/* =========================================
   COSMO GLOBAL - Complete Stylesheet
   ========================================= */

/* 1. Variables */
:root {
    --color-primary: #003366;
    --color-secondary: #004d99;
    --color-accent: #007bff;
    --color-text: #333333;
    --color-white: #ffffff;
    --color-bg: #f4f6f8;
    --font-main: 'Noto Sans JP', sans-serif;
    --font-en: 'Montserrat', sans-serif;
    --radius: 3px;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 2. Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background: var(--color-bg);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 3. Container & Section */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
    background: white;
}

.bg-light {
    background: #f8f9fa !important;
}

/* 4. Buttons - WHITE TEXT ON BLUE */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--color-secondary);
    color: #ffffff !important;
    /* WHITE TEXT */
    font-weight: 700;
    border-radius: var(--radius);
    border: 2px solid var(--color-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background: transparent;
    color: var(--color-secondary) !important;
}

.btn-outline {
    background: transparent;
    color: var(--color-secondary) !important;
    border: 2px solid var(--color-secondary);
}

.btn-outline:hover {
    background: var(--color-secondary);
    color: #ffffff !important;
}

/* White outline for dark backgrounds (e.g. header, CTA) */
.btn-outline-white {
    background: transparent;
    color: #ffffff !important;
    border: 2px solid #ffffff;
}

.btn-outline-white:hover {
    background: #ffffff;
    color: var(--color-primary) !important;
}

.btn-white {
    background: white;
    color: var(--color-primary) !important;
    border: 2px solid white;
}

.btn-white:hover {
    background: transparent;
    color: white !important;
}

/* 5. Header */
header {
    background: var(--color-primary);
    color: white;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 28px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-en);
    flex: 0 0 auto;
}

.logo span {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link.active {
    color: white;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    margin-left: auto;
    /* Push to right edge */
}

/* 6. Hero Slider - WHITE TEXT */
.hero-slider {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.slider-container {
    height: 100%;
    width: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    /* Dark overlay for text visibility */
    z-index: 1;
}

.slide .hero-content {
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

/* HERO TEXT - FORCE WHITE */
.hero-title {
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
    letter-spacing: 0.05em;
    color: #ffffff !important;
    /* FORCE WHITE */
}

.hero-subtitle {
    font-family: var(--font-en);
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    color: #ffffff !important;
    /* FORCE WHITE */
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    color: white;
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background: white;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* 7. Layout - Side by Side */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-md-6 {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
}

/* Spacing handled via padding on columns */

.align-items-center {
    align-items: center;
}

/* Flex Direction - Default is Column (Mobile First) */
.flex-md-row {
    flex-direction: column;
}

.flex-md-row-reverse {
    flex-direction: column;
}

/* Desktop: Side by Side Layout */
@media (min-width: 769px) {
    .flex-md-row {
        flex-direction: row !important;
    }

    .flex-md-row-reverse {
        flex-direction: row-reverse !important;
    }

    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
        padding: 0 30px;
    }

    .gap-lg .col-md-6 {
        padding: 0 30px;
    }
}

/* Section Typography */
.section-subtitle {
    color: var(--color-secondary);
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
    font-family: var(--font-en);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.section-lead {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
}

.section-text {
    line-height: 1.8;
    color: #555;
    margin-bottom: 1.5rem;
}

/* Decorators */
.image-wrapper {
    position: relative;
}

.decorator-box {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 100px;
    height: 100px;
    background: var(--color-secondary);
    z-index: -1;
    border-radius: var(--radius);
}

.decorator-primary {
    background: var(--color-primary);
    top: auto;
    bottom: -15px;
    right: auto;
    left: -15px;
}

.decorator-accent {
    background: var(--color-accent);
    top: -15px;
    left: -15px;
    right: auto;
}

/* Utilities */
.rounded-img {
    border-radius: var(--radius);
}

.shadow-lg {
    box-shadow: var(--shadow);
}

.w-100 {
    width: 100%;
}

.text-center {
    text-align: center;
}

.text-white {
    color: white !important;
}

.text-white-op80 {
    color: rgba(255, 255, 255, 0.8) !important;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

/* 8. Product Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card-grid.card-grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.product-card {
    display: block;
    text-decoration: none;
    color: inherit;
}

.card-img-placeholder {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: #555;
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.card-content p {
    font-size: 0.9rem;
    color: #666;
}

/* 9. CTA Section - Modern Compact Design */
.cta-section {
    padding: 40px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
}

.cta-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

@media (min-width: 769px) {
    .cta-section .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 40px;
    }
}

.cta-content {
    text-align: center;
}

@media (min-width: 769px) {
    .cta-content {
        text-align: left;
        flex: 1;
    }
}

.cta-title {
    font-size: 1.5rem;
    margin-bottom: 8px;
    font-weight: 700;
    color: white;
}

.cta-text {
    font-size: 0.95rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

@media (min-width: 769px) {
    .cta-actions {
        flex-direction: row;
        gap: 30px;
    }
}

.cta-contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
}

@media (min-width: 769px) {
    .cta-contact-info {
        align-items: flex-start;
        border-left: 1px solid rgba(255, 255, 255, 0.3);
        padding-left: 25px;
    }
}

.cta-contact-info p {
    margin: 0 0 3px 0;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

.cta-phone {
    font-size: 1.3rem;
    font-family: var(--font-en);
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.cta-phone:hover {
    text-decoration: underline;
}

.cta-hours {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* 10. Page Header */
.page-header {
    background-color: var(--color-primary);
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 51, 102, 0.7);
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: white !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-header p {
    font-family: var(--font-en);
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.9);
}

.breadcrumb {
    background: #fff;
    border-bottom: 1px solid #e3e8ef;
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 14px 0;
    color: #667085;
    font-size: .9rem;
}

.breadcrumb li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}

.breadcrumb li:not(:last-child)::after {
    content: ">";
    color: #9aa6b2;
    font-size: .8rem;
}

.breadcrumb a {
    color: var(--color-secondary);
    font-weight: 700;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* 11. Footer */
footer {
    background: #001a33;
    color: white;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-en);
    display: block;
    margin-bottom: 15px;
}

.footer-logo-text {
    color: #ffffff;
    font-family: var(--font-main);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.35;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-nav a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

/* 12. Forms - Reduced Spacing */
.form-group {
    margin-bottom: 15px;
}

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 700;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font-main);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* 13. Clean CSS Classes (Replacing Inline Styles) */
.brand-sub {
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
}

.news-ticker {
    margin-top: -30px;
    position: relative;
    z-index: 10;
    background: white;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-radius: var(--radius);
}

/* 14. Responsive - Mobile Only */
@media (max-width: 768px) {
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .card-grid.card-grid-4 {
        grid-template-columns: 1fr;
    }

    .mission-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .menu-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        flex-direction: column;
        background: var(--color-primary);
        width: 80%;
        max-width: 300px;
        height: 100vh;
        text-align: center;
        padding-top: 80px;
        transition: 0.3s ease-in-out;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.2);
        z-index: 1000;
    }

    .nav-menu.active {
        right: 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .gap-lg {
        gap: 30px;
    }
}

/* 15. New Utilities for Refactoring */
.news-ticker-container {
    margin-top: -30px;
    position: relative;
    z-index: 10;
    background: white;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-radius: var(--radius);
}

.news-ticker-inner {
    display: flex;
    align-items: center;
    gap: 20px;
}

.news-label {
    background: var(--color-primary);
    color: white;
    padding: 4px 10px;
    font-size: 0.8rem;
    border-radius: 2px;
}

.news-date {
    color: #888;
    margin-right: 10px;
}

.news-list {
    font-size: 0.9rem;
    margin: 0;
    padding: 0;
}

/* News Ticker Scroll Animation */
.news-ticker-scroll {
    flex: 1;
    overflow: hidden;
    position: relative;
    height: 1.5em;
}

.news-ticker-items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.news-ticker-item {
    display: none;
    font-size: 0.9rem;
    animation: fadeInUp 0.4s ease;
}

.news-ticker-item.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-color: #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border-color: #f5c6cb;
}

.text-danger {
    color: #dc3545 !important;
}

.validation-error {
    color: #dc3545;
    font-size: 0.85rem;
    display: none;
    margin-top: 5px;
}

/* Contact Flow Steps */
.contact-steps {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    gap: 10px;
}

.step-item {
    background: #e9ecef;
    color: #6c757d;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    position: relative;
}

.step-item.active {
    background: var(--color-primary);
    color: white;
}

.privacy-box {
    height: 150px;
    overflow-y: scroll;
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    background: #f9f9f9;
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-question {
    display: inline-flex;
    align-items: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 4px;
    background: #eef3f8;
    color: var(--color-primary);
    font-weight: 700;
    white-space: nowrap;
}

.captcha-input {
    max-width: 160px;
}

.confirm-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

.confirm-table th,
.confirm-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

.confirm-table th {
    width: 30%;
    background: #f8f9fa;
    font-weight: 700;
    color: var(--color-primary);
}

/* Form Layout Improvements */
.form-section {
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.form-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row>.form-group {
    flex: 1;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .form-section {
        padding: 25px 20px;
    }

    .captcha-row {
        align-items: stretch;
        flex-direction: column;
    }

    .captcha-input {
        max-width: none;
    }
}

/* News Page Styles */
.news-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.news-list-item {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

.news-list-item:last-child {
    border-bottom: none;
}

.news-list-item a {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s;
}

.news-list-item a:hover {
    opacity: 0.7;
}

.news-list-date {
    color: #888;
    font-size: 0.9rem;
    white-space: nowrap;
}

.news-list-title {
    font-weight: 500;
}

.news-detail-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.news-detail-date {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.news-detail-title {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.4;
}

.news-detail-content {
    line-height: 2;
    font-size: 1rem;
}

.news-detail-content p {
    margin-bottom: 1.5rem;
}

.back-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-width: 220px;
    margin: 40px auto 0;
    padding: 12px 28px;
    border: 2px solid var(--color-primary);
    border-radius: 4px;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
}

.back-link:hover {
    background: #fff;
    color: var(--color-primary);
}

/* Recruit Page */
.page-header-recruit {
    background-image: url('../images/recruit_jp.png');
}

.job-box {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.job-title {
    border-bottom: 2px solid var(--color-secondary);
    padding-bottom: 10px;
    display: inline-block;
}

.job-dl {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.job-dt {
    font-weight: bold;
}

.spacer-40 {
    height: 40px;
}

@media (max-width: 768px) {
    .job-dl {
        grid-template-columns: 1fr;
        gap: 5px;
    }
}

/* 16. Additional Utilities for Clean HTML */
.nav-btn-contact {
    padding: 0.5rem 1.5rem;
    border-width: 1px;
}

.content-narrow {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-content {
    line-height: 2;
}

.privacy-content h2 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 28px;
}

.privacy-content h3 {
    color: var(--color-primary);
    font-size: 1.22rem;
    margin-top: 46px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid #dfe5ec;
}

.privacy-content p {
    margin-bottom: 0;
}

.line-height-loose {
    line-height: 2;
}

.bg-alt {
    background-color: #f8f9fa;
}

.flex-center-gap {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-back {
    border-color: #ccc;
    color: #555 !important;
}

.alert-success h3 {
    margin-top: 0;
    font-size: 1.5rem;
}

.btn-lg {
    min-width: 250px;
    padding: 15px 30px;
    font-size: 1.1rem;
}

.map-placeholder {
    background: #ddd;
    height: 300px;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    border-radius: 8px;
}

.footer-address {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.privacy-link {
    text-decoration: underline;
    color: var(--color-primary);
}

.entry-btn-wrapper {
    margin-top: 30px;
}

.error-list {
    margin: 0;
    padding-left: 20px;
}

.privacy-label {
    cursor: pointer;
}

/* COSMO GLOBAL renewal */
.site-logo-img {
    display: inline-block;
    width: auto;
    height: 30px;
    vertical-align: middle;
}

.logo .site-logo-img {
    height: 48px;
    padding: 0;
    background: transparent;
    border-radius: 0;
}

.footer-logo .site-logo-img {
    height: 50px;
    padding: 0;
    background: transparent;
    border-radius: 0;
}

.left-sidebar .site-logo-img {
    padding: 0;
    background: transparent;
    border-radius: 0;
}

.logo,
.sidebar-logo,
.footer-logo {
    display: inline-flex;
    align-items: center;
}

/* Top page logo comparison proposals */
.logo-proposal-a .left-sidebar {
    background: var(--color-primary);
    color: #ffffff;
}

.logo-proposal-a footer {
    background: #001a33;
    color: #ffffff;
}

.logo-proposal-a header,
.logo-proposal-a .nav-menu {
    background: var(--color-primary);
    color: #ffffff;
}

.logo-proposal-a .logo {
    padding: 0;
    background: transparent;
}

.logo-proposal-a .left-sidebar .sidebar-logo {
    width: calc(100% + 50px);
    min-height: 170px;
    margin: -30px -25px 34px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.logo-proposal-a .left-sidebar .site-logo-img,
.logo-proposal-a .logo .site-logo-img {
    filter: drop-shadow(0 8px 18px rgba(0, 40, 80, 0.16));
}

.logo-proposal-a .left-sidebar .site-logo-img {
    width: 220px;
    max-width: 100%;
    height: auto;
}

.logo-proposal-a .left-sidebar .sidebar-nav a {
    color: rgba(255, 255, 255, 0.88);
}

.logo-proposal-a .nav-link,
.logo-proposal-a .menu-toggle {
    color: rgba(255, 255, 255, 0.9);
}

.logo-proposal-a .left-sidebar .sidebar-nav a:hover,
.logo-proposal-a .left-sidebar .sidebar-nav a.active,
.logo-proposal-a .nav-link:hover,
.logo-proposal-a .nav-link.active {
    background: transparent;
    color: #ffffff;
}

.logo-proposal-a .left-sidebar .sidebar-contact .btn-sidebar {
    background: #ffffff;
    color: var(--color-primary) !important;
    border-color: #ffffff;
}

.logo-proposal-a .left-sidebar .sidebar-contact .btn-sidebar:hover {
    background: transparent;
    color: #ffffff !important;
}

.logo-proposal-a .footer-nav a,
.logo-proposal-a .footer-address,
.logo-proposal-a .copyright {
    color: rgba(255, 255, 255, 0.8);
}

.logo-proposal-a .footer-nav a:hover {
    color: #ffffff;
}

.logo-proposal-b .left-sidebar .sidebar-logo,
.logo-proposal-b .logo {
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
}

.logo-proposal-b .left-sidebar .sidebar-logo {
    margin-top: 50px;
    margin-bottom: 100px;
}

.logo-proposal-b .left-sidebar .site-logo-img {
    width: 220px;
    max-width: 100%;
    height: auto;
}

@media (max-width: 1200px) {
    .logo-proposal-a header {
        padding: 0;
    }

    .logo-proposal-a .header-container {
        max-width: none;
        padding-left: 0;
        align-items: center;
    }

    .logo-proposal-a header nav {
        display: flex;
        align-items: center;
    }

    .logo-proposal-a .logo {
        padding: 15px 20px;
        background: #ffffff;
        border-radius: 0;
    }

    .logo-proposal-a .logo .site-logo-img,
    .logo-proposal-b .logo .site-logo-img {
        height: 38px;
    }
}

@media (max-width: 768px) {
    .logo-proposal-a .nav-menu,
    .logo-proposal-b .nav-menu {
        padding-top: 70px;
        gap: 18px;
        justify-content: flex-start;
    }

    .logo-proposal-a .nav-link.active,
    .logo-proposal-b .nav-link.active {
        background: transparent;
    }
}

.page-lead {
    max-width: 760px;
    margin: 0 auto 48px;
    font-size: 1.08rem;
    line-height: 2;
}

.cosmo-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.08);
    padding: 42px;
}

.profile-list {
    display: grid;
    gap: 14px;
}

.profile-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 24px;
    border-bottom: 1px solid #edf0f4;
    padding-bottom: 14px;
}

.profile-row dt {
    font-weight: 700;
    color: var(--color-primary);
}

.message-text p {
    margin-bottom: 1.2rem;
    line-height: 2;
}

.message-text .signature {
    margin-top: 2rem;
    text-align: right;
    font-weight: 700;
    color: var(--color-primary);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.mission-grid h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.dummy-image {
    min-height: 220px;
    border-radius: 8px;
    background: linear-gradient(135deg, #d8dde3, #aeb7c2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--font-en);
    font-weight: 700;
    letter-spacing: .08em;
}

.content-image {
    width: 100%;
    min-height: 220px;
    height: 220px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: var(--shadow);
}

.content-image.company-home {
    height: 270px;
}

.content-image.company-profile {
    height: 420px;
}

.product-image-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.product-image-grid img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.product-card-spaced {
    margin-top: 72px;
}

.business-list {
    display: grid;
    gap: 28px;
    max-width: 900px;
    margin: 0 auto;
}

.business-item {
    display: grid;
    grid-template-columns: 220px 1fr auto;
    gap: 32px;
    align-items: center;
    padding: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.business-item-img {
    width: 220px;
    height: 160px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: var(--shadow);
}

.business-item h2 {
    color: var(--color-primary);
    margin-bottom: 10px;
}

.business-products {
    margin-top: 0.8rem;
    color: var(--color-secondary);
    font-weight: 700;
    line-height: 1.7;
}

.business-text-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.business-text-list li {
    margin-bottom: 6px;
}

.business-text-list li::before {
    content: "・";
}

.black-btn {
    background: #000;
    border-color: #000;
}

.black-btn:hover {
    color: #000 !important;
}

@media (min-width: 769px) {
    .business-item>.btn {
        width: 192px;
        padding-right: 1rem;
        padding-left: 1rem;
        text-align: center;
        white-space: nowrap;
    }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-box {
    background: #f8f9fa;
    border-left: 4px solid var(--color-secondary);
    padding: 24px;
    border-radius: 6px;
}

.feature-box h3 {
    color: var(--color-primary);
    margin-bottom: 8px;
}

.mail-hero {
    background:
        linear-gradient(135deg, rgba(16, 36, 95, .88) 0%, rgba(41, 72, 167, .82) 56%, rgba(18, 34, 97, .88) 100%),
        url('../img/subimage03.jpg') center/cover no-repeat;
    color: #fff;
    padding: 90px 0;
    text-align: center;
}

.mail-hero h2 {
    color: #fff;
    font-size: 4rem;
    line-height: 1.1;
    margin: 20px 0;
    text-shadow: 5px 5px 0 rgba(255, 40, 72, .9);
}

.mail-hero p {
    max-width: 760px;
    margin: 0 auto;
    font-weight: 700;
    line-height: 2;
}

.mail-icons {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    max-width: 980px;
    margin: 42px auto;
    padding: 28px;
    background: #fff;
    color: var(--color-primary);
    border: 6px solid #24324a;
    border-radius: 6px;
}

.mail-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 145px;
    padding: 16px 10px;
    border-radius: 6px;
    background: #eef3ff;
    border: 1px solid #c7d5f4;
    font-weight: 700;
    font-size: .92rem;
    line-height: 1.45;
    white-space: nowrap;
}

.mail-icon-symbol {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: #fff;
    font-size: 1.65rem;
    margin-bottom: 12px;
    line-height: 1;
}

.mail-catch-block {
    max-width: 860px;
    margin: 44px auto 0;
    padding: 38px 42px;
    background: rgba(255, 255, 255, .94);
    border-radius: 8px;
    color: var(--color-primary);
    box-shadow: 0 16px 36px rgba(0, 0, 0, .18);
}

.mail-catch-block .mail-subcatch {
    color: #e6002d;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.mail-catch-block h3 {
    color: var(--color-primary);
    font-size: 2.6rem;
    line-height: 1.25;
    margin-bottom: 18px;
}

.mail-catch-block .mail-description {
    color: #333;
    font-weight: 500;
    line-height: 2;
}

.mail-dummy-visual {
    min-height: 260px;
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, .18), rgba(255, 255, 255, 0)),
        linear-gradient(135deg, #d7dce4 0%, #b6bfcc 100%);
    border: 1px solid #c6ced9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--font-en);
    font-weight: 700;
    letter-spacing: .08em;
    text-align: center;
    box-shadow: var(--shadow);
}

.mail-dummy-visual.wide {
    min-height: 340px;
}

.mail-dummy-visual.dark {
    background:
        linear-gradient(135deg, rgba(32, 60, 122, .92), rgba(7, 20, 52, .92)),
        linear-gradient(135deg, #cbd2dc 0%, #aeb8c6 100%);
}

.mail-visual-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    align-items: center;
    margin-top: 36px;
}

.mail-about-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
}

.mail-flow-card {
    background: #fff;
    border-radius: 8px;
    padding: 34px;
    box-shadow: var(--shadow);
    margin-top: 34px;
}

.recommend-box {
    border: 6px solid #354aa8;
    background: #fff;
    padding: 46px 42px;
    border-radius: 4px;
}

.recommend-box h2 {
    color: #354aa8;
    margin-bottom: 18px;
    text-align: center;
    font-size: 2.3rem;
    font-weight: 700;
}

.recommend-box>p {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 36px;
}

.recommend-list li {
    margin-bottom: 22px;
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 2.1;
}

.recommend-list li::before {
    content: "□";
    margin-right: 10px;
    color: #333;
}

.recommend-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 58px;
    align-items: center;
    margin-top: 36px;
}

.recommend-layout .recommend-list {
    display: block;
    margin-top: 0;
}

.recommend-image {
    width: 100%;
    max-width: 320px;
    justify-self: center;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.recommend-box .recommend-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
}

.recommend-box .recommend-image {
    max-width: 320px;
}

.recommend-box .recommend-list li {
    font-size: 1.2rem;
    line-height: 2.1;
    margin-bottom: 22px;
}

.red-text {
    color: #e6002d;
}

.function-list {
    display: grid;
    gap: 28px;
}

.function-item {
    display: grid;
    grid-template-columns: 86px 1fr 260px;
    gap: 18px;
    align-items: center;
    background: #fff;
    padding: 28px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.function-number {
    display: grid;
    place-items: center;
    width: 86px;
    height: 86px;
    background: #ff3048;
    color: #fff;
    font-family: var(--font-en);
    font-size: 3rem;
    font-weight: 700;
}

.function-visual {
    min-height: 150px;
    box-shadow: none;
}

.function-thumb {
    width: 100%;
    height: 150px;
    object-fit: contain;
    border-radius: 8px;
    background: #fff;
    box-shadow: none;
}

.diagnosis-figure {
    width: 100%;
    border-radius: 8px;
}

/* Mail Inspector Platform */
.mip-page {
    --mip-navy: #071b43;
    --mip-blue: #2149bd;
    --mip-sky: #58c8ed;
    color: var(--mip-navy);
}

.mip-page .container {
    max-width: 1080px;
    padding-right: 32px;
    padding-left: 32px;
}

.mail-page-header .page-title {
    font-size: clamp(2rem, 2.6vw, 2.8rem);
    white-space: nowrap;
}

.mip-hero {
    padding: 88px 0 96px;
    background: #fff;
}

.mip-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(390px, .64fr);
    gap: 48px;
    align-items: center;
}

.mip-main-logo {
    display: block;
    width: min(390px, 76%);
    height: auto;
    margin-bottom: 44px;
}

.mip-eyebrow,
.mip-section-heading>span {
    color: #3277ee;
    font-family: var(--font-en);
    font-weight: 700;
    letter-spacing: .06em;
}

.mip-hero h2 {
    margin: 16px 0 28px;
    color: var(--mip-navy);
    font-size: clamp(2.15rem, 3vw, 3rem);
    line-height: 1.28;
    letter-spacing: -.025em;
}

.mip-hero h2 em {
    display: inline-block;
    color: var(--mip-blue);
    font-size: .8em;
    font-style: normal;
    white-space: nowrap;
}

.mip-lead {
    color: #52617b;
    font-size: 1.05rem;
    line-height: 2;
}

.mip-threat-panel {
    padding: 42px 34px 32px;
    color: #fff;
    background: linear-gradient(145deg, #071b43, #244bc4);
    box-shadow: 0 26px 60px rgba(7, 27, 67, .22);
}

.mip-threat-panel h3 {
    color: #fff;
    font-size: 1.08rem;
    line-height: 1.45;
    margin-bottom: 26px;
    white-space: nowrap;
}

.mip-threat-panel ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.mip-threat-panel li {
    min-height: 70px;
    padding: 14px 10px;
    border-left: 3px solid #57a6ff;
    background: rgba(255, 255, 255, .07);
    font-size: .82rem;
    font-weight: 700;
    white-space: nowrap;
}

.mip-threat-panel li:last-child {
    grid-column: 1 / -1;
}

.mip-threat-panel li span,
.mip-threat-modules span {
    display: block;
    margin-bottom: 4px;
    color: #91c3ff;
    font-family: var(--font-en);
    font-size: .68rem;
    font-weight: 700;
}

.mip-threat-modules {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, .18);
}

.mip-threat-modules strong,
.mip-threat-modules p {
    display: block;
}

.mip-threat-modules strong {
    font-size: .78rem;
    white-space: nowrap;
}

.mip-threat-modules p {
    margin-top: 8px;
    color: #c7d7f2;
    font-size: .82rem;
    line-height: 1.65;
}

.mip-section-heading {
    max-width: none;
    margin-bottom: 52px;
}

.mip-section-heading h2 {
    margin: 10px 0 14px;
    color: var(--mip-navy);
    font-size: clamp(1.75rem, 2.25vw, 2.35rem);
    line-height: 1.35;
    white-space: nowrap;
}

.mip-section-heading p {
    color: #52617b;
    line-height: 1.9;
}

.mip-module-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.mip-module-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 34px;
    background: #fff;
    box-shadow: 0 16px 42px rgba(7, 27, 67, .08);
}

.mip-module-card img {
    width: 100%;
    max-width: 270px;
    height: 86px;
    margin-bottom: 24px;
    object-fit: contain;
    object-position: left center;
}

.mip-module-card h3 {
    min-height: 3.3em;
    margin-bottom: 16px;
    color: var(--mip-navy);
    font-size: 1.5rem;
    line-height: 1.4;
}

.mip-module-card>p {
    min-height: 5.8em;
    padding-bottom: 22px;
    color: #52617b;
    line-height: 1.8;
    border-bottom: 1px solid #dce3ef;
}

.mip-module-card ul,
.mip-standard-grid ul {
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.mip-module-card li,
.mip-standard-grid li {
    position: relative;
    padding-left: 1em;
    margin-bottom: 8px;
    color: #34445f;
    font-size: .9rem;
    line-height: 1.7;
}

.mip-module-card li::before,
.mip-standard-grid li::before {
    content: "・";
    position: absolute;
    left: 0;
    color: var(--mip-blue);
}

.mip-steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.mip-steps::before {
    content: "";
    position: absolute;
    top: 20px;
    left: 3%;
    right: 3%;
    height: 2px;
    background: linear-gradient(90deg, #2149bd, #63a8ff);
}

.mip-steps li {
    position: relative;
    padding-top: 66px;
}

.mip-steps li>span {
    position: absolute;
    z-index: 1;
    top: 0;
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: #fff;
    background: var(--mip-blue);
    border-radius: 50%;
    font-family: var(--font-en);
    font-size: .8rem;
    font-weight: 700;
}

.mip-steps small {
    color: #3277ee;
    font-family: var(--font-en);
    font-weight: 700;
}

.mip-steps h3 {
    margin: 10px 0;
    color: var(--mip-navy);
}

.mip-steps p {
    color: #65728a;
    font-size: .92rem;
    line-height: 1.8;
}

.mip-deployment-notes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    margin-top: 56px;
}

.mip-deployment-notes>div {
    padding: 34px;
    border-left: 5px solid #4f9cff;
    background: #f1f4fa;
}

.mip-deployment-notes>div:first-child {
    color: #fff;
    background: var(--mip-navy);
}

.mip-deployment-notes strong {
    display: block;
    font-size: 1.45rem;
    line-height: 1.45;
}

.mip-deployment-notes p {
    margin-top: 10px;
    color: inherit;
    opacity: .8;
}

.mip-standard-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 28px;
}

.mip-standard-grid article {
    padding: 42px;
    background: #fff;
}

.mip-standard-grid article>h3 {
    color: var(--mip-navy);
    font-size: 1.6rem;
}

.mip-standard-grid article>p {
    margin-top: 22px;
    color: #52617b;
    line-height: 2;
}

.mip-standard-highlight {
    color: #fff;
    background: linear-gradient(145deg, #071b43, #244bc4) !important;
}

.mip-standard-highlight>span {
    display: block;
    color: #fff;
    font-family: var(--font-en);
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 700;
}

.mip-standard-highlight>h3,
.mip-standard-highlight>p {
    color: #fff !important;
}

.mip-closing {
    color: #fff;
    background: linear-gradient(120deg, #071b43 0%, #173b93 100%);
}

.mip-closing .container {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 64px;
    align-items: center;
    padding-top: 72px;
    padding-bottom: 72px;
}

.mip-closing h2 {
    color: #fff;
    font-size: clamp(1.9rem, 2.4vw, 2.4rem);
    line-height: 1.35;
}

.mip-closing p {
    margin: 24px 0 32px;
    color: #d6e2f6;
    line-height: 1.9;
}

.mip-closing img {
    width: 100%;
    padding: 34px;
    background: #fff;
}

@media (max-width: 960px) {
    .mip-hero-grid,
    .mip-standard-grid,
    .mip-closing .container {
        grid-template-columns: 1fr;
    }

    .mip-module-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mip-module-card:last-child {
        grid-column: 1 / -1;
    }

    .mip-module-card h3,
    .mip-module-card>p {
        min-height: 0;
    }

    .mip-section-heading h2,
    .mip-threat-panel h3 {
        white-space: normal;
    }
}

@media (max-width: 768px) {
    .mip-page .container {
        padding-right: 24px;
        padding-left: 24px;
    }

    .mail-page-header .page-title {
        font-size: clamp(1.45rem, 7vw, 2rem);
        white-space: normal;
    }

    .mip-hero {
        padding: 56px 0 64px;
    }

    .mip-hero-grid {
        gap: 42px;
    }

    .mip-main-logo {
        width: min(420px, 100%);
        margin-bottom: 38px;
    }

    .mip-hero h2 {
        font-size: clamp(1.85rem, 8vw, 2.5rem);
    }

    .mip-hero h2 em {
        font-size: 1em;
        white-space: normal;
    }

    .mip-threat-panel,
    .mip-module-card,
    .mip-standard-grid article {
        padding: 28px 22px;
    }

    .mip-threat-panel ol,
    .mip-module-grid,
    .mip-steps,
    .mip-deployment-notes {
        grid-template-columns: 1fr;
    }

    .mip-threat-panel li:last-child,
    .mip-module-card:last-child {
        grid-column: auto;
    }

    .mip-section-heading {
        margin-bottom: 36px;
    }

    .mip-steps {
        gap: 26px;
    }

    .mip-steps::before {
        top: 0;
        bottom: 0;
        left: 20px;
        right: auto;
        width: 2px;
        height: auto;
    }

    .mip-steps li {
        min-height: 92px;
        padding: 4px 0 0 66px;
    }

    .mip-steps li>span {
        left: 0;
    }

    .mip-deployment-notes {
        margin-top: 42px;
    }

    .mip-closing .container {
        gap: 40px;
        padding-top: 56px;
        padding-bottom: 56px;
    }
}

/* Business detail pages */
.material-intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: 72px;
    align-items: center;
}

.material-intro-grid .section-text {
    margin: 22px 0 30px;
    line-height: 2;
}

.material-hero-circle {
    width: 420px;
    aspect-ratio: 1;
    overflow: hidden;
    border: 12px solid #fff;
    border-radius: 50%;
    box-shadow: 0 18px 46px rgba(0, 51, 102, .16);
}

.material-hero-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.material-lead,
.mail-service-lead {
    max-width: 760px;
    margin-right: auto;
    margin-left: auto;
}

.material-circle-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 54px 42px;
    max-width: 980px;
    margin: 0 auto;
}

.material-circle-grid-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    max-width: 1100px;
    gap: 36px 24px;
}

.material-circle-grid article {
    min-width: 0;
    text-align: center;
}

.material-circle {
    width: min(100%, 230px);
    aspect-ratio: 1;
    margin: 0 auto 20px;
    overflow: hidden;
    border: 8px solid #fff;
    border-radius: 50%;
    box-shadow: 0 12px 34px rgba(0, 51, 102, .15);
}

.material-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.material-circle.material-pos-left img {
    object-position: 20% center;
}

.material-circle.material-pos-right img {
    object-position: 80% center;
}

.material-circle-grid h3 {
    color: var(--color-primary);
    font-size: 1.15rem;
    line-height: 1.55;
}

.material-circle-grid p {
    margin-top: 5px;
    color: #68758a;
    font-size: .88rem;
}

.material-strength-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.material-strength-grid article>span {
    display: block;
    margin-bottom: 18px;
    color: var(--color-accent);
    font-family: var(--font-en);
    font-weight: 700;
}

.material-strength-grid h3 {
    margin-bottom: 12px;
    color: var(--color-primary);
}

.chemical-feature {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
    gap: 64px;
    align-items: center;
}

.chemical-feature-copy>p,
.chemical-secondary p {
    margin-top: 18px;
    line-height: 2;
}

.chemical-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin-top: 30px;
    overflow: hidden;
    background: #dfe6ef;
    border: 1px solid #dfe6ef;
}

.chemical-facts>div {
    display: flex;
    flex-direction: column;
    gap: 7px;
    padding: 20px;
    background: #fff;
}

.chemical-facts strong {
    color: var(--color-primary);
}

.chemical-facts span {
    color: #5e6a7e;
    font-size: .92rem;
}

.chemical-feature-images {
    position: relative;
    min-height: 450px;
}

.chemical-feature-images img {
    position: absolute;
    width: 310px;
    aspect-ratio: 1;
    object-fit: cover;
    border: 10px solid #fff;
    border-radius: 50%;
    box-shadow: var(--shadow);
}

.chemical-feature-images img:first-child {
    top: 0;
    left: 0;
}

.chemical-feature-images img:last-child {
    right: 0;
    bottom: 0;
    width: 220px;
}

.chemical-secondary {
    display: grid;
    grid-template-columns: minmax(320px, .8fr) minmax(0, 1.2fr);
    gap: 64px;
    align-items: center;
    margin-top: 100px;
    padding-top: 80px;
    border-top: 1px solid #dfe6ef;
}

.chemical-secondary>div:first-child {
    width: 340px;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 50%;
    box-shadow: var(--shadow);
}

.chemical-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chemical-secondary .btn {
    margin-top: 26px;
}

.chemical-product-row {
    margin-top: 100px;
    padding-top: 80px;
    border-top: 1px solid #dfe6ef;
}

.chemical-product-name-en {
    margin-top: -10px !important;
    color: var(--color-primary);
    font-family: var(--font-en);
    font-size: 1rem;
    font-weight: 700;
}

.chemical-products-contact {
    margin-top: 90px;
    padding-top: 54px;
    border-top: 1px solid #dfe6ef;
    text-align: center;
}

.chemical-products-contact p {
    margin-bottom: 22px;
    color: var(--color-primary);
    font-size: 1.08rem;
    font-weight: 700;
}

/* Mail Inspector - site-aligned service page */
.mail-service-intro-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 64px;
    align-items: center;
}

.mail-service-feature {
    display: block;
}

.mail-service-feature-copy {
    max-width: 900px;
}

.mail-service-logo {
    width: min(440px, 85%);
    margin-bottom: 34px;
}

.mail-service-intro-grid .section-text {
    margin: 20px 0 30px;
    line-height: 2;
}

.mail-service-visual,
.mail-service-feature-image {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.mail-service-visual img {
    width: 100%;
    min-height: 420px;
    object-fit: cover;
}

.mail-risk-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin: 0;
    border-top: 2px solid var(--color-primary);
    border-bottom: 1px solid #ccd6e4;
}

.mail-risk-list>div {
    padding: 26px 20px;
    border-right: 1px solid #ccd6e4;
}

.mail-risk-list>div:last-child {
    border-right: 0;
}

.mail-risk-list dt {
    margin-bottom: 10px;
    color: var(--color-secondary);
    font-family: var(--font-en);
    font-size: .78rem;
    font-weight: 700;
}

.mail-risk-list dd {
    color: var(--color-primary);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.55;
}

.mail-module-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.mail-module-cards article {
    display: flex;
    flex-direction: column;
}

.mail-module-cards img {
    width: 100%;
    max-width: 240px;
    height: 82px;
    margin-bottom: 24px;
    object-fit: contain;
    object-position: left center;
}

.mail-module-cards h3 {
    margin-bottom: 12px;
    color: var(--color-primary);
    font-size: 1.25rem;
}

.mail-module-cards p {
    line-height: 1.9;
}

.mail-module-list {
    display: grid;
    flex-grow: 1;
    gap: 9px;
    margin-top: 20px;
}

.mail-module-list li {
    padding: 9px 0 9px 14px;
    border-left: 3px solid #d7e8f5;
    color: #617087;
    font-size: .88rem;
    line-height: 1.6;
}

.mail-module-cards a {
    display: inline-block;
    margin-top: 24px;
    color: var(--color-secondary);
    font-weight: 700;
}

.mail-service-feature-image img {
    display: block;
    width: 100%;
    height: auto;
    min-height: 0;
    object-fit: contain;
}

.mail-service-feature-copy>p {
    margin-top: 18px;
    line-height: 2;
}

.mail-service-feature-image {
    width: 100%;
    margin-top: 42px;
    background: #fff;
}

.mail-benefit-list {
    margin-top: 30px;
    border-top: 1px solid #ccd6e4;
}

.mail-benefit-list li {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 20px;
    padding: 17px 0;
    border-bottom: 1px solid #ccd6e4;
}

.mail-benefit-list strong {
    color: var(--color-primary);
}

.mail-benefit-list span {
    color: #617087;
}

.mail-standard-note {
    display: grid;
    grid-template-columns: minmax(280px, .75fr) minmax(0, 1.25fr);
    gap: 52px;
    align-items: center;
    padding: 42px 46px;
    border-left: 5px solid var(--color-accent);
    background: #eef4fb;
}

.mail-standard-note h2 {
    margin-top: 7px;
    color: var(--color-primary);
    font-size: 1.7rem;
}

.mail-standard-note p {
    line-height: 2;
}

@media (max-width: 960px) {
    .material-intro-grid,
    .chemical-feature,
    .chemical-secondary,
    .mail-service-intro-grid,
    .mail-service-feature,
    .mail-standard-note {
        grid-template-columns: 1fr;
    }

    .material-hero-circle {
        width: min(420px, 80vw);
        margin: 0 auto;
    }

    .material-circle-grid-5 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .mail-risk-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mail-risk-list>div:nth-child(2n) {
        border-right: 0;
    }
}

@media (max-width: 768px) {
    .material-intro-grid,
    .chemical-feature,
    .chemical-secondary,
    .mail-service-intro-grid,
    .mail-service-feature {
        gap: 38px;
    }

    .material-circle-grid,
    .material-circle-grid-5,
    .material-strength-grid,
    .mail-module-cards,
    .mail-risk-list {
        grid-template-columns: 1fr;
    }

    .material-circle {
        width: min(230px, 70vw);
    }

    .chemical-facts {
        grid-template-columns: 1fr;
    }

    .chemical-feature-images {
        min-height: 390px;
    }

    .chemical-feature-images img {
        width: min(280px, 72vw);
    }

    .chemical-feature-images img:last-child {
        width: min(190px, 50vw);
    }

    .chemical-secondary {
        margin-top: 72px;
        padding-top: 60px;
    }

    .chemical-product-row {
        margin-top: 72px;
        padding-top: 60px;
    }

    .chemical-products-contact {
        margin-top: 72px;
        padding-top: 46px;
    }

    .chemical-secondary>div:first-child {
        width: min(320px, 80vw);
        margin: 0 auto;
    }

    .mail-service-logo {
        width: 100%;
    }

    .mail-service-visual img,
    .mail-service-feature-image img {
        min-height: 240px;
    }

    .mail-risk-list>div {
        border-right: 0;
        border-bottom: 1px solid #ccd6e4;
    }

    .mail-benefit-list li {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .mail-standard-note {
        gap: 20px;
        padding: 30px 24px;
    }
}

.merit-title span,
.diagnosis-title span {
    display: inline;
}

.band-title {
    background: var(--color-primary);
    color: #fff;
    padding: 36px 20px;
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
}

.two-column {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.network-hero-image {
    width: 100%;
    height: 760px;
    max-height: none;
    object-fit: contain;
    object-position: center top;
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 54px;
}

.group-section-title {
    text-align: center;
    margin-bottom: 44px;
}

.group-company-list {
    display: grid;
    gap: 36px;
}

.group-company-card {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 34px;
    align-items: center;
    padding: 36px;
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.group-company-card>img {
    width: 100%;
    height: 190px;
    object-fit: contain;
    border-radius: 8px;
    background: #f8f9fa;
    padding: 22px;
}

.group-company-content h3 {
    color: var(--color-primary);
    font-size: 1.55rem;
    margin-bottom: 6px;
}

.group-company-category {
    color: var(--color-secondary);
    font-weight: 700;
    margin-bottom: 18px;
}

.group-company-content p {
    line-height: 1.95;
    margin-bottom: 22px;
}

.group-company-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 700;
}

.group-company-link::after {
    content: "›";
    font-size: 1.35rem;
    line-height: 1;
    transform: translateY(-1px);
}

.history-section {
    background: #f4f4f4;
}

.history-main-title {
    color: #000;
    font-size: 3.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 44px;
}

.history-card {
    position: relative;
    max-width: 1060px;
    margin: 0 auto 70px;
    padding: 70px 72px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 30px 55px rgba(0, 0, 0, .1);
    overflow: hidden;
}

.history-card-heading {
    text-align: center;
    margin-bottom: 58px;
}

.history-logo {
    width: 220px;
    margin: 0 auto 26px;
}

.history-card-heading h3,
.group-structure-card h3 {
    color: #1f5fa5;
    font-size: 2.35rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
}

.history-card-heading p {
    color: #111;
    font-size: 1.45rem;
    letter-spacing: .08em;
}

.vertical-history {
    position: relative;
    display: grid;
    gap: 34px;
    max-width: 850px;
    margin: 0 auto;
}

.vertical-history::before {
    display: none;
}

.history-era {
    position: relative;
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 34px;
    align-items: start;
}

.history-era::before {
    content: "";
    position: absolute;
    top: 58px;
    bottom: auto;
    left: 76px;
    width: 2px;
    height: calc(100% + 92px);
    background: #7db7dc;
}

.history-era:last-child::before {
    display: none;
}

.history-era-marker {
    position: relative;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 116px;
    height: 116px;
    margin-left: 18px;
    border: 1px solid #79afcf;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 12px 24px rgba(41, 114, 169, .12);
}

.history-era-marker::before {
    content: "";
    position: absolute;
    inset: 18px;
    border-radius: 50%;
    background: #17ade3;
}

.history-era-marker span {
    position: relative;
    z-index: 1;
    color: #fff;
    font-family: var(--font-en);
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1;
}

.history-era-2010::before,
.history-era-2020::before {
    background: #0758a8;
}

.history-era-body {
    display: grid;
    gap: 16px;
    padding-top: 12px;
}

.history-event {
    display: grid;
    grid-template-columns: 74px 1fr;
    gap: 14px;
    align-items: start;
    color: #087fb0;
    font-weight: 700;
    line-height: 1.55;
}

.history-event time {
    font-family: var(--font-en);
    font-weight: 700;
    white-space: nowrap;
}

.history-event p {
    margin: 0;
}

.history-event.is-featured {
    color: #e00022;
}

.history-watermark {
    margin-top: 48px;
    color: rgba(31, 95, 165, .14);
    font-family: var(--font-en);
    font-size: 3.7rem;
    letter-spacing: .08em;
    line-height: .86;
}

.history-watermark span {
    font-size: 4.2rem;
    letter-spacing: .02em;
}

.group-structure-card {
    margin-bottom: 0;
}

.group-structure-root {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 6px;
    margin: 10px auto 0;
    color: #143a60;
}

.group-structure-root::after {
    display: none;
}

.group-structure-root::before {
    display: none;
}

.group-structure-logo {
    width: 200px;
}

.group-structure-root strong {
    font-family: var(--font-en);
    font-size: 1.6rem;
}

.group-structure-root span {
    color: #b7c8d9;
    font-weight: 700;
}

.group-structure-connector {
    position: relative;
    height: 96px;
    margin: 0 0 0;
}

.group-structure-connector::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 48px;
    background: #1f5fa5;
    transform: translateX(-50%);
}

.group-structure-connector::after {
    content: "";
    position: absolute;
    top: 48px;
    left: 16.666%;
    right: 16.666%;
    height: 2px;
    background: #1f5fa5;
}

.group-structure-connector span {
    position: absolute;
    top: 48px;
    width: 2px;
    height: 48px;
    background: #1f5fa5;
    transform: translateX(-50%);
}

.group-structure-connector span:nth-child(1) {
    left: 16.666%;
}

.group-structure-connector span:nth-child(2) {
    left: 50%;
}

.group-structure-connector span:nth-child(3) {
    left: 83.333%;
}

.group-structure-branches {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
}

.group-structure-branches::before {
    display: none;
}

.group-structure-branch {
    position: relative;
    text-align: center;
}

.group-structure-branch::before {
    display: none;
}

.group-structure-icon {
    display: grid;
    place-items: center;
    width: 62px;
    height: 62px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: #12aee4;
    color: #fff;
    font-weight: 700;
}

.group-structure-branch:nth-child(2) .group-structure-icon,
.group-structure-branch:nth-child(3) .group-structure-icon {
    background: #0758a8;
}

.group-structure-branch h4 {
    color: #143a60;
    font-size: 1.35rem;
    margin-bottom: 2px;
}

.group-structure-branch>p {
    color: #c3d0dd;
    font-family: var(--font-en);
    font-size: .82rem;
    font-weight: 700;
    margin-bottom: 28px;
}

.group-structure-branch li {
    color: #143a60;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.7;
    margin-bottom: 12px;
}

@media (max-width: 768px) {
    .network-hero-image {
        height: auto;
    }

    .history-main-title {
        font-size: 2.4rem;
        margin-bottom: 28px;
    }

    .history-card {
        padding: 42px 22px;
        margin-bottom: 42px;
    }

    .history-logo,
    .group-structure-logo {
        width: 170px;
    }

    .history-card-heading h3,
    .group-structure-card h3 {
        font-size: 1.75rem;
    }

    .history-card-heading p {
        font-size: 1.05rem;
        letter-spacing: 0;
    }

    .vertical-history::before {
        display: none;
    }

    .history-era::before {
        top: 38px;
        bottom: auto;
        left: 40px;
        height: calc(100% + 72px);
    }

    .history-era {
        grid-template-columns: 84px 1fr;
        gap: 18px;
    }

    .history-era-marker {
        width: 76px;
        height: 76px;
        margin-left: 0;
        box-shadow: 0 8px 18px rgba(41, 114, 169, .12);
    }

    .history-era-marker::before {
        inset: 11px;
    }

    .history-era-marker span {
        font-size: .8rem;
    }

    .history-event {
        grid-template-columns: 58px 1fr;
        gap: 10px;
        font-size: .92rem;
    }

    .history-watermark {
        font-size: 2rem;
    }

    .history-watermark span {
        font-size: 2.1rem;
    }

    .group-structure-root::after {
        left: 10%;
        right: 10%;
    }

    .group-structure-root::before,
    .group-structure-connector,
    .group-structure-branches::before,
    .group-structure-branch::before {
        display: none;
    }

    .group-structure-branches {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .profile-row,
    .business-item,
    .two-column,
    .feature-grid,
    .mail-icons,
    .mail-visual-grid,
    .function-item {
        grid-template-columns: 1fr;
    }

    .group-company-card {
        grid-template-columns: 1fr;
        padding: 26px 20px;
    }

    .group-company-card>img {
        height: 170px;
    }

    .mail-hero h2 {
        font-size: 2.6rem;
    }

    .mail-catch-block {
        padding: 28px 20px;
        text-align: left;
    }

    .mail-catch-block h3 {
        font-size: 2rem;
        text-align: center;
    }

    .mail-catch-block .mail-subcatch {
        text-align: center;
    }

    .mail-catch-block .mail-description {
        text-align: left;
    }

    .mail-section-title.about-title {
        font-size: clamp(1.35rem, 6vw, 1.75rem);
        white-space: nowrap;
    }

    .merit-title {
        font-size: clamp(1.35rem, 6vw, 1.75rem);
        line-height: 1.35;
    }

    .merit-title span,
    .diagnosis-title span {
        display: block;
    }

    .diagnosis-title {
        font-size: clamp(1.45rem, 6.2vw, 1.85rem);
        line-height: 1.35;
    }

    .recommend-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .recommend-box .recommend-layout {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .recommend-box {
        padding: 34px 20px;
    }

    .recommend-box h2 {
        white-space: nowrap;
        font-size: clamp(1.55rem, 7vw, 2rem);
    }

    .recommend-box>p {
        white-space: nowrap;
        font-size: clamp(.9rem, 4.1vw, 1.05rem);
    }

    .recommend-list li {
        font-size: 1rem;
        line-height: 1.8;
    }

    .recommend-box .recommend-list li {
        font-size: 1rem;
        line-height: 1.8;
        margin-bottom: 16px;
    }

    .recommend-box .recommend-image {
        max-width: 280px;
        width: 100%;
        justify-self: center;
    }

    .business-item {
        gap: 20px;
        padding: 24px;
    }

    .business-item-img {
        width: 100%;
    }

    .product-image-grid {
        grid-template-columns: 1fr;
    }

    .cosmo-card {
        padding: 28px 20px;
    }
}

@media (min-width: 769px) {
    .recommend-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 36px;
        row-gap: 12px;
    }

    .recommend-list li {
        margin-bottom: 0;
    }
}

/* Radio & Checkbox Groups */
.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 8px 15px;
    background: #f8f9fa;
    border-radius: 4px;
    border: 1px solid #ddd;
    transition: all 0.2s;
}

.radio-label:hover,
.checkbox-label:hover {
    background: #e9ecef;
    border-color: var(--color-primary);
}

.radio-label input,
.checkbox-label input {
    margin: 0;
}

/* ==========================================================================
   16. Left Sidebar Navigation (1201px+)
   ========================================================================== */

/* Left Sidebar - Hidden by default */
.left-sidebar {
    display: none;
}

/* Large Screen Styles (1201px+) */
@media (min-width: 1201px) {

    /* Show left sidebar */
    .left-sidebar {
        display: flex;
        flex-direction: column;
        position: fixed;
        left: 0;
        top: 0;
        width: 260px;
        height: 100vh;
        background: var(--color-primary);
        color: white;
        z-index: 1000;
        padding: 30px 25px;
        box-shadow: 2px 0 15px rgba(0, 0, 0, 0.1);
    }

    .left-sidebar .sidebar-logo {
        font-size: 1.4rem;
        font-weight: 700;
        font-family: var(--font-en);
        margin-bottom: 10px;
        display: block;
        color: white;
    }

    .left-sidebar .sidebar-logo span {
        color: var(--color-accent);
    }

    .left-sidebar .sidebar-brand-sub {
        font-size: 0.75rem;
        color: rgba(255, 255, 255, 0.6);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 40px;
    }

    .left-sidebar .sidebar-nav {
        flex: 1;
    }

    .left-sidebar .sidebar-nav ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .left-sidebar .sidebar-nav a {
        display: block;
        padding: 13px 15px;
        color: rgba(255, 255, 255, 0.85);
        font-size: 1.08rem;
        font-weight: 700;
        border-radius: 4px;
        transition: all 0.3s ease;
    }

    .left-sidebar .sidebar-nav a:hover,
    .left-sidebar .sidebar-nav a.active {
        background: rgba(255, 255, 255, 0.1);
        color: white;
    }

    .left-sidebar .sidebar-contact {
        margin-top: auto;
        padding-top: 30px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .left-sidebar .sidebar-contact .btn-sidebar {
        display: block;
        text-align: center;
        padding: 14px 20px;
        background: white;
        color: var(--color-primary) !important;
        border-radius: 4px;
        font-weight: 700;
        font-size: 0.95rem;
        transition: all 0.3s ease;
    }

    .left-sidebar .sidebar-contact .btn-sidebar:hover {
        background: var(--color-accent);
        color: white !important;
    }

    /* Hide normal header navigation */
    header .nav-menu {
        display: none !important;
    }

    /* Keep header but adjust it */
    header {
        left: 260px;
        width: calc(100% - 260px);
    }

    /* Offset main content */
    body {
        margin-left: 260px;
    }

    /* Adjust hero and page header */
    .hero-slider {
        margin-left: 0;
    }

    .page-header {
        margin-left: 0;
    }
}

/* Medium Screen (1024px - 1200px): Keep original header navigation */
@media (min-width: 1024px) and (max-width: 1200px) {
    .left-sidebar {
        display: none;
    }

    header {
        left: 0;
        width: 100%;
        display: flex;
    }

    body {
        margin-left: 0;
    }

    header .nav-menu {
        display: flex !important;
        gap: clamp(18px, 1.9vw, 25px);
        flex-wrap: nowrap;
        white-space: nowrap;
    }

    .header-container {
        gap: clamp(12px, 2vw, 26px);
    }

    .logo {
        flex: 0 0 auto;
    }

    .logo .site-logo-img {
        height: 48px;
        min-width: max-content;
    }

    .nav-link {
        font-size: clamp(0.95rem, 1.22vw, 1.08rem);
        font-weight: 700;
    }

    .nav-btn-contact {
        padding: 0.48rem clamp(0.62rem, 1.15vw, 1rem);
        font-size: clamp(0.95rem, 1.22vw, 1.03rem);
        font-weight: 700;
    }

    .card-grid.card-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Narrow tablet: use the compact slide menu to avoid logo/nav collision */
@media (min-width: 769px) and (max-width: 1023px) {
    .left-sidebar {
        display: none;
    }

    header {
        left: 0;
        width: 100%;
    }

    body {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
        z-index: 1001;
    }

    header .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        flex-direction: column;
        background: var(--color-primary);
        width: 80%;
        max-width: 300px;
        height: 100vh;
        text-align: center;
        padding-top: 70px;
        gap: 18px;
        justify-content: flex-start;
        transition: 0.3s ease-in-out;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.2);
        z-index: 1000;
    }

    header .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1rem;
        font-weight: 700;
    }
}

@media (min-width: 769px) and (max-width: 1023px) {
    header .nav-menu.active {
        right: 0 !important;
    }
}

/* Large Screen (1201px+): Hide header completely, show left sidebar */
@media (min-width: 1201px) {
    header {
        display: none !important;
    }

    .page-header {
        margin-top: 0;
    }
}

/* ======================================================================
   2026 SITE-WIDE DESIGN REFRESH
   A unified visual system for every production page.
   ====================================================================== */
:root {
    --color-primary: #073b6f;
    --color-secondary: #0868b8;
    --color-accent: #22a6df;
    --color-text: #17263a;
    --color-muted: #63748a;
    --color-bg: #eef3f8;
    --color-surface: #ffffff;
    --color-line: #dbe5ef;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 12px 32px rgba(9, 49, 87, 0.09);
    --shadow-strong: 0 24px 56px rgba(9, 49, 87, 0.14);
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--color-text);
    background: var(--color-bg);
    font-size: 16px;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1180px;
    padding-inline: clamp(22px, 4vw, 56px);
}

.section {
    padding: clamp(78px, 8vw, 112px) 0;
    overflow: hidden;
}

.bg-light,
.bg-alt,
.history-section {
    background: #f3f7fb !important;
}

.section-subtitle {
    margin-bottom: 14px;
    color: var(--color-secondary);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
}

.section-title {
    max-width: 900px;
    margin-bottom: 18px;
    color: var(--color-primary);
    font-size: clamp(2rem, 3.2vw, 3rem);
    line-height: 1.35;
    letter-spacing: -0.025em;
}

.text-center .section-title,
.section-title.text-center {
    margin-inline: auto;
}

.section-lead {
    margin-bottom: 26px;
    color: var(--color-secondary);
    font-size: clamp(1.12rem, 1.8vw, 1.45rem);
    font-weight: 700;
}

.section-text,
.page-lead,
.message-text,
.group-company-content p,
.news-detail-content,
.privacy-content {
    color: var(--color-muted);
}

.page-lead {
    max-width: 820px;
    font-size: clamp(1rem, 1.45vw, 1.16rem);
    line-height: 2;
}

.btn {
    min-height: 52px;
    padding: 0.85rem 2rem;
    border-color: var(--color-secondary);
    border-radius: 7px;
    background: var(--color-secondary);
    box-shadow: 0 10px 22px rgba(8, 104, 184, 0.18);
    font-size: 0.94rem;
    letter-spacing: 0.02em;
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(8, 104, 184, 0.24);
}

.black-btn {
    border-color: var(--color-primary);
    background: var(--color-primary);
}

.black-btn:hover {
    color: var(--color-primary) !important;
}

.cosmo-card,
.card,
.form-section,
.job-box,
.news-detail-content,
.privacy-content {
    border: 1px solid rgba(219, 229, 239, 0.9);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.cosmo-card,
.card,
.group-company-card,
.business-item,
.form-section {
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}

.cosmo-card:hover,
.card:hover,
.group-company-card:hover,
.business-item:hover {
    transform: translateY(-5px);
    border-color: rgba(34, 166, 223, 0.45);
    box-shadow: var(--shadow-strong);
}

/* Header and side navigation */
header {
    min-height: 72px;
    padding: 12px 0;
    background: rgba(5, 49, 91, 0.96);
    box-shadow: 0 8px 28px rgba(0, 31, 63, 0.18);
    backdrop-filter: blur(14px);
}

.nav-link {
    position: relative;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.nav-link::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -8px;
    left: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

@media (min-width: 1201px) {
    body {
        margin-left: 248px;
    }

    .left-sidebar {
        width: 248px;
        padding: 0 24px 28px;
        background: linear-gradient(180deg, #073b6f 0%, #052e56 100%);
        box-shadow: 10px 0 34px rgba(5, 37, 68, 0.12);
    }

    .left-sidebar .sidebar-logo {
        display: grid;
        place-items: center;
        min-height: 126px;
        margin: 0 -24px 28px;
        padding: 24px;
        background: #fff;
    }

    .left-sidebar .sidebar-logo .site-logo-img {
        width: 190px;
        max-height: 46px;
        object-fit: contain;
    }

    .left-sidebar .sidebar-nav ul {
        gap: 4px;
    }

    .left-sidebar .sidebar-nav a {
        position: relative;
        padding: 13px 16px 13px 20px;
        border-radius: 7px;
        font-size: 0.98rem;
    }

    .left-sidebar .sidebar-nav a::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 0;
        width: 3px;
        height: 0;
        border-radius: 2px;
        background: #54c5ef;
        transform: translateY(-50%);
        transition: height 0.25s ease;
    }

    .left-sidebar .sidebar-nav a:hover::before,
    .left-sidebar .sidebar-nav a.active::before {
        height: 28px;
    }

    .left-sidebar .sidebar-nav a:hover,
    .left-sidebar .sidebar-nav a.active {
        background: rgba(255, 255, 255, 0.08);
    }

    .left-sidebar .sidebar-contact .btn-sidebar {
        border-radius: 7px;
        box-shadow: 0 12px 24px rgba(0, 16, 34, 0.18);
    }
}

/* Hero and interior headers */
.hero-slider {
    height: clamp(640px, 84vh, 880px);
    background: var(--color-primary);
}

.slide {
    justify-content: flex-start;
    text-align: left;
    background-position: center;
}

.slide .hero-overlay {
    background: linear-gradient(90deg, rgba(3, 35, 66, 0.82) 0%, rgba(3, 35, 66, 0.52) 52%, rgba(3, 35, 66, 0.18) 100%);
}

.slide .hero-content {
    width: min(1040px, calc(100% - 96px));
    margin: 0 auto;
    padding: 0;
}

.hero-title {
    max-width: 900px;
    margin-bottom: 28px;
    font-size: clamp(2.7rem, 4.3vw, 4.2rem);
    line-height: 1.24;
    letter-spacing: 0.015em;
    white-space: nowrap;
    text-shadow: 0 10px 32px rgba(0, 19, 39, 0.35);
}

.hero-subtitle {
    padding-left: 54px;
    font-size: clamp(0.82rem, 1.5vw, 1.12rem);
    letter-spacing: 0.19em;
    text-shadow: none;
}

.hero-subtitle::before {
    content: "";
    position: absolute;
    width: 38px;
    height: 2px;
    margin-top: 0.8em;
    margin-left: -54px;
    background: #57c7ef;
}

.scroll-indicator {
    right: 42px;
    bottom: 34px;
    left: auto;
    transform: none;
}

.page-header {
    display: grid;
    min-height: 320px;
    padding: 70px 0;
    place-items: center;
    background-position: center;
}

.page-header::before {
    background: linear-gradient(110deg, rgba(3, 45, 84, 0.88), rgba(5, 79, 138, 0.58));
}

.page-header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    z-index: 2;
    width: 74px;
    height: 4px;
    background: #57c7ef;
    transform: translateX(-50%);
}

.page-title {
    margin-bottom: 12px;
    font-size: clamp(2.3rem, 4.2vw, 3.8rem);
    line-height: 1.18;
    letter-spacing: 0.03em;
    text-shadow: 0 8px 24px rgba(0, 20, 40, 0.28);
}

.page-header p {
    font-family: var(--font-main);
    font-weight: 700;
    letter-spacing: 0.12em;
}

.breadcrumb {
    border: 0;
    box-shadow: 0 6px 22px rgba(18, 57, 92, 0.04);
}

.breadcrumb ol {
    min-height: 56px;
    padding-block: 14px;
    font-size: 0.82rem;
}

/* Home */
.hero-slider + .section {
    padding: 62px 0;
    background: linear-gradient(135deg, #f2f7fc 0%, #fff 100%) !important;
}

.hero-slider + .section .page-lead {
    position: relative;
    margin-bottom: 32px;
    color: var(--color-primary);
    font-size: clamp(1.08rem, 1.8vw, 1.34rem);
    font-weight: 700;
}

.hero-slider + .section .page-lead::before {
    content: "";
    display: block;
    width: 42px;
    height: 3px;
    margin: 0 auto 28px;
    background: var(--color-accent);
}

.hero-slider ~ .section .row {
    align-items: stretch;
}

.hero-slider ~ .section .col-md-6:first-child {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.content-image.company-home,
.content-image.company-profile {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-strong);
}

.content-image.company-home {
    height: 390px;
}

.card-grid {
    gap: 26px;
}

.product-card {
    position: relative;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    background: #fff;
}

.product-card .content-image {
    height: 250px;
    min-height: 250px;
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.55s ease;
}

.product-card:hover .content-image {
    transform: scale(1.035);
}

.product-card .card-content {
    position: relative;
    min-height: 190px;
    padding: 28px 30px 34px;
}

.product-card .card-content h3 {
    margin-bottom: 14px;
    font-size: 1.35rem;
}

.product-card .card-content p {
    padding-right: 20px;
    color: var(--color-muted);
    font-size: 0.94rem;
    line-height: 1.85;
}

.news-home-section .container,
body:has(.page-header .page-title) .news-list {
    max-width: 980px;
}

.news-list {
    display: grid;
    gap: 12px;
}

.news-list-item {
    overflow: hidden;
    padding: 0;
    border: 1px solid var(--color-line) !important;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 8px 22px rgba(9, 49, 87, 0.05);
}

.news-list-item a {
    position: relative;
    align-items: center;
    min-height: 82px;
    padding: 20px 70px 20px 24px;
    gap: 28px;
}

.news-list-item a:hover {
    background: #f5f9fd;
    opacity: 1;
}

.news-list-date {
    min-width: 112px;
    color: var(--color-secondary);
    font-family: var(--font-en);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.news-list-title {
    color: var(--color-primary);
    font-weight: 700;
}

/* Company */
body:has(.profile-list) > .section:first-of-type {
    background: linear-gradient(180deg, #fff 0%, #f8fbfe 100%);
}

.profile-list {
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-radius: 12px;
    background: #fff;
}

.profile-row {
    grid-template-columns: 132px 1fr;
    gap: 22px;
    min-height: 58px;
    padding: 15px 18px;
    border-bottom-color: var(--color-line);
}

.profile-row:last-child {
    border-bottom: 0;
}

.profile-row dt {
    font-size: 0.88rem;
}

.content-image.company-profile {
    height: 520px;
}

.message-text {
    position: relative;
}

body:has(.message-text) .cosmo-card.content-narrow {
    max-width: 920px;
    padding: clamp(38px, 6vw, 72px);
    border-top: 5px solid var(--color-secondary);
}

.mission-grid .cosmo-card {
    position: relative;
    min-height: 260px;
    padding: 44px;
    border-top: 4px solid var(--color-accent);
}

.mission-grid .cosmo-card:nth-child(2) {
    border-top-color: var(--color-secondary);
}

.mission-grid h3 {
    font-size: 1.28rem;
}

.map-placeholder iframe {
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow) !important;
}

/* Business overview */
.business-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
    max-width: none;
    gap: 24px;
}

.business-item {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    overflow: hidden;
    padding: 0 0 28px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.business-item-img {
    width: 100%;
    height: 250px;
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.55s ease;
}

.business-item:hover .business-item-img {
    transform: scale(1.035);
}

.business-item > div {
    flex: 1;
    padding: 26px 28px 20px;
}

.business-item h2 {
    margin-bottom: 14px;
    font-size: 1.48rem;
}

.business-item p {
    color: var(--color-muted);
    font-size: 0.94rem;
}

.business-item > .btn {
    width: auto !important;
    margin: 0 28px;
}

/* Network */
.network-hero-image {
    height: min(520px, 48vw);
    min-height: 360px;
    margin-bottom: 72px;
    padding: 20px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow);
}

.group-company-list {
    gap: 24px;
}

.group-company-card {
    grid-template-columns: 230px 1fr;
    padding: 34px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.group-company-card > img {
    height: 170px;
    border: 1px solid #e7eef5;
    border-radius: 12px;
    background: #f8fbfe;
}

.group-company-content h3 {
    font-size: 1.42rem;
}

.group-company-category {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 4px 10px;
    border-radius: 4px;
    background: #e9f5fc;
    color: var(--color-secondary);
    font-size: 0.78rem;
}

.group-company-content p {
    margin-bottom: 16px;
    font-size: 0.93rem;
}

.group-company-link {
    padding-bottom: 2px;
    border-bottom: 1px solid currentColor;
    color: var(--color-secondary);
}

/* History */
.history-main-title {
    color: var(--color-primary);
    font-size: clamp(2.2rem, 3.6vw, 3.2rem);
}

.history-card {
    border: 1px solid var(--color-line);
    border-radius: 18px;
    box-shadow: var(--shadow-strong);
}

.history-card-heading h3,
.group-structure-card h3 {
    color: var(--color-primary);
}

.history-era-marker {
    border-width: 5px;
    border-color: #dcecf7;
    box-shadow: 0 12px 28px rgba(8, 104, 184, 0.14);
}

.history-event {
    color: #24618d;
}

.history-event.is-featured {
    color: #d23b4f;
}

/* News detail and policy */
.news-detail-content,
.privacy-content {
    max-width: 900px;
    padding: clamp(34px, 5vw, 64px);
    background: #fff;
}

.news-detail-header {
    margin-bottom: 36px;
    padding-bottom: 28px;
    border-bottom-color: var(--color-line);
}

.news-detail-date {
    color: var(--color-secondary);
    font-family: var(--font-en);
    font-weight: 700;
}

.news-detail-title {
    color: var(--color-primary);
    font-size: clamp(1.55rem, 2.5vw, 2.3rem);
}

.privacy-content h2 {
    margin-bottom: 34px;
    font-size: clamp(1.7rem, 2.7vw, 2.3rem);
}

.privacy-content h3 {
    position: relative;
    margin-top: 48px;
    padding: 0 0 12px 18px;
    border-bottom-color: var(--color-line);
}

.privacy-content h3::before {
    content: "";
    position: absolute;
    top: 0.3em;
    bottom: 0.65em;
    left: 0;
    width: 4px;
    border-radius: 2px;
    background: var(--color-accent);
}

/* Contact and recruitment */
.contact-steps {
    gap: 0;
    margin-bottom: 48px;
}

.step-item {
    min-width: 138px;
    padding: 12px 26px;
    border: 1px solid var(--color-line);
    border-radius: 0;
    background: #fff;
    text-align: center;
}

.step-item:first-child {
    border-radius: 8px 0 0 8px;
}

.step-item:last-child {
    border-radius: 0 8px 8px 0;
}

.step-item.active {
    border-color: var(--color-secondary);
    background: var(--color-secondary);
}

.form-section {
    padding: clamp(28px, 4vw, 46px);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 32px rgba(9, 49, 87, 0.07);
}

.form-section-title {
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-line);
    font-size: 1.24rem;
}

.form-control {
    min-height: 52px;
    padding: 12px 14px;
    border: 1px solid #cdd9e5;
    border-radius: 7px;
    background: #fbfdff;
    font-family: var(--font-main);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

textarea.form-control {
    min-height: 160px;
    resize: vertical;
}

.form-control:focus {
    border-color: var(--color-secondary);
    outline: 0;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(8, 104, 184, 0.1);
}

.radio-label,
.checkbox-label,
.privacy-label {
    border-radius: 7px;
    background: #f6f9fc;
}

.radio-label,
.checkbox-label {
    padding: 10px 16px;
    border-color: var(--color-line);
}

.privacy-box {
    height: 220px;
    border-color: var(--color-line);
    border-radius: 8px;
    background: #f7fafc;
}

.job-box {
    max-width: 900px;
    padding: clamp(34px, 5vw, 60px);
}

/* Service pages: retain their own identity inside the shared system */
.material-hero-circle,
.chemical-feature-images img,
.material-circle,
.chemical-secondary > div:first-child,
.mail-service-visual img,
.mail-service-feature-image img {
    box-shadow: var(--shadow-strong);
}

.material-strength-grid .cosmo-card,
.mail-module-cards .cosmo-card {
    border-top: 4px solid var(--color-accent);
}

.mail-module-cards .cosmo-card:nth-child(2),
.material-strength-grid .cosmo-card:nth-child(2) {
    border-top-color: var(--color-secondary);
}

.mail-module-cards .cosmo-card:nth-child(3),
.material-strength-grid .cosmo-card:nth-child(3) {
    border-top-color: var(--color-primary);
}

.mail-risk-list,
.mail-standard-note {
    border-radius: 12px;
}

/* CTA and footer */
.cta-section {
    position: relative;
    overflow: hidden;
    padding: 50px 0;
    background: linear-gradient(120deg, #073b6f 0%, #075b9f 62%, #087cc5 100%);
}

.cta-section::before,
.cta-section::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 50%;
}

.cta-section::before {
    top: -170px;
    right: 18%;
    width: 330px;
    height: 330px;
}

.cta-section::after {
    right: -80px;
    bottom: -220px;
    width: 420px;
    height: 420px;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(1.5rem, 2.3vw, 2rem);
}

.cta-section .btn-white {
    min-width: 240px;
    border-color: #fff;
    border-radius: 7px;
    background: #fff;
    color: var(--color-primary) !important;
    box-shadow: 0 12px 28px rgba(0, 25, 51, 0.18);
}

.cta-section .btn-white:hover {
    border-color: #fff;
    background: transparent;
    color: #fff !important;
}

footer {
    padding: 72px 0 24px;
    background: #031e38;
}

.footer-grid {
    gap: 56px;
    margin-bottom: 54px;
}

.footer-logo-text {
    font-size: 1.3rem;
}

.footer-nav h4 {
    margin-bottom: 18px;
    color: #fff;
    font-size: 0.88rem;
    letter-spacing: 0.08em;
}

.footer-nav ul {
    gap: 8px;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.9rem;
}

.copyright {
    padding-top: 24px;
    font-size: 0.72rem;
}

@media (max-width: 1023px) {
    .hero-slider {
        height: min(780px, 88vh);
    }

    .page-header {
        min-height: 280px;
    }

    .business-list {
        grid-template-columns: 1fr;
        max-width: 760px;
    }

    .business-item {
        display: grid;
        grid-template-columns: 240px 1fr;
        padding: 0;
    }

    .business-item-img {
        height: 100%;
        min-height: 250px;
        grid-row: 1 / 3;
    }

    .business-item > div {
        padding: 28px 28px 10px;
    }

    .business-item > .btn {
        margin: 8px 28px 28px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .container {
        padding-inline: 20px;
    }

    .section {
        padding: 66px 0;
    }

    .section-title {
        font-size: clamp(1.75rem, 8vw, 2.25rem);
    }

    .section-subtitle {
        font-size: 0.7rem;
    }

    header {
        min-height: 64px;
        padding: 8px 0;
    }

    .logo .site-logo-img {
        height: 34px !important;
    }

    .hero-slider {
        height: 680px;
        min-height: 680px;
    }

    .slide {
        align-items: flex-end;
        padding-bottom: 112px;
        background-position: center;
    }

    .slide .hero-overlay {
        background: linear-gradient(180deg, rgba(3, 35, 66, 0.24) 0%, rgba(3, 35, 66, 0.84) 76%, rgba(3, 35, 66, 0.94) 100%);
    }

    .slide .hero-content {
        width: calc(100% - 40px);
    }

    .hero-title {
        margin-bottom: 20px;
        font-size: clamp(1.25rem, 6.2vw, 1.9rem);
        line-height: 1.35;
        white-space: nowrap;
    }

    .hero-subtitle {
        padding-left: 38px;
        font-size: 0.68rem;
        line-height: 1.7;
    }

    .hero-subtitle::before {
        width: 26px;
        margin-left: -38px;
    }

    .scroll-indicator {
        right: 18px;
        bottom: 22px;
    }

    .page-header {
        min-height: 220px;
        padding: 54px 0 42px;
    }

    .page-title {
        font-size: clamp(1.85rem, 9vw, 2.6rem);
    }

    .breadcrumb ol {
        min-height: 48px;
        font-size: 0.72rem;
    }

    .content-image.company-home,
    .content-image.company-profile {
        height: 300px;
        margin-top: 34px;
    }

    .product-card .content-image {
        height: 220px;
        min-height: 220px;
    }

    .product-card .card-content {
        min-height: 170px;
        padding: 24px 24px 30px;
    }

    .news-list-item a {
        display: grid;
        min-height: 92px;
        padding: 18px 48px 18px 20px;
        gap: 4px;
    }

    .news-list-date {
        min-width: 0;
        font-size: 0.78rem;
    }

    .news-list-title {
        font-size: 0.92rem;
        line-height: 1.6;
    }

    .profile-row {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 14px 16px;
    }

    .mission-grid .cosmo-card {
        min-height: 0;
        padding: 30px 24px;
    }

    .business-item {
        display: flex;
        padding-bottom: 24px;
    }

    .business-item-img {
        height: 220px;
        min-height: 220px;
    }

    .business-item > div {
        padding: 24px 24px 14px;
    }

    .business-item > .btn {
        margin: 0 24px;
    }

    .network-hero-image {
        height: auto;
        min-height: 0;
        margin-bottom: 52px;
        padding: 8px;
    }

    .group-company-card {
        padding: 24px;
        border-radius: 14px;
    }

    .group-company-card > img {
        height: 130px;
    }

    .history-card {
        padding: 42px 22px;
        border-radius: 14px;
    }

    .news-detail-content,
    .privacy-content {
        padding: 28px 22px;
        border-radius: 12px;
    }

    .contact-steps {
        width: 100%;
        overflow: hidden;
    }

    .step-item {
        flex: 1;
        min-width: 0;
        padding: 10px 6px;
        font-size: 0.78rem;
    }

    .form-section {
        padding: 28px 20px;
    }

    .cta-section {
        padding: 48px 0;
    }

    .cta-section .btn-white {
        width: 100%;
        min-width: 0;
    }

    .footer-grid {
        gap: 34px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ======================================================================
   MAIL INSPECTOR — SOURCE-COMPLETE WEB LAYOUT
   ====================================================================== */
.mail-service-page .section-title {
    max-width: 980px;
    font-size: clamp(1.72rem, 2.45vw, 2.25rem);
    line-height: 1.45;
    letter-spacing: -.025em;
    word-break: keep-all;
}

.mail-service-intro-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
    gap: clamp(48px, 6vw, 80px);
}

.mail-service-intro .section-title {
    font-size: clamp(1.72rem, 2.2vw, 2.05rem);
    line-height: 1.55;
}

.mail-service-visual {
    border: 1px solid var(--color-line);
    border-radius: 16px;
    background: #fff;
}

.mail-service-visual img {
    width: 100%;
    height: auto;
    min-height: 0;
    object-fit: contain;
}

.mail-threat-platform-image {
    width: 100%;
    margin-bottom: 24px;
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(9, 49, 87, .06);
}

.mail-threat-platform-image img {
    display: block;
    width: 100%;
    height: auto;
}

.mail-threat-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.mail-threat-card {
    position: relative;
    min-height: 98px;
    padding: 17px 16px 18px;
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-top: 4px solid var(--color-accent);
    border-radius: 9px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(9, 49, 87, .07);
    transition: transform .25s ease, box-shadow .25s ease;
}

.mail-threat-card:nth-child(2) {
    border-top-color: #2894da;
}

.mail-threat-card:nth-child(3) {
    border-top-color: #1474bf;
}

.mail-threat-card:nth-child(4) {
    border-top-color: #155897;
}

.mail-threat-card:nth-child(5) {
    border-top-color: var(--color-primary);
}

.mail-threat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

.mail-threat-card span {
    display: block;
    margin-bottom: 10px;
    color: var(--color-secondary);
    font-family: var(--font-en);
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .08em;
}

.mail-threat-card h3 {
    color: var(--color-primary);
    font-size: clamp(.88rem, 1.02vw, 1rem);
    line-height: 1.45;
    white-space: nowrap;
}

.mail-module-cards .cosmo-card {
    padding: 34px 30px;
}

.mail-module-cards h3 {
    min-height: 3.1em;
    font-size: 1.2rem;
    line-height: 1.55;
}

.mail-module-cards p {
    color: var(--color-muted);
    font-size: .93rem;
}

.mail-module-cards a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 12px 16px;
    border: 1px solid var(--color-secondary);
    border-radius: 7px;
    background: var(--color-secondary);
    color: #fff;
    font-size: .88rem;
    line-height: 1.45;
    text-align: center;
    box-shadow: 0 8px 18px rgba(28, 104, 185, .14);
    transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.mail-module-cards a:hover {
    background: #fff;
    color: var(--color-secondary);
    box-shadow: none;
}

.mail-module-list {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--color-line);
}

.mail-module-list li {
    padding: 7px 0 7px 14px;
    border-left-color: #b9daf0;
}

.mail-section-heading {
    max-width: 980px;
    margin-bottom: 38px;
}

.mail-section-heading .page-lead {
    max-width: none;
    margin: 0;
}

.mail-deployment-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 34px;
    overflow: hidden;
    border: 1px solid #cbd9e8;
    border-top: 4px solid var(--color-secondary);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(9, 49, 87, .06);
}

.mail-deployment-steps article {
    min-height: 216px;
    padding: 28px 26px 30px;
    border: 0;
    border-right: 1px solid #dce5ef;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.mail-deployment-steps article:last-child {
    border-right: 0;
}

.mail-step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 18px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: #fff;
    font-family: var(--font-en);
    font-size: .9rem;
    font-weight: 700;
}

.mail-deployment-steps small {
    display: block;
    margin-bottom: 8px;
    color: var(--color-accent);
    font-family: var(--font-en);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .08em;
}

.mail-deployment-steps h3 {
    margin-bottom: 12px;
    color: var(--color-primary);
    font-size: 1.12rem;
}

.mail-deployment-steps p {
    color: var(--color-muted);
    font-size: .88rem;
    line-height: 1.75;
}

.mail-deployment-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.mail-deployment-summary article {
    min-height: 0;
    padding: 16px 18px;
    border: 1px solid var(--color-line);
    border-left: 3px solid var(--color-accent);
    border-radius: 6px;
    background: rgba(255, 255, 255, .62);
}

.mail-deployment-summary article.is-primary {
    border: 1px solid var(--color-line);
    border-left: 3px solid var(--color-secondary);
    background: rgba(255, 255, 255, .62);
    color: var(--color-primary);
}

.mail-deployment-summary h3 {
    margin-bottom: 5px;
    color: var(--color-primary);
    font-size: .96rem;
    line-height: 1.55;
}

.mail-deployment-summary .is-primary h3 {
    color: var(--color-primary);
}

.mail-deployment-summary p {
    color: var(--color-muted);
    font-size: .82rem;
    line-height: 1.65;
}

.mail-deployment-summary .is-primary p {
    color: var(--color-muted);
}

.mail-standard-section {
    background: #fff;
}

.mail-standard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(290px, .6fr);
    gap: 18px;
    align-items: start;
}

.mail-itu-card,
.mail-x1236-card {
    padding: clamp(26px, 3.4vw, 38px);
    border-radius: 10px;
}

.mail-itu-card {
    border: 1px solid var(--color-line);
    background: #fbfcfe;
    box-shadow: none;
}

.mail-itu-card h3 {
    margin-bottom: 14px;
    color: var(--color-primary);
    font-size: 1.22rem;
}

.mail-itu-card p {
    color: var(--color-muted);
    font-size: .9rem;
    line-height: 1.85;
}

.mail-itu-card ul {
    display: grid;
    gap: 7px;
    margin-top: 18px;
}

.mail-itu-card li {
    padding: 7px 0 7px 13px;
    border-left: 2px solid #9ecceb;
    background: transparent;
    color: #53667c;
    font-size: .82rem;
    line-height: 1.65;
}

.mail-x1236-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid #c7d9ec;
    border-left: 4px solid var(--color-secondary);
    background: #f4f8fc;
    color: var(--color-primary);
    box-shadow: none;
}

.mail-x1236-card > span {
    margin-bottom: 14px;
    color: var(--color-secondary);
    font-family: var(--font-en);
    font-size: clamp(1.35rem, 2vw, 1.7rem);
    font-weight: 700;
    line-height: 1.2;
}

.mail-x1236-card h3 {
    margin-bottom: 14px;
    color: var(--color-primary);
    font-size: 1.02rem;
    line-height: 1.6;
}

.mail-x1236-card p {
    color: var(--color-muted);
    font-size: .83rem;
    line-height: 1.75;
}

.mail-closing-section {
    padding: clamp(64px, 7vw, 92px) 0;
    background: #0a3775;
    color: #fff;
}

.mail-closing-section .container {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
    gap: 60px;
    align-items: center;
}

.mail-closing-section h2 {
    margin-bottom: 22px;
    color: #fff;
    font-size: clamp(1.72rem, 2.45vw, 2.25rem);
    line-height: 1.45;
    letter-spacing: -.025em;
}

.mail-closing-section p {
    max-width: 720px;
    color: rgba(255, 255, 255, .84);
    line-height: 2;
}

.mail-closing-section .btn {
    margin-top: 28px;
}

.mail-closing-section .btn-white {
    border-color: #fff;
    background: #fff;
    color: var(--color-primary) !important;
    box-shadow: 0 12px 26px rgba(0, 20, 48, .2);
}

.mail-closing-section .btn-white:hover {
    border-color: #fff;
    background: #f1f6fb;
    color: var(--color-primary) !important;
    box-shadow: 0 15px 30px rgba(0, 20, 48, .24);
}

.mail-closing-logo {
    padding: 34px;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 22px 46px rgba(0, 19, 43, .22);
}

.mail-closing-logo img {
    width: 100%;
    height: auto;
}

@media (max-width: 1023px) {
    .mail-service-intro-grid,
    .mail-standard-grid,
    .mail-closing-section .container {
        grid-template-columns: 1fr;
    }

    .mail-service-visual {
        max-width: 760px;
        margin: 0 auto;
    }

    .mail-threat-grid {
        grid-template-columns: repeat(5, minmax(156px, 1fr));
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .mail-deployment-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .mail-deployment-steps article:nth-child(2) {
        border-right: 0;
    }

    .mail-deployment-steps article:nth-child(-n+2) {
        border-bottom: 1px solid #dce5ef;
    }

    .mail-closing-logo {
        width: min(520px, 100%);
    }
}

@media (max-width: 768px) {
    .mail-service-page .section-title {
        word-break: normal;
    }

    .mail-service-intro .section-title {
        font-size: clamp(1.55rem, 6.3vw, 1.9rem);
    }

    .mail-threat-grid,
    .mail-deployment-steps,
    .mail-deployment-summary {
        grid-template-columns: 1fr;
    }

    .mail-threat-grid {
        overflow-x: visible;
        padding-bottom: 0;
    }

    .mail-threat-card {
        min-height: 130px;
        padding: 24px 22px;
    }

    .mail-threat-card span {
        margin-bottom: 18px;
    }

    .mail-module-cards .cosmo-card {
        padding: 30px 24px;
    }

    .mail-module-cards h3 {
        min-height: 0;
    }

    .mail-deployment-steps article {
        min-height: 0;
        border-right: 0;
        border-bottom: 1px solid #dce5ef;
    }

    .mail-deployment-steps article:last-child {
        border-bottom: 0;
    }

    .mail-deployment-summary article {
        min-height: 0;
        padding: 28px 24px;
    }

    .mail-itu-card,
    .mail-x1236-card {
        padding: 30px 24px;
    }

    .mail-closing-section .container {
        gap: 38px;
    }

    .mail-closing-logo {
        padding: 24px;
    }
}