/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans JP', "Helvetica Neue", Arial, sans-serif;
    background-color: #1a1a1a; /* Dark Background for sub pages */
    color: #e0e0e0; /* Off-white text */
    line-height: 1.8;
    letter-spacing: 0.05em;
}

/* Top Page Light Theme */
body.top-page {
    background-color: var(--hero-bg);
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s;
}

a:hover {
    opacity: 0.7;
}

ul {
    list-style: none;
}

/* Variables */
:root {
    --bg-dark: #1a1a1a;
    --bg-darker: #121212;
    --bg-lighter: #2c2c2c;
    --accent: #c5a059; /* Matte Gold */
    --accent-light: #E5C46E; /* Light Gold for CTA */
    --text-main: #f5f5f5;
    --text-sub: #b0b0b0;
    
    /* Light Theme Colors for Top Page */
    --hero-bg: #F7F7FA;
    --light-text-main: #1E1E1E;
    --light-text-sub: #595959;
    --light-section-bg: #FFFFFF;
}

/* Layout Utilities */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--accent-light);
    color: white;
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(229, 196, 110, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--accent);
    box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    border: 2px solid var(--accent);
    color: var(--accent);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background-color: var(--accent);
    color: white;
}

.btn-outline {
    display: inline-block;
    border: 2px solid var(--text-sub);
    color: var(--text-main);
    padding: 10px 24px;
    margin-top: 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

.btn-large {
    padding: 16px 45px;
    font-size: 1.1rem;
}

.text-link {
    color: var(--accent);
    font-weight: bold;
    border-bottom: 1px solid var(--accent);
}

.text-link-small {
    color: var(--text-sub);
    font-size: 0.85rem;
    border-bottom: 1px solid var(--text-sub);
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.98);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #E5E5E5;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--light-text-main);
}

.nav-list {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-list li a {
    font-size: 0.9rem;
    color: var(--light-text-sub);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-list li a:hover {
    color: var(--accent);
}

.btn-nav {
    border: 2px solid var(--accent);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-nav:hover {
    background-color: var(--accent);
    color: white;
}

/* Hero */
.hero {
    background-image: url('../images/hero_anecta.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 120px 0;
    text-align: center;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 2.8rem;
    margin-bottom: 25px;
    line-height: 1.5;
    color: var(--light-text-main);
    font-weight: 700;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--light-text-sub);
    margin-bottom: 45px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.9;
}

/* Section Common */
.section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 50px;
    text-align: center;
}

.section-subtitle {
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main); /* Default: light color for dark bg */
}

.top-page .section-title {
    color: var(--light-text-main); /* Top page: dark color for light bg */
}

/* Concept - Default Dark Theme */
.concept {
    background-color: var(--bg-darker);
}

.concept-lead {
    color: #ccc;
}

/* Top Page Light Theme Override */
.top-page .concept {
    background-color: var(--light-section-bg);
}

.top-page .concept-lead {
    color: var(--light-text-sub);
}

.concept-lead {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    font-size: 1.1rem;
    line-height: 2;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.value-item {
    background-color: var(--bg-dark);
    padding: 35px 30px;
    border-radius: 12px;
    border: 1px solid #333;
    transition: all 0.3s;
}

.value-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transform: translateY(-3px);
}

.value-item h4 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 700;
}

.value-item p {
    color: #ccc;
    line-height: 1.8;
}

/* Top Page Light Theme Override for Value Items */
.top-page .value-item {
    background-color: #FAFAFA;
    border: 1px solid #E5E5E5;
}

.top-page .value-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.top-page .value-item p {
    color: var(--light-text-sub);
}

/* Service - Default Dark Theme */
.service {
    background-color: var(--bg-lighter);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--bg-dark);
    padding: 35px;
    border-radius: 12px;
    border: 1px solid #333;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
}

.card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    transform: translateY(-5px);
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-main);
    font-weight: 700;
}

.card-title-sub {
    display: block;
    font-size: 0.85rem;
    color: var(--text-sub);
    font-weight: 500;
    margin-top: 5px;
}

.card-text {
    font-size: 0.95rem;
    color: #ccc;
    line-height: 1.8;
}

/* Top Page Light Theme Override for Service */
.top-page .service {
    background-color: #F9F9FB;
}

.top-page .card {
    background-color: white;
    border: 1px solid #E5E5E5;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.top-page .card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.top-page .card-title {
    color: var(--light-text-main);
}

.top-page .card-title-sub {
    color: var(--light-text-sub);
}

.top-page .card-text {
    color: var(--light-text-sub);
}

.more-link-wrapper {
    text-align: right;
    margin-top: 30px;
}

/* Products / Lab - Default Dark Theme */
.products {
    background-color: var(--bg-dark);
    border-top: 1px solid #333;
}

.products-inner {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.products-text {
    flex: 1;
    min-width: 300px;
}

.products-text p {
    color: #ccc;
    line-height: 2;
}

.products-image {
    flex: 1;
    min-width: 300px;
}

.products-image img {
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.image-placeholder {
    width: 100%;
    height: 300px;
    background-color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    border: 2px dashed #444;
    border-radius: 12px;
}

.lab-list {
    margin: 20px 0 30px;
    padding-left: 20px;
    list-style: disc;
    color: var(--text-sub);
}

/* Top Page Light Theme Override for Products */
.top-page .products {
    background-color: white;
    border-top: 1px solid #E5E5E5;
}

.top-page .products-text p {
    color: var(--light-text-sub);
}

.top-page .products-image img {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.top-page .image-placeholder {
    background-color: #F5F5F5;
    color: var(--light-text-sub);
    border: 2px dashed #D0D0D0;
}

.top-page .lab-list {
    color: var(--light-text-sub);
}

/* Lab Story - WORLD CUP DRAW LAB への想い - Default Dark Theme */
.lab-story {
    margin-top: 80px;
    padding: 50px 40px;
    background-color: var(--bg-darker);
    border-left: 5px solid var(--accent);
    border-radius: 12px;
    border: 1px solid #333;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.lab-story-title {
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 30px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.lab-story-content p {
    margin-bottom: 20px;
    line-height: 2;
    color: #ccc;
    font-size: 0.98rem;
}

.lab-story-content strong {
    color: var(--accent);
    font-weight: 700;
}

.lab-story-closing {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #333;
    font-style: italic;
    color: var(--text-sub);
    font-weight: 500;
}

.pc-only {
    display: inline;
}

/* Top Page Light Theme Override for Lab Story */
.top-page .lab-story {
    background-color: #FAFAFA;
    border: 1px solid #E5E5E5;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.top-page .lab-story-content p {
    color: var(--light-text-sub);
}

.top-page .lab-story-closing {
    border-top: 2px solid #E5E5E5;
    color: var(--light-text-sub);
}

/* Compliance - Default Dark Theme */
.compliance {
    background-color: var(--bg-darker);
    text-align: center;
}

.compliance-title {
    font-size: 1.6rem;
    margin-bottom: 40px;
    color: var(--text-main);
    font-weight: 700;
}

.compliance-list {
    max-width: 700px;
    margin: 0 auto 30px;
    text-align: left;
    background-color: var(--bg-dark);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #333;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.compliance-item {
    display: flex;
    gap: 15px;
    margin-bottom: 18px;
    align-items: flex-start;
}

.compliance-item p {
    color: #ccc;
    line-height: 1.8;
}

.check-icon {
    color: var(--accent);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Top Page Light Theme Override for Compliance */
.top-page .compliance {
    background-color: #F9F9FB;
}

.top-page .compliance-title {
    color: var(--light-text-main);
}

.top-page .compliance-list {
    background-color: white;
    border: 1px solid #E5E5E5;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.top-page .compliance-item p {
    color: var(--light-text-sub);
}

/* CTA - Accent Section */
.cta {
    background: linear-gradient(135deg, #E5C46E 0%, #D4AF5A 100%);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 2rem;
    margin-bottom: 20px;
    color: white;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-text {
    margin-bottom: 40px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
}

.cta .btn-primary {
    background-color: white;
    color: var(--accent);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.cta .btn-primary:hover {
    background-color: #f5f5f5;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Footer - Dark Theme for締め */
.footer {
    background-color: #1a1a1a;
    padding: 50px 0;
    text-align: center;
    font-size: 0.85rem;
    color: #999;
    border-top: 1px solid #333;
}

.footer-links {
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #bbb;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent);
}

.copyright {
    color: #666;
    font-size: 0.8rem;
}

/* About Page - MVV Detail */
.mvv-detail-grid {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.mvv-detail-box {
    background-color: var(--bg-dark);
    padding: 40px;
    border-left: 4px solid var(--accent);
}

.mvv-detail-title {
    color: var(--accent);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.mvv-detail-subtitle {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-left: 10px;
    text-transform: none;
}

.mvv-detail-heading {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.mvv-detail-text {
    font-size: 1rem;
    line-height: 1.9;
    color: #ccc;
}

.value-points {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.value-point {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.value-point-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background-color: var(--accent);
    color: var(--bg-darker);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.value-point h6 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-main);
}

.value-point p {
    font-size: 0.9rem;
    color: #ccc;
}

/* Company Table */
.company-table {
    width: 100%;
    max-width: 800px;
    margin: 40px auto 0;
    border-collapse: collapse;
}

.company-table tr {
    border-bottom: 1px solid #333;
}

.company-table th {
    text-align: left;
    padding: 25px 20px;
    background-color: var(--bg-darker);
    font-weight: 700;
    width: 30%;
    color: var(--accent);
}

.company-table td {
    padding: 25px 20px;
    color: var(--text-main);
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.contact-card {
    background-color: var(--bg-dark);
    padding: 50px 40px;
    text-align: center;
    border-top: 3px solid var(--accent);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background-color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-darker);
}

.contact-card-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

.contact-card-text {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-sub);
}

.contact-card-preparing {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}

.contact-card-note {
    font-size: 0.85rem;
    color: #666;
}

.contact-link {
    display: inline-block;
    font-size: 1.3rem;
    color: var(--accent);
    font-weight: 700;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 5px;
    transition: opacity 0.3s;
}

.contact-link:hover {
    opacity: 0.7;
}

.contact-info-box {
    max-width: 700px;
    margin: 60px auto 0;
    padding: 30px;
    background-color: var(--bg-dark);
    border-radius: 4px;
    text-align: center;
}

.contact-info-box p {
    line-height: 2;
    color: var(--text-sub);
}

.contact-info-box strong {
    color: var(--accent);
}

/* Privacy Policy Page */
.policy-content {
    max-width: 900px;
    margin: 0 auto;
}

.policy-section {
    background-color: var(--bg-dark);
    padding: 40px;
    margin-bottom: 30px;
    border-left: 4px solid var(--accent);
}

.policy-heading {
    font-size: 1.3rem;
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 700;
}

.policy-text {
    font-size: 0.95rem;
    line-height: 2;
    color: #ccc;
    margin-bottom: 15px;
}

.policy-list {
    list-style: disc;
    padding-left: 25px;
    margin-top: 15px;
}

.policy-list li {
    margin-bottom: 12px;
    color: #ccc;
    line-height: 1.9;
    font-size: 0.95rem;
}

.policy-contact-box {
    background-color: var(--bg-darker);
    padding: 30px;
    border-radius: 4px;
    margin-top: 20px;
}

.policy-contact-box p {
    line-height: 2;
    color: var(--text-main);
}

.policy-contact-box strong {
    color: var(--accent);
    font-size: 1.1rem;
}

.policy-updated {
    text-align: right;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #333;
}

.policy-updated p {
    color: var(--text-sub);
    font-size: 0.9rem;
}

/* Service Detail Page */
.service-detail-card {
    background-color: var(--bg-dark);
    padding: 50px 40px;
    margin-bottom: 50px;
    border-left: 4px solid var(--accent);
}

.service-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.service-detail-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: var(--accent);
    color: var(--bg-darker);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
}

.service-detail-title {
    font-size: 1.8rem;
    color: var(--text-main);
}

.service-detail-subtitle {
    display: block;
    font-size: 1rem;
    color: var(--text-sub);
    font-weight: normal;
    margin-top: 5px;
}

.service-detail-content {
    padding-left: 80px;
}

.service-detail-lead {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 40px;
    color: #ccc;
}

.service-detail-subtitle-heading {
    font-size: 1.1rem;
    color: var(--accent);
    margin: 30px 0 15px;
}

.service-detail-list {
    list-style: disc;
    padding-left: 25px;
    margin-bottom: 25px;
}

.service-detail-list li {
    margin-bottom: 10px;
    color: #ccc;
    line-height: 1.8;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-list {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .products-inner {
        flex-direction: column;
    }

    .section-title {
        font-size: 1.6rem;
    }

    /* Lab Story Mobile */
    .lab-story {
        padding: 30px 20px;
        margin-top: 50px;
    }

    .lab-story-title {
        font-size: 1.2rem;
    }

    .lab-story-content p {
        font-size: 0.9rem;
    }

    .pc-only {
        display: none;
    }

    /* About Page Mobile */
    .mvv-detail-box {
        padding: 30px 20px;
    }

    .mvv-detail-heading {
        font-size: 1.4rem;
    }

    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
        padding: 15px;
    }

    .company-table th {
        padding-bottom: 5px;
    }

    /* Contact Page Mobile */
    .contact-card {
        padding: 35px 25px;
    }

    /* Service Detail Mobile */
    .service-detail-card {
        padding: 30px 20px;
    }

    .service-detail-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .service-detail-content {
        padding-left: 0;
    }

    .service-detail-title {
        font-size: 1.5rem;
    }

    /* Policy Page Mobile */
    .policy-section {
        padding: 25px 20px;
    }

    .policy-heading {
        font-size: 1.1rem;
    }

    .policy-text {
        font-size: 0.9rem;
    }

    .policy-contact-box {
        padding: 20px;
    }
}