/* ===================================
   TRINITY Entertainment - Corporate Site
   CSS Stylesheet
   =================================== */

:root {
    --color-primary: #FF6B35;
    --color-secondary: #E6446C;
    --color-gradient: linear-gradient(135deg, #FF6B35 0%, #E6446C 100%);
    --color-gradient-hover: linear-gradient(135deg, #FF5722 0%, #D63564 100%);
    --color-black: #1a1a1a;
    --color-dark: #333333;
    --color-gray: #666666;
    --color-gray-light: #999999;
    --color-border: #e0e0e0;
    --color-bg: #f8f8f8;
    --color-white: #ffffff;
    --font-sans: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Montserrat', 'Noto Sans JP', sans-serif;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;
    --container-max: 1200px;
    --header-height: 80px;
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul { list-style: none; }

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
}

.section-gray {
    background: var(--color-bg);
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
}

/* ロゴを大きく */
.logo-img {
    height: 60px;
    width: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-dark);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gradient);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link-cta {
    background: var(--color-gradient);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-md);
    border-radius: 30px;
    font-weight: 600;
}

.nav-link-cta::after { display: none; }

.nav-link-cta:hover {
    background: var(--color-gradient-hover);
    transform: translateY(-2px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 30px;
    height: 30px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-dark);
    transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-gradient);
    opacity: 0.03;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 80%;
    height: 150%;
    background: var(--color-gradient);
    opacity: 0.05;
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -30px) rotate(5deg); }
}

.hero-content {
    position: relative;
    text-align: center;
    padding: var(--space-lg);
    z-index: 1;
}

/* ヒーローロゴ（大きく表示） */
.hero-logo {
    margin-bottom: var(--space-xl);
}

.hero-logo-img {
    width: 200px;
    height: auto;
    margin: 0 auto;
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.hero-title-en {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-gray);
    line-height: 2;
    margin-bottom: var(--space-2xl);
}

.scroll-down {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-gray-light);
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scroll-hint 2s ease-in-out infinite;
}

@keyframes scroll-hint {
    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; }
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-black);
}

.section-desc {
    margin-top: var(--space-sm);
    color: var(--color-gray);
}

.section-subtitle {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-xl);
}

/* ===================================
   Pickup (サバゲーシスターズ) Section
   =================================== */
.pickup {
    background: var(--color-bg);
}

.pickup-content {
    margin-bottom: var(--space-2xl);
}

.pickup-hero {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.pickup-hero-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.pickup-hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl);
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    display: flex;
    justify-content: center;
}

/* Videos Grid */
.videos-grid {
    max-width: 900px;
    margin: 0 auto;
}

.videos-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    padding-left: var(--space-sm);
    border-left: 3px solid var(--color-primary);
}

.videos-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.video-card {
    display: block;
    background: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.video-thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-bg);
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 42px;
    opacity: 0.9;
    transition: all var(--transition-base);
}

.video-card:hover .video-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.video-info {
    padding: var(--space-md);
}

.video-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-views {
    font-size: 0.8rem;
    color: var(--color-gray-light);
}

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

/* ===================================
   Services Section
   =================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    display: block;
    background: var(--color-white);
    border-radius: 16px;
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--color-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-white);
}

.service-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
}

.service-desc {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/* ===================================
   News Section
   =================================== */
.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    display: grid;
    grid-template-columns: auto auto 1fr;
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.news-item:hover {
    background: rgba(255, 107, 53, 0.02);
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
}

.news-date {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-gray-light);
}

.news-category {
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-gradient);
    color: var(--color-white);
    border-radius: 4px;
}

.news-title {
    font-size: 1rem;
    color: var(--color-dark);
}

/* News Page List */
.news-page-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-page-item {
    display: block;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.news-page-item:hover {
    background: var(--color-bg);
}

.news-page-item .news-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: var(--space-sm) 0;
}

.news-excerpt {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/* ===================================
   Blog Section
   =================================== */
.blog-grid,
.blog-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.blog-card {
    display: block;
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.blog-card-img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.blog-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.blog-card:hover .blog-card-img img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: var(--space-lg);
}

.blog-date {
    font-size: 0.8rem;
    color: var(--color-gray-light);
}

.blog-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 10px;
    background: var(--color-gradient);
    color: var(--color-white);
    border-radius: 4px;
    margin-left: var(--space-sm);
}

.blog-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.blog-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-dark);
    margin: var(--space-sm) 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-excerpt {
    font-size: 0.9rem;
    color: var(--color-gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===================================
   Contact Banner
   =================================== */
.contact-banner {
    background: var(--color-gradient);
    padding: var(--space-2xl) 0;
}

.contact-banner-content {
    text-align: center;
    color: var(--color-white);
}

.contact-banner-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-sm);
}

.contact-banner-content p {
    opacity: 0.9;
    margin-bottom: var(--space-lg);
}

/* Contact Banner Button - 白いボタン */
.contact-banner .btn-white {
    background: var(--color-white);
    color: var(--color-primary);
    border: none;
    font-weight: 700;
}

.contact-banner .btn-white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* ===================================
   Page Header
   =================================== */
.page-header {
    padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-xl);
    background: var(--color-bg);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-gray-light);
    margin-bottom: var(--space-lg);
}

.breadcrumb a {
    color: var(--color-gray);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.page-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-black);
}

.page-subtitle {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--color-gray-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: var(--space-xs);
}

/* ===================================
   About Page
   =================================== */
.about-intro {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.about-intro-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-lg);
}

.about-intro-text {
    color: var(--color-gray);
    line-height: 2;
}

.about-logo-large {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table tr {
    border-bottom: 1px solid var(--color-border);
}

.info-table th,
.info-table td {
    padding: var(--space-md) var(--space-sm);
    text-align: left;
    vertical-align: top;
}

.info-table th {
    width: 25%;
    font-weight: 500;
    color: var(--color-dark);
    background: rgba(255, 107, 53, 0.05);
}

.info-table td {
    color: var(--color-gray);
}

.business-list {
    padding-left: var(--space-md);
}

.business-list li {
    position: relative;
    padding-left: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.business-list li::before {
    content: '・';
    position: absolute;
    left: 0;
}

/* Mission */
.mission-section {
    margin-top: var(--space-2xl);
}

.mission-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.mission-item {
    text-align: center;
    padding: var(--space-lg);
}

.mission-icon {
    width: 60px;
    height: 60px;
    background: var(--color-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.mission-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

.mission-item h4 {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.mission-item p {
    color: var(--color-gray);
    font-size: 0.95rem;
}

/* Access */
.access-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
    align-items: start;
}

.access-address {
    color: var(--color-gray);
    line-height: 2;
}

.access-map {
    border-radius: 12px;
    overflow: hidden;
}

/* ===================================
   Contact Page
   =================================== */
.contact-intro {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.contact-intro p {
    font-size: 1.1rem;
    color: var(--color-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-2xl);
}

.contact-types {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-type {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: 12px;
}

.contact-type-icon {
    width: 50px;
    height: 50px;
    background: var(--color-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-type-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.contact-type-content h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.contact-type-content p {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* Form */
.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: var(--space-xs);
}

.required {
    font-size: 0.75rem;
    color: var(--color-secondary);
    margin-left: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-white);
    color: var(--color-dark);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    margin-top: var(--space-lg);
}

.form-submit .btn {
    width: 100%;
}

/* ===================================
   Services Page
   =================================== */
.services-page-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.service-page-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.service-page-icon {
    width: 80px;
    height: 80px;
    background: var(--color-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-page-icon svg {
    width: 36px;
    height: 36px;
    color: var(--color-white);
}

.service-page-content h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.service-page-content p {
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.service-features {
    padding-left: var(--space-md);
    margin-bottom: var(--space-lg);
}

.service-features li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-xs);
    color: var(--color-gray);
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--color-gradient);
    border-radius: 50%;
}

/* Service Detail */
.service-detail-intro {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.lead-text {
    font-size: 1.2rem;
    color: var(--color-gray);
    line-height: 2;
}

.channel-showcase {
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 20px;
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.channel-info {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-xl);
    align-items: center;
    margin-bottom: var(--space-xl);
}

.channel-logo {
    width: 150px;
    border-radius: 12px;
}

.channel-details h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.channel-details p {
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-md);
}

.channel-videos h3 {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-sm);
    border-left: 3px solid var(--color-primary);
}

.service-offerings {
    margin-top: var(--space-2xl);
}

.service-offerings h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border);
}

.offerings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.offering-item {
    padding: var(--space-lg);
    background: var(--color-bg);
    border-radius: 12px;
    text-align: center;
}

.offering-icon {
    width: 60px;
    height: 60px;
    background: var(--color-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.offering-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

.offering-item h4 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.offering-item p {
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* Work Flow */
.work-flow {
    margin-top: var(--space-2xl);
}

.work-flow h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border);
}

.flow-steps {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    justify-content: center;
}

.flow-step {
    flex: 1;
    min-width: 180px;
    max-width: 200px;
    text-align: center;
    position: relative;
}

.step-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--color-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-sm);
}

.flow-step h4 {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
}

.flow-step p {
    font-size: 0.85rem;
    color: var(--color-gray);
}

/* ===================================
   Article Content
   =================================== */
.article-content {
    padding: var(--space-2xl) 0;
}

.article-header {
    max-width: 800px;
    margin: 0 auto var(--space-xl);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.article-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    line-height: 1.4;
}

.article-featured-img {
    max-width: 800px;
    margin: 0 auto var(--space-xl);
    border-radius: 12px;
    overflow: hidden;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
}

.article-body p {
    margin-bottom: var(--space-lg);
}

.article-body h2 {
    font-size: 1.5rem;
    margin: var(--space-xl) 0 var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-border);
}

.article-body h3 {
    font-size: 1.2rem;
    margin: var(--space-lg) 0 var(--space-sm);
}

.article-body ul {
    padding-left: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.article-body ul li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-xs);
}

.article-body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--color-gradient);
    border-radius: 50%;
}

.article-video {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--color-bg);
    border-radius: 12px;
}

.article-video h3 {
    margin-bottom: var(--space-md);
    border: none;
    padding: 0;
}

.article-video .video-card {
    max-width: 400px;
}

.article-footer {
    max-width: 800px;
    margin: var(--space-xl) auto 0;
    text-align: center;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 50px;
    transition: all var(--transition-base);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--color-gradient);
    color: var(--color-white);
    border: none;
}

.btn-primary:hover {
    background: var(--color-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
}

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

.btn-outline-dark:hover {
    background: var(--color-dark);
    color: var(--color-white);
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-logo {
    height: 100px;
    width: auto;
    margin: 0 auto var(--space-md);
}

.footer-tagline {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.footer-address {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-nav h4 {
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.8);
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-nav a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: var(--color-primary);
}

.footer-social h4 {
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.8);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--color-gradient);
    transform: translateY(-3px);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    padding-top: var(--space-lg);
    text-align: center;
}

.copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   Back to Top
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }

    .about-intro {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .access-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-base);
        z-index: 1000;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl);
        gap: var(--space-lg);
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .hero-logo-img {
        width: 150px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-logo {
        height: 80px;
    }

    .footer-nav ul {
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }

    .service-page-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .service-page-icon {
        margin: 0 auto;
    }

    .channel-info {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .channel-logo {
        margin: 0 auto;
    }

    .news-item {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .info-table th,
    .info-table td {
        display: block;
        width: 100%;
    }

    .info-table th {
        padding-bottom: var(--space-xs);
    }

    .info-table td {
        padding-top: 0;
    }

    .breadcrumb {
        flex-wrap: wrap;
    }

    /* Contact Banner Mobile */
    .contact-banner {
        padding: var(--space-xl) 0;
    }

    .contact-banner-content h2 {
        font-size: 1.3rem;
    }

    .contact-banner-content p {
        font-size: 0.9rem;
    }

    /* Blog Grid Mobile */
    .blog-grid,
    .blog-page-grid {
        grid-template-columns: 1fr;
    }

    .blog-meta {
        flex-direction: row;
        align-items: center;
    }

    /* Videos Grid Mobile */
    .videos-list {
        grid-template-columns: 1fr;
    }

    .pickup-hero {
        max-width: 100%;
    }

    /* Channel Showcase Mobile */
    .channel-showcase {
        padding: var(--space-lg);
        border-radius: 12px;
        margin-bottom: var(--space-lg);
    }

    .channel-info {
        gap: var(--space-md);
        margin-bottom: var(--space-lg);
    }

    .channel-logo {
        width: 100px;
    }

    .channel-details h2 {
        font-size: 1.2rem;
    }

    .channel-details p {
        font-size: 0.9rem;
    }

    .channel-videos h3 {
        font-size: 1rem;
        margin-bottom: var(--space-md);
    }

    /* Article Mobile */
    .article-meta {
        flex-wrap: wrap;
    }

    .article-title {
        font-size: 1.4rem;
    }

    /* Services Grid Mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Flow Steps Mobile */
    .flow-steps {
        flex-direction: column;
        align-items: center;
    }

    .flow-step {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-subtitle br,
    .contact-intro p br {
        display: none;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    /* Header Mobile */
    .logo-img {
        height: 50px;
    }

    /* Hero Mobile */
    .hero-logo-img {
        width: 120px;
    }

    .hero-title-en {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    /* Section Headers Mobile */
    .section-title {
        font-size: 1.5rem;
    }

    .page-title {
        font-size: 1.75rem;
    }

    /* Blog Category Mobile */
    .blog-category {
        font-size: 0.65rem;
        padding: 2px 8px;
    }

    /* Button Mobile */
    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.85rem;
    }

    .btn-large {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.9rem;
    }

    /* Contact Banner Mobile */
    .contact-banner-content h2 {
        font-size: 1.1rem;
    }

    .contact-banner-content p {
        font-size: 0.85rem;
    }

    /* Video Card Mobile */
    .video-title {
        font-size: 0.9rem;
    }

    /* Service Card Mobile */
    .service-card {
        padding: var(--space-lg);
    }

    /* News Category Mobile */
    .news-category {
        font-size: 0.7rem;
    }

    /* Mission Mobile */
    .mission-content {
        grid-template-columns: 1fr;
    }

    /* Offerings Mobile */
    .offerings-grid {
        grid-template-columns: 1fr;
    }

    /* Channel Showcase Small Mobile */
    .channel-showcase {
        padding: var(--space-md);
    }

    .channel-info {
        gap: var(--space-sm);
        margin-bottom: var(--space-md);
    }

    .channel-logo {
        width: 80px;
    }

    .channel-details h2 {
        font-size: 1.1rem;
        margin-bottom: var(--space-xs);
    }

    .channel-details p {
        font-size: 0.85rem;
        margin-bottom: var(--space-sm);
    }

    .channel-videos {
        margin-top: var(--space-md);
    }

    .channel-videos h3 {
        font-size: 0.95rem;
        margin-bottom: var(--space-sm);
        padding-left: var(--space-xs);
    }

    .videos-list {
        gap: var(--space-md);
    }

    .video-info {
        padding: var(--space-sm);
    }
}