/* ========================================
   カラー変数
   ======================================== */
:root {
    --color-primary: #1a1a1a;
    --color-secondary: #c9a961;
    --color-text: #2c2c2c;
    --color-text-light: #666;
    --color-bg: #ffffff;
    --color-bg-light: #f8f8f8;
    --color-border: #e0e0e0;
    --font-primary: 'Cormorant Garamond', serif;
    --font-japanese: 'Noto Serif JP', serif;
    --transition: all 0.3s ease;
}

/* ========================================
   リセット & 基本スタイル
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-japanese);
    color: var(--color-text);
    line-height: 1.8;
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

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

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

/* ========================================
   コンテナ
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   ナビゲーション
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.nav-brand a {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    font-size: 0.95rem;
    color: var(--color-text);
    position: relative;
    letter-spacing: 1px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-secondary);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition);
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.6) 0%,
        rgba(0, 0, 0, 0.3) 50%,
        rgba(0, 0, 0, 0.5) 100%
    );
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    padding: 0 20px;
    max-width: 900px;
}

.hero-subtitle {
    font-family: var(--font-primary);
    font-size: 1rem;
    letter-spacing: 4px;
    margin-bottom: 20px;
    color: var(--color-secondary);
    font-weight: 300;
}

.hero-title {
    font-family: var(--font-japanese);
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 2;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    color: white;
    font-size: 0.85rem;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: white;
    margin: 10px auto 0;
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% {
        opacity: 0;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(10px);
    }
}

/* ========================================
   アニメーション
   ======================================== */
.fade-in-up {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   ボタン
   ======================================== */
.btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 0.95rem;
    letter-spacing: 2px;
    transition: var(--transition);
    border-radius: 2px;
    font-weight: 400;
}

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

.btn-primary:hover {
    background: #b89950;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(201, 169, 97, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 1px solid white;
}

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

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

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

/* ========================================
   セクション共通
   ======================================== */
section {
    padding: 80px 0;
}

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

.section-title {
    font-family: var(--font-japanese);
    font-size: 2.2rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.section-divider {
    width: 60px;
    height: 2px;
    background: var(--color-secondary);
    margin: 0 auto;
}

/* ========================================
   コンセプトセクション
   ======================================== */
.concept-section {
    background: var(--color-bg-light);
}

.concept-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 2.2;
    color: var(--color-text-light);
}

/* ========================================
   現在の展示
   ======================================== */
.exhibition-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.exhibition-card.featured {
    background: var(--color-bg-light);
    padding: 40px;
    border-radius: 2px;
}

.exhibition-image {
    overflow: hidden;
    border-radius: 2px;
}

.exhibition-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.exhibition-video {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 2px;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: #000;
}

.exhibition-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 2px;
}

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

.exhibition-status {
    display: inline-block;
    padding: 5px 15px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 15px;
    border-radius: 20px;
}

.exhibition-status.current {
    background: var(--color-secondary);
    color: white;
}

.exhibition-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.exhibition-artist {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.exhibition-date {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.exhibition-description {
    line-height: 2;
    margin-bottom: 30px;
    color: var(--color-text-light);
}

/* ========================================
   アーティスト紹介
   ======================================== */
.featured-artist {
    background: var(--color-bg-light);
}

.artist-feature {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.artist-feature-image {
    overflow: hidden;
    border-radius: 2px;
}

.artist-feature-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.artist-name {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.artist-name-en {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--color-secondary);
    letter-spacing: 3px;
    margin-bottom: 25px;
}

.artist-bio {
    line-height: 2;
    margin-bottom: 30px;
    color: var(--color-text-light);
}

/* ========================================
   ギャラリー情報
   ======================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.info-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--color-bg-light);
    border-radius: 2px;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.info-icon {
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.info-card h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.info-card p {
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 10px;
}

.info-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 10px;
}

.info-card a {
    display: inline-block;
    margin-top: 15px;
    color: var(--color-secondary);
    border-bottom: 1px solid var(--color-secondary);
    padding-bottom: 2px;
}

.info-card a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--color-primary);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.footer-section h3 {
    font-size: 1.5rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    color: var(--color-secondary);
}

.footer-section p {
    line-height: 1.8;
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul a {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

.footer-section ul a:hover {
    color: var(--color-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary);
    transform: translateY(-5px);
}

/* ========================================
   Embedded Form Section
   ======================================== */
.form-embed-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

.form-intro-text {
    text-align: center;
    margin-bottom: 40px;
}

.form-intro-text p {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.required-note {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
}

.embedded-form-container {
    background: white;
    border-radius: 2px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 50px 40px;
}

.contact-form .form-group {
    margin-bottom: 30px;
}

.contact-form label {
    display: block;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--color-text);
    font-size: 0.95rem;
}

.contact-form .required {
    color: #c41e3a;
    margin-left: 5px;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 2px;
    font-size: 0.95rem;
    font-family: var(--font-secondary);
    transition: var(--transition);
    background: white;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form input[type="tel"]:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(184, 160, 117, 0.1);
}

.contact-form .name-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.contact-form .confirm-field {
    margin-top: 10px;
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

.contact-form .form-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 8px;
    line-height: 1.6;
}

.contact-form .form-actions {
    margin-top: 40px;
    text-align: center;
}

/* ========================================
   レスポンシブ
   ======================================== */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
    }

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

    .nav-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .exhibition-card,
    .artist-feature {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .artist-feature-image img {
        height: 400px;
    }

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

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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

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

    .form-embed-section {
        padding: 30px 15px 60px;
    }

    .form-intro-text {
        margin-bottom: 30px;
    }

    .embedded-form-container {
        padding: 30px 20px;
    }

    .contact-form .name-fields {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .contact-form input[type="text"],
    .contact-form input[type="email"],
    .contact-form input[type="tel"],
    .contact-form select {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}

/* ========================================
   ページヘッダー（共通）
   ======================================== */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c2c2c 100%);
    text-align: center;
    color: white;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 4px;
}

.page-subtitle {
    font-family: var(--font-primary);
    font-size: 1rem;
    letter-spacing: 6px;
    color: var(--color-secondary);
    font-weight: 300;
}

/* ========================================
   アーティストページ
   ======================================== */
.artist-philosophy {
    padding: 60px 0;
    background: var(--color-bg-light);
}

.philosophy-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.philosophy-title {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.philosophy-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.artist-profile {
    padding: 80px 0;
}

.profile-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 60px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.profile-image {
    border-radius: 2px;
    overflow: hidden;
}

.profile-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
}

.artist-name-large {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 3px;
}

.artist-name-en-large {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--color-secondary);
    letter-spacing: 4px;
    margin-bottom: 30px;
    display: block;
}

.profile-detail h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.profile-year {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.profile-text {
    line-height: 2;
    color: var(--color-text-light);
}

.artist-vision {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.vision-card {
    padding: 35px 25px;
    background: white;
    border-radius: 2px;
    transition: var(--transition);
}

.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.vision-number {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
    font-weight: 300;
}

.vision-card h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.vision-card p {
    line-height: 1.9;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.creative-process {
    padding: 80px 0;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.process-card {
    padding: 35px 25px;
    background: white;
    border-radius: 2px;
    transition: var(--transition);
}

.process-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.process-number {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
    font-weight: 300;
}

.process-card h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.process-card p {
    line-height: 1.9;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.achievements {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.achievement-card {
    text-align: center;
    padding: 35px 25px;
    background: white;
    border-radius: 2px;
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.achievement-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.achievement-card h3 {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.achievement-location {
    font-size: 0.95rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
}

.achievement-description {
    line-height: 1.8;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.cta-section {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c2c2c 100%);
    color: white;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: rgba(255,255,255,0.9);
}

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

/* ========================================
   展示スケジュールページ
   ======================================== */
.exhibitions-section {
    padding: 80px 0;
}

.exhibitions-section.upcoming {
    background: var(--color-bg-light);
}

.featured-exhibition {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.exhibition-image-large {
    position: relative;
    border-radius: 2px;
    overflow: hidden;
}

.exhibition-image-large img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.exhibition-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 20px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    border-radius: 20px;
    font-weight: 500;
}

.exhibition-badge.current {
    background: var(--color-secondary);
    color: white;
}

.exhibition-badge.upcoming {
    background: var(--color-primary);
    color: white;
}

.exhibition-title-large {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.exhibition-artist-name {
    font-size: 1.2rem;
    color: var(--color-secondary);
    margin-bottom: 30px;
}

.exhibition-meta {
    display: grid;
    gap: 15px;
    margin-bottom: 30px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-light);
}

.meta-item svg {
    flex-shrink: 0;
    color: var(--color-secondary);
}

.exhibition-description-full {
    line-height: 2;
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.exhibition-description-full p {
    margin-bottom: 20px;
}

.exhibition-description-full h4 {
    font-size: 1.1rem;
    font-weight: 400;
    margin: 30px 0 15px;
    letter-spacing: 2px;
}

.exhibition-works {
    list-style: none;
    padding-left: 0;
}

.exhibition-works li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 10px;
    color: var(--color-text-light);
}

.exhibition-works li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
}

.exhibition-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.exhibitions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.exhibition-card-small {
    background: white;
    border-radius: 2px;
    overflow: hidden;
    transition: var(--transition);
}

.exhibition-card-small:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.exhibition-image-small {
    position: relative;
    overflow: hidden;
}

.exhibition-image-small img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.exhibition-card-small:hover .exhibition-image-small img {
    transform: scale(1.05);
}

.exhibition-info-small {
    padding: 30px;
}

.exhibition-info-small h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.artist-small {
    font-size: 1rem;
    color: var(--color-secondary);
    margin-bottom: 10px;
}

.date-small {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.description-small {
    line-height: 1.8;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.past-exhibitions-list {
    max-width: 800px;
    margin: 0 auto;
}

.past-exhibition-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 40px;
    padding: 30px 0;
    border-bottom: 1px solid var(--color-border);
}

.past-exhibition-item:last-child {
    border-bottom: none;
}

.past-year {
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--color-secondary);
    font-weight: 300;
}

.past-details h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.past-date {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 10px;
}

.past-description {
    line-height: 1.8;
    color: var(--color-text-light);
}

.visit-info {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.visit-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.visit-card {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 2px;
}

.visit-card h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.info-large {
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: 15px;
    font-weight: 400;
}

/* ========================================
   東京展覧会予告セクション
   ======================================== */
.tokyo-preview {
    background: var(--color-bg-light);
}

.section-description {
    margin-top: 15px;
    font-size: 1.1rem;
    color: var(--color-text-light);
    font-weight: 300;
}

.tokyo-exhibition-preview {
    max-width: 1100px;
    margin: 0 auto;
}

.tokyo-preview-card {
    background: white;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.tokyo-preview-image {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.tokyo-preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tokyo-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-radius: 2px;
    text-align: center;
}

.badge-label {
    display: block;
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-secondary);
    letter-spacing: 3px;
    margin-bottom: 5px;
}

.badge-location {
    display: block;
    font-size: 2rem;
    color: white;
    font-weight: 600;
    letter-spacing: 8px;
}

.tokyo-preview-content {
    padding: 60px 50px;
}

.tokyo-title {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 3px;
    color: var(--color-primary);
}

.tokyo-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: 50px;
    font-weight: 300;
}

.tokyo-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.tokyo-info-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--color-bg-light);
    border-radius: 2px;
    transition: var(--transition);
}

.tokyo-info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.info-icon-large {
    font-size: 3rem;
    margin-bottom: 15px;
}

.tokyo-info-item h4 {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 10px;
    letter-spacing: 2px;
    color: var(--color-secondary);
}

.tokyo-info-item p {
    line-height: 1.8;
    color: var(--color-text);
    font-weight: 500;
}

.tokyo-description {
    margin-bottom: 40px;
    padding: 40px;
    background: var(--color-bg-light);
    border-radius: 2px;
    border-left: 4px solid var(--color-secondary);
}

.tokyo-description h4 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.tokyo-description p {
    line-height: 2;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.tokyo-description p:last-child {
    margin-bottom: 0;
}

.tokyo-notification {
    margin-top: 40px;
}

.notification-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c2c2c 100%);
    color: white;
    padding: 40px;
    border-radius: 2px;
    text-align: center;
}

.notification-box h4 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.notification-box h4 svg {
    color: var(--color-secondary);
}

.notification-box p {
    font-size: 1.1rem;
    line-height: 2;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

.notification-box .btn {
    background: var(--color-secondary);
    color: white;
    border: none;
}

.notification-box .btn:hover {
    background: white;
    color: var(--color-primary);
}

/* ========================================
   アクセスページ
   ======================================== */
.map-section {
    padding: 0;
}

.map-container {
    width: 100%;
    height: 450px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
}

.access-info {
    padding: 80px 0;
}

.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.access-main h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 40px;
    letter-spacing: 3px;
}

.info-block {
    margin-bottom: 40px;
}

.info-block h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.info-block h3 svg {
    color: var(--color-secondary);
}

.address-text,
.hours-text,
.admission-text {
    line-height: 2;
    color: var(--color-text-light);
}

.address-text strong,
.hours-text strong,
.admission-text strong {
    color: var(--color-text);
    font-size: 1.1rem;
}

.note {
    display: block;
    font-size: 0.9rem;
    margin-top: 5px;
}

.access-transportation {
    background: var(--color-bg-light);
    padding: 40px;
    border-radius: 2px;
}

.transport-title {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.transport-method {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.transport-icon {
    font-size: 2rem;
    text-align: center;
}

.transport-details h4 {
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.transport-details ul {
    list-style: none;
    padding: 0;
}

.transport-details li {
    margin-bottom: 15px;
    line-height: 1.8;
    color: var(--color-text-light);
}

.transport-details li strong {
    color: var(--color-text);
    display: block;
    margin-bottom: 5px;
}

.transport-details p {
    line-height: 1.8;
    color: var(--color-text-light);
}

.office-info {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.office-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.office-card {
    background: white;
    padding: 40px 30px;
    border-radius: 2px;
    text-align: center;
}

.office-card h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.office-card h3 svg {
    color: var(--color-secondary);
}

.office-card p {
    line-height: 2;
    color: var(--color-text-light);
}

.office-card a {
    color: var(--color-secondary);
    border-bottom: 1px solid var(--color-secondary);
}

.office-card a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.company-info {
    padding: 80px 0;
}

.company-details {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.company-details h3 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 40px;
    letter-spacing: 3px;
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: left;
}

.company-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.company-item p {
    line-height: 2;
    color: var(--color-text-light);
}

/* ========================================
   お問い合わせページ
   ======================================== */
.contact-section {
    padding: 80px 0;
}

.contact-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.contact-intro p {
    line-height: 2;
    color: var(--color-text-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.contact-form {
    display: grid;
    gap: 25px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.95rem;
    margin-bottom: 10px;
    color: var(--color-text);
    font-weight: 500;
}

.required {
    color: #e74c3c;
    margin-left: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
}

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 5px;
}

.checkbox-group {
    margin-top: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.privacy-link {
    color: var(--color-secondary);
    border-bottom: 1px solid var(--color-secondary);
}

.privacy-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-actions {
    margin-top: 20px;
}

.btn-large {
    padding: 18px 50px;
    font-size: 1rem;
}

.form-message {
    margin-top: 30px;
    padding: 20px;
    border-radius: 2px;
    text-align: center;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-message.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.contact-info-sidebar {
    display: grid;
    gap: 30px;
}

.contact-info-card {
    background: var(--color-bg-light);
    padding: 30px;
    border-radius: 2px;
}

.contact-info-card h3 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.info-item svg {
    flex-shrink: 0;
    color: var(--color-secondary);
}

.info-item strong {
    display: block;
    margin-bottom: 8px;
    color: var(--color-text);
}

.info-item p {
    line-height: 1.8;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.btn-small {
    padding: 10px 25px;
    font-size: 0.9rem;
    width: 100%;
    text-align: center;
}

.faq-item {
    margin-bottom: 20px;
}

.faq-item strong {
    display: block;
    margin-bottom: 8px;
    color: var(--color-text);
}

.faq-item p {
    line-height: 1.8;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-secondary);
    border: 1px solid var(--color-secondary);
    padding: 12px 20px;
    border-radius: 2px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-secondary);
    color: white;
}

.social-link svg {
    flex-shrink: 0;
}

.privacy-section {
    padding: 80px 0;
    background: var(--color-bg-light);
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
}

.privacy-content h3 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.privacy-content h4 {
    font-size: 1.2rem;
    font-weight: 400;
    margin: 30px 0 15px;
    letter-spacing: 1px;
    color: var(--color-secondary);
}

.privacy-content p {
    line-height: 2;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

/* ========================================
   レスポンシブ（追加ページ用）
   ======================================== */
@media (max-width: 992px) {
    section {
        padding: 60px 0;
    }

    .page-header {
        padding: 100px 0 50px;
    }

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

    .profile-grid,
    .access-grid,
    .featured-exhibition {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .profile-image img {
        height: 400px;
    }

    .vision-grid,
    .achievements-grid,
    .exhibitions-grid,
    .office-details,
    .company-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

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

    .past-exhibition-item {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .transport-method {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .visit-info-grid {
        grid-template-columns: 1fr;
    }

    /* 東京展覧会予告レスポンシブ */
    .tokyo-info-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tokyo-preview-content {
        padding: 40px 30px;
    }

    .tokyo-description {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    section {
        padding: 50px 0;
    }

    .page-header {
        padding: 90px 0 40px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .vision-grid,
    .achievements-grid,
    .exhibitions-grid,
    .office-details,
    .company-grid,
    .process-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    /* 東京展覧会予告モバイル */
    .tokyo-preview-image {
        height: 250px;
    }

    .tokyo-badge {
        top: 20px;
        right: 20px;
        padding: 15px 20px;
    }

    .badge-label {
        font-size: 1.2rem;
    }

    .badge-location {
        font-size: 1.5rem;
        letter-spacing: 5px;
    }

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

    .tokyo-subtitle {
        font-size: 1rem;
    }

    .tokyo-preview-content {
        padding: 30px 20px;
    }

    .notification-box {
        padding: 30px 20px;
    }

    .notification-box h4 {
        font-size: 1.2rem;
    }
}