/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 0.8;
}

/* メインコンテンツ */
main {
    margin-top: 80px;
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* セクション共通 */
.gallery-section,
.about-section,
.contact-section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
    font-weight: 300;
}

/* ギャラリー */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    background: white;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: white;
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
    transform: translateY(0);
}

.gallery-item-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.gallery-item-description {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* About セクション */
.about-section {
    background: white;
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
    color: #666;
}

/* Contact セクション */
.contact-section {
    background: #f8f9fa;
}

.contact-text {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
    text-align: center;
    color: #666;
}

/* モーダル */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    margin: 2% auto;
    padding: 20px;
    width: 90%;
    max-width: 1000px;
    background: white;
    border-radius: 12px;
    animation: slideIn 0.3s ease;
}

.close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: #aaa;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
}

.close:hover {
    color: #333;
}

.modal-image {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 8px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

.modal-info {
    padding: 1.5rem 0;
    text-align: center;
}

.modal-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.modal-description {
    color: #666;
    font-size: 1rem;
}

/* 警告モーダル */
.warning-modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
}

.warning-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.warning-content h3 {
    color: #e74c3c;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.warning-content p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.warning-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
}

.warning-btn:hover {
    background: #2980b9;
}

/* フッター */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* アニメーション */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateY(-50px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: 15px;
    }
    
    .gallery-item img {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .gallery-section,
    .about-section,
    .contact-section {
        padding: 2rem 0;
    }
}

/* ダウンロード防止 */
img {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    pointer-events: none;
}

.gallery-item {
    pointer-events: auto;
}

/* 印刷防止 */
@media print {
    body {
        display: none;
    }
}


/* ページナビゲーション */
.page-navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 2rem;
}

.page-nav-btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.page-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.page-indicator {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* ナビゲーションのアクティブ状態 */
.nav-link.active {
    opacity: 1;
    font-weight: 600;
    text-decoration: underline;
}

/* フッターナビゲーション */
.footer .page-navigation {
    margin-top: 1rem;
    justify-content: center;
}

.footer-nav-link {
    color: #ccc;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-nav-link.active {
    color: white;
    font-weight: 600;
}

.footer-separator {
    color: #666;
    margin: 0 0.5rem;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .page-navigation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .page-nav-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .page-navigation {
        gap: 0.8rem;
    }
    
    .page-indicator {
        font-size: 0.9rem;
    }
}



/* Contact Actions Styles */
.contact-actions {
    margin-top: 2rem;
    text-align: center;
}

.contact-form-link {
    display: inline-block;
    background: linear-gradient(135deg, #8b5cf6, #ec4899);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.contact-form-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
    text-decoration: none;
    color: white;
}

.contact-email {
    margin-top: 1rem;
    color: #666;
    font-size: 1rem;
}

.contact-email a {
    color: #8b5cf6;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-email a:hover {
    color: #ec4899;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .contact-form-link {
        display: block;
        margin: 1rem auto;
        max-width: 280px;
    }
}