/**
 * Gallery Page Styles
 * ギャラリーページのスタイル
 */

/* Page Header - Standard Section Style */
.page-header {
    padding: 5rem 0 3rem;
    background: #ffffff;
    color: #333;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

.page-header__content {
    max-width: 800px;
    margin: 0 auto;
}

.page-header__subtitle {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    color: #c41e3a;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.page-header__title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
    color: #2c3e50;
}

.page-header__description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

/* Gallery Filters */
.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    padding: 2rem 0;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid #c41e3a;
    background: transparent;
    color: #c41e3a;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: #c41e3a;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(196, 30, 58, 0.3);
}

/* Gallery Grid */
.gallery-grid-section {
    padding: 4rem 0;
    background: #f8f9fa;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.gallery-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.gallery-item__image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.gallery-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.gallery-item__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.5) 60%, rgba(0,0,0,0.2) 100%);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-item__overlay {
    opacity: 1;
}

.gallery-item__content {
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.gallery-item__title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
}

.gallery-item__description {
    font-size: 0.9rem;
    opacity: 1;
    margin-bottom: 1rem;
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.gallery-item__btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    color: #333;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.gallery-item__btn:hover {
    background: #c41e3a;
    color: white;
    transform: translateY(-1px);
}

/* Gallery Modal */
.gallery-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.gallery-modal.active {
    display: flex;
}

.gallery-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.gallery-modal__content {
    position: relative;
    background: white;
    border-radius: 16px;
    overflow: hidden;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.gallery-modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.gallery-modal__close:hover {
    background: white;
    transform: scale(1.1);
}

.gallery-modal__image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    min-height: 400px;
}

.gallery-modal__image img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
}

.gallery-modal__info {
    padding: 2rem;
    background: white;
}

.gallery-modal__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.gallery-modal__description {
    color: #666;
    line-height: 1.6;
}

.gallery-modal__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    pointer-events: none;
}

.gallery-modal__prev,
.gallery-modal__next {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    pointer-events: all;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.gallery-modal__prev:hover,
.gallery-modal__next:hover {
    background: white;
    transform: scale(1.1);
}

/* CTA Section - Standard Style */
.cta-section {
    padding: 5rem 0;
    background: #f8f9fa;
    color: #333;
    text-align: center;
    border-top: 1px solid #e0e0e0;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-secondary {
    background: transparent;
    border: 2px solid #c41e3a;
    color: #c41e3a;
}

.btn-secondary:hover {
    background: #c41e3a;
    color: white;
}

/* Filter Animation */
.gallery-item {
    transition: all 0.3s ease;
}

.gallery-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.gallery-item.visible {
    opacity: 1;
    transform: scale(1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-header {
        padding: 4rem 0 2rem;
    }
    
    .page-header__title {
        font-size: 2rem;
    }
    
    .page-header__description {
        font-size: 1rem;
    }
    
    .gallery-filters {
        padding: 1rem 0;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .gallery-item__image {
        height: 200px;
    }
    
    .gallery-modal {
        padding: 1rem;
    }
    
    .gallery-modal__content {
        max-height: 95vh;
    }
    
    .gallery-modal__info {
        padding: 1rem;
    }
    
    .cta-title {
        font-size: 1.8rem;
    }
    
    .cta-subtitle {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
    }
}