/* --------------------------------------------------------------
# Gallery Page
-------------------------------------------------------------- */
.works-controls {
    margin-bottom: 3rem;
}

/* 案2: 同行統合レイアウト */
.unified-controls {
    display: flex;
    justify-content: space-between;
    align-items: flex-start; /* 上揃えに変更 */
    gap: 1rem;
    flex-wrap: wrap;
}

.works-filters {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-start;
    align-items: center; /* ボタンを垂直方向に中央揃え */
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    margin-top: -0.25rem; /* フィルターボタンとの高さ差を調整 */
}

.sort-label {
    font-size: 0.95rem; /* form-selectと同じサイズに */
    color: var(--warm-gray);
    font-weight: 500;
    letter-spacing: 0.05em;
    white-space: nowrap;
    line-height: 1.5;
    padding: 0.75rem 0; /* form-selectと同じ上下padding */
}

/* レスポンシブ: モバイル */
@media (max-width: 767px) {
    .unified-controls {
        flex-direction: column; /* 縦並びに変更 */
        gap: 0.5rem; /* 上下余白を縮小 */
    }

    .works-filters {
        width: 100%;
        display: grid; /* グリッドレイアウトに変更 */
        grid-template-columns: repeat(3, 1fr); /* 3カラム */
        gap: 0; /* ボタン間の余白なし */
        justify-content: center;
        margin-bottom: 0; /* 下部余白削除 */
    }

    .works-filters .filter-btn {
        width: 100%; /* ボタン幅を100%に */
        text-align: center;
        border-radius: 0; /* 角丸を削除して四角に */
        border: 1px solid rgba(218, 198, 170, 0.3); /* ボーダーを追加 */
        margin: 0; /* マージン削除 */
        padding: 0.85rem 0.5rem; /* パディング調整 */
        font-size: 0.8rem; /* フォントサイズ縮小 */
    }

    .sort-controls {
        width: 100%;
        justify-content: flex-end; /* 右寄せに変更 */
        margin: 0; /* 上下マージン削除 */
        padding: 0; /* パディング削除 */
    }

    .sort-label {
        display: none;
    }

    .sort-controls .form-select {
        max-width: 200px; /* モバイルでは幅を調整 */
        font-size: 0.85rem;
        padding: 0.65rem 2.5rem 0.65rem 1.25rem;
    }
}

.sort-controls .form-select {
    max-width: 220px;
    border: none;
    border-radius: 30px;
    padding: 0.75rem 3rem 0.75rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: #5a4a3a;
    letter-spacing: 0.03em;

    /* エレガントなグラデーション背景 */
    background: linear-gradient(135deg,
        rgba(218, 198, 170, 0.15) 0%,
        rgba(242, 235, 220, 0.25) 100%);

    /* 洗練されたボーダー */
    box-shadow:
        0 0 0 1px rgba(218, 198, 170, 0.3),
        0 4px 12px rgba(218, 198, 170, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);

    /* カスタムアロー */
    background-image:
        linear-gradient(135deg, rgba(218, 198, 170, 0.15) 0%, rgba(242, 235, 220, 0.25) 100%),
        url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23c9a86a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat, no-repeat;
    background-position: left center, right 1.25rem center;

    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.sort-controls .form-select:hover {
    background: linear-gradient(135deg,
        rgba(218, 198, 170, 0.25) 0%,
        rgba(242, 235, 220, 0.35) 100%);
    box-shadow:
        0 0 0 1px rgba(201, 168, 106, 0.5),
        0 6px 20px rgba(218, 198, 170, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.sort-controls .form-select:focus {
    outline: none;
    background: linear-gradient(135deg,
        rgba(218, 198, 170, 0.3) 0%,
        rgba(242, 235, 220, 0.4) 100%);
    box-shadow:
        0 0 0 2px rgba(201, 168, 106, 0.6),
        0 8px 24px rgba(218, 198, 170, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.sort-controls .form-select option {
    background: #ffffff;
    color: #5a4a3a;
    padding: 0.5rem;
}

/* 3Dアニメーション用のパースペクティブ設定 */
.works-container {
    perspective: 1200px;
    perspective-origin: center;
}

.works-grid-item {
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

.works-grid-item.hide {
    opacity: 0;
    transform: scale(0.8);
    display: none;
}

.works-link {
    text-decoration: none;
    color: inherit;
}

.works-date {
    font-size: 0.8rem;
    opacity: 0.8;
}

.gallery-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-top: 1rem;
}

.works-category-badge {
    background: var(--primary-beige);
    color: var(--cream-white);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* ===============================================================
   Index Page Only - Enhanced Features (旧 gallery-enhanced.css)
   ※ gallery/index.html 専用のリッチアニメーション機能
   ※ works*.html では使用しません
=============================================================== */

/* --- Container Query Setup --- */
.works-container {
    container-type: inline-size;
    container-name: gallery;
}

/* --- Gallery Item: Core Styles --- */
.works-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--light-gray);
    aspect-ratio: 1;

    /* Remove all border-radius */
    border-radius: 0 !important;

    /* Performance optimizations */
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
    contain: layout style paint;

    /* Enhanced hover transition */
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);

    /* Professional box shadow */
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.06),
        0 1px 2px rgba(0, 0, 0, 0.08);
}

.works-item:hover {
    /* 3D lift effect */
    transform: translateY(-8px) scale(1.02);
    z-index: 20;

    /* Multi-layered shadow for depth */
    box-shadow:
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 12px 30px rgba(58, 54, 51, 0.2),
        0 4px 8px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(200, 184, 161, 0.1);
}

/* --- Gallery Item: Image Enhancement --- */
.works-item img {
    width: 100%;
    object-fit: cover;
    object-position: center;

    /* Force 1:1 aspect ratio for thumbnails */
    aspect-ratio: 1 / 1;
    display: block;

    /* Override Bootstrap .img-fluid to prevent aspect ratio collapse */
    max-width: 100% !important;
    height: 100% !important;

    /* Enhanced transition with multiple properties */
    transition:
        transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        filter 0.5s ease;

    /* Remove any border-radius inheritance */
    border-radius: 0;
}

.works-item:hover img {
    /* Image scaling with graying effect for text visibility */
    transform: scale(1.08);
    filter:
        grayscale(0.4)
        brightness(0.7)
        contrast(1.1);
}

/* --- Gallery Item: Overlay & Gradient --- */
.works {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    /* Enhanced dark gradient background for better text visibility */
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.3) 20%,
        rgba(0, 0, 0, 0.8) 70%,
        rgba(0, 0, 0, 0.9) 100%
    );

    /* Backdrop blur for modern effect */
    backdrop-filter: blur(2px);
    opacity: 0;
    transition:
        opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
        backdrop-filter 0.4s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: 2rem 1.5rem;
    text-align: center;
}

.works-item:hover .works {
    opacity: 1;
    backdrop-filter: blur(4px);
}

/* --- Gallery Item: Content Container --- */
.works-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    position: relative;
}

/* --- Gallery Item: Viewfinder Effect (Camera Corners + Link Icon) --- */
/* 2025-12-03: 4隅のL字コーナー + 中央リンクアイコン */

/* ファインダーオーバーレイコンテナ */
.viewfinder-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 15;
}

/* 4隅のコーナーブラケット */
.vf-corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border-color: rgba(255, 255, 255, 0.9);
    border-style: solid;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* 左上 */
.vf-tl {
    top: 15px;
    left: 15px;
    border-width: 2px 0 0 2px;
}

/* 右上 */
.vf-tr {
    top: 15px;
    right: 15px;
    border-width: 2px 2px 0 0;
}

/* 左下 */
.vf-bl {
    bottom: 15px;
    left: 15px;
    border-width: 0 0 2px 2px;
}

/* 右下 */
.vf-br {
    bottom: 15px;
    right: 15px;
    border-width: 0 2px 2px 0;
}

/* 中央のリンクアイコン */
.vf-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.vf-center i {
    color: #fff;
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

/* ホバー時のファインダー表示 */
.works-item:hover .vf-corner {
    opacity: 1;
    transition-delay: 0.15s;
}

.works-item:hover .vf-center {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    transition-delay: 0.1s;
}

.works-item:hover .vf-center i {
    transform: translate(2px, -2px);
}

/* コーナーのホバーアニメーション（外側に広がる） */
.works-item:hover .vf-tl {
    transform: translate(-4px, -4px);
}
.works-item:hover .vf-tr {
    transform: translate(4px, -4px);
}
.works-item:hover .vf-bl {
    transform: translate(-4px, 4px);
}
.works-item:hover .vf-br {
    transform: translate(4px, 4px);
}

/* フォーカス時もファインダー表示 */
.works-item:focus-visible .vf-corner {
    opacity: 1;
}
.works-item:focus-visible .vf-center {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* --- Gallery Item: Title (Staggered Animation) --- */
.works-title {
    color: var(--cream-white);
    font-size: 1.375rem;
    font-weight: 500;
    margin: 0;
    text-shadow:
        0 2px 8px rgba(0, 0, 0, 0.8),
        0 1px 3px rgba(0, 0, 0, 0.9);

    /* Staggered animation */
    transform: translateY(20px);
    opacity: 0;
    transition:
        transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55),
        opacity 0.4s ease;
}

.works-item:hover .works-title {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.1s;
}

/* --- Gallery Item: Category (Staggered Animation) --- */
.works-category {
    color: var(--soft-gold);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 0;
    text-shadow:
        0 1px 4px rgba(0, 0, 0, 0.8),
        0 0 2px rgba(0, 0, 0, 0.9);

    /* Staggered animation */
    transform: translateY(20px);
    opacity: 0;
    transition:
        transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55),
        opacity 0.4s ease;
}

.works-item:hover .works-category {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.2s;
}

/* --- Gallery Item: Interactive Icon --- */
.gallery-icon {
    font-size: 1.25rem;
    color: var(--cream-white);
    background: rgba(200, 184, 161, 0.9);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.5rem;

    /* Icon animation */
    transform: translateY(20px) rotate(-45deg) scale(0.8);
    opacity: 0;
    transition:
        transform 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55),
        opacity 0.4s ease,
        background-color 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.works-item:hover .gallery-icon {
    transform: translateY(0) rotate(0deg) scale(1);
    opacity: 1;
    transition-delay: 0.3s;
}

.works-item:hover .gallery-icon:hover {
    background: var(--primary-beige);
    transform: translateY(0) rotate(0deg) scale(1.1);
}

/* --- Gallery Item: Decorative Border Animation --- */
.works-item::before {
    content: "";
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    background: linear-gradient(45deg,
    var(--primary-beige),
    transparent,
    var(--soft-gold),
    transparent,
    var(--primary-beige))
        border-box;
    background-clip: border-box;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: subtract;
    opacity: 0;
    transform: scale(0.95);
    transition:
        opacity 0.4s ease,
        transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 1;
}

.works-item:hover::before {
    opacity: 0.6;
    transform: scale(1);
}

/* --- Gallery Item: Radial Gradient Pulse Effect --- */
.works-item::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle,
    rgba(200, 184, 161, 0.3) 0%,
    rgba(200, 184, 161, 0.1) 50%,
    transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition:
        width 0.6s cubic-bezier(0.25, 0.8, 0.25, 1),
        height 0.6s cubic-bezier(0.25, 0.8, 0.25, 1),
        opacity 0.6s ease;
    pointer-events: none;
    z-index: 2;
}

.works-item:hover::after {
    width: 200%;
    height: 200%;
    opacity: 1;
    transition-delay: 0.2s;
}

/* --- Gallery Item: Link Styling & Focus States --- */
.works-item[href] {
    text-decoration: none;
    color: inherit;
}

.works-item[href]:focus-visible {
    outline: 3px solid var(--primary-beige);
    outline-offset: 3px;
}

/* Keyboard Navigation Enhancement */
.works-item:focus-visible .works {
    opacity: 1;
    backdrop-filter: blur(4px);
}

.works-item:focus-visible .works-title,
.works-item:focus-visible .works-category,
.works-item:focus-visible .gallery-icon {
    transform: translateY(0);
    opacity: 1;
}

/* --- Container Query Responsive Adjustments --- */
@container gallery (max-width: 479px) {
    .works-item {
        aspect-ratio: 1;
        min-height: 150px;
    }

    .works {
        padding: 1rem;
    }

    .works-title {
        font-size: 1.125rem;
    }

    .gallery-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}

@container gallery (min-width: 1200px) {
    .works-title {
        font-size: 1.5rem;
    }

    .works-category {
        font-size: 1rem;
    }

    .gallery-icon {
        width: 45px;
        height: 45px;
        font-size: 1.375rem;
    }
}

/* --- Performance Optimization for Mobile --- */
@media (width <= 768px) {
    .works-item:hover {
        transform: translateY(-4px) scale(1.01);
    }

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

/* --- Accessibility: Reduced Motion Support --- */
@media (prefers-reduced-motion: reduce) {
    .works-item,
    .works-item img,
    .works,
    .works-title,
    .works-category,
    .gallery-icon,
    .works-item::before,
    .works-item::after {
        animation: none !important;
        transition: none !important;
    }

    .works-item:hover .works {
        opacity: 1;
    }

    .works-item:hover .works-title,
    .works-item:hover .works-category,
    .works-item:hover .gallery-icon {
        transform: translateY(0);
        opacity: 1;
    }
}

/* --- Accessibility: High Contrast Mode --- */
@media (prefers-contrast: high) {
    .works {
        background: rgba(0, 0, 0, 0.8);
    }

    .works-title {
        color: #fff;
    }

    .works-category {
        color: #ff0;
    }
}

/* --- Print Styles --- */
@media print {
    .works-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .works {
        display: none;
    }
}

/* ===============================================================
   End of Index Page Enhanced Features
=============================================================== */

/* --------------------------------------------------------------
# Gallery Detail Page
-------------------------------------------------------------- */
.gallery-description {
    padding: 2rem 0;
}

.photo-grid .photo-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-radius: 10px;
}

.photo-grid .main-photo {
    height: 600px;
}

.photo-grid .photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.photo-overlay i {
    font-size: 2rem;
    color: var(--cream-white);
}

.photo-item:hover .photo-overlay {
    opacity: 1;
}

.detail-card {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 15px;
}

.detail-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.nav-link-gallery {
    color: var(--warm-gray);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link-gallery:hover {
    color: var(--primary-beige);
}

.gallery-cta {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: 15px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    animation: zoom 0.3s;
}

@keyframes zoom {
    from { transform: scale(0.8); }
    to { transform: scale(1); }
}

.close-lightbox {
    position: absolute;
    top: 15px;
    right: 35px;
    color: var(--cream-white);
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

.close-lightbox:hover {
    color: var(--primary-beige);
}

.lightbox .prev,
.lightbox .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 30px;
    transition: 0.3s;
    user-select: none;
}

.lightbox .next {
    right: 0;
}

.lightbox .prev {
    left: 0;
}

.lightbox .prev:hover,
.lightbox .next:hover {
    background-color: rgba(200, 184, 161, 0.2);
}

.lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: var(--cream-white);
    padding: 10px 0;
}

/* フルスクリーンギャラリー */
.works-detail-container {
    min-height: 100vh;
    position: relative;
}

/* カスタムナビゲーション */
#navbar {
    background: transparent;
    transition: all 0.3s ease;
}

#navbar.scrolled {
    background: rgba(253, 252, 250, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
}

.works-detail-container #navbar:not(.scrolled) .navbar-brand img {
    filter: brightness(0) invert(1);
}

.works-detail-container #navbar:not(.scrolled) .navbar-nav .nav-link {
    color: var(--cream-white) !important;
}

.works-detail-container #navbar:not(.scrolled) .btn-nav-cta {
    background: rgba(200, 184, 161, 0.9);
    border: 1px solid var(--cream-white);
    color: var(--cream-white);
}

/* メインビジュアル */
.works-hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--charcoal);
}

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

.works-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.works-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
    rgba(58, 54, 51, 0.3) 0%, 
    rgba(58, 54, 51, 0.1) 50%,
    rgba(58, 54, 51, 0.7) 100%);
    z-index: 2;
}

.works-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--cream-white);
    padding: 2rem;
    animation: slideUp 1s ease 0.5s forwards;
    opacity: 0;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.works-hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.works-hero-meta {
    display: flex;
    gap: 2rem;
    justify-content: center;
    align-items: center;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.works-hero-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* フォトグリッドセクション */
.photo-grid-section {
    background: var(--cream-white);
    padding: 0;
    position: relative;
}

.photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 3px;
    background: var(--light-gray);
    padding: 3px;
}

.photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--cream-white);
}

.photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.large {
    grid-column: span 8;
    grid-row: span 2;
    height: 80vh;
}

.photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.medium {
    grid-column: span 4;
    height: 40vh;
}

.photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.tall {
    grid-column: span 4;
    grid-row: span 2;
    height: 80vh;
}

.photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.wide {
    grid-column: span 6;
    height: 50vh;
}

.photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.square {
    grid-column: span 3;
    height: 35vh;
}

.photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.photo-overlay-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
    rgba(200, 184, 161, 0.1) 0%,
    rgba(200, 184, 161, 0.4) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.photo-grid-item:hover .photo-overlay-hover {
    opacity: 1;
}

.photo-overlay-hover i {
    font-size: 2.5rem;
    color: var(--cream-white);
    background: var(--primary-beige);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* フォト詳細セクション */
.photo-details-section {
    background: var(--light-gray);
    padding: 5rem 0;
    position: relative;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.detail-content h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
    color: var(--charcoal);
}

.detail-content .lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--soft-brown);
    margin-bottom: 2rem;
    font-weight: 300;
}

.detail-content p {
    color: var(--warm-gray);
    line-height: 1.9;
}

.detail-list {
    list-style: none;
    background: var(--cream-white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
}

.detail-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.detail-list li:last-child {
    border-bottom: none;
}

.detail-list strong {
    color: var(--primary-beige);
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* フルスクリーンスライダー */
.fullscreen-slider-section {
    height: 100vh;
    position: relative;
    overflow: hidden;
    background: var(--charcoal);
}

.swiper-fullscreen {
    height: 100%;
    width: 100%;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-button-next,
.swiper-button-prev {
    color: var(--cream-white);
    width: 50px;
    height: 50px;
    background: rgba(200, 184, 161, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: var(--primary-beige);
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 1rem;
}

.swiper-pagination-bullet {
    background: var(--cream-white);
    opacity: 0.5;
    width: 10px;
    height: 10px;
}

.swiper-pagination-bullet-active {
    background: var(--primary-beige);
    opacity: 1;
}

.slider-caption {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--cream-white);
    z-index: 10;
    width: 90%;
    max-width: 600px;
}

.slider-caption h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
}

.slider-caption p {
    font-size: 0.95rem;
    opacity: 0.8;
    font-family: var(--font-accent);
}

/* CTA セクション */
.works-cta-section {
    background: var(--cream-white);
    padding: 5rem 0;
    text-align: center;
}

.works-cta-section .cta-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 300;
    color: var(--charcoal);
}

.works-cta-section .cta-description {
    font-size: 1.1rem;
    color: var(--warm-gray);
    margin-bottom: 2rem;
}

/* ネクストプロジェクト */
.next-project-section {
    height: 70vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    cursor: pointer;
    transition: all 0.3s ease;
}

.next-project-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.next-project-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    opacity: 0.8;
}

.next-project-section:hover .next-project-bg img {
    transform: scale(1.05);
    opacity: 0.9;
}

.next-project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
    rgba(200, 184, 161, 0.1) 0%,
    rgba(58, 54, 51, 0.8) 100%);
    z-index: 1;
}

.next-project-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--cream-white);
}

.next-project-content span {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.8;
    color: var(--soft-gold);
}

.next-project-content h3 {
    font-family: var(--font-display);
    font-size: 3rem;
    margin: 1rem 0;
    font-weight: 300;
    letter-spacing: 0.1em;
}

.next-project-arrow {
    font-size: 2rem;
    margin-top: 1rem;
    animation: slideRight 1s ease-in-out infinite;
    color: var(--soft-gold);
}

@keyframes slideRight {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

/* スクロールインジケーター */
.scroll-indicator-works {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

.scroll-indicator-works::before {
    content: "";
    display: block;
    width: 20px;
    height: 30px;
    border: 1px solid var(--cream-white);
    border-radius: 10px;
    position: relative;
}

.scroll-indicator-works::after {
    content: "";
    display: block;
    width: 3px;
    height: 8px;
    background: var(--cream-white);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 16px; }
}

/* レスポンシブ */
@media (width <= 991px) {
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) {
        grid-template-columns: repeat(6, 1fr);
    }

    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.large {
        grid-column: span 6;
        height: 60vh;
    }

    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.medium,
    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.tall {
        grid-column: span 3;
        height: 40vh;
    }

    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.wide {
        grid-column: span 6;
        height: 40vh;
    }

    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.square {
        grid-column: span 2;
        height: 30vh;
    }
}

@media (width <= 767px) {
    .works-hero-content h1 {
        font-size: 2rem;
    }

    .works-hero-meta {
        flex-direction: column;
        gap: 1rem;
    }

    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) {
        grid-template-columns: 1fr;
        gap: 2px;
    }

    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item,
    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.large,
    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.medium,
    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.tall,
    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.wide,
    .photo-grid-container:not(.wedding-hero-gallery):not(.layout-vertical-2col):not(.layout-vertical-3col):not(.layout-vertical-masonry):not(.layout-vertical-masonry-4col):not(.layout-vertical-aligned) .photo-grid-item.square {
        grid-column: span 1;
        grid-row: span 1;
        height: 50vh;
    }

    .swiper-button-next,
    .swiper-button-prev {
        display: none;
    }

    .next-project-content h3 {
        font-size: 2rem;
    }
}

/* ========================================
   Wedding Hero Gallery - Masonry Grid Layout
   ======================================== */

/* Masonry-style grid with varied sizes */
.wedding-hero-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 150px; /* Smaller base unit for better control */
    grid-auto-flow: dense; /* Fill gaps automatically */
    gap: 8px;
    background: var(--light-gray);
    padding: 8px;
    width: 100%;
    max-width: 100%;
}

/* Base item styles */
.wedding-hero-gallery .photo-grid-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--cream-white);
}

/* Large: 2x3 grid cells - メイン画像 */
.wedding-hero-gallery .photo-grid-item.large {
    grid-column: span 2;
    grid-row: span 3;
}

/* Medium: 1x2 grid cells - 標準サイズ */
.wedding-hero-gallery .photo-grid-item.medium {
    grid-column: span 1;
    grid-row: span 2;
}

/* Tall: 1x4 grid cells - 縦長 */
.wedding-hero-gallery .photo-grid-item.tall {
    grid-column: span 1;
    grid-row: span 4;
}

/* Wide: 2x3 grid cells - 横長 */
.wedding-hero-gallery .photo-grid-item.wide {
    grid-column: span 2;
    grid-row: span 3;
}

/* Square: 1x2 grid cells - 正方形寄り */
.wedding-hero-gallery .photo-grid-item.square {
    grid-column: span 1;
    grid-row: span 2;
}

/* Images fill container with object-fit */
.wedding-hero-gallery .photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.6s ease;
}

/* 顔位置調整ユーティリティクラス（大画面での顔切れ対策） */
.photo-grid-item.face-top img {
    object-position: center top;
}

.photo-grid-item.face-top-20 img {
    object-position: center 20%;
}

.photo-grid-item.face-top-30 img {
    object-position: center 30%;
}

.photo-grid-item.face-bottom img {
    object-position: center bottom;
}

/* Tablet: 3 columns */
@media (width <= 991px) {
    .wedding-hero-gallery {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 140px;
        grid-auto-flow: dense;
        gap: 6px;
        padding: 6px;
    }

    .wedding-hero-gallery .photo-grid-item.large {
        grid-column: span 2;
        grid-row: span 2;
    }

    .wedding-hero-gallery .photo-grid-item.medium {
        grid-column: span 1;
        grid-row: span 2;
    }

    .wedding-hero-gallery .photo-grid-item.tall {
        grid-column: span 1;
        grid-row: span 2;
    }

    .wedding-hero-gallery .photo-grid-item.wide {
        grid-column: span 2;
        grid-row: span 2;
    }

    .wedding-hero-gallery .photo-grid-item.square {
        grid-column: span 1;
        grid-row: span 2;
    }
}

/* Mobile: 2 columns for variety */
@media (width <= 767px) {
    .wedding-hero-gallery {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 120px;
        grid-auto-flow: dense;
        gap: 4px;
        padding: 4px;
    }

    .wedding-hero-gallery .photo-grid-item.large {
        grid-column: span 2;
        grid-row: span 2;
    }

    .wedding-hero-gallery .photo-grid-item.medium,
    .wedding-hero-gallery .photo-grid-item.tall,
    .wedding-hero-gallery .photo-grid-item.wide,
    .wedding-hero-gallery .photo-grid-item.square {
        grid-column: span 1;
        grid-row: span 2;
    }
}

/* Gallery Detail Lightbox Styles */
.works-detail-lightbox {
    display: none;
    position: fixed;
    z-index: 99999;
    padding: 0;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.95);
}

.works-detail-lightbox-content {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 50px;
}

.works-detail-lightbox-content img {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    animation: lightboxZoom 0.3s ease;
}

@keyframes lightboxZoom {
    from { 
        opacity: 0;
        transform: scale(0.9); 
    }

    to { 
        opacity: 1;
        transform: scale(1); 
    }
}

.works-detail-lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: var(--cream-white);
    font-size: 40px;
    font-weight: 300;
    transition: all 0.3s ease;
    cursor: pointer;
    z-index: 100001;
    line-height: 1;
}

.works-detail-lightbox-close:hover {
    color: var(--primary-beige);
    transform: scale(1.1);
}

.works-detail-lightbox-nav {
    cursor: pointer;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cream-white);
    font-weight: 300;
    font-size: 30px;
    transition: all 0.3s ease;
    user-select: none;
    z-index: 100001;
    background: rgba(200, 184, 161, 0.1);
    border-radius: 50%;
}

.works-detail-lightbox-prev {
    left: 20px;
}

.works-detail-lightbox-next {
    right: 20px;
}

.works-detail-lightbox-nav:hover {
    background: var(--primary-beige);
    color: var(--cream-white);
}

.works-detail-lightbox-counter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--cream-white);
    font-size: 1rem;
    letter-spacing: 0.1em;
    z-index: 100001;
}

/* タッチデバイス対応 */
@media (width <= 767px) {
    .works-detail-lightbox-content {
        padding: 20px;
    }
    
    .works-detail-lightbox-close {
        top: 10px;
        right: 15px;
        font-size: 30px;
    }
    
    .works-detail-lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .works-detail-lightbox-prev {
        left: 10px;
    }
    
    .works-detail-lightbox-next {
        right: 10px;
    }
    
    .works-detail-lightbox-content img {
        max-width: 100%;
        max-height: 85vh;
    }
}

/* ====================================================================
   縦画像向けレイアウト試作セクション
   ==================================================================== */

/* ----------------------------------------------------------------
   案1: 4カラム縦長グリッド（推奨）
   縦写真の魅力を最大限に引き出す、バランスの良いレイアウト
   ---------------------------------------------------------------- */
.layout-vertical-2col {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4カラムに変更 */
    grid-auto-rows: 180px; /* 基準単位を調整 */
    grid-auto-flow: dense;
    gap: 10px;
    background: var(--light-gray);
    padding: 10px;
    width: 100%;
    max-width: 100%;
}

/* 基本スタイル - 2カラム用 */
.layout-vertical-2col .photo-grid-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--cream-white);
}

/* サイズバリエーション - 4カラム用 */
.layout-vertical-2col .photo-grid-item.tall {
    grid-column: span 1;
    grid-row: span 4; /* 720px - 縦長を強調 */
}

.layout-vertical-2col .photo-grid-item.medium {
    grid-column: span 1;
    grid-row: span 3; /* 540px */
}

.layout-vertical-2col .photo-grid-item.wide {
    grid-column: span 2;
    grid-row: span 3; /* 540px */
}

.layout-vertical-2col .photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.layout-vertical-2col .photo-grid-item:hover img {
    transform: scale(1.05);
}

/* レスポンシブ: タブレットは3カラム */
@media (width <= 991px) {
    .layout-vertical-2col {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 160px;
        gap: 8px;
        padding: 8px;
    }

    .layout-vertical-2col .photo-grid-item.tall {
        grid-row: span 4;
    }

    .layout-vertical-2col .photo-grid-item.medium {
        grid-row: span 3;
    }

    .layout-vertical-2col .photo-grid-item.wide {
        grid-column: span 2;
        grid-row: span 3;
    }
}

/* レスポンシブ: モバイルは2カラム */
@media (width <= 767px) {
    .layout-vertical-2col {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 120px;
        gap: 4px;
        padding: 4px;
    }

    .layout-vertical-2col .photo-grid-item.tall {
        grid-row: span 4;
    }

    .layout-vertical-2col .photo-grid-item.medium {
        grid-row: span 3;
    }

    .layout-vertical-2col .photo-grid-item.wide {
        grid-column: span 2;
        grid-row: span 2;
    }
}

/* ----------------------------------------------------------------
   案2: 4カラム バランス型
   縦横のバランスを保ちながら、適度な密度感を実現
   ---------------------------------------------------------------- */
.layout-vertical-3col {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4カラムに変更 */
    grid-auto-rows: 180px; /* 基準単位180px */
    grid-auto-flow: dense;
    gap: 8px;
    background: var(--light-gray);
    padding: 8px;
    width: 100%;
    max-width: 100%;
}

/* 基本スタイル - 3カラム用 */
.layout-vertical-3col .photo-grid-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--cream-white);
}

/* サイズバリエーション - 3カラム用 */
.layout-vertical-3col .photo-grid-item.tall {
    grid-column: span 1;
    grid-row: span 4; /* 720px */
}

.layout-vertical-3col .photo-grid-item.medium {
    grid-column: span 1;
    grid-row: span 3; /* 540px */
}

.layout-vertical-3col .photo-grid-item.wide {
    grid-column: span 2;
    grid-row: span 3; /* 540px */
}

.layout-vertical-3col .photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.layout-vertical-3col .photo-grid-item:hover img {
    transform: scale(1.05);
}

/* レスポンシブ: タブレットは3カラム */
@media (width <= 991px) {
    .layout-vertical-3col {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 160px;
        gap: 6px;
        padding: 6px;
    }

    .layout-vertical-3col .photo-grid-item.tall {
        grid-row: span 4;
    }

    .layout-vertical-3col .photo-grid-item.medium {
        grid-row: span 3;
    }

    .layout-vertical-3col .photo-grid-item.wide {
        grid-column: span 2;
        grid-row: span 3;
    }
}

/* レスポンシブ: モバイルは2カラム */
@media (width <= 767px) {
    .layout-vertical-3col {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 120px;
        gap: 4px;
        padding: 4px;
    }

    .layout-vertical-3col .photo-grid-item.tall {
        grid-row: span 4;
    }

    .layout-vertical-3col .photo-grid-item.medium {
        grid-row: span 3;
    }

    .layout-vertical-3col .photo-grid-item.wide {
        grid-column: span 2;
        grid-row: span 2;
    }
}

/* ----------------------------------------------------------------
   案3: 縦方向マソンリー（Pinterest型）
   画像本来の縦横比を保持した、最も自然なマソンリーレイアウト
   ---------------------------------------------------------------- */
.layout-vertical-masonry {
    column-count: 3;
    column-gap: 10px;
    background: var(--light-gray);
    padding: 10px;
    width: 100%;
    max-width: 100%;
}

.layout-vertical-masonry .photo-grid-item {
    display: inline-block;
    width: 100%;
    margin-bottom: 10px;
    break-inside: avoid; /* 画像が分割されないように */
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}

.layout-vertical-masonry .photo-grid-item img {
    width: 100%;
    height: auto; /* 本来のアスペクト比を保持 */
    display: block;
    transition: transform 0.6s ease;
}

.layout-vertical-masonry .photo-grid-item:hover img {
    transform: scale(1.05);
}

/* オーバーレイはグリッドレイアウトと同じスタイルを継承 */
.layout-vertical-masonry .photo-overlay-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.layout-vertical-masonry .photo-grid-item:hover .photo-overlay-hover {
    opacity: 1;
}

.layout-vertical-masonry .photo-overlay-hover i {
    color: white;
    font-size: 2rem;
}

/* レスポンシブ: タブレット */
@media (width <= 991px) {
    .layout-vertical-masonry {
        column-count: 2;
        column-gap: 8px;
        padding: 8px;
    }

    .layout-vertical-masonry .photo-grid-item {
        margin-bottom: 8px;
    }
}

/* レスポンシブ: モバイル */
@media (width <= 767px) {
    .layout-vertical-masonry {
        column-count: 1;
        column-gap: 0;
        padding: 6px;
    }

    .layout-vertical-masonry .photo-grid-item {
        margin-bottom: 6px;
    }
}

/* ----------------------------------------------------------------
   案4: 縦方向マソンリー 4カラム版（大画面最適化）
   大画面では4カラム、画像本来の縦横比を保持した自然なレイアウト
   ---------------------------------------------------------------- */
.layout-vertical-masonry-4col {
    column-count: 4; /* 大画面では4カラム */
    column-gap: 10px;
    background: var(--light-gray);
    padding: 10px;
    width: 100%;
    max-width: 100%;
}

.layout-vertical-masonry-4col .photo-grid-item {
    display: inline-block;
    width: 100%;
    margin-bottom: 10px;
    break-inside: avoid; /* 画像が分割されないように */
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}

.layout-vertical-masonry-4col .photo-grid-item img {
    width: 100%;
    height: auto; /* 本来のアスペクト比を保持 */
    display: block;
    transition: transform 0.6s ease;
}

.layout-vertical-masonry-4col .photo-grid-item:hover img {
    transform: scale(1.05);
}

/* オーバーレイ */
.layout-vertical-masonry-4col .photo-overlay-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.layout-vertical-masonry-4col .photo-grid-item:hover .photo-overlay-hover {
    opacity: 1;
}

.layout-vertical-masonry-4col .photo-overlay-hover i {
    color: white;
    font-size: 2rem;
}

/* レスポンシブ: タブレット（3カラムに縮小） */
@media (width <= 991px) {
    .layout-vertical-masonry-4col {
        column-count: 3;
        column-gap: 8px;
        padding: 8px;
    }

    .layout-vertical-masonry-4col .photo-grid-item {
        margin-bottom: 8px;
    }
}

/* レスポンシブ: モバイル（1カラムに縮小） */
@media (width <= 767px) {
    .layout-vertical-masonry-4col {
        column-count: 1;
        column-gap: 0;
        padding: 6px;
    }

    .layout-vertical-masonry-4col .photo-grid-item {
        margin-bottom: 6px;
    }
}

/* ----------------------------------------------------------------
   案5: 4カラム上下完全整列型
   固定行数により、セクションの上下がピッタリ揃う
   ---------------------------------------------------------------- */
.layout-vertical-aligned {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4カラム */
    grid-template-rows: repeat(4, 180px); /* 固定4行 = 720px（上下を揃える） */
    grid-auto-flow: dense; /* 隙間を自動で埋める */
    gap: 10px;
    background: var(--light-gray);
    padding: 10px;
    width: 100%;
    max-width: 100%;
}

/* 基本スタイル */
.layout-vertical-aligned .photo-grid-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--cream-white);
}

/* サイズバリエーション - 固定行数内で配置 */
.layout-vertical-aligned .photo-grid-item.tall {
    grid-column: span 1;
    grid-row: span 4; /* 4行全て = 720px */
}

.layout-vertical-aligned .photo-grid-item.medium {
    grid-column: span 1;
    grid-row: span 2; /* 2行 = 360px */
}

.layout-vertical-aligned .photo-grid-item.wide {
    grid-column: span 2;
    grid-row: span 2; /* 2列×2行 = 360px */
}

.layout-vertical-aligned .photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.layout-vertical-aligned .photo-grid-item:hover img {
    transform: scale(1.05);
}

/* レスポンシブ: タブレットは3カラム、3行 */
@media (width <= 991px) {
    .layout-vertical-aligned {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(3, 160px); /* 固定3行 = 480px */
        gap: 8px;
        padding: 8px;
    }

    .layout-vertical-aligned .photo-grid-item.tall {
        grid-row: span 3; /* 3行全て */
    }

    .layout-vertical-aligned .photo-grid-item.medium {
        grid-row: span 2;
    }

    .layout-vertical-aligned .photo-grid-item.wide {
        grid-column: span 2;
        grid-row: span 2;
    }
}

/* レスポンシブ: モバイルは2カラム、4行 */
@media (width <= 767px) {
    .layout-vertical-aligned {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, 120px); /* 固定4行 = 480px */
        gap: 4px;
        padding: 4px;
    }

    .layout-vertical-aligned .photo-grid-item.tall {
        grid-row: span 4; /* 4行全て */
    }

    .layout-vertical-aligned .photo-grid-item.medium {
        grid-row: span 2;
    }

    .layout-vertical-aligned .photo-grid-item.wide {
        grid-column: span 2;
        grid-row: span 2;
    }
}

/* ========================================
   Pagination Styles
   ======================================== */

.pagination-custom {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagination-item {
    margin: 0;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 48px;
    height: 48px;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 24px;
    background: linear-gradient(135deg,
        rgba(218, 198, 170, 0.1) 0%,
        rgba(242, 235, 220, 0.15) 100%);
    color: #5a4a3a;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* 洗練された影 */
    box-shadow:
        0 0 0 1px rgba(218, 198, 170, 0.2),
        0 2px 8px rgba(218, 198, 170, 0.1);
}

.pagination-btn:hover:not(:disabled) {
    background: linear-gradient(135deg,
        rgba(218, 198, 170, 0.2) 0%,
        rgba(242, 235, 220, 0.3) 100%);
    box-shadow:
        0 0 0 1px rgba(201, 168, 106, 0.4),
        0 4px 16px rgba(218, 198, 170, 0.2);
    transform: translateY(-2px);
}

.pagination-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination-number {
    min-width: 48px;
    padding: 0.75rem;
    justify-content: center;
}

.pagination-number.active {
    background: linear-gradient(135deg,
        rgba(201, 168, 106, 0.9) 0%,
        rgba(218, 198, 170, 0.8) 100%);
    color: #ffffff;
    box-shadow:
        0 0 0 1px rgba(201, 168, 106, 0.6),
        0 4px 16px rgba(201, 168, 106, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.pagination-number.active:hover {
    transform: translateY(-2px);
    box-shadow:
        0 0 0 1px rgba(201, 168, 106, 0.7),
        0 6px 20px rgba(201, 168, 106, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.pagination-prev,
.pagination-next {
    font-size: 0.9rem;
}

.pagination-prev i,
.pagination-next i {
    font-size: 1.1rem;
}

.pagination-info {
    color: var(--warm-gray);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.03em;
}

/* レスポンシブ: モバイル */
@media (max-width: 768px) {
    .pagination-custom {
        gap: 0.25rem;
    }

    .pagination-btn {
        min-width: 40px;
        height: 40px;
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }

    .pagination-number {
        min-width: 40px;
        padding: 0.5rem;
    }

    .pagination-prev span,
    .pagination-next span {
        display: none;
    }

    .pagination-prev,
    .pagination-next {
        min-width: 40px;
        padding: 0.5rem;
    }
}

/* --------------------------------------------------------------
# Gallery Detail - Photo Details Section
-------------------------------------------------------------- */
.detail-info a {
    color: #5a4a3a;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.detail-info a:hover {
    color: #3d2f24;
    text-decoration: underline;
}