/* ============================================
   事例データベース検索ページ専用CSS
   whitepaper-pillar.css のデザイントークン踏襲
   ============================================ */

/* --- 変数・トークン --- */
:root {
    --color-navy: #1a3b5d;
    --color-navy-dark: #0f2d52;
    --color-blue: #3498db;
    --color-brand: #205EA4;
    --color-orange: #e67e22;
    --color-orange-dark: #d35400;
    --color-text: #333;
    --color-text-light: #555;
    --color-text-muted: #666;
    --color-bg: #fff;
    --color-bg-light: #f8fbff;
    --color-bg-alt: #f4f6f9;
    --color-border: #eee;
    --color-border-dark: #ddd;
    --font-body: "Noto Sans JP", "Yu Gothic Medium", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    --font-heading: "Poppins", "Noto Sans JP", sans-serif;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 35px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- ヒーローセクション --- */
.db-hero {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-brand) 50%, var(--color-blue) 100%);
    color: #fff;
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.db-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    animation: heroGlow 8s ease-in-out infinite;
}

@keyframes heroGlow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(5%, 5%); }
}

.db-hero h1 {
    font-family: var(--font-heading);
    font-size: 2.2em;
    font-weight: 700;
    margin: 0 0 15px;
    line-height: 1.4;
    position: relative;
    border: none;
    padding: 0;
    color: #fff;
}

.db-hero .hero-count {
    font-family: var(--font-heading);
    font-size: 3.5em;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    display: block;
    margin-bottom: 5px;
    line-height: 1;
}

.db-hero .hero-count span {
    font-size: 0.4em;
    font-weight: 400;
    opacity: 0.8;
}

.db-hero .hero-sub {
    font-size: 1.1em;
    opacity: 0.85;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    position: relative;
}

/* --- 統計バー --- */
.db-stats-bar {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 25px 20px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.db-stat-item {
    text-align: center;
}

.db-stat-number {
    font-family: var(--font-heading);
    font-size: 1.6em;
    font-weight: 700;
    color: var(--color-brand);
    display: block;
}

.db-stat-label {
    font-size: 0.85em;
    color: var(--color-text-muted);
}

/* --- フィルターセクション --- */
.db-filter-section {
    background: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    padding: 25px 30px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.db-filter-inner {
    max-width: 1164px;
    margin: 0 auto;
}

.db-filter-row {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.db-filter-group {
    flex: 1;
    min-width: 180px;
}

.db-filter-group label {
    display: block;
    font-size: 0.8em;
    font-weight: 700;
    color: var(--color-text-muted);
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.db-filter-group select {
    width: 100%;
    padding: 10px 35px 10px 12px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95em;
    color: var(--color-text);
    background-color: var(--color-bg);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.db-filter-group select:focus {
    border-color: var(--color-blue);
    outline: none;
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.1);
}

.db-filter-group select:not([value=""]):not(:invalid) {
    border-color: var(--color-blue);
    background-color: #f0f7ff;
}

.db-filter-actions {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding-top: 18px;
}

.db-btn-reset {
    padding: 10px 20px;
    border: 2px solid var(--color-border-dark);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text-light);
    font-family: var(--font-body);
    font-size: 0.9em;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.db-btn-reset:hover {
    border-color: var(--color-blue);
    color: var(--color-brand);
    background: #f0f7ff;
}

/* --- 件数表示 --- */
.db-results-header {
    max-width: 1164px;
    margin: 0 auto;
    padding: 20px 30px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.db-results-count {
    font-size: 1em;
    color: var(--color-text-light);
}

.db-results-count strong {
    font-family: var(--font-heading);
    font-size: 1.4em;
    color: var(--color-brand);
}

/* --- カードグリッド --- */
.db-card-grid {
    max-width: 1164px;
    margin: 0 auto;
    padding: 10px 30px 40px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

/* --- 事例カード --- */
.db-card {
    background: var(--color-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.db-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-blue);
}

.db-card-header {
    padding: 20px 22px 12px;
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(135deg, #f8fbff, #fff);
}

.db-card-no {
    font-family: var(--font-heading);
    font-size: 0.75em;
    font-weight: 700;
    color: var(--color-blue);
    opacity: 0.7;
    display: block;
    margin-bottom: 6px;
    letter-spacing: 0.1em;
}

.db-card-title {
    font-size: 1.05em;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.db-card-body {
    padding: 15px 22px;
    flex: 1;
}

.db-card-summary {
    font-size: 0.88em;
    color: var(--color-text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.db-card-budget {
    margin-top: 10px;
    padding: 6px 12px;
    background: linear-gradient(135deg, #fffbf0, #fff5e6);
    border: 1px solid #f5d5b5;
    border-radius: 6px;
    font-size: 0.82em;
    font-weight: 600;
    color: var(--color-orange-dark);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.db-card-budget i {
    font-size: 0.9em;
    opacity: 0.8;
}

.db-card-footer {
    padding: 12px 22px 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.db-tag {
    display: inline-block;
    font-size: 0.72em;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
    white-space: nowrap;
}

.db-tag-industry {
    background: #eef4fa;
    color: var(--color-brand);
    border: 1px solid #d0e0f0;
}

.db-tag-category {
    background: #fdf2e9;
    color: var(--color-orange-dark);
    border: 1px solid #f5d5b5;
}

.db-tag-purpose {
    background: #eafaf1;
    color: #1e8449;
    border: 1px solid #b8e6cc;
}

/* --- 詳細パネル（モーダル） --- */
.db-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 45, 82, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 20px;
    overflow-y: auto;
}

.db-modal-overlay.active {
    display: flex;
}

.db-modal {
    background: var(--color-bg);
    border-radius: var(--radius);
    max-width: 800px;
    width: 100%;
    box-shadow: 0 25px 60px rgba(0,0,0,0.2);
    animation: modalIn 0.3s ease;
    position: relative;
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.db-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--color-bg-alt);
    color: var(--color-text-light);
    font-size: 1.2em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.db-modal-close:hover {
    background: var(--color-navy);
    color: #fff;
}

.db-modal-header {
    padding: 30px 35px 20px;
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(135deg, #f8fbff, #fff);
    border-radius: var(--radius) var(--radius) 0 0;
}

.db-modal-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.db-modal-title {
    font-size: 1.4em;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.5;
    margin: 0;
}

.db-modal-body {
    padding: 25px 35px 30px;
}

.db-modal-summary {
    font-size: 0.95em;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

/* 施策カード */
.db-measure-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 18px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    transition: var(--transition);
}

.db-measure-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.db-measure-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.db-measure-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-navy), var(--color-blue));
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.85em;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.db-measure-category {
    font-weight: 700;
    color: var(--color-navy);
    font-size: 1.05em;
}

.db-measure-detail {
    font-size: 0.92em;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 15px;
}

.db-measure-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.db-measure-info-item {
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    padding: 12px 15px;
}

.db-measure-info-label {
    font-size: 0.75em;
    font-weight: 700;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.db-measure-info-value {
    font-size: 0.88em;
    line-height: 1.6;
    color: var(--color-text);
}

/* --- CTA セクション --- */
.db-cta-section {
    background: linear-gradient(135deg, #eef2f7, #f8fbff);
    padding: 60px 30px;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.db-cta-inner {
    max-width: 700px;
    margin: 0 auto;
}

.db-cta-section h2 {
    font-family: var(--font-heading);
    font-size: 1.8em;
    color: var(--color-navy);
    margin: 0 0 15px;
    line-height: 1.4;
    border: none;
    padding: 0;
}

.db-cta-section p {
    font-size: 1.05em;
    color: var(--color-text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.db-cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-orange), var(--color-orange-dark));
    color: #fff;
    padding: 18px 60px;
    font-size: 1.2em;
    font-weight: 700;
    font-family: var(--font-heading);
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(230, 126, 34, 0.4);
}

.db-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(230, 126, 34, 0.6);
    color: #fff;
}

/* --- ゼロ件表示 --- */
.db-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.db-no-results i {
    font-size: 3em;
    color: var(--color-border-dark);
    display: block;
    margin-bottom: 15px;
}

.db-no-results p {
    font-size: 1.1em;
    margin: 0 0 10px;
}

.db-no-results small {
    color: #999;
}

/* --- レスポンシブ --- */
@media (max-width: 1100px) {
    .db-card-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        padding: 10px 20px 40px;
    }
    .db-hero {
        padding: 40px 20px;
    }
    .db-hero h1 {
        font-size: 1.6em;
    }
    .db-hero .hero-count {
        font-size: 2.8em;
    }
}

@media (max-width: 768px) {
    .db-hero {
        padding: 30px 15px;
    }
    .db-hero h1 {
        font-size: 1.3em;
    }
    .db-hero .hero-count {
        font-size: 2.4em;
    }
    .db-filter-row {
        flex-direction: column;
    }
    .db-filter-group {
        min-width: 100%;
    }
    .db-filter-actions {
        padding-top: 5px;
        width: 100%;
    }
    .db-btn-reset {
        width: 100%;
    }
    .db-card-grid {
        grid-template-columns: 1fr;
        padding: 10px 15px 30px;
    }
    .db-stats-bar {
        gap: 15px;
    }
    .db-results-header {
        padding: 15px 15px 5px;
    }
    .db-modal-overlay {
        padding: 15px 10px;
    }
    .db-modal-header {
        padding: 20px 20px 15px;
    }
    .db-modal-title {
        font-size: 1.15em;
    }
    .db-modal-body {
        padding: 20px 20px 25px;
    }
    .db-measure-info {
        grid-template-columns: 1fr;
    }
    .db-cta-section {
        padding: 40px 15px;
    }
    .db-cta-section h2 {
        font-size: 1.4em;
    }
    .db-cta-button {
        display: block;
        padding: 16px 30px;
        font-size: 1.1em;
    }
}

/* --- 個別事例ページ --- */
.db-detail-article {
    max-width: 800px;
    margin: 0 auto;
}

.db-detail-header {
    padding: 40px 35px 30px;
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(135deg, #f8fbff, #fff);
}

.db-detail-header-inner {
    max-width: 800px;
    margin: 0 auto;
}

.db-detail-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.db-detail-title {
    font-family: var(--font-heading);
    font-size: 1.5em;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.5;
    margin: 0;
    border: none;
    padding: 0;
}

.db-detail-body {
    padding: 30px 35px 40px;
}

.db-detail-summary h2,
.db-detail-measures h2,
.db-detail-related h2 {
    font-family: var(--font-heading);
    font-size: 1.2em;
    font-weight: 700;
    color: var(--color-navy);
    margin: 0 0 20px;
    padding: 0 0 10px;
    border-bottom: 2px solid var(--color-border);
    border-left: none;
}

.db-detail-summary p {
    font-size: 0.95em;
    line-height: 1.9;
    color: var(--color-text);
    margin-bottom: 35px;
}

.db-detail-measures {
    margin-bottom: 35px;
}

.db-detail-related {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid var(--color-border);
}

.db-detail-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.db-detail-related-links .db-taxonomy-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-brand);
    text-decoration: none;
    font-size: 0.88em;
    transition: var(--transition);
}

.db-detail-related-links .db-taxonomy-item:hover {
    background: #eef4fa;
    border-color: var(--color-blue);
}

/* --- カテゴリヘッダー（フィルターページ） --- */
.db-category-header {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-brand) 100%);
    color: #fff;
    padding: 40px;
    text-align: center;
}

.db-category-header h1 {
    font-family: var(--font-heading);
    font-size: 1.8em;
    font-weight: 700;
    margin: 10px 0;
    color: #fff;
    border: none;
    padding: 0;
    line-height: 1.4;
}

.db-category-label {
    font-size: 0.85em;
    opacity: 0.7;
    letter-spacing: 0.1em;
}

.db-category-count {
    font-size: 1.1em;
    opacity: 0.85;
}

.db-category-count strong {
    font-family: var(--font-heading);
    font-size: 1.4em;
}

@media (max-width: 768px) {
    .db-detail-header {
        padding: 25px 20px 20px;
    }
    .db-detail-title {
        font-size: 1.2em;
    }
    .db-detail-body {
        padding: 20px 20px 30px;
    }
    .db-category-header {
        padding: 25px 15px;
    }
    .db-category-header h1 {
        font-size: 1.3em;
    }
}

/* ===================================================
   WordPress用: ヘッダー・フッター
   (Netlify版ではインラインスタイル＋テキストロゴだったため不要だった)
   =================================================== */

/* --- ヘッダー --- */
.simple-header {
    background: #fff;
    padding: 12px 20px;
    border-bottom: 1px solid #e8e8e8;
}

.header-container {
    max-width: 1164px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo a {
    display: inline-block;
    line-height: 0;
}

.header-logo img {
    height: 36px;
    width: auto;
}

/* --- ヘッダーナビ --- */
.header-nav {
    display: flex;
    gap: 20px;
}

.header-nav a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.85em;
    font-weight: 500;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: var(--color-brand);
}

/* --- フッター --- */
.simple-footer {
    background: var(--color-bg-alt);
    padding: 30px 20px;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer-logo {
    max-width: 180px;
    height: auto;
}

/* ===================================================
   WordPress用: Taxonomy ナビゲーション
   (Netlify版ではHTML内<style>に定義されていたが、
    case-database.css には転記されていなかった)
   =================================================== */

/* --- カテゴリ一覧グリッド --- */
.db-taxonomy-nav {
    max-width: 1164px;
    margin: 0 auto;
    padding: 30px;
}

.db-taxonomy-nav h2 {
    font-family: var(--font-heading);
    font-size: 1.3em;
    color: var(--color-navy);
    margin: 0 0 15px;
    border: none;
    padding: 0;
}

.db-taxonomy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-bottom: 30px;
}

.db-taxonomy-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.9em;
    transition: var(--transition);
}

.db-taxonomy-item:hover {
    border-color: var(--color-blue);
    background: #f0f7ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.db-taxonomy-item .count {
    font-family: var(--font-heading);
    font-size: 0.85em;
    color: var(--color-brand);
    font-weight: 700;
    margin-left: 8px;
}

/* --- 施策グループ分類 --- */
.db-category-group-label {
    font-size: 0.8em;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    display: block;
    padding-left: 2px;
}

/* --- レスポンシブ追加 --- */
@media (max-width: 768px) {
    .db-taxonomy-nav {
        padding: 20px 15px;
    }
    .db-taxonomy-grid {
        grid-template-columns: 1fr 1fr;
    }
    .header-logo img {
        height: 28px;
    }
    .footer-logo {
        max-width: 140px;
    }
}

/* --- パンくずナビ --- */
.db-breadcrumb {
    max-width: 1164px;
    margin: 0 auto;
    padding: 15px 30px 0;
    font-size: 0.85em;
    color: var(--color-text-muted);
}

.db-breadcrumb ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
}

.db-breadcrumb li {
    display: flex;
    align-items: center;
}

.db-breadcrumb li:not(:last-child)::after {
    content: "›";
    margin: 0 8px;
    color: #ccc;
    font-size: 1.1em;
}

.db-breadcrumb a {
    color: var(--color-brand);
    text-decoration: none;
    transition: color 0.2s;
}

.db-breadcrumb a:hover {
    color: var(--color-blue);
    text-decoration: underline;
}

.db-breadcrumb li[aria-current="page"] {
    color: var(--color-text);
    font-weight: 500;
}

/* --- 前後ナビゲーション --- */
.db-prev-next {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 30px 40px;
    display: flex;
    align-items: stretch;
    gap: 15px;
}

.db-prev-next-link {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 18px 20px;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--color-text);
    transition: var(--transition);
}

.db-prev-next-link.next {
    text-align: right;
    align-items: flex-end;
}

.db-prev-next-link:not(.disabled):hover {
    border-color: var(--color-blue);
    background: #f0f7ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.db-prev-next-link.disabled {
    opacity: 0;
    pointer-events: none;
}

.db-prev-next-arrow {
    font-size: 1.3em;
    color: var(--color-brand);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 4px;
}

.db-prev-next-label {
    font-size: 0.75em;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.db-prev-next-title {
    font-size: 0.85em;
    line-height: 1.5;
    color: var(--color-text-light);
}

.db-prev-next-home {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    flex-shrink: 0;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 1.2em;
    transition: var(--transition);
}

.db-prev-next-home:hover {
    border-color: var(--color-blue);
    background: #f0f7ff;
    color: var(--color-brand);
}

@media (max-width: 768px) {
    .db-breadcrumb {
        padding: 10px 15px 0;
        font-size: 0.8em;
    }
    .db-prev-next {
        padding: 0 15px 30px;
        gap: 8px;
    }
    .db-prev-next-link {
        padding: 14px 12px;
    }
    .db-prev-next-title {
        font-size: 0.78em;
    }
    .db-prev-next-home {
        width: 40px;
    }
}

/* ===================================================
   Netlify版準拠: 個別事例ページ（db-case-detail-*）
   =================================================== */

.db-case-detail {
    max-width: 860px;
    margin: 0 auto;
    padding: 30px;
}

.db-case-detail-header {
    margin-bottom: 30px;
}

.db-case-detail-no {
    font-family: var(--font-heading);
    font-size: 0.85em;
    font-weight: 700;
    color: var(--color-blue);
    display: block;
    margin-bottom: 8px;
    letter-spacing: 0.1em;
}

.db-case-detail-title {
    font-family: var(--font-heading);
    font-size: 1.6em;
    font-weight: 700;
    color: var(--color-navy);
    line-height: 1.5;
    margin: 0 0 15px;
}

.db-case-detail-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.db-case-detail-meta .db-tag {
    text-decoration: none;
    transition: var(--transition);
}

.db-case-detail-meta .db-tag:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.db-case-detail-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.db-case-detail-info-item {
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    padding: 15px 20px;
}

.db-case-detail-info-label {
    font-size: 0.75em;
    font-weight: 700;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.db-case-detail-info-value {
    font-size: 0.95em;
    color: var(--color-text);
    font-weight: 500;
}

/* --- 企業プロフィール（1行表示） --- */
.db-company-profile {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 12px 18px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-blue);
    margin-bottom: 30px;
    font-size: 0.88em;
    color: var(--color-text-light);
}

.db-company-profile > i {
    color: var(--color-brand);
    font-size: 0.9em;
    margin-right: 2px;
}

.db-company-profile .profile-label {
    font-weight: 700;
    color: var(--color-text-muted);
    margin-right: 4px;
}

.db-company-profile .profile-item {
    font-weight: 500;
    color: var(--color-text);
}

.db-company-profile .profile-sep {
    color: var(--color-border-dark);
    font-weight: 300;
}

.db-company-profile .profile-budget {
    color: var(--color-orange-dark);
    font-weight: 600;
}

.db-measures-section h2 {
    font-family: var(--font-heading);
    font-size: 1.3em;
    color: var(--color-navy);
    border-bottom: 2px solid var(--color-brand);
    padding-bottom: 10px;
    margin: 0 0 20px;
}

/* --- 関連事例リンク --- */
.db-related {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 30px 40px;
}

.db-related h3 {
    font-family: var(--font-heading);
    font-size: 1.15em;
    color: var(--color-navy);
    margin: 0 0 15px;
    border: none;
    padding: 0;
}

.db-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.db-related-link {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 25px;
    font-size: 0.85em;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.db-related-link.industry {
    background: #eef4fa;
    color: var(--color-brand);
    border: 1px solid #d0e0f0;
}

.db-related-link.same-industry {
    background: #f3eef9;
    color: #7d3c98;
    border: 1px solid #d5c4e0;
}

.db-related-link.category {
    background: #fdf2e9;
    color: var(--color-orange-dark);
    border: 1px solid #f5d5b5;
}

.db-related-link.purpose {
    background: #eff9f3;
    color: #1e8449;
    border: 1px solid #c3e6cb;
}

.db-related-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* --- SEOテキスト --- */
.db-seo-text {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 30px 30px;
    font-size: 0.92em;
    line-height: 1.9;
    color: var(--color-text-light);
}

.db-seo-text h2 {
    font-family: var(--font-heading);
    font-size: 1.2em;
    color: var(--color-navy);
    margin: 0 0 10px;
    border: none;
    padding: 0;
}

@media (max-width: 768px) {
    .db-case-detail {
        padding: 20px 15px;
    }
    .db-case-detail-title {
        font-size: 1.2em;
    }
    .db-case-detail-info {
        grid-template-columns: 1fr;
    }
    .db-related {
        padding: 0 15px 30px;
    }
}

/* --- Back to Top ボタン --- */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 48px;
    height: 48px;
    background: var(--color-brand);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2em;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background: var(--color-navy);
    transform: translateY(-3px);
}