/* =============================================
   Single Page CSS - 統合版
   ============================================= */

/* CSS Variables */
:root {
    --blog-primary: #0D384C;
    --blog-primary-light: #1a5a75;
    --blog-secondary: #2d5a6b;
    --blog-accent: #c4956a;
    --blog-accent-light: #e8d4c0;
    --blog-text: #333;
    --blog-text-light: #666;
    --blog-bg-light: #f8fafb;
    --blog-border: #e5e7eb;
    --blog-success: #059669;
    --blog-error: #dc2626;
    --blog-info: #2563eb;
    --blog-radius: 12px;
    --blog-shadow: 0 4px 24px rgba(13, 56, 76, 0.08);
    --blog-shadow-hover: 0 8px 32px rgba(13, 56, 76, 0.12);
}

/* ===================================
   基本スタイル
=================================== */
.single-post {
    font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.article-container,
.post_content {
    font-feature-settings: "palt";
    line-height: 1.9;
}

.article-container {
    margin: 0 auto;
}

/* ===================================
   見出し
=================================== */
.single-post h2,
.post_content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--blog-primary);
    margin: 88px 0 32px;
    padding: 20px 0 20px 24px;
    background: linear-gradient(90deg, var(--blog-bg-light) 0%, transparent 100%);
    border-left: 4px solid var(--blog-primary);
    border-bottom: none;
    border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
    position: relative;
    letter-spacing: 0.02em;
}

.single-post h2::before,
.post_content h2::after {
    display: none;
}

.single-post h3,
.post_content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--blog-primary);
    margin: 64px 0 24px;
    padding: 0 0 12px 0;
    border-left: none;
    border-bottom: 2px solid var(--blog-border);
    position: relative;
}

.post_content h3::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 48px;
    height: 2px;
    background: var(--blog-accent);
}

.single-post .post_content h4 {
    color: var(--blog-primary);
    margin-bottom: 8px;
    padding-left: 8px;
}

.single-post .post_content h4 + p {
    margin-bottom: 24px !important;
}

/* ===================================
   段落・リスト
=================================== */
.post_content > p {
    margin: 0 0 32px;
    font-size: 16px;
    line-height: 2.1;
    color: var(--blog-text);
}

.post_content > ul,
.post_content > ol {
    margin: 24px 0 32px;
    padding: 0 0 0 24px;
}

.post_content > ul li,
.post_content > ol li {
    margin-bottom: 12px;
    line-height: 1.9;
    font-size: 16px;
}

.post_content > ul li strong,
.post_content > ol li strong {
    color: var(--blog-primary);
}

/* ===================================
   ラベル（strongの代替）
=================================== */
.label {
    font-weight: 700;
    color: var(--blog-primary);
}

/* リスト内のラベル付きアイテム */
.labeled-list {
    list-style: none;
    padding: 0;
    margin: 24px 0 32px;
}

.labeled-list li {
    position: relative;
    padding: 16px 20px 16px 20px;
    margin-bottom: 12px;
    background: #fff;
    border: 1px solid var(--blog-border);
    border-left: 4px solid var(--blog-accent);
    border-radius: 0 8px 8px 0;
    line-height: 1.8;
    font-size: 16px;
}

.labeled-list li .label {
    display: block;
    font-weight: 700;
    color: var(--blog-primary);
    margin-bottom: 4px;
    font-size: 16px;
}

/* Definition List（ラベル＋説明リスト） */
.info-dl { margin: 32px 0; padding: 0; }
.info-dl dt {
    font-weight: 700; color: var(--blog-primary);
    padding: 16px 20px; font-size: 16px;
    border-left: 4px solid var(--blog-accent);
    background: var(--blog-bg-light);
}
.info-dl dd {
    margin: 0; padding: 4px 20px 16px 24px;
    font-size: 16px; line-height: 1.9; color: var(--blog-text);
    border-bottom: 1px solid var(--blog-border);
    background: #fff;
}
.info-dl dd:last-child { border-bottom: none; }

/* dd内の行揃え（ラベル＋金額など） */
.price-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
    padding: 2px 0;
}
.price-row .price-label {
    width: 11em;
    flex-shrink: 0;
    color: var(--blog-text-light);
    font-size: 16px;
}
.price-row .price-value {
    font-weight: 600;
    color: var(--blog-primary);
    white-space: nowrap;
    text-align: right;
}
.price-row.price-row-total {
    border-top: 2px solid var(--blog-primary);
    margin-top: 6px;
    padding-top: 6px;
}
.price-row.price-row-total .price-label {
    font-weight: 700;
    color: var(--blog-primary);
}
.price-row.price-row-total .price-value {
    font-weight: 700;
    font-size: 16px;
}
@media (max-width: 768px) {
    .price-row {
        flex-direction: column;
        gap: 2px;
        padding: 6px 0;
        border-bottom: 1px dashed var(--blog-border);
    }
    .price-row:last-child {
        border-bottom: none;
    }
    .price-row .price-label {
        width: auto;
        font-size: 16px;
    }
    .price-row .price-value {
        white-space: normal;
        text-align: left;
        font-size: 16px;
    }
}

/* PC: dt/dd 横並び */
@media (min-width: 769px) {
    .info-dl {
        display: grid;
        grid-template-columns: clamp(160px, 28%, 260px) 1fr;
    }
    .info-dl dt {
        padding: 16px 20px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--blog-border);
    }
    .info-dl dd {
        padding: 16px 20px 16px 24px;
    }
    .info-dl dt:last-of-type,
    .info-dl dd:last-of-type {
        border-bottom: none;
    }
}

/* Block Card 余白調整 */
.block-card.danger { margin-bottom: 32px; }
.block-card.danger:last-child { margin-bottom: 0; }

/* リスト2カラム */
.list-2col { columns: 2; column-gap: 24px; }
.list-2col li { break-inside: avoid; }
@media (max-width: 768px) { .list-2col { columns: 1; } }

/* パターンカードグリッド（2カラム） */
.pattern-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 32px 0;
}
.pattern-card {
    background: #fff;
    border: 1px solid var(--blog-border);
    border-top: 3px solid var(--blog-primary);
    padding: 20px 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.pattern-card .pattern-num {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: var(--blog-primary);
    padding: 2px 10px;
    border-radius: 4px;
    margin-bottom: 8px;
    margin-right: 4px;
}
.pattern-card .pattern-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--blog-primary);
    margin-bottom: 12px;
    margin-top: 12px;
    line-height: 1.5;
}
.pattern-card .pattern-cause,
.pattern-card .pattern-fix {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 8px;
    padding-left: 16px;
    position: relative;
}
.pattern-card .pattern-cause::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 10px;
    height: 10px;
    background: var(--blog-error);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E") center/10px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E") center/10px no-repeat;
}
.pattern-card .pattern-fix::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 10px;
    height: 10px;
    background: var(--blog-success);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/10px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/10px no-repeat;
}
.pattern-card .pattern-cause .pattern-label {
    font-weight: 700;
    color: var(--blog-error);
}
.pattern-card .pattern-fix .pattern-label {
    font-weight: 700;
    color: var(--blog-success);
}
.pattern-card .pattern-fix:last-child { margin-bottom: 0; }
@media (max-width: 768px) {
    .pattern-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .pattern-card { padding: 16px 20px; }
}

/* Culture card — 文化圏別カード */
.culture-card {
    margin: 32px 0;
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}
.culture-card .culture-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    background: var(--blog-primary);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
}
.culture-card .culture-header .culture-icon {
    font-size: 24px;
    flex-shrink: 0;
}
.culture-card .culture-body {
    padding: 24px;
}
.culture-card .culture-body > p:first-child {
    margin-top: 0;
    color: var(--blog-text-light);
    font-size: 16px;
    line-height: 1.8;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--blog-border);
    margin-bottom: 20px;
}
.culture-card .culture-item {
    margin-bottom: 20px;
    padding-left: 16px;
    border-left: 3px solid var(--blog-accent-light);
}
.culture-card .culture-item:last-child {
    margin-bottom: 0;
}
.culture-card .culture-item dt {
    font-weight: 700;
    font-size: 16px;
    color: var(--blog-primary);
    margin-bottom: 6px;
}
.culture-card .culture-item dd {
    margin: 0;
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
}
.culture-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 32px 0;
    align-items: stretch;
}
.culture-grid .culture-card {
    margin: 0;
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 2;
    gap: 0;
}
@media (max-width: 768px) {
    .culture-grid {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }
    .culture-grid .culture-card {
        display: block;
        grid-row: auto;
    }
    .culture-card .culture-header {
        font-size: 16px;
        padding: 14px 20px;
    }
    .culture-card .culture-body {
        padding: 20px;
    }
}

/* Template card — 多言語テンプレート */
.template-section {
    margin: 32px 0;
}
.template-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--blog-border);
    margin-bottom: 0;
}
.template-tab {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 700;
    color: var(--blog-text-light);
    background: var(--blog-bg-light);
    border: 1px solid var(--blog-border);
    border-bottom: none;
    border-radius: var(--blog-radius) var(--blog-radius) 0 0;
    margin-right: -1px;
    cursor: default;
}
.template-tab.active {
    background: #fff;
    color: var(--blog-primary);
    border-bottom: 2px solid #fff;
    margin-bottom: -2px;
    position: relative;
    z-index: 1;
}
.template-panel {
    background: #fff;
    border: 1px solid var(--blog-border);
    border-top: none;
    border-radius: 0 var(--blog-radius) var(--blog-radius) var(--blog-radius);
    padding: 24px;
}
.template-item {
    margin-bottom: 20px;
    padding: 0;
}
.template-item:last-child {
    margin-bottom: 0;
}
.template-item .template-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 16px;
    font-weight: 700;
    color: var(--blog-primary);
    background: var(--blog-bg-light);
    padding: 3px 12px;
    border-radius: 4px;
    margin-bottom: 8px;
}
.template-item .template-text {
    position: relative;
    margin: 0;
    padding: 16px 20px;
    background: var(--blog-bg-light);
    border-left: 3px solid var(--blog-accent);
    border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
    font-size: 16px;
    line-height: 1.8;
    color: var(--blog-text);
    font-style: italic;
}
.template-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.template-grid .template-mini {
    background: var(--blog-bg-light);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 16px;
}
.template-mini .template-lang {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: var(--blog-accent);
    padding: 2px 10px;
    border-radius: 12px;
    margin-bottom: 10px;
}
.template-mini .template-text {
    margin: 0;
    padding: 0;
    background: none;
    border-left: none;
    border-radius: 0;
    font-size: 16px;
    line-height: 1.7;
}
@media (max-width: 768px) {
    .template-grid {
        grid-template-columns: 1fr;
    }
    .template-tab {
        padding: 8px 14px;
        font-size: 16px;
    }
}

/* Season card — 季節別カード */
.season-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 32px 0;
    grid-template-rows: auto;
}
.season-card {
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 2;
    gap: 0;
}
.season-grid .season-card > h4 {
    padding: 14px 20px;
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: var(--blog-primary);
    line-height: 1.6;
    display: flex;
    align-items: center;
}
.season-card > p {
    padding: 16px 20px;
    margin: 0;
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
}
.season-card .season-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}
.season-card .season-header .season-icon {
    font-size: 22px;
    flex-shrink: 0;
}
.season-card.spring .season-header { background: #e8a0bf; }
.season-card.summer .season-header { background: #3ea8c8; }
.season-card.autumn .season-header { background: #d4883a; }
.season-card.winter .season-header { background: #6b8db5; }
.season-card .season-body {
    padding: 20px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
}
.season-card .season-body p {
    margin: 0;
}
.season-card .season-tag {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 12px;
    margin-bottom: 10px;
}
.season-card.spring .season-tag { background: #fce4f0; color: #c4608a; }
.season-card.summer .season-tag { background: #dff3f9; color: #2a8ba8; }
.season-card.autumn .season-tag { background: #faebd7; color: #b06e22; }
.season-card.winter .season-tag { background: #e3edf5; color: #4a6f8f; }
@media (max-width: 768px) {
    .season-grid {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }
    .season-card {
        display: block;
        grid-row: auto;
    }
}

/* Tip card — ポイントカード */
.tip-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin: 32px 0;
}
.tip-card {
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    padding: 24px 20px;
    text-align: center;
}
.tip-card .tip-icon {
    font-size: 36px;
    margin-bottom: 12px;
}
.tip-card .tip-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--blog-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}
.tip-card .tip-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--blog-text);
    text-align: left;
}
.tip-card .tip-body a {
    color: var(--blog-accent);
}
@media (max-width: 768px) {
    .tip-grid { grid-template-columns: 1fr; }
}

/* Checklist — チェックリストカード */
.checklist-card {
    margin: 24px 0;
    background: var(--blog-bg-light);
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 20px 24px;
}
.checklist-card .checklist-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--blog-primary);
    margin-bottom: 12px;
}
.checklist-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
.checklist-card ul li {
    position: relative;
    padding: 6px 0 6px 24px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--blog-text);
}
.checklist-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--blog-accent);
    font-weight: 700;
}

/* Checklist section — カテゴリ別チェックリスト */
.cl-section {
    margin: 32px 0;
}
.cl-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.cl-grid.col-3 {
    grid-template-columns: 1fr 1fr 1fr;
}
.cl-box {
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}
.cl-box .cl-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--blog-primary);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}
.cl-box .cl-header .cl-icon {
    font-size: 18px;
    flex-shrink: 0;
}
.cl-box .cl-header .cl-count {
    margin-left: auto;
    font-size: 16px;
    font-weight: 400;
    opacity: 0.8;
}
.cl-box .cl-list {
    padding: 16px 20px;
    margin: 0;
    list-style: none;
}
.cl-box .cl-list li {
    position: relative;
    padding: 8px 0 8px 28px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--blog-text);
    border-bottom: 1px dashed var(--blog-border);
}
.cl-box .cl-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.cl-box .cl-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 11px;
    width: 18px;
    height: 18px;
    border: 2px solid var(--blog-accent-light);
    border-radius: 4px;
    background: #fff;
}
.cl-box .cl-list li .cl-note {
    display: block;
    font-size: 16px;
    color: var(--blog-text-light);
    margin-top: 2px;
}
@media (max-width: 768px) {
    .cl-grid,
    .cl-grid.col-3 {
        grid-template-columns: 1fr;
    }
}

/* Alert box タイトル付き */
.alert-box p.has-title::before {
    content: attr(data-title);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}

.alert-info p.has-title::before {
    color: var(--blog-info);
}

.alert-info p.has-title::before {
    content: '';
    display: none;
}

.alert-info .alert-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--blog-info);
    margin-bottom: 12px;
}

.alert-info .alert-title::before {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--blog-info);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z'/%3E%3C/svg%3E") center/contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z'/%3E%3C/svg%3E") center/contain no-repeat;
    flex-shrink: 0;
}

/* Success alert リスト（ラベル付き） */
.alert-success .labeled-list {
    margin: 0;
    padding: 0;
}

.alert-success .labeled-list li {
    background: transparent;
    border: none;
    border-left: none;
    border-radius: 0;
    padding: 0 0 14px 28px;
    margin-bottom: 0;
}

.alert-success .labeled-list li:last-child {
    padding-bottom: 0;
}

.alert-success .labeled-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 16px;
    height: 16px;
    background: var(--blog-success);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/10px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/10px no-repeat;
}

.alert-success .labeled-list li .label {
    color: #047857;
}

/* blog-custom-numlist のラベル */
.blog-custom-numlist li .label {
    display: block;
    font-weight: 700;
    color: var(--blog-primary);
    margin-bottom: 4px;
    font-size: 16px;
}

/* ===================================
   ハイライトテキスト
=================================== */
.bb {
    background: linear-gradient(transparent 60%, var(--blog-accent-light) 60%);
    padding: 0 4px 2px;
    font-weight: 600;
    color: var(--blog-primary);
}

/* ===================================
   目次
=================================== */
#main_content .p-toc {
    margin: 4em 0;
    max-width: 100%;
}

@media (min-width: 960px) {
    #main_content .p-toc {
        width: 100%;
    }
}

ol.is-style-index ol>li:before,
ol.is-style-index>li:before {
    border-right: none;
}

/* ===================================
   Intro Alert
=================================== */
.intro-alert {
    background: linear-gradient(135deg, #fef2f2 0%, #fff5f5 100%);
    border: 1px solid rgba(220, 38, 38, 0.15);
    border-left: 4px solid var(--blog-error);
    /* border-radius: var(--blog-radius); */
    padding: 32px 36px;
    margin-bottom: 48px;
    box-shadow: 0 2px 12px rgba(220, 38, 38, 0.06);
    position: relative;
    overflow: hidden;
}

.intro-alert::before {
    content: '!';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    background: rgba(220, 38, 38, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    color: rgba(220, 38, 38, 0.15);
}

.intro-alert ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.intro-alert li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.8;
    color: #7f1d1d;
}

.intro-alert li:last-child {
    margin-bottom: 0;
}

.intro-alert li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 18px;
    height: 18px;
    background: var(--blog-error);
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 5h2v6h-2V7zm0 8h2v2h-2v-2z'/%3E%3C/svg%3E") center/contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 5h2v6h-2V7zm0 8h2v2h-2v-2z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ===================================
   Lead Text
=================================== */
.lead-text {
    font-size: 16px;
    color: var(--blog-text);
    border-bottom: none;
    padding: 32px;
    margin-bottom: 56px;
    background: linear-gradient(135deg, var(--blog-bg-light) 0%, #f1f5f9 100%);
    /* border-radius: var(--blog-radius); */
    border-top: 4px solid var(--blog-primary);
    box-shadow: var(--blog-shadow);
}

.lead-text p {
    margin: 0 0 16px;
    line-height: 2;
}

.lead-text p:last-child {
    margin-bottom: 0;
}

/* ===================================
   Alert Boxes
=================================== */
.alert-box {
    /* border-radius: var(--blog-radius); */
    padding: 28px 32px;
    margin: 36px 0;
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
    box-shadow: var(--blog-shadow);
}

.alert-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    border-radius: 4px 0 0 4px;
}

.alert-box ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.alert-box li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 14px;
    font-size: 16px;
    line-height: 1.8;
}

.alert-box li:last-child {
    margin-bottom: 0;
}

/* Error Alert */
.alert-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fff5f5 100%);
    border-color: rgba(220, 38, 38, 0.1);
}

.alert-error::before {
    background: linear-gradient(180deg, var(--blog-error) 0%, #b91c1c 100%);
}

.alert-error li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 16px;
    height: 16px;
    background: var(--blog-error);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E") center/10px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E") center/10px no-repeat;
}

/* Success Alert */
.alert-success {
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
    border-color: rgba(5, 150, 105, 0.1);
}

.alert-success::before {
    background: linear-gradient(180deg, var(--blog-success) 0%, #047857 100%);
}

.alert-success li {
    color: #065f46;
}

.alert-success li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 16px;
    height: 16px;
    background: var(--blog-success);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/10px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/10px no-repeat;
}

.alert-success li strong {
    color: #047857;
}

/* Info Alert */
.alert-info {
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
    border-color: rgba(37, 99, 235, 0.1);
}

.alert-info::before {
    background: linear-gradient(180deg, var(--blog-info) 0%, #1d4ed8 100%);
}

.alert-info p {
    margin: 0;
    font-size: 16px;
    line-height: 1.9;
    color: #1e40af;
}

.alert-info strong {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: var(--blog-info);
    margin-bottom: 12px;
}

.alert-info strong::before {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--blog-info);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z'/%3E%3C/svg%3E") center/contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z'/%3E%3C/svg%3E") center/contain no-repeat;
    flex-shrink: 0;
}

/* ===================================
   Numbered List (カード型)
=================================== */
.blog-custom-numlist {
    counter-reset: item;
    list-style: none;
    padding: 0 !important;
    padding-left: 0 !important;
    margin: 32px 0;
}

.blog-custom-numlist ol,
.blog-custom-numlist ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-custom-numlist li {
    position: relative;
    padding: 24px 24px 24px 72px;
    margin-bottom: 16px;
    counter-increment: item;
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.25s ease;
}

.blog-custom-numlist li:hover {
    box-shadow: var(--blog-shadow);
    border-color: var(--blog-accent);
    transform: translateX(4px);
}

.blog-custom-numlist li::before {
    content: counter(item);
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-secondary) 100%);
    color: white;
    font-size: 16px;
    font-weight: 700;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(13, 56, 76, 0.25);
}

.blog-custom-numlist li strong {
    color: var(--blog-primary);
    font-size: 16px;
}

/* ===================================
   テーブル
=================================== */
.scroll-box {
    overflow-x: auto;
    margin: 40px 0;
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-shadow);
    border: 1px solid var(--blog-border);
}

.scroll-box table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    font-size: 16px;
}

.scroll-box thead {
    background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-secondary) 100%);
}

.scroll-box thead th {
    padding: 18px 24px;
    color: #fff;
    font-weight: 600;
    text-align: left;
    font-size: 16px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.scroll-box tbody th {
    background: linear-gradient(135deg, var(--blog-bg-light) 0%, #f1f5f9 100%);
    padding: 18px 24px;
    font-weight: 600;
    text-align: left;
    color: var(--blog-primary);
    border-bottom: 1px solid var(--blog-border);
    white-space: nowrap;
}

.scroll-box tbody td {
    padding: 18px 24px;
    border-bottom: 1px solid var(--blog-border);
    color: var(--blog-text);
}

.scroll-box tbody tr:last-child th,
.scroll-box tbody tr:last-child td {
    border-bottom: none;
}

.scroll-box tbody tr {
    transition: background 0.2s ease;
}

.scroll-box tbody tr:hover td {
    background: rgba(196, 149, 106, 0.06);
}

/* ===================================
   Comparison Cards (tableを使わない比較表)
=================================== */
.comparison-cards {
    margin: 40px 0;
    border-radius: var(--blog-radius);
    overflow: hidden;
    box-shadow: var(--blog-shadow);
    border: 1px solid var(--blog-border);
}

.comparison-header,
.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
}

.comparison-header {
    background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-secondary) 100%);
}

.comparison-header .comparison-label,
.comparison-header .comparison-col {
    padding: 18px 20px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    text-align: center;
    letter-spacing: 0.03em;
}

.comparison-header .comparison-col.highlight {
    background: rgba(255, 255, 255, 0.1);
}

.comparison-row {
    background: #fff;
    border-bottom: 1px solid var(--blog-border);
    transition: background 0.2s ease;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:hover {
    background: rgba(196, 149, 106, 0.04);
}

.comparison-row .comparison-label {
    padding: 20px;
    font-weight: 600;
    color: var(--blog-primary);
    background: linear-gradient(135deg, var(--blog-bg-light) 0%, #f1f5f9 100%);
    display: flex;
    align-items: center;
    font-size: 16px;
}

.comparison-row .comparison-col {
    padding: 20px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--blog-text);
    display: flex;
    align-items: center;
    position: relative;
}

.comparison-row .comparison-col.negative {
    color: #991b1b;
    background: rgba(239, 68, 68, 0.03);
}

.comparison-row .comparison-col.negative::before {
    content: '×';
    margin-right: 8px;
    font-weight: 700;
    color: var(--blog-error);
    font-size: 16px;
}

.comparison-row .comparison-col.positive {
    color: #065f46;
    background: rgba(5, 150, 105, 0.03);
}

.comparison-row .comparison-col.positive::before {
    content: '○';
    margin-right: 8px;
    font-weight: 700;
    color: var(--blog-success);
    font-size: 16px;
}

/* Comparison Cards レスポンシブ */
@media (max-width: 768px) {
    .comparison-header {
        display: none;
    }

    .comparison-row {
        display: flex;
        flex-direction: column;
        border-bottom: 1px solid var(--blog-border);
        padding: 0;
    }

    .comparison-row .comparison-label {
        padding: 16px 20px;
        font-size: 16px;
        font-weight: 700;
        background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-secondary) 100%);
        color: #fff;
    }

    .comparison-row .comparison-col {
        padding: 16px 20px;
        border-bottom: 1px solid var(--blog-border);
    }

    .comparison-row .comparison-col:last-child {
        border-bottom: none;
    }

    .comparison-row .comparison-col::after {
        font-size: 16px;
        font-weight: 600;
        padding: 4px 8px;
        border-radius: 4px;
        margin-left: auto;
        flex-shrink: 0;
    }

    .comparison-row .comparison-col.negative::after {
        content: '自前';
        background: rgba(239, 68, 68, 0.1);
        color: #991b1b;
    }

    .comparison-row .comparison-col.positive::after {
        content: 'レンタル';
        background: rgba(5, 150, 105, 0.1);
        color: #065f46;
    }
}

/* ===================================
   CTA Box
=================================== */
.cta-box {
    background: linear-gradient(135deg, var(--blog-primary) 0%, #0a2c3d 50%, var(--blog-secondary) 100%);
    /* border-radius: 16px; */
    padding: 56px 48px;
    margin: 72px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(13, 56, 76, 0.3);
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(196, 149, 106, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.cta-box::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--blog-accent) 0%, transparent 50%, var(--blog-accent) 100%);
    border-radius: 18px;
    z-index: -1;
    opacity: 0.5;
}

.cta-box strong {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 22px;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
}

.cta-box strong i {
    font-size: 24px;
    color: var(--blog-accent);
}

.cta-box p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    margin: 0 auto;
    position: relative;
    line-height: 2;
    max-width: 600px;
}

.cta-box .cta-heading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
}

.cta-box .cta-heading i {
    font-size: 24px;
    color: var(--blog-accent);
}

/* ===================================
   テキスト内リンク（自然なインラインリンク）
=================================== */
/* ベーシック：シンプルな下線リンク */
.text-link {
    color: #1a6b8a;
    text-decoration: underline;
    text-decoration-color: rgba(26, 107, 138, 0.3);
    text-underline-offset: 3px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.text-link:hover {
    color: #0d4f6b;
    text-decoration-color: #0d4f6b;
}

/* 矢印付きリンク */
.text-link-arrow {
    color: #1a6b8a;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.text-link-arrow::after {
    content: ' →';
    font-size: 1em;
    transition: transform 0.2s ease;
    display: inline-block;
}

.text-link-arrow:hover {
    color: #0d4f6b;
}

.text-link-arrow:hover::after {
    transform: translateX(3px);
}

/* 強調リンク（背景ハイライト） */
.text-link-highlight {
    color: #1a6b8a;
    text-decoration: none;
    font-weight: 600;
    padding: 2px 6px;
    margin: 0 2px;
    background: linear-gradient(transparent 60%, rgba(26, 107, 138, 0.15) 60%);
    border-radius: 2px;
    transition: all 0.2s ease;
}

.text-link-highlight:hover {
    background: linear-gradient(transparent 60%, rgba(26, 107, 138, 0.25) 60%);
    color: #0d4f6b;
}

/* ボタン風インラインリンク */
.text-link-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #fff !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    padding: 6px 14px;
    background: var(--blog-primary);
    border-radius: 20px;
    transition: all 0.2s ease;
    vertical-align: middle;
}

.text-link-button:hover {
    background: var(--blog-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

/* 関連記事への誘導リンク */
.related-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--blog-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 4px 0;
    border-bottom: 1px dashed var(--blog-border);
    transition: all 0.2s ease;
}

.related-link::before {
    content: '▶';
    font-size: 1em;
    color: var(--blog-accent);
}

.related-link:hover {
    color: var(--blog-primary);
    border-bottom-style: solid;
    border-bottom-color: var(--blog-primary);
}

.cta-box .cta-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    padding: 16px 32px;
    background: #fff;
    color: var(--blog-primary) !important;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-box .cta-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    background: var(--blog-accent-light);
}

.cta-box .cta-link::after {
    content: '→';
    font-size: 18px;
    transition: transform 0.3s ease;
}

.cta-box .cta-link:hover::after {
    transform: translateX(4px);
}

/* CTA Box 複数リンク */
.cta-box .cta-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
}

.cta-box .cta-link-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    background: #fff;
    color: var(--blog-primary) !important;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-box .cta-link-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    background: var(--blog-accent-light);
}

.cta-box .cta-link-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    background: transparent;
    color: #fff !important;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    position: relative;
    transition: all 0.3s ease;
}

.cta-box .cta-link-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .cta-box .cta-heading {
        font-size: 18px;
        flex-direction: column;
        gap: 8px;
    }

    .cta-box .cta-link,
    .cta-box .cta-link-primary,
    .cta-box .cta-link-secondary {
        width: 100%;
        padding: 14px 24px;
        font-size: 16px;
    }

    .cta-box .cta-links {
        flex-direction: column;
    }
}

/* ===================================
   参考文献セクション
=================================== */
.reference-section {
    margin-top: 80px;
    padding: 32px;
    background: var(--blog-bg-light);
    /* border-radius: var(--blog-radius); */
    border: 1px solid var(--blog-border);
}

h2.reference-title,
.reference-section h2.reference-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 20px 0 !important;
    padding: 0 0 16px 0 !important;
    font-size: 16px;
    font-weight: 600;
    color: var(--blog-text-light);
    border: none !important;
    border-bottom: 1px solid var(--blog-border) !important;
    background: none !important;
}

.reference-section h2.reference-title i,
h2.reference-title i {
    color: var(--blog-accent);
}

.reference-list {
    list-style: decimal;
    padding-left: 20px;
    margin: 0;
}

.reference-list li {
    font-size: 16px;
    color: var(--blog-text-light);
    margin-bottom: 10px;
    line-height: 1.7;
}

.reference-list a {
    color: var(--blog-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.reference-list a:hover {
    color: var(--blog-accent);
}

.reference-list cite {
    font-style: normal;
    font-weight: 500;
}

.reference-item {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin: 0 0 0.6rem 0 !important;
    padding: 0 !important;
    font-size: 1rem;
    line-height: 1.7;
}

.reference-item:last-child {
    margin-bottom: 0 !important;
}

.ref-num {
    flex-shrink: 0;
    color: var(--blog-text-light);
    font-weight: 500;
}

.reference-item a {
    color: var(--blog-secondary);
    text-decoration: none;
    border-bottom: 1px dotted var(--blog-border);
    transition: all 0.2s ease;
}

.reference-item a:hover {
    color: var(--blog-accent);
    border-bottom-color: var(--blog-accent);
}

.reference-item a::after {
    content: "\f35d";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 1rem;
    margin-left: 0.4rem;
    opacity: 0.5;
}

/* ===================================
   CTAセクション（カード型）
=================================== */
/* ===================================
   Inline CTA — 記事中盤用バナー
=================================== */
.cta-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin: 48px 0;
    padding: 0;
    background: none;
    border-top: 1px solid var(--blog-border);
    border-bottom: 1px solid var(--blog-border);
}
.cta-inline-body {
    padding: 28px 0;
}
.cta-inline-text {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--blog-text);
    opacity: 0.7;
}
.cta-inline-button {
    display: inline-block;
    padding: 14px 36px;
    background: #3d8b6e;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    border-radius: 2px;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity 0.3s ease;
}
.cta-inline-button:hover {
    opacity: 0.85;
    color: #fff;
}
@media (max-width: 768px) {
    .cta-inline {
        flex-direction: column;
        gap: 16px;
        padding: 24px 0;
    }
    .cta-inline-body {
        padding: 0;
        text-align: center;
    }
    .cta-inline-button {
        width: 100%;
        text-align: center;
    }
}

/* ===================================
   CTA Section — 紺パネル × TEL/MAIL 二分割
=================================== */
.cta-section {
    margin: 80px 0 0;
    padding: 56px 56px 60px;
    background: #0e1a3a;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #c9a961 0%, #b08f4a 100%);
}

.cta-eyebrow {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 18px;
}
.cta-eyebrow__rule {
    width: 32px;
    height: 1px;
    background: #c9a961;
}
.cta-eyebrow__label {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.24em;
    color: #c9a961;
    text-transform: uppercase;
}

h2.cta-title {
    margin: 0 0 12px !important;
    padding: 0 !important;
    font-size: 26px;
    font-weight: 700;
    line-height: 1.45;
    color: #ffffff;
    text-align: left;
    border: none !important;
    background: none !important;
}

.cta-description {
    margin: 0 0 36px !important;
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.72);
    text-align: left;
    max-width: 560px;
}

.cta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: start;
    padding-top: 32px;
    border-top: 1px solid rgba(201, 169, 97, 0.25);
}

.cta-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}
.cta-block:first-child {
    padding-right: 40px;
}
.cta-block:last-child {
    padding-left: 40px;
    border-left: 1px solid rgba(201, 169, 97, 0.25);
}

.cta-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.32em;
    color: #c9a961;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.cta-tel {
    font-family: 'Montserrat', sans-serif;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #ffffff;
    text-decoration: none !important;
    line-height: 1.1;
    transition: color .25s ease;
}
.cta-tel:hover {
    color: #c9a961;
}

.cta-mail {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none !important;
    padding: 12px 0;
    border-bottom: 1px solid #c9a961;
    width: fit-content;
    line-height: 1.3;
    transition: color .25s ease;
}
.cta-mail:hover {
    color: #c9a961;
}
.cta-arrow {
    font-family: 'Montserrat', sans-serif;
    font-size: 18px;
    color: #c9a961;
    transition: transform .25s ease;
}
.cta-mail:hover .cta-arrow {
    transform: translateX(4px);
}

.cta-meta {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-top: 4px;
}

/* ===================================
   インラインCTA — 上下金色ヘアライン
=================================== */
.cta-inline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin: 56px 0;
    padding: 22px 4px;
    border-top: 1px solid #c9a961;
    border-bottom: 1px solid #c9a961;
}
.cta-inline__text {
    margin: 0 !important;
    font-size: 15px;
    font-weight: 600;
    color: #17224c;
    letter-spacing: 0.02em;
    line-height: 1.6;
}
.cta-inline__link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #c9a961;
    letter-spacing: 0.08em;
    text-decoration: none !important;
    background: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
    transition: color .25s ease;
}
.cta-inline__arrow {
    font-family: 'Montserrat', sans-serif;
    transition: transform .25s ease;
}
.cta-inline__link:hover {
    color: #b08f4a;
}
.cta-inline__link:hover .cta-inline__arrow {
    transform: translateX(4px);
}

/* ===================================
   カスタムブログカード
=================================== */
.custom-blogcard {
    display: flex;
    gap: 20px;
    padding: 20px;
    margin: 24px 0;
    border-radius: 14px;
    background: #ffffff;
    border: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
    position: relative;
    transition:
        box-shadow .25s ease,
        transform .25s ease,
        border-color .25s ease;
}

.custom-blogcard::before {
    content: "ARTICLE";
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 16px;
    letter-spacing: .08em;
    color: #888;
    background: #fff;
    padding: 0 8px;
}

.custom-blogcard:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, .08);
    border-color: #e5e5e5;
}

.custom-blogcard:hover .blogcard-title {
    text-decoration: none;
}

.blogcard-thumb {
    width: 180px;
    flex-shrink: 0;
}

.blogcard-thumb img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 10px;
}

.blogcard-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.blogcard-title {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: #111;
}

.blogcard-excerpt {
    font-size: 1rem;
    line-height: 1.7;
    color: #666;
}

/* ===================================
   レスポンシブ
=================================== */
@media (max-width: 768px) {
    .post_content h2,
    .single-post h2 {
        font-size: 20px;
        margin: 64px 0 28px;
        padding: 16px 0 16px 20px;
    }

    .post_content h3,
    .single-post h3 {
        font-size: 17px;
        margin: 48px 0 20px;
    }

    .intro-alert,
    .lead-text {
        padding: 24px;
    }

    .alert-box {
        padding: 24px;
    }

    .blog-custom-numlist li {
        padding: 20px 20px 20px 64px;
    }

    .blog-custom-numlist li::before {
        left: 16px;
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .cta-box {
        padding: 36px 24px;
        margin: 48px 0;
    }

    .cta-box strong {
        font-size: 18px;
        flex-direction: column;
        gap: 8px;
    }

    .scroll-box thead th,
    .scroll-box tbody th,
    .scroll-box tbody td {
        padding: 14px 16px;
        font-size: 16px;
    }

    .reference-section {
        padding: 24px;
    }

    .cta-section {
        padding: 40px 24px 44px;
        margin-top: 56px;
    }
    .cta-eyebrow {
        margin-bottom: 14px;
    }
    h2.cta-title {
        font-size: 20px;
    }
    .cta-description {
        font-size: 14px;
        margin-bottom: 28px !important;
    }
    .cta-grid {
        grid-template-columns: 1fr;
        gap: 0;
        padding-top: 28px;
    }
    .cta-block:first-child {
        padding-right: 0;
    }
    .cta-block:last-child {
        padding-left: 0;
        border-left: none;
        margin-top: 28px;
        padding-top: 28px;
        border-top: 1px solid rgba(201, 169, 97, 0.2);
    }
    .cta-tel {
        font-size: 26px;
    }
    .cta-mail {
        font-size: 16px;
    }

    .cta-inline {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        margin: 44px 0;
        padding: 18px 4px;
    }
    .cta-inline__text {
        font-size: 14px;
    }

    .custom-blogcard {
        flex-direction: column;
        padding: 16px;
    }

    .blogcard-thumb {
        width: 100%;
    }

    .blogcard-thumb img {
        height: auto;
    }

    .blogcard-title {
        font-size: 1rem;
    }
}

@media (max-width: 600px) {
    .reference-section {
        padding: 1.25rem 1rem;
    }

    .reference-item {
        font-size: 1rem;
    }
}

/* ===================================
   single-page.css 追記分
   - 以下をsingle-page.cssの末尾にコピペ
   - Experience Box / Pain Point Box / Summary Highlight
=================================== */

/* ===================================
   Experience Box（経験エピソード）
=================================== */
.experience-box {
    position: relative;
    margin: 48px 0;
    padding: 28px 28px 24px;
    background: #fff;
    border: 1px solid var(--blog-border);
    border-top: 3px solid var(--blog-accent);
    border-radius: 0 0 var(--blog-radius) var(--blog-radius);
    box-shadow: 0 2px 12px rgba(13, 56, 76, 0.06);
}

.experience-box::before {
    content: '\201C';
    position: absolute;
    top: 12px;
    right: 20px;
    font-size: 56px;
    line-height: 1;
    color: var(--blog-accent-light);
    font-family: Georgia, serif;
    pointer-events: none;
}

.experience-box .experience-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: var(--blog-accent);
    padding: 3px 12px;
    border-radius: 20px;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

.experience-box .experience-label::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 21c0 .55.45 1 1 1h4c.55 0 1-.45 1-1v-1H9v1zm3-19C8.14 2 5 5.14 5 9c0 2.38 1.19 4.47 3 5.74V17c0 .55.45 1 1 1h6c.55 0 1-.45 1-1v-2.26c1.81-1.27 3-3.36 3-5.74 0-3.86-3.14-7-7-7z'/%3E%3C/svg%3E") center/14px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 21c0 .55.45 1 1 1h4c.55 0 1-.45 1-1v-1H9v1zm3-19C8.14 2 5 5.14 5 9c0 2.38 1.19 4.47 3 5.74V17c0 .55.45 1 1 1h6c.55 0 1-.45 1-1v-2.26c1.81-1.27 3-3.36 3-5.74 0-3.86-3.14-7-7-7z'/%3E%3C/svg%3E") center/14px no-repeat;
}

.experience-box p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
    margin: 0;
    font-style: italic;
}

@media (max-width: 768px) {
    .experience-box {
        padding: 24px 20px 20px;
        margin: 40px 0;
    }
    .experience-box::before {
        font-size: 40px;
        top: 8px;
        right: 14px;
    }
}

/* ===================================
   Checklist Download Box
=================================== */
.checklist-download-box {
    position: relative;
    margin: 48px 0;
    padding: 36px 32px;
    background: #f0f6fb;
    border: 1px solid #d0e2ef;
    border-radius: 12px;
    text-align: center;
    overflow: hidden;
}

.checklist-download-box::after {
    content: '\f0c5';
    font-family: 'Font Awesome 6 Free', 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    right: -10px;
    transform: translateY(-50%);
    font-size: 140px;
    color: rgba(13, 56, 76, 0.03);
    pointer-events: none;
}

.checklist-download-box .checklist-download-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #5a8eab;
    border: 1px solid #b8d4e5;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.checklist-download-box .checklist-download-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--blog-heading, #1a1a1a);
    margin: 0 0 8px;
    line-height: 1.4;
}

.checklist-download-box .checklist-download-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #5a6a75;
    margin: 0 0 20px;
}

.checklist-download-box .checklist-download-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    background: #3a7ca5;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(58, 124, 165, 0.25);
}

.checklist-download-box .checklist-download-btn::after {
    content: '\f35d';
    font-family: 'Font Awesome 6 Free', 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 13px;
    transition: transform 0.2s;
}

.checklist-download-box .checklist-download-btn:hover {
    background: #2e6589;
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(58, 124, 165, 0.35);
    color: #fff;
}

.checklist-download-box .checklist-download-btn:hover::after {
    transform: translate(2px, -2px);
}

@media (max-width: 768px) {
    .checklist-download-box {
        padding: 28px 20px;
    }
    .checklist-download-box .checklist-download-title,
    .checklist-download-box .checklist-download-desc {
        text-align: left;
    }
    .checklist-download-box .checklist-download-title {
        font-size: 18px;
    }
    .checklist-download-box::after {
        font-size: 100px;
        right: -20px;
    }
    .checklist-download-box .checklist-download-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}

/* ===================================
   Pain Point Box（お悩みボックス）
=================================== */
.pain-point-box {
    margin: 48px 0;
    padding: 32px 36px;
    background: #fff;
    border: 1px solid var(--blog-border);
    /* border-radius: var(--blog-radius); */
    box-shadow: var(--blog-shadow);
    position: relative;
    overflow: hidden;
}

.pain-point-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--blog-error) 0%, #b91c1c 100%);
    /* border-radius: 4px 0 0 4px; */
}

.pain-point-box .pain-point-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--blog-error);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--blog-border);
}

.pain-point-box .pain-point-title::before {
    content: '';
    width: 22px;
    height: 22px;
    background: var(--blog-error);
    border-radius: 50%;
    flex-shrink: 0;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 5h2v6h-2V7zm0 8h2v2h-2v-2z'/%3E%3C/svg%3E") center/contain no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-1 5h2v6h-2V7zm0 8h2v2h-2v-2z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.pain-point-item {
    position: relative;
    padding: 14px 18px 14px 22px;
    margin: 12px 0;
    background: linear-gradient(135deg, #fef2f2 0%, #fff5f5 100%);
    /* border-radius: 8px; */
    border-left: 3px solid var(--blog-error);
    font-size: 16px;
    line-height: 1.8;
    color: #7f1d1d;
}

@media (max-width: 768px) {
    .pain-point-box {
        padding: 28px;
        margin: 40px 0;
    }
    .pain-point-item {
        padding: 12px 16px 12px 18px;
        margin: 10px 0;
    }
}

/* ===================================
   Summary Highlight（まとめチェックリスト）
=================================== */
.summary-highlight {
    margin: 40px 0;
    padding: 32px 36px;
    background: var(--blog-bg-light);
    border: 1px solid var(--blog-border);
    /* border-radius: var(--blog-radius); */
    box-shadow: var(--blog-shadow);
}

.summary-highlight ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.summary-highlight ul li {
    position: relative;
    padding: 14px 0 14px 32px;
    line-height: 1.9;
    border-bottom: 1px dotted var(--blog-border);
    font-size: 16px;
}

.summary-highlight ul li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.summary-highlight ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 18px;
    height: 18px;
    background: var(--blog-success);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/12px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/12px no-repeat;
}

.summary-highlight ul li strong {
    color: var(--blog-primary);
}

/* ===================================
   FAQセクション
=================================== */
.faq-section {
    margin: 64px 0;
    padding: 0;
}

.faq-section h2 {
    margin-bottom: 32px !important;
}

.faq-item {
    margin-bottom: 16px;
    background: #fff;
    border: 1px solid var(--blog-border);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 !important;
    padding: 20px 24px !important;
    font-size: 16px !important;
    font-weight: 600;
    color: var(--blog-primary);
    background: var(--blog-bg-light);
    border: none !important;
    cursor: default;
}

.faq-question::before {
    content: 'Q';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--blog-primary);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    border-radius: 50%;
    flex-shrink: 0;
}

.faq-answer {
    padding: 20px 24px 20px 64px;
    position: relative;
}

.faq-answer::before {
    content: 'A';
    position: absolute;
    left: 24px;
    top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--blog-accent);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    border-radius: 50%;
}

.faq-answer p {
    margin: 0;
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
}

@media (max-width: 768px) {
    .faq-question {
        padding: 16px 20px !important;
        font-size: 16px !important;
    }

    .faq-answer {
        padding: 16px 20px 16px 56px;
    }

    .faq-answer::before {
        left: 20px;
        top: 16px;
    }
}

/* ===================================
   免責・経験表示ボックス
=================================== */
.disclaimer-box {
    margin: 40px 0 0;
    padding: 20px 24px;
    background: var(--blog-bg-light);
    border: 1px solid var(--blog-border);
    font-size: 16px;
    line-height: 1.8;
    color: var(--blog-text-light);
}

.disclaimer-box p {
    margin: 0;
}


/* =============================================
   エリアテーマ別カラースキーム
   body に .theme-* クラスが付与されている記事に適用
   ============================================= */

/* -------------------------------------------
   箱根テーマ（深緑・森林）
   ------------------------------------------- */
.theme-hakone .post_content,
.theme-hakone.single-post {
    --blog-primary: #1a4d3e;
    --blog-primary-light: #2a7d64;
    --blog-secondary: #3d7a5f;
    --blog-accent: #7aab5e;
    --blog-accent-light: #d4e8c7;
    --blog-bg-light: #f4f9f2;
}

.theme-hakone .post_content h2,
.theme-hakone.single-post h2 {
    border-left-color: #1a4d3e;
    background: linear-gradient(90deg, #f4f9f2 0%, transparent 100%);
}

.theme-hakone .post_content h3::before {
    background: #7aab5e;
}


.theme-hakone .cta-box {
    background: linear-gradient(135deg, #1a4d3e 0%, #0f3028 50%, #3d7a5f 100%);
}

.theme-hakone .cta-box::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(122, 171, 94, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

/* -------------------------------------------
   熱海テーマ（海・ブルー）
   ------------------------------------------- */
.theme-atami .post_content,
.theme-atami.single-post {
    --blog-primary: #0c3d5f;
    --blog-primary-light: #1a6b8a;
    --blog-secondary: #2a6d8a;
    --blog-accent: #4a9ec4;
    --blog-accent-light: #c5dff0;
    --blog-bg-light: #f0f7fc;
}

.theme-atami .post_content h2,
.theme-atami.single-post h2 {
    border-left-color: #0c3d5f;
    background: linear-gradient(90deg, #f0f7fc 0%, transparent 100%);
}

.theme-atami .post_content h3::before {
    background: #4a9ec4;
}


.theme-atami .cta-box {
    background: linear-gradient(135deg, #0c3d5f 0%, #07283f 50%, #2a6d8a 100%);
}

.theme-atami .cta-box::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(74, 158, 196, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

/* -------------------------------------------
   伊東テーマ（温泉・暖色レッドブラウン）
   ------------------------------------------- */
.theme-ito .post_content,
.theme-ito.single-post {
    --blog-primary: #5c2018;
    --blog-primary-light: #8a3525;
    --blog-secondary: #7d3a2b;
    --blog-accent: #c97b4b;
    --blog-accent-light: #f0d5b8;
    --blog-bg-light: #fdf6f0;
}

.theme-ito .post_content h2,
.theme-ito.single-post h2 {
    border-left-color: #5c2018;
    background: linear-gradient(90deg, #fdf6f0 0%, transparent 100%);
}

.theme-ito .post_content h3::before {
    background: #c97b4b;
}


.theme-ito .cta-box {
    background: linear-gradient(135deg, #5c2018 0%, #3d150f 50%, #7d3a2b 100%);
}

.theme-ito .cta-box::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(201, 123, 75, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

/* -------------------------------------------
   小田原テーマ（古民家・和の土色）
   ------------------------------------------- */
.theme-odawara .post_content,
.theme-odawara.single-post {
    --blog-primary: #3d3225;
    --blog-primary-light: #5a4d3a;
    --blog-secondary: #5a4838;
    --blog-accent: #a0845c;
    --blog-accent-light: #ddd0b8;
    --blog-bg-light: #f9f6f0;
}

.theme-odawara .post_content h2,
.theme-odawara.single-post h2 {
    border-left-color: #3d3225;
    background: linear-gradient(90deg, #f9f6f0 0%, transparent 100%);
}

.theme-odawara .post_content h3::before {
    background: #a0845c;
}


.theme-odawara .cta-box {
    background: linear-gradient(135deg, #3d3225 0%, #2a221a 50%, #5a4838 100%);
}

.theme-odawara .cta-box::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(160, 132, 92, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

/* -------------------------------------------
   鎌倉・藤沢テーマ（古都・藤色パープル）
   ------------------------------------------- */
.theme-kamakura .post_content,
.theme-kamakura.single-post {
    --blog-primary: #3a2d5c;
    --blog-primary-light: #5a4d7a;
    --blog-secondary: #4d3d6b;
    --blog-accent: #9b7cb8;
    --blog-accent-light: #ddd0eb;
    --blog-bg-light: #f6f2fa;
}

.theme-kamakura .post_content h2,
.theme-kamakura.single-post h2 {
    border-left-color: #3a2d5c;
    background: linear-gradient(90deg, #f6f2fa 0%, transparent 100%);
}

.theme-kamakura .post_content h3::before {
    background: #9b7cb8;
}


.theme-kamakura .cta-box {
    background: linear-gradient(135deg, #3a2d5c 0%, #261d40 50%, #4d3d6b 100%);
}

.theme-kamakura .cta-box::before {
    background:
        radial-gradient(circle at 20% 80%, rgba(155, 124, 184, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

/* -------------------------------------------
   テーマ共通：summary-highlight のチェックマーク色をアクセント連動
   ------------------------------------------- */
.theme-hakone .summary-highlight ul li::before { background: #3d7a5f; }
.theme-atami .summary-highlight ul li::before { background: #2a6d8a; }
.theme-ito .summary-highlight ul li::before { background: #8a3525; }
.theme-odawara .summary-highlight ul li::before { background: #5a4838; }
.theme-kamakura .summary-highlight ul li::before { background: #4d3d6b; }

/* -------------------------------------------
   テーマ共通：テキストリンク色をプライマリ連動
   ------------------------------------------- */
.theme-hakone .text-link { color: #2a7d64; }
.theme-hakone .text-link:hover { color: #1a4d3e; }
.theme-atami .text-link { color: #1a6b8a; }
.theme-atami .text-link:hover { color: #0c3d5f; }
.theme-ito .text-link { color: #8a3525; }
.theme-ito .text-link:hover { color: #5c2018; }
.theme-odawara .text-link { color: #5a4d3a; }
.theme-odawara .text-link:hover { color: #3d3225; }
.theme-kamakura .text-link { color: #5a4d7a; }
.theme-kamakura .text-link:hover { color: #3a2d5c; }

/* -------------------------------------------
   テーマ共通：bb ハイライト色をアクセント連動
   ------------------------------------------- */
.theme-hakone .bb { background: linear-gradient(transparent 60%, #d4e8c7 60%); color: #1a4d3e; }
.theme-atami .bb { background: linear-gradient(transparent 60%, #c5dff0 60%); color: #0c3d5f; }
.theme-ito .bb { background: linear-gradient(transparent 60%, #f0d5b8 60%); color: #5c2018; }
.theme-odawara .bb { background: linear-gradient(transparent 60%, #ddd0b8 60%); color: #3d3225; }
.theme-kamakura .bb { background: linear-gradient(transparent 60%, #ddd0eb 60%); color: #3a2d5c; }

/* -------------------------------------------
   テーマ共通：参考文献セクションのアイコン色
   ------------------------------------------- */
.theme-hakone h2.reference-title i { color: #7aab5e; }
.theme-atami h2.reference-title i { color: #4a9ec4; }
.theme-ito h2.reference-title i { color: #c97b4b; }
.theme-odawara h2.reference-title i { color: #a0845c; }
.theme-kamakura h2.reference-title i { color: #9b7cb8; }

/* -------------------------------------------
   テーマ共通：番号付きリストの番号バッジ
   ------------------------------------------- */
.theme-hakone .blog-custom-numlist li::before {
    background: linear-gradient(135deg, #1a4d3e 0%, #3d7a5f 100%);
}
.theme-atami .blog-custom-numlist li::before {
    background: linear-gradient(135deg, #0c3d5f 0%, #2a6d8a 100%);
}
.theme-ito .blog-custom-numlist li::before {
    background: linear-gradient(135deg, #5c2018 0%, #7d3a2b 100%);
}
.theme-odawara .blog-custom-numlist li::before {
    background: linear-gradient(135deg, #3d3225 0%, #5a4838 100%);
}
.theme-kamakura .blog-custom-numlist li::before {
    background: linear-gradient(135deg, #3a2d5c 0%, #4d3d6b 100%);
}

/* ===================================
   監修者セクション
=================================== */
.supervisor-section {
    margin-top: 64px;
    padding: 0;
    background: linear-gradient(135deg, var(--blog-bg-light) 0%, #f1f5f9 100%);
    border-left: 4px solid var(--blog-primary);
    position: relative;
    overflow: hidden;
    box-shadow: var(--blog-shadow);
}

.supervisor-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 100% 0%, rgba(13, 56, 76, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 0% 100%, rgba(196, 149, 106, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

h2.supervisor-heading,
.supervisor-section h2.supervisor-heading {
    margin: 0 !important;
    padding: 20px 32px !important;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blog-text-light);
    border: none !important;
    border-bottom: 1px solid var(--blog-border) !important;
    background: none !important;
    position: relative;
}

.supervisor-card {
    display: flex;
    gap: 28px;
    align-items: center;
    padding: 32px;
    position: relative;
}

.supervisor-photo {
    flex-shrink: 0;
    position: relative;
}

.supervisor-photo::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blog-accent) 0%, var(--blog-accent-light) 100%);
}

.supervisor-photo img {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    border: 3px solid #fff;
}

.supervisor-info {
    flex: 1;
}

.supervisor-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--blog-primary);
    margin: 0 0 12px 0 !important;
    line-height: 1.4;
    letter-spacing: 0.04em;
}

.supervisor-role {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--blog-primary);
    background: var(--blog-accent-light);
    padding: 4px 12px;
    border-radius: 20px;
    margin: 10px 0 0;
    letter-spacing: 0.03em;
    line-height: 1.6;
}

.supervisor-name {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

.supervisor-bio {
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
    margin: 0 0 6px 0 !important;
}

.supervisor-bio:first-of-type {
    margin-top: 16px !important;
}

.supervisor-bio:last-child {
    margin-bottom: 0 !important;
}

@media (max-width: 768px) {
    h2.supervisor-heading,
    .supervisor-section h2.supervisor-heading {
        padding: 16px 20px !important;
        text-align: center;
        justify-content: center;
    }

    .supervisor-card {
        flex-direction: column;
        align-items: center;
        padding: 24px 20px;
    }

    .supervisor-photo img {
        width: 96px;
        height: 96px;
    }

    .supervisor-name {
        font-size: 18px;
        text-align: center;
        align-items: center;
    }

    .supervisor-role {
        text-align: center;
        margin: 10px 0 0;
    }

    .supervisor-bio {
        text-align: left;
    }
}

/* =============================================
   追加デザインコンポーネント
   ============================================= */

/* ===================================
   Step Flow — 番号付きステップフロー（縦線接続）
=================================== */
.step-flow {
    margin: 32px 0;
    padding: 0;
    list-style: none;
    position: relative;
}
.step-flow::before {
    content: '';
    position: absolute;
    left: 23px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--blog-accent-light) 0%, var(--blog-accent) 50%, var(--blog-accent-light) 100%);
}
.step-flow .step-item {
    position: relative;
    padding: 0 0 32px 64px;
    margin: 0;
}
.step-flow .step-item:last-child {
    padding-bottom: 0;
}
.step-flow .step-item::before {
    content: attr(data-step);
    position: absolute;
    left: 8px;
    top: 0;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--blog-primary) 0%, var(--blog-secondary) 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(13, 56, 76, 0.2);
    z-index: 1;
}
.step-flow .step-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--blog-primary);
    margin-bottom: 8px;
    line-height: 1.5;
}
.step-flow .step-desc {
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
    margin: 0;
}
@media (max-width: 768px) {
    .step-flow .step-item {
        padding-left: 56px;
    }
    .step-flow .step-title {
        font-size: 17px;
    }
}

/* ===================================
   Highlight Strip — キーポイント強調帯
=================================== */
.highlight-strip {
    display: flex;
    flex-direction: column;
    margin: 36px 0;
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: var(--blog-shadow);
    overflow: hidden;
}
.highlight-strip .hs-accent {
    display: none;
}
.highlight-strip .hs-label {
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: var(--blog-primary);
    letter-spacing: 0.05em;
}
.highlight-strip .hs-body {
    padding: 24px 28px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
}
.highlight-strip .hs-body p {
    margin: 0 0 12px;
}
.highlight-strip .hs-body p:last-child {
    margin-bottom: 0;
}
@media (max-width: 768px) {
    .highlight-strip .hs-label {
        padding: 12px 20px;
    }
    .highlight-strip .hs-body {
        padding: 20px;
    }
}

/* ===================================
   Stat Grid — 統計・数値ハイライト
=================================== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 32px 0;
}
.stat-card {
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    padding: 0;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.stat-card .stat-head {
    background: var(--blog-primary);
    color: #fff;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
}
.stat-card .stat-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.stat-card .stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--blog-primary);
    line-height: 1.2;
}
.stat-card .stat-unit {
    font-size: 16px;
    font-weight: 600;
    color: var(--blog-text-light);
    margin-left: 2px;
}
.stat-card .stat-label {
    font-size: 13px;
    color: var(--blog-text-light);
    line-height: 1.6;
    margin-top: 8px;
}
@media (max-width: 768px) {
    .stat-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .stat-card .stat-number {
        font-size: 28px;
    }
}

/* ===================================
   Merit/Demerit — メリデメカード
=================================== */
.merit-demerit {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr auto;
    gap: 20px;
    margin: 32px 0;
}
.merit-card,
.demerit-card {
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 3;
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}
.merit-card .md-header {
    padding: 16px 24px;
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
    border-bottom: 2px solid var(--blog-success);
    font-size: 17px;
    font-weight: 700;
    color: #065f46;
}
.demerit-card .md-header {
    padding: 16px 24px;
    background: linear-gradient(135deg, #fef2f2 0%, #fff5f5 100%);
    border-bottom: 2px solid var(--blog-error);
    font-size: 17px;
    font-weight: 700;
    color: #991b1b;
}
.merit-card .md-list,
.demerit-card .md-list {
    list-style: none;
    margin: 0;
    padding: 20px 24px;
}
.merit-card .md-list li,
.demerit-card .md-list li {
    position: relative;
    padding: 10px 0 10px 28px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--blog-text);
    border-bottom: 1px dashed var(--blog-border);
}
.merit-card .md-list li:last-child,
.demerit-card .md-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.merit-card .md-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 16px;
    height: 16px;
    background: var(--blog-success);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/10px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/10px no-repeat;
}
.demerit-card .md-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 16px;
    height: 16px;
    background: var(--blog-error);
    border-radius: 50%;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E") center/10px no-repeat;
    -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z'/%3E%3C/svg%3E") center/10px no-repeat;
}
@media (max-width: 768px) {
    .merit-demerit {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }
    .merit-card,
    .demerit-card {
        display: block;
        grid-row: auto;
    }
}

/* ===================================
   Accent Divider — セクション区切り
=================================== */
.accent-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 48px 0;
    color: var(--blog-text-light);
    font-size: 16px;
    font-weight: 600;
}
.accent-divider::before,
.accent-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--blog-border), transparent);
}

/* ===================================
   Block Grid 改善 — 2カラムカードグリッド
=================================== */
.block-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 32px 0;
}
.block-grid .block-card {
    margin: 0 0 0 0 !important;
}
@media (max-width: 768px) {
    .block-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Number Label — テキスト番号ラベル
=================================== */
.num-label {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: var(--blog-primary);
    padding: 2px 12px;
    border-radius: 4px;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

/* ===================================
   Two-tone Card — 上部カラーカード
=================================== */
.twotone-card {
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    margin: 20px 0;
}
.twotone-card .tc-header {
    padding: 16px 24px;
    background: var(--blog-primary);
    color: #fff;
    font-size: 17px;
    font-weight: 700;
}
.twotone-card .tc-body {
    padding: 24px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
}
.twotone-card .tc-body p {
    margin: 0 0 12px;
}
.twotone-card .tc-body p:last-child {
    margin-bottom: 0;
}

/* Two-tone grid (2列配置) */
.twotone-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 32px 0;
}
.twotone-grid .twotone-card {
    margin: 0;
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 2;
    gap: 0;
}
@media (max-width: 768px) {
    .twotone-grid {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }
    .twotone-grid .twotone-card {
        display: block;
        grid-row: auto;
    }
}

/* ===================================
   Bordered Section — 枠囲みセクション
=================================== */
.bordered-section {
    margin: 32px 0;
    padding: 28px 32px;
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.bordered-section .bs-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--blog-primary);
    margin: 0 0 16px;
    padding: 0 0 12px;
    border-bottom: 2px solid var(--blog-border);
    position: relative;
}
.bordered-section .bs-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 48px;
    height: 2px;
    background: var(--blog-accent);
}
.bordered-section p {
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
    margin: 0 0 12px;
}
.bordered-section p:last-child {
    margin-bottom: 0;
}

/* ===================================
   Tag Label — 小さなタグ（カード内ラベル用）
=================================== */
.tag-label {
    display: inline-block;
    font-size: 16px;
    font-weight: 700;
    color: var(--blog-primary);
    background: var(--blog-bg-light);
    padding: 4px 14px;
    border-radius: 20px;
    border: 1px solid var(--blog-border);
    margin-bottom: 10px;
}

/* ===================================
   Ranking — ランキングカード
=================================== */
.rank-top {
    margin: 32px 0;
}
.rank-card {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: #fff;
    border-radius: 0 var(--blog-radius) var(--blog-radius) 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    padding: 28px 32px;
    margin-bottom: 20px;
    border-left: 5px solid var(--blog-border);
}
.rank-card.rank-1 {
    border-left-color: #d4a017;
    background: linear-gradient(135deg, #fffdf5 0%, #fff 40%);
}
.rank-card.rank-2 {
    border-left-color: #8a8a8a;
    background: linear-gradient(135deg, #fafafa 0%, #fff 40%);
}
.rank-card.rank-3 {
    border-left-color: #b87333;
    background: linear-gradient(135deg, #fdf8f3 0%, #fff 40%);
}
.rank-badge {
    flex-shrink: 0;
    width: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}
.rank-badge::before {
    content: '';
    display: block;
    width: 40px;
    height: 20px;
    margin-bottom: 4px;
    clip-path: polygon(0% 100%, 0% 40%, 20% 70%, 50% 0%, 80% 70%, 100% 40%, 100% 100%);
}
.rank-badge span {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 900;
    color: #fff;
}
.rank-1 .rank-badge::before {
    background: linear-gradient(180deg, #f5d060, #d4a017);
}
.rank-1 .rank-badge span {
    background: linear-gradient(135deg, #d4a017, #f5d060);
    box-shadow: 0 3px 12px rgba(212, 160, 23, 0.35);
}
.rank-2 .rank-badge::before {
    background: linear-gradient(180deg, #c0c0c0, #8a8a8a);
}
.rank-2 .rank-badge span {
    background: linear-gradient(135deg, #7a7a7a, #b0b0b0);
    box-shadow: 0 3px 12px rgba(138, 138, 138, 0.3);
}
.rank-3 .rank-badge::before {
    background: linear-gradient(180deg, #d4975a, #b87333);
}
.rank-3 .rank-badge span {
    background: linear-gradient(135deg, #b87333, #d4975a);
    box-shadow: 0 3px 12px rgba(184, 115, 51, 0.3);
}
.rank-content {
    flex: 1;
}
.rank-content h3 {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--blog-primary);
    line-height: 1.5;
}
.rank-content p {
    margin: 0;
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
}
.rank-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 32px 0;
}
.rank-grid-card {
    background: #fff;
    border: 1px solid var(--blog-border);
    border-radius: var(--blog-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    display: grid;
    grid-template-rows: subgrid;
    grid-row: span 2;
}
.rank-grid-card .rg-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--blog-primary);
}
.rank-grid-card .rg-header .rg-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}
.rank-grid-card .rg-header .rg-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    line-height: 1.5;
}
.rank-grid-card .rg-body {
    padding: 16px 20px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--blog-text);
}
.rank-grid-card .rg-body p {
    margin: 0;
}
@media (max-width: 768px) {
    .rank-card {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }
    .rank-badge {
        width: 44px;
    }
    .rank-badge::before {
        width: 32px;
        height: 16px;
    }
    .rank-badge span {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    .rank-content h3 {
        font-size: 16px;
    }
    .rank-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   [blogcard] shortcode — 内部記事のカードプレビュー
   ========================================================================== */
.ac-blogcard {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 22px;
    align-items: stretch;
    margin: 32px 0;
    padding: 18px;
    background: #ffffff;
    border: 1px solid #e3e6ef;
    border-radius: 4px;
    box-shadow: 0 6px 20px rgba(14, 26, 58, 0.06);
    text-decoration: none !important;
    color: #17224c;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    position: relative;
    overflow: hidden;
}
.ac-blogcard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #c9a961 0%, #b08f4a 100%);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform .3s ease;
}
.ac-blogcard:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(14, 26, 58, 0.12);
    border-color: #c9a961;
}
.ac-blogcard:hover::before {
    transform: scaleY(1);
}
.ac-blogcard__thumb {
    display: block;
    overflow: hidden;
    background: #f4f5f9;
    border-radius: 2px;
    aspect-ratio: 4 / 3;
}
.ac-blogcard__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.ac-blogcard:hover .ac-blogcard__img {
    transform: scale(1.04);
}
.ac-blogcard__img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.12em;
    color: #c9a961;
    background: #17224c;
    line-height: 1.3;
}
.ac-blogcard__body {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 4px 4px 4px 0;
    min-width: 0;
}
.ac-blogcard__label {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: #c9a961;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.ac-blogcard__title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.55;
    color: #17224c;
    margin-bottom: 8px;
}
.ac-blogcard__excerpt {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.7;
    color: #5a6480;
    margin-bottom: 12px;
}
.ac-blogcard__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    color: #8089a3;
}
.ac-blogcard__cat {
    padding: 3px 10px;
    background: #f4f5f9;
    color: #17224c;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    border-radius: 2px;
}
.ac-blogcard__date {
    letter-spacing: 0.06em;
}
.ac-blogcard__more {
    margin-left: auto;
    color: #c9a961;
    font-weight: 600;
    letter-spacing: 0.1em;
    transition: transform .25s ease;
}
.ac-blogcard:hover .ac-blogcard__more {
    transform: translateX(4px);
}
.ac-blogcard-fallback {
    margin: 24px 0;
    padding: 14px 18px;
    background: #f4f5f9;
    border-left: 3px solid #c9a961;
    word-break: break-all;
}

@media (max-width: 600px) {
    .ac-blogcard {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 14px;
    }
    .ac-blogcard__thumb {
        aspect-ratio: 16 / 9;
    }
    .ac-blogcard__title {
        font-size: 15px;
    }
    .ac-blogcard__excerpt {
        -webkit-line-clamp: 3;
    }
    .ac-blogcard__more {
        margin-left: 0;
    }
}

/* ==========================================================================
   公開日 / 更新日メタ
   ========================================================================== */
.single .entry-header .entry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
    justify-content: center;
    align-items: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    letter-spacing: 0.05em;
}
.single .entry-meta__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.single .entry-meta__label {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(201, 169, 97, 0.18);
    color: #c9a961;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.12em;
    border-radius: 2px;
}
.single .entry-meta__item--updated .entry-meta__label {
    background: rgba(108, 171, 223, 0.18);
    color: #6cabdf;
}

/* ==========================================================================
   関連記事ブロック (記事末尾)
   ========================================================================== */
.ac-related {
    max-width: 900px;
    margin: 80px auto 0;
    padding: 56px 24px 0;
    border-top: 1px solid rgba(23, 34, 76, 0.12);
}
.ac-related__title {
    font-size: 24px;
    font-weight: 700;
    color: #17224c;
    margin: 0 0 32px;
    letter-spacing: 0.04em;
    position: relative;
    padding-left: 16px;
}
.ac-related__title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: linear-gradient(180deg, #c9a961 0%, #b08f4a 100%);
}
.ac-related__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.ac-related__item {
    display: flex;
    flex-direction: column;
    text-decoration: none !important;
    color: #17224c;
    background: #ffffff;
    border: 1px solid #e3e6ef;
    border-radius: 4px;
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.ac-related__item:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(14, 26, 58, 0.12);
    border-color: #c9a961;
}
.ac-related__thumb {
    display: block;
    background: #f4f5f9;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.ac-related__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}
.ac-related__item:hover .ac-related__thumb img {
    transform: scale(1.05);
}
.ac-related__thumb-placeholder {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.12em;
    color: #c9a961;
    background: #17224c;
    line-height: 1.3;
}
.ac-related__body {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 18px 18px;
    flex: 1;
}
.ac-related__cat {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #c9a961;
    letter-spacing: 0.06em;
}
.ac-related__heading {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.55;
    color: #17224c;
    flex: 1;
}
.ac-related__date {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    color: #8089a3;
    letter-spacing: 0.06em;
    margin-top: auto;
}

@media (max-width: 768px) {
    .ac-related {
        margin-top: 56px;
        padding: 40px 16px 0;
    }
    .ac-related__title {
        font-size: 20px;
        margin-bottom: 24px;
    }
    .ac-related__list {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .ac-related__item {
        flex-direction: row;
    }
    .ac-related__thumb {
        flex-shrink: 0;
        width: 120px;
        aspect-ratio: 1 / 1;
    }
    .ac-related__body {
        padding: 12px 14px;
    }
    .ac-related__heading {
        font-size: 14px;
        -webkit-line-clamp: 2;
    }
}