/* ================================================
   特集記事 共通CSS
   /assets/css/special-article.css
   Updated: 2026-03-12（コンポーネント統合版）
   ================================================ */

/* ================================================
   CSS変数
   ================================================ */
:root {
    --color-primary: #1BACE8;
    --color-primary-dark: #0284c7;
    --color-primary-light: #E0F2FE;
    --color-cta: #ff9952;
    --color-cta-dark: #e8863f;
    --color-bg-soft: #f4fafd;
    --color-text-main: #4d4d4d;
    --color-text-muted: #7f8c8d;
    --color-text-deep: #0e4a6b;
    --color-info: #1BACE8;
    --color-info-bg: #f0faff;
    --color-note: #64748b;
    --color-note-bg: #f8fafc;
}

/* ================================================
   ベース
   ================================================ */
body {
    font-family: 'Zen Maru Gothic', sans-serif;
    background-color: #F8FAFC;
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
    width: 100%;
}

html {
    scroll-padding-top: 100px;
}

.glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ================================================
   基本パーツ：本文・強調・マーカー
   ================================================ */
.article-body > p {
    margin-bottom: 1.5em;
    line-height: 1.8;
    color: var(--color-text-main);
    font-size: 1rem;
}

.article-body strong {
    background: linear-gradient(transparent 70%, #ffedd5 70%);
    padding: 0 2px;
    font-weight: 700;
    color: #1a202c;
}

.article-body mark {
    background: linear-gradient(transparent 60%, var(--color-primary-light) 60%);
    color: inherit;
    padding: 0 2px;
    font-weight: 700;
}

/* ================================================
   基本パーツ：リンク
   ================================================ */
.article-body a {
    color: #1BACE8;
    text-decoration: none;
    transition: color 0.2s;
}
/* 本文p内のリンクのみ下線・ホバー色を付与 */
.article-body p a {
    text-decoration: underline;
    text-underline-offset: 2px;
}
.article-body p a:hover {
    color: #0c8bbd;
}
/* CTA・ボタン・カード内リンクは本文リンクスタイルを除外 */
.article-body .article-cta-btn {
    text-decoration: none;
    color: #ffffff;
}
.article-body .article-cta-btn:hover {
    color: #ffffff;
}
.article-body .article-cta-text a {
    text-decoration: none;
}
.article-body .school-card-cta a {
    text-decoration: none;
    color: #ffffff;
}
.article-body .school-card-name a {
    text-decoration: none;
    color: var(--color-text-deep);
}
.article-body .school-card-name a:hover {
    color: var(--color-primary);
}
.article-body .school-card-courses-list a {
    text-decoration: none;
    color: var(--color-primary);
}
.article-body .ext-link-card {
    text-decoration: none;
    color: inherit;
}
.article-body .article-quote-source a {
    text-decoration: none;
    color: var(--color-primary);
}

/* ================================================
   基本パーツ：画像
   ================================================ */
.article-body img {
    border-radius: 1rem;
    margin: 1.5em 0;
}

/* ================================================
   基本パーツ：h2見出し .section-title
   ================================================ */
.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-deep);

    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1rem;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 28px;
    background: var(--color-primary);
    border-radius: 4px;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.25rem;
    }
}

/* ================================================
   基本パーツ：h3見出し .sub-title
   ================================================ */
.sub-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #4d4d4d;
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #90d2ff;
}

/* ================================================
   レガシー：.feature-list（未リライト記事用）
   リライト完了後に削除予定
   ================================================ */
.feature-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #475569;
}
.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.25rem;
    width: 1.25rem;
    height: 1.25rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231BACE8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

/* ================================================
   01. 目次 .article-toc
   ================================================ */
.article-toc {
    margin: 20px 0;
    padding: 40px;
    background-color: #F7FCFF;
    border: 1px solid #d3efff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}
.article-toc-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #d9d9d9;
}
.article-toc-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: #41b5e4;
    border-radius: 12px;
}
.article-toc-icon svg {
    width: 24px;
    height: 24px;
    color: #ffffff;
}
.article-toc-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: 0.02em;
}
.article-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.article-toc-item {
    position: relative;
}
.article-toc-item + .article-toc-item {
    margin-top: 4px;
}
.article-toc-link {
    display: flex;
    align-items: flex-start;
    padding: 6px 10px;
    text-decoration: none;
    color: var(--color-text-main);
    border-radius: 8px;
    transition: all 0.25s ease;
    position: relative;
}
.article-toc-link-h2 {
    font-weight: 700;
    font-size: 1.05rem;
}
.article-toc-item-h3 {
    margin-left: 24px;
}
.article-toc-link-h3 {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}
.article-toc-counter {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-weight: 600;
    color: var(--color-primary);
    margin-right: 8px;
    font-size: 1rem;
}
.article-toc-link:hover {
    background-color: var(--color-bg-soft);
    color: var(--color-primary);
    transform: translateX(4px);
}
.article-toc-link-h3:hover {
    color: var(--color-text-main);
}
.article-toc-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background-color: var(--color-primary);
    transition: height 0.25s ease;
}
.article-toc-link:hover::before {
    height: 60%;
}

@media (max-width: 640px) {
    .article-toc {
        padding: 24px;
    }
    .article-toc-title {
        font-size: 1.25rem;
    }
    .article-toc-item-h3 {
        margin-left: 16px;
    }
}

/* ================================================
   02. ボックス共通 .article-box
   02-A ポイント .box-point
   02-B 注意 .box-warning
   02-C チェックリスト .box-check
   ================================================ */
.article-box {
    position: relative;
    margin: 24px 0;
    padding: 32px;
    border-radius: 20px;
    transition: transform 0.2s ease;
}
.article-box:hover {
    transform: translateY(-2px);
}
.article-box-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 1.15rem;
}
.article-box-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    flex-shrink: 0;
}
.article-box-icon svg {
    width: 20px;
    height: 20px;
}
.article-box-content {
    padding-left: 44px;
    font-size: 1rem;
}
.article-box-content p {
    margin: 0 0 0.75em;
    line-height: 1.8;
}
.article-box-content p:last-child {
    margin-bottom: 0;
}

.box-point {
    background-color: #f0fbff;
    border: 2px solid #a0def4;
    box-shadow: 0 8px 24px rgba(27, 172, 232, 0.06);
}
.box-point .article-box-header {
    color: var(--color-info);
}
.box-point .article-box-icon {
    background-color: var(--color-info);
    color: white;
}

.box-warning {
    background-color: #fff6fb;
    border: 2px solid #facfe6;
    box-shadow: 0 8px 24px rgba(255, 153, 82, 0.06);
}
.box-warning .article-box-header {
    color: #ed5cac;
}
.box-warning .article-box-icon {
    background-color: #ed5cac;
    color: white;
}

.box-check {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    padding: 24px 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}
.box-check .article-box-header {
    color: var(--color-text-main);
    border-bottom: 2px solid var(--color-info-bg);
    padding-bottom: 12px;
    margin-bottom: 20px;
}
.box-check .article-box-icon {
    background-color: #e0f2fe;
    color: var(--color-info);
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
}
.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 18px;
    height: 18px;
    background-color: var(--color-info-bg);
    border-radius: 50%;
}
.check-list li::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 11px;
    width: 6px;
    height: 10px;
    border-right: 2px solid var(--color-info);
    border-bottom: 2px solid var(--color-info);
    transform: rotate(45deg);
}

@media (max-width: 640px) {
    .article-box {
        padding: 24px;
    }
    .article-box-content {
        padding-left: 0;
        margin-top: 8px;
    }
}

/* ================================================
   03. 補足・注釈 .box-note
   ================================================ */
.box-note {
    background-color: var(--color-note-bg);
    border: 1px solid #e2e8f0;
    padding: 24px 28px;
    border-radius: 16px;
}
.box-note .article-box-header {
    color: var(--color-note);
    font-size: 0.95rem;
    margin-bottom: 8px;
}
.box-note .article-box-icon {
    background-color: #e2e8f0;
    color: var(--color-note);
    width: 24px;
    height: 24px;
    border-radius: 6px;
}
.box-note .article-box-icon svg {
    width: 18px;
    height: 18px;
}
.box-note .article-box-content {
    padding-left: 36px;
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.6;
}
.box-note .article-box-content p {
    margin: 0 0 0.5em;
    line-height: 1.6;
}

@media (max-width: 640px) {
    .box-note .article-box-content {
        padding-left: 0;
    }
}

/* ================================================
   03-B. リンクリストボックス .box-links
   ================================================ */
.box-links {
    background-color: #ffffff;
    border: 2px solid #e0f2fe;
    box-shadow: 0 10px 25px -5px rgba(27, 172, 232, 0.05);
}
.box-links .article-box-header {
    color: var(--color-text-main);
}
.box-links .article-box-icon {
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(27, 172, 232, 0.2);
}
.box-links .article-box-content {
    padding-left: 0;
}
.box-links .article-box-content > p {
    padding-left: 44px;
    color: #64748b;
}
.link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.link-item {
    margin: 0;
}
.link-card {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    background-color: var(--color-info-bg);
    padding: 12px 16px;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}
.link-card-thumb {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 8px;
    overflow: hidden;
    background-color: #e2e8f0;
}
.link-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    margin: 0;
    transition: transform 0.3s ease;
}
.link-card:hover .link-card-thumb img {
    transform: scale(1.08);
}
.link-card-body {
    flex-grow: 1;
    min-width: 0;
}
.link-card-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text-main);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}
.link-card:hover .link-card-title {
    color: var(--color-primary);
}
.link-card-arrow {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border-top: 2px solid #cbd5e1;
    border-right: 2px solid #cbd5e1;
    transform: rotate(45deg);
    transition: all 0.3s ease;
}
.link-card:hover .link-card-arrow {
    border-color: var(--color-primary);
}
@media (hover: hover) {
    .link-card:hover {
        background-color: #ffffff;
        border-color: var(--color-primary);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(27, 172, 232, 0.1);
    }
}
.link-card:active {
    transform: scale(0.98);
    background-color: #e0f2fe;
}
.article-body .link-card {
    text-decoration: none;
    color: inherit;
}
.article-body .link-card:hover {
    color: inherit;
}
@media (max-width: 640px) {
    .box-links {
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0;
        margin: 24px 0;
    }
    .box-links:hover {
        transform: none;
    }
    .box-links .article-box-content > p {
        padding-left: 0;
    }
    .link-card {
        padding: 10px 12px;
        gap: 12px;
    }
    .link-card-thumb {
        width: 56px;
        height: 56px;
    }
    .link-card-title {
        font-size: 0.85rem;
    }
}

/* ================================================
   04. テーブル タイプ1 .table-container
   ================================================ */
.table-container {
    margin: 24px 0;
}
.table-container table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}
.table-container th {
    background: #E0F2FE;
    color: #0e4a6b;
    font-weight: bold;
    padding: 12px;
    text-align: center;
}
.table-container td {
    padding: 12px;
    border-bottom: 1px solid #f1f5f9;
    text-align: center;
    color: #334155;
}
.table-container tr:last-child td {
    border-bottom: none;
}
.table-container .source-text {
    font-size: 10px;
    color: #6b7280;
    text-align: right;
    margin-top: 8px;
}

@media (max-width: 640px) {
    .table-container table,
    .table-container thead,
    .table-container tbody,
    .table-container tr,
    .table-container th,
    .table-container td {
        display: block;
    }
    .table-container thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    .table-container tr {
        margin-bottom: 1rem;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        overflow: hidden;
    }
    .table-container td {
        border-bottom: 1px solid #e2e8f0;
        position: relative;
        padding-left: 50%;
        text-align: right;
    }
    .table-container td:before {
        position: absolute;
        top: 12px;
        left: 12px;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: bold;
        color: #64748b;
        content: attr(data-label);
    }
}

/* ================================================
   04-B. テーブル タイプ2 .custom-table
   ================================================ */
.custom-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    margin: 24px 0;
}
.custom-table th {
    background-color: #f8fafc;
    color: #475569;
    font-weight: 700;
    padding: 12px;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
    font-size: 0.875rem;
}
.custom-table td {
    padding: 12px;
    border-bottom: 1px solid #e2e8f0;
    background-color: #ffffff;
    color: #334155;
    font-size: 0.875rem;
}
.custom-table tr:last-child td {
    border-bottom: none;
}
.custom-table .td-highlight {
    font-weight: 700;
    color: var(--color-primary);
}

@media (max-width: 640px) {
    .custom-table th,
    .custom-table td {
        padding: 10px 12px;
    }
}

/* ================================================
   04-C. テーブル タイプ2 横スクロール版 .custom-table-scroll
   早見表など、列幅を固定して横スクロールさせるテーブル用
   ================================================ */
.custom-table-scroll {
    width: max-content;
    min-width: max-content;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 0.75rem;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}
.custom-table-scroll th {
    background-color: #f8fafc;
    color: #475569;
    font-weight: 700;
    padding: 1rem;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
    white-space: nowrap;
}
.custom-table-scroll td {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    background-color: white;
    color: #334155;
    white-space: nowrap;
}
.custom-table-scroll tr:last-child td {
    border-bottom: none;
}
.custom-table-scroll tr:hover td {
    background-color: #f1f9fe;
}
.custom-table-scroll a {
    color: #1BACE8;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px dotted #1BACE8;
}

@media (max-width: 640px) {
    .custom-table-scroll th,
    .custom-table-scroll td {
        padding: 0.625rem 0.75rem;
    }
    .custom-table-scroll {
        font-size: 0.95rem;
    }
}

/* ================================================
   05. 学校リンクカード .school-card
   ================================================ */
.school-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 24px;
    background-color: #ffffff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.school-card + .school-card {
    margin-top: 24px;
}
.school-card-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 8px;
    line-height: 1.4;
}
.school-card-name a {
    text-decoration: none;
    color: var(--color-text-deep);
    transition: color 0.2s ease;
}
.school-card-name a:hover {
    color: var(--color-primary);
}
.school-card-meta {
    font-size: 0.75rem;
    color: #64748b;
    margin-bottom: 16px;
}
.school-card-meta a {
    color: #64748b;
    text-decoration: underline;
    transition: color 0.2s ease;
}
.school-card-meta a:hover {
    color: var(--color-primary);
}
.school-card-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-text-main);
    margin-bottom: 16px;
}
.school-card-courses {
    background-color: var(--color-bg-soft);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}
.school-card-courses-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 0 0 8px;
}
.school-card-courses-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.school-card-courses-list li {
    font-size: 0.875rem;
    line-height: 1.6;
}
.school-card-courses-list li + li {
    margin-top: 4px;
}
.school-card-courses-list a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
.school-card-courses-list a:hover {
    text-decoration: underline;
    color: var(--color-primary-dark);
}
.school-card-cta {
    text-align: center;
}
.school-card-cta a {
    display: inline-block;
    background-color: var(--color-primary);
    color: #ffffff;
    font-weight: 700;
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    box-shadow: 0 4px 6px -1px rgba(27, 172, 232, 0.2);
    transition: background-color 0.2s ease;
}
.school-card-cta a:hover {
    background-color: var(--color-primary-dark);
}

@media (max-width: 640px) {
    .school-card {
        padding: 20px;
    }
    .school-card-name {
        font-size: 1.1rem;
    }
}

/* ================================================
   06. CTAボタン .article-cta
   ================================================ */
.article-cta {
    background-color: #ffffff;
    border: 1px solid rgba(255, 153, 82, 0.5);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.04), 0 2px 4px -1px rgba(99, 102, 241, 0.02);
    margin: 32px 0;
}
.article-cta-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--color-cta);
    border-radius: 50%;
    margin: 0 auto 16px;
    box-shadow: 0 4px 6px -1px rgba(255, 153, 82, 0.3);
}
.article-cta-icon svg {
    width: 32px;
    height: 32px;
    color: #ffffff;
}
.article-cta-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin: 0 0 24px;
    line-height: 1.6;
}
.article-cta-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background-color: var(--color-cta);
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 12px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(255, 153, 82, 0.3);
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.article-cta-btn:hover {
    background-color: var(--color-cta-dark);
    transform: translateY(-2px);
}
.article-cta-btn svg {
    display: inline;
    width: 16px;
    height: 16px;
    vertical-align: middle;
    margin-left: 4px;
}

/* ================================================
   07. ステップ表示 .article-steps
   ================================================ */
.article-steps {
    background-color: var(--color-bg-soft);
    border-radius: 16px;
    padding: 24px 28px;
    border: 1px solid var(--color-primary-light);
    margin: 24px 0;
}
.article-step {
    position: relative;
    padding-left: 28px;
    padding-bottom: 24px;
    border-left: 2px solid #e2e8f0;
}
.article-step:last-child {
    border-left-color: transparent;
    padding-bottom: 0;
}
.article-step::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid #ffffff;
    box-shadow: 0 0 0 1.5px currentColor;
    background-color: currentColor;
}
.article-step-label {
    font-weight: 700;
    font-size: 1rem;
    display: block;
    margin-bottom: 4px;
}
.article-step-text {
    font-weight: 700;
    font-size: 1rem;
    color: #334155;
    margin: 0;
    line-height: 1.6;
}

.article-step-1 { color: #02ABED; }
.article-step-1 .article-step-label { color: #02ABED; }
.article-step-2 { color: #EA0089; }
.article-step-2 .article-step-label { color: #EA0089; }
.article-step-3 { color: #F9A01A; }
.article-step-3 .article-step-label { color: #F9A01A; }
.article-step-4 { color: #ffe700; }
.article-step-4 .article-step-label { color: #e8d900; }
.article-step-5 { color: #83C23F; }
.article-step-5 .article-step-label { color: #83C23F; }

.article-step-1 { border-left-color: #dbdbdb; }
.article-step-2 { border-left-color: #dbdbdb; }
.article-step-3 { border-left-color: #dbdbdb; }
.article-step-4 { border-left-color: #dbdbdb; }

@media (max-width: 640px) {
    .article-steps {
        padding: 20px;
    }
}

/* ================================================
   08. 2カラムグリッド .parallel-grid
   ================================================ */
.parallel-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 24px 0;
}
.parallel-card {
    background-color: #ffffff;
    border: 1.5px solid rgba(27, 172, 232, 0.2);
    border-radius: 24px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}
.parallel-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 12px 30px rgba(27, 172, 232, 0.1);
}
.parallel-card-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(27, 172, 232, 0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}
.parallel-card-icon svg {
    width: 24px;
    height: 24px;
}
.parallel-card:hover .parallel-card-icon {
    background-color: var(--color-primary);
    color: #ffffff;
}
.parallel-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-deep);
    margin: 0 0 12px;
    letter-spacing: -0.01em;
}
.parallel-card-desc {
    font-size: 0.95rem;
    color: var(--color-text-main);
    line-height: 1.7;
    margin: 0;
    flex-grow: 1;
}
.parallel-card-features {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}
.parallel-card-features li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-deep);
}
.parallel-card-features li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

@media (max-width: 640px) {
    .parallel-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .parallel-card {
        padding: 24px;
        border-radius: 20px;
    }
}

/* ================================================
   09. 外部リンクカード .ext-link-grid
   ================================================ */
.ext-link-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 24px 0;
}
.ext-link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.ext-link-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: var(--color-primary);
}
.ext-link-card-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: #334155;
    transition: color 0.2s ease;
}
.ext-link-card:hover .ext-link-card-name {
    color: var(--color-primary);
}
.ext-link-card-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    color: #94a3b8;
    transition: color 0.2s ease;
}
.ext-link-card:hover .ext-link-card-icon {
    color: var(--color-primary);
}

@media (max-width: 640px) {
    .ext-link-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

/* ================================================
   10. 引用ブロック .article-quote
   ================================================ */
.article-quote {
    position: relative;
    margin: 32px 0;
    padding: 40px 32px 32px;
    background-color: #ffffff;
    border: 1.5px solid rgba(27, 172, 232, 0.15);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}
.article-quote-icon {
    position: absolute;
    top: -20px;
    left: 32px;
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 12px rgba(27, 172, 232, 0.2);
}
.article-quote-icon svg {
    width: 20px;
    height: 20px;
}
.article-quote-text {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text-main);
    line-height: 1.8;
    margin: 0 0 20px;
}
.article-quote-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px dashed rgba(27, 172, 232, 0.15);
}
.article-quote-source {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
}
.article-quote-source cite {
    font-style: normal;
    font-weight: 700;
    color: var(--color-text-main);
}
.article-quote-source a {
    color: var(--color-primary);
    text-decoration: none;
}
.article-quote-source a:hover {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .article-quote {
        padding: 36px 20px 24px;
    }
    .article-quote-icon {
        left: 20px;
    }
    .article-quote-text {
        font-size: 1rem;
    }
}

/* ================================================
   11. ライタープロフィール .writer-card
   ================================================ */
.writer-card {
    position: relative;
    margin: 32px 0;
    padding: 32px;
    background-color: #ffffff;
    border: 1.5px solid rgba(27, 172, 232, 0.15);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    display: flex;
    gap: 24px;
    align-items: center;
}
.writer-card-label {
    position: absolute;
    top: -12px;
    left: 32px;
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 3px 14px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    box-shadow: 0 4px 10px rgba(27, 172, 232, 0.2);
}
.writer-card-avatar {
    flex-shrink: 0;
    width: 88px;
    height: 88px;
    background-color: rgba(27, 172, 232, 0.05);
    border: 1px solid rgba(27, 172, 232, 0.15);
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    overflow: hidden;
}
.writer-card-avatar svg {
    width: 48px;
    height: 48px;
}
.writer-card-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.writer-card-info {
    flex-grow: 1;
}
.writer-card-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-deep);
    margin: 0 0 4px;
}
.writer-card-role {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin: 0 0 10px;
}
.writer-card-bio {
    font-size: 0.875rem;
    color: var(--color-text-main);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 640px) {
    .writer-card {
        flex-direction: column;
        text-align: center;
        padding: 40px 20px 24px;
    }
    .writer-card-label {
        left: 50%;
        transform: translateX(-50%);
    }
    .writer-card-avatar {
        width: 72px;
        height: 72px;
        border-radius: 24px;
    }
}

/* ================================================
   12. おすすめ記事ランキング .ranking-section
   ================================================ */
.ranking-section {
    margin: 32px 0;
}
.ranking-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
}
.ranking-header-icon {
    color: var(--color-primary);
    width: 24px;
    height: 24px;
}
.ranking-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-deep);
    letter-spacing: 0.03em;
    margin: 0;
}
.ranking-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.ranking-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 14px;
    background-color: #ffffff;
    border: 1.5px solid rgba(27, 172, 232, 0.15);
    border-radius: 16px;
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
}
.ranking-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(27, 172, 232, 0.1);
    transform: translateX(4px);
}
.ranking-badge {
    position: absolute;
    top: -8px;
    left: -8px;
    width: 32px;
    height: 32px;
    background-color: #ffffff;
    border: 2px solid var(--color-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}
.ranking-badge-number {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: 'Helvetica Neue', Arial, sans-serif;
}
.ranking-badge-icon {
    width: 18px;
    height: 18px;
}
.rank-top .ranking-badge {
    background-color: var(--color-primary);
}
.rank-top .ranking-badge-number,
.rank-top .ranking-badge-icon {
    color: #ffffff;
}
.ranking-thumb {
    flex-shrink: 0;
    width: 88px;
    height: 88px;
    border-radius: 12px;
    overflow: hidden;
    background-color: rgba(27, 172, 232, 0.05);
}
.ranking-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    margin: 0;
    border-radius: 0;
}
.ranking-item:hover .ranking-thumb img {
    transform: scale(1.08);
}
.ranking-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e1;
    font-size: 0.7rem;
    font-weight: 700;
}
.ranking-content {
    flex-grow: 1;
    min-width: 0;
}
.ranking-category {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    margin-bottom: 2px;
}
.ranking-article-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ranking-item:hover .ranking-article-title {
    color: var(--color-primary);
}

@media (max-width: 640px) {
    .ranking-item {
        gap: 14px;
        padding: 12px;
    }
    .ranking-thumb {
        width: 72px;
        height: 72px;
    }
    .ranking-article-title {
        font-size: 0.875rem;
    }
}

/* ================================================
   スマホ固定CTA（特集記事用）
   ================================================ */
.special-fixed-cta {
    display: none;
}

@media (max-width: 768px) {
    .special-fixed-cta {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding: 8px 16px;
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid rgba(0, 0, 0, 0.06);
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
    }

    .special-fixed-cta-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        width: 100%;
        padding: 14px 24px;
        background-color: var(--color-cta, #ff9952);
        color: #ffffff;
        font-weight: 700;
        font-size: 1rem;
        border-radius: 12px;
        text-decoration: none;
        box-shadow: 0 4px 12px rgba(255, 153, 82, 0.3);
        transition: background-color 0.2s ease;
    }

    .special-fixed-cta-btn:hover {
        background-color: var(--color-cta-dark, #e8863f);
    }

    /* 固定CTAの高さ分、本文下部に余白を確保 */
    body.has-special-cta {
        padding-bottom: 80px;
    }
}