/* article_sidebar.css — サイドバー共通スタイル
 * article_detail.html, article_result.html で共有
 */

.article-layout{display:flex;gap:20px;align-items:flex-start;margin-top:28px}
.article-main-column{flex:1;min-width:0;background:transparent;border-radius:0;padding:26px 28px 44px}
.article-main-column > *:first-child{margin-top:0}
.article-main-column .category-chips,
.article-main-column .tag-chips{margin-bottom:20px}
.article-sidebar{width:300px;max-width:300px;background:transparent;border-radius:0;height:100vh;position:sticky;top:0;overflow-y:auto}
.article-sidebar-inner{padding:0;background:transparent;border-radius:0;padding-bottom:20px}
.article-sidebar::-webkit-scrollbar{display:none}
.article-sidebar{-ms-overflow-style:none;scrollbar-width:none}
.sidebar-block-group{display:flex;flex-direction:column;gap:20px;padding-top:0}
.sidebar-block{background:#fff;border-radius:12px;padding:16px;border:1px solid #e5e7eb}
.sidebar-block + .sidebar-block{margin-top:0}
.sidebar-title{margin:0 0 12px;font-size:1rem;font-weight:700;color:#1e293b;letter-spacing:-0.01em;border-bottom:1px solid #e5e7eb;padding-bottom:8px}
.sidebar-ranking-list,
.sidebar-article-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.sidebar-ranking-item,
.sidebar-article-list li{display:flex;align-items:center;gap:12px;padding:10px;border-radius:8px;background:#f8fafc;border:1px solid #f1f5f9;transition:background-color 0.2s ease,border-color 0.2s ease}
.sidebar-ranking-item:hover,
.sidebar-article-list li:hover{background:#eff6ff;border-color:#dbeafe}
.sidebar-ranking-item > a,
.sidebar-article-list li > a{display:flex;width:100%;text-decoration:none;color:inherit}
.sidebar-ranking-item > a{gap:12px;align-items:center}
.sidebar-article-list li > a{flex-direction:column;gap:6px}
.sidebar-rank-badge{width:32px;height:32px;border-radius:8px;background:#3b82f6;color:#fff;font-weight:700;font-size:0.95rem;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:background-color 0.2s ease}
.sidebar-ranking-item:hover .sidebar-rank-badge{background:#2563eb}
.sidebar-article-body{flex:1;min-width:0}
.sidebar-article-title{margin:0;font-size:0.9rem;font-weight:600;color:#1e293b;line-height:1.4;transition:color 0.2s ease}
.sidebar-article-meta{display:flex;gap:10px;font-size:0.75rem;color:#64748b;margin-top:6px;flex-wrap:wrap;align-items:center}
.sidebar-article-meta svg{width:12px;height:12px}
.sidebar-badge{display:inline-block;font-size:0.7rem;font-weight:700;color:#9333ea;background:#ede9fe;border-radius:999px;padding:2px 8px;margin-right:6px}
.sidebar-category-label{display:inline-flex;align-items:center;gap:6px;font-size:0.75rem;font-weight:600;color:#475569;margin-bottom:8px;text-transform:uppercase;letter-spacing:0.04em}
.sidebar-category-pill-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.sidebar-category-pill-list li{margin:0}
.sidebar-category-pill-list a{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #c7d2fe;font-size:0.82rem;color:#1d4ed8;text-decoration:none;font-weight:600;transition:background .2s ease,color .2s ease}
.sidebar-category-pill-list a:hover{background:#1d4ed8;color:#fff}
.sidebar-empty{margin:0;font-size:0.85rem;color:#6b7280;padding:16px;text-align:center;background:#fff;border-radius:16px;box-shadow:inset 0 0 0 1px rgba(99,102,241,0.12)}
.sidebar-placeholder{color:#94a3b8;font-size:0.85rem;padding:4px 0}

@media (max-width:1180px){
  .article-layout{flex-direction:column}
  .article-sidebar{width:100%;max-width:none;height:auto;position:relative;top:auto;overflow:visible}
  .article-sidebar-inner{padding-top:0;padding-bottom:0;margin-top:20px;position:relative;top:auto;max-height:none;overflow:visible}
  .sidebar-block-group{padding-top:0}
  .article-main-column{padding:22px 20px 36px}
}
@media (max-width:768px){
  .article-main-column{padding:18px 16px 32px;border-radius:0}
  .article-sidebar{border-radius:0}
  .article-sidebar-inner{padding:18px 16px;border-radius:0}
  .sidebar-block-group{gap:16px}
  .sidebar-block{border-radius:10px;padding:14px}
  .sidebar-title{font-size:0.95rem;margin-bottom:10px;padding-bottom:7px}
  .sidebar-ranking-list,.sidebar-article-list{gap:6px}
  .sidebar-ranking-item,
  .sidebar-article-list li{padding:8px;border-radius:6px}
  .sidebar-rank-badge{width:28px;height:28px;font-size:0.85rem;border-radius:6px}
  .sidebar-article-title{font-size:0.85rem}
  .sidebar-article-meta{font-size:0.7rem;gap:8px;margin-top:5px}
}