/* ノウハウ記事の入口ページ */
.article-filters input[type="search"] { flex: 1 1 240px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; font-size: .95rem; min-width: 0; }
.filter-note { margin: 8px 0 0; font-size: .8rem; }
.article-hub .hub-block { margin-bottom: 44px; }
.hub-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.hub-head .section-title { margin: 0; }
.hub-head a { font-size: .9rem; }
.phase-links { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; }
.phase-links a { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); color: var(--text); text-decoration: none; background: #fff; }
.phase-links a:hover { border-color: var(--accent); background: var(--accent-soft); }
.phase-links small { color: var(--muted); white-space: nowrap; }
.series-grid, .collection-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.series-box, .collection-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; background: #fff; }
.series-box h3, .collection-box h3 { margin: 0 0 4px; font-size: 1.1rem; }
.series-box h3 a { color: var(--text); text-decoration: none; }
.collection-box h3 small { font-size: .85rem; font-weight: 400; color: var(--muted); }
.series-box details { margin-top: 12px; }
.series-box summary { cursor: pointer; font-size: .9rem; color: var(--accent); }
.series-box ol { margin: 8px 0 0; padding-left: 1.6em; font-size: .9rem; line-height: 1.7; }
.collection-box ul { margin: 10px 0 14px; padding-left: 1.2em; font-size: .92rem; line-height: 1.7; }
.tag-translation { background: var(--accent-soft); color: var(--accent); }
.result-count { margin: 0 0 12px; }
@media (max-width: 600px) {
  .phase-links { grid-template-columns: 1fr 1fr; }
  .series-grid, .collection-grid { grid-template-columns: 1fr; }
}

.sba-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.sba-grid .series-box ol { margin-top: 10px; }