main { max-width: var(--content-width); margin: 0 auto; padding: 16px var(--page-gutter) 56px; }
  /* ヒーローは共通の tw-page-hero（base.css）を使用。ジャンプ導線も tw-page-hero-chip に集約。 */

  .two-col { display: grid; grid-template-columns: minmax(0, 1fr) var(--sidebar-width); gap: var(--content-gap); align-items: start; }
  .left-col, .right-col { min-width: 0; }
  .right-col { display: flex; flex-direction: column; gap: var(--sidebar-gap); }
  @media(min-width: 781px) { .right-col { position: static; } }
  @media(max-width: 780px) { .two-col { grid-template-columns: 1fr; } }

  .section { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); margin-bottom: var(--section-gap); scroll-margin-top: 130px; }
  /* 見出し(h2/h3/h4)は content.css に集約 */
  .section p { font-size: 13px; line-height: 1.85; color: var(--text-main); margin: 8px 0; }
  .lead { font-size: 12px; color: var(--text-sub); line-height: 1.7; margin-bottom: 16px; padding-left: 0; }
  .check-subhead { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 18px 0 8px; }
  .check-subhead h3 { margin: 0; }
  .check-subhead--image { align-items: flex-end; flex-direction: column; gap: 8px; }
  .check-heading-image { width: 100%; height: auto; display: block; }
  .checklist-count { flex-shrink: 0; min-width: 78px; text-align: center; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--border); background: var(--primary-ultra); color: var(--primary); font-size: 12px; font-weight: 900; line-height: 1.2; }
  .checklist-actions { justify-content: flex-end; margin-top: 12px; }

  .check-table { display: grid; gap: 8px; margin: 12px 0 4px; }
  .check-row { display: grid; grid-template-columns: minmax(140px, 0.8fr) 54px minmax(0, 1.5fr); gap: 10px; align-items: start; padding: 10px 12px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); }
  .check-row.header { background: var(--primary-ultra); color: var(--text-sub); font-size: 11px; font-weight: 800; letter-spacing: 0.4px; }
  .check-name { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; font-weight: 700; min-width: 0; }
  .check-name input { margin-top: 3px; accent-color: var(--primary); flex-shrink: 0; }
  .stars { font-family: 'Nunito', sans-serif; color: var(--yellow); font-size: 13px; font-weight: 900; white-space: nowrap; }
  .point { color: var(--text-sub); font-size: 12px; line-height: 1.65; }

  .mini-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 10px 0; }
  .mini-item { display: flex; align-items: flex-start; gap: 8px; padding: 9px 11px; background: var(--primary-ultra); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 12px; line-height: 1.55; }
  .mini-item input { margin-top: 2px; accent-color: var(--primary); flex-shrink: 0; }

  .card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 10px; }
  .item-card { border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff; padding: 12px; transition: box-shadow 0.15s, border-color 0.15s, transform 0.15s; }
  .item-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow); transform: translateY(-1px); }
  .item-card h4 { font-size: 13px; color: var(--text-main); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
  .item-card ul { list-style: none; display: grid; gap: 6px; }
  .item-card li { font-size: 12px; line-height: 1.55; color: var(--text-sub); padding-left: 16px; position: relative; }
  .item-card li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary-light); position: absolute; left: 0; top: 0.65em; }
  #season .item-card:nth-child(1) { background:#fff3f6; border-color:#f5c7d5; }
  #season .item-card:nth-child(2) { background:#fff6e6; border-color:#f6c976; }
  #season .item-card:nth-child(3) { background:#f7efe6; border-color:#c99a68; }
  #season .item-card:nth-child(4) { background:#eaf2fc; border-color:#aecdf2; }
  #season .item-card:nth-child(1) li::before { background:#e88aa6; }
  #season .item-card:nth-child(2) li::before { background:#e8951c; }
  #season .item-card:nth-child(3) li::before { background:#9a6a3a; }
  #season .item-card:nth-child(4) li::before { background:#3f7fd6; }
  #weather .item-card:nth-child(1) { background:#fff6e6; border-color:#f6c976; }
  #weather .item-card:nth-child(2) { background:#e8f7fc; border-color:#9fdcec; }
  #weather .item-card:nth-child(3) { background:#eaf2fc; border-color:#aecdf2; }
  #weather .item-card:nth-child(4) { background:#f4effc; border-color:#d6c1f0; }
  #weather .item-card:nth-child(1) li::before { background:#e8951c; }
  #weather .item-card:nth-child(2) li::before { background:#2ba6c9; }
  #weather .item-card:nth-child(3) li::before { background:#3f7fd6; }
  #weather .item-card:nth-child(4) li::before { background:#8b64c8; }

  .callout { background: var(--primary-ultra); border-left: 3px solid var(--primary); padding: 10px 14px; margin: 12px 0; border-radius: 0 6px 6px 0; font-size: 12px; color: var(--text-main); line-height: 1.75; }
  .warn { background: #fff8e6; border-left: 3px solid var(--yellow); color: #5a4500; padding: 10px 14px; margin: 12px 0; border-radius: 0 6px 6px 0; font-size: 12px; line-height: 1.75; }

  .tools-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin-bottom: var(--section-gap); }
  .tools-title { font-size: 11px; color: var(--text-muted); font-weight: 800; letter-spacing: 0.5px; margin-bottom: 10px; }
  .check-progress { margin: 10px 0 12px; }
  .progress { background: var(--primary-ultra); border-radius: 999px; height: 10px; overflow: hidden; margin: 8px 0 6px; }
  .progress-bar { height: 100%; width: 0; background: linear-gradient(90deg, var(--green), var(--primary-light)); border-radius: 999px; transition: width 0.2s; }
  .progress-text { font-size: 12px; color: var(--text-sub); line-height: 1.5; }
  .btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
  .btn { border: 1.5px solid var(--primary); border-radius: var(--radius-sm); background: #fff; color: var(--primary); font: inherit; font-size: 12px; font-weight: 800; padding: 8px 10px; cursor: pointer; transition: 0.15s; }
  .btn:hover { background: var(--primary-ultra); }

  .faq { display: grid; gap: 8px; margin-top: 10px; }
  details { border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff; padding: 10px 12px; }
  summary { cursor: pointer; font-size: 13px; font-weight: 800; color: var(--text-main); }
  details p { color: var(--text-sub); font-size: 12px; margin: 8px 0 0; }

  footer { max-width: var(--content-width); margin: 24px auto 0; padding: 18px 16px 28px; font-size: 11px; color: var(--text-sub); text-align: center; line-height: 1.7; }
  footer a { color: var(--primary); text-decoration: none; }

	  @media(max-width: 640px) {
	    main { padding: 14px 16px; overflow: hidden; }
    h1 { font-size: 22px; }
    .hero-top, .section { padding: 16px; }
    .hero-actions { padding: 12px 16px 16px; }
    .lead { padding-left: 0; }
    .check-subhead { align-items: flex-start; flex-direction: column; }
    .check-row, .check-row.header { grid-template-columns: 1fr; gap: 5px; }
    .check-row.header { display: none; }
    .stars::before { content: '重要度 '; color: var(--text-muted); font-family: 'Noto Sans JP', sans-serif; font-weight: 700; }
    .point::before { content: 'ポイント: '; color: var(--text-muted); font-weight: 700; }
    .mini-list, .card-grid { grid-template-columns: 1fr; }
  }