/* ===== Service list ===== */
  .svc-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .svc-card {
    background: var(--white);
    border: 1px solid #e6ebf2;
    padding: 32px;
    transition: box-shadow .2s, transform .2s;
  }
  .svc-card:hover { box-shadow: 0 12px 40px rgba(15, 76, 147, 0.08); transform: translateY(-2px); }
  .svc-num {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 28px; font-weight: 700; color: var(--gold);
    line-height: 1; margin-bottom: 16px;
  }
  .svc-card h3 {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 20px; font-weight: 700; color: var(--ink-900);
    margin-bottom: 12px;
  }
  .svc-card .desc { color: var(--ink-400); font-size: 14px; line-height: 1.75; margin-bottom: 16px; }
  .svc-scenarios { display: flex; flex-wrap: wrap; gap: 8px; }
  .svc-scenarios li {
    background: var(--bg-light); color: var(--ink-900);
    padding: 6px 12px; font-size: 13px; border: 1px solid #e6ebf2;
  }

  /* ===== When to reinforce (dark) ===== */
  .when { background: var(--ink-950); color: var(--white); }
  .when .section-title { color: var(--white); }
  .when .section-sub { color: var(--ink-200); }
  .when-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .when-item {
    border: 1px solid var(--border-w10);
    padding: 28px;
    display: flex; gap: 16px; align-items: flex-start;
  }
  .when-item .n {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 22px; font-weight: 700; color: var(--gold);
    line-height: 1; flex-shrink: 0;
  }
  .when-item .body h4 {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 17px; font-weight: 700; color: var(--white);
    margin-bottom: 8px;
  }
  .when-item .body p { font-size: 14px; color: var(--ink-200); line-height: 1.7; }

  /* ===== Method table ===== */
  .method-table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
  .method-table th, .method-table td {
    text-align: left; padding: 16px 20px;
    border-bottom: 1px solid #e6ebf2; font-size: 14px; vertical-align: top;
  }
  .method-table th {
    background: var(--ink-900); color: var(--white);
    font-weight: 500; font-size: 13px; letter-spacing: 0.05em;
  }
  .method-table td:first-child { font-weight: 500; color: var(--ink-900); }
  .method-table td:nth-child(n+2) { color: var(--ink-400); }
  .method-note { font-size: 13px; color: var(--ink-400); line-height: 1.7; }

  /* ===== Safety (dark) ===== */
  .safety { background: var(--ink-950); color: var(--white); }
  .safety .section-title { color: var(--white); }
  .safety .section-sub { color: var(--ink-200); }
  .safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .safety-card {
    border: 1px solid var(--border-w10);
    padding: 28px;
    border-left: 3px solid var(--gold);
  }
  .safety-card h4 {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 18px; font-weight: 700; color: var(--white);
    margin-bottom: 8px;
  }
  .safety-card p { font-size: 14px; color: var(--ink-200); line-height: 1.7; }

  /* ===== Related cases ===== */
  .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

  @media (max-width: 1024px) {
    .svc-list { grid-template-columns: 1fr; }
    .when-list { grid-template-columns: 1fr; }
    .safety-grid { grid-template-columns: 1fr; }
    .case-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .case-grid { grid-template-columns: 1fr; }
    .method-table { font-size: 12px; }
    .method-table th, .method-table td { padding: 10px; }
  }