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

  /* ===== Signs section (dark) ===== */
  .signs { background: var(--ink-950); color: var(--white); }
  .signs .section-title { color: var(--white); }
  .signs .section-sub { color: var(--ink-200); }
  .signs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 40px;
  }
  .sign-item {
    border: 1px solid var(--border-w10);
    padding: 24px;
    display: flex; gap: 16px; align-items: flex-start;
  }
  .sign-item .n {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 22px; font-weight: 700;
    color: var(--gold);
    line-height: 1;
    flex-shrink: 0;
  }
  .sign-item .t {
    font-size: 14px; color: var(--ink-200);
    line-height: 1.6;
  }

  /* ===== Material table ===== */
  .mat-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
  }
  .mat-table th, .mat-table td {
    text-align: left;
    padding: 16px 20px;
    border-bottom: 1px solid #e6ebf2;
    font-size: 14px;
    vertical-align: top;
  }
  .mat-table th {
    background: var(--ink-900);
    color: var(--white);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 0.05em;
  }
  .mat-table td:first-child {
    font-weight: 500;
    color: var(--ink-900);
    width: 22%;
  }
  .mat-table td:nth-child(2) { color: var(--ink-400); width: 28%; }
  .mat-table td:nth-child(3) { color: var(--ink-900); line-height: 1.6; }
  .mat-note {
    font-size: 13px; color: var(--ink-400);
    line-height: 1.7;
  }

  /* ===== Process steps ===== */
  .process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    position: relative;
  }
  .process-step {
    background: var(--bg-light);
    padding: 28px 24px;
    border-top: 3px solid var(--gold);
  }
  .process-step .pn {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 28px; font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 12px;
  }
  .process-step h4 {
    font-family: "Noto Serif SC", Georgia, serif;
    font-size: 17px; font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 10px;
  }
  .process-step p { font-size: 13px; color: var(--ink-400); line-height: 1.7; }

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

  @media (max-width: 1024px) {
    .scenarios { grid-template-columns: 1fr; }
    .signs-grid { grid-template-columns: 1fr 1fr; }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .case-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 640px) {
    .signs-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }
    .case-grid { grid-template-columns: 1fr; }
    .mat-table { font-size: 12px; }
    .mat-table th, .mat-table td { padding: 10px; }
  }