.page-hero {
      background: linear-gradient(145deg, #1e3d2a 0%, #0d2018 100%);
      color: #fff;
      padding: 3.5rem 0 3rem;
      text-align: center;
    }
    .page-hero h1 {
      font-size: clamp(1.7rem, 4vw, 2.4rem);
      font-weight: 900;
      margin-bottom: 0.75rem;
      letter-spacing: -0.02em;
    }
    .page-hero h1 em { font-style: normal; color: #7ecf95; }
    .page-hero p {
      color: rgba(255,255,255,0.7);
      font-size: 1rem;
      max-width: 560px;
      margin: 0 auto;
      line-height: 1.7;
      font-weight: 500;
    }

    .alphabet-body {
      padding: 3.5rem 0 5rem;
      background: var(--color-bg);
    }
    .alphabet-body .inner {
      max-width: 860px;
    }

    .script-section { margin-bottom: 4rem; }

    .script-heading {
      display: flex;
      align-items: baseline;
      gap: 0.75rem;
      margin-bottom: 0.6rem;
    }
    .script-heading h2 {
      font-size: 1.5rem;
      font-weight: 900;
      letter-spacing: -0.01em;
      color: var(--color-primary);
    }
    .script-tag {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      color: var(--color-accent);
      background: #e8f7ed;
      padding: 0.2rem 0.7rem;
      border-radius: 20px;
    }
    .script-desc {
      color: var(--color-text-muted);
      font-size: 0.95rem;
      line-height: 1.75;
      margin-bottom: 1.75rem;
      max-width: 640px;
      font-weight: 500;
    }

    .kana-chart { width: 100%; }
    .kana-row {
      display: grid;
      grid-template-columns: 34px repeat(5, 1fr);
      gap: 5px;
      margin-bottom: 5px;
    }
    .kana-row-label {
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.72rem;
      font-weight: 800;
      color: var(--color-text-muted);
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    .kana-cell {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 0.65rem 0.25rem 0.55rem;
      background: var(--color-bg-alt);
      border: 1.5px solid var(--color-border);
      border-radius: 10px;
      min-height: 74px;
      transition: background 0.15s, border-color 0.15s, transform 0.1s;
      cursor: default;
    }
    .kana-cell:hover {
      background: #d4eddb;
      border-color: var(--color-accent);
      transform: translateY(-2px);
    }
    .kana-cell--empty {
      background: #f7f7f7;
      border: 1.5px dashed #e0e0e0;
      pointer-events: none;
    }
    .kana-char {
      font-size: clamp(1.25rem, 3.5vw, 1.75rem);
      font-weight: 700;
      color: var(--color-primary);
      line-height: 1.2;
    }
    .kana-rom {
      font-size: clamp(0.6rem, 1.8vw, 0.71rem);
      font-weight: 700;
      color: var(--color-text-muted);
      margin-top: 4px;
      letter-spacing: 0.04em;
    }

    .kana-row--header .kana-cell {
      background: var(--color-primary);
      border-color: var(--color-primary);
      min-height: auto;
      padding: 0.45rem 0.25rem;
      border-radius: 8px;
    }
    .kana-row--header .kana-cell:hover {
      background: var(--color-primary);
      transform: none;
      cursor: default;
    }
    .kana-row--header .kana-rom {
      color: #7ecf95;
      font-size: 0.72rem;
      margin-top: 0;
    }

    .dakuten-note {
      background: var(--color-bg-alt);
      border: 1.5px solid var(--color-border);
      border-radius: var(--radius);
      padding: 1.5rem 1.75rem;
      margin-top: 1rem;
    }
    .dakuten-note h3 {
      font-size: 1rem;
      font-weight: 800;
      color: var(--color-primary);
      margin-bottom: 0.5rem;
    }
    .dakuten-note p {
      font-size: 0.9rem;
      color: var(--color-text-muted);
      line-height: 1.75;
      font-weight: 500;
      margin-bottom: 0.85rem;
    }
    .dakuten-examples {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
    }
    .dak-chip {
      background: #fff;
      border: 1.5px solid var(--color-border);
      border-radius: 8px;
      padding: 0.3rem 0.65rem;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--color-primary);
    }
    .dak-chip span {
      color: var(--color-text-muted);
      font-weight: 500;
      font-size: 0.78rem;
      margin-left: 3px;
    }

    .practice-cta {
      background: linear-gradient(135deg, #2b8045 0%, #1a5c30 100%);
      border-radius: var(--radius);
      padding: 2.5rem;
      text-align: center;
      margin-top: 3.5rem;
      color: #fff;
    }
    .practice-cta h2 {
      font-size: 1.4rem;
      font-weight: 900;
      margin-bottom: 0.6rem;
    }
    .practice-cta p {
      color: rgba(255,255,255,0.75);
      font-size: 0.95rem;
      margin-bottom: 1.5rem;
      font-weight: 500;
    }
    .cta-buttons {
      display: flex;
      gap: 0.75rem;
      justify-content: center;
      flex-wrap: wrap;
    }
    .cta-btn {
      display: inline-block;
      padding: 0.7rem 1.5rem;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 800;
      transition: opacity 0.15s, transform 0.15s;
    }
    .cta-btn:hover { opacity: 0.9; transform: translateY(-2px); }
    .cta-btn--hira { background: #fff; color: #1a5c30; }
    .cta-btn--kata { background: rgba(255,255,255,0.15); color: #fff; border: 2px solid rgba(255,255,255,0.4); }
    .cta-btn--kata:hover { color: #fff; }

    @media (max-width: 480px) {
      .kana-row { grid-template-columns: 26px repeat(5, 1fr); gap: 3px; margin-bottom: 3px; }
      .kana-cell { min-height: 60px; padding: 0.4rem 0.1rem; border-radius: 7px; }
      .dakuten-note { padding: 1.1rem 1rem; }
      .practice-cta { padding: 1.75rem 1.25rem; }
    }