/* ============ responsive.css: hover対応/prefers-reduced-motionなど環境条件によるCSS ============ */
  @media (hover: hover) {
    button.big:hover:not(:disabled) { background: var(--dw-btn-sheen), var(--dw-btn-hover); }
  }
  @media (hover: hover) {
    button.primary:hover:not(:disabled) { background: var(--dw-btn-sheen), #ecd093; }
  }
  @media (prefers-reduced-motion: reduce) {
    .dungeon-bg::after { animation: none; }
  }