/* ============================================================
   銀星創意 — Base reset / element defaults
   Lightweight, token-bound. Only applies to bare elements so it
   never fights component styles.
   ============================================================ */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font: var(--type-body);
  letter-spacing: var(--ls-tight);
  color: var(--sys-text-body);
  background: var(--sys-surface-app);
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--sys-text);
  letter-spacing: var(--ls-med);
}
h1 { font: var(--type-h1); letter-spacing: var(--ls-display); }
h2 { font: var(--type-h2); }
h3 { font: var(--type-h3); }
h4 { font: var(--type-h4); }

p { margin: 0; }

a {
  color: var(--sys-link);
  text-decoration: none;
}
a:hover { color: var(--sys-link-hover); }

button { font-family: inherit; }

/* Accessible default focus — visible on every focusable element */
:focus-visible {
  outline: 2px solid var(--sys-accent-strong);
  outline-offset: 2px;
}

::selection {
  background: var(--ref-opacity-gold-25);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}