/* base.css — 기본 스타일 */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); font-size: var(--fs-md); line-height: 1.6;
  color: var(--c-text); background: var(--c-bg); word-break: keep-all; overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { margin: 0; line-height: 1.3; letter-spacing: -0.02em; }
h1 { font-size: var(--fs-2xl); font-weight: var(--fw-heavy); color: var(--c-main); }
h2 { font-size: var(--fs-xl); font-weight: var(--fw-bold); }
h3 { font-size: var(--fs-lg); font-weight: var(--fw-bold); }
p { margin: 0; }
a { color: var(--c-main); text-underline-offset: 3px; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: none; box-shadow: var(--focus); }
[hidden] { display: none !important; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--c-muted); }
.small { font-size: var(--fs-sm); }
.nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }