:root {
  color-scheme: light dark;
  --bg: #fafaf7;
  --fg: #1f2328;
  --muted: #5d646c;
  --line: #dcdcd4;
  --link: #1a5fb4;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e6e8ea;
    --muted: #9aa1a9;
    --line: #2c3036;
    --link: #8ab4f8;
    --card: #1c1f23;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0 auto;
  max-width: 42rem;
  padding: 1.5rem 1rem 3rem;
  background: var(--bg);
  color: var(--fg);
  font: 1rem/1.75 system-ui, -apple-system, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
h1 { font-size: 1.5rem; line-height: 1.35; margin: 0 0 .25rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 .5rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.sub { margin: 0; color: var(--muted); }
ul { padding-left: 1.2rem; margin: .5rem 0; }
li { margin: .4rem 0; }
a { color: var(--link); }
.contact { display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; margin: .5rem 0; }
.contact dt { color: var(--muted); }
.contact dd { margin: 0; }
.apps { list-style: none; padding: 0; }
.apps li { margin: .75rem 0; padding: .9rem 1rem; background: var(--card); border: 1px solid var(--line); border-radius: .6rem; }
.apps a { font-weight: 600; }
.apps span { display: block; color: var(--muted); font-size: .92rem; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
footer p { margin: 0; }
.back { margin-top: 2rem; }