:root {
  --hanji: #F3EAD7; --hanji-deep: #E8DABD; --fiber: #CDB894;
  --ink: #2B2622; --ink-sub: #6B6157; --seal: #B23A2E;
}
@media (prefers-color-scheme: dark) {
  :root {
    --hanji: #1B1916; --hanji-deep: #2A2621; --fiber: #4A4238;
    --ink: #EDE4D3; --ink-sub: #B5AA98; --seal: #D9584A;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--hanji); color: var(--ink);
  font-family: 'Gowun Batang', serif; line-height: 1.75; font-size: 15px;
  word-break: keep-all; overflow-wrap: break-word;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 48px; }
nav { margin-bottom: 28px; font-size: 14px; }
h1 { font-size: 26px; margin: 0 0 12px; }
h2 { font-size: 18px; margin: 32px 0 8px; padding-top: 4px; }
h3 { font-size: 15px; margin: 16px 0 4px; }
p { margin: 0 0 8px; }
ul, ol { margin: 0 0 8px; padding-left: 22px; }
li { margin-bottom: 4px; }
.intro { color: var(--ink-sub); }
.box { background: var(--hanji-deep); border: 1px solid var(--fiber); border-radius: 12px; padding: 14px 16px; margin: 8px 0; }
a { color: var(--seal); }
footer { border-top: 1px solid var(--fiber); margin-top: 40px; padding-top: 16px; font-size: 13px; color: var(--ink-sub); }