* { box-sizing: border-box; }
html { scroll-padding-top: 1rem; }
body { margin: 0; background: #fff; color: #28231f; font: 16px/1.8 system-ui, -apple-system, "Noto Sans KR", sans-serif; word-break: keep-all; overflow-wrap: anywhere; letter-spacing: 0; }
a { color: #994000; text-underline-offset: 3px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #994000; outline-offset: 3px; }
header, main, footer { max-width: 920px; margin: auto; padding: 24px; }
header { border-bottom: 1px solid #e2dedb; }
header a { display: inline-block; padding: 8px 0; }
h1 { font-size: 28px; line-height: 1.4; }
h2 { font-size: 22px; line-height: 1.5; margin-top: 40px; border-top: 1px solid #e2dedb; padding-top: 24px; }
h3 { font-size: 18px; }
p, li { max-width: 78ch; }
li { margin: 8px 0; }
ul, ol { padding-left: 24px; }
code { font: inherit; background: #f4f3f2; padding: 1px 4px; }
details { border-bottom: 1px solid #e2dedb; padding: 16px 0; }
summary { cursor: pointer; font-weight: 600; }
nav ul { list-style: none; padding: 0; columns: 2; }
nav a { display: block; padding: 6px 0; }
footer { font-size: 13px; color: #57514c; border-top: 1px solid #e2dedb; }
.skip { position: absolute; left: -9999px; }
.skip:focus { position: static; }
@media (max-width: 600px) {
  header, main, footer { padding: 20px; }
  h1 { font-size: 25px; }
  nav ul { columns: 1; }
}
@media print {
  header, details, footer { display: none; }
  h2 { break-after: avoid; }
}