:root {
  --ink: #16171a;
  --ink-soft: #5b5f66;
  --ink-faint: #8b9098;
  --rule: #e3e5e8;
  --paper: #fbfbf9;
  --accent: #2f4858;
  --measure: 44rem;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 6rem;
}

header.doc {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.75rem;
  margin-bottom: 2.5rem;
}

.eyebrow {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin: 0 0 0.5rem;
}

.eyebrow a {
  color: inherit;
  text-decoration: none;
}

.eyebrow a:hover { text-decoration: underline; }

h1 {
  font-size: 1.75rem;
  line-height: 1.35;
  font-weight: 700;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.meta {
  font-size: 0.875rem;
  color: var(--ink-soft);
  margin: 0;
}

h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 3rem 0 0.875rem;
  padding-top: 0.25rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 2rem 0 0.5rem;
  color: var(--accent);
}

p { margin: 0 0 1rem; }

ul, ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

li { margin-bottom: 0.375rem; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9375rem;
}

th, td {
  border-bottom: 1px solid var(--rule);
  padding: 0.75rem 0.5rem;
  text-align: left;
  vertical-align: top;
}

th {
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  border-bottom-width: 2px;
}

td:first-child, th:first-child { padding-left: 0; }
td:last-child, th:last-child { padding-right: 0; }

a { color: var(--accent); }

.callout {
  border-left: 3px solid var(--accent);
  padding: 0.125rem 0 0.125rem 1rem;
  margin: 1.5rem 0;
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

footer.doc {
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

footer.doc dl {
  margin: 0;
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.375rem 1rem;
}

footer.doc dt { color: var(--ink-faint); }
footer.doc dd { margin: 0; }

@media (max-width: 34rem) {
  .wrap { padding: 2.5rem 1.25rem 4rem; }
  h1 { font-size: 1.5rem; }
  table { font-size: 0.875rem; }
  th, td { padding: 0.625rem 0.375rem; }
  footer.doc dl { grid-template-columns: 1fr; gap: 0 0; }
  footer.doc dt { margin-top: 0.625rem; }
}