:root {
  --paper: #faf7f0;
  --ink: #1a1a1a;
  --ink-gray: #6b6b63;
  --ink-faint: #d8d4c8;
  --amber: #e8890a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo",
    "Noto Sans KR", "Malgun Gothic", sans-serif;
  line-height: 1.7;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.site-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

header.site-header .mark {
  font-size: 28px;
}

header.site-header h1 {
  font-size: 22px;
  margin: 0;
}

header.site-header .lang-switch {
  margin-left: auto;
  font-size: 14px;
  color: var(--ink-gray);
  text-decoration: none;
  border: 1px solid var(--ink-faint);
  border-radius: 999px;
  padding: 4px 12px;
}

header.site-header .lang-switch:hover {
  color: var(--ink);
  border-color: var(--amber);
}

nav.doc-links {
  display: flex;
  gap: 16px;
  margin: 24px 0 40px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--ink);
}

nav.doc-links a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 2px;
}

nav.doc-links a:hover {
  opacity: 0.75;
}

h1.doc-title {
  font-size: 28px;
  margin: 8px 0 4px;
}

.effective-date {
  color: var(--ink-gray);
  font-size: 14px;
  margin-bottom: 24px;
}

h2 {
  font-size: 20px;
  border-left: 5px solid var(--amber);
  padding-left: 12px;
  margin-top: 40px;
}

h3 {
  font-size: 17px;
  margin-top: 28px;
}

p, li {
  font-size: 15.5px;
}

ul {
  padding-left: 22px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

th, td {
  border: 1px solid var(--ink-faint);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f0ede3;
}

strong {
  font-weight: 700;
}

.card {
  background: #fff;
  border: 1.5px solid var(--ink);
  border-radius: 16px;
  padding: 28px 32px;
}

footer.site-footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--ink-faint);
  color: var(--ink-gray);
  font-size: 13px;
}

.index-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.index-links a {
  display: block;
  background: #fff;
  border: 1.5px solid var(--ink);
  border-radius: 14px;
  padding: 18px 20px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
}

.index-links a span {
  display: block;
  font-weight: 400;
  font-size: 13px;
  color: var(--ink-gray);
  margin-top: 4px;
}

.index-links a:hover {
  border-color: var(--amber);
}