:root {
  color-scheme: light;
  --background: #fbfaf7;
  --surface: #ffffff;
  --foreground: #18181b;
  --muted: #656565;
  --subtle: #a1a1aa;
  --border: #e5e5e5;
  --brand: #2a5650;
  --brand-soft: #e2f9f5;
  --danger: #b5474d;
  --danger-soft: #fff1f2;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
}

body {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 20px 64px;
  background: var(--background);
  color: var(--foreground);
  font-family:
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

a {
  color: var(--brand);
  text-underline-offset: 3px;
}

header {
  margin-bottom: 36px;
}

.brand {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 7vw, 38px);
  line-height: 1.25;
}

h2 {
  margin: 40px 0 14px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--border);
  font-size: 20px;
  line-height: 1.4;
}

h3 {
  margin: 24px 0 8px;
  font-size: 17px;
}

p,
li {
  margin-top: 0;
}

ul,
ol {
  padding-left: 24px;
}

.effective-date,
.muted {
  color: var(--muted);
}

.effective-date {
  margin: 8px 0 0;
  font-size: 14px;
}

.card,
.notice,
.danger {
  margin: 18px 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.notice {
  border-color: #b8e6de;
  background: var(--brand-soft);
}

.danger {
  border-color: #fecdd3;
  background: var(--danger-soft);
}

.danger strong {
  color: var(--danger);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 12px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
}

.table-wrap {
  margin: 18px 0;
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 14px;
}

th,
td {
  padding: 11px 12px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--brand-soft);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 24px;
}

footer {
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 520px) {
  body {
    padding-inline: 16px;
  }

  .card,
  .notice,
  .danger {
    padding: 16px;
    border-radius: 14px;
  }
}