:root {
  color-scheme: light;
  --ink: #171816;
  --muted: #656660;
  --soft: #8d8e88;
  --paper: #f6f6f3;
  --white: #ffffff;
  --line: #dbdcd6;
  --accent: #3157e6;
  --accent-soft: #e9edff;
  --max-width: 1120px;
  --reading-width: 760px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.shell {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.language-link {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.language-link:hover { color: var(--ink); }

.hero {
  max-width: 900px;
  padding: clamp(84px, 12vw, 138px) 0 clamp(70px, 9vw, 104px);
}

.kicker {
  margin: 0 0 22px;
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1 {
  max-width: 830px;
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.8rem);
  font-weight: 650;
  letter-spacing: -0.052em;
  line-height: 0.98;
}

html[lang="ko"] h1 { word-break: keep-all; }

.hero-copy {
  max-width: 680px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.7vw, 1.2rem);
  line-height: 1.68;
}

.effective-date {
  display: inline-flex;
  margin-top: 28px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.policy-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, var(--reading-width));
  gap: clamp(44px, 8vw, 96px);
  align-items: start;
  padding-bottom: clamp(96px, 12vw, 144px);
}

.contents {
  position: sticky;
  top: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contents-title {
  margin: 0 0 14px;
  color: var(--soft);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contents ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: policy-section;
}

.contents li { counter-increment: policy-section; }

.contents a {
  display: grid;
  grid-template-columns: 24px 1fr;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.35;
  text-decoration: none;
}

.contents a::before {
  content: counter(policy-section, decimal-leading-zero);
  color: var(--soft);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.67rem;
}

.contents a:hover { color: var(--accent); }

.policy {
  min-width: 0;
  border-top: 1px solid var(--line);
}

.policy-section {
  padding: 44px 0 48px;
  border-bottom: 1px solid var(--line);
}

.section-number {
  margin: 0 0 13px;
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

h2 {
  margin: 0 0 22px;
  font-size: clamp(1.65rem, 3.1vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.13;
}

h3 {
  margin: 31px 0 11px;
  font-size: 1.03rem;
  font-weight: 700;
  letter-spacing: -0.018em;
}

.policy p,
.policy li {
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.72;
}

.policy p { margin: 0 0 16px; }
.policy p:last-child { margin-bottom: 0; }

.policy ul {
  display: grid;
  gap: 9px;
  margin: 14px 0 18px;
  padding-left: 1.2rem;
}

.policy strong { color: var(--ink); font-weight: 700; }

.policy a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.notice {
  margin: 24px 0 4px;
  padding: 20px 22px;
  border-radius: 10px;
  background: var(--accent-soft);
}

.notice p { color: #293a86; }

.contact-card {
  display: grid;
  gap: 9px;
  margin-top: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
}

.contact-card p { margin: 0; }

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 104px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-links { display: flex; gap: 22px; }
.footer-links a { text-underline-offset: 4px; }

@media (max-width: 820px) {
  .policy-layout { grid-template-columns: 1fr; gap: 36px; }
  .contents { position: static; }
  .contents ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .shell { width: min(calc(100% - 30px), var(--max-width)); }
  .site-header { min-height: 68px; }
  .hero { padding: 76px 0 66px; }
  h1 { font-size: clamp(2.8rem, 14vw, 4.2rem); }
  .contents ol { grid-template-columns: 1fr; }
  .policy-section { padding: 38px 0 42px; }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 30px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}