:root {
  --canvas: #fbfaf7;
  --canvas-warm: #f5efe7;
  --surface: #ffffff;
  --surface-soft: #f8f4ee;
  --text: #2e2925;
  --text-secondary: #6e655e;
  --text-muted: #9c9289;
  --accent: #3b342f;
  --accent-hover: #27231f;
  --accent-soft: #e8e1d8;
  --border: #e7e0d7;
  --shadow: 0 14px 40px rgba(46, 41, 37, 0.07);
  --max-width: 760px;
}

* { box-sizing: border-box; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--canvas);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Apple SD Gothic Neo", "Noto Sans KR",
    "Hiragino Sans", sans-serif;
  color: var(--text);
  line-height: 1.72;
  letter-spacing: -0.01em;
  background:
    radial-gradient(circle at 92% 0%, rgba(225, 207, 187, 0.5), transparent 30rem),
    linear-gradient(180deg, #fffdf9 0%, var(--canvas) 42%, var(--canvas-warm) 100%);
}

a {
  color: var(--accent);
  text-decoration-color: rgba(59, 52, 47, 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
  color: var(--accent-hover);
  text-decoration-color: currentColor;
}

header.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(231, 224, 215, 0.9);
  background: rgba(255, 253, 249, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.brand::before {
  content: "R";
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.65rem;
  color: #fff;
  background: #d9c3ad;
  font-size: 0.9rem;
  font-weight: 900;
  box-shadow: 0 4px 10px rgba(46, 41, 37, 0.08);
}

.lang-nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  padding: 0.2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.lang-nav a {
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
}

.lang-nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

article {
  position: relative;
  overflow: hidden;
  padding: clamp(1.35rem, 4vw, 2.5rem);
  border: 1px solid rgba(231, 224, 215, 0.95);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow);
}

article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, #d6bfa8, #eee1d4, #d6bfa8);
}

h1,
h2,
h3 {
  color: var(--text);
  letter-spacing: -0.035em;
}

h1 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.8rem, 6vw, 2.35rem);
  line-height: 1.18;
  font-weight: 850;
}

.meta {
  display: inline-flex;
  margin: 0 0 1.35rem;
  padding: 0.32rem 0.68rem;
  border-radius: 999px;
  color: var(--text-secondary);
  background: var(--surface-soft);
  font-size: 0.8rem;
  font-weight: 600;
}

nav.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.4rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-soft);
  font-size: 0.84rem;
}

nav.page-nav a {
  margin: 0;
  padding: 0.42rem 0.68rem;
  white-space: nowrap;
  border-radius: 0.65rem;
  background: var(--surface);
  text-decoration: none;
  font-weight: 700;
}

h2 {
  margin: 2rem 0 0.7rem;
  padding-top: 0.15rem;
  font-size: 1.3rem;
  line-height: 1.35;
  font-weight: 800;
}

h3 {
  margin: 1.2rem 0 0.4rem;
  font-size: 1.05rem;
  line-height: 1.4;
  font-weight: 750;
}

p,
ul,
ol {
  margin: 0.55rem 0 0.9rem;
}

ul,
ol { padding-left: 1.35rem; }
li + li { margin-top: 0.32rem; }

.clause-toc {
  margin: 0 0 1.7rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-soft);
  font-size: 0.91rem;
}

.clause-toc .toc-label {
  margin: 0 0 0.65rem;
  color: var(--text);
  font-weight: 800;
}

.clause-toc ol {
  display: grid;
  gap: 0.38rem;
  margin: 0;
  padding-left: 1.3rem;
}

.clause-toc li { margin: 0; }
.clause { scroll-margin-top: 6rem; }

.clause:first-of-type h2,
.clause-supplement h2 { margin-top: 1.35rem; }

.clause-supplement {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.status-box {
  margin: 1.2rem 0;
  padding: 0.95rem 1rem;
  border: 1px solid #e7d7c8;
  border-left: 4px solid #c9785c;
  border-radius: 0.9rem;
  background: #fff8f2;
  font-size: 0.91rem;
}

footer.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem calc(2rem + env(safe-area-inset-bottom));
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.operator-footer,
.operator-disclosure,
.site-footer .operator-info {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.72rem;
  line-height: 1.55;
}

.operator-footer p,
.operator-disclosure p { margin: 0; }

.hero {
  padding: 2.2rem 0 1.2rem;
  text-align: center;
}

.hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
.hero p { color: var(--text-secondary); font-size: 1rem; }

.link-grid {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.link-grid a {
  display: block;
  padding: 1.05rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 8px 20px rgba(46, 41, 37, 0.04);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}

.link-grid a span {
  display: block;
  margin-top: 0.28rem;
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 450;
}

@media (max-width: 540px) {
  header.site-header { padding: 0.75rem; }
  .header-inner { align-items: flex-start; }
  .brand { width: 100%; }
  .lang-nav { width: 100%; justify-content: space-between; }
  .lang-nav a { flex: 1; text-align: center; }
  main { padding: 0.9rem 0.75rem 3rem; }
  article { border-radius: 1.25rem; padding: 1.35rem 1rem 1.6rem; }
  nav.page-nav { gap: 0.35rem; }
  nav.page-nav a { font-size: 0.8rem; }
}

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