*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --ink: #1a1a1a; --body: #3a3a3a; --muted: #888;
  --light: #f5f3f0; --border: #e2dedd; --accent: #b8a898; --bg: #fdfcfb;
  --legal-header-h: 52px;
  --legal-anchor-gap: 16px;
}
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--legal-header-h) + var(--legal-anchor-gap)); }
.section[id] { scroll-margin-top: calc(var(--legal-header-h) + var(--legal-anchor-gap)); }
body {
  font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  font-size: 15px; line-height: 1.85; color: var(--body); background: var(--bg);
}
.page {
  display: grid; grid-template-columns: 220px 1fr;
  max-width: 1020px; margin: 0 auto; padding: 40px 24px 100px; gap: 64px;
}
@media (max-width: 720px) {
  .page { grid-template-columns: 1fr; gap: 0; padding: 40px 20px 80px; }
  .sidebar { display: none; }
}
.sidebar {
  position: sticky;
  top: calc(var(--legal-header-h) + var(--legal-anchor-gap));
  align-self: start;
  max-height: calc(100vh - var(--legal-header-h) - var(--legal-anchor-gap) * 2);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding-right: 4px;
}
.sidebar-brand { font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 24px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a {
  font-size: 13px; color: var(--muted); text-decoration: none;
  padding: 5px 0 5px 12px; border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.sidebar nav a:hover { color: var(--ink); border-left-color: var(--accent); }
.main > header { border-bottom: 1px solid var(--border); padding-bottom: 32px; margin-bottom: 52px; }
.brand-tag { font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
h1 { font-size: 28px; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; line-height: 1.3; }
.meta { font-size: 13px; color: var(--muted); margin-top: 10px; }
.intro {
  font-size: 14px; color: #666; line-height: 1.85; margin-bottom: 52px;
  padding: 20px 22px; background: var(--light); border-left: 3px solid var(--accent); border-radius: 2px;
}
.section { margin-bottom: 52px; }
h2 { font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
h3 { font-size: 13px; font-weight: 700; color: var(--ink); margin: 20px 0 8px; }
p { color: #555; margin-bottom: 10px; font-size: 14px; }
ul { padding-left: 18px; color: #555; font-size: 14px; }
ul li { margin-bottom: 5px; }
.table-wrap { overflow-x: auto; margin: 10px 0; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 480px; }
th { background: var(--light); color: var(--ink); font-weight: 700; padding: 10px 14px; text-align: left; border: 1px solid var(--border); }
td { padding: 10px 14px; border: 1px solid var(--border); color: #555; vertical-align: top; line-height: 1.65; }
tr:nth-child(even) td { background: #faf8f6; }
.tag {
  display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.05em;
  padding: 2px 7px; border-radius: 2px; vertical-align: middle; margin-left: 6px;
}
.tag-required { background: #1d1d1f; color: #ffffff; }
.tag-optional { background: #f5f5f7; color: #1d1d1f; border: 1px solid #d2d2d7; }
.tag-auto     { background: #f5f5f7; color: #86868b; }
.tag-future   { background: #f5f5f7; color: #86868b; border: 1px solid #d2d2d7; }
.tag-consent  { background: #1d1d1f; color: #ffffff; }
.notice {
  background: var(--light); border-left: 3px solid var(--accent);
  padding: 14px 18px; font-size: 13px; color: #666; border-radius: 2px; margin: 14px 0; line-height: 1.75;
}
.notice-ad {
  background: #f5f5f7; border-left: 3px solid #1d1d1f;
  padding: 14px 18px; font-size: 13px; color: #6e6e73; border-radius: 2px; margin: 14px 0; line-height: 1.75;
}
.contact-box { background: var(--light); border-radius: 6px; padding: 22px 26px; font-size: 14px; }
.contact-box p { margin-bottom: 6px; }
.contact-box strong { color: var(--ink); }
.contact-box .ext-links { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); line-height: 1.9; }
.contact-box .ext-links a { color: #666; text-decoration: underline; text-underline-offset: 2px; }
footer { border-top: 1px solid var(--border); padding-top: 24px; margin-top: 12px; font-size: 12px; color: var(--muted); }

/* 사이드바 그룹 라벨 (terms 3부 구분) */
.sidebar .nav-group {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--ink); text-transform: uppercase;
  margin: 18px 0 6px;
}
.sidebar .nav-group:first-child { margin-top: 0; }
/* 부(部) 구분 큰 제목 */
.part-title {
  font-size: 20px; font-weight: 700; color: var(--ink);
  letter-spacing: -0.02em; margin: 64px 0 8px; padding-top: 8px;
}
.part-title:first-of-type { margin-top: 0; }
.part-meta { font-size: 13px; color: var(--muted); margin-bottom: 28px; }