:root {
  color-scheme: light;
  --bg: #f2f3f6;
  --surface: rgba(255, 255, 255, .8);
  --ink: #17191f;
  --muted: #686d78;
  --line: rgba(29, 34, 47, .11);
  --accent: #1769f5;
  --accent-soft: rgba(23, 105, 245, .09);
  --shadow: 0 24px 70px rgba(34, 40, 58, .11);
}

* { box-sizing: border-box }
html { min-height: 100%; scroll-behavior: smooth; background: var(--bg) }
body { margin: 0; min-height: 100vh; overflow-x: hidden; font-family: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif; color: var(--ink); background: linear-gradient(145deg, #fafafd 0%, #eff1f5 56%, #f7f7f9 100%) }
a { color: var(--accent); text-underline-offset: 3px }
.ambient { position: fixed; z-index: 0; border-radius: 50%; filter: blur(16px); pointer-events: none; opacity: .65 }
.ambient-blue { width: 620px; height: 620px; background: radial-gradient(circle, rgba(29, 105, 255, .2), transparent 68%); top: -310px; left: -230px }
.ambient-cyan { width: 580px; height: 580px; background: radial-gradient(circle, rgba(0, 190, 232, .14), transparent 68%); right: -280px; top: 28vh }

.topbar, main, footer { position: relative; z-index: 1 }
.topbar { width: min(1220px, calc(100% - 40px)); height: 82px; margin: auto; display: flex; align-items: center; justify-content: space-between }
.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); font-size: 18px; font-weight: 780; letter-spacing: -.02em; text-decoration: none }
.brand-icon { width: 40px; height: 40px; border-radius: 11px; box-shadow: 0 8px 20px rgba(36, 47, 80, .14) }
.back-link { padding: 11px 16px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.7); color: var(--ink); font-size: 13px; font-weight: 700; text-decoration: none }
.back-link:hover { border-color: rgba(23,105,245,.35); color: var(--accent) }

main { width: min(1160px, calc(100% - 40px)); margin: auto }
.hero { padding: clamp(72px, 10vw, 132px) 0 72px; max-width: 910px }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: 11px; font-weight: 840; letter-spacing: .19em }
.hero h1 { margin: 0; max-width: 900px; font-size: clamp(52px, 8.2vw, 102px); line-height: .96; letter-spacing: -.066em }
.hero h1 span { color: var(--accent) }
.lead { max-width: 660px; margin: 30px 0 0; color: var(--muted); font-size: clamp(18px, 2.2vw, 23px); line-height: 1.55; letter-spacing: -.015em }
.updated { margin: 22px 0 0; color: var(--muted); font-size: 13px }

.summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 96px }
.summary article { min-height: 260px; padding: 28px; border: 1px solid rgba(255,255,255,.9); border-radius: 28px; background: var(--surface); box-shadow: var(--shadow); backdrop-filter: blur(26px); -webkit-backdrop-filter: blur(26px) }
.summary-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 38px; border-radius: 15px; background: linear-gradient(145deg, var(--accent), #5b4cf4); color: #fff; font-size: 23px; font-weight: 800; box-shadow: 0 13px 26px rgba(23,105,245,.22) }
.summary h2 { margin: 0 0 10px; font-size: 21px; letter-spacing: -.03em }
.summary p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65 }

.document-layout { display: grid; grid-template-columns: 230px minmax(0, 760px); justify-content: space-between; align-items: start; gap: 72px }
.toc { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 4px; padding: 18px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.64) }
.toc p { margin: 4px 10px 10px; color: var(--muted); font-size: 10px; font-weight: 820; letter-spacing: .15em; text-transform: uppercase }
.toc a { padding: 9px 10px; border-radius: 10px; color: var(--muted); font-size: 12px; font-weight: 650; text-decoration: none }
.toc a:hover { color: var(--accent); background: var(--accent-soft) }

.privacy-document section { scroll-margin-top: 28px; padding: 0 0 74px; margin-bottom: 72px; border-bottom: 1px solid var(--line) }
.privacy-document section:last-child { border-bottom: 0 }
.section-number { margin: 0 0 13px; color: var(--accent); font-size: 11px; font-weight: 850; letter-spacing: .15em }
.privacy-document h2 { margin: 0 0 26px; font-size: clamp(31px, 4vw, 46px); letter-spacing: -.05em; line-height: 1.08 }
.privacy-document h3 { margin: 32px 0 8px; font-size: 18px; letter-spacing: -.025em }
.privacy-document p, .privacy-document address { margin: 0 0 18px; color: #464b55; font-size: 16px; line-height: 1.75 }
.privacy-document strong { color: var(--ink) }
.privacy-document address { padding: 20px 22px; border-left: 3px solid var(--accent); border-radius: 0 16px 16px 0; background: var(--accent-soft); font-style: normal }
.purpose-list { display: grid; gap: 10px; margin: 0 0 24px }
.purpose-list div { padding: 18px 20px; border: 1px solid var(--line); border-radius: 17px; background: rgba(255,255,255,.6); display: flex; flex-direction: column; gap: 6px }
.purpose-list strong { font-size: 14px; line-height: 1.4 }
.purpose-list span { color: var(--muted); font-size: 13px; line-height: 1.45 }

footer { width: min(1160px, calc(100% - 40px)); margin: 28px auto 0; padding: 44px 0 54px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr repeat(3, auto); align-items: center; gap: 24px }
.footer-brand .brand-icon { width: 34px; height: 34px; border-radius: 9px }
footer p, footer > a:last-child { margin: 0; color: var(--muted); font-size: 13px }

@media (max-width: 900px) {
  .summary { grid-template-columns: 1fr; margin-bottom: 72px }
  .summary article { min-height: 0 }
  .summary-icon { margin-bottom: 24px }
  .document-layout { grid-template-columns: 1fr; gap: 44px }
  .toc { position: static; display: grid; grid-template-columns: repeat(2, 1fr) }
  .toc p { grid-column: 1 / -1 }
}

@media (max-width: 600px) {
  .topbar, main, footer { width: min(100% - 28px, 1160px) }
  .topbar { height: 70px }
  .back-link { padding: 9px 12px }
  .hero { padding: 58px 0 54px }
  .hero h1 { font-size: clamp(46px, 15.5vw, 68px) }
  .summary article { padding: 23px; border-radius: 23px }
  .toc { grid-template-columns: 1fr }
  .toc p { grid-column: auto }
  .privacy-document section { padding-bottom: 52px; margin-bottom: 54px }
  .privacy-document p, .privacy-document address { font-size: 15px }
  footer { grid-template-columns: 1fr; align-items: start }
}

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