:root {
  color-scheme: light;
  --ink: #15151d;
  --muted: #626371;
  --line: #dedfe7;
  --paper: #fbfaf6;
  --white: #ffffff;
  --coral: #ff5b4f;
  --mint: #1eb99a;
  --blue: #2f74e0;
  --gold: #f6b536;
  --shadow: 0 22px 60px rgba(22, 25, 38, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); }
a { color: inherit; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(21, 21, 29, 0.08);
  background: rgba(251, 250, 246, 0.92);
  backdrop-filter: blur(18px);
}

.nav-inner,
.footer-inner {
  width: min(960px, calc(100% - 36px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-inner { min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; text-decoration: none; }
.brand img { width: 38px; height: 38px; border-radius: 8px; box-shadow: 0 8px 20px rgba(21, 21, 29, 0.16); }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 0.95rem; font-weight: 700; }
.nav-links a { text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--blue); }

main { width: min(960px, calc(100% - 36px)); margin: 0 auto; padding: 64px 0 80px; }
.intro { max-width: 760px; margin-bottom: 40px; }
.app-label { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.app-label img { width: 72px; height: 72px; border-radius: 8px; box-shadow: var(--shadow); }
.eyebrow { color: var(--blue); font-size: 0.82rem; font-weight: 850; letter-spacing: 0; text-transform: uppercase; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.35rem, 7vw, 4.75rem); line-height: 0.98; letter-spacing: 0; }
.lede { max-width: 720px; margin: 22px 0 0; color: #454651; font-size: 1.18rem; line-height: 1.7; }
.effective { margin: 16px 0 0; color: var(--muted); font-weight: 700; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 36px; align-items: start; }
.policy { min-width: 0; }
.section-block { padding: 30px 0; border-top: 1px solid var(--line); }
.section-block:first-child { border-top: 0; padding-top: 0; }
h2 { margin: 0 0 14px; font-size: 1.45rem; line-height: 1.25; letter-spacing: 0; }
h3 { margin: 24px 0 10px; font-size: 1.05rem; letter-spacing: 0; }
p, li { font-size: 1rem; line-height: 1.7; }
p { margin: 0 0 14px; }
ul { margin: 12px 0 0; padding-left: 22px; }
li + li { margin-top: 9px; }
.plain-link { color: #185bb8; font-weight: 750; text-underline-offset: 3px; }

.side-card {
  position: sticky;
  top: 96px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(22, 25, 38, 0.08);
}
.side-card h2 { font-size: 1.05rem; }
.side-card p { color: var(--muted); font-size: 0.94rem; }
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  color: white;
  background: #171820;
  font-weight: 800;
  text-decoration: none;
}
.button:focus-visible, a:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.detail-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
.detail-list li { padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.detail-list strong { display: block; margin-bottom: 4px; }

.footer { border-top: 1px solid var(--line); background: var(--white); }
.footer-inner { min-height: 86px; color: var(--muted); font-size: 0.92rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer a { color: var(--ink); font-weight: 700; text-underline-offset: 3px; }

@media (max-width: 720px) {
  .nav-inner { align-items: flex-start; padding: 16px 0; }
  .nav-links { align-items: flex-end; gap: 10px; flex-direction: column; }
  main { padding-top: 44px; }
  .content-grid { grid-template-columns: 1fr; }
  .side-card { position: static; }
  .detail-list { grid-template-columns: 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; padding: 24px 0; }
}

@media (max-width: 460px) {
  .brand span { max-width: 150px; }
  .app-label img { width: 60px; height: 60px; }
  h1 { font-size: 2.5rem; }
}