:root {
  color-scheme: light;
  --ink: #08142f;
  --blue: #0056f6;
  --muted: #5b6578;
  --line: #e0e4eb;
  --pale: #f0f5ff;
  --white: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: var(--blue); }

.topbar {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 960px;
  padding: 22px 24px;
}

.brand {
  color: var(--ink);
  font-size: 19px;
  font-weight: 750;
  text-decoration: none;
}

nav { display: flex; gap: 22px; }
nav a { color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
nav a[aria-current="page"] { color: var(--blue); }

main { margin: 0 auto; max-width: 760px; padding: 72px 24px 64px; }
.hero { padding-bottom: 58px; }
.eyebrow { color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .12em; margin: 0 0 16px; }
h1 { font-size: clamp(48px, 9vw, 74px); letter-spacing: -.055em; line-height: .98; margin: 0 0 24px; }
h2 { font-size: 23px; letter-spacing: -.025em; margin: 0 0 12px; }
.intro { color: var(--muted); font-size: 19px; margin: 0 0 30px; max-width: 650px; }
.button { background: var(--blue); border-radius: 8px; color: var(--white); display: inline-block; font-weight: 750; padding: 13px 18px; text-decoration: none; }

.panel { border: 1px solid var(--line); border-radius: 14px; padding: 26px; }
details { border-top: 1px solid var(--line); padding: 17px 0; }
details:first-of-type { margin-top: 12px; }
details:last-child { padding-bottom: 0; }
summary { cursor: pointer; font-weight: 700; }
details p { color: var(--muted); margin: 11px 0 0; }
.notice { background: var(--pale); border-radius: 14px; margin-top: 22px; padding: 26px; }
.notice p { color: var(--muted); margin: 0; }

.policy h1 { font-size: clamp(44px, 8vw, 66px); }
.updated { color: var(--muted); margin: 0 0 48px; }
.policy section { border-top: 1px solid var(--line); padding: 25px 0 16px; }
.policy section p { color: var(--muted); }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  font-size: 13px;
  gap: 22px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 960px;
  padding: 24px;
}

.footer-links { display: flex; gap: 22px; }

@media (max-width: 540px) {
  .topbar { padding: 18px 18px; }
  main { padding: 52px 18px; }
  nav { gap: 14px; }
  .footer-links { gap: 14px; }
  .panel, .notice { padding: 21px; }
}