:root {
  --bg: #07111b;
  --panel: #0d1c29;
  --ink: #edf7ff;
  --muted: #9bb0c0;
  --line: #284052;
  --blue: #8ed9f5;
  --orange: #f29a57;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 15% 0, rgba(74, 141, 181, 0.18), transparent 34rem), var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.7;
}
.shell { width: min(920px, calc(100% - 36px)); margin: auto; }
header { border-bottom: 1px solid var(--line); background: rgba(7, 17, 27, 0.9); }
header .shell { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; }
header img { width: 190px; height: auto; }
.back { color: var(--blue); text-decoration: none; font-weight: 700; }
.back:hover { text-decoration: underline; }
main { padding: 70px 0 90px; }
.kicker { color: var(--orange); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase; }
h1 { max-width: 800px; margin: 12px 0; font-size: clamp(2.5rem, 7vw, 5.4rem); line-height: 0.95; letter-spacing: -0.045em; }
.effective { color: var(--muted); font-size: 0.86rem; }
.policy {
  margin-top: 44px;
  padding: clamp(24px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(18, 38, 54, 0.96), rgba(8, 20, 31, 0.96));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}
h2 { margin: 38px 0 8px; font-size: 1.3rem; }
h2:first-child { margin-top: 0; }
p, li { color: var(--muted); }
a { color: var(--blue); }
.notice { margin: 28px 0; padding: 20px; border-left: 3px solid var(--orange); background: rgba(242, 154, 87, 0.08); color: var(--ink); }
.contact { margin-top: 42px; padding-top: 26px; border-top: 1px solid var(--line); }
footer { padding: 30px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.78rem; }
.links { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.links a { text-decoration: none; }
@media (max-width: 620px) {
  header .shell { align-items: flex-start; flex-direction: column; }
  main { padding-top: 48px; }
  .policy { border-radius: 20px; }
}