:root {
  color-scheme: dark;
  font-family: "Segoe UI", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  color: #edf3fb;
  background: #080c12;
}

* { box-sizing: border-box; }

body {
  min-width: 280px;
  margin: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(69, 121, 173, .18), transparent 34rem),
    linear-gradient(160deg, #0b111a 0%, #080c12 58%, #05080c 100%);
}

a { color: #8fc7ff; }

a:focus-visible {
  outline: 2px solid #8fc7ff;
  outline-offset: 3px;
}

.policy-shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.policy-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.brand-link,
.back-link {
  display: inline-flex;
  align-items: center;
  color: #f4f7fb;
  text-decoration: none;
}

.brand-link {
  gap: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.brand-link img { width: 34px; height: 34px; }

.back-link {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(154, 181, 212, .34);
  border-radius: 999px;
  font-size: .86rem;
}

.policy-card {
  padding: clamp(24px, 5vw, 52px);
  border: 1px solid rgba(154, 181, 212, .28);
  border-radius: 22px;
  background: rgba(13, 20, 30, .92);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .28);
}

.eyebrow {
  margin: 0 0 8px;
  color: #76b9f3;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .18em;
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.45rem);
  line-height: 1.25;
}

.updated-at {
  margin: 12px 0 34px;
  color: #91a0b2;
  font-size: .85rem;
}

section {
  padding: 26px 0;
  border-top: 1px solid rgba(154, 181, 212, .17);
}

section:first-of-type { border-top: 0; }

h2 {
  margin: 0 0 12px;
  color: #f6f8fb;
  font-size: 1.08rem;
}

p,
li,
dd {
  color: #bdc9d7;
  font-size: .96rem;
  line-height: 1.85;
}

p { margin: 9px 0; }

ul {
  margin: 10px 0 0;
  padding-left: 1.35rem;
}

li + li { margin-top: 5px; }

dl { margin: 18px 0 0; }

dl div {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid rgba(154, 181, 212, .12);
}

dt { color: #e8eef6; font-weight: 700; }
dd { min-width: 0; margin: 0; overflow-wrap: anywhere; }

@media (max-width: 600px) {
  .policy-shell { width: min(100% - 20px, 920px); padding-top: 14px; }
  .brand-link { font-size: .84rem; letter-spacing: .08em; }
  .back-link { padding: 0 11px; }
  .policy-card { border-radius: 16px; }
  dl div { grid-template-columns: 1fr; gap: 2px; }
}