:root {
  --bg: #03070b;
  --panel: rgba(10, 21, 29, 0.78);
  --line: rgba(99, 227, 244, 0.2);
  --text: #e8f7f8;
  --muted: #91a9ae;
  --cyan: #55e4f2;
  --green: #57efaf;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    linear-gradient(rgba(85, 228, 242, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 228, 242, 0.028) 1px, transparent 1px),
    var(--bg);
  background-size: 42px 42px;
  color: var(--text);
  font-family: Inter, "Noto Sans JP", "Yu Gothic UI", sans-serif;
  line-height: 1.8;
}

a { color: inherit; }

main { min-height: 100vh; position: relative; overflow: hidden; }

.ambient {
  position: fixed;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(130px);
  pointer-events: none;
  opacity: 0.1;
}
.ambient-one { background: var(--cyan); top: -260px; right: -150px; }
.ambient-two { background: var(--green); bottom: -300px; left: -220px; }

.site-header {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.brand { display: flex; align-items: center; text-decoration: none; font-weight: 750; }
.status { color: var(--green); border: 1px solid rgba(87, 239, 175, 0.25); padding: 6px 10px; }

.policy-shell { width: min(900px, calc(100% - 40px)); margin: 0 auto; padding: 96px 0 72px; }
.hero { padding-bottom: 56px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 12px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: 0.24em; }
h1 { margin: 0; font-size: clamp(2.3rem, 7vw, 5rem); line-height: 1.08; letter-spacing: -0.045em; }
.lead { max-width: 680px; margin: 24px 0 0; color: #bad2d5; font-size: clamp(1.05rem, 2vw, 1.35rem); }
.meta-row { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }
.meta-row time, .meta-row strong { color: var(--text); }
.meta-divider { width: 1px; height: 16px; margin: 0 8px; background: var(--line); }

.summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 28px 0 48px;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
}
.summary div { padding: 20px; border-right: 1px solid var(--line); }
.summary div:last-child { border-right: 0; }
.summary span { display: block; color: var(--muted); font-size: 10px; letter-spacing: 0.16em; }
.summary strong { display: block; margin-top: 3px; color: var(--green); font-size: 16px; }

.sections { border-top: 1px solid var(--line); }
.policy-section { display: grid; grid-template-columns: 64px 1fr; gap: 18px; padding: 40px 0; border-bottom: 1px solid var(--line); }
.section-number { color: var(--cyan); font: 700 11px/1.8 ui-monospace, monospace; letter-spacing: 0.14em; }
h2 { margin: 0 0 10px; font-size: 1.22rem; letter-spacing: 0.01em; }
.policy-section p, .contact p { margin: 0; color: var(--muted); }

.contact {
  margin-top: 64px;
  padding: 40px;
  border: 1px solid rgba(85, 228, 242, 0.26);
  background: linear-gradient(135deg, rgba(85, 228, 242, 0.08), rgba(87, 239, 175, 0.04));
}
.contact a { display: inline-block; margin-top: 18px; color: var(--cyan); font-weight: 700; text-underline-offset: 5px; overflow-wrap: anywhere; }

footer {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 36px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  color: #657b80;
  font-size: 11px;
  letter-spacing: 0.1em;
}

@media (max-width: 640px) {
  .status { display: none; }
  .policy-shell { padding-top: 64px; }
  .summary { grid-template-columns: 1fr 1fr; }
  .summary div:nth-child(2) { border-right: 0; }
  .summary div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .policy-section { grid-template-columns: 42px 1fr; gap: 8px; padding: 32px 0; }
  .contact { padding: 28px 24px; }
}

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