:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --ink: #1e2230;
  --muted: #5f6370;
  --accent: #e45a3c;
  --line: rgba(18, 22, 29, 0.12);
  --highlight: rgba(228, 90, 60, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  background: var(--highlight);
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.back-link::before {
  content: "←";
  font-size: 1rem;
}

header {
  padding: clamp(2.4rem, 6vw, 3.6rem) clamp(1.5rem, 6vw, 4rem) 2rem;
}

header h1 {
  margin: 1.2rem 0 0.8rem;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.2;
}

header p {
  max-width: 760px;
  color: var(--muted);
}

.policy-shell {
  width: min(1080px, 92vw);
  margin: 0 auto 4rem;
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.summary-ribbon,
.terms-board,
.section-block,
.notice-card,
.milestone,
.rule-list li {
  background: var(--surface);
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 18px 36px rgba(15, 18, 26, 0.06);
}

.summary-ribbon {
  display: grid;
  gap: 1.4rem;
  padding: clamp(1.8rem, 4vw, 2.8rem);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}

.summary-card {
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 1.2rem;
  background: #fbfbfc;
}

.summary-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.summary-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.map-shell {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: minmax(220px, 260px) 1fr;
}

.nav-panel {
  position: sticky;
  top: 6rem;
  align-self: start;
  border-radius: 16px;
  padding: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--line);
}

.nav-panel h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.nav-panel ul {
  list-style: none;
  padding: 1rem 0 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.nav-panel a {
  color: var(--muted);
  font-weight: 600;
  text-decoration: none;
}

.nav-panel a:hover,
.nav-panel a:focus {
  color: var(--accent);
  text-decoration: underline;
}

.section-stack {
  display: grid;
  gap: 1.6rem;
}

.section-block {
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: grid;
  gap: 0.8rem;
}

.section-block h3 {
  margin: 0;
  font-size: 1.2rem;
}

.section-block p {
  margin: 0;
  color: var(--muted);
}

.list-line {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.5rem 0 0;
}

.pill-list span {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--highlight);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.statement,
.notice-card {
  border-radius: 18px;
  padding: clamp(1.8rem, 4vw, 2.6rem);
  background: linear-gradient(130deg, rgba(228, 90, 60, 0.1), rgba(228, 90, 60, 0));
  border: 1px solid rgba(228, 90, 60, 0.16);
  font-weight: 600;
  color: var(--ink);
}

.statement a,
.notice-card a {
  color: var(--accent);
  text-decoration: underline;
}

footer {
  padding: 2.4rem clamp(1.5rem, 6vw, 4rem) 3rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

footer a {
  color: var(--accent);
  font-weight: 600;
}

.terms-board {
  display: grid;
  gap: 1.2rem;
  padding: clamp(1.6rem, 4vw, 2.4rem);
}

.terms-board h2 {
  margin: 0;
  font-size: 1.4rem;
}

.rule-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.rule-list li {
  padding: 1.1rem 1.4rem;
  display: grid;
  gap: 0.35rem;
}

.rule-list li strong {
  font-weight: 700;
}

.milestone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}

.milestone {
  padding: 1.4rem;
  display: grid;
  gap: 0.6rem;
}

.milestone h3 {
  margin: 0;
  font-size: 1.05rem;
}

.notice-card {
  margin-top: 0.4rem;
}

@media (max-width: 860px) {
  .map-shell {
    grid-template-columns: 1fr;
  }

  .nav-panel {
    position: static;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}