:root {
  color-scheme: light dark;
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #20231f;
  --muted: #5f665f;
  --line: #d9ded4;
  --accent: #2f7d5f;
  --accent-strong: #175840;
  --blue: #315f96;
  --amber: #9a6324;
  --soft-green: #e8f2ec;
  --soft-blue: #e9eff7;
  --soft-amber: #f5eddf;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.2em;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}

.header-inner,
.page {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

.page {
  padding: 48px 0 64px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 1.6rem + 1.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 40px 0 10px;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin: 28px 0 8px;
  font-size: 1rem;
  letter-spacing: 0;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 18px;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 6px;
}

.lead {
  margin-top: 18px;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.08rem;
}

.notice {
  margin: 28px 0 0;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--amber) 35%, var(--line));
  background: var(--soft-amber);
  border-radius: 8px;
  color: #4d371d;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.tile {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 18px;
}

.tile strong {
  display: block;
  margin-bottom: 6px;
}

.tile p {
  color: var(--muted);
  font-size: 0.95rem;
}

.doc {
  max-width: 820px;
}

.doc section {
  padding-top: 4px;
}

.summary-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
}

.summary-list li {
  margin: 0;
  padding: 14px;
  border-left: 4px solid var(--accent);
  background: var(--soft-green);
  border-radius: 6px;
}

.route-note {
  border-left: 4px solid var(--blue);
  background: var(--soft-blue);
  padding: 14px 16px;
  border-radius: 6px;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .nav {
    flex-wrap: wrap;
  }

  .grid,
  .summary-list {
    grid-template-columns: 1fr;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111410;
    --surface: #181d18;
    --ink: #edf2ea;
    --muted: #b9c2b6;
    --line: #354033;
    --accent: #79c6a1;
    --accent-strong: #9edbbd;
    --blue: #8eb5e2;
    --amber: #e1b16d;
    --soft-green: #1d3127;
    --soft-blue: #1d2936;
    --soft-amber: #352817;
  }

  .notice {
    color: #f3dfbd;
  }
}