:root {
  color-scheme: light;
  --bg: #f7fbf9;
  --surface: #ffffff;
  --surface-soft: #eef7f2;
  --text: #121514;
  --muted: #68716d;
  --faint: #8d9692;
  --line: #dfe8e3;
  --accent: #1f6f45;
  --accent-strong: #155735;
  --accent-soft: #e5f2ea;
  --warning: #8a5a12;
  --warning-soft: #fff6df;
  --shadow: 0 20px 50px rgba(30, 67, 48, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% -10%, rgba(91, 162, 117, 0.16), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-strong);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(223, 232, 227, 0.82);
  background: rgba(247, 251, 249, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav {
  width: min(1040px, calc(100% - 36px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 18px;
  font-weight: 720;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: white;
  background: var(--accent);
  box-shadow: 0 7px 18px rgba(31, 111, 69, 0.2);
  font-size: 15px;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--accent);
}

.page-shell {
  width: min(840px, calc(100% - 36px));
  margin: 0 auto;
  padding: 70px 0 80px;
}

.home-shell {
  width: min(980px, calc(100% - 36px));
}

.hero {
  padding: 18px 0 42px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 11px;
  border: 1px solid #cfe3d7;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(229, 242, 234, 0.74);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin: 18px 0 16px;
  font-size: clamp(36px, 7vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.home-shell .hero h1 {
  font-size: clamp(34px, 6vw, 52px);
  letter-spacing: -0.035em;
}

.document-title {
  font-size: clamp(34px, 6vw, 50px);
}

.lede {
  max-width: 720px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: clamp(17px, 2.5vw, 20px);
  line-height: 1.65;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-pill {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 13px;
}

.link-grid,
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.link-card,
.highlight-card,
.legal-card,
.toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.link-card {
  min-height: 220px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  color: var(--text);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.link-card:hover {
  transform: translateY(-3px);
  border-color: #bdd8c8;
  color: var(--text);
  box-shadow: 0 24px 60px rgba(30, 67, 48, 0.13);
}

.link-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--accent);
  background: var(--accent-soft);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.04em;
}

.link-card h2 {
  margin: 22px 0 7px;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.link-card p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 15px;
}

.link-action {
  margin-top: auto;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.principles {
  margin-top: 54px;
}

.section-kicker {
  margin-bottom: 14px;
  color: var(--faint);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.highlight-card {
  padding: 20px;
  box-shadow: none;
}

.highlight-card strong {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
}

.highlight-card span {
  color: var(--muted);
  font-size: 14px;
}

.toc {
  margin: 4px 0 28px;
  padding: 22px 24px;
  box-shadow: none;
}

.toc strong {
  display: block;
  margin-bottom: 10px;
}

.toc ol {
  margin: 0;
  padding-left: 20px;
  columns: 2;
  column-gap: 32px;
}

.toc li {
  padding: 3px 0;
  break-inside: avoid;
}

.toc a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent);
}

.legal-card {
  padding: clamp(22px, 5vw, 42px);
}

.legal-card section {
  scroll-margin-top: 88px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.legal-card section:first-child {
  padding-top: 0;
  border-top: 0;
}

.legal-card section:last-child {
  padding-bottom: 0;
}

.legal-card h2 {
  margin-bottom: 14px;
  font-size: clamp(22px, 4vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.legal-card h3 {
  margin: 24px 0 9px;
  font-size: 17px;
  line-height: 1.35;
}

.legal-card p,
.legal-card li {
  color: #39413d;
}

.legal-card ul,
.legal-card ol {
  margin: 10px 0 0;
  padding-left: 22px;
}

.legal-card li + li {
  margin-top: 7px;
}

.notice {
  margin: 18px 0;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--accent-soft);
  color: #294a38;
}

.notice.warning {
  border-left-color: #c48323;
  background: var(--warning-soft);
  color: #67420b;
}

.table-wrap {
  margin: 18px 0 4px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 650px;
  background: var(--surface);
  font-size: 14px;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--text);
  background: #f2f7f4;
  font-weight: 700;
}

tr:last-child td {
  border-bottom: 0;
}

.contact-box {
  margin-top: 18px;
  padding: 20px;
  border-radius: var(--radius-sm);
  background: #f2f7f4;
}

.contact-box p:last-child {
  margin-bottom: 0;
}

.site-footer {
  padding: 24px 0 44px;
  color: var(--faint);
}

.footer-inner {
  width: min(1040px, calc(100% - 36px));
  margin: 0 auto;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 680px) {
  .nav {
    min-height: 58px;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .page-shell {
    padding-top: 46px;
  }

  .link-grid,
  .highlight-grid {
    grid-template-columns: 1fr;
  }

  .link-card {
    min-height: 190px;
  }

  .toc ol {
    columns: 1;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
    border-radius: 0;
  }

  table,
  tbody,
  tr,
  td {
    display: block;
    width: 100%;
    min-width: 0;
  }

  thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  tbody tr {
    margin-bottom: 12px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
  }

  td {
    padding: 7px 0;
    border: 0;
  }

  td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 2px;
    color: var(--faint);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
  }

  .footer-inner {
    flex-direction: column;
  }
}

@media print {
  body {
    background: white;
    font-size: 12px;
  }

  .site-header,
  .site-footer,
  .toc {
    display: none;
  }

  .page-shell {
    width: 100%;
    padding: 0;
  }

  .hero {
    padding-bottom: 20px;
  }

  .legal-card {
    padding: 0;
    border: 0;
    box-shadow: none;
  }
}