:root {
  --court-green: #0B7A3B;
  --ink: #1a1f1c;
  --ink-soft: #4a534d;
  --bg: #fbfdfb;
  --card: #ffffff;
  --border: #dfe7e1;
  --danger: #b3261e;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}

.brand .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--court-green);
  display: inline-block;
}

nav.site {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav.site a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

nav.site a:hover,
nav.site a:focus {
  color: var(--court-green);
  text-decoration: underline;
}

main {
  padding: 40px 0 64px;
}

h1 {
  font-size: 1.9rem;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.3rem;
  margin: 36px 0 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

h3 {
  font-size: 1.05rem;
  margin: 20px 0 8px;
}

p {
  margin: 0 0 14px;
}

ul, ol {
  margin: 0 0 14px;
  padding-left: 22px;
}

li {
  margin-bottom: 6px;
}

.subtitle {
  color: var(--ink-soft);
  margin-bottom: 28px;
}

.updated {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

a {
  color: var(--court-green);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
  margin: 18px 0;
}

.card.danger {
  border-color: #e8c5c2;
  background: #fdf5f4;
}

.hero {
  padding: 48px 0 20px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--court-green);
}

.btn.primary {
  background: var(--court-green);
  color: #fff;
}

.btn.secondary {
  background: transparent;
  color: var(--court-green);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.feature-grid .card {
  margin: 0;
}

.feature-grid h3 {
  margin-top: 0;
}

.notice {
  background: #eef6f0;
  border: 1px solid #cfe6d6;
  border-radius: 8px;
  padding: 14px 16px;
  margin: 0 0 20px;
  font-size: 0.95rem;
}

.notice.warn {
  background: #fdf5f4;
  border-color: #e8c5c2;
}

code {
  background: #eef1ef;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 18px;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 0.95rem;
}

th {
  color: var(--ink-soft);
  font-weight: 600;
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

footer.site nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

footer.site a {
  color: var(--ink-soft);
}