:root {
  --bg: #fffcf7;
  --surface: #ffffff;
  --text: #1c1a17;
  --text-sub: #4a463f;
  --muted: #8a857c;
  --accent: #4b5a49;
  --border: #ece7dd;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Segoe UI", Roboto, sans-serif;
  line-height: 1.8;
  font-size: 16px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 0 8px;
}

.leaf {
  object-fit: contain;
}

header.site .leaf {
  width: 28px;
  height: 28px;
}

header.site a.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
}

nav.top {
  margin: 8px 0 24px;
  font-size: 14px;
}

nav.top a {
  color: var(--accent);
  text-decoration: none;
  margin-right: 16px;
}

nav.top a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 26px;
  margin: 8px 0 4px;
}

h2 {
  font-size: 19px;
  margin: 32px 0 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

h3 {
  font-size: 16px;
  margin: 20px 0 4px;
}

p, li {
  color: var(--text-sub);
}

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

.updated {
  color: var(--muted);
  font-size: 13px;
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 14px;
}

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

th {
  background: #f6f1e8;
}

code {
  background: #f1ece3;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 90%;
}

.hero {
  text-align: center;
  padding: 32px 0 8px;
}

.hero .leaf {
  width: 64px;
  height: 64px;
}

.hero h1 {
  font-size: 32px;
  margin: 12px 0 6px;
}

.hero p.lead {
  color: var(--text-sub);
  font-size: 17px;
  margin: 0 auto;
  max-width: 460px;
}

.cards {
  display: grid;
  gap: 12px;
  margin: 28px 0;
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  text-decoration: none;
  color: var(--text);
}

.card:hover {
  border-color: var(--accent);
}

.card b {
  display: block;
  font-size: 16px;
}

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

footer.site {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

footer.site a {
  color: var(--muted);
  margin-right: 14px;
}