:root {
  --bg: #ffffff;
  --fg: #1f2328;
  --muted: #57606a;
  --link: #0969da;
  --border: #d0d7de;
  --card-bg: #f6f8fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --fg: #e6edf3;
    --muted: #8b949e;
    --link: #58a6ff;
    --border: #30363d;
    --card-bg: #161b22;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

header.site-header {
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  padding-bottom: 16px;
}

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

header.site-header a:hover { color: var(--link); }

h1 {
  font-size: 28px;
  margin: 0 0 8px;
}

h2 {
  font-size: 20px;
  margin-top: 40px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: 16px;
  margin-top: 24px;
  color: var(--muted);
}

.updated {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}

pre.legal {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.9;
  margin: 0;
}

.app-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
}

.app-list li {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

.app-list li h2 {
  margin: 0 0 12px;
  font-size: 18px;
  border-bottom: none;
  padding-bottom: 0;
}

.app-list .doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.app-list a {
  color: var(--link);
  text-decoration: none;
  font-size: 14px;
}

.app-list a:hover { text-decoration: underline; }

footer.site-footer {
  margin-top: 64px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}