:root {
  --bg: #ffffff;
  --fg: #0f172a; /* slate-900 */
  --muted: #475569; /* slate-600 */
  --border: #e2e8f0; /* slate-200 */
  --brand: #2563eb; /* blue-600 */
  --card: #f8fafc; /* slate-50 */
}

html {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans CJK JP", sans-serif;
}

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

main {
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.hero {
  text-align: center;
  padding: 3rem 1rem;
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0.25rem 0;
}

.hero__tagline {
  color: var(--muted);
  margin: 0.5rem 0 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1rem;
  border-radius: 0.75rem;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 1.5rem 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
}

.alert {
  border: 1px solid var(--border);
  border-left-width: 0.4rem;
  border-radius: 0.5rem;
  padding: 0.8rem 1rem;
  background: #fff;
}

.alert-info {
  border-left-color: #0ea5e9;
}

.alert-warning {
  border-left-color: #f59e0b;
}

.alert-success {
  border-left-color: #22c55e;
}

pre {
  background: #0b1020;
  color: #e2e8f0;
  padding: 0.9rem;
  border-radius: 0.75rem;
  overflow: auto;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.site-footer {
  text-align: center;
  color: var(--muted);
  margin: 2rem 0 3rem;
}

.site-nav {
  padding: 0.75rem 1rem;
}

.site-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-nav__link {
  text-decoration: none;
  color: var(--fg);
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
}

.site-nav__link:is(:hover, :focus) {
  background: var(--card);
}

.site-nav__link.is-active {
  font-weight: 700;
  border: 1px solid var(--border);
}

.site-nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}

.site-footer {
  max-width: 960px;
  margin: 2rem auto 3rem;
  padding: 0 1rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border: 1px solid currentColor;
  border-radius: 0.25rem;
}

.badge-primary {
  color: white;
  background: #0b5fff;
  border-color: #0b5fff;
}

.alert {
  padding: 0.75rem 1rem;
  border: 1px solid;
  margin: 1rem 0;
}

.alert-warning {
  background: #fff8e1;
  border-color: #f0c36d;
}

.alert-info {
  background: #eef6ff;
  border-color: #8db6ff;
}

/*# sourceMappingURL=main.css.map */