:root {
  --bg: #faf8f2;
  --fg: #1f2937;
  --accent: #1d4ed8;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--fg);
  background: radial-gradient(circle at 20% 20%, #fff, var(--bg));
}

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem;
}

header, footer {
  padding: 1rem;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}

.site-header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}

.site-title {
  color: var(--fg);
  font-weight: 700;
  text-decoration: none;
}

.site-nav ul {
  display: flex;
  gap: 0.75rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--fg);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
  font-weight: 700;
}

.recent-posts {
  margin-top: 1.25rem;
}

.recent-posts ul {
  padding-left: 1.25rem;
}

.review-badge {
  background: #e0ecff;
  border-left: 4px solid var(--accent);
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
}