:root {
  --bg: #ffffff;
  --text: #1b1f23;
  --muted: #5b636a;
  --line: #e6e8eb;
  --link: #0b57d0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.wrap {
  width: min(760px, 92vw);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  padding: 2.2rem 0 1.1rem;
}

.site-title {
  margin: 0;
  font-size: 1.8rem;
  font-weight: bold;
}

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

.site-subtitle {
  margin: 0.45rem 0 0;
  max-width: 44ch;
  color: var(--muted);
  line-height: 1.5;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.1rem;
  font-size: 0.95rem;
  flex-wrap: wrap;
}

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

.site-nav-divider {
  width: 1px;
  height: 0.9rem;
  background: var(--line);
}

.site-nav-label {
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

main {
  padding: 2rem 0;
}

h1,
h2,
h3 {
  line-height: 1.3;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: -0.5rem;
}

.article-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
}

.category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding: 1.4rem 0 2.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer-note {
  margin: 0;
}

.site-footer-meta {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
}

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