:root {
  --bg: #f5f1ea;
  --surface: #fffdf8;
  --text: #1c1a18;
  --muted: #6b655f;
  --line: #d8cec1;
  --accent: #a6532f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  background: radial-gradient(circle at 20% 0%, #fff6eb 0%, var(--bg) 45%, #efe7dc 100%);
  color: var(--text);
  line-height: 1.7;
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  backdrop-filter: blur(4px);
}

.site-header h1 {
  margin: 0;
  padding: 1rem 0;
  font-size: 1.35rem;
  letter-spacing: 0.03em;
}

.site-header a {
  color: inherit;
  text-decoration: none;
}

main {
  padding: 2rem 0 4rem;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 4.5vw, 2.3rem);
  line-height: 1.2;
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.post-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding: 0.9rem 0;
}

.post-list a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

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

.post-list span,
.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.post p {
  margin: 0 0 1rem;
}

@media (max-width: 640px) {
  .post-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
  }
}