:root {
  --bg: #f6f3ee;
  --panel: #fffdfb;
  --ink: #1f1f1f;
  --muted: #5f5a56;
  --line: #e8e0d8;
  --accent: #6d5b4b;
  --accent-soft: #efe8e1;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

img {
  max-width: 100%;
}

.site-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.tagline {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.page-content {
  padding-top: 28px;
}

.hero {
  margin-bottom: 32px;
  padding: 24px 0 0;
}

.hero h1,
.post-header h1,
.page-content h1,
.page-content h2,
.page-content h3 {
  letter-spacing: -0.04em;
}

.hero p {
  max-width: 52ch;
  color: var(--muted);
}

.entries-list {
  display: grid;
  gap: 18px;
}

.entry-preview,
.post-entry {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 20px;
}

.entry-meta,
.post-meta {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.entry-preview h2,
.post-entry h1 {
  margin: 0 0 8px;
  line-height: 1.2;
}

.entry-preview h2 a,
.post-entry a {
  color: var(--ink);
  text-decoration: none;
}

.excerpt {
  margin: 0 0 12px;
  color: var(--muted);
}

.tag-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li {
  border: 1px solid var(--line);
  background: var(--accent-soft);
  color: var(--ink);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.78rem;
}

.tag-list a {
  color: var(--ink);
  text-decoration: none;
}

.tag-cloud li {
  background: var(--panel);
}

.topic-label {
  font-weight: 600;
}

.divider {
  margin: 0 6px;
}

.post-content {
  margin-top: 18px;
  font-size: 1.05rem;
}

.post-content p {
  margin: 0 0 1.3em;
}

.post-content p br {
  display: block;
  content: "";
  margin: 0.5em 0;
}

.post-content ruby {
  ruby-position: over;
  ruby-align: center;
  font-size: 1em;
}

.post-content rt {
  font-size: 0.52em;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.post-content h2,
.post-content h3 {
  margin-top: 2em;
}

.label-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.site-footer {
  padding-top: 26px;
  margin-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-shell {
    padding-left: 16px;
    padding-right: 16px;
  }
}