:root {
  --bg: #f3efe6;
  --paper: rgba(255, 252, 247, 0.88);
  --ink: #1f2b24;
  --muted: #5f6b63;
  --line: rgba(31, 43, 36, 0.12);
  --accent: #c35c2f;
  --accent-soft: rgba(195, 92, 47, 0.12);
  --shadow: 0 18px 60px rgba(36, 48, 41, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(195, 92, 47, 0.18), transparent 30rem),
    linear-gradient(180deg, #f9f6ef 0%, var(--bg) 100%);
  font-family: "Avenir Next", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
}

.wrap {
  width: min(72rem, calc(100vw - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(249, 246, 239, 0.74);
  border-bottom: 1px solid var(--line);
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: 1.4rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  gap: 0.75rem;
}

.site-nav a,
.ghost-link,
.tag,
.tag-block {
  text-decoration: none;
}

.site-nav a {
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  color: var(--muted);
}

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

main.wrap {
  padding: 2.5rem 0 4rem;
}

.hero {
  margin-bottom: 2rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 1.75rem;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.hero.compact {
  padding: 1.5rem 2rem;
}

.hero h1,
.section-heading h2,
.post-header h1 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  line-height: 1.15;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero p:last-child,
.post-summary,
.section-heading p {
  max-width: 48rem;
  color: var(--muted);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin: 2.5rem 0 1rem;
}

.ghost-link {
  color: var(--accent);
  font-weight: 600;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1rem;
}

.post-card,
.tag-block,
.post-shell {
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.post-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.4rem;
}

.post-card h2 {
  margin: 0;
  font-size: 1.35rem;
}

.post-card p {
  margin: 0;
  color: var(--muted);
}

.post-card a:hover,
.ghost-link:hover,
.tag:hover,
.tag-block:hover {
  color: var(--accent);
}

.post-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  background: rgba(31, 43, 36, 0.06);
  font-size: 0.88rem;
}

.tag-directory {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 1rem;
}

.tag-block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.2rem;
}

.tag-name {
  font-weight: 700;
}

.tag-count {
  color: var(--muted);
  font-size: 0.92rem;
}

.post-shell {
  padding: 2rem;
}

.post-header {
  margin-bottom: 2rem;
}

.markdown-body {
  font-size: 1.05rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  margin-top: 2.2rem;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  line-height: 1.2;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body pre,
.markdown-body blockquote {
  margin: 1rem 0;
}

.markdown-body code {
  padding: 0.15rem 0.35rem;
  border-radius: 0.4rem;
  background: rgba(31, 43, 36, 0.08);
  font-family: "SFMono-Regular", "Monaco", "Consolas", monospace;
  font-size: 0.92em;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 1rem 1.1rem;
  border-radius: 1rem;
  background: #202926;
  color: #f4f1eb;
}

.markdown-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.markdown-body blockquote {
  padding-left: 1rem;
  border-left: 4px solid var(--accent);
  color: var(--muted);
}

.site-footer {
  padding: 0 0 2.5rem;
}

.footer-inner {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 720px) {
  .masthead,
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .post-shell {
    padding: 1.35rem;
  }

  main.wrap {
    padding-top: 1.25rem;
  }
}