/* Cibereon - simple magazine style */
:root {
  --color-bg: #f7f5f2;
  --color-surface: #ffffff;
  --color-text: #222222;
  --color-muted: #6b6b6b;
  --color-accent: #c8322d;
  --color-border: #e6e1da;
  --font-base: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1040px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.9;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

a { color: inherit; text-decoration: none; }

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-accent);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
}
.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.site-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
}
.site-nav a {
  font-weight: 600;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--color-accent); }

/* Hero */
.hero {
  background: var(--color-surface);
  padding: 48px 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}
.hero-title {
  font-size: 2.2rem;
  margin: 0 0 12px;
}
.hero-tagline {
  color: var(--color-muted);
  margin: 0;
}

/* Section */
.section-title, .page-title {
  font-size: 1.4rem;
  margin: 40px 0 20px;
  padding-left: 12px;
  border-left: 5px solid var(--color-accent);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover {
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.card-body { padding: 20px; }
.card-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 3px;
  padding: 2px 8px;
  margin-bottom: 10px;
}
.card-title {
  font-size: 1.1rem;
  margin: 0 0 10px;
  line-height: 1.6;
}
.card-summary {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0 0 12px;
}
.card-date {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Term / category list */
.term-list {
  list-style: none;
  padding: 0;
}
.term-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 1.05rem;
}
.term-count { color: var(--color-muted); margin-left: 6px; }

/* Post */
.post-header {
  padding-top: 32px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
  margin-bottom: 24px;
}
.post-title {
  font-size: 1.7rem;
  margin: 14px 0 10px;
  line-height: 1.5;
}
.post-date { color: var(--color-muted); font-size: 0.9rem; }
.post-content {
  background: var(--color-surface);
  padding: 8px 0 40px;
  font-size: 1.02rem;
}
.post-content h2 {
  font-size: 1.3rem;
  margin-top: 36px;
  padding-left: 10px;
  border-left: 4px solid var(--color-accent);
}
.post-content p { margin: 0 0 18px; }

/* Footer */
.site-footer {
  background: #1f1c1a;
  color: #cfcac3;
  margin-top: 40px;
}
.footer-inner {
  padding: 28px 20px;
  text-align: center;
  font-size: 0.85rem;
}
.footer-note { color: #9a948b; max-width: 640px; margin: 8px auto 0; }

@media (max-width: 640px) {
  .header-inner { flex-direction: column; gap: 12px; }
  .hero-title { font-size: 1.7rem; }
}