@charset "UTF-8";
:root {
  --bg: #f8f7f4;
  --text: #1c1917;
  --text-secondary: #78716c;
  --text-tertiary: #a8a29e;
  --accent: #c2410c;
  --accent-light: #fed7aa;
  --border: #e7e5e4;
  --card-bg: #ffffff;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.08);
  --section-bg: #fafaf9;
  --highlight-bg: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  --highlight-border: #d97706;
  --font-serif: "Shippori Mincho", "Noto Serif JP", Georgia, "Times New Roman", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f0f;
    --text: #fafaf9;
    --text-secondary: #a8a29e;
    --text-tertiary: #78716c;
    --accent: #fb923c;
    --accent-light: #431407;
    --border: #292524;
    --card-bg: #1a1918;
    --card-shadow: 0 1px 3px rgba(0,0,0,0.3);
    --card-shadow-hover: 0 4px 12px rgba(0,0,0,0.4);
    --section-bg: #141312;
    --highlight-bg: linear-gradient(135deg, #422006 0%, #78350f 100%);
    --highlight-border: #b45309;
  }
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.site-header {
  padding: 2.5rem 1rem 2rem;
  text-align: center;
  border-bottom: 2px solid var(--border);
  background: var(--card-bg);
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.site-title:hover {
  color: var(--accent);
}

/* ── Layout ── */
.content {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-top: 2px solid var(--border);
}

/* ── Briefing Page ── */
.briefing h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  letter-spacing: 0.03em;
  line-height: 1.4;
}
.briefing h2 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.briefing h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.briefing ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.briefing li {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.2s, transform 0.15s;
}
.briefing li:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-1px);
}
.briefing li > strong {
  flex: 0 1 38%;
  min-width: 0;
  display: block;
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.6;
}
.briefing li > strong a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.briefing li > strong a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.briefing li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}
.briefing a {
  color: var(--accent);
  text-decoration: none;
}
.briefing a:hover {
  text-decoration: underline;
}
.briefing blockquote {
  margin: 2rem 0 1rem;
  padding: 1.5rem 1.75rem;
  background: var(--highlight-bg);
  border-left: 4px solid var(--highlight-border);
  border-radius: 0 8px 8px 0;
  color: var(--text);
  font-style: normal;
  font-size: 0.95rem;
  line-height: 1.8;
  box-shadow: var(--card-shadow);
}

/* ── Index Page ── */
.briefing-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.briefing-list .briefing-item {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.2s, transform 0.15s;
}
.briefing-list .briefing-item:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-1px);
}
.briefing-list .briefing-item a {
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
}
.briefing-list .briefing-item a:hover {
  color: var(--accent);
}
.briefing-list .briefing-item .briefing-date {
  display: block;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 0.35rem;
  letter-spacing: 0.05em;
}

/* ── Briefing nav ── */
.briefing-nav {
  margin-bottom: 2rem;
}
.briefing-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color 0.2s;
}
.briefing-nav a:hover {
  color: var(--accent);
}
.briefing-nav a::before {
  content: "←";
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .content {
    padding: 1.5rem 1rem;
  }
  .briefing h1 {
    font-size: 1.5rem;
  }
  .briefing li {
    flex-direction: column;
    gap: 0.5rem;
  }
  .briefing li > strong {
    flex: 1 1 100%;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
  }
  .site-title {
    font-size: 1.4rem;
  }
}

/*# sourceMappingURL=style.css.map */