:root {
  --bg-page: #f4f6f9;
  --bg-card: #ffffff;
  --bg-subtle: #f8fafc;
  --ink: #0f172a;
  --ink-body: #1e293b;
  --ink-muted: #64748b;
  --ink-light: #94a3b8;
  --primary: #1d4ed8;
  --primary-light: #dbeafe;
  --primary-soft: #eff6ff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.07), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.10);
  --font-sans: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "BIZ UDPGothic", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--ink-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: #1e40af;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(15, 23, 42, 0.04);
}

.header-top {
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.25);
  flex-shrink: 0;
}

.brand-title-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.15;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-badge {
  font-size: 0.68rem;
  font-weight: 700;
  background: linear-gradient(135deg, #1d4ed8, #059669);
  color: #fff;
  padding: 2px 7px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.brand-sub {
  font-size: 0.73rem;
  color: var(--ink-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-tag-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid var(--primary-light);
}

.header-tag-btn:hover {
  background: var(--primary-light);
}

.header-search-wrap {
  position: relative;
  width: 260px;
}

.header-search-input {
  width: 100%;
  padding: 8px 14px 8px 34px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-subtle);
  font-size: 0.85rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.header-search-input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}

.header-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-muted);
  font-size: 0.85rem;
  pointer-events: none;
}

.header-nav-bar {
  border-top: 1px solid var(--border);
  background: #fff;
}

.header-nav-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.header-nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-link {
  padding: 10px 14px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ink-muted);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ─── Container & Layout ─── */
.site-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 28px 24px 64px;
}

/* ─── Serialization / Feature Banner (Seikatsusha DDM inspired) ─── */
.serialization-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #1e3a8a 100%);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  color: #fff;
  margin-bottom: 28px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.serialization-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #93c5fd;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(147, 197, 253, 0.35);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.serialization-title {
  font-size: 1.55rem;
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 10px;
  color: #fff;
}

.serialization-desc {
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.7;
  max-width: 780px;
}

.serialization-stats {
  display: flex;
  gap: 14px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.stat-pill {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 6px 14px;
  border-radius: 10px;
  font-size: 0.8rem;
  color: #e2e8f0;
}

.stat-pill strong {
  color: #fff;
  font-size: 1.05rem;
  margin-right: 3px;
}

.serialization-cast {
  display: flex;
  gap: 12px;
  align-items: center;
}

.cast-badge {
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  width: 210px;
}

.cast-badge img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid #93c5fd;
  flex-shrink: 0;
}

.cast-badge-text strong {
  display: block;
  font-size: 0.88rem;
  color: #fff;
}

.cast-badge-text span {
  display: block;
  font-size: 0.72rem;
  color: #cbd5e1;
  line-height: 1.35;
}

/* ─── Pickup Featured Grid (AINOW inspired) ─── */
.pickup-section {
  margin-bottom: 36px;
}

.section-heading-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-heading {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-heading-en {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.08em;
}

.pickup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pickup-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.pickup-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.pickup-thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0f172a;
  overflow: hidden;
}

.pickup-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.pickup-card:hover .pickup-thumb-wrap img {
  transform: scale(1.03);
}

.card-cat-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 0.72rem;
  font-weight: 800;
  color: #fff;
  padding: 3px 10px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.card-yt-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(220, 38, 38, 0.94);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pickup-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.pickup-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.76rem;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.pickup-title {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.45;
  margin-bottom: 10px;
}

.pickup-card:hover .pickup-title {
  color: var(--primary);
}

.pickup-tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-chip {
  display: inline-block;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 2px 8px;
  border-radius: 6px;
  transition: background 0.15s;
}

.tag-chip:hover {
  background: var(--primary-light);
}

/* ─── Home 2-Column Layout ─── */
.home-layout {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 32px;
  align-items: start;
}

/* ─── Filter Controls ─── */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.filter-tab {
  border: 1px solid var(--border-strong);
  background: var(--bg-subtle);
  color: var(--ink-body);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

.filter-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-tab.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.filter-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.result-count {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink);
}

.result-count strong {
  color: var(--primary);
  font-size: 1.15rem;
  margin: 0 3px;
}

.active-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-left: 8px;
}

.active-filter-pill button {
  border: none;
  background: none;
  color: var(--primary);
  cursor: pointer;
  font-weight: 900;
}

.sort-select {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-body);
  background: #fff;
}

/* ─── Article List Cards (Seikatsusha DDM & AINOW hybrid) ─── */
.article-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.art-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.art-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.art-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0f172a;
  overflow: hidden;
}

.art-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.art-card:hover .art-card-thumb img {
  transform: scale(1.03);
}

.art-card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.art-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.76rem;
  color: var(--ink-muted);
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.meta-pill {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 1px 7px;
  border-radius: 4px;
  font-weight: 600;
}

.art-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.48;
  margin-bottom: 10px;
}

.art-card:hover .art-card-title {
  color: var(--primary);
}

.art-card-problem {
  font-size: 0.82rem;
  color: var(--ink-muted);
  background: var(--bg-subtle);
  border-left: 3px solid var(--primary);
  padding: 8px 10px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 12px;
  line-height: 1.55;
}

.art-card-tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ─── Sidebar ─── */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 108px;
}

.side-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.side-widget-title {
  font-size: 0.98rem;
  font-weight: 900;
  color: var(--ink);
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag-cloud-btn {
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--ink-body);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.tag-cloud-btn:hover,
.tag-cloud-btn.is-active {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary-light);
}

.tag-cloud-count {
  color: var(--ink-light);
  font-size: 0.7rem;
  margin-left: 3px;
}

.side-policy-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--ink-body);
}

.side-policy-list li {
  display: flex;
  gap: 8px;
  line-height: 1.55;
}

/* ─── Article Detail Page Layout ─── */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumb a {
  color: var(--ink-muted);
}

.breadcrumb a:hover {
  color: var(--primary);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 32px;
  align-items: start;
}

.article-main {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* Key Visual Header (.p-kv inspired) */
.article-kv {
  border-bottom: 1px solid var(--border);
}

.article-kv-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0f172a;
}

.article-kv-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-kv-body {
  padding: 28px 36px 24px;
}

.article-meta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  font-size: 0.84rem;
  color: var(--ink-muted);
}

.article-cat-pill {
  color: #fff;
  font-weight: 800;
  font-size: 0.76rem;
  padding: 3px 10px;
  border-radius: 6px;
}

.article-h1 {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.article-tags-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.share-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid var(--border-strong);
  background: var(--bg-subtle);
  color: var(--ink-body);
  cursor: pointer;
}

.share-btn:hover {
  background: var(--primary-soft);
  border-color: var(--primary-light);
  color: var(--primary);
}

/* Content Body */
.article-content {
  padding: 32px 36px 44px;
}

/* Video Embed / Chapter Box */
.video-box {
  background: #0f172a;
  color: #fff;
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 28px;
}

.video-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
  flex-wrap: wrap;
}

.video-box-title {
  font-size: 0.95rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-cat-inline {
  font-size: 0.7rem;
  font-weight: 800;
  color: #fff;
  padding: 2px 8px;
  border-radius: 5px;
  white-space: nowrap;
}

.yt-ext-btn {
  background: #dc2626;
  color: #fff !important;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.yt-ext-btn:hover {
  background: #b91c1c;
}

.yt-facade {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 14px;
  background: #000;
  cursor: pointer;
}

.yt-facade img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.88;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.yt-facade:hover img {
  transform: scale(1.02);
  opacity: 0.75;
}

.yt-facade-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: radial-gradient(circle, rgba(15,23,42,0.25) 0%, rgba(15,23,42,0.65) 100%);
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
}

.yt-play-circle {
  width: 68px;
  height: 48px;
  border-radius: 12px;
  background: rgba(220, 38, 38, 0.95);
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.2s ease;
}

.yt-facade:hover .yt-play-circle {
  transform: scale(1.08);
}

.yt-iframe-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 14px;
  background: #000;
}

.yt-iframe-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-chapters-details summary {
  cursor: pointer;
  font-size: 0.82rem;
  color: #93c5fd;
  font-weight: 700;
  user-select: none;
}

.video-chapters-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 6px 14px;
  margin-top: 10px;
  font-size: 0.78rem;
  color: #cbd5e1;
}

.video-chapter-item {
  display: flex;
  gap: 8px;
}

.video-chapter-time {
  color: #60a5fa;
  font-family: var(--font-mono);
  font-weight: 700;
}

/* Reading Mode Switcher */
.mode-switcher-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 28px;
  gap: 12px;
  flex-wrap: wrap;
}

.mode-switcher-label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--ink);
}

.mode-switcher-btns {
  display: flex;
  gap: 6px;
  background: #e2e8f0;
  padding: 4px;
  border-radius: 10px;
}

.mode-btn {
  border: none;
  background: transparent;
  padding: 7px 14px;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.mode-btn.is-active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

/* Lead Box (Seikatsusha DDM bold intro + Takeaways) */
.lead-section {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid var(--border);
  border-left: 5px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 22px 26px;
  margin-bottom: 28px;
}

.lead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.lead-item {
  font-size: 0.95rem;
  line-height: 1.75;
}

.lead-item-badge {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
  vertical-align: middle;
}

.badge-problem {
  background: #fee2e2;
  color: #b91c1c;
}

.badge-tech {
  background: #dbeafe;
  color: #1d4ed8;
}

.lead-summary-text {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink-body);
  line-height: 1.8;
  padding-top: 12px;
  border-top: 1px dashed var(--border-strong);
}

/* Takeaway 3-Point Box */
.takeaways-box {
  background: #f0fdf4;
  border: 2px solid #86efac;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 28px;
}

.takeaways-header {
  font-size: 1rem;
  font-weight: 900;
  color: #166534;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.takeaways-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.takeaways-list li {
  position: relative;
  padding-left: 24px;
  font-weight: 700;
  color: #14532d;
  font-size: 0.95rem;
}

.takeaways-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: #16a34a;
  font-weight: 900;
}

/* Table of Contents (AINOW #toc_container style) */
.toc-box {
  background: #f8fafc;
  border: 2px solid #dbeafe;
  border-radius: var(--radius-md);
  padding: 22px 28px;
  margin-bottom: 36px;
}

.toc-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toc-h2-link {
  font-weight: 800;
  color: var(--ink-body);
  font-size: 0.94rem;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.toc-h2-link:hover {
  color: var(--primary);
}

.toc-num {
  color: var(--primary);
  font-weight: 900;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.toc-sub-list {
  list-style: none;
  padding-left: 28px;
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-h3-link {
  font-size: 0.84rem;
  color: var(--ink-muted);
  font-weight: 600;
}

.toc-h3-link::before {
  content: "・";
  color: var(--primary);
}

/* ─── Article Chapters & Headings ─── */
.article-chapter {
  margin-bottom: 48px;
  scroll-margin-top: 110px;
}

.chapter-h2 {
  font-size: 1.42rem;
  font-weight: 900;
  color: var(--ink);
  background: var(--bg-subtle);
  border-left: 6px solid var(--primary);
  border-bottom: 2px solid var(--border);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 22px;
  line-height: 1.4;
  display: flex;
  align-items: center;
  gap: 12px;
}

.chapter-num-badge {
  font-size: 0.75rem;
  font-weight: 900;
  background: var(--primary);
  color: #fff;
  padding: 3px 9px;
  border-radius: 6px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.section-h3 {
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--ink);
  padding-left: 12px;
  border-left: 4px solid #60a5fa;
  margin: 28px 0 14px;
  line-height: 1.45;
  scroll-margin-top: 110px;
}

.prose-para {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--ink-body);
  margin-bottom: 18px;
}

.prose-para strong {
  color: var(--ink);
  background: linear-gradient(transparent 65%, #fef08a 65%);
  padding: 0 2px;
}

.cite-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-soft);
  border: 1px solid var(--primary-light);
  padding: 0px 6px;
  border-radius: 4px;
  margin: 0 3px;
  vertical-align: baseline;
  line-height: 1.5;
}

.cite-badge:hover {
  background: var(--primary);
  color: #fff;
}

/* ─── Character Dialogue Box (ずんだもん × 四国めたん) ─── */
.dialogue-box {
  background: #fcfdff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin: 22px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
}

.dialogue-box-label {
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--ink-muted);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.dialogue-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.dialogue-row.who-metan {
  flex-direction: row-reverse;
}

.dialogue-avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 64px;
  flex-shrink: 0;
}

.dialogue-avatar img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.who-zunda .dialogue-avatar img {
  border: 2.5px solid var(--zunda);
}

.who-metan .dialogue-avatar img {
  border: 2.5px solid var(--metan);
}

.dialogue-speaker {
  font-size: 0.68rem;
  font-weight: 800;
  margin-top: 4px;
  color: var(--ink-muted);
  white-space: nowrap;
}

.dialogue-bubble {
  position: relative;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: calc(100% - 80px);
}

.who-zunda .dialogue-bubble {
  background: var(--zunda-bg);
  border: 1px solid var(--zunda-border);
  color: #14532d;
  border-top-left-radius: 4px;
}

.who-metan .dialogue-bubble {
  background: var(--metan-bg);
  border: 1px solid var(--metan-border);
  color: #831843;
  border-top-right-radius: 4px;
}

/* ─── Web Figures & Visual Components ─── */
.art-figure {
  margin: 24px 0 28px;
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
}

.fig-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.fig-badge {
  font-size: 0.72rem;
  font-weight: 800;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid var(--primary-light);
  padding: 2px 9px;
  border-radius: 999px;
}

.fig-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}

.fig-sub {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

.fig-note,
.fig-caption {
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-top: 12px;
  text-align: right;
}

/* CompareTable (AINOW scrollable-table enhanced) */
.scrollable-table {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
  font-size: 0.92rem;
}

.compare-table th,
.compare-table td {
  padding: 12px 14px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

.compare-table thead th {
  background: #f1f5f9;
  font-weight: 800;
  color: var(--ink);
  text-align: center;
}

.compare-table thead th.is-hl {
  background: #dbeafe;
  color: #1e40af;
}

.compare-table .row-label {
  background: #f8fafc;
  font-weight: 800;
  color: var(--ink);
  width: 24%;
  white-space: nowrap;
}

.compare-table td.is-hl {
  background: #eff6ff;
  font-weight: 700;
  color: #1e3a8a;
}

.table-col-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin: 0 auto 6px;
}

/* Info Cards */
.info-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}

.info-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.info-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.card-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #dbeafe;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-illust {
  width: 54px;
  height: 54px;
  object-fit: contain;
  flex-shrink: 0;
}

.card-chip {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  background: #e2e8f0;
  color: #334155;
  padding: 1px 7px;
  border-radius: 4px;
  margin-bottom: 2px;
}

.info-card-title {
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.35;
}

.info-card-body {
  font-size: 0.86rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* StepList */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}

.step-num {
  background: #059669;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 900;
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  margin-top: 2px;
}

.step-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.96rem;
  color: var(--ink);
}

.step-body {
  font-size: 0.86rem;
  color: var(--ink-muted);
  margin-top: 4px;
}

/* FlowDiagram */
.flow-diagram-track {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.flow-node {
  flex: 1;
  min-width: 150px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.flow-node-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.flow-node-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--ink);
}

.flow-node-text span {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.flow-arrow {
  font-weight: 900;
  color: var(--primary);
  font-size: 1.2rem;
}

.flow-loop-badge {
  margin-top: 10px;
  display: inline-block;
  background: #fef3c7;
  color: #b45309;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
}

/* CodeBlock */
.fig-code {
  background: #0f172a;
  color: #f8fafc;
  padding: 0;
  overflow: hidden;
  border-color: #1e293b;
}

.code-header {
  background: #1e293b;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.code-dots {
  display: flex;
  gap: 6px;
}

.code-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #475569;
}

.code-filename {
  font-size: 0.82rem;
  font-weight: 700;
  color: #e2e8f0;
  font-family: var(--font-mono);
}

.code-badge {
  font-size: 0.7rem;
  background: #334155;
  color: #93c5fd;
  padding: 2px 8px;
  border-radius: 4px;
}

.code-copy-btn {
  margin-left: auto;
  background: #334155;
  color: #fff;
  border: 1px solid #475569;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
}

.code-copy-btn:hover {
  background: #475569;
}

.code-pre {
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
  color: #f1f5f9;
}

/* ChatMock */
.chat-mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.92rem;
  color: var(--ink);
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.chat-mock-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chat-msg {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
}

.chat-msg-user {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  align-self: flex-end;
  max-width: 88%;
}

.chat-msg-ai {
  background: #f8fafc;
  border: 1px solid var(--border-strong);
  align-self: flex-start;
  max-width: 88%;
}

.chat-msg-system {
  background: #fef3c7;
  color: #92400e;
  font-size: 0.8rem;
  text-align: center;
  align-self: center;
}

.chat-role-badge {
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--ink-muted);
  margin-bottom: 2px;
}

/* Quote */
.fig-quote {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.quote-badge-bar {
  font-size: 0.76rem;
  font-weight: 800;
  color: #334155;
  margin-bottom: 12px;
}

.quote-imgs-grid {
  display: grid;
  gap: 12px;
}

.quote-imgs-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.quote-img-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
}

.quote-img-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  background: #e2e8f0;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.quote-pins {
  list-style: none;
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quote-pins li {
  font-size: 0.8rem;
  font-weight: 700;
  background: #fef9c3;
  color: #854d0e;
  padding: 4px 10px;
  border-radius: 6px;
}

.quote-source {
  font-size: 0.76rem;
  color: var(--ink-muted);
  margin-top: 10px;
  text-align: right;
}

/* Caution */
.art-caution {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-left: 5px solid #dc2626;
  border-radius: 10px;
  padding: 16px 20px;
  margin: 22px 0;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.caution-stamp {
  display: inline-block;
  background: #dc2626;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
}

.caution-title {
  font-size: 0.98rem;
  color: #991b1b;
}

.caution-text {
  font-size: 0.88rem;
  color: #7f1d1d;
  margin-top: 4px;
}

/* Versus */
.versus-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
}

.versus-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  position: relative;
}

.versus-card.is-pick {
  background: #eff6ff;
  border: 2px solid var(--primary);
}

.versus-pick-badge {
  position: absolute;
  top: -10px;
  right: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 999px;
}

.versus-img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  margin: 0 auto 10px;
}

.versus-card-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}

.versus-lines {
  list-style: none;
  font-size: 0.85rem;
  color: var(--ink-body);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.versus-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.versus-divider span {
  background: var(--ink);
  color: #fff;
  font-weight: 900;
  font-size: 0.78rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* BigNumbers */
.bignums-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.bignum-card {
  background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 100%);
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  padding: 18px;
  text-align: center;
}

.bignum-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.1;
}

.bignum-unit {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink);
  margin-left: 3px;
}

.bignum-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink-body);
  margin-top: 6px;
}

.bignum-sub {
  font-size: 0.76rem;
  color: var(--ink-muted);
  margin-top: 2px;
}

/* BarChart */
.barchart-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.barchart-row {
  display: grid;
  grid-template-columns: 180px 1fr 90px;
  gap: 12px;
  align-items: center;
}

.barchart-label strong {
  display: block;
  font-size: 0.88rem;
  color: var(--ink);
}

.barchart-label small {
  display: block;
  font-size: 0.74rem;
  color: var(--ink-muted);
}

.barchart-track {
  height: 18px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.barchart-fill {
  height: 100%;
  background: #64748b;
  border-radius: 999px;
}

.barchart-row.is-hl .barchart-fill {
  background: linear-gradient(90deg, #2563eb, #059669);
}

.barchart-val {
  font-weight: 800;
  font-size: 0.9rem;
  text-align: right;
  color: var(--ink);
  font-family: var(--font-mono);
}

.barchart-callout {
  margin-top: 12px;
  background: #fef3c7;
  color: #92400e;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 700;
}

/* KeywordPop */
.art-kw-pop {
  background: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 100%);
  border: 2px solid #93c5fd;
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin: 22px 0;
  display: flex;
  align-items: center;
  gap: 18px;
}

.kw-pop-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.kw-pop-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 0.08em;
}

.kw-pop-word {
  display: block;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--ink);
}

.kw-pop-sub {
  font-size: 0.9rem;
  color: var(--ink-body);
  margin-top: 2px;
}

/* Illust & Photo */
.illust-img-wrap {
  max-width: 420px;
  margin: 0 auto;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.photo-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-subtle);
}

.photo-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.photo-meta {
  padding: 10px 12px;
  font-size: 0.82rem;
}

/* Timeline, KV, Signal, Slots, Concept */
.tl-track, .kv-list, .signal-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tl-item, .kv-row, .signal-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-subtle);
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.88rem;
}

.tl-date, .kv-key {
  font-weight: 800;
  color: var(--primary);
  min-width: 90px;
}

.slots-box, .concept-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.slot-pill, .concept-node {
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
}

/* Summary Box */
.art-summary-box {
  background: #f0fdf4;
  border: 2px solid #86efac;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 24px 0;
}

.art-summary-title {
  font-weight: 900;
  color: #166534;
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.art-summary-list {
  padding-left: 20px;
  color: #14532d;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ─── Shorts Tips Section ─── */
.shorts-section {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 2px solid var(--border);
}

.shorts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.short-tip-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.short-tip-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 800;
  color: #b45309;
  background: #fef3c7;
  padding: 2px 8px;
  border-radius: 4px;
  align-self: flex-start;
}

.short-tip-title {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--ink);
}

.short-tip-summary {
  font-size: 0.86rem;
  color: var(--ink-body);
  line-height: 1.65;
}

/* ─── Fact Check & Primary Sources Section ─── */
.research-section {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 2px solid var(--border);
}

.sources-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.source-item {
  font-size: 0.84rem;
  padding: 8px 12px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  scroll-margin-top: 120px;
}

.source-id {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 1px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}

.source-domain {
  font-size: 0.72rem;
  color: var(--ink-muted);
  background: #e2e8f0;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: auto;
  flex-shrink: 0;
}

.notes-box {
  margin-top: 24px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 0.8rem;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ─── Author / Cast Profile (.p-auther inspired by Seikatsusha DDM) ─── */
.author-section {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.author-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 14px;
}

.author-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.author-card img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
}

.author-role {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--primary);
}

.author-name {
  font-size: 1rem;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 4px;
}

.author-bio {
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.55;
}

/* ─── Feedback Widget (Seikatsusha DDM #articleReview inspired) ─── */
.feedback-box {
  margin-top: 32px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}

.feedback-btns {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}

.feedback-btn {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
}

.feedback-btn:hover,
.feedback-btn.is-selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ─── Footer ─── */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 48px 24px 36px;
  margin-top: 64px;
}

.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 36px;
}

.footer-title {
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
}

.footer-links a {
  color: #cbd5e1;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  max-width: 1240px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid #1e293b;
  font-size: 0.78rem;
  color: #64748b;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 980px) {
  .pickup-grid {
    grid-template-columns: 1fr;
  }
  .home-layout,
  .article-layout {
    grid-template-columns: 1fr;
  }
  .serialization-hero {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .article-list-grid,
  .author-cards {
    grid-template-columns: 1fr;
  }
  .article-kv-body,
  .article-content {
    padding: 20px;
  }
  .barchart-row {
    grid-template-columns: 120px 1fr 70px;
  }
  .versus-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .tech-spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* ─── Technical Cover Banner (Character-free 16:9 Card & Hero Graphic) ─── */
.tech-cover {
  width: 100%;
  height: 100%;
  background-color: #0f172a;
  background-image:
    radial-gradient(circle at 85% 20%, rgba(59, 130, 246, 0.22), transparent 55%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  position: relative;
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  align-items: center;
  padding: 18px 20px;
  gap: 14px;
  overflow: hidden;
  border-bottom: 3px solid var(--cat-color, #1d4ed8);
}

.tech-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.tc-left {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.tc-kicker-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.tc-cat-en {
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--cat-color, #1d4ed8);
  padding: 2px 8px;
  border-radius: 4px;
}

.tc-badge {
  font-size: 0.65rem;
  font-weight: 800;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 2px 7px;
  border-radius: 4px;
}

.tc-lines {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.tc-line {
  font-size: 1.08rem;
  font-weight: 900;
  color: #f8fafc;
  line-height: 1.28;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.tc-line.is-accent {
  color: #93c5fd;
  font-size: 1.18rem;
}

.tc-lg .tc-line {
  font-size: 1.65rem;
}

.tc-lg .tc-line.is-accent {
  font-size: 1.85rem;
}

.tc-lg {
  padding: 32px 40px;
}

.tc-sm {
  padding: 12px 14px;
}

.tc-sm .tc-line {
  font-size: 0.88rem;
}

.tc-sm .tc-line.is-accent {
  font-size: 0.94rem;
}

.tc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 2px;
}

.tc-chip {
  font-size: 0.66rem;
  font-weight: 700;
  color: #cbd5e1;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 2px 7px;
  border-radius: 999px;
}

.tc-lg .tc-chip {
  font-size: 0.78rem;
  padding: 4px 11px;
}

.tc-right {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tc-illust-frame {
  background: #ffffff;
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  border: 2px solid rgba(255, 255, 255, 0.85);
  max-height: 92%;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tc-illust-frame img {
  max-height: 130px;
  width: auto;
  object-fit: contain;
}

.tc-lg .tc-illust-frame {
  padding: 14px;
  border-radius: 16px;
}

.tc-lg .tc-illust-frame img {
  max-height: 240px;
}

.tc-sm .tc-illust-frame img {
  max-height: 88px;
}

.policy-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.serialization-cast {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cast-badge {
  width: 310px;
}

.art-card-tech {
  font-size: 0.78rem;
  color: var(--ink-body);
  background: #f8fafc;
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
  line-height: 1.5;
}

.side-article-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
}

.side-article-link:last-child {
  border-bottom: none;
}

.side-art-cat {
  align-self: flex-start;
  font-size: 0.62rem;
  font-weight: 800;
  color: #fff;
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.side-art-title {
  font-size: 0.84rem;
  font-weight: 800;
  line-height: 1.45;
  color: var(--ink);
}

.side-article-link:hover .side-art-title {
  color: var(--primary);
}

.side-art-meta {
  font-size: 0.72rem;
  color: var(--ink-muted);
}

/* ─── Technical Specification Box (Article Top) ─── */
.tech-spec-box {
  background: #f8fafc;
  border: 1px solid var(--border-strong);
  border-top: 3px solid var(--primary);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
}

.tech-spec-header {
  background: #0f172a;
  color: #f8fafc;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  padding: 8px 18px;
}

.tech-spec-grid {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.tech-spec-row {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 0.88rem;
}

.tech-spec-key {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--ink-muted);
  background: #f1f5f9;
  padding: 3px 8px;
  border-radius: 4px;
}

.tech-spec-val {
  color: var(--ink-body);
  line-height: 1.55;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.spec-domain-chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: #1e40af;
  background: #dbeafe;
  padding: 1px 8px;
  border-radius: 4px;
}

.tech-abstract {
  padding: 16px 18px;
  font-size: 0.94rem;
  color: var(--ink-body);
  line-height: 1.8;
}

.h3-fig-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-soft);
  border: 1px solid var(--primary-light);
  padding: 2px 7px;
  border-radius: 4px;
  margin-right: 8px;
  vertical-align: middle;
}

.editorial-team-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

/* ─── Refined Editorial Overrides (Seikatsusha DDM & Modern AI Media Style) ─── */
.article-lead {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.article-lead p {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--ink);
}

.article-lead strong {
  font-weight: 700;
}

.takeaways-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 28px;
}

.takeaways-header {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
}

.takeaways-list li {
  color: var(--ink-body);
  font-weight: 600;
  font-size: 0.94rem;
}

.takeaways-list li::before {
  content: "・";
  color: var(--primary);
}

.toc-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 26px;
  margin-bottom: 36px;
}

.chapter-h2 {
  font-size: 1.38rem;
  font-weight: 800;
  color: var(--ink);
  background: transparent;
  border-left: 4px solid var(--primary);
  border-bottom: 1px solid var(--border);
  padding: 6px 0 12px 14px;
  border-radius: 0;
  margin-bottom: 22px;
  line-height: 1.45;
}

.prose-para strong {
  color: var(--ink);
  background: none;
  font-weight: 700;
}

.side-rec-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.side-rec-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
}

.side-rec-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.side-rec-thumb {
  width: 96px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.side-rec-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.side-rec-date {
  font-size: 0.72rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
}

.side-rec-title {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.side-rec-item:hover .side-rec-title {
  color: var(--primary);
}

.facts-details {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  background: #f8fafc;
}

.facts-details summary {
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink-body);
}

/* ─── Article Embedded Video Section ─── */
.article-video-section {
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
}

.article-video-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.article-video-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--ink);
}

.video-badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #dc2626;
  color: #fff;
  font-size: 0.72rem;
}

.article-video-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.video-source-tabs {
  display: inline-flex;
  background: #e2e8f0;
  border-radius: 7px;
  padding: 2px;
  gap: 2px;
}

.video-src-btn {
  border: none;
  background: transparent;
  color: var(--ink-muted);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}

.video-src-btn.is-active {
  background: #ffffff;
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

.yt-watch-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #dc2626 !important;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid #fecaca;
  background: #fef2f2;
  transition: background 0.15s;
}

.yt-watch-link:hover {
  background: #fee2e2;
}

.article-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0f172a;
}

.article-video-frame iframe,
.article-video-frame video {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  object-fit: contain;
  background: #000;
}

.video-chapters-bar {
  padding: 12px 18px 14px;
  background: #f8fafc;
  border-top: 1px solid var(--border);
}

.video-chapters-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.article-video-section .video-chapters-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 0;
}

.video-chapter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--ink-body);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.15s;
}

.video-chapter-btn:hover {
  border-color: var(--primary-light);
  background: var(--primary-soft);
  color: var(--primary);
}

.video-chapter-btn .video-chapter-time {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.75rem;
}

.video-chapter-btn .video-chapter-title {
  font-weight: 600;
}

/* ─── Technical Guide & Terminology Glossary ─── */
.tech-glossary-box {
  margin-top: 24px;
  background: #f8fafc;
  border: 1px solid #dbeafe;
  border-radius: var(--radius-md);
  padding: 20px 24px;
}

.tech-glossary-header {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid #dbeafe;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-glossary-header::before {
  content: "KEY TERMS";
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  background: var(--primary);
  color: #ffffff;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.tech-glossary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (max-width: 768px) {
  .tech-glossary-grid {
    grid-template-columns: 1fr;
  }
}

.tech-glossary-item {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}

.tech-glossary-term {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.4;
}

.tech-glossary-def {
  font-size: 0.84rem;
  color: var(--ink-body);
  line-height: 1.65;
}

/* ─── 読者の疑問（動画の聞き手の質問を残したもの） ─── */
.reader-q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 22px 0 10px;
  font-weight: 800;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
}
.reader-q-mark {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

/* ─── 記事のメタ情報 ─── */
.article-meta-read {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.article-asof {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: -8px 0 24px;
  padding: 10px 14px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--ink-muted);
  line-height: 1.6;
}
.article-asof .ph-icon {
  margin-top: 2px;
}
.footer-about {
  font-size: 0.84rem;
  line-height: 1.8;
  color: #94a3b8;
}

/* ─── アイコンを並べる見出し・注記 ─── */
.quote-badge-bar,
.barchart-callout,
.art-summary-title,
.short-tip-link {
  display: flex;
  align-items: center;
  gap: 6px;
}
.quote-pins li {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.header-search-icon {
  display: inline-flex;
  line-height: 0;
}
.short-tip-link {
  margin-top: auto;
  font-size: 0.82rem;
  font-weight: 700;
  color: #b91c1c;
}
.short-tip-link:hover {
  color: #7f1d1d;
}

/* ─── 関連記事 ─── */
.related-section {
  margin-top: 48px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ─── 判断AIの結果（JevResult） ─── */
.jev-input {
  display: flex;
  gap: 14px;
  align-items: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 0.92rem;
}
.jev-input-img {
  width: 96px;
  border-radius: 6px;
  flex-shrink: 0;
}
.jev-answers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.jev-answer {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: #fff;
}
.jev-answer-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  margin-bottom: 8px;
}
.jev-q {
  font-size: 0.78rem;
  color: var(--ink-muted);
  font-weight: 700;
  width: 100%;
}
.jev-val {
  font-size: 1.05rem;
  color: var(--ink);
}
.jev-conf {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--primary);
  background: var(--primary-soft);
  padding: 1px 8px;
  border-radius: 999px;
}
.prob-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.prob-row {
  display: grid;
  grid-template-columns: minmax(0, 7em) 1fr 3.2em;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
}
.prob-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.prob-track {
  height: 8px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}
.prob-fill {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
}
.prob-val {
  text-align: right;
  font-family: var(--font-mono);
  color: var(--ink-muted);
}

/* ─── 自信度のメーター ─── */
.meter-wrap {
  position: relative;
  padding-bottom: 14px;
}
.meter-bar {
  display: flex;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
}
.meter-zone {
  padding: 10px 8px;
  text-align: center;
  min-width: 0;
  color: #1e293b;
}
.meter-zone span {
  display: block;
  font-weight: 800;
  font-size: 0.86rem;
}
.meter-zone small {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #475569;
}
.meter-markers {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 14px;
}
.meter-marker {
  position: absolute;
  top: 0;
  width: 0;
  height: 0;
  margin-left: -7px;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 10px solid var(--ink);
}
.meter-legend {
  list-style: none;
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.82rem;
  color: var(--ink-body);
}
.meter-legend li::before {
  content: "▲ ";
  font-size: 0.7rem;
}

/* ─── 傾向の曲線 ─── */
.curve-box {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
}
.curve-y {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.74rem;
  color: var(--ink-muted);
  writing-mode: vertical-rl;
  padding: 6px 0 40px;
}
.curve-plot svg {
  width: 100%;
  height: 200px;
  display: block;
  background: var(--bg-subtle);
  border-radius: 8px;
}
.curve-line {
  fill: none;
  stroke: var(--primary);
  stroke-width: 4;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.curve-band {
  fill: rgba(220, 38, 38, 0.1);
}
.curve-band-label {
  font-size: 14px;
  font-weight: 700;
  fill: #b91c1c;
}
.curve-x {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-top: 4px;
}
.curve-x-title {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-body);
}

/* ─── 生成の比較・作業画面 ─── */
.gen-text {
  font-size: 0.86rem;
  background: var(--bg-subtle);
  border-radius: 8px;
  padding: 10px 12px;
}
.gen-time {
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.workpane {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
}
.wp-chat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.wp-pane-title {
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
  margin-bottom: 4px;
}
.wp-doc {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: #fff;
}
.wp-heading {
  font-size: 0.98rem;
  font-weight: 900;
  margin-bottom: 8px;
}
.wp-para {
  font-size: 0.86rem;
  line-height: 1.7;
  padding: 4px 6px;
  border-radius: 6px;
  margin-bottom: 4px;
}
.wp-para.is-ai {
  background: #ecfdf5;
  outline: 1px solid #6ee7b7;
}
.wp-para.is-human {
  background: #eff6ff;
  outline: 1px solid #93c5fd;
}
.wp-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  margin-right: 6px;
  padding: 0 6px;
  border-radius: 4px;
  background: #fff;
  color: var(--ink-muted);
  border: 1px solid var(--border-strong);
}

/* ─── キーボード操作の見た目 ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid #93c5fd;
  outline-offset: 2px;
  border-radius: 4px;
}

@media (max-width: 980px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ─── スマホ（ヘッダーが詰まって社名が1文字ずつ折れる・横にはみ出すのを直す） ─── */
@media (max-width: 640px) {
  .header-top {
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 10px;
  }
  .brand-logo {
    gap: 10px;
  }
  .brand-logo-mark {
    width: 36px;
    height: 36px;
  }
  .brand-name {
    font-size: 1.1rem;
    white-space: nowrap;
  }
  .brand-sub {
    display: none;
  }
  .header-actions,
  .header-search-wrap {
    width: 100%;
  }
  .header-nav-inner {
    padding: 0 8px;
  }
  .site-container {
    padding: 20px 16px 48px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .workpane {
    grid-template-columns: 1fr;
  }
  .card-cat-inline,
  .article-cat-pill {
    white-space: normal;
  }
  .barchart-row {
    grid-template-columns: 1fr 64px;
  }
  .barchart-row .barchart-label {
    grid-column: 1 / -1;
  }
  .article-kv-body,
  .article-content {
    padding: 16px;
  }
  .code-pre {
    font-size: 0.8rem;
  }
}