/* ===== GitHub Marketing News — Media Site Design (NewsPicks / Vercel inspired) ===== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #fafafa;
  --bg-white: #ffffff;
  --bg-elevated: #f5f5f5;
  --bg-card: #ffffff;
  --bg-card-hover: #fafafa;
  --border: #e5e7eb;
  --border-light: #d1d5db;
  --text: #111827;
  --text-secondary: #4b5563;
  --text-muted: #9ca3af;
  --accent: #2563eb;
  --accent-light: #3b82f6;
  --accent-dark: #1d4ed8;
  --accent-glow: rgba(37,99,235,0.08);
  --green: #059669;
  --green-light: #10b981;
  --green-glow: rgba(5,150,105,0.08);
  --amber: #d97706;
  --amber-glow: rgba(217,119,6,0.08);
  --rose: #e11d48;
  --sky: #0284c7;
  --violet: #7c3aed;
  --violet-glow: rgba(124,58,237,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 4px rgba(0,0,0,0.04);
  --shadow: 0 2px 8px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }

/* ===== Header ===== */
.header {
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo-img {
  height: 52px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
}
.logo .brand-name { color: var(--text); }
.logo .brand-sub { color: #7c3aed; font-weight: 700; }

/* Search */
.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0 16px;
  max-width: 360px;
  flex: 1;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-white);
}
.search-box input {
  background: none;
  border: none;
  color: var(--text);
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  width: 100%;
  padding: 10px 8px;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  transition: color var(--transition);
}
.search-box button:hover { color: var(--accent); }

.header-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
  line-height: 1.5;
}
.header-meta .update-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--green-glow);
  color: var(--green);
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
}
.header-meta .update-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== Site Navigation ===== */
.site-nav {
  display: flex;
  gap: 2px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
}
.site-nav-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 18px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.site-nav-item:hover {
  color: var(--text);
  background: var(--bg-card);
}
.site-nav-item.active {
  background: var(--text);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

/* ===== Landing Page Sections ===== */
.landing-sections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0;
}
.landing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.landing-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}
.landing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.landing-card:hover::before { opacity: 1; }
.landing-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  width: 72px;
  height: 72px;
  background: var(--bg-elevated);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.landing-card h2 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}
.landing-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.landing-card-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}

/* ===== Hero ===== */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 32px 0;
}
.hero-headline {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
  color: var(--text);
  line-height: 1.3;
}
.hero-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
}
.stat-card.stat-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow), var(--shadow-sm);
}
.stat-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.stat-card.stat-total {
  background: var(--text);
  border-color: transparent;
}
.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
}
.stat-card.stat-total .stat-number {
  color: #fff;
}
.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
.stat-card.stat-total .stat-label { color: rgba(255,255,255,0.6); }

/* ===== Top Picks ===== */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 40px 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.section-title .icon { font-size: 1.1rem; }
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-left: 16px;
}

.top-picks {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-bottom: 8px;
}
.pick-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.pick-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--transition);
}
.pick-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.pick-card:hover::before { opacity: 1; }

.pick-rank {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--text);
  color: #fff;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
}
.pick-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
  padding-right: 36px;
  line-height: 1.4;
}
.pick-card h3 a { color: var(--text); }
.pick-card h3 a:hover { color: var(--accent); }
.pick-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  min-height: 2.6em;
  line-height: 1.6;
}
.pick-meta {
  display: flex;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}
.pick-meta .stars { color: var(--amber); font-family: 'JetBrains Mono', monospace; }
.pick-meta .score { color: var(--green); font-family: 'JetBrains Mono', monospace; }

/* ===== Category Tabs ===== */
.controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 32px 0 20px;
}
.tab-group {
  display: flex;
  gap: 2px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 4px;
}
.tab {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.84rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: none;
  font-family: inherit;
  font-weight: 600;
}
.tab:hover { color: var(--text); background: var(--bg-card); }
.tab.active {
  background: var(--text);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.tab .count {
  font-size: 0.68rem;
  opacity: 0.5;
  margin-left: 4px;
  font-family: 'JetBrains Mono', monospace;
}

.sort-select {
  margin-left: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  padding: 8px 14px;
  font-size: 0.84rem;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  transition: border-color var(--transition);
}
.sort-select:hover { border-color: var(--border-light); }

/* ===== Repo Grid ===== */
.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.repo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.repo-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.repo-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}
.repo-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.repo-name a { color: var(--text); }
.repo-name a:hover { color: var(--accent); }
.repo-owner {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 2px;
  font-weight: 500;
}

.score-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.76rem;
  font-weight: 700;
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
}
.score-high { background: var(--green-glow); color: var(--green); border: 1px solid rgba(5,150,105,0.15); }
.score-mid { background: var(--amber-glow); color: var(--amber); border: 1px solid rgba(217,119,6,0.15); }
.score-low { background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border); }

.repo-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
  line-height: 1.7;
}

.repo-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.tag {
  background: var(--accent-glow);
  color: var(--accent);
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
}
.tag-lang {
  background: var(--violet-glow);
  color: var(--violet);
}
.tag-cat {
  background: var(--text);
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.65rem;
}

.repo-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
}
.repo-stats {
  display: flex;
  gap: 20px;
}
.repo-stats span {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.repo-stats .star-icon { color: var(--amber); }
.repo-stats .fork-icon { color: var(--text-muted); }

.repo-links { display: flex; gap: 8px; }
.repo-links a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-weight: 600;
  transition: all var(--transition);
}
.repo-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 40px 0 60px;
}
.page-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  padding: 10px 22px;
  font-size: 0.86rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  font-weight: 600;
}
.page-btn:hover { border-color: var(--accent); color: var(--accent); }
.page-btn.active {
  background: var(--text);
  color: #fff;
  border-color: transparent;
}

/* ===== Detail Page ===== */
.detail-hero {
  max-width: 860px;
  margin: 48px auto 0;
  padding: 0 32px;
}
.detail-hero .owner {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 4px;
}
.detail-hero h1 {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
  line-height: 1.2;
}
.detail-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.8;
}

.detail-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}
.detail-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  text-align: center;
  transition: all var(--transition);
}
.detail-stat:hover { box-shadow: var(--shadow-sm); }
.detail-stat .val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
}
.detail-stat .lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-top: 4px;
}

.detail-links {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
}
.detail-links a {
  padding: 12px 32px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--text);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: #000; color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-secondary:hover { border-color: var(--text); color: var(--text); }

.detail-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 32px 56px;
}

/* Detail tables */
.info-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 24px;
  margin-top: 14px;
}
.info-table table { width: 100%; font-size: 0.92rem; border-collapse: collapse; }
.info-table td { padding: 14px 0; }
.info-table td:first-child { color: var(--text-muted); width: 180px; font-weight: 600; font-size: 0.85rem; }
.info-table tr + tr td { border-top: 1px solid var(--border); }

.history-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 0;
  margin-top: 14px;
  overflow-x: auto;
}
.history-table table { width: 100%; font-size: 0.88rem; border-collapse: collapse; }
.history-table th {
  text-align: left;
  padding: 12px 24px;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--border);
}
.history-table th:not(:first-child) { text-align: right; }
.history-table td {
  padding: 12px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.84rem;
}
.history-table td:not(:first-child) { text-align: right; }
.history-table tr + tr td { border-top: 1px solid var(--border); }
.history-table .star-val { color: var(--amber); font-weight: 700; }

/* Star History Chart */
.star-history-chart {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 14px;
  text-align: center;
}
.star-history-chart a { display: block; }
.star-history-chart img {
  width: 100%;
  max-width: 720px;
  height: auto;
  margin: 0 auto;
  display: block;
  border-radius: var(--radius-sm);
}
.star-history-credit {
  margin-top: 12px;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.star-history-credit a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.star-history-credit a:hover { color: var(--accent); }

/* History details toggle */
.history-details {
  margin-top: 16px;
}
.history-details summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 10px 0;
  user-select: none;
}
.history-details summary:hover { color: var(--accent); }
.history-details[open] summary { margin-bottom: 4px; }

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.9;
  background: var(--bg-white);
}
.footer a { color: var(--text-secondary); font-weight: 600; }
.footer a:hover { color: var(--accent); }

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 3.5rem; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { color: var(--text-secondary); margin-bottom: 8px; }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .top-picks { grid-template-columns: repeat(3, 1fr); }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .header-inner { flex-direction: column; gap: 10px; padding: 10px 16px; }
  .site-nav { gap: 1px; padding: 2px; }
  .site-nav-item { padding: 6px 12px; font-size: 0.75rem; }
  .search-box { max-width: 100%; }
  .hero { padding: 28px 16px 0; }
  .section { padding: 0 16px; }
  .landing-sections { grid-template-columns: 1fr; gap: 12px; margin: 24px 0; }
  .landing-card { padding: 24px 20px; }
  .landing-card-icon { font-size: 2rem; width: 56px; height: 56px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-card { padding: 14px 12px; }
  .stat-number { font-size: 1.4rem; }
  .top-picks { grid-template-columns: 1fr; }
  .repo-grid { grid-template-columns: 1fr; }
  .controls { flex-direction: column; align-items: stretch; }
  .tab-group { overflow-x: auto; }
  .sort-select { margin-left: 0; }
  .hero-headline { font-size: 1.4rem; }
  .detail-hero { padding: 0 16px; }
  .detail-hero h1 { font-size: 1.6rem; }
  .detail-section { padding: 0 16px 40px; }
  .explanation { padding: 0 16px 40px; }
  .feature-grid { grid-template-columns: 1fr !important; }
  .flow-chart { flex-direction: column; align-items: center; }
  .flow-arrow { transform: rotate(90deg); margin: 8px 0; }
  .persona-cards { grid-template-columns: 1fr !important; }
  .comparison-table th, .comparison-table td { padding: 12px 14px; font-size: 0.88rem; }
}

/* ===================================================
   Infographic Image — Simple with subtle border
   =================================================== */

.infographic-wrap {
  margin-top: 16px;
  margin-bottom: 32px;
}

.infographic-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* ===================================================
   Explanation / Infographic — Editorial Style
   =================================================== */

.explanation {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 32px 60px;
}

.explanation .section-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 52px 0 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--text);
}

.explanation .section-title .icon {
  font-size: 1.3rem;
}

.explanation .section-title::after {
  content: none;
}

/* ① Summary Box */
.summary-box {
  background: var(--accent-glow);
  border: none;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 28px 32px;
  font-size: 1.1rem;
  line-height: 2;
  color: var(--text);
  font-weight: 500;
}

/* ② Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow);
  border-color: transparent;
  transform: translateY(-2px);
}

.feature-card .feat-icon {
  font-size: 1.6rem;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--bg-elevated);
  border-radius: 12px;
}

.feature-card .feat-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.feature-card .feat-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ③ Flow Chart */
.flow-chart {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  padding: 24px 0;
}

.flow-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  min-width: 170px;
  max-width: 240px;
  flex: 1;
  transition: all var(--transition);
}

.flow-step:hover {
  box-shadow: var(--shadow-sm);
}

.flow-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--text);
  color: #fff;
  border-radius: 50%;
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 16px;
  font-family: 'JetBrains Mono', monospace;
}

.flow-step .step-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.flow-step .step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.flow-arrow {
  color: var(--text-muted);
  font-size: 1.4rem;
  margin: 0 12px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

/* Creator Card (誰が作っているか) */
.creator-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  gap: 22px;
  align-items: flex-start;
  transition: all var(--transition);
}

.creator-card:hover {
  box-shadow: var(--shadow-sm);
}

.creator-icon {
  font-size: 2rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--bg-elevated);
  border-radius: 16px;
}

.creator-info {
  flex: 1;
  min-width: 0;
}

.creator-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}

.creator-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.creator-type {
  display: inline-flex;
  align-items: center;
  padding: 3px 14px;
  border-radius: 100px;
  font-size: 0.76rem;
  font-weight: 700;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(37,99,235,0.12);
}

.creator-country {
  font-size: 0.84rem;
  color: var(--text-muted);
  font-weight: 500;
}

.creator-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 10px;
}

.creator-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 18px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
  transition: all var(--transition);
}
.creator-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ④ Persona Cards */
.persona-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.persona-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
  display: flex;
  gap: 18px;
  align-items: center;
  transition: all var(--transition);
}

.persona-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.persona-card .persona-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--bg-elevated);
  border-radius: 14px;
}

.persona-card .persona-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 5px;
}

.persona-card .persona-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ⑤ Difficulty Meter */
.difficulty-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.difficulty-stars {
  font-size: 2rem;
  letter-spacing: 6px;
  margin-bottom: 12px;
}

.difficulty-stars .star-filled {
  color: var(--amber);
}

.difficulty-stars .star-empty {
  color: var(--border);
}

.difficulty-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  display: inline-block;
  padding: 4px 16px;
  border-radius: 100px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.difficulty-bar {
  width: 100%;
  height: 10px;
  background: var(--bg-elevated);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 16px;
}

.difficulty-bar-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 0.6s ease;
}

.difficulty-bar-fill.level-1 { width: 20%; background: #059669; }
.difficulty-bar-fill.level-2 { width: 40%; background: #65a30d; }
.difficulty-bar-fill.level-3 { width: 60%; background: #d97706; }
.difficulty-bar-fill.level-4 { width: 80%; background: #ea580c; }
.difficulty-bar-fill.level-5 { width: 100%; background: #dc2626; }

.difficulty-note {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ⑥ Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.comparison-table th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 24px;
  text-align: left;
  border-bottom: 2px solid var(--border);
}

.comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table .tool-name {
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

/* ⑦ Verdict Box */
.verdict-box {
  background: var(--green-glow);
  border: none;
  border-left: 4px solid var(--green);
  border-radius: var(--radius-sm);
  padding: 28px 32px;
  font-size: 1.05rem;
  line-height: 2;
  color: var(--text);
  font-weight: 500;
}