:root {
  color-scheme: light dark;
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #5f6368;
  --border: #dfe3e8;
  --accent: #3478d6;
  --accent-soft: rgba(52, 120, 214, 0.12);
  --on: #1e8e5a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --card: #1b2028;
    --text: #f3f4f6;
    --muted: #9aa3ad;
    --border: #2d3640;
    --accent: #5b9cf5;
    --accent-soft: rgba(91, 156, 245, 0.15);
    --on: #34d399;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

nav {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
}

nav a.active {
  background: var(--accent-soft);
  border-color: var(--accent);
}

header h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
}

header p {
  margin: 0;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-top: 20px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.hero {
  text-align: center;
  padding: 48px 20px 32px;
}

.hero h1 {
  font-size: 2rem;
  margin: 0 0 12px;
}

.hero p {
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 24px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
}

.btn-secondary {
  background: var(--card);
  color: var(--accent);
  border: 1px solid var(--border);
  margin-left: 8px;
}

footer {
  margin-top: 32px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

footer a { color: var(--accent); }

code {
  font-family: ui-monospace, Menlo, monospace;
  font-size: 0.88em;
  background: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}

th { background: var(--accent-soft); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge-on { background: rgba(30, 142, 90, 0.15); color: var(--on); }
.badge-off { background: var(--accent-soft); color: var(--muted); }

/* —— 価格ページ —— */
.pricing-lead {
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--text);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.pricing-grid-team {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.pricing-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  background: var(--bg);
  position: relative;
}

.pricing-card-featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.pricing-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 8px;
}

.pricing-card h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.pricing-desc {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.pricing-price {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
}

.pricing-price-strike {
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: line-through;
  margin-bottom: 4px;
}

.pricing-price-active {
  color: var(--on);
}

.pricing-period {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-left: 4px;
}

.pricing-launch {
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--on);
}

.pricing-launch-note {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 4px;
}

.pricing-seats {
  margin: 10px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.pricing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.pricing-actions .btn-secondary {
  margin-left: 0;
}

.pricing-compare {
  margin-top: 8px;
}

.pricing-steps {
  margin: 8px 0 0;
  padding-left: 1.25rem;
}

.pricing-steps li {
  margin-bottom: 8px;
}

.pricing-notes {
  margin: 8px 0 0;
  padding-left: 1.25rem;
  color: var(--muted);
}

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