main {
  max-width: 820px;
}

.hero {
  text-align: center;
  padding: 2rem 0 3rem;
  border-bottom: 1px solid #eee;
  margin-bottom: 2.5rem;
}

.hero h1 {
  margin-bottom: 0.5rem;
}

.hero-sub {
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  color: #333;
  margin-bottom: 0.75rem;
}

.hero-sub strong {
  background: linear-gradient(180deg, transparent 60%, #ffe66d 60%);
  padding: 0 0.1rem;
}

.hero-lede {
  color: #555;
  max-width: 36rem;
  margin: 0 auto 1.5rem;
}

.hero-meta {
  font-size: 0.85rem;
  color: #888;
  margin-top: 0.75rem;
}

section {
  margin-bottom: 3rem;
}

h2 {
  font-size: clamp(1.35rem, 3.5vw, 1.75rem);
  line-height: 1.3;
  margin: 0 0 1rem;
}

.about p {
  color: #2a2a2a;
}

.about strong {
  color: #111;
}

.how-steps {
  padding-left: 1.25rem;
  color: #2a2a2a;
}

.how-steps li {
  margin-bottom: 0.75rem;
  padding-left: 0.25rem;
}

.how-steps strong {
  color: #111;
}

.compare-table-wrap {
  overflow-x: auto;
  margin: 0 -1.25rem;
  padding: 0 1.25rem;
}

.compare-table {
  width: 100%;
  min-width: 28rem;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid #eee;
  text-align: left;
  vertical-align: top;
}

.compare-table thead th {
  background: #f4f4f4;
  font-weight: 600;
  border-bottom: 2px solid #ddd;
}

.compare-table tbody td:first-child {
  font-weight: 600;
  color: #555;
  white-space: nowrap;
}

.compare-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #666;
}

.types-lede {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.type-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
}

.type-card {
  display: block;
  padding: 1rem;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.1s ease;
}

.type-card:hover {
  border-color: #111;
  transform: translateY(-2px);
}

.type-card-code {
  font-family: -apple-system, "SF Mono", Menlo, monospace;
  font-weight: 700;
  font-size: 0.95rem;
  color: #111;
  letter-spacing: 0.04em;
}

.type-card-name {
  font-weight: 600;
  color: #111;
  margin-top: 0.25rem;
}

.type-card-tagline {
  font-size: 0.8rem;
  color: #666;
  margin-top: 0.35rem;
  line-height: 1.4;
}

.faq-item {
  border-bottom: 1px solid #eee;
  padding: 0.85rem 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: #111;
  padding-right: 1.5rem;
  position: relative;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.25rem;
  font-weight: 400;
  color: #888;
  transition: transform 0.15s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  margin: 0.75rem 0 0;
  color: #444;
  font-size: 0.95rem;
}

.faq-item code {
  background: #f4f4f4;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.85em;
}

.disclaimer {
  margin-top: 3rem;
  padding: 1rem;
  background: #f8f8f8;
  border-radius: 8px;
  font-size: 0.85rem;
  color: #666;
  text-align: center;
}