.seo2h-article {
  --seo2h-text: #24313a;
  --seo2h-muted: #53636e;
  --seo2h-surface: #ffffff;
  --seo2h-soft: #f4f6f7;
  --seo2h-border: rgba(36, 49, 58, 0.16);
  color: var(--seo2h-text);
  background: var(--seo2h-surface);
}
.seo2h-container {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}
.seo2h-hero {
  padding: clamp(64px, 9vw, 108px) 0;
  background: linear-gradient(180deg, var(--seo2h-soft), var(--seo2h-surface));
}
.seo2h-eyebrow {
  margin: 0 0 14px;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.seo2h-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.8rem);
  line-height: 1.08;
}
.seo2h-lead {
  max-width: 820px;
  margin: 24px 0 0;
  color: var(--seo2h-muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.75;
}
.seo2h-section {
  padding: clamp(48px, 7vw, 80px) 0;
}
.seo2h-section--soft {
  background: var(--seo2h-soft);
}
.seo2h-section h2 {
  margin: 0 0 20px;
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.2;
}
.seo2h-section p,
.seo2h-section li {
  color: var(--seo2h-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}
.seo2h-summary {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--seo2h-border);
  border-radius: 16px;
  background: var(--seo2h-surface);
}
.seo2h-summary p {
  margin: 0;
}
.seo2h-checklist {
  display: grid;
  gap: 12px;
  padding-left: 22px;
}
.seo2h-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.seo2h-links a {
  display: block;
  border: 1px solid var(--seo2h-border);
  border-radius: 14px;
  padding: 20px;
  color: var(--seo2h-text);
  text-decoration: none;
  background: var(--seo2h-surface);
}
.seo2h-faq {
  display: grid;
  gap: 12px;
}
.seo2h-faq details {
  border: 1px solid var(--seo2h-border);
  border-radius: 14px;
  padding: 18px 20px;
  background: var(--seo2h-surface);
}
.seo2h-faq summary {
  cursor: pointer;
  font-weight: 800;
}
.seo2h-note {
  margin-top: 24px;
  border-left: 4px solid var(--seo2h-text);
  padding: 16px 18px;
  background: var(--seo2h-soft);
}
.seo2h-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 24px;
  border-radius: 999px;
  padding: 12px 22px;
  background: var(--seo2h-text);
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
}
@media (max-width: 720px) {
  .seo2h-links {
    grid-template-columns: 1fr;
  }
}