:root {
  --hyperiso-accent: #238b57;
  --hyperiso-accent-soft: rgba(35, 139, 87, 0.10);
  --hyperiso-border: rgba(74, 92, 111, 0.24);
}

.hyperiso-hero {
  margin: 0.8rem 0 1.4rem;
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--hyperiso-border);
  border-left: 5px solid var(--hyperiso-accent);
  border-radius: 10px;
  background: linear-gradient(135deg, var(--hyperiso-accent-soft), transparent 65%);
}

.hyperiso-hero h2 {
  margin: 0.25rem 0 0.7rem;
  font-size: 1.55rem;
}

.hyperiso-kicker {
  color: var(--hyperiso-accent);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hyperiso-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
  margin: 1rem 0 1.6rem;
}

.hyperiso-card {
  padding: 0.95rem 1rem;
  border: 1px solid var(--hyperiso-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
}

.hyperiso-card b {
  display: inline-block;
  margin-bottom: 0.25rem;
}

.hyperiso-note {
  margin: 1.1rem 0;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--hyperiso-accent);
  background: var(--hyperiso-accent-soft);
}

.contents table.markdownTable {
  width: 100%;
}

.contents img {
  max-width: 100%;
  height: auto;
}