.plan-cul-block {
  padding: clamp(1rem, 2vw, 1.5rem) 0;
}
.plan-cul-block__intro p,
.plan-cul-block__section p {
  color: var(--text-color);
  line-height: 1.6;
  margin: 0 0 0.9rem;
}
.plan-cul-block__section {
  margin-top: 1.5rem;
}
.plan-cul-block__section h3 {
  color: var(--heading-color);
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  margin: 0 0 0.6rem;
}