.protocol-opening {
  padding-bottom: 32px;
}

.protocol-opening h1 {
  margin-block: 18px 24px;
}

.protocol-opening__summary {
  max-width: 34em;
  margin-bottom: 24px;
  font-size: var(--fs-h3);
  line-height: var(--lh-body);
  font-weight: var(--fw-normal);
}

.protocol-opening .toc {
  margin-top: 32px;
  margin-bottom: 0;
}

.protocol-chapters {
  padding-bottom: var(--section-space);
}

.protocol-chapter {
  padding-top: 48px;
  padding-bottom: 48px;
  border-top: 1px solid var(--c-border);
  scroll-margin-top: 24px;
}

.protocol-chapter > h2 {
  margin-top: 14px;
  margin-bottom: 28px;
}

.protocol-chapter > :last-child {
  margin-bottom: 0;
}

.protocol-chapter .table-scroll {
  margin-block: 28px;
}

@media (max-width: 640px) {
  .protocol-opening {
    padding-bottom: 24px;
  }

  .protocol-chapter {
    padding-top: 36px;
    padding-bottom: 36px;
  }
}