.header-link[data-detail-back] {
  display: inline-flex;
  width: 46px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0;
  border: 1.5px solid rgba(204, 46, 46, .45);
  border-radius: 999px;
  background: #fff;
  color: #b62626;
  box-shadow: 0 5px 16px rgba(63, 39, 30, .1);
  font-family: Arial, sans-serif;
  font-size: 1.8rem;
  font-weight: 300;
  line-height: 1;
  text-decoration: none;
  transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.header-link[data-detail-back]:hover {
  border-color: #cc2e2e;
  background: #cc2e2e;
  color: #fff;
  box-shadow: 0 8px 20px rgba(204, 46, 46, .22);
  transform: translateY(-1px);
}

.header-link[data-detail-back]:active {
  transform: scale(.96);
}

.header-link[data-detail-back]:focus-visible {
  outline: 3px solid rgba(204, 46, 46, .28);
  outline-offset: 3px;
}

@media (max-width: 720px) {
  .site-header {
    position: sticky;
  }

  .header-link[data-detail-back] {
    width: 44px;
    min-width: 44px;
    font-size: 1.7rem;
  }
}