.mobile-regions summary {
  background: none;
  border: 0;
  color: var(--ink);
  cursor: pointer;
  display: block;
  font: clamp(28px, 6vw, 45px) var(--serif);
  list-style: none;
  padding: 11px 0;
  text-align: left;
}

.mobile-regions summary::-webkit-details-marker { display: none; }

.mobile-regions button {
  background: none;
  border: 0;
  color: #6f655b;
  cursor: pointer;
  display: block;
  font: 15px var(--sans);
  padding: 7px 0;
}