.product-inquiry {
  margin: 4px 0 22px;
  padding: 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.product-inquiry summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  cursor: pointer;
  color: var(--navy);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  list-style: none;
}

.product-inquiry summary::-webkit-details-marker { display: none; }
.product-inquiry summary span { font-size: 19px; font-weight: 300; transition: transform .2s ease; }
.product-inquiry[open] summary span { transform: rotate(45deg); }
.product-inquiry-content { padding: 0 0 17px; }
.product-inquiry p { margin: 0 0 14px; font-size: 11px; line-height: 1.55; }
.product-inquiry-actions { grid-template-columns: 1fr 1fr; }

@media (max-width: 640px) {
  .product-inquiry summary { min-height: 50px; font-size: 12px; }
  .product-inquiry p { font-size: 11px; }
}