.legal-cert-frame {
  display: inline-block;
  padding: 12px;
  background: linear-gradient(to bottom right, #f9f8f6, #f1efec);
  border: 2px solid #bfa76e; /* 上品な金色 */
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15), inset 0 0 8px rgba(191, 167, 110, 0.3);
}
.legal-cert-image {
  width: 250px;
  height: auto;
  display: block;
  border-radius: 6px;
}