.service-cta {
  display: inline-block;
  margin-top: 12px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: #3b5cff;          /* 見出しの青と統一 */
  border: 1px solid #3b5cff;
  border-radius: 6px;
  text-decoration: none;
}

.service-cta:hover {
  background: #3b5cff;
  color: #fff;
}