/* switch-link */
.switch-link {
  display: inline-block;
  padding: 5px 10px;
  background-color: #000099; /* 緑色 */
  color: white;
  text-decoration: none;
  border-radius: 6px; /* 角丸 */
  font-weight: bold;
  box-shadow: 0 1px #2e7d32; /* 立体感 */
  transition: all 0.1s ease-in-out;
}

.switch-link :active {
  box-shadow: 0 2px #2e7d32;
  transform: translateY(2px); /* 押し込まれた感 */
}