.toggle_contents {
  border: 2px solid #d9d9d9;
}
.toggle_title {
  position: relative;
  padding: 15px;
  cursor: pointer;
  font-size: 26px;
  text-align: center;
  line-height: 1.4;
}
.toggle_btn {
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  background: #0052a4;
  display: block;
  width: 24px;
  height: 24px;
  text-indent: 100%;
  white-space: nowrap;
  overflow: hidden;
  border-radius: 50%;
}
.toggle_btn:before, .toggle_btn:after {
  display: block;
  content: '';
  background-color: #fff;
  position: absolute;
  width: 10px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.toggle_btn:before {
  width: 2px;
  height: 10px;
}
.toggle_title.selected .toggle_btn:before {
  content: normal;
}
.toggle_contents dd {
  display: none;
}