.block-otsuka-corp-contrast-block .switch {
  position: relative;
  display: inline-block;
  width: 27px;
  height: 13px;
}

.block-otsuka-corp-contrast-block .switch input {
  display: none;
}

.block-otsuka-corp-contrast-block .slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: transparent;
  -webkit-transition: .4s;
  transition: .4s;
  border-radius: 34px;
  border: 1px solid #fff;
}

.block-otsuka-corp-contrast-block .slider:before {
  position: absolute;
  content: "";
  height: 9px;
  width: 9px;
  left: 1px;
  bottom: 1px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
  border-radius: 50%;
}

.block-otsuka-corp-contrast-block input:focus + .slider {
  box-shadow: 0 0 1px #2196f3;
}

.block-otsuka-corp-contrast-block input:checked + .slider:before {
  -webkit-transform: translateX(14px);
  -ms-transform: translateX(14px);
  transform: translateX(14px);
}

.block-otsuka-corp-contrast-block .switch #contrast-label-text {
  display: none;
}