#api_add {
  width: initial!important;
  max-width: initial!important;
  text-align: inherit!important;
  margin: initial!important;
  padding: initial!important;
}
.ec-productRole__btn {
  text-align: inherit!important;
}
.ec-blockBtn--action.add-cart {
  background: url(https://usr00373.ifn-server.jp/user_data/packages/default/img/button/btn_cartin_on.jpg) no-repeat center center;
  border: none;
  height: 30px;
  margin-top: calc(1.6em - 10px);
  text-indent: -9999999px;
  width: 160px;
}
.ec-numberInput input[type=number] {
  max-width: 50px;
}