.device-mobile .mod-key-head {
  background: url("/recruit/hr-message/assets/img/sp/bg-keyhead.jpg") no-repeat 50% 50%;
  background-size: cover; }
  .device-mobile .mod-key-head .title img {
    width: 165px; }
.device-desktop .mod-key-head {
  background: url("/recruit/hr-message/assets/img/pc/bg-keyhead.jpg") no-repeat 50% 50%;
  background-size: cover; }
  .device-desktop .mod-key-head .title img {
    width: 244px; }