/*** /corporate/alsok_guardsystem/ ***/
.corporate_visual_main{
    background-image: url(/corporate/robot/reborg-x/img_new/mv.jpg);
}

@media only screen and (max-width: 767.98px){
    .corporate_visual_main{
        background-image: url(/corporate/robot/reborg-x/img_new/mv_sp.jpg);
    }
}