@media screen and (min-width: 960px){
.pc-only{
    display: block;!important
}
.sp-only{
    display: none;!important
}
}

@media screen and (max-width: 960px){
    .pc-only{
        display: none;!important
    }
    .sp-only{
        display: block;!important
    } 
}