.sub-visual{height: 100vh; background-size: cover; background-position: center; color: #fff;}
.sub-visual::after{content: ""; width: 90%; height: 6rem; background-color: #fff; position: absolute; bottom: 0; right: 0; z-index: 1;}
.sub-visual .inner{max-width: 1400px; height: 100%; display: flex; align-items: center;}

@media all and (max-width:1300px){
    
}
@media all and (max-width:1200px){
    
}
@media all and (max-width:1024px){
}
@media all and (max-width:768px){
    .sub-visual{height: 600px;}
    .sub-visual::after{display: none;}
}