header#Visual{ background:url("../images/visual.jpg") no-repeat center; background-size: cover; height: 628px; position: relative;}
header#Visual > img{ position: absolute; top: 50px; left: 100px;width: 700px; }

@media(max-width:1440px){
    article{ width:100%; overflow-x: hidden;}
}
@media(max-width:1024px){
    header#Visual{ height: 450px;}
    header#Visual > img{ top: 50px; left: 80px; width:65%;}
}
@media(max-width:800px){
    header#Visual{ height: 350px;}
    header#Visual > img{ top: 50px; left: 60px;}
}
@media(max-width:640px){
    header#Visual{ height: 280px;}
    header#Visual > img{ top: 165px; left: 40px;}
    header#Visual{ background:url("../images/visual.jpg") no-repeat center; background-size: cover; height: 628px; position: relative;background-position: -150px center;}
}
@media(max-width:480px){
    header#Visual{ height: 250px;}
    header#Visual > img{ top: 25px; left: 0; width:65%;}
    
}