@media(min-width:600px){body{
background-color:#000000;
margin:20px 0 120px 0;padding:0;
background-image:url(https://emerald.boy.jp/wp-content/uploads/2018/11/1.jpg);
background-size:cover;
background-position:center center;
background-attachment:fixed;
background-repeat:no-repeat;
text-align:center;}
}

@media (max-width: 599px) {
body{background-image:url(https://emerald.boy.jp/wp-content/uploads/2018/11/1_sp.png);
background-size:100vw auto;
background-position:center top;
background-repeat:no-repeat;
text-align:left;
margin:50vw 0;
background-color:#ffffff;}
}