.clover-none{display:none!important;}

/*SP用*/
@media screen and (max-width:640px) {

.youtube_640 iframe{
    width:95%;
    height:250px;
}

}


/* child */

#section3 h2,#nayami h2{
    text-align: center;
}

/*PC用*/
@media print, screen and (min-width: 641px){

    #section3 h2 img{
        width:450px;
    }

    #nayami h2 img{
        width:600px;
    }
}

/*SP用*/
@media screen and (max-width:640px) {

    #section3 h2 img{
        width:90%;
    }

    #nayami h2 img{
        width:98%;
    }
}