@media screen and (max-width:768px){
    .article{
        max-width: none;
        width: 100%;    
    }

}
@media screen and (min-width: 1001px) {
    #sec01{
        background-image:url(../img/fv_sp.webp);
        background-size: cover;
        background-position: center;
        color: #fff;
        height: 700px;
    }
  }