@charset "utf-8";
header {
    position: relative;
}
.magazine-box {
    padding-top: 0px;
}
.magazine-box nav {
    position: relative;
}
header.is-fixed {
    position: fixed;
    top: 0px;
}
.magazine-box nav.is-fixed {
     position: fixed;
    top: 50px;
}

/*---------------------------------------  smartphone ---------------------------------------*/
@media screen and (max-width : 780px ){
    header {
        position: fixed;
    }
    .magazine-box nav {
        position: fixed;
    }
}