html{
    font-size: 62.5%;
}
body{
    background-color: #000;
    font-size: 1.4rem;
    font-family: "Noto Sans JP", sans-serif;
    color: #fff;
}
img{
    width: 100%;
    height: auto;
}
.footer{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding-bottom: 15px;
}
.nav{
    margin-top: 50px;
    padding-top: 25px;
    border-top: 1px solid #353535;
}
.footer .nav{
    margin-top: 0;
}
.nav_lists{
    display: flex;
    justify-content: center;
    align-items: center;
}
.nav_list{
    font-size: 1.1rem;
}
.nav_list:nth-child(n+2){
    margin-left: 17px;
}
.copy{
    margin-top: 20px;
    font-size: 0.9rem;
    text-align: center;
}
@media (min-width: 768px){
    .nav_list{
        font-size: 1.2rem;
    }
    .nav_list:nth-child(n+2){
        margin-left: 27px;
    }
}