#bg_screen{
    width: auto;
    height: 100vh;
}

#container{
    padding: 0;
}

.list_title{
    font-family: Helvetica, sans-serif;
    font-size: 3vw;
    text-align: center;
    /* margin-left: 2vw; */
    margin-bottom: 1em;
}

.list_title a{
    text-decoration: none;
    color: inherit;
}
.track_list {
    font-family: Helvetica, sans-serif;
    font-weight: bold;
    padding: 0px;
    display: flex;
    flex-wrap: wrap;
    max-height: 80vh;
    flex-direction: column;
    margin: 1vh 8vw;
    font-size: 1.7vw;
    line-height: 1;
}
.track_item{
    display: flex;
    /* width: 30%; */
    height: 1.5em;
    flex-direction: row;
    align-items: center;
}

@media screen and (max-width: 160vh){
    #bg_screen{
        width: 160vh;
        overflow: hidden;
    }
    #container{
        display: block;
        padding-bottom: 2rem;
    }
    .list_title{
        margin-top: 2em;
        font-size: 6vw;
    }
    .track_list{
        flex-wrap:nowrap;
        font-size: 3.6vw;
        margin: 1vh .3vw;
    }
    .track_item{
        height: 1.8em;
        margin-top: 10px;
        margin-bottom: 10px;
    }
    .title_container{
        max-width: none;
    }
}


.track_item a{
    color: inherit;
    text-decoration: none;
}

.id_container{
    display: inline-block;
    min-width: 2em;
    text-align: right;
    margin-right: .2em ;
    /* align-self: stretch; */
    /* flex-shrink: 1; */
}

.title_container{
    display: inline-block;
    font-size: 100%;
    font-family: '凸版文久見出しゴシック', Helvetica, sans-serif;
    kerning: auto;
    padding: 0;
    margin: 0;
    max-width: 25em;
}

.title_container a, .list_title a{
    position: relative;
    overflow:  hidden;
    content: "";
    border-bottom: solid 1px rgba(0,0,0,0);
}

.title_container a:hover, .list_title a:hover{
    border-bottom: solid 1px rgba(0,0,0,1);
    transition: all .5s ease-out;
}

.sub_container{
    display: inline-block;
    font-size: 50%;
    height: 1em;
    margin-left: .3em ;
    font-kerning: auto;
}