body{
    background-image: url(../img_detect/background.white.png);
    background-repeat: no-repeat;
    background-size: 100vw;
    color: white;
    font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", sans-serif;
    font-size:13px;
}

.back{
    width:2vw;
    position: absolute;
    top:25vw;
    left:8vw;
    z-index: 1;
}

.box{
    width:90vw;
    position: absolute;
    top:10vw;
    left:5vw;
    z-index: -1;
}

.choice{
    width:70vw;

}

.gym{
    position: absolute;
    top:40vw;
    left:15vw;
}

.bus{
    position: absolute;
    top:64vw;
    left:15vw;
}

.lab{
    position: absolute;
    top:88vw;
    left:15vw;
}

.library{
    position: absolute;
    top:112vw;
    left:15vw;
}

.text2{
    width:90vw;
   text-align: center;
   transform: translate(4vw,18vw);


}

.text3{
    width:90vw;
    text-align: center;
    transform: translate(5vw,20vw);

}


.clickBack{
    display: inline-block;
    width: 14vw;
    height:14vw;


    position: absolute;
    left:5vw;
    top:19vw;

    z-index: 5;
}