body{
    font-family: serif;
    width: 375px;
    height: 700px;
    margin: 0px;
    background-color: #FCCDC3;
    position:fixed;
}

header{
    width: 375px;
    height: 80px;
    margin: 0px;
    padding: 0px;
    background-image: url(image/kougasitu.png);
    background-size: 100%;
    background-position: bottom;
    position:fixed;
    z-index: 100;
}

#hatati{
    width: 375px;
    height: 700px;
    margin: 0 auto;
    text-align: center;
}

.nankaku{
    z-index: 10;
    position: relative;
    padding-top: 150px;
    text-align: center;
    width: 375px;
    height: 700px;
}

.nankaku img{
     width: 80%;
     height: auto;
}

.yes{
    text-decoration: none;
    font-size: 40px;
    color: #823D39;
    position: absolute;
    top: 37.5%;
    left: 40%
}

.no{
    text-decoration: none;
    font-size: 40px;
    color: #823D39;
    position: absolute;
    top: 50%;
    left: 35%
}