/* 字体 */
@font-face{
    font-family: "HanZiRootFont";
    font-style: normal;
    font-weight: 400;
    src: url("../font/HanZiRootFont.woff2") format("woff2"), url("../font/HanZiRootFont.ttf") format("ttf");
}

html, body{
    margin: 0;
    height: 100%;
    text-align: center;
}
header{
    margin-bottom: 50px;
}
footer{
    width: 100%;
    text-align: center;
    position: absolute;
    bottom: 0px;
}
input{
    text-align: center;
}
h1{
    margin: 0px;
}

.zigen{
    font-family: HanZiRootFont;
}
#setting, #ground, #help {
    display: none;
}
#display {
    margin: 30px;
    font-size: 100px;
}