h1 {
    margin: 100px 0px 0px 0px;
    line-height: min(120px,20vw);
    color: var(--white-color);
    font-size: min(100px,20vw);
    background-color: var(--leaf-green-color);
}
.button {
    margin: 30px 12vw 30px 12vw;
    font-size: 6vw;
    font-family: '游明朝','Yu Mincho',YuMincho,'Hiragino Mincho Pro',serif;
    text-align: center;
    width: 12vw;
    height: 12vw;
    background: var(--main-bg-color);
    border: 2px solid var(--black-color);
    border-radius:6vw;
}
.setbutton {
    font-family: '游明朝','Yu Mincho',YuMincho,'Hiragino Mincho Pro',serif;
    color: var(--main-color);
    font-size: 30px;
    margin: 0px;
    border: 1px var(--main-color) solid;
    width: auto;
    height: 50px;
    background: var(--main-bg-color);
    line-height: 50px;
}
#main {
    margin: 50px;
    text-align: center;
}
#set {
    margin: -50px 0px 0px 0px;
    text-align: right;
}
#reset {
    margin: 60px 0px 0px 0px;
    text-align: left;
}
#inputnum {
    font-family: '游明朝','Yu Mincho',YuMincho,'Hiragino Mincho Pro',serif;
    color: var(--main-color);
    font-size: 30px;
    margin: 0px 10px;
    border: 1px var(--main-color) solid;
    width: 120px;
    height: 50px;
    background: var(--main-bg-color);
    outline: none;
    text-align: center;
}
::placeholder {
    color: var(--main-color);
}
@media screen and (max-width:480px) {
    .button {
        font-size: 50px;
        margin: 10px 0px;
        width: 100px;
        height: 100px;
        border-radius:50px;
    }
    h1 {
        margin: 50px 0px;
    }
    #set {
        margin: 20px 0px -20px 0px;
        text-align: center;
    }
    #reset {
        margin: 30px 0px;
        text-align: center;
    }
    .setbutton{
        font-size: 30px;
        height: 50px;
        width: 220px;
        margin: 0px;
    }
    #inputnum {
        margin: 20px 0px;
        font-size: 30px;
        height: 50px;
        width: 220px;
    }
    #mai {
        margin-right: 20px;
    }
}