@keyframes button-on {
    0% {color: var(--main-bg-color);}
    100% {color: var(--black-color);}
}
@keyframes pop-on {
    0% {opacity: 0;}
    100% {opacity: 1;}
}
#main {
    margin: 70px 0px 50px 0px;
    text-align: center;
}
button {
    font-family: '游明朝','Yu Mincho','YuMincho','Hiragino Mincho Pro',serif;
    width: 100px;
    height: 100px;
    margin: 0px;
    padding: 0px;
    line-height: 0px;
    color: var(--main-bg-color);
    font-size: 80px;
    text-align: center;
    border: 1px solid var(--black-color);
    background-color: var(--main-bg-color);
    user-select: none;
}
.button-display {
    animation: .2s button-on;
    animation-fill-mode: forwards;
}
#reset {
    margin-top: 40px;
    width: 200px;
    height: auto;
    color: var(--black-color);
    font-size: 30px;
    line-height: 20px;
    background-color: var(--main-light-color);
    border: 0px;
    border-radius: 10px;
    padding: 25px 0px;
}
#pop {
    display: none;
    position: fixed;
    margin: 0px;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 1001;
}
.pop-display {
    animation: .5s pop-on;
}
#poptext {
    width: 400px;
    height: 400px;
    background-color: var(--white-color);
    margin: 0px;
    text-align: center;
    border-radius: 30px;
}
p {
    font-size: 50px;
    color: var(--main-dark-color);
    margin: 20px 0px 0px 0px;
    line-height: 50px;
}
#winner {
    font-size: 150px;
    margin: 90px 0px 0px 0px;
    line-height: 150px;
}
@media screen and (max-width:480px) {
    button {
        width: 30vw;
        height: 30vw;
        padding: calc(6vw + 1px) 0px;
        font-size: 24vw;
    }
    #main {
        margin: 40px 0px;
    }
    #reset {
        margin: 40px 10px 10px 10px;
        max-width: 200px;
    }
    #poptext {
        width: 50vw;
        height: 50vw;
        border-radius: 4vw;
    }
    p {
        font-size: 7vw;
        margin: 2vw 0px 0px 0px;
        line-height: 7vw;
    }
    #winner {
        font-size: 21vw;
        margin: 10vw 0px 0px 0px;
        line-height: 21vw;
    }
}