@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP&display=swap');

body {
    font-family: "Noto Sans JP", sans-serif;
    text-align: center;
    background-color: black;
    color: white;
}
.main {
    height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
h1 {
    font-size: 3rem;
}
a {
    background-color: gray;
    display: block;
    padding: 10px;
    width: 8rem;
    border-radius: 5px;
    margin: 30px auto;
}
a:hover {
    background-color: darkgrey;
}
small {
    font-size: 0.75rem;
}
aside {
    height: 20vh;
    display: flex;
    align-items: center;
    justify-content: center;
}