html{
    overflow-x: hidden;
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    background-color: black;
    color: white;
    text-decoration: none;
}
a,
a:link,
a:visited{
    color: white;
    text-decoration: underline;
}
.string{
    position: fixed;
    bottom: calc(10px + env(safe-area-inset-bottom));
    right: calc(10px + env(safe-area-inset-right));
    text-decoration: none;
    max-width: min(90vw, 420px);
}

@media (max-width: 768px) {
    .string {
        font-size: 0.5em;
    }
}