body {
    margin: 0;
    overflow: hidden;
    background-color: #ffffff;
    font-family: "Yu Mincho", "MS Mincho", serif;
}

.word {
    position: absolute;
    color: #000000;
    text-decoration: none;
    white-space: nowrap;
    font-size: 1.8rem;
    animation: fall linear forwards;
    user-select: none;
}

.word:hover {
    color: #666;
    font-weight: bold;
}

@keyframes fall {
    0% { transform: translateY(-100px); }
    100% { transform: translateY(110vh); }
}