body {
    font-family: "Noto Sans JP", sans-serif;
    background: #202124;
    color: white;
    text-align: center;
    margin: 0;
    padding: 20px;
}


h1 {
    font-size: 36px;
}


p {
    color: #cccccc;
}


textarea {
    width: 80%;
    height: 400px;

    background: #111;
    color: #00ff99;

    border: 2px solid #555;
    border-radius: 10px;

    padding: 15px;

    font-size: 18px;
    font-family: monospace;

    resize: vertical;
}


button {

    background: #00aaff;
    color: white;

    border: none;
    border-radius: 8px;

    padding: 12px 30px;

    font-size: 18px;

    cursor: pointer;

}


button:hover {

    background: #0088cc;

}