.demo-link-wrapper {
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    
}

.material-button {
    background-color: #1976d2;
    /* Material UIのデフォルトのブルー */
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    /* 丸みを帯びた角 */
    cursor: pointer;
    outline: none;
    font-size: 16px;
    transition: background-color 0.3s, box-shadow 0.3s;
    color:hsla(0, 0%, 0%, .4);
    text-align: center;
    font-weight: bold;
    background-color: hsl(200, 100%, 85%);
    /* ホバー時のエフェクト */
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2);
}

.material-button:hover {
    color: white;
    background-color: hsl(200, 100%, 75%);
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.4);
}

.material-button:active {
    color: white;
    background-color: hsl(200, 100%, 50%);
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.6);
}


.demo-link {
    max-width: 80vw;
    max-height: 80vh;
    width: 400px;
    height: 200px;
    font-size: min(5vw, 32px);
}