.page_container {
    text-align: center;
}

.button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #2FA991;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.button:hover {
    background-color: #5AC4B0;
}

.button+.button {
    margin-left: 10px;
}

.button.disabled {
    background-color: #ccc;
    cursor: not-allowed;
    /*pointer-events: none;*/
}

/* カーソルのスタイルを矢印に指定 */
.button.disabled {
    cursor: default;
}