.button-container {
    padding: 20px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
    width: 100%;
}

.button {
    background-color: #ff0035;
    color: white;
    border-radius: 25px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 0, 53, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 200px;
    height: 60px;
    margin: 0 auto;
    padding: 0;
}

/* スマホ対応 */
@media (max-width: 768px) {
    .button {
        width: 180px;
        height: 50px;
        font-size: 1.1rem;
    }
}