/* ===================================
   フォームメッセージアニメーション
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-message {
    animation: fadeIn 0.3s ease;
    transition: opacity 0.3s ease;
}