/* 決済処理中のオーバーレイスタイル */
.payment-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(3px);
}

.payment-loading-message {
    background: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 90%;
    animation: fadeInScale 0.3s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.payment-loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.payment-loading-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.payment-loading-subtitle {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.payment-loading-warning {
    font-size: 12px;
    color: #999;
    margin-top: 10px;
    line-height: 1.4;
    text-align: left;
}

.order-button-disabled,
.payment-button-disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed !important;
}