/* モーダルスタイル */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 0;
    border: none;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

.close {
    color: #aaa;
    font-size: 26px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover,
.close:focus {
    color: #000;
}

.modal-content-body {
    padding: 30px;
    max-height: 60vh;
    overflow-y: auto;
    font-size: 14px;
}

.confirm-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.confirm-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.confirm-item strong {
    display: inline-block;
    min-width: 180px;
    color: #333;
    margin-right: 10px;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-cancel,
.btn-submit {
    padding: 10px 30px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-cancel {
    background-color: #f0f0f0;
    color: #333;
}

.btn-cancel:hover {
    background-color: #e0e0e0;
}

.btn-submit {
    background-color: #007bff;
    color: #fff;
}

.btn-submit:hover {
    background-color: #0056b3;
}

/* ローディングオーバーレイ */
.loading-overlay {
    display: none;
    position: fixed;
    z-index: 10001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

.loading-spinner p {
    margin: 0;
    font-size: 14px;
}

/* エラーメッセージ */
.error {
    border-color: #dc3545 !important;
}

.error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: 5px;
}

/* レスポンシブ対応 */
@media screen and (max-width: 767px) {
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }

    .modal-header {
        padding: 15px 20px;
    }

    .modal-header h3 {
        font-size: 16px;
    }

    .modal-content-body {
        padding: 20px;
    }

    .confirm-item strong {
        display: block;
        min-width: auto;
        margin-bottom: 5px;
    }

    .modal-footer {
        padding: 15px 20px;
        flex-direction: column;
    }

    .btn-cancel,
    .btn-submit {
        width: 100%;
    }
}