.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    overflow: hidden;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 1.5rem;
    line-height: 1.6;
    color: var(--dark-color);
}

.modal-body h1,
.modal-body h2,
.modal-body h3,
.modal-body h4,
.modal-body h5,
.modal-body h6 {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.modal-body h1:first-child,
.modal-body h2:first-child,
.modal-body h3:first-child,
.modal-body h4:first-child,
.modal-body h5:first-child,
.modal-body h6:first-child {
    margin-top: 0;
}

.modal-body p {
    margin-bottom: 1rem;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

.modal-body ul,
.modal-body ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
}

.modal-body strong {
    font-weight: 600;
    color: var(--dark-color);
}

.modal-body em {
    font-style: italic;
    color: var(--secondary-color);
}

.modal-body code {
    background-color: var(--light-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--primary-color);
}

.modal-body blockquote {
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--light-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
}

.modal-body .highlight {
    background-color: rgba(23, 162, 184, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    color: var(--primary-color);
    font-weight: 500;
}

.modal-body .text-center {
    text-align: center;
}

.modal-body .text-muted {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    background-color: var(--light-color);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 1;
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.3);
    z-index: 10;
    animation: badgeAppear 0.3s ease-out;
}

@keyframes badgeAppear {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.push-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    max-width: 350px;
    transform: translateX(400px);
    transition: var(--transition);
    z-index: 1002;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border-left: 4px solid var(--primary-color);
}

.push-notification.show {
    transform: translateX(0);
}

.push-notification-content {
    flex: 1;
}

.push-notification-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--dark-color);
}

.push-notification-body {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.push-notification-close {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition);
}

.push-notification-close:hover {
    color: var(--danger-color);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal.closing {
    animation: modalFadeOut 0.25s ease forwards;
}

.modal.closing .modal-content {
    animation: modalSlideOut 0.25s ease forwards;
}

@keyframes modalFadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes modalSlideOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-15px) scale(0.95);
    }
}

/* ========================================
   確認ダイアログ
   ======================================== */

.confirm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s ease;
}

.confirm-overlay.show {
    background: rgba(0, 0, 0, 0.45);
}

.confirm-overlay.closing {
    background: rgba(0, 0, 0, 0);
}

.confirm-dialog {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem 1.5rem 1.5rem;
    width: 90%;
    max-width: 340px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transform: scale(0.9) translateY(-20px);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.confirm-overlay.show .confirm-dialog {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.confirm-overlay.closing .confirm-dialog {
    transform: scale(0.9) translateY(-20px);
    opacity: 0;
}

.confirm-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.confirm-icon i {
    font-size: 1.4rem;
}

.confirm-icon.danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

.confirm-icon.warning {
    background: rgba(255, 193, 7, 0.15);
    color: var(--warning-hover);
}

.confirm-icon.info {
    background: rgba(23, 162, 184, 0.1);
    color: var(--primary-color);
}

.confirm-icon.success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
}

.confirm-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-color);
    margin: 0 0 0.5rem;
}

.confirm-message {
    font-size: 0.9rem;
    color: var(--secondary-color);
    line-height: 1.6;
    margin: 0 0 1.5rem;
}

.confirm-actions {
    display: flex;
    gap: 0.75rem;
}

.confirm-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.15s;
    font-family: var(--font-family);
}

.confirm-btn:active {
    transform: scale(0.97);
}

.confirm-btn.cancel {
    background: var(--light-color);
    color: var(--secondary-color);
}

.confirm-btn.cancel:hover {
    background: var(--border-color);
}

.confirm-btn.danger {
    background: var(--danger-color);
    color: var(--white);
}

.confirm-btn.danger:hover {
    opacity: 0.9;
}

.confirm-btn.warning {
    background: var(--warning-color);
    color: var(--dark-color);
}

.confirm-btn.warning:hover {
    opacity: 0.9;
}

.confirm-btn.info {
    background: var(--primary-color);
    color: var(--white);
}

.confirm-btn.info:hover {
    opacity: 0.9;
}

.confirm-btn.success {
    background: var(--success-color);
    color: var(--white);
}

.confirm-btn.success:hover {
    opacity: 0.9;
}