.card {
    border-radius: 15px;
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
}

/* フォームフィールドのBootstrapスタイル適用 */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group input[type="file"],
.form-group textarea {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 8px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-group select {
    display: block;
    width: 100%;
    padding: 0.75rem 2.25rem 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px 12px;
    border: 1px solid #ced4da;
    border-radius: 8px;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.15);
    outline: 0;
}

.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: #dc3545;
}

.breadcrumb {
    border-radius: 10px;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
    color: #6c757d;
}

.btn-lg {
    padding: 0.75rem 2rem;
    border-radius: 8px;
}

.alert {
    border-radius: 10px;
    border: none;
}

.disabled-field {
    background-color: #f8f9fa !important;
    opacity: 0.6;
    cursor: not-allowed;
}

.input-wrapper {
    position: relative;
}

.form-label {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.invalid-feedback {
    color: #dc3545;
    font-size: 0.875rem;
}

.form-text {
    font-size: 0.875rem;
}