The purpose of the present invention is to provide a novel compound having antagonist activity against retinoid-related orphan receptor ?, and exhibiting a therapeutic effect or a preventive effect for an autoimmune disease such as multiple sclerosis or psoriasis, or an allergic disease such as contact dermatitis, atopic dermatitis, or other allergic dermatitis. The present invention provides a cyclic amine derivative represented by the formula, or a pharmacologically acceptable salt thereof.