A cyclic amine compound represented by the following formula (1). It has potent adhesion inhibitory activity against an α2C receptor and is useful for the prevention or treatment of disorders attributable to the α2C receptor, e.g., diseases such as depression and anxiety. (Formula 1) (In the formula, X represents O, S, SO, SO2, NR2, etc.; R1 represents hydrogen, cyano, etc.; Ar1 and Ar2 each represents aryl, heteroaryl, etc.; ring B represents a benzene ring, etc.; n is an integer of 1 to 10; and p and q each is 1 or 2.)