Disclosed is a novel biaryl amide derivative represented by formula (1) and having an affinity for the aldosterone receptor; also disclosed is a pharmaceutically acceptable salt thereof. (In the formula, A is any of the groups represented by formula (a); L is -CONH-, etc.; R 1 is a substitutable aminosulfonyl group, etc.; R 2 is a hydrogen atom, etc.; R 3 is a hydrogen atom, etc.; R 4 is a hydrogen atom, a halogen atom, hydroxy group, a substitutable amino group, a substitutable C 1-6 alkoxy group, a substitutable 4- to 7-membered cyclic amino group, etc.; R 5a , R 5b and R 5c are each independently hydrogen atoms, etc.; R 6 is a halogen atom, a cyano group, etc.; R 7 and R 8 are each independently a hydrogen atom, etc.; and m is an integer such as 0.)