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.； R1 is a substitutable aminosulfonyl group, etc.； R2 is a hydrogen atom, etc.； R3 is a hydrogen atom, etc.； R4 is a hydrogen atom, a halogen atom, hydroxy group, a substitutable amino group, a substitutable C1-6 alkoxy group, a substitutable 4- to 7-membered cyclic amino group, etc.； R5a, R5b and R5c are each independently hydrogen atoms, etc.； R6 is a halogen atom, a cyano group, etc.； R7 and R8 are each independently a hydrogen atom, etc.； and m is an integer such as 0.)
