The present invention provides a chemically amplified resist composition comprising: (A) a salt represented by the formula (1) wherein R21, Q1, Q2, and A+ defined in the specification; (B) a salt represented by the formula (II): wherein R22, Q3, Q4, and A′+ are defined in the specification; and (C) a resin which contains a structural unit having a structural unit having an acid-labile group and which itself is insoluble or poorly soluble in an aqueous alkali solution but becomes soluble in an aqueous alkali solution by the action of an acid.