A photo-curable resin composition, comprising: (A) a silicone polymer compound having an epoxy group-containing repeating unit shown by the following general formula and a phenolic hydroxyl group-containing repeating unit shown by the following general formula , wherein the silicone polymer compound has a weight average molecular weight of 3,000 to 500,000 and satisfies 0.05≤J/(J+K)≤0.95 where J is a mole of epoxy groups in the general formula and K is a mole of phenolic hydroxyl groups in the general formula ; wherein a and b represent a positive number; R 1 , R 2 , R 3 , and R 4 may be the same or different and represent a hydrogen atom or an alkyl or alkoxy group having 1 to 4 carbon atoms; r independently represents 0, 1, or 2; R 5 to R 8 independently represent a hydrogen atom or a monovalent hydrocarbon group having 1 to 10 carbon atoms; R 9 represents a divalent hydrocarbon group having 1 to 10 carbon atoms; n represents 0 or 1; k represents 0, 1, or 2; R 10 and R 11 may be the same or different and represent an alkyl or alkoxy group having 1 to 4 carbon atoms; Z represents a divalent organic group selected from any of ; and X represents a divalent organic group shown by the following formula or the following general formula , wherein R 12 , R 13 , R 14 , and R 15 may be the same or different and represent a monovalent hydrocarbon group having 1 to 10 carbon atoms; and m represents a positive number of 1 to 100; (B) a photosensitive acid generator capable of generating an acid by decomposition with light having a wavelength of 190 to 500 nm; (C) one or two or more compounds selected from an amino condensate modified with formaldehyde or formaldehyde-alcohol, a phenol compound having on average two or more methylol groups or alkoxymethylol groups per molecule, and a polyhydric phenol compound whose phenolic hydroxyl group is substituted with a glycidoxy group; and (D) one or two or more compounds selected from polyhydric phenols having 3 or more hydroxyl. (A) a silicone polymer compound having an epoxy group-containing repeating unit shown by the following general formula and a phenolic hydroxyl group-containing repeating unit shown by the following general formula , wherein the silicone polymer compound has a weight average molecular weight of 3,000 to 500,000 and satisfies 0.05≤J/(J+K)≤0.95 where J is a mole of epoxy groups in the general formula and K is a mole of phenolic hydroxyl groups in the general formula ; wherein a and b represent a positive number; R 1 , R 2 , R 3 , and R 4 may be the same or different and represent a hydrogen atom or an alkyl or alkoxy group having 1 to 4 carbon atoms; r independently represents 0, 1, or 2; R 5 to R 8 independently represent a hydrogen atom or a monovalent hydrocarbon group having 1 to 10 carbon atoms; R 9 represents a divalent hydrocarbon group having 1 to 10 carbon atoms; n represents 0 or 1; k represents 0, 1, or 2; R 10 and R 11 may be the same or different and represent an alkyl or alkoxy group having 1 to 4 carbon atoms; Z represents a divalent organic group selected from any of ; and X represents a divalent organic group shown by the following formula or the following general formula , wherein R 12 , R 13 , R 14 , and R 15 may be the same or different and represent a monovalent hydrocarbon group having 1 to 10 carbon atoms; and m represents a positive number of 1 to 100; (B) a photosensitive acid generator capable of generating an acid by decomposition with light having a wavelength of 190 to 500 nm; (C) one or two or more compounds selected from an amino condensate modified with formaldehyde or formaldehyde-alcohol, a phenol compound having on average two or more methylol groups or alkoxymethylol groups per molecule, and a polyhydric phenol compound whose phenolic hydroxyl group is substituted with a glycidoxy group; and (D) one or two or more compounds selected from polyhydric phenols having 3 or more hydroxyl. <EOS>