A photo-curable resin composition comprising: a silicone skeleton-containing polymer, and a photo-acid generator that is decomposed by light having a wavelength of 190 to 500 nm to generate an acid, the silicone skeleton-containing polymer comprising a silicone skeleton shown by the following formula and having a weight average molecular weight of 3,000 to 500,000, determined in accordance with the method specified in the description, wherein R 1 to R 4 each independently represent a monovalent hydrocarbon group having 1 to 8 carbon atoms; "m" and "n" are each independently an integer of 0 to 300; the both of "a" and "b" are positive numbers satisfying a+b = 1; each of "X" independently represents a linking group selected from the divalent groups shown by the following general formulae,,,, and, and when the molar numbers of units shown by the following general formulae,,,, and are defined as "c", "d", "e", "f", and "g" respectively, each of "c", "d", "e", and "g" is 0 or a positive number, and "f" is a positive number, with the proviso that c+d+e is a positive number, wherein "V" and "Z" each independently represent a divalent organic group selected from the following "j" and "p" are each independently 0 or 1, R 5 and R 8 each independently represents a hydrogen atom or a methyl group, "h" and "k" are each independently an integer of 0 to 7, R 6, R 7, R 9, and R 10 each independently represent the same or different group selected from alkyl groups and alkoxy groups having 1 to 4 carbon atoms, and "i" and "r" are each independently any of 0, 1, and 2; wherein R 11 represents a hydrogen atom or a methyl group, and "q" is an integer of 0 to 7, wherein "Y" is a divalent organic group shown by either of the following formulae, each of R 12 independently represents the same or different moiety selected from a hydrogen atom, monovalent hydrocarbon groups having 1 to 8 carbon atoms, and monovalent hydrocarbon groups having 1 to 8 carbon atoms partly substituted with a halogen atom, each of R 13 independently represents the same or different alkylene group having 1 to 8 carbon atoms, each of R 17 independently represents the same or different alkylene group having 1 to 8 carbon atoms, and each of R 18 independently represents the same or different moiety selected from a hydrogen atom, monovalent hydrocarbon groups having 1 to 8 carbon atoms, and monovalent hydrocarbon groups having 1 to 8 carbon atoms partly substituted with a halogen atom, wherein "t" and "u" are each independently an integer of 0 to 300, R 14 represents a hydrogen atom or a methyl group, R 15 and R 16 each independently represent a monovalent hydrocarbon group having 1 to 8 carbon atoms, and "s" is an integer of 0 to 7. a silicone skeleton-containing polymer, and a photo-acid generator that is decomposed by light having a wavelength of 190 to 500 nm to generate an acid, the silicone skeleton-containing polymer comprising a silicone skeleton shown by the following formula and having a weight average molecular weight of 3,000 to 500,000, determined in accordance with the method specified in the description, wherein R 1 to R 4 each independently represent a monovalent hydrocarbon group having 1 to 8 carbon atoms; "m" and "n" are each independently an integer of 0 to 300; the both of "a" and "b" are positive numbers satisfying a+b = 1; each of "X" independently represents a linking group selected from the divalent groups shown by the following general formulae,,,, and, and when the molar numbers of units shown by the following general formulae,,,, and are defined as "c", "d", "e", "f", and "g" respectively, each of "c", "d", "e", and "g" is 0 or a positive number, and "f" is a positive number, with the proviso that c+d+e is a positive number, wherein "V" and "Z" each independently represent a divalent organic group selected from the following "j" and "p" are each independently 0 or 1, R 5 and R 8 each independently represents a hydrogen atom or a methyl group, "h" and "k" are each independently an integer of 0 to 7, R 6, R 7, R 9, and R 10 each independently represent the same or different group selected from alkyl groups and alkoxy groups having 1 to 4 carbon atoms, and "i" and "r" are each independently any of 0, 1, and 2; wherein R 11 represents a hydrogen atom or a methyl group, and "q" is an integer of 0 to 7, wherein "Y" is a divalent organic group shown by either of the following formulae, each of R 12 independently represents the same or different moiety selected from a hydrogen atom, monovalent hydrocarbon groups having 1 to 8 carbon atoms, and monovalent hydrocarbon groups having 1 to 8 carbon atoms partly substituted with a halogen atom, each of R 13 independently represents the same or different alkylene group having 1 to 8 carbon atoms, each of R 17 independently represents the same or different alkylene group having 1 to 8 carbon atoms, and each of R 18 independently represents the same or different moiety selected from a hydrogen atom, monovalent hydrocarbon groups having 1 to 8 carbon atoms, and monovalent hydrocarbon groups having 1 to 8 carbon atoms partly substituted with a halogen atom, wherein "t" and "u" are each independently an integer of 0 to 300, R 14 represents a hydrogen atom or a methyl group, R 15 and R 16 each independently represent a monovalent hydrocarbon group having 1 to 8 carbon atoms, and "s" is an integer of 0 to 7.