The invention provides a (meth)acryloyl compound represented by the following formula (A): (in formula (A), X represents a 2m-valent group having 1 to 60 carbon atoms or a single bond; Z independently represents an oxygen atom, a sulfur atom or does not crosslink; R1 independently represents a linear, branched or cyclic alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms which may be substituted, an alkenyl group having 2 to 30 carbon atoms which may be substituted, an alkoxy group having 1 to 30 carbon atoms which may be substituted, a halogen atom, a nitro group, an amino group, a carboxylic acid group, a thiol group, a hydroxyl group, or a group derived by substituting a hydrogen atom of a hydroxyl group with an vinylbenzyl group, wherein said alkyl, aryl, alkenyl and alkoxy groups may contain an ether bond, a keto bond or an ester bond; R1A independently represents a methyl group or a hydrogen atom; k independently represents an integer of 0 to 2, provided that k is not all 0; m represents an integer of 1 to 3; n independently represents an integer of 0 to 5; and p independently represents 0 or 1).