| abstract |
The present invention is a composition comprising: a pyrromethene compound in which a compound represented by the following general formula (I) is coordinated to a metal atom or a metal compound, a cationically polymerizable component, and an acid generator. (In the formula, R 101 to R 103 and R 105 to R 107 each independently represent a linear or branched alkyl group that may have a substituent, and R 104 represents a hydrogen atom, or a linear or branched alkyl that may have a substituent. Alkyl group or aryl group that may have substituents) |