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X represents a single bond, a -COO- group, an -O› group, or a-CON(R$_{16}$)-group. R$_{16 }$represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms ( e.g., a methyl group, an ethyl group, a propyl group, etc.). X pref› erably represents a single bond, a --COO- group, or a -CON(R$_{16}$)- group, and especially preferably a single bond or a --COO- group. 

The cyclic structure represented by Y is a polycyclic aro› matic hydrocarbon ring structure oftricyclic or more, prefer- ably an anthracene structure, a phenanthrene structure, a tet› racene structure, a benzo [ c ]phenanthrene structure, a chrysene structure, a benzo[a]anthracene structure, a pyrene structure, or a perylene structure. 

Each of R$_{11 }$ to R$_{15 }$ independently represents a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an aryl group, an alkenyl group, an aralkyl group, an alkoxy group, or an alkylcarbonyloxy group. As the specific examples of these groups, the same groups as R in formula (1) are exemplified. 

Each of R$_{101 }$to R$_{106 }$independently represents a hydroxyl group, a halogen atom (e.g., Cl, Br, F, I), an alkyl group, a cycloalkyl group, an alkoxy group, an alkylcarbonyloxy group, an alkylsulfonyloxy group, an alkenyl group, an aryl group, an aralkyl group, or a carboxyl group. As the specific examples of these groups, the same groups as R in formula (1) are exemplified. 

Each of c to h independently represents an integer of Oto 3. 

The resin (A) may have a lactone group. 

As lactone groups, any group having a lactone structure can be used, but preferably groups having 5- to 7-membered ring lactone structures, and 5- to 7-membered ring lactone struc› tures condensed with other ring structures in the form of forming a bicyclo structure or a spiro structure are preferred. It is more preferred to have a repeating unit having lactone structure represented by any of the following formulae (LCl- 1) to (LC 1-1 7). A lactone structure may be directly bonded to the main chain. Preferred lactone structures are (LC 1-1 ), (LCl-4), (LCl-5), (LCl-6), (LCl-13), (LCl-14) and (LCl- 17). By the use of a specific lactone structure, resolution is bettered. 

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