A compound represented by formula (A1-1) or (B1-1): wherein R 1 to R 6 each independently represent a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, a halogen atom, a substituted or unsubstituted fluoroalkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted fluoroalkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms, or a cyano group; when R 1 to R 6 are each plurality in number, groups R 1 to groups R 6 are the same; R 7 and R 8 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted fluoroalkyl group having 1 to 20 carbon atoms, or a cyano group, and R 7 and R 8 may be bonded to each other to form a saturated aliphatic ring; k3 and k4 each independently represent an integer of 0 to 5, m2 and m6 each represent 0, and nl and n5 each represent 0; L 1 and L 2 each independently represent a single bond, a phenylene group or a biphenyldiyl group; L 1 in formula (Al-1) is bonded to carbon atom *2 of the fluorene skeleton; Ar in formula (Al-1) represents a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 40 ring atoms; wherein Ar in formula (Bl-1) is a group represented by any of formulae (a) to (j): wherein each R is independently the same as defined with respect to R 1 in formula (Bl-1), when more than one R occurs, groups R may be the same or different, and two selected from groups R may be bonded to each other to form a ring structure; R a and R b in formula (f) each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, a halogen atom, a substituted or unsubstituted fluoroalkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted fluoroalkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms, or a cyano group, and two selected from groups R, R a, and R b in formula (f) may be bonded to each other to form a ring structure; each k independently represents an integer of 0 to 5, each m independently represents an integer of 0 to 4, and each n independently represents an integer of 0 to 3; and * represents a bonding site to L 2 or the nitrogen atom in formula (Bl-1). wherein R 1 to R 6 each independently represent a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, a halogen atom, a substituted or unsubstituted fluoroalkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted fluoroalkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms, or a cyano group; when R 1 to R 6 are each plurality in number, groups R 1 to groups R 6 are the same; R 7 and R 8 each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted fluoroalkyl group having 1 to 20 carbon atoms, or a cyano group, and R 7 and R 8 may be bonded to each other to form a saturated aliphatic ring; k3 and k4 each independently represent an integer of 0 to 5, m2 and m6 each represent 0, and nl and n5 each represent 0; L 1 and L 2 each independently represent a single bond, a phenylene group or a biphenyldiyl group; L 1 in formula (Al-1) is bonded to carbon atom *2 of the fluorene skeleton; Ar in formula (Al-1) represents a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 40 ring atoms; wherein Ar in formula (Bl-1) is a group represented by any of formulae (a) to (j): wherein each R is independently the same as defined with respect to R 1 in formula (Bl-1), when more than one R occurs, groups R may be the same or different, and two selected from groups R may be bonded to each other to form a ring structure; R a and R b in formula (f) each independently represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, a halogen atom, a substituted or unsubstituted fluoroalkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted fluoroalkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms, or a cyano group, and two selected from groups R, R a, and R b in formula (f) may be bonded to each other to form a ring structure; each k independently represents an integer of 0 to 5, each m independently represents an integer of 0 to 4, and each n independently represents an integer of 0 to 3; and * represents a bonding site to L 2 or the nitrogen atom in formula (Bl-1).