CONTROL DEVICE AND CONTROL METHOD

The present invention obtains a controller and a control method capable of improving operability of a motorcycle. In a controller 30 and the control method according to the present invention, an execution section of the controller 30 executes holding control for braking and holding a motorcycle 1 without relying on a brake operation by a rider of the motorcycle 1 at a stop of the motorcycle 1. The execution section switches a cancellation condition of the holding control between a first condition, under which the holding control is canceled on the basis of an output increase index value of a drive source (an engine 11) and connection state information of a clutch 12, and a second condition, under which the holding control is canceled not on the basis of the output increase index value but on the basis of the connection state information, according to a gradient of a road surface.