1. A closure panel control apparatus for a vehicle, comprising: a door; a closure panel that is provided to the door; a drive unit that drives the closure panel to open and close the closure panel; and a pinching sensing unit that senses pinching of an object caused by the closure panel at time of driving the closure panel by the drive unit, wherein the pinching sensing unit includes: a pinching amount computing means for computing a pinching amount of the object caused by the closure panel; a pinching amount estimating means for estimating a prior pinching amount of the object caused by the closure panel before the pinching amount computing means computes the pinching amount of the object; a pinching determining means for confirming occurrence of the pinching of the object based on the computed pinching amount, which is computed by the pinching amount computing means, and the estimated prior pinching amount of the object, which is estimated by the pinching amount estimating means; and a door state sensing means for sensing a current state of the door, which is one of an open state and a close state of the door, wherein: the pinching amount estimating means determines whether generation of an external disturbance exists at the time of driving the closure panel by the drive unit; and when the pinching amount estimating means determines that the generation of the external disturbance exists at the time of driving the closure panel, the pinching amount estimating means corrects the estimated prior pinching amount of the object based on the sensed external disturbance and corrects the computed pinching amount of the object, which is computed by the pinching amount computing means, based on the sensed current state of the door.