INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND NON-TRANSITORY STORAGE MEDIUM STORING INFORMATION PROCESSING PROGRAM

An information processing device performs an operation of a delivery service in which a vehicle cabin including a trunk of a vehicle used by a requester is designated as a delivery destination of luggage, or assists in the operation. The information processing device includes a vehicle position information acquisition unit configured to acquire position information of the vehicle, a requester position information acquisition unit configured to acquire position information of a mobile terminal carried by a requester, and a delivery countermeasure decision unit configured to decide a procedure regarding delivery work of the luggage based on the position information of the vehicle and the position information of the mobile terminal carried by the requester when the vehicle is parked.