Driving support device

A driving support device, provided in a mobile body having a plurality of seating positions, comprising a processor,

• wherein the processor is configured to;
• set a priority order regarding a seating position with respect to the plurality of seating positions when performing improvement control of the mobile body with respect to emotion of an occupant on the mobile body,
• acquire at least one of a captured image and biometric information of the occupant, input thereof to a learning model as an input parameter, and output an emotion estimation result of the occupant as an output parameter,
• select, in accordance with the priority order with respect to the plurality of seating positions, an occupant who is seated in a seated position having a highest priority, based on the priority order, among occupants who are desired to be treated under improvement control,
• determine the improvement control with respect to the mobile body based on the emotion estimation result of the selected occupant, and
• control the mobile body based on the determined improvement control.