A mode acquisition unit (21) accepts designation of a driver type from a driver or a passenger, among driver types provided by driver's driving skill. A mode acquisition unit (21) acquires a driving mode corresponding to a designated type which is a designated driver type. The driving mode indicates a control method of automated driving corresponding to a driving skill. The driving control unit (22) causes a mobile body (100) to perform automated driving in accordance with the control method indicated by the driving mode acquired by the mode acquisition unit (21), thereby realizing automated driving corresponding to the driving skill.