A content attribute acquisition unit acquires a plurality of pieces of content attribute information respectively indicating attributes of a plurality of contents to be displayed before a main part of a movie. An order determination unit determines, using the plurality of pieces of content attribute information, a display order of the plurality of contents and outputs order information indicating the display order to a screening content generation device. A content storage unit stores the plurality of contents as well as the plurality of pieces of content attribute information. The content attribute acquisition unit acquires the plurality of pieces of content attribute information from the content storage unit, and also acquires the plurality of contents from the content storage unit. The order determination unit outputs to the screening content generation device, the order information together with the plurality of contents acquired from the content attribute acquisition unit.