1. A display control method executed by a computer, the display control method comprising: acquiring an image captured by a camera; displaying and superimposing first object data in the captured image on a screen when a first position associated with the first object data is included in an area specified according to a position and an orientation that have been detected, and also displaying a map including a symbol of the first position of the first object data associated with the first position on the screen; and continuously displaying, on the screen, the first object data, when the first object data is continuously detected as being included in a predetermined range in the captured image for a predetermined time, even after the first position is no longer included in the area.