A commodity layout database retains commodity arrangement information in which a plurality of kinds of commodity identification information for identifying a plurality of commodities arranged indoors and indoor arrangement positions of the plurality of commodities are associated with each other. A photographing unit photographs the periphery of an indoor. A commodity specifying unit analyzes a photographed image and specifies commodity identification information included in the photographed image. A guidance information creating unit specifies an indoor arrangement position of a registered commodity registered in advance by the user on the basis of the specified commodity identification information, the commodity arrangement information, and registered commodity identification information for identifying the registered commodity, and creates guidance information for guiding the user to the specified arrangement position of the registered commodity. A display unit presents the created guidance information.