VEHICULAR DISPLAY DEVICE, VEHICULAR DISPLAY SYSTEM, VEHICULAR DISPLAY METHOD, AND NON-TRANSITORY STORAGE MEDIUM STORED WITH PROGRAM

A vehicular display device includes: a processor, wherein the processor is configured to: acquire vehicle speed information regarding a vehicle; and display a line image extending toward a vehicle front side and having a base end in a vicinity of the vehicle by displaying the line image in a predetermined display region so as to appear in front of the vehicle, and perform emphasized display further toward a leading end side of the line image as the vehicle speed increases.