DRIVING SUPPORT DEVICE, WEARABLE DEVICE, DRIVING SUPPORT SYSTEM, DRIVING SUPPORT METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

A driving support device includes: a memory; and a processor including hardware, the processor being configured to acquire line-of-sight information about a line of sight of a driver seated in a driver's seat of a vehicle, and output driving support information for supporting driving of the vehicle, onto a visual field of the driver based on the line-of-sight information.