A lighting control device controls a light source unit provided at a position corresponding to at least one seat or a cabin of a mobile body, and includes a processor that acquires input information that is an input from the one or more seats or the cabin. The processor has at least a first mode for causing the light source unit to emit light in a light emission pattern corresponding to the input information as a notification device for causing a crew of the mobile body to recognize contents of the input, and a second mode for causing the light source unit to emit light using a set light emission pattern as lighting for spatial atmosphere of the at least one seat or the cabin, the processor being configured to switch between the first mode and the second mode.