A light control device according to the present disclosure includes: stacked M (provided that M≥1) light control layers 113M in each of which a first nanocarbon film 114, a first intermediate layer 117A, a dielectric material layer 116, and a second intermediate layer 117B are stacked; and a second nanocarbon film 115formed on the second intermediate layer 117B included in an M-th light control layer 113M. A voltage is applied to the first nanocarbon film 114 and the second nanocarbon film 115.