A solar cell includes: an n-type first amorphous silicon layer provided on a first main surface of a crystalline silicon substrate; an amorphous silicon oxide layer provided on a first main surface of the first amorphous silicon layer; and an n-type fine crystal silicon layer provided on a first main surface of the amorphous silicon oxide layer. An oxygen atom concentration in the first amorphous silicon layer, the amorphous silicon oxide layer, and the fine crystal silicon layer has a maximum value in the amorphous silicon oxide layer with a thickness direction.