A lighting device body , recessed in a ceiling surface (C) when it is used, with a central axis (C0) of the lighting device body being oriented in a vertical direction, wherein the lighting device body comprises: a planar light source having a light-emitting surface , and a reflector formed in a bowl-like shape centering around an axis (C1) that intersects the central axis (C0), wherein the reflector is disposed to cover a lower portion of the light-emitting surface , wherein the reflector is inclined such that a lower portion of the axis (C1) is located nearer to a wall surface (W), and wherein the light-emitting surface is disposed such that: the center of the light-emitting surface is located on the axis (C1), and the light-emitting surface is inclined such that, when a first virtual plane (HI) that is orthogonal to the axis (C1) is used as a reference plane, a portion of the light-emitting surface farther from the wall surface (W) is located relatively upper, characterized in that when viewed in a cross section cut along a plane that includes the central axis (C0) and the axis (C1), and when an inclination angle of the axis (C1) with respect to the central axis (C0) is defined as α and an inclination angle of the light-emitting surface with respect to the first virtual plane (HI) is defined as β, the reflector and the light-emitting surface are disposed to obtain a relationship between α and β as expressed in : α < β < 90 degrees . a planar light source having a light-emitting surface , and a reflector formed in a bowl-like shape centering around an axis (C1) that intersects the central axis (C0), wherein the reflector is disposed to cover a lower portion of the light-emitting surface , wherein the reflector is inclined such that a lower portion of the axis (C1) is located nearer to a wall surface (W), and wherein the light-emitting surface is disposed such that: the center of the light-emitting surface is located on the axis (C1), and the light-emitting surface is inclined such that, when a first virtual plane (HI) that is orthogonal to the axis (C1) is used as a reference plane, a portion of the light-emitting surface farther from the wall surface (W) is located relatively upper, characterized in that when viewed in a cross section cut along a plane that includes the central axis (C0) and the axis (C1), and when an inclination angle of the axis (C1) with respect to the central axis (C0) is defined as α and an inclination angle of the light-emitting surface with respect to the first virtual plane (HI) is defined as β, the reflector and the light-emitting surface are disposed to obtain a relationship between α and β as expressed in : α < β < 90 degrees . the center of the light-emitting surface is located on the axis (C1), and the light-emitting surface is inclined such that, when a first virtual plane (HI) that is orthogonal to the axis (C1) is used as a reference plane, a portion of the light-emitting surface farther from the wall surface (W) is located relatively upper, characterized in that when viewed in a cross section cut along a plane that includes the central axis (C0) and the axis (C1), and when an inclination angle of the axis (C1) with respect to the central axis (C0) is defined as α and an inclination angle of the light-emitting surface with respect to the first virtual plane (HI) is defined as β, the reflector and the light-emitting surface are disposed to obtain a relationship between α and β as expressed in : α < β < 90 degrees . <EOS>