A toner comprising toner particles each of which contains a binder resin and a coloring agent, wherein: in a DSC curve as measured with a differential scanning calorimeter, the toner has a glass transition temperature, as determined according to the description, of not less than 50°C and not more than 60°C; and the toner has, in regard to a resin composition contained therein, a difference of not less than 0.060 W/g in heat flow, as determined according to the description, between a point on the curve at a temperature of 40°C and a baseline in the range exceeding the glass transition temperature; and in viscoelastic characteristics measured at a frequency of 6.28 rad/sec according to the description, the toner has a storage elastic modulus (G'40) at a temperature of 40°C of not less than 7.0 × 10 8 Pa and not more than 2.0 × 10 9 Pa, and a storage elastic modulus (G'70) at a temperature of 70°C of not less than 1.0 × 10 5 Pa and not more than 1.0 × 10 7 Pa, wherein, in the DSC curve as measured with a differential scanning calorimeter according to the description, the binder resin has a first endothermic peak P1 at a temperature of not less than 55°C and not more than 75°C and a second endothermic peak P2 at a temperature of not less than 80°C and not more than 120°C; and the endothermic calorie at the first endothermic peak P1, ΔH1, and the endothermic calorie at the second endothermic peak P2, ΔH2, is in a relationship of ΔH1 ≤ ΔH2, and wherein, in molecular weight distribution as measured by gel permeation chromatography of a THF-soluble matter, the binder resin has at least one peak in a molecular weight region of not less than 5,000 and not more than 10,000 and, in a chart of the GPC, has an area of a peak in a molecular weight region of not more than 3,000, of not more than 20% based on the whole area of peaks. in a DSC curve as measured with a differential scanning calorimeter, the toner has a glass transition temperature, as determined according to the description, of not less than 50°C and not more than 60°C; and the toner has, in regard to a resin composition contained therein, a difference of not less than 0.060 W/g in heat flow, as determined according to the description, between a point on the curve at a temperature of 40°C and a baseline in the range exceeding the glass transition temperature; and in viscoelastic characteristics measured at a frequency of 6.28 rad/sec according to the description, the toner has a storage elastic modulus (G'40) at a temperature of 40°C of not less than 7.0 × 10 8 Pa and not more than 2.0 × 10 9 Pa, and a storage elastic modulus (G'70) at a temperature of 70°C of not less than 1.0 × 10 5 Pa and not more than 1.0 × 10 7 Pa, wherein, in the DSC curve as measured with a differential scanning calorimeter according to the description, the binder resin has a first endothermic peak P1 at a temperature of not less than 55°C and not more than 75°C and a second endothermic peak P2 at a temperature of not less than 80°C and not more than 120°C; and the endothermic calorie at the first endothermic peak P1, ΔH1, and the endothermic calorie at the second endothermic peak P2, ΔH2, is in a relationship of ΔH1 ≤ ΔH2, and wherein, in molecular weight distribution as measured by gel permeation chromatography of a THF-soluble matter, the binder resin has at least one peak in a molecular weight region of not less than 5,000 and not more than 10,000 and, in a chart of the GPC, has an area of a peak in a molecular weight region of not more than 3,000, of not more than 20% based on the whole area of peaks.