An adhesive material composition comprising a hydrogenated copolymer composition and a tackifier, the hydrogenated copolymer composition comprising: a component (a) comprising a polymer block comprising a vinyl aromatic monomer unit as a main component and a polymer block comprising a conjugated diene monomer unit as a main component; and a component (b) comprising a polymer block comprising a vinyl aromatic monomer unit as a main component and a polymer block comprising a conjugated diene monomer unit as a main component, wherein the component (a) has a peak top molecular weight of 50,000 to 120,000, the component (b) has a peak top molecular weight 1.8 times to 3.8 times the peak top molecular weight of the component (a), 81 mol% or more of double bonds of the conjugated diene monomer unit included in the hydrogenated copolymer composition is hydrogenated, the content of the vinyl aromatic monomer unit included in the hydrogenated copolymer composition is 5 to 18 mass% based on the composition, the block content of the vinyl aromatic monomer unit included in the hydrogenated copolymer composition is 75 mass% or more, the melt flow rate of the hydrogenated copolymer composition is 4 to 20 g/10 min, the capillary viscosity of the hydrogenated copolymer composition is 300 to 600 Pa·s, and when the capillary viscosity is denoted by C [Pa·s] and the MFR is denoted by M [g/10 min], a relationship of (Expression 1): C ≤ -20. 8 M + 754.2 is satisfied; wherein the peak top molecular weight is determined by obtaining a molecular weight corresponding to the top of the peak obtained by gel permeation chromatography (solvent: tetrahydrofuran, temperature: 40 °C) from a standard polystyrene calibration curve; wherein the melt flow rate of the hydrogenated copolymer composition is measured in compliance with ISO 1133 under conditions of a temperature of 230 °C and a load of 2.16 kg; and wherein the capillary viscosity is a value obtained by measurement in compliance with ISO 11443, but has not been subjected to the Bagley correction or the Rabinovitch correction, under the measurement apparatus conditions below, wherein the accuracy of the numerical values below and conditions not specified below are compliant to ISO 11443: Capillary die inner diameter: φ1.0 mm Capillary die length: 10.0 mm Inlet angle: 180° Piston diameter: φ9.510 mm Furnace body diameter: φ9.55 mm. a component (a) comprising a polymer block comprising a vinyl aromatic monomer unit as a main component and a polymer block comprising a conjugated diene monomer unit as a main component; and a component (b) comprising a polymer block comprising a vinyl aromatic monomer unit as a main component and a polymer block comprising a conjugated diene monomer unit as a main component, wherein the component (a) has a peak top molecular weight of 50,000 to 120,000, the component (b) has a peak top molecular weight 1.8 times to 3.8 times the peak top molecular weight of the component (a), 81 mol% or more of double bonds of the conjugated diene monomer unit included in the hydrogenated copolymer composition is hydrogenated, the content of the vinyl aromatic monomer unit included in the hydrogenated copolymer composition is 5 to 18 mass% based on the composition, the block content of the vinyl aromatic monomer unit included in the hydrogenated copolymer composition is 75 mass% or more, the melt flow rate of the hydrogenated copolymer composition is 4 to 20 g/10 min, the capillary viscosity of the hydrogenated copolymer composition is 300 to 600 Pa·s, and when the capillary viscosity is denoted by C [Pa·s] and the MFR is denoted by M [g/10 min], a relationship of (Expression 1): C ≤ -20. 8 M + 754.2 is satisfied; wherein the peak top molecular weight is determined by obtaining a molecular weight corresponding to the top of the peak obtained by gel permeation chromatography (solvent: tetrahydrofuran, temperature: 40 °C) from a standard polystyrene calibration curve; wherein the melt flow rate of the hydrogenated copolymer composition is measured in compliance with ISO 1133 under conditions of a temperature of 230 °C and a load of 2.16 kg; and wherein the capillary viscosity is a value obtained by measurement in compliance with ISO 11443, but has not been subjected to the Bagley correction or the Rabinovitch correction, under the measurement apparatus conditions below, wherein the accuracy of the numerical values below and conditions not specified below are compliant to ISO 11443: Capillary die inner diameter: φ1.0 mm Capillary die length: 10.0 mm Inlet angle: 180° Piston diameter: φ9.510 mm Furnace body diameter: φ9.55 mm.