A release film-supported pressure-sensitive adhesive sheet comprising: a pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer, the pressure-sensitive adhesive sheet having a first face and a second face, and a first release film placed on the first face of the pressure-sensitive adhesive sheet; wherein the first face is a first adhesive face formed of a first surface of the pressure-sensitive adhesive layer, the first adhesive face has a ten-point mean roughness of 1000 nm or less, the release face of the first release film in contact with the first adhesive face has a ten-point mean roughness of 1000 nm or less, the second face is a second adhesive face having a 10-point mean roughness of 2000 nm or less; the ten-point mean roughness measured according to a method in the description; and the pressure-sensitive adhesive layer has a 100 °C storage modulus of 0.08 MPa or greater and a 23 °C storage modulus of 0.15 MPa or greater when the storage modulus is measured using a viscoelasticity testing system with the following parameters: Measurement mode: shear mode Temperature range: -70 °C to 150 °C Rate of heating: 5 °C /min Measurement frequency: 1 Hz; and wherein the pressure-sensitive adhesive layer comprises a (meth)acrylic polymer accounting for more than 50 % by weight of polymers in the pressure-sensitive adhesive layer, and wherein the (meth)acrylic polymer comprises, as a monomeric component constituting the (meth)acrylic polymer, a polyfunctional monomer, with the polyfunctional monomer accounting for 3 % by weight or less of all monomeric components. a pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer, the pressure-sensitive adhesive sheet having a first face and a second face, and a first release film placed on the first face of the pressure-sensitive adhesive sheet; wherein the first face is a first adhesive face formed of a first surface of the pressure-sensitive adhesive layer, the first adhesive face has a ten-point mean roughness of 1000 nm or less, the release face of the first release film in contact with the first adhesive face has a ten-point mean roughness of 1000 nm or less, the second face is a second adhesive face having a 10-point mean roughness of 2000 nm or less; the ten-point mean roughness measured according to a method in the description; and the pressure-sensitive adhesive layer has a 100 °C storage modulus of 0.08 MPa or greater and a 23 °C storage modulus of 0.15 MPa or greater when the storage modulus is measured using a viscoelasticity testing system with the following parameters: Measurement mode: shear mode Temperature range: -70 °C to 150 °C Rate of heating: 5 °C /min Measurement frequency: 1 Hz; and wherein the pressure-sensitive adhesive layer comprises a (meth)acrylic polymer accounting for more than 50 % by weight of polymers in the pressure-sensitive adhesive layer, and wherein the (meth)acrylic polymer comprises, as a monomeric component constituting the (meth)acrylic polymer, a polyfunctional monomer, with the polyfunctional monomer accounting for 3 % by weight or less of all monomeric components. Measurement mode: shear mode Temperature range: -70 °C to 150 °C Rate of heating: 5 °C /min Measurement frequency: 1 Hz; and wherein the pressure-sensitive adhesive layer comprises a (meth)acrylic polymer accounting for more than 50 % by weight of polymers in the pressure-sensitive adhesive layer, and wherein the (meth)acrylic polymer comprises, as a monomeric component constituting the (meth)acrylic polymer, a polyfunctional monomer, with the polyfunctional monomer accounting for 3 % by weight or less of all monomeric components. <EOS>