Decorative sheet and method for producing decorative sheet

A decorative sheet, comprising:

• a primary film layer and a surface protective layer provided on one surface of the primary film layer, wherein:
• the surface protective layer has a gloss of 15 or less;
• the surface protective layer has a ridge part protruding in a ridge shape on its surface to form an irregular shape;
• the surface protective layer has a Martens hardness within the range of 20 N/mm2 or more and 200 N/mm2 or less;
• the surface protective layer contains an ionizing radiation curable resin as a main material;
• the ionizing radiation curable resin contains a trifunctional acrylic resin having a repeating structure as a main component;
• the number of repetitions of the repeating structure is 3 or more;
• the irregular shape of the surface protective layer has RSm/Ra within the range of 10 or more and 300 or less,
• wherein the surface protective layer has a thickness within the range of 2 μm or more and 25 μm or less,
• wherein the repeating structure is any of ethylene oxide, propylene oxide, and ε-caprolactone structures,
• the surface protective layer comprises particles have an average particle size of 10 μm or less, and
• the particles are added in an amount within the range of 0.5 parts by mass or more and 10 parts by mass or less based on 100 parts by mass of the ionizing radiation curable resin.