The present invention relates to a core-shell capsule comprising: a core comprising an oil, a solvent satisfying relational expression 1 below, and a water-insoluble polymer compound dissolved in the solvent； and a water-insoluble polymer shell enclosing the core. 0.1 ‰¤ C A / C B ‰¤ 100 (in relational expression 1, C A /C B is the distribution coefficient of solvent, and when the solvent is dissolved in oil and water to reach equilibrium, C A is the concentration of the solvent dissolved in the oil and C B is the concentration of the solvent dissolved in water.)
