<p>An epoxy resin composition in which the epoxy resin composition includes components (A1) (C1) as set forth below, has a component (B1) content of 8-20 parts by mass per 100 parts by mass of the component (A1), and has a component (C1) content of 12-110 parts by mass per 100 parts by mass of the component (A1). Component (A1): an epoxy resin; component (B1): a boron trihalide amine complex; component (C1): a rubber particle.</p>
