noun which may take the genitive case particle 'no'
sports-minded; sports-oriented; jock-like
Describes a person, group, or atmosphere that emphasizes athletic values, discipline, hierarchy, and a competitive spirit, often associated with school sports clubs. Can carry a nuance of being overly strict or macho.
彼は体育会系のノリが苦手だ。
He doesn't like the jock-ish atmosphere.
あの会社は体育会
That company has a strong sports-club-like hierarchy.