noun
sex entertainment industry; adult entertainment business
Refers broadly to businesses involved in sexual services or adult entertainment, including soaplands, pink salons, and related establishments.
性風俗産業は法律で厳しく規制されている。
The sex entertainment industry is strictly regulated by law.
彼は性風俗産業で働いている。
He works in the adult entertainment business.
Compound of 性 (sex), 風俗 (manners/customs, here euphemistically for sexual services), and 産業 (industry).