terms of service; terms of use; terms and conditions
Refers to the legal agreement between a service provider and its users, commonly seen on websites and apps.
Please read the terms of service before using this site.
You cannot use the service unless you agree to the terms and conditions.
規約 is a broader term for rules or agreements, while 利用規約 specifically refers to terms governing the use of a service.
Compound of 利用 (use) and 規約 (rules/agreement).