terms of use; terms and conditions
Refers to the rules or conditions one must agree to when using a service, website, or facility.
Please read the terms of use for this site carefully.
利用規約 is often used interchangeably, but 利用条件 can sound slightly broader, covering conditions beyond just contractual rules.
Compound of 利用 (use, utilization) and 条件 (conditions, terms).