ガイドライン

がいどらいん
noun
guideline
society
1. guideline, set of standards
A set of recommendations or standards issued by an authority or organization, providing direction on how something should be done.
ガイドラインに従(したが)う。
To follow the guidelines.
New guidelines were announced.
The Ministry of Health, Labour and Welfare revised its guidelines on infectious disease prevention.

Register

From English "guideline." Used heavily in government, medical, and corporate contexts.

Common patterns

Usage

ガイドライン is softer than 規則(きそく) (rules) or 法律(ほうりつ) (law). It suggests recommended standards rather than mandatory requirements, though in practice organizations may treat them as binding.