Refers to a relatively minor violation of the law, often used in contrast to 重犯罪 (serious crime). Common in legal contexts and news reports.
He was fined for a minor offense.
軽犯罪法に違反する行為は、拘留または科料に処せられることがある。
Acts that violate the Minor Offenses Act can be punished by detention or a petty fine.
He committed a minor offense and paid a fine.
The man was arrested for a minor offense.
He was warned for violating the Petty Offenses Act.