せいやく制約seiyaku
1.

A framework that limits or regulates the scope of actions and choices, effectively constraining freedom in behavior and decision-making.

2.

An imposition of restrictions that hinders the ability to engage in activities freely, signaling the presence of boundaries that must be acknowledged.

3.

A specific requirement or condition that must be met for an event or situation to occur, often impacting the nature and extent of outcomes.

Example:

合衆国には小火器の販売に関する法律上の制約はほとんどない。