expression, godan verb (-ru)
to be caught in one's own trap; to be hoist by one's own petard
Idiomatic expression meaning to suffer from the consequences of one's own scheme or actions. Often used in formal or literary contexts.
彼の策略は結局、自縄自縛に陥った。
His scheme ended up being his own undoing.
あまりに複雑なルール
If you make rules that are too complicated, you might end up trapping yourself.