noun-modifying (irregular)
toward Japan; with Japan; vis-à-vis Japan
Prenominal modifier used in formal contexts such as diplomacy, trade, and international relations. Describes policies, attitudes, or actions directed at or involving Japan.
対日貿易赤字が拡大している。
The trade deficit with Japan is widening.
対日政策の見直しが求められ
A review of policy toward Japan is being called for.