noun
buyer protection; security guarantee; worry-free warranty
Used in commercial and service contexts for guarantees that protect the buyer or ensure peace of mind, such as refund policies, quality assurances, or secure transaction promises.
このオンラインショップでは、安心保証制度を導入しています。
This online shop has introduced a buyer protection program.
商品に不具合があった場合、安心保証で返金してもらえます。
If there is a defect in the product, you can get a refund under the worry-free warranty.
Compound of 安心 (peace of mind) and 保証 (guarantee). A modern commercial term.