後期 こうき高齢 こうれい しゃ医療 いりょう制度 せいどであれば
kō kikōreishairyōseidodeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 後期高齢者医療制度

1. If it were the late-stage elderly medical system; If the late-stage elderly medical system existed

Ba Conditional