In addition to the use of crucifix designs on roof tiles that has been determined from excavated artifacts, it is thought that Christian motifs were incorporated into the engravings and decoration on pillars, beams, gables and transoms, as well as sliding panel paintings and roof paintings.
屋根瓦に十字紋が用いられたことが出土遺物によって確認できるほか、柱・梁・破風・欄間の装飾や彫り物、襖絵、天井絵等に、キリスト教に関連するモチーフが取り入れられたと思われる。