As a result of the archaeological studies conducted around the temple, the remains of an ancient structures that had dug-standing pillars (a construction style in which pillars are erected directly against the ground, without using foundation stones) were found.
境内周辺の発掘調査の結果、掘立柱（礎石を据えずに地面に直接柱を立てる）建物の遺構が検出された。