Translation of "Woodwork" in Japanese

At first only a few people protested, but now they're all coming out of the woodwork.

当初抗議する人はほんのわずかだったが、今やそこらじゅうから湧き起こっている。

As soon as they realized the mayor was on his way down, his critics started coming out of the woodwork.

市長の人気が落ち目になった途端に、一斉に彼に対する批判が噴き出してきた。