Dress formally and respectably in churches and upscale restaurants, and ensure that your table manners are impeccable.

在教堂和高档餐厅穿着要正式体面并确保你的餐桌礼仪做到无可挑剔。

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In the inn setting, you can consider yourself respectably attired for such a dignified supper if you dress in the cotton kimono provided in your room (bonus: you are dressed in what is essentially a bathrobe and can loosen the sash if you find that the meal was five courses longer than you expected).

BBC: Kaiseki-ryori: Japanese haute cuisine