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curtained sleeping platform in shinden-style residences (used by people of high rank)
旅館の帳台で鍵を受け取ったよ。
I received the key at the inn's front desk.
帳台のスタッフに質問してみた。
I asked the front desk staff.
帳台で精算を済ませてきたんだ。
I finished settling the bill at the desk.