整理整頓

**Image Prompt:** Cozy Japanese home interior during winter. Focus on a window with thermal insulation film applied. A person is adjusting a thick curtain. Soft, warm lighting inside. Emphasis on energy conservation.

知らなきゃ損!電気代を劇的に節約する裏ワザ集

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最近、電気代の請求書を見て、びっくり仰天 ...