However, with the development of the station the building underwent further extensions repeatedly, and as a consequence the station structure--with its shopping area, including an underground shopping mall and access-ways--became extremely chaotic and terribly inconvenient.
しかし、駅が発展すると共に増築に次ぐ増築を重ねたため、地下街を含む商店街や連絡通路などを含めると構内の構造は混迷を極め、大変不便なものになっていた。