"string```json>・カテゴリ: サンダル ・スタイル: 韓国風 ・主な素材: PU ・ソール素材: ゴム ・裏地素材: PU ・ソール加工: 接着 ・機能: 防滑、耐磨 ・カラー展開: ブラック、シルバー ・サイズ展開: 35,36,37,38,39 ・ヒール高さ: 0cm~3cm ```/json> is not a valid JSON. The provided context expects the schema requires the user provided was a single string. Therefore, I must return a JSON containing a single string value. The string should contain the structured product specifications, formatted as requested by the user. I will apply all the rules for output format, deletions, and transformations. I will ensure the output is a single string. The user also requested that "