{"ok":true,"product":{"category":"roofing","code":"NIPPON-CORTEN-T6-1000x2000","datasheet_url":"https://www.eng.nipponsteel.com/","image_url":"","lead_time_days":30,"manufacturer":"日鉄エンジニアリング","name":"Cor-Ten 鋼板 t=6mm (耐候性)","origin":"日本","price_jpy":34000,"size_summary":"1000×2000×6mm / 31.4kg/枚","spec_summary":"耐候性鋼 / 自然酸化錆び保護層 / 塗装不要 / U.S. Steel COR-TEN 相当","stock_qty":60,"unit":"枚","warranty_years":50}}