{"updated": "2026-09-19", "name": "キャットフード", "items": [{"slug": "cat-food", "name": "キャットフード", "unit_label": "1kg", "d7": {"from": "2026-09-06", "to": "2026-09-19", "v0": 2111.21, "v1": 2055.36, "pct": -2.6, "days_cur": 7, "days_base": 7}, "d28": null, "since_first": {"from": "2026-08-22", "to": "2026-09-19", "v0": 2086.33, "v1": 1990.0, "pct": -4.6}, "history": [{"date": "2026-08-22", "median_per_unit": 2086.33}, {"date": "2026-08-23", "median_per_unit": 2086.33}, {"date": "2026-08-24", "median_per_unit": 2101.0}, {"date": "2026-08-25", "median_per_unit": 2101.0}, {"date": "2026-08-26", "median_per_unit": 2071.67}, {"date": "2026-08-27", "median_per_unit": 2086.33}, {"date": "2026-08-28", "median_per_unit": 2086.33}, {"date": "2026-08-29", "median_per_unit": 2040.5}, {"date": "2026-08-30", "median_per_unit": 2040.5}, {"date": "2026-08-31", "median_per_unit": 2101.0}, {"date": "2026-09-01", "median_per_unit": 2101.0}, {"date": "2026-09-02", "median_per_unit": 2101.0}, {"date": "2026-09-03", "median_per_unit": 2101.0}, {"date": "2026-09-04", "median_per_unit": 2101.0}, {"date": "2026-09-05", "median_per_unit": 2058.5}, {"date": "2026-09-06", "median_per_unit": 2196.0}, {"date": "2026-09-07", "median_per_unit": 2148.5}, {"date": "2026-09-08", "median_per_unit": 2148.5}, {"date": "2026-09-09", "median_per_unit": 2101.0}, {"date": "2026-09-10", "median_per_unit": 2101.0}, {"date": "2026-09-11", "median_per_unit": 2093.5}, {"date": "2026-09-12", "median_per_unit": 1990.0}, {"date": "2026-09-13", "median_per_unit": 1990.0}, {"date": "2026-09-14", "median_per_unit": 2101.0}, {"date": "2026-09-15", "median_per_unit": 2101.0}, {"date": "2026-09-16", "median_per_unit": 2101.0}, {"date": "2026-09-17", "median_per_unit": 2101.0}, {"date": "2026-09-18", "median_per_unit": 2003.5}, {"date": "2026-09-19", "median_per_unit": 1990.0}], "page": "https://kurashigram.com/nichiyo/cat-food/"}], "note": "楽天市場の実売の中央値。メーカーの発表は含まない。CC BY 4.0"}