PROBLEM TO BE SOLVED: To provide a fungicide detergent composition for hard surface exhibiting an excellent antifungal effect on fungal existing in a living environment such as a bath room, having washability of sebum dirt, and excellent in compounding stability, and a hard surface treatment method using the same.SOLUTION: There is provided a sterilization detergent composition for hard surface containing (a) a water-soluble inorganic salt of 0.1 mass% to 5 mass%, (b) a nonionic bactericidal agent of 0.05 mass% to 7 mass%, (c) one or more kinds of surfactant selected from a betaine type surfactant and an amine oxide type surfactant [hereafter (c) component] of 0.1 mass% to 5 mass%, optionally (d) a surfactant other than the (c) component [hereafter (d) component], and water, and having a mass ratio between content of the (c) component and total content of the (c) component and the (d) component, (c)/[(c)+(d)] of 0.30 to 1.0, and having pH at 25°C of 5 to 9.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】浴室等の生活環境に存在する黴に対して優れた殺黴効果を発揮し、皮脂汚れの洗浄性を有し、配合安定性に優れた硬質表面用殺黴洗浄剤組成物及びそれを用いた硬質表面処理方法の提供。【解決手段】（ａ）水溶性無機塩を０．１質量％以上５質量％以下、（ｂ）非イオン性殺菌剤を０．０５質量％以上７質量％以下、（ｃ）ベタイン型界面活性剤及びアミンオキシド型界面活性剤から選ばれる１種以上の界面活性剤［以下、（ｃ）成分という］を０．１質量％以上５質量％以下、任意に（ｄ）（ｃ）成分以外の界面活性剤［以下、（ｄ）成分という］、並びに水を含有し、（ｃ）成分の含有量と、（ｃ）成分と（ｄ）成分の合計含有量との質量比（ｃ）／［（ｃ）＋（ｄ）］が、０．３０以上１．０以下であり、２５℃におけるｐＨが５以上９以下である、硬質表面用殺黴洗浄剤組成物。【選択図】なし
