関連ワード:  how to open windows on iphone 15    how to close open windows on iphone 15    how to clear open windows on iphone 15    how to see open windows on iphone 15    how to open multiple windows on iphone 15    how to close open windows on iphone 15 pro max    how to open multiple windows on iphone 15 pro max    how to close open windows on iphone 15 plus    how to close open windows on iphone 15 pro    how to open all windows on iphone 15