特徴3. 膨らみの表現 • https://medium.com/@maxnatchanon/swiftui-how-to-get-content-offset-from-scrollview-5ce1f84603ec • https://qiita.com/hcrane/items/3f3a9ff2ef0fccd01338 • https://qiita.com/maiyama18/items/a64bab2094750319ef8d • https://speakerdeck.com/chocoyama/20fen-dewakaru-su-xi-resultbuilder-iosdc-2022 • https://speakerdeck.com/uhooi/iosdc-japan-2022