シンプルなアイコン集サイトGoogle Material Symbols and Iconshttps://fonts.google.com/icons GitHub Octiconshttps://primer.style/octicons/ Sargam Iconshttps://sargamicons.com/ Thousands of free iconshttps://icon-icons.com/ flaticonhttps://www.flaticon.com/ ICONFINDERhttps://www.iconfinder.com/ iconfonthttps://www.iconfont.cn/ open-iconichttps://github.com/iconic/open-iconic
