URL：https://static.vecteezy.com/system/resources/previews/012/933/425/original/red-heart-symbol-simple-flat-two-hearts-icon-or-logo-isolated-on-transparent-background-suitable-for-use-as-a-symbol-of-love-and-valentine-s-design-format-free-png.png
掲載元：https://www.vecteezy.com/png/12933425-red-heart-symbol-simple-flat-two-hearts-icon-or-logo-isolated-on-transparent-background-suitable-for-use-as-a-symbol-of-love-and-valentine-s-design-png-format
