fix: qa 241107 (#46)

* fix: update og image

* fix: update favicon

* fix: update card opacity

Author: Najeong-Kim

public/assets/og.png

@@ -7,7 +7,7 @@ interface CardProps extends React.HTMLAttributes<HTMLDivElement> {
 const Card = ({ className, children, ...props }: CardProps) => (
   <div
     className={cn(
-      'backdrop-blur-px rounded-[15px] border border-white/30 bg-gradient-to-br from-white/90 to-white/30 shadow-[2px_10px_29px_0px_rgba(47,49,65,0.02)]',
+      'backdrop-blur-px rounded-[15px] border border-white/30 bg-gradient-to-br from-white/90 to-white/50 shadow-[2px_10px_29px_0px_rgba(47,49,65,0.02)]',
       className
     )}
     {...props}