fix: useViewport 계산 상수 수정

Author: AAminha

src/hooks/useViewport.ts

@@ -3,8 +3,8 @@ import { useEffect } from 'react';
 function useViewport() {
   useEffect(() => {
     const setViewport = () => {
-      const vh = window.innerHeight * 0.00999;
-      const vw = document.documentElement.clientWidth * 0.00999;
+      const vh = window.innerHeight * 0.01;
+      const vw = document.documentElement.clientWidth * 0.01;
       document.documentElement.style.setProperty('--vh', `${vh}px`);
       document.documentElement.style.setProperty('--vw', `${vw}px`);
     };