종목변경 시 캔들차트 사라지는 현상 수정

frontend/src/components/SplashScreen.tsx

@@ -3,7 +3,6 @@
  */
 import React, { useState } from 'react';
 import { loginUser, type LoginResponse } from '../utils/backendApi';
-import SplashChartBackground from './splash/SplashChartBackground';
 import '../styles/splashScreen.css';
 
 const DEFAULT_USERNAME = 'admin';
@@ -37,12 +36,8 @@ const SplashScreen: React.FC<Props> = ({ onLoginSuccess, onGuest }) => {
 
   return (
     <div className="splash">
-      <div className="splash-bg" aria-hidden />
-
-      <div className="splash-chart-layer" aria-hidden>
-        <SplashChartBackground />
-      </div>
-      <div className="splash-chart-fade" aria-hidden />
+      <div className="splash-photo-bg" aria-hidden />
+      <div className="splash-photo-overlay" aria-hidden />
 
       <div className="splash-center">
         <div className="splash-glass">