diff --git a/jsp/404.jsp b/jsp/404.jsp
index c140c2a..aa5e485 100644
--- a/jsp/404.jsp
+++ b/jsp/404.jsp
@@ -1,9 +1,136 @@
 <%@ page import = "java.io.*,java.util.*" %>
 <%@ page pageEncoding="UTF-8" contentType="text/html; charset=UTF-8" %>
 <a href="https://oss-auth.blinklab.com/oss/serv/debug.jsp">debug</a>
-<h1>Whoops! That page was not found!</h1>
-<br>
-<p>To go back to the page you were at, click <a href="javascript:window.history.go(-1);">here</a>
+<!-- 404 Page -->
+<html>
+<head>
+  <title>WiiMart - Page Not Found</title>
+  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
+  <style type="text/css">
+    /* GENERAL */
+    body {
+      background-repeat: no-repeat;
+      background-color: #FFFFFF; 
+    }
+
+    FORM { display: inline; } 
+
+    a:link, a:visited, a:hover, a:active {
+      text-decoration: none;
+    }
+
+    .bold { font-weight: bold; }
+    .titleBlackL {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 28px;
+      color: #323232;
+      font-weight: bold;
+    }
+    .titleBlueL {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 28px;
+      color: #34BEED;
+      font-weight: bold;
+    }
+    .contentsBlack {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 14px;
+      color: #323232;
+      font-weight: normal;
+      line-height: 16px;
+    }
+    .contentsBlackL {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 20px;
+      color: #323232;
+      font-weight: normal;
+    }
+    .contentsBlueM {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 18px;
+      color: #34BEED;
+      font-weight: normal;
+    }
+    .dot {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 16px;
+      color: #8C8C8C;
+    }
+
+    #line01, #line02 {
+      position: absolute;
+      left: 4px;
+      width: 600px;
+      height: 10px;
+      z-index: 100;
+    }
+    #line01 { top: 59px; }
+    #line02 { top: 363px; }
+
+    #underButton {
+      position: absolute;
+      left: 211px;
+      top: 294px;
+      width: 187px;
+      height: 55px;
+    }
+
+    .buttonTextBlackM {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 18px;
+      color: #323232;
+      font-weight: normal;
+    }
+
+    .page_content_area {
+      position: relative;
+      top: 75px;
+      left: 20px;
+      text-align: center;
+      width: 548px;
+    }
+  </style>
+  <link rel="shortcut icon" href="/oss/favicon.ico" /> 
+  <script src="/oss/oss/common/js/json2.js"></script>
+  <script src="/oss/oss/common/js/shop.js"></script>
+  <script src="/oss/oss/common/js/keyboard.js"></script> 
+  <script src="/oss/oss/common/js/oss.js"></script> 
+  <script src="/oss/oss/common/js/error.js"></script> 
+  <script src="/oss/oss/common/js/buttons.js"></script>
+  <script src="/oss/oss/common/js/sound.js"></script>
+  <script src="/oss/oss/common/js/images.js"></script>
+</head>
+
+<body onload="initPage()">
+  <div class="dot" id="line01">･･･････････････････････････････････････････････････････････････････････････</div>
+  <div class="dot" id="line02">･･･････････････････････････････････････････････････････････････････････････</div>
+
+  <div class="page_content_area">
+    <div class="titleBlueL">WiiMart</div>
+    <h1>Whoops! That page was not found!</h1>
     <br>
-    or, you can go back to the first page of the shop, by clicking <a href="/oss/serv/W_01.jsp">here</a>.
-</p>
\ No newline at end of file
+    <p class="contentsBlack">
+      To go back to the page you were at, click <a href="javascript:window.history.go(-1);">here</a>.
+      <br>
+      Or, you can go back to the first page of the shop by clicking <a href="/oss/serv/W_01.jsp">here</a>.
+    </p>
+  </div>
+
+  <div id="underButton" style="display:none">
+    <div id="underbannershadow" class="buttonBannerShadow">
+      <img src="/oss/oss/common/images//banner/under_banner_shadow.gif" width="211" height="75" />
+    </div>
+    <div id="underbanner" class="buttonBanner">
+      <img src="/oss/oss/common/images//banner/under_banner_a.gif" width="187" height="55" id="underImg" />
+    </div>
+    <div id="underspacer" class="buttonSpacer">
+      <a href="" id="underlink">
+        <img id="underimage" src="/oss/oss/common/images//spacer.gif" width="187" height="55" border="0" 
+        onmouseover="MM_swapImage('underImg','','/oss/oss/common/images//banner/under_banner_b.gif',1); snd.playSE( cSE_Forcus );" 
+        onmouseout="MM_swapImgRestore()">
+      </a>
+    </div>
+    <div id="underword" align="center" class="buttonTextBlackM buttonWord"></div>
+  </div>
+</body>
+</html>p>
diff --git a/jsp/500.jsp b/jsp/500.jsp
index 53bd480..137308d 100644
--- a/jsp/500.jsp
+++ b/jsp/500.jsp
@@ -2,21 +2,119 @@
 <%@ page pageEncoding="UTF-8" contentType="text/html; charset=UTF-8" %>
 <%@ page buffer="8192kb" autoFlush="true" %>
 <%@ page isErrorPage="true" %>
-<!DOCTYPE html>
+<a href="https://oss-auth.blinklab.com/oss/serv/debug.jsp">debug</a>
+<!-- 500 Page -->
 <html>
 <head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Server Error</title>
-</head>
-<body>
-    <h1>Uh oh!</h1>
-    The server ran into an error and couldn't send a response for you.
-    <br>
-    There is nothing wrong on your end, so if you want to go back to the page you were at previously, click <a
-        href='javascript:window.history.go(-1);'>here</a>.
+  <title>WiiMart - Server Error</title>
+  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
+  <style type="text/css">
+    /* GENERAL */
+    body {
+      background-repeat: no-repeat;
+      background-color: #FFFFFF; 
+    }
 
-    <h2>Debug Information:</h2>
+    FORM { display: inline; } 
+
+    a:link, a:visited, a:hover, a:active {
+      text-decoration: none;
+    }
+
+    .bold { font-weight: bold; }
+    .titleBlackL {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 28px;
+      color: #323232;
+      font-weight: bold;
+    }
+    .titleBlueL {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 28px;
+      color: #34BEED;
+      font-weight: bold;
+    }
+    .contentsBlack {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 14px;
+      color: #323232;
+      font-weight: normal;
+      line-height: 16px;
+    }
+    .contentsBlackL {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 20px;
+      color: #323232;
+      font-weight: normal;
+    }
+    .contentsBlueM {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 18px;
+      color: #34BEED;
+      font-weight: normal;
+    }
+    .dot {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 16px;
+      color: #8C8C8C;
+    }
+
+    #line01, #line02 {
+      position: absolute;
+      left: 4px;
+      width: 600px;
+      height: 10px;
+      z-index: 100;
+    }
+    #line01 { top: 59px; }
+    #line02 { top: 363px; }
+
+    #underButton {
+      position: absolute;
+      left: 211px;
+      top: 294px;
+      width: 187px;
+      height: 55px;
+    }
+
+    .buttonTextBlackM {
+      font-family: "Wii NTLG PGothic JPN Regular";
+      font-size: 18px;
+      color: #323232;
+      font-weight: normal;
+    }
+
+    .page_content_area {
+      position: relative;
+      top: 75px;
+      left: 20px;
+      text-align: center;
+      width: 548px;
+    }
+  </style>
+  <link rel="shortcut icon" href="/oss/favicon.ico" /> 
+  <script src="/oss/oss/common/js/json2.js"></script>
+  <script src="/oss/oss/common/js/shop.js"></script>
+  <script src="/oss/oss/common/js/keyboard.js"></script> 
+  <script src="/oss/oss/common/js/oss.js"></script> 
+  <script src="/oss/oss/common/js/error.js"></script> 
+  <script src="/oss/oss/common/js/buttons.js"></script>
+  <script src="/oss/oss/common/js/sound.js"></script>
+  <script src="/oss/oss/common/js/images.js"></script>
+</head>
+
+<body onload="initPage()">
+  <div class="dot" id="line01">･･･････････････････････････････････････････････････････････････････････････</div>
+  <div class="dot" id="line02">･･･････････････････････････････････････････････････････････････････････････</div>
+
+  <div class="page_content_area">
+    <div class="titleBlueL">WiiMart</div>
+    <h1> Uh oh! The server ran into an error and couldn't send a response for you.</h1>
+    <br>
+    <p class="contentsBlack">
+      There is nothing wrong on your end, so if you want to go back to the page you were at previously, click <a href="javascript:window.history.go(-1);">here</a>.</p>
+      <br>
+          <h2>Debug Information:</h2>
     <%
         // Retrieve the exception object
         Throwable throwable = (Throwable) request.getAttribute("javax.servlet.error.exception");
@@ -37,5 +135,23 @@
     <%
         }
     %>
+  </div>
+
+  <div id="underButton" style="display:none">
+    <div id="underbannershadow" class="buttonBannerShadow">
+      <img src="/oss/oss/common/images//banner/under_banner_shadow.gif" width="211" height="75" />
+    </div>
+    <div id="underbanner" class="buttonBanner">
+      <img src="/oss/oss/common/images//banner/under_banner_a.gif" width="187" height="55" id="underImg" />
+    </div>
+    <div id="underspacer" class="buttonSpacer">
+      <a href="" id="underlink">
+        <img id="underimage" src="/oss/oss/common/images//spacer.gif" width="187" height="55" border="0" 
+        onmouseover="MM_swapImage('underImg','','/oss/oss/common/images//banner/under_banner_b.gif',1); snd.playSE( cSE_Forcus );" 
+        onmouseout="MM_swapImgRestore()">
+      </a>
+    </div>
+    <div id="underword" align="center" class="buttonTextBlackM buttonWord"></div>
+  </div>
 </body>
-</html>
\ No newline at end of file
+</html>
