diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 854cdff7..89873c3d 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -10,6 +10,8 @@ env:
   VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
   VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
   VITE_API_URL: ${{ secrets.VITE_API_URL }}
+  VITE_DEMO_EMAIL: ${{ secrets.VITE_DEMO_EMAIL }}
+  VITE_DEMO_PASSWORD: ${{ secrets.VITE_DEMO_PASSWORD }}
 
 jobs:
   Vercel-Deploy :
@@ -21,6 +23,8 @@ jobs:
       - name: Create .env
         run: |
           echo "VITE_API_URL=$VITE_API_URL" > .env
+          echo "VITE_DEMO_EMAIL=$VITE_DEMO_EMAIL" >> .env
+          echo "VITE_DEMO_PASSWORD=$VITE_DEMO_PASSWORD" >> .env
 
       - name: Vercel pull (prod)
         run: npx vercel pull --yes --environment=production --token=$VERCEL_TOKEN
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b5581e79..58584b6d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,8 @@ env:
   VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
   VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
   VITE_API_URL: ${{ secrets.VITE_API_URL }}
+  VITE_DEMO_EMAIL : ${{ secrets.VITE_DEMO_EMAIL }}
+  VITE_DEMO_PASSWORD: ${{ secrets.VITE_DEMO_PASSWORD }}
 
 jobs:
   Test-And-Build:
@@ -88,6 +90,8 @@ jobs:
       - name: Create .env
         run: |
           echo "VITE_API_URL=$VITE_API_URL" > .env
+          echo "VITE_DEMO_EMAIL=$VITE_DEMO_EMAIL" >> .env
+          echo "VITE_DEMO_PASSWORD=$VITE_DEMO_PASSWORD" >> .env
           
       - name: Run build
         run: npm run build
@@ -104,6 +108,8 @@ jobs:
       - name: Create .env
         run: |
           echo "VITE_API_URL=$VITE_API_URL" > .env
+          echo "VITE_DEMO_EMAIL=$VITE_DEMO_EMAIL" >> .env
+          echo "VITE_DEMO_PASSWORD=$VITE_DEMO_PASSWORD" >> .env
 
       - name: Vercel pull (preview)
         run: npx vercel pull --yes --environment=preview --token=$VERCEL_TOKEN
diff --git a/src/features/auth/pages/LoginPage.tsx b/src/features/auth/pages/LoginPage.tsx
index ed8a12e5..e0fbfeb5 100644
--- a/src/features/auth/pages/LoginPage.tsx
+++ b/src/features/auth/pages/LoginPage.tsx
@@ -1,10 +1,10 @@
-import React, { useState, useContext } from 'react';
+import { useState, useContext, type SyntheticEvent } from 'react';
 import { AuthContext } from '@/AuthContext.ts';
 import { useNavigate } from 'react-router-dom';
-import { login } from '../api/auth.api.ts';
 import { useAuthedClient } from '@shared/hooks/useAuthClient.ts';
 import AuthShell from '@features/auth/components/AuthShell.tsx';
 import { useAlertStore } from '@shared/store/useAlertStore.ts';
+import { login } from '@features/auth/api/auth.api.ts';
 
 export default function LoginPage() {
   const { setToken } = useContext(AuthContext);
@@ -14,12 +14,7 @@ export default function LoginPage() {
 
   const openAlertModal = useAlertStore((s) => s.action.openAlertModal);
 
-  const onSubmit = async (e: React.FormEvent) => {
-    e.preventDefault();
-    setSubmitting(true); // 중복 클릭을 방지
-    const form = new FormData(e.target as HTMLFormElement);
-    const email = String(form.get('email') || ''); // 비어 있으면 공백 문자열
-    const password = String(form.get('password') || '');
+  const fetchLogin = async (email: string, password: string) => {
     try {
       const result = await login({ email, password }, client); // 서버에서 accessToken을 받기
       setToken(result.accessToken, result.refreshToken);
@@ -35,6 +30,26 @@ export default function LoginPage() {
     }
   };
 
+  const demoLogin = async () => {
+    setSubmitting(true);
+
+    const email = import.meta.env.VITE_DEMO_EMAIL as string;
+    const password = import.meta.env.VITE_DEMO_PASSWORD as string;
+    await fetchLogin(email, password);
+  };
+
+  const onSubmit = async (e: SyntheticEvent<HTMLFormElement, SubmitEvent>) => {
+    e.preventDefault();
+
+    setSubmitting(true);
+    const form = new FormData(e.target as HTMLFormElement);
+
+    const email = String(form.get('email') || ''); // 비어 있으면 공백 문자열
+    const password = String(form.get('password') || '');
+
+    await fetchLogin(email, password);
+  };
+
   return (
     <AuthShell
       caption={
@@ -47,9 +62,7 @@ export default function LoginPage() {
     >
       <div className="md:-translate-x-8">
         <form onSubmit={onSubmit} className="flex w-full flex-col gap-8">
-          {/* 입력 필드 그룹 */}
           <div className="flex flex-col gap-8 sm:gap-10">
-            {/* 이메일 */}
             <div className="flex flex-col gap-3">
               <label htmlFor="email" className="text-m text-jd-black block font-semibold">
                 계정 이메일
@@ -77,7 +90,6 @@ export default function LoginPage() {
               </div>
             </div>
 
-            {/* 비밀번호 */}
             <div className="flex flex-col gap-3">
               <label htmlFor="password" className="text-m text-jd-black block font-semibold">
                 비밀번호
@@ -116,21 +128,31 @@ export default function LoginPage() {
             </div>
           </div>
 
-          {/* 로그인 버튼 */}
-          <button
-            type="submit"
-            disabled={submitting}
-            className="relative z-10 h-[44px] w-full !rounded-[15px] !bg-[#F7A534] [background-image:none] !text-white opacity-100 shadow-[0_4px_12px_rgba(247,165,52,.25)] transition hover:brightness-[1.05] active:brightness-95"
-          >
-            <span
-              className="login-btn-text text-[17px] font-semibold"
-              style={{ fontVariationSettings: "'wght' 800" }}
+          <div className="flex flex-col gap-2">
+            <button
+              type="submit"
+              disabled={submitting}
+              className="relative z-10 h-[44px] w-full !rounded-[15px] !bg-[#F7A534] [background-image:none] !text-white opacity-100 shadow-[0_4px_12px_rgba(247,165,52,.25)] transition hover:brightness-[1.05] active:brightness-95"
             >
-              {submitting ? '로그인 중...' : '로그인'}
-            </span>
-          </button>
+              <span
+                className="login-btn-text text-[17px] font-semibold"
+                style={{ fontVariationSettings: "'wght' 800" }}
+              >
+                {submitting ? '로그인 중...' : '로그인'}
+              </span>
+            </button>
+            <button
+              type="button"
+              onClick={demoLogin}
+              disabled={submitting}
+              className="!bg-jd-gray-dark relative z-10 h-[44px] w-full !rounded-[15px] [background-image:none] !text-white opacity-100 shadow-[0_4px_12px_rgba(247,165,52,.25)] transition hover:brightness-[1.05] active:brightness-95"
+            >
+              <span className="login-btn-text text-[17px] font-medium">
+                {submitting ? '로그인 중...' : '데모 계정 로그인'}
+              </span>
+            </button>
+          </div>
 
-          {/* 하단 링크 */}
           <div className="mt-[-20px] text-center text-sm text-[#413F3F]">
             <button
               type="button"
diff --git a/src/features/dashboard/DetailSection.tsx b/src/features/dashboard/DetailSection.tsx
index 1347f957..838f0681 100644
--- a/src/features/dashboard/DetailSection.tsx
+++ b/src/features/dashboard/DetailSection.tsx
@@ -21,7 +21,6 @@ export default function DetailSection() {
         title={'이번 주 캘린더'}
         description={'주간 일정 개요'}
         className="jd-LongViewContainerCard-RWD-full"
-        detailUrl={'#'}
       >
         <WeekendContainer />
       </LongViewContainer>
diff --git a/src/features/dashboard/components/TimeSlot.tsx b/src/features/dashboard/components/TimeSlot.tsx
index 2852d6a9..0db0b567 100644
--- a/src/features/dashboard/components/TimeSlot.tsx
+++ b/src/features/dashboard/components/TimeSlot.tsx
@@ -55,7 +55,7 @@ export default function TimeSlot({ time, title, type = 'INTERVIEW' }: TimeSlotPr
           ) : (
             <p>
               <span className="inline-block w-max">[{title}]</span>
-              접수 마감
+              공고 마감
             </p>
           )}
         </div>
diff --git a/src/features/dashboard/container/LongViewContainer.tsx b/src/features/dashboard/container/LongViewContainer.tsx
index 3bac7998..5ac143c7 100644
--- a/src/features/dashboard/container/LongViewContainer.tsx
+++ b/src/features/dashboard/container/LongViewContainer.tsx
@@ -11,7 +11,7 @@ export default function LongViewContainer({
 }: {
   title: string;
   description: string;
-  detailUrl: string;
+  detailUrl?: string;
   className?: string;
   children: ReactNode;
 }) {
@@ -22,7 +22,7 @@ export default function LongViewContainer({
         className
       )}
     >
-      <DetailButton className="mb-[15px]" url={detailUrl} />
+      {detailUrl && <DetailButton className="mb-[15px]" url={detailUrl} />}
       <section className="mb-[15px] flex flex-col">
         <h2 className="text-jd-black font-bold">{title}</h2>
         <p className="text-jd-gray-dark text-sm">{description}</p>
diff --git a/src/lib/utils/authRequest.ts b/src/lib/utils/authRequest.ts
index 695eb4d7..62067ea1 100644
--- a/src/lib/utils/authRequest.ts
+++ b/src/lib/utils/authRequest.ts
@@ -96,6 +96,7 @@ export async function authRequest<T>(
   } catch (err: any) {
     if (err.name === 'AbortError') return null;
     console.error(err.message ?? err);
+    setToken('', '');
     throw err;
   }
 }