diff --git a/apps/web/public/app.js b/apps/web/public/app.js
index 3867935..cb0a221 100644
--- a/apps/web/public/app.js
+++ b/apps/web/public/app.js
@@ -24,11 +24,19 @@ const state = {
     ""
 };
 
+const LOGIN_SESSION_KEY = "cargoRadarLoginReady";
+const LOGIN_NAME_KEY = "cargoRadarLoginName";
+
 const elements = {
+  loginScreen: document.getElementById("loginScreen"),
+  loginForm: document.getElementById("loginForm"),
+  loginNameInput: document.getElementById("loginNameInput"),
+  loginCodeInput: document.getElementById("loginCodeInput"),
   connectionStatus: document.getElementById("connectionStatus"),
   systemClock: document.getElementById("systemClock"),
   refreshButton: document.getElementById("refreshButton"),
   demoButton: document.getElementById("demoButton"),
+  logoutButton: document.getElementById("logoutButton"),
   locationsTab: document.getElementById("locationsTab"),
   driversTab: document.getElementById("driversTab"),
   locationsPanel: document.getElementById("locationsPanel"),
@@ -113,13 +121,20 @@ const VEHICLE_TYPES = {
 };
 
 document.addEventListener("DOMContentLoaded", () => {
+  const sessionReady = initializeLoginState();
   startSystemClock();
   initializeMap();
   bindActions();
+  if (sessionReady) {
+    startDataServices();
+  }
+});
+
+function startDataServices() {
   refreshDrivers();
   refreshLatestLocations();
   connectEvents();
-});
+}
 
 async function initializeMap() {
   const kakaoJavaScriptKey = window.CARGORADAR_CONFIG?.kakaoJavaScriptKey || "";
@@ -247,8 +262,10 @@ function loadScript(id, src) {
 }
 
 function bindActions() {
+  elements.loginForm.addEventListener("submit", submitLoginForm);
   elements.refreshButton.addEventListener("click", refreshLatestLocations);
   elements.demoButton.addEventListener("click", postDemoLocation);
+  elements.logoutButton.addEventListener("click", showLoginScreen);
   elements.locationsTab.addEventListener("click", () => setActiveView("locations"));
   elements.driversTab.addEventListener("click", () => setActiveView("drivers"));
   elements.driverForm.addEventListener("submit", submitDriverForm);
@@ -278,6 +295,63 @@ function bindActions() {
   }
 }
 
+function initializeLoginState() {
+  const sessionReady = window.localStorage.getItem(LOGIN_SESSION_KEY) === "true";
+  const savedName = window.localStorage.getItem(LOGIN_NAME_KEY) || "";
+  elements.loginNameInput.value = savedName;
+
+  if (sessionReady) {
+    hideLoginScreen({ instant: true });
+    return true;
+  }
+
+  showLoginScreen({ instant: true });
+  return false;
+}
+
+function submitLoginForm(event) {
+  event.preventDefault();
+
+  const name = elements.loginNameInput.value.trim();
+  const code = elements.loginCodeInput.value.trim();
+  state.adminToken = code || state.adminToken || "demo";
+
+  window.localStorage.setItem(LOGIN_SESSION_KEY, "true");
+  window.localStorage.setItem(LOGIN_NAME_KEY, name || "관제 담당자");
+  window.localStorage.setItem("cargoRadarAdminToken", state.adminToken);
+  elements.loginCodeInput.value = "";
+  hideLoginScreen();
+  startDataServices();
+}
+
+function showLoginScreen(options = {}) {
+  window.localStorage.removeItem(LOGIN_SESSION_KEY);
+  if (state.eventSource) {
+    state.eventSource.close();
+    state.eventSource = null;
+  }
+  document.body.classList.remove("is-login-closing");
+  document.body.classList.add("is-login-active");
+  if (options.instant) {
+    document.body.classList.add("is-login-ready");
+  }
+  window.setTimeout(() => elements.loginNameInput.focus(), options.instant ? 80 : 220);
+}
+
+function hideLoginScreen(options = {}) {
+  if (options.instant) {
+    document.body.classList.remove("is-login-active", "is-login-closing");
+    document.body.classList.add("is-login-ready");
+    return;
+  }
+
+  document.body.classList.add("is-login-closing");
+  window.setTimeout(() => {
+    document.body.classList.remove("is-login-active", "is-login-closing");
+    document.body.classList.add("is-login-ready");
+  }, 620);
+}
+
 function startSystemClock() {
   const updateClock = () => {
     const now = new Date();
diff --git a/apps/web/public/assets/login-logistics-yard.png b/apps/web/public/assets/login-logistics-yard.png
new file mode 100644
index 0000000..0d707e5
Binary files /dev/null and b/apps/web/public/assets/login-logistics-yard.png differ
diff --git a/apps/web/public/index.html b/apps/web/public/index.html
index 53965d7..4f11aed 100644
--- a/apps/web/public/index.html
+++ b/apps/web/public/index.html
@@ -6,7 +6,43 @@
     <title>CargoRadar 관제</title>
     <link rel="stylesheet" href="/styles.css" />
   </head>
-  <body>
+  <body class="is-login-active">
+    <section id="loginScreen" class="login-screen" aria-label="CargoRadar 로그인">
+      <div class="login-visual" aria-hidden="true"></div>
+      <div class="login-shade" aria-hidden="true"></div>
+      <div class="login-route-line login-route-line-a" aria-hidden="true"></div>
+      <div class="login-route-line login-route-line-b" aria-hidden="true"></div>
+
+      <div class="login-content">
+        <div class="login-copy">
+          <span class="brand-mark login-brand-mark" aria-hidden="true">CR</span>
+          <span class="login-eyebrow">CargoRadar 관제</span>
+          <h1>운송 현장을 한 화면에서 확인합니다</h1>
+          <p>차량 위치, 화물, 도착 시간을 관제 데스크에서 바로 확인할 수 있습니다.</p>
+          <div class="login-signal-list" aria-label="관제 상태">
+            <span>위치 수신</span>
+            <span>화물 추적</span>
+            <span>경로 확인</span>
+          </div>
+        </div>
+
+        <form id="loginForm" class="login-card">
+          <span class="section-eyebrow">접속</span>
+          <strong>관제 데스크 로그인</strong>
+          <label>
+            <span>담당자</span>
+            <input id="loginNameInput" name="name" autocomplete="username" />
+          </label>
+          <label>
+            <span>접속 코드</span>
+            <input id="loginCodeInput" name="code" type="password" autocomplete="current-password" />
+          </label>
+          <button type="submit">관제 시작</button>
+          <small>시범 운영</small>
+        </form>
+      </div>
+    </section>
+
     <div class="app-shell">
       <header class="topbar">
         <div class="brand-lockup">
@@ -43,6 +79,7 @@
             </span>
             테스트 전송
           </button>
+          <button id="logoutButton" class="toolbar-button secondary" type="button">로그아웃</button>
         </div>
       </header>
 
diff --git a/apps/web/public/styles.css b/apps/web/public/styles.css
index a5c7fdc..2c69766 100644
--- a/apps/web/public/styles.css
+++ b/apps/web/public/styles.css
@@ -60,11 +60,302 @@ button:hover {
   background: #f9fbfc;
 }
 
+body.is-login-active {
+  overflow: hidden;
+}
+
+body.is-login-active .app-shell {
+  filter: blur(8px);
+  pointer-events: none;
+  transform: scale(0.985);
+}
+
+.login-screen {
+  position: fixed;
+  inset: 0;
+  z-index: 2000;
+  display: none;
+  min-height: 100%;
+  overflow: hidden;
+  background: #101923;
+  color: #ffffff;
+}
+
+body.is-login-active .login-screen {
+  display: grid;
+  place-items: center;
+}
+
+body.is-login-closing .login-screen {
+  animation: login-screen-out 0.62s ease forwards;
+}
+
+.login-visual,
+.login-shade {
+  position: absolute;
+  inset: 0;
+}
+
+.login-visual {
+  background:
+    url("/assets/login-logistics-yard.png") center / cover no-repeat;
+  transform: scale(1.035);
+  animation: login-photo-settle 8s ease-out forwards;
+}
+
+.login-shade {
+  background:
+    linear-gradient(90deg, rgba(10, 18, 28, 0.78) 0%, rgba(10, 18, 28, 0.5) 46%, rgba(10, 18, 28, 0.42) 100%),
+    linear-gradient(0deg, rgba(9, 16, 24, 0.42), rgba(9, 16, 24, 0.08));
+}
+
+.login-route-line {
+  position: absolute;
+  width: 36vw;
+  height: 1px;
+  background: rgba(255, 255, 255, 0.38);
+  opacity: 0;
+  transform-origin: left center;
+  animation: login-line-pass 3.8s ease-in-out infinite;
+}
+
+.login-route-line::after {
+  position: absolute;
+  top: -3px;
+  right: 0;
+  width: 7px;
+  height: 7px;
+  border-radius: 50%;
+  background: #ffffff;
+  content: "";
+}
+
+.login-route-line-a {
+  --line-angle: -11deg;
+  top: 28%;
+  left: 8%;
+  transform: rotate(-11deg);
+}
+
+.login-route-line-b {
+  --line-angle: 16deg;
+  right: 9%;
+  bottom: 22%;
+  animation-delay: 1.4s;
+  transform: rotate(16deg);
+}
+
+.login-content {
+  position: relative;
+  z-index: 1;
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
+  align-items: end;
+  gap: clamp(28px, 5vw, 72px);
+  width: min(1120px, calc(100% - 56px));
+}
+
+.login-copy {
+  display: grid;
+  gap: 14px;
+  max-width: 610px;
+  padding-bottom: 8px;
+  animation: login-copy-in 0.82s cubic-bezier(0.2, 0.72, 0.2, 1) both;
+}
+
+.login-brand-mark {
+  width: 46px;
+  height: 46px;
+  border-color: rgba(255, 255, 255, 0.2);
+  background: rgba(12, 23, 35, 0.78);
+}
+
+.login-eyebrow {
+  color: rgba(255, 255, 255, 0.72);
+  font-size: 13px;
+  font-weight: 600;
+}
+
+.login-copy h1 {
+  max-width: 640px;
+  margin: 0;
+  color: #ffffff;
+  font-size: clamp(36px, 5vw, 58px);
+  font-weight: 700;
+  line-height: 1.12;
+  word-break: keep-all;
+}
+
+.login-copy p {
+  max-width: 520px;
+  margin: 0;
+  color: rgba(255, 255, 255, 0.78);
+  font-size: 17px;
+  line-height: 1.65;
+  word-break: keep-all;
+}
+
+.login-signal-list {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-top: 4px;
+}
+
+.login-signal-list span {
+  min-height: 30px;
+  padding: 7px 10px;
+  border: 1px solid rgba(255, 255, 255, 0.22);
+  border-radius: 4px;
+  background: rgba(12, 23, 35, 0.42);
+  color: rgba(255, 255, 255, 0.82);
+  font-size: 13px;
+  font-weight: 500;
+}
+
+.login-card {
+  display: grid;
+  gap: 14px;
+  padding: 24px;
+  border: 1px solid rgba(255, 255, 255, 0.18);
+  border-radius: 8px;
+  background: rgba(255, 255, 255, 0.94);
+  box-shadow: 0 18px 54px rgba(5, 13, 22, 0.26);
+  color: var(--text);
+  animation: login-card-in 0.76s 0.14s cubic-bezier(0.2, 0.72, 0.2, 1) both;
+}
+
+.login-card > strong {
+  color: var(--navy);
+  font-size: 22px;
+  line-height: 1.2;
+}
+
+.login-card label {
+  display: grid;
+  gap: 6px;
+}
+
+.login-card label span {
+  color: var(--muted);
+  font-size: 12px;
+  font-weight: 600;
+}
+
+.login-card input {
+  width: 100%;
+  min-height: 42px;
+  padding: 0 11px;
+  border: 1px solid #cbd5df;
+  border-radius: 5px;
+  background: #ffffff;
+  color: var(--text);
+  font: inherit;
+}
+
+.login-card input:focus {
+  border-color: #174ea6;
+  outline: 3px solid rgba(23, 78, 166, 0.16);
+}
+
+.login-card button {
+  min-height: 44px;
+  margin-top: 2px;
+  border-color: #174ea6;
+  border-radius: 5px;
+  background: #174ea6;
+  color: #ffffff;
+  font-weight: 600;
+}
+
+.login-card button:hover {
+  border-color: #123f86;
+  background: #123f86;
+}
+
+.login-card small {
+  color: var(--muted);
+  font-size: 12px;
+}
+
+@keyframes login-photo-settle {
+  from {
+    transform: scale(1.07) translateX(-1.4%);
+  }
+
+  to {
+    transform: scale(1.015) translateX(0);
+  }
+}
+
+@keyframes login-copy-in {
+  from {
+    opacity: 0;
+    transform: translateY(18px);
+  }
+
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes login-card-in {
+  from {
+    opacity: 0;
+    transform: translateY(22px);
+  }
+
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes login-line-pass {
+  0% {
+    opacity: 0;
+    transform: translateX(-28px) rotate(var(--line-angle, 0deg));
+  }
+
+  28%,
+  68% {
+    opacity: 0.7;
+  }
+
+  100% {
+    opacity: 0;
+    transform: translateX(44px) rotate(var(--line-angle, 0deg));
+  }
+}
+
+@keyframes login-screen-out {
+  to {
+    opacity: 0;
+    transform: scale(1.02);
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .login-visual,
+  .login-route-line,
+  .login-copy,
+  .login-card,
+  body.is-login-closing .login-screen {
+    animation: none;
+  }
+
+  .app-shell {
+    transition: none;
+  }
+}
+
 .app-shell {
   display: grid;
   grid-template-rows: 64px minmax(0, 1fr);
   width: 100%;
   height: 100%;
+  transition: filter 0.42s ease, transform 0.42s ease;
 }
 
 .topbar {
@@ -144,6 +435,10 @@ button:hover {
   padding: 0 11px;
 }
 
+.toolbar-button.secondary {
+  color: var(--muted);
+}
+
 .button-icon,
 .button-icon svg {
   display: block;
@@ -1508,6 +1803,30 @@ button:hover {
 }
 
 @media (max-width: 860px) {
+  .login-content {
+    align-content: center;
+    grid-template-columns: 1fr;
+    gap: 24px;
+    width: min(520px, calc(100% - 32px));
+  }
+
+  .login-copy {
+    gap: 10px;
+    padding-bottom: 0;
+  }
+
+  .login-copy h1 {
+    font-size: clamp(30px, 9vw, 42px);
+  }
+
+  .login-copy p {
+    font-size: 15px;
+  }
+
+  .login-card {
+    padding: 20px;
+  }
+
   .app-shell {
     grid-template-rows: auto minmax(0, 1fr);
   }
@@ -1593,6 +1912,33 @@ button:hover {
 }
 
 @media (max-width: 560px) {
+  .login-screen {
+    overflow: auto;
+  }
+
+  .login-content {
+    min-height: 100%;
+    padding: 26px 0;
+  }
+
+  .login-brand-mark {
+    width: 40px;
+    height: 40px;
+  }
+
+  .login-copy h1 {
+    font-size: 30px;
+  }
+
+  .login-signal-list {
+    gap: 6px;
+  }
+
+  .login-signal-list span {
+    min-height: 28px;
+    font-size: 12px;
+  }
+
   .workspace {
     grid-template-rows: minmax(300px, 42vh) minmax(0, 1fr);
   }