diff --git a/frontend/public/index.html b/frontend/public/index.html
index 465b812..fb5115a 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -51,7 +51,15 @@
 
       <div class="header-actions">
         <button id="user-badge" class="ghost-button ghost-button-soft user-chip" type="button"></button>
-        <button id="logout-btn" class="ghost-button icon-button" type="button" title="로그아웃" aria-label="로그아웃">↗</button>
+        <button id="logout-btn" class="ghost-button icon-button" type="button" title="로그아웃" aria-label="로그아웃">
+          <svg viewBox="0 0 24 24" aria-hidden="true">
+            <path d="M15 3h-4a2 2 0 0 0-2 2v3" />
+            <path d="M10 17v2a2 2 0 0 0 2 2h3" />
+            <path d="M21 12H9" />
+            <path d="m16 7 5 5-5 5" />
+            <path d="M3 5h8v14H3z" />
+          </svg>
+        </button>
       </div>
     </header>
 
diff --git a/frontend/public/styles.css b/frontend/public/styles.css
index 5d28bb4..433d46f 100644
--- a/frontend/public/styles.css
+++ b/frontend/public/styles.css
@@ -275,7 +275,16 @@
   width: 34px;
   padding: 0;
   justify-content: center;
-  font-size: 13px;
+}
+
+.icon-button svg {
+  width: 15px;
+  height: 15px;
+  stroke: currentColor;
+  stroke-width: 1.9;
+  fill: none;
+  stroke-linecap: round;
+  stroke-linejoin: round;
 }
 
 .dashboard-main {