diff --git a/app/Http/Controllers/ESign/EsignPublicController.php b/app/Http/Controllers/ESign/EsignPublicController.php
index eb5a35a4..7dffc204 100644
--- a/app/Http/Controllers/ESign/EsignPublicController.php
+++ b/app/Http/Controllers/ESign/EsignPublicController.php
@@ -22,6 +22,30 @@
 
 class EsignPublicController extends Controller
 {
+    // ─── 전자계약 서명 확인 (전화번호 기반) ───
+
+    public function verifyPhone(Request $request)
+    {
+        $phone = preg_replace('/[^0-9]/', '', $request->input('phone', ''));
+
+        if (strlen($phone) < 10) {
+            return back()->withErrors(['phone' => '올바른 전화번호를 입력해 주세요.']);
+        }
+
+        $signer = EsignSigner::withoutGlobalScopes()
+            ->where('phone', $phone)
+            ->whereIn('status', ['pending', 'notified'])
+            ->whereHas('contract', fn ($q) => $q->where('status', 'pending'))
+            ->latest('created_at')
+            ->first();
+
+        if (! $signer) {
+            return back()->withErrors(['phone' => '대기 중인 전자계약이 없습니다.']);
+        }
+
+        return redirect("/esign/sign/{$signer->access_token}");
+    }
+
     // ─── 화면 라우트 ───
 
     public function auth(string $token): View
diff --git a/resources/views/auth/login.blade.php b/resources/views/auth/login.blade.php
index 5a29e2a5..685b46ce 100644
--- a/resources/views/auth/login.blade.php
+++ b/resources/views/auth/login.blade.php
@@ -80,6 +80,34 @@ class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:rin
                     </button>
                 </form>
             </div>
+
+            {{-- 전자계약 서명 바로가기 --}}
+            <div class="w-96 bg-white rounded-lg shadow-xl p-6 mt-4">
+                <h3 class="text-sm font-semibold text-gray-700 mb-3">전자계약 서명하기</h3>
+                <p class="text-xs text-gray-500 mb-3">카카오톡으로 서명 요청을 받으셨나요? 전화번호를 입력하세요.</p>
+
+                @if ($errors->has('phone'))
+                <div class="flex items-center gap-2 p-3 mb-3 bg-red-50 border border-red-200 text-red-700 rounded-lg text-sm">
+                    <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 flex-shrink-0" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+                    </svg>
+                    <span>{{ $errors->first('phone') }}</span>
+                </div>
+                @endif
+
+                <form method="POST" action="{{ route('esign.verify-phone') }}" class="flex gap-2">
+                    @csrf
+                    <input
+                        type="tel"
+                        name="phone"
+                        placeholder="01012345678"
+                        class="flex-1 px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+                    />
+                    <button type="submit" class="px-4 py-2 bg-blue-600 text-white text-sm font-medium rounded-lg hover:bg-blue-700 transition-colors whitespace-nowrap">
+                        확인
+                    </button>
+                </form>
+            </div>
         </div>
     </div>
 </body>
diff --git a/routes/web.php b/routes/web.php
index 00d05035..b8247417 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1583,6 +1583,9 @@
 | SAM E-Sign Public Routes (인증 불필요 - 서명자용)
 |--------------------------------------------------------------------------
 */
+// 전자계약 전화번호 확인 (공개, 비인증)
+Route::post('/esign/verify-phone', [EsignPublicController::class, 'verifyPhone'])->name('esign.verify-phone');
+
 Route::prefix('esign/sign')->group(function () {
     // 화면 라우트
     Route::get('/{token}', [EsignPublicController::class, 'auth'])->name('esign.sign.auth');