diff --git a/resources/views/esign/create.blade.php b/resources/views/esign/create.blade.php
index 09c7ac1d..b7dc9db8 100644
--- a/resources/views/esign/create.blade.php
+++ b/resources/views/esign/create.blade.php
@@ -580,6 +580,40 @@ className={`w-full text-left px-3 py-2.5 rounded-lg mb-1 transition-colors ${i =
         }));
     };
 
+    // 개발용: 주소/사업자등록번호/상호 랜덤 입력
+    const fillRandomVariables = () => {
+        const addresses = [
+            '서울특별시 강남구 테헤란로 123, 4층',
+            '서울특별시 서초구 서초대로 456, 7층',
+            '경기도 성남시 분당구 판교로 789',
+            '서울특별시 마포구 월드컵북로 54길 12',
+            '인천광역시 연수구 송도과학로 32',
+        ];
+        const bizNos = [
+            '123-45-67890', '234-56-78901', '345-67-89012',
+            '456-78-90123', '567-89-01234',
+        ];
+        const companies = [
+            '(주)테스트컴퍼니', '(주)블루오션', '(주)스마트솔루션',
+            '(주)넥스트웨이브', '(주)그린테크',
+        ];
+        const pick = arr => arr[Math.floor(Math.random() * arr.length)];
+        const labelMap = {
+            '주소': pick(addresses),
+            '사업자등록번호': pick(bizNos),
+            '상호': pick(companies),
+        };
+        setMetadata(prev => {
+            const updated = { ...prev };
+            templateVars.forEach(v => {
+                if (labelMap[v.label] !== undefined) {
+                    updated[v.key] = labelMap[v.label];
+                }
+            });
+            return updated;
+        });
+    };
+
     const fillRandomCounterpart = async () => {
         try {
             const res = await fetch(`/esign/contracts/search-partners?q=`, {
@@ -665,6 +699,20 @@ className={`w-full text-left px-3 py-2.5 rounded-lg mb-1 transition-colors ${i =
             if (hasTemplates) { setStep(2); } else { handleSubmit(); }
         } else if (step === 2) {
             applyTitleDefaults(form.title);
+            // 상대방 이름/전화번호를 계약 변수에 자동 입력
+            setMetadata(prev => {
+                const updated = { ...prev };
+                const labelMap = {
+                    '파트너명': form.counterpart_name,
+                    '전화번호': form.counterpart_phone,
+                };
+                templateVars.forEach(v => {
+                    if (labelMap[v.label] !== undefined && labelMap[v.label] && !updated[v.key]?.trim()) {
+                        updated[v.key] = labelMap[v.label];
+                    }
+                });
+                return updated;
+            });
             setStep(3);
         }
     };
@@ -991,7 +1039,16 @@ className="px-5 py-1.5 bg-blue-600 text-white rounded-md hover:bg-blue-700 text-
                     {templateVars.length > 0 && (
                         <div>
                             <div className="flex items-center justify-between mb-1.5">
-                                <div className="text-[11px] font-medium text-gray-500">직접 입력 항목</div>
+                                <div className="flex items-center gap-1.5">
+                                    <div className="text-[11px] font-medium text-gray-500">직접 입력 항목</div>
+                                    <button type="button" onClick={fillRandomVariables}
+                                            className="p-1 bg-amber-500 hover:bg-amber-600 text-white rounded transition-colors"
+                                            title="주소/사업자등록번호/상호 랜덤 입력 (개발용)">
+                                        <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round">
+                                            <polygon points="13 2 3 14 12 14 11 22 21 10 12 10 13 2"/>
+                                        </svg>
+                                    </button>
+                                </div>
                                 {isCustomerContract ? (
                                     <button type="button" onClick={() => setTenantModalOpen(true)}
                                             className="inline-flex items-center gap-1 px-2.5 py-1 bg-white border border-green-300 text-green-700 rounded-md text-xs font-medium hover:bg-green-50 transition-colors">