diff --git a/app/modules/cupang/templates/cupang/form.html b/app/modules/cupang/templates/cupang/form.html
index 0353798..320145d 100644
--- a/app/modules/cupang/templates/cupang/form.html
+++ b/app/modules/cupang/templates/cupang/form.html
@@ -76,18 +76,21 @@
         </span>
       </div>
 
-      <div class="erp-table-wrap">
+      <div class="erp-table-wrap cpg-lines-scroll">
         <table class="erp-table cpg-lines">
           <thead>
             <tr>
               <th>#</th><th>제품명</th><th>제품코드</th><th>수량</th>
-              <th>입수량</th><th>박스 계산</th><th>라인메모</th><th></th>
+              <th>입수량</th><th>박스 계산</th><th>라인메모</th>
             </tr>
           </thead>
           <tbody id="cpg-lines-body"><!-- JS 렌더 --></tbody>
         </table>
       </div>
-      <button type="button" class="erp-btn erp-btn-outline" id="cpg-add-line">+ 라인 추가</button>
+      <div class="cpg-lines-foot">
+        <button type="button" class="erp-btn erp-btn-outline" id="cpg-add-line">+ 라인 추가</button>
+        <button type="button" class="erp-btn erp-btn-danger" id="cpg-del-line">라인 삭제</button>
+      </div>
     </div>
 
     </div><!-- /cpg-form-2col -->
diff --git a/app/static/cupang.css b/app/static/cupang.css
index 1d654bf..686ea14 100644
--- a/app/static/cupang.css
+++ b/app/static/cupang.css
@@ -75,17 +75,28 @@
 .cpg-form-2col {
   display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-start;
 }
-.cpg-form-head { flex: 1 1 380px; min-width: 0; margin-bottom: 0; }
-.cpg-form-lines { flex: 1 1 520px; min-width: 0; margin-bottom: 0; }
-@media (max-width: 900px) {
-  .cpg-form-head, .cpg-form-lines { flex-basis: 100%; }
+/* 공통 헤더: 너비 450 고정 */
+.cpg-form-head { flex: 0 0 450px; width: 450px; min-width: 0; margin-bottom: 0; }
+/* 품목 라인: 900x900 고정, 내부 스크롤 */
+.cpg-form-lines {
+  flex: 0 0 900px; width: 900px; height: 900px; min-width: 0; margin-bottom: 0;
+  display: flex; flex-direction: column; overflow: hidden;
 }
-/* 저장/취소 — 공통 헤더 카드 하단에 위치(우측 라인 수와 무관) */
-.cpg-form-actions {
-  margin-top: 16px;
+@media (max-width: 1400px) {
+  .cpg-form-lines { flex-basis: auto; width: 100%; }
+}
+@media (max-width: 940px) {
+  .cpg-form-head { flex-basis: 100%; width: 100%; }
+}
+/* 라인 테이블 영역만 스크롤 (footer 는 하단 고정) */
+.cpg-lines-scroll { flex: 1 1 auto; min-height: 0; overflow: auto; }
+.cpg-lines-foot {
+  display: flex; justify-content: flex-end; gap: 8px;
   padding-top: 12px;
-  border-top: 1px solid var(--color-subtle-ash);
 }
+
+/* 저장/취소 — 공통 헤더 카드 하단에 위치(우측 라인 수와 무관) */
+.cpg-form-actions { margin-top: 16px; }
 .cpg-card-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
 .cpg-card-head h2 { font-size: 16px; font-weight: 600; margin: 0; }
 
diff --git a/app/static/cupang.js b/app/static/cupang.js
index 4655df1..f313f5e 100644
--- a/app/static/cupang.js
+++ b/app/static/cupang.js
@@ -75,8 +75,7 @@
       '<td><input class="erp-input cpg-qty" type="number" min="1" /></td>' +
       '<td><input class="erp-input cpg-upb" type="number" min="1" placeholder="입수량" /></td>' +
       '<td><span class="cpg-line-calc">—</span></td>' +
-      '<td><input class="erp-input cpg-memo" type="text" /></td>' +
-      '<td><button type="button" class="erp-btn erp-btn-outline cpg-line-del">✕</button></td>';
+      '<td><input class="erp-input cpg-memo" type="text" /></td>';
 
     var code = data.product_code || "";
     var nameSel = buildNameSelect(code);
@@ -104,7 +103,6 @@
       }
     });
 
-    tr.querySelector(".cpg-line-del").addEventListener("click", function () { tr.remove(); renumber(); });
     tr.querySelector(".cpg-qty").addEventListener("input", function () { recalc(tr); });
     tr.querySelector(".cpg-upb").addEventListener("input", function () { recalc(tr); });
 
@@ -123,6 +121,16 @@
   // 초기 라인
   if (initLines.length) { initLines.forEach(makeRow); } else { makeRow(); }
   document.getElementById("cpg-add-line").addEventListener("click", function () { makeRow(); });
+  // 마지막 라인 삭제 (최소 1줄 유지)
+  var delBtn = document.getElementById("cpg-del-line");
+  if (delBtn) {
+    delBtn.addEventListener("click", function () {
+      var rows = body.querySelectorAll("tr");
+      if (rows.length <= 1) { alert("최소 1개 라인은 필요합니다."); return; }
+      rows[rows.length - 1].remove();
+      renumber();
+    });
+  }
 
   // 제출: 라인 직렬화
   form.addEventListener("submit", function (e) {