diff --git a/app/modules/cupang/templates/cupang/form.html b/app/modules/cupang/templates/cupang/form.html
index 75505b2..f087929 100644
--- a/app/modules/cupang/templates/cupang/form.html
+++ b/app/modules/cupang/templates/cupang/form.html
@@ -83,7 +83,7 @@
 
     </div><!-- /cpg-form-2col -->
 
-    <div class="erp-page-actions">
+    <div class="erp-page-actions cpg-form-actions">
       <button type="submit" class="erp-btn erp-btn-primary">저장</button>
       {% if mode == 'edit' %}
       <a class="erp-btn erp-btn-outline" href="/cupang/{{ shipment.id }}">취소</a>
diff --git a/app/static/cupang.css b/app/static/cupang.css
index 81c8737..da6404e 100644
--- a/app/static/cupang.css
+++ b/app/static/cupang.css
@@ -80,6 +80,14 @@
 @media (max-width: 900px) {
   .cpg-form-head, .cpg-form-lines { flex-basis: 100%; }
 }
+/* 저장/취소 — 라인 수와 무관하게 하단 고정(스크롤해도 보임) */
+.cpg-form-actions {
+  position: sticky; bottom: 0; z-index: 5;
+  margin-top: 16px;
+  padding: 12px 4px;
+  background: var(--color-canvas-white);
+  border-top: 1px solid var(--color-subtle-ash);
+}
 .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; }