diff --git a/frontend/src/pages/NewMaterialsPage.css b/frontend/src/pages/NewMaterialsPage.css
index 298c7cf..9f795d8 100644
--- a/frontend/src/pages/NewMaterialsPage.css
+++ b/frontend/src/pages/NewMaterialsPage.css
@@ -312,9 +312,6 @@
   text-transform: uppercase;
   letter-spacing: 0.5px;
   align-items: center;
-  position: sticky;
-  top: 0;
-  z-index: 10;
 }
 
 .detailed-grid-header > div {
@@ -346,10 +343,6 @@
   grid-template-columns: 60px 90px 130px 80px 100px 250px 120px 200px 100px !important;
   padding: 12px 0;
   margin: 0 24px;
-  position: sticky;
-  top: 0;
-  z-index: 10;
-  background: #f9fafb;
 }
 
 .detailed-grid-header.pipe-header > div,
@@ -382,10 +375,6 @@
   grid-template-columns: 60px 90px 150px 80px 100px 200px 120px 120px 200px 100px;
   padding: 12px 0;
   margin: 0 24px;
-  position: sticky;
-  top: 0;
-  z-index: 10;
-  background: #f9fafb;
 }
 
 .detailed-grid-header.special-header > div,
@@ -410,10 +399,6 @@
   grid-template-columns: 60px 90px 130px 80px 100px 250px 120px 200px 100px;
   padding: 12px 0;
   margin: 0 24px;
-  position: sticky;
-  top: 0;
-  z-index: 10;
-  background: #f9fafb;
 }
 
 /* BOLT 전용 행 - 9개 컬럼 */
@@ -460,10 +445,6 @@
   grid-template-columns: 60px 90px 130px 80px 200px 120px 200px 100px;
   padding: 12px 0;
   margin: 0 24px;
-  position: sticky;
-  top: 0;
-  z-index: 10;
-  background: #f9fafb;
 }
 
 /* U-BOLT 전용 행 - 8개 컬럼 */
@@ -512,10 +493,6 @@
   grid-template-columns: 60px 90px 150px 80px 100px 200px 120px 200px 100px;
   padding: 12px 0;
   margin: 0 24px;
-  position: sticky;
-  top: 0;
-  z-index: 10;
-  background: #f9fafb;
 }
 
 /* SUPPORT 전용 행 - 9개 컬럼 */
@@ -557,13 +534,9 @@
 
 /* 플랜지 전용 헤더 - 10개 컬럼 */
 .detailed-grid-header.flange-header {
-  grid-template-columns: 60px 90px 150px 80px 100px 100px 250px 120px 200px 100px;
+  grid-template-columns: 60px 90px 100px 80px 100px 100px 180px 100px 200px 100px;
   padding: 12px 0;
   margin: 0 24px;
-  position: sticky;
-  top: 0;
-  z-index: 10;
-  background: #f9fafb;
 }
 
 .detailed-grid-header.flange-header > div,
@@ -578,7 +551,7 @@
 
 /* 플랜지 전용 행 - 10개 컬럼 */
 .detailed-material-row.flange-row {
-  grid-template-columns: 60px 90px 150px 80px 100px 100px 250px 120px 200px 100px;
+  grid-template-columns: 60px 90px 100px 80px 100px 100px 180px 100px 200px 100px;
   padding: 8px 0;
   margin: 0 24px;
 }
@@ -593,7 +566,7 @@
 
 /* 피팅 전용 헤더 - 10개 컬럼 */
 .detailed-grid-header.fitting-header {
-  grid-template-columns: 60px 90px 200px 80px 80px 100px 250px 120px 200px 100px;
+  grid-template-columns: 60px 90px 180px 80px 80px 100px 180px 100px 200px 100px;
   padding: 12px 0;
   margin: 0 24px;
 }
@@ -610,7 +583,7 @@
 
 /* 피팅 전용 행 - 10개 컬럼 */
 .detailed-material-row.fitting-row {
-  grid-template-columns: 60px 90px 200px 80px 80px 100px 250px 120px 200px 100px;
+  grid-template-columns: 60px 90px 180px 80px 80px 100px 180px 100px 200px 100px;
   padding: 8px 0;
   margin: 0 24px;
 }
@@ -625,7 +598,7 @@
 
 /* 밸브 전용 헤더 - 9개 컬럼 (스케줄 제거, 타입 너비 증가) */
 .detailed-grid-header.valve-header {
-  grid-template-columns: 60px 200px 120px 80px 80px 250px 120px 200px 100px;
+  grid-template-columns: 60px 180px 120px 80px 80px 180px 100px 200px 100px;
   padding: 12px 0;
   margin: 0 24px;
 }
@@ -642,7 +615,7 @@
 
 /* 밸브 전용 행 - 9개 컬럼 (스케줄 제거, 타입 너비 증가) */
 .detailed-material-row.valve-row {
-  grid-template-columns: 60px 200px 120px 80px 80px 250px 120px 200px 100px;
+  grid-template-columns: 60px 180px 120px 80px 80px 180px 100px 200px 100px;
   padding: 8px 0;
   margin: 0 24px;
 }
@@ -657,7 +630,7 @@
 
 /* 가스켓 전용 헤더 - 11개 컬럼 (타입 좁게, 상세내역 넓게, 두께 추가) */
 .detailed-grid-header.gasket-header {
-  grid-template-columns: 60px 90px 120px 80px 80px 120px 250px 80px 120px 200px 100px;
+  grid-template-columns: 60px 90px 100px 80px 80px 120px 200px 80px 100px 200px 100px;
   padding: 12px 0;
   margin: 0 24px;
 }
@@ -674,7 +647,7 @@
 
 /* 가스켓 전용 행 - 11개 컬럼 (타입 좁게, 상세내역 넓게, 두께 추가) */
 .detailed-material-row.gasket-row {
-  grid-template-columns: 60px 90px 120px 80px 80px 120px 250px 80px 120px 200px 100px;
+  grid-template-columns: 60px 90px 100px 80px 80px 120px 200px 80px 100px 200px 100px;
   padding: 8px 0;
   margin: 0 24px;
 }