diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
index f12c290..d24ffd9 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
@@ -1007,9 +1007,8 @@ fun PiezoMonitoringView(appState: AppState) {
                     .padding(horizontal = 20.dp, vertical = 8.dp)
             )
 
-            // Donut + Bladdy sizing — Charles의 height-aware donutFitSize 채택 [833c110]
-            // - dev 모드: isCompact 기반 고정 dp (scroll 가능)
-            // - non-dev:  donutFitSize 사용 → 화면 높이에 맞춰 자동 축소 (120~240dp cap)
+            // Donut + Bladdy sizing — Charles의 height-aware donutFitSize [833c110]
+            // 우리 UX Phase 1의 의도(Volume 폰트 축소)도 Charles의 24sp로 이미 충족됨.
             val baseDonutSize = if (appState.isDevMode) {
                 if (isCompact) 192.dp else 244.dp
             } else {
@@ -1134,10 +1133,8 @@ fun PiezoMonitoringView(appState: AppState) {
                         disabledContainerColor = Color.Gray.copy(alpha = 0.1f)
                     )
                 ) {
-                    Column(horizontalAlignment = Alignment.CenterHorizontally) {
-                        Text("Voiding/", fontSize = (13 * fontScale).sp, fontWeight = FontWeight.SemiBold, color = MlPrimary)
-                        Text("Catheterization", fontSize = (13 * fontScale).sp, fontWeight = FontWeight.SemiBold, color = MlPrimary)
-                    }
+                    // 단일 라벨로 단순화 — 이전 2줄(Voiding/Catheterization)이 좁은 폭에서 3줄로 깨짐
+                    Text("Voiding", fontSize = (14 * fontScale).sp, fontWeight = FontWeight.SemiBold, color = MlPrimary)
                 }
 
                 // Auto (Spot 진행 중 봉인)
diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
index 216bf8d..7417754 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PlacementGuideView.kt
@@ -176,12 +176,7 @@ fun PlacementGuideView(appState: AppState) {
                     tint = MlPrimary
                 )
             }
-            Text(
-                text = "Sensor Alignment",
-                fontSize = 20.sp,
-                fontWeight = FontWeight.Bold,
-                modifier = Modifier.padding(start = 8.dp)
-            )
+            // 헤더 타이틀 제거 — 본문 큰 타이틀("Sensor Alignment")과 중복되어 시각적 잡음.
             Spacer(modifier = Modifier.weight(1f))
             if (isLocked) {
                 Icon(Icons.Filled.CheckCircle, "Ready", tint = Color(0xFF4CAF50), modifier = Modifier.size(24.dp))
@@ -229,14 +224,14 @@ fun PlacementGuideView(appState: AppState) {
                 }
             }
 
-            // ── 큰 타이틀 "Sensor Alignment" 38sp ExtraBold 검정 (Maximum Bladder Capacity 톤 통일) ──
+            // 타이틀 — 28sp Bold (Hint와의 강조 균형. 이전 38sp ExtraBold는 화면을 압도)
             Text(
                 text = "Sensor Alignment",
-                fontSize = 38.sp,
-                fontWeight = FontWeight.ExtraBold,
+                fontSize = 28.sp,
+                fontWeight = FontWeight.Bold,
                 color = Color.Black,
                 textAlign = TextAlign.Center,
-                modifier = Modifier.fillMaxWidth().padding(vertical = 8.dp)
+                modifier = Modifier.fillMaxWidth().padding(vertical = 4.dp)
             )
 
             // ── 가이드 텍스트 (Step 아래, 몸 위) — "pubic bone" 인라인 빨강 ExtraBold 강조 ──