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 27995f6..fcbc43b 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
@@ -121,10 +121,12 @@ fun PlacementGuideView(appState: AppState) {
     var sweepLastDetected by remember { mutableIntStateOf(0) }
     var sweepEverSawAll by remember { mutableStateOf(false) }
 
-    // 화면 진입 시 전체 상태 리셋. clinical alignment session 이면 V2, 그 외 V1 자동 강제.
+    // 화면 진입 시 전체 상태 리셋. clinical alignment session (placementFromMonitoring=false +
+    // 활성 ALIGNMENT 세션) 이면 V2, 그 외 (PiezoMonitoring 에서 진입 / 위저드 진입 / 잔여 세션) 는 항상 V1.
     LaunchedEffect(Unit) {
         val sess = com.example.medilightv2android.services.ClinicalSessionStore.currentSession
-        val isClinicalAlign = sess != null &&
+        val isClinicalAlign = !appState.placementFromMonitoring &&
+            sess != null &&
             sess.mode == com.example.medilightv2android.models.SessionMode.ALIGNMENT
         com.example.medilightv2android.managers.GreenZoneConstants.alignmentAlgo =
             if (isClinicalAlign) com.example.medilightv2android.managers.AlignmentAlgo.V2
@@ -232,34 +234,40 @@ fun PlacementGuideView(appState: AppState) {
                 .padding(horizontal = 24.dp),
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
-            // ─── (1) Hint 1 — 시작 전 안내 (칸 상시 유지, "pubic bone" 빨강 강조) ───
-            val hint1Bg = Color(0xFFFFF3E0)
-            val hint1Text = remember(waitingForStart) {
-                if (waitingForStart) buildAnnotatedString {
-                    val full = "Place VesiScan above the pubic bone, then press Start"
-                    val key = "pubic bone"
-                    val idx = full.indexOf(key, ignoreCase = true)
-                    if (idx >= 0) {
-                        append(full.substring(0, idx))
-                        withStyle(SpanStyle(color = Color.Red, fontWeight = FontWeight.ExtraBold)) {
-                            append(full.substring(idx, idx + key.length))
-                        }
-                        append(full.substring(idx + key.length))
-                    } else append(full)
-                } else AnnotatedString(" ")   // 공백 — 칸 높이 유지
+            // ─── (1) Hint 1 — waitingForStart 일 때만 렌더 (빈 칸 자체 숨김) ───
+            if (waitingForStart) {
+                val hint1Bg = Color(0xFFFFF3E0)
+                val hint1Text = remember {
+                    buildAnnotatedString {
+                        val full = "Place VesiScan above the pubic bone, then press Start"
+                        val key = "pubic bone"
+                        val idx = full.indexOf(key, ignoreCase = true)
+                        if (idx >= 0) {
+                            append(full.substring(0, idx))
+                            withStyle(SpanStyle(color = Color.Red, fontWeight = FontWeight.ExtraBold)) {
+                                append(full.substring(idx, idx + key.length))
+                            }
+                            append(full.substring(idx + key.length))
+                        } else append(full)
+                    }
+                }
+                Box(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .background(hint1Bg.copy(alpha = 0.7f), RoundedCornerShape(16.dp))
+                        .padding(horizontal = 20.dp, vertical = 14.dp),
+                    contentAlignment = Alignment.Center   // 상하 중앙 정렬
+                ) {
+                    Text(
+                        text = hint1Text,
+                        fontSize = 26.sp,
+                        fontWeight = FontWeight.Bold,
+                        color = Color.Black,
+                        textAlign = TextAlign.Center,
+                    )
+                }
+                Spacer(modifier = Modifier.height(8.dp))
             }
-            Text(
-                text = hint1Text,
-                fontSize = 26.sp,
-                fontWeight = FontWeight.Bold,
-                color = Color.Black,
-                textAlign = TextAlign.Center,
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .background(hint1Bg.copy(alpha = 0.7f), RoundedCornerShape(16.dp))
-                    .padding(horizontal = 20.dp, vertical = 14.dp)
-            )
-            Spacer(modifier = Modifier.height(8.dp))
             // 타이틀은 top bar 로 이동 (← 옆 절대 가운데) — 본문 중복 제거.
 
             // ── 가이드 텍스트 (Step 아래, 몸 위) — "pubic bone" 인라인 빨강 ExtraBold 강조 ──
@@ -524,20 +532,26 @@ fun PlacementGuideView(appState: AppState) {
 
             Spacer(modifier = Modifier.height(8.dp))
 
-            // ─── (5) Hint 2 — 측정 중 방향 안내 (waitingForStart 시 공백, pubic bone 중복 X) ───
-            Text(
-                text = if (waitingForStart) AnnotatedString(" ") else displayHint,
-                fontSize = 28.sp,
-                fontWeight = FontWeight.Bold,
-                color = Color.Black,
-                textAlign = TextAlign.Center,
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .background(hintBg.copy(alpha = 0.7f), RoundedCornerShape(16.dp))
-                    .padding(horizontal = 20.dp, vertical = 14.dp)
-            )
-
-            Spacer(modifier = Modifier.height(8.dp))
+            // ─── (5) Hint 2 — 측정 중 방향 안내 (waitingForStart 또는 빈 텍스트면 칸 자체 숨김) ───
+            val hint2Visible = !waitingForStart && displayHint.text.isNotBlank()
+            if (hint2Visible) {
+                Box(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .background(hintBg.copy(alpha = 0.7f), RoundedCornerShape(16.dp))
+                        .padding(horizontal = 20.dp, vertical = 14.dp),
+                    contentAlignment = Alignment.Center
+                ) {
+                    Text(
+                        text = displayHint,
+                        fontSize = 28.sp,
+                        fontWeight = FontWeight.Bold,
+                        color = Color.Black,
+                        textAlign = TextAlign.Center,
+                    )
+                }
+                Spacer(modifier = Modifier.height(8.dp))
+            }
 
             // 채널 dot row (개발자 모드에서만 표시)
             if (appState.isDevMode) {