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 d5a2bad..5b44941 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
@@ -237,30 +237,31 @@ fun PlacementGuideView(appState: AppState) {
             // Title(top bar) ↔ Hint 1 사이 — 첫 weight spacer (위쪽 빈 공간 균등 분배).
             Spacer(modifier = Modifier.weight(1f))
 
-            // ─── (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)
-                    }
+            // ─── (1) Hint 1 — 박스는 항상 자리(높이 1.5×), 텍스트는 waitingForStart 시만 ───
+            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
-                ) {
+            }
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .heightIn(min = 96.dp)   // 1.5× of current ~64dp natural height
+                    .background(hint1Bg.copy(alpha = 0.7f), RoundedCornerShape(16.dp))
+                    .padding(horizontal = 20.dp, vertical = 14.dp),
+                contentAlignment = Alignment.Center
+            ) {
+                if (waitingForStart) {
                     Text(
                         text = hint1Text,
                         fontSize = 26.sp,
@@ -269,7 +270,6 @@ fun PlacementGuideView(appState: AppState) {
                         textAlign = TextAlign.Center,
                     )
                 }
-                Spacer(modifier = Modifier.height(8.dp))
             }
             // 타이틀은 top bar 로 이동 (← 옆 절대 가운데) — 본문 중복 제거.
 
@@ -532,18 +532,20 @@ fun PlacementGuideView(appState: AppState) {
                 }
             }
 
-            Spacer(modifier = Modifier.height(8.dp))
+            // Step ↔ Hint 2 사이 — weight spacer
+            Spacer(modifier = Modifier.weight(1f))
 
-            // ─── (5) Hint 2 — 측정 중 방향 안내 (waitingForStart 또는 빈 텍스트면 칸 자체 숨김) ───
+            // ─── (5) Hint 2 — 박스는 항상 자리(높이 1.5×), 텍스트는 가시 조건일 때만 ───
             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
-                ) {
+            Box(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .heightIn(min = 102.dp)   // 1.5× of current ~68dp natural height
+                    .background(hintBg.copy(alpha = 0.7f), RoundedCornerShape(16.dp))
+                    .padding(horizontal = 20.dp, vertical = 14.dp),
+                contentAlignment = Alignment.Center
+            ) {
+                if (hint2Visible) {
                     Text(
                         text = displayHint,
                         fontSize = 28.sp,
@@ -552,7 +554,6 @@ fun PlacementGuideView(appState: AppState) {
                         textAlign = TextAlign.Center,
                     )
                 }
-                Spacer(modifier = Modifier.height(8.dp))
             }
 
             // 채널 dot row (개발자 모드에서만 표시)
@@ -1091,8 +1092,8 @@ fun PlacementGuideView(appState: AppState) {
                 )
             }
 
-            // 하단 weight spacer — Skip 아래 빈 공간 (세 번째 분할).
-            Spacer(modifier = Modifier.weight(1f))
+            // 하단 작은 padding 만 (Skip 이 화면 아래 가까이 오도록).
+            Spacer(modifier = Modifier.height(16.dp))
         } // end scrollable Column
 
         // Floating settings overlay (개발자 모드)