diff --git a/app/src/main/res/layout/activity_chat_room.xml b/app/src/main/res/layout/activity_chat_room.xml
index 5bf71349..4ac224dd 100644
--- a/app/src/main/res/layout/activity_chat_room.xml
+++ b/app/src/main/res/layout/activity_chat_room.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@color/color_131313">
@@ -11,12 +11,12 @@
         android:id="@+id/iv_background_profile"
         android:layout_width="0dp"
         android:layout_height="0dp"
+        android:contentDescription="@string/a11y_profile_background"
         android:scaleType="centerCrop"
-        app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        android:contentDescription="@string/a11y_profile_background" />
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
 
     <!-- 딤 처리 (activity_character_detail.xml의 view_character_dim 스타일 참조) -->
     <View
@@ -24,10 +24,10 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:background="@color/color_99000000"
-        app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent" />
+        app:layout_constraintTop_toTopOf="parent" />
 
     <!-- 상태바 영역 배경 -->
     <View
@@ -35,74 +35,82 @@
         android:layout_width="0dp"
         android:layout_height="24dp"
         android:background="@android:color/transparent"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent" />
+        app:layout_constraintTop_toTopOf="parent" />
 
     <!-- 헤더 영역 -->
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/header_container"
         android:layout_width="0dp"
         android:layout_height="56dp"
-        android:paddingStart="16dp"
-        android:paddingEnd="16dp"
-        android:paddingTop="8dp"
-        android:paddingBottom="8dp"
         android:background="@android:color/transparent"
-        app:layout_constraintTop_toBottomOf="@id/status_bar_background"
+        android:paddingHorizontal="16dp"
+        android:paddingVertical="8dp"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent">
+        app:layout_constraintTop_toBottomOf="@id/status_bar_background">
 
         <ImageView
             android:id="@+id/iv_back"
             android:layout_width="24dp"
             android:layout_height="24dp"
-            android:src="@drawable/ic_back"
             android:contentDescription="@string/a11y_back"
+            android:src="@drawable/ic_back"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent" />
+            app:layout_constraintTop_toTopOf="parent" />
 
         <ImageView
             android:id="@+id/iv_profile"
             android:layout_width="36dp"
             android:layout_height="36dp"
             android:layout_marginStart="12dp"
-            android:src="@drawable/ic_placeholder_profile"
             android:contentDescription="@string/a11y_profile_image"
+            android:src="@drawable/ic_placeholder_profile"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toEndOf="@id/iv_back"
-            app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent" />
+            app:layout_constraintTop_toTopOf="parent" />
 
-        <TextView
-            android:id="@+id/tv_name"
+        <LinearLayout
             android:layout_width="0dp"
-            android:layout_height="wrap_content"
+            android:layout_height="match_parent"
             android:layout_marginStart="12dp"
-            android:text="Character Name"
-            android:textColor="#FFFFFFFF"
-            android:textSize="16sp"
-            android:maxLines="1"
-            android:ellipsize="end"
-            app:layout_constraintStart_toEndOf="@id/iv_profile"
-            app:layout_constraintTop_toTopOf="@id/iv_profile"
-            app:layout_constraintEnd_toStartOf="@id/tv_character_type_badge" />
-
-        <TextView
-            android:id="@+id/tv_character_type_badge"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginStart="8dp"
-            android:paddingStart="8dp"
-            android:paddingEnd="8dp"
-            android:paddingTop="4dp"
-            android:paddingBottom="4dp"
-            android:text="Clone"
-            android:textColor="#FFFFFFFF"
-            android:textSize="12sp"
-            android:background="@drawable/bg_character_status_clone"
+            android:orientation="vertical"
+            app:layout_constraintBottom_toBottomOf="@+id/iv_profile"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintBottom_toBottomOf="@id/iv_profile" />
+            app:layout_constraintStart_toEndOf="@id/iv_profile"
+            app:layout_constraintTop_toTopOf="@id/iv_profile">
+
+            <TextView
+                android:id="@+id/tv_name"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:ellipsize="end"
+                android:fontFamily="@font/pretendard_bold"
+                android:maxLines="1"
+                android:textColor="#FFFFFFFF"
+                android:textSize="12sp"
+                app:layout_constraintStart_toEndOf="@id/iv_profile"
+                app:layout_constraintTop_toTopOf="@id/iv_profile"
+                tools:text="Character Name" />
+
+            <TextView
+                android:id="@+id/tv_character_type_badge"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:background="@drawable/bg_character_status_clone"
+                android:fontFamily="@font/pretendard_regular"
+                android:paddingHorizontal="4dp"
+                android:paddingVertical="2dp"
+                android:textColor="#FFFFFFFF"
+                android:textSize="10sp"
+                app:layout_constraintBottom_toBottomOf="@id/iv_profile"
+                app:layout_constraintEnd_toEndOf="parent"
+                tools:ignore="SmallSp"
+                tools:text="Clone" />
+        </LinearLayout>
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
@@ -112,24 +120,24 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
-        android:layout_marginEnd="16dp"
         android:layout_marginTop="8dp"
-        android:padding="12dp"
+        android:layout_marginEnd="16dp"
         android:background="@drawable/bg_chat_notice"
-        app:layout_constraintTop_toBottomOf="@id/header_container"
+        android:padding="12dp"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent">
+        app:layout_constraintTop_toBottomOf="@id/header_container">
 
         <ImageView
             android:id="@+id/iv_notice_icon"
             android:layout_width="20dp"
             android:layout_height="20dp"
-            android:src="@android:drawable/ic_dialog_info"
-            app:tint="#FFFFFFFF"
             android:contentDescription="@string/a11y_notice"
+            android:src="@android:drawable/ic_dialog_info"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent" />
+            app:tint="#FFFFFFFF" />
 
         <TextView
             android:id="@+id/tv_notice_message"
@@ -137,24 +145,24 @@
             android:layout_height="wrap_content"
             android:layout_marginStart="8dp"
             android:layout_marginEnd="8dp"
+            android:text="@string/chat_notice_clone"
             android:textColor="#FFFFFFFF"
             android:textSize="12sp"
-            android:text="@string/chat_notice_clone"
-            app:layout_constraintStart_toEndOf="@id/iv_notice_icon"
-            app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintEnd_toStartOf="@id/iv_collapse" />
+            app:layout_constraintEnd_toStartOf="@id/iv_collapse"
+            app:layout_constraintStart_toEndOf="@id/iv_notice_icon"
+            app:layout_constraintTop_toTopOf="parent" />
 
         <ImageView
             android:id="@+id/iv_collapse"
             android:layout_width="20dp"
             android:layout_height="20dp"
-            android:src="@android:drawable/arrow_up_float"
-            app:tint="#FFFFFFFF"
             android:contentDescription="@string/a11y_collapse"
+            android:src="@android:drawable/arrow_up_float"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent" />
+            app:tint="#FFFFFFFF" />
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
@@ -163,54 +171,52 @@
         android:id="@+id/rv_messages"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        android:paddingStart="12dp"
-        android:paddingEnd="12dp"
         android:clipToPadding="false"
-        app:layout_constraintTop_toBottomOf="@id/notice_container"
         app:layout_constraintBottom_toTopOf="@id/input_container"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent" />
+        app:layout_constraintTop_toBottomOf="@id/notice_container" />
 
     <!-- 입력 영역 -->
     <androidx.constraintlayout.widget.ConstraintLayout
         android:id="@+id/input_container"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:padding="12dp"
         android:background="@android:color/transparent"
+        android:padding="12dp"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent">
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent">
 
         <EditText
             android:id="@+id/et_message"
             android:layout_width="0dp"
             android:layout_height="48dp"
             android:layout_marginEnd="8dp"
-            android:paddingStart="16dp"
-            android:paddingEnd="16dp"
+            android:background="@drawable/bg_chat_input"
             android:hint="@string/chat_input_placeholder"
+            android:imeOptions="actionSend|flagNoEnterAction"
+            android:inputType="textMultiLine"
             android:maxLength="200"
             android:maxLines="4"
-            android:background="@drawable/bg_chat_input"
+            android:paddingStart="16dp"
+            android:paddingEnd="16dp"
             android:textColor="#FFFFFFFF"
             android:textColorHint="#80FFFFFF"
-            android:inputType="textMultiLine"
-            android:imeOptions="actionSend|flagNoEnterAction"
-            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toStartOf="@id/iv_send"
-            app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent" />
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
 
         <ImageView
             android:id="@+id/iv_send"
-            android:layout_width="48dp"
-            android:layout_height="48dp"
+            android:layout_width="24dp"
+            android:layout_height="24dp"
+            android:contentDescription="@string/action_send"
             android:src="@drawable/ic_message_send"
-            android:contentDescription="전송"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent" />
+            app:layout_constraintTop_toTopOf="parent" />
 
     </androidx.constraintlayout.widget.ConstraintLayout>