diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReportBottomSheet.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReportBottomSheet.kt
index 6b6a401e..a9f02528 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReportBottomSheet.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/character/comment/CharacterCommentReportBottomSheet.kt
@@ -1,15 +1,18 @@
 package kr.co.vividnext.sodalive.chat.character.comment
 
 import android.os.Bundle
+import android.util.TypedValue
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.Button
 import android.widget.ImageView
-import android.widget.LinearLayout
+import android.widget.RadioButton
+import android.widget.RadioGroup
 import android.widget.TextView
+import androidx.core.content.ContextCompat
+import androidx.core.content.res.ResourcesCompat
 import androidx.core.os.bundleOf
-import androidx.core.view.isVisible
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import kr.co.vividnext.sodalive.R
 
@@ -39,33 +42,48 @@ class CharacterCommentReportBottomSheet : BottomSheetDialogFragment() {
     ): View {
         val view = inflater.inflate(R.layout.dialog_character_comment_report, container, false)
         val tvTitle = view.findViewById<TextView>(R.id.tv_title)
-        val llList = view.findViewById<LinearLayout>(R.id.ll_reason_list)
+        val rgList = view.findViewById<RadioGroup>(R.id.rg_reason_list)
         val btnReport = view.findViewById<Button>(R.id.btn_report)
         val ivClose = view.findViewById<ImageView>(R.id.iv_close)
 
         tvTitle.text = getString(R.string.report_title)
-        btnReport.isEnabled = false
+        setReportEnabled(btnReport, false)
 
         val items = reasons ?: DEFAULT_REASONS
+        val textColor = ContextCompat.getColor(requireContext(), R.color.white)
 
-        // 동적 리스트 구성: 단일 선택
+        // RadioButton 동적 생성 및 단일 선택 처리
         items.forEachIndexed { index, text ->
-            val itemView = inflater.inflate(R.layout.item_report_reason, llList, false)
-            val tvText = itemView.findViewById<TextView>(R.id.tv_reason)
-            val ivCheck = itemView.findViewById<ImageView>(R.id.iv_check)
-            tvText.text = text
-            ivCheck.isVisible = index == selectedIndex
-            itemView.setOnClickListener {
-                selectedIndex = index
-                // 전체를 다시 그릴 정도는 아니므로 자식들만 순회하며 체크 상태 갱신
-                for (i in 0 until llList.childCount) {
-                    val child = llList.getChildAt(i)
-                    val check = child.findViewById<ImageView>(R.id.iv_check)
-                    check?.isVisible = i == selectedIndex
-                }
-                btnReport.isEnabled = true
+            val rb = RadioButton(requireContext()).apply {
+                id = View.generateViewId()
+                tag = index
+                this.text = text
+                // 텍스트 색: 흰색
+                setTextColor(textColor)
+                // 텍스트 크기: 기존 15sp의 1.3배 -> 19.5sp
+                setTextSize(TypedValue.COMPLEX_UNIT_SP, 16f)
+                // 폰트: pretendard_regular
+                try {
+                    typeface = ResourcesCompat.getFont(context, R.font.pretendard_regular)
+                } catch (_: Exception) { /* 폰트 미존재 대비 안전 처리 */ }
+                // 항목 간 간격: 기존 paddingVertical 12dp의 1.3배 -> 15.6dp
+                val vPadPx = (14f * resources.displayMetrics.density).toInt()
+                setPadding(paddingLeft, vPadPx, paddingRight, vPadPx)
+                // 버튼 틴트는 시스템 기본 사용, 필요 시 색상 리소스 적용 가능
+            }
+            // 항목 좌우 여백은 유지, 필요 시 LayoutParams로 마진 조정 가능
+            rgList.addView(rb)
+        }
+
+        rgList.setOnCheckedChangeListener { group, checkedId ->
+            if (checkedId != -1) {
+                val selected = group.findViewById<RadioButton>(checkedId)
+                selectedIndex = (selected.tag as? Int) ?: -1
+                setReportEnabled(btnReport, true)
+            } else {
+                selectedIndex = -1
+                setReportEnabled(btnReport, false)
             }
-            llList.addView(itemView)
         }
 
         ivClose.setOnClickListener { dismiss() }
@@ -80,11 +98,22 @@ class CharacterCommentReportBottomSheet : BottomSheetDialogFragment() {
         return view
     }
 
+    private fun setReportEnabled(button: Button, enabled: Boolean) {
+        button.isEnabled = enabled
+        button.alpha = if (enabled) 1.0f else 0.4f
+    }
+
     companion object {
         private const val ARG_REASONS = "arg_reasons"
 
         private val DEFAULT_REASONS = arrayListOf(
-            "스팸/광고", "욕설/비하", "음란물/불건전", "개인정보 노출", "기타"
+            "원치 않는 상업성 콘텐츠 또는 스팸",
+            "아동 학대",
+            "증오시 표현 또는 노골적인 폭력",
+            "테러 조장",
+            "희롱 또는 괴롭힘",
+            "자살 또는 자해",
+            "잘못된 정보"
         )
 
         fun newInstance(reasons: ArrayList<String>? = null): CharacterCommentReportBottomSheet {
diff --git a/app/src/main/res/layout/dialog_character_comment_report.xml b/app/src/main/res/layout/dialog_character_comment_report.xml
index 7b5da9c2..b89749c6 100644
--- a/app/src/main/res/layout/dialog_character_comment_report.xml
+++ b/app/src/main/res/layout/dialog_character_comment_report.xml
@@ -27,7 +27,7 @@
             android:layout_height="24dp"
             android:layout_alignParentEnd="true"
             android:contentDescription="@null"
-            android:src="@drawable/ic_circle_x_white" />
+            android:src="@drawable/ic_close_white" />
     </RelativeLayout>
 
     <View
@@ -36,8 +36,8 @@
         android:layout_marginTop="12dp"
         android:background="#78909C" />
 
-    <LinearLayout
-        android:id="@+id/ll_reason_list"
+    <RadioGroup
+        android:id="@+id/rg_reason_list"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
@@ -50,6 +50,8 @@
         android:layout_marginTop="16dp"
         android:backgroundTint="@color/color_3bb9f1"
         android:enabled="false"
+        android:fontFamily="@font/pretendard_bold"
         android:text="@string/report_button"
-        android:textColor="@color/white" />
+        android:textColor="@color/white"
+        android:textSize="16sp" />
 </LinearLayout>