diff --git a/frontend/src/components/KiraAvatar.tsx b/frontend/src/components/KiraAvatar.tsx
index 447d701..f773b9d 100644
--- a/frontend/src/components/KiraAvatar.tsx
+++ b/frontend/src/components/KiraAvatar.tsx
@@ -33,7 +33,7 @@ export default function KiraAvatar(props: Props) {
   const [loadError, setLoadError] = useState(false);
   const [currentExpression, setCurrentExpression] = useState<ExpressionName>('Normal');
 
-  // ── Initialize Live2D ──
+  // Initialize Live2D
   useEffect(() => {
     let mounted = true;
     const container = canvasRef.current;
@@ -51,16 +51,13 @@ export default function KiraAvatar(props: Props) {
         const { Application, Ticker } = await import('pixi.js');
         const { Live2DModel } = await import('pixi-live2d-display/cubism4');
 
-        // Register pixi Ticker so Live2DModel can drive animations
-        // Cast needed due to pixi-live2d-display expecting older Ticker type
         (Live2DModel as any).registerTicker(Ticker as any);
 
-        // Responsive sizing — fill the container, target ~1/3 viewport
         const containerW = container.clientWidth || 400;
-        const size = Math.min(containerW, 500);
+        const containerH = container.clientHeight || 400;
         const app = new Application({
-          width: size,
-          height: size * 1.25,
+          width: containerW,
+          height: containerH,
           antialias: true,
           resolution: Math.min(window.devicePixelRatio || 1, 2),
           backgroundAlpha: 0,
@@ -70,26 +67,23 @@ export default function KiraAvatar(props: Props) {
 
         container.appendChild(app.view as HTMLCanvasElement);
 
-        // Load model with default textures
         const model = await Live2DModel.from('/live2d/models/kira/kira.model3.json', {
           autoInteract: false,
         });
         modelRef.current = model;
 
-        // Fit model in canvas
-        const maxW = size * 0.78;
-        const maxH = size * 1.1;
+        // Fit model to fill the canvas
+        const maxW = containerW * 0.85;
+        const maxH = containerH * 0.85;
         const scale = Math.min(maxW / model.width, maxH / model.height);
         model.scale.set(scale);
-        model.anchor.set(0.5, 0.5);
-        model.position.set(app.screen.width / 2, app.screen.height / 2 + 6);
+        model.anchor.set(0.5, 0.55);
+        model.position.set(app.screen.width / 2, app.screen.height / 2 + 8);
 
         app.stage.addChild(model as any);
 
-        // Fix: prevent pixi v7 isInteractive TypeError with Live2D model
         (model as any).isInteractive = () => false;
 
-        // Store reference to texture_02 for outfit swapping
         try {
           textureRef.current = {
             index: 2,
@@ -99,11 +93,9 @@ export default function KiraAvatar(props: Props) {
 
         if (mounted) setLive2dReady(true);
 
-        // Start idle animation
         try { model.motion('Idle'); } catch { /* no idle */ }
         try { model.expression('Normal'); } catch { /* no expressions */ }
 
-        // Random idle expression changes
         idleExprRef.current = setInterval(() => {
           if (props.isSpeaking) return;
           const expr = IDLE_EXPRESSIONS[Math.floor(Math.random() * IDLE_EXPRESSIONS.length)];
@@ -131,7 +123,7 @@ export default function KiraAvatar(props: Props) {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
-  // ── Lip sync from TTS ──
+  // Lip sync from TTS
   useEffect(() => {
     const model = modelRef.current;
     if (!model || !live2dReady) return;
@@ -164,7 +156,7 @@ export default function KiraAvatar(props: Props) {
     return () => cancelAnimationFrame(lipSyncRef.current);
   }, [props.isSpeaking, live2dReady]);
 
-  // ── Outfit texture swapping ──
+  // Outfit texture swapping
   useEffect(() => {
     const model = modelRef.current;
     if (!model || !live2dReady) return;
@@ -176,12 +168,10 @@ export default function KiraAvatar(props: Props) {
       try {
         const { Assets } = await import('pixi.js');
         const tex = await Assets.load(outfitUrl);
-        // Swap texture slot 2 (clothing layer) in the model's texture array.
-        // The render loop automatically binds WebGL textures from PixiJS textures.
         if ((model as any).textures) {
           (model as any).textures[2] = tex;
         } else {
-          console.warn('[Outfit] cannot swap — no textures array');
+          console.warn('[Outfit] cannot swap - no textures array');
         }
       } catch (e) {
         console.warn('[Outfit] texture swap failed:', e);
@@ -189,111 +179,122 @@ export default function KiraAvatar(props: Props) {
     })();
   }, [props.outfit, live2dReady]);
 
-  // ── Accessory toggle ──
+  // Accessory toggle
   useEffect(() => {
     const model = modelRef.current;
     if (!model || !live2dReady) return;
-
-    // The model has hair clips on texture_01 that could be toggled
-    // For now, the accessory system works on the fallback avatar
   }, [props.accessory, live2dReady]);
 
+  // Inline styles
+  const pulseStyle = `
+    @keyframes listening-pulse {
+      0%, 100% { box-shadow: 0 0 0 0 rgba(248, 113, 113, 0.4); }
+      50% { box-shadow: 0 0 0 12px rgba(248, 113, 113, 0); }
+    }
+    .animate-listening-pulse {
+      animation: listening-pulse 1.5s infinite;
+    }
+  `;
+
   return (
-    <div className="glass-card p-6 flex flex-col items-center w-full" style={{ minHeight: '33vh' }}>
-      {/* Live2D canvas */}
-      <div
-        ref={canvasRef}
-        className={`relative w-full ${live2dReady ? 'block' : 'hidden'}`}
-        style={{ maxWidth: 500, height: '30vh', minHeight: 250 }}
-      />
+    <div className="glass-card flex flex-col items-center w-full overflow-hidden" style={{ minHeight: '33vh' }}>
+      <div className="relative w-full flex-1" style={{ minHeight: 250 }}>
+        <div
+          ref={canvasRef}
+          className="w-full h-full"
+          style={{ display: live2dReady ? 'block' : 'none' }}
+        />
 
-      {/* SVG fallback */}
-      {(!live2dReady || loadError) && (
-        <div className={live2dReady ? 'hidden' : 'block'}>
-          <AnimatedAvatar
-            isSpeaking={props.isSpeaking}
-            isListening={props.isListening}
-            outfit={props.outfit}
-            accessory={props.accessory}
-            onTalkToggle={props.onTalkToggle}
-          />
-        </div>
-      )}
+        {/* SVG fallback when Live2D fails */}
+        {(!live2dReady || loadError) && (
+          <div className="absolute inset-0 flex items-center justify-center">
+            <AnimatedAvatar
+              isSpeaking={props.isSpeaking}
+              isListening={props.isListening}
+              outfit={props.outfit}
+              accessory={props.accessory}
+              onTalkToggle={props.onTalkToggle}
+            />
+          </div>
+        )}
 
-      {/* Loading spinner */}
-      {!live2dReady && !loadError && (
-        <div className="flex flex-col items-center gap-2 py-10">
-          <div className="w-8 h-8 border-3 border-kira-pink border-t-transparent rounded-full animate-spin" />
-          <p className="text-[11px] text-kira-plum/40">loading Kira...</p>
-        </div>
-      )}
+        {/* Loading spinner */}
+        {!live2dReady && !loadError && (
+          <div className="absolute inset-0 flex flex-col items-center justify-center gap-2">
+            <div className="w-8 h-8 border-3 border-kira-pink border-t-transparent rounded-full animate-spin" />
+            <p className="text-[11px] text-kira-plum/40">loading Kira...</p>
+          </div>
+        )}
 
-      {/* Expression indicator + Talk button */}
-      {live2dReady && (
-        <>
-          <div className="mt-1 flex gap-1.5 flex-wrap justify-center">
-            {EXPRESSIONS.map((expr) => (
+        {/* Expression buttons overlay top */}
+        {live2dReady && (
+          <>
+            <div className="absolute top-1 left-0 right-0 flex gap-1 justify-center flex-wrap pointer-events-none">
+              <div className="pointer-events-auto flex gap-1 flex-wrap justify-center">
+                {EXPRESSIONS.map((expr) => (
+                  <button
+                    key={expr}
+                    onClick={() => {
+                      try { modelRef.current?.expression(expr); setCurrentExpression(expr); } catch {}
+                    }}
+                    className={`text-[9px] px-2 py-0.5 rounded-full font-medium transition-all ${
+                      currentExpression === expr
+                        ? 'bg-kira-pink text-white'
+                        : 'bg-white/70 text-kira-plum/40 hover:text-kira-plum/70'
+                    }`}
+                  >
+                    {expr}
+                  </button>
+                ))}
+              </div>
+            </div>
+
+            {/* Talk button overlay bottom-center */}
+            <div className="absolute bottom-2 left-0 right-0 flex justify-center pointer-events-none">
               <button
-                key={expr}
-                onClick={() => {
-                  try { modelRef.current?.expression(expr); setCurrentExpression(expr); } catch {}
-                }}
-                className={`text-[9px] px-2 py-0.5 rounded-full font-medium transition-all ${
-                  currentExpression === expr
-                    ? 'bg-kira-pink text-white'
-                    : 'text-kira-plum/30 hover:text-kira-plum/60'
+                onClick={props.onTalkToggle}
+                className={`pointer-events-auto flex items-center gap-2 px-5 py-2 rounded-full text-sm font-bold transition-all shadow-lg ${
+                  props.isListening
+                    ? 'bg-red-400 text-white scale-105 animate-listening-pulse'
+                    : 'bg-gradient-to-r from-kira-pink to-kira-lav text-white hover:shadow-xl hover:scale-105'
                 }`}
               >
-                {expr}
+                <span className="text-base">{props.isListening ? '⏹️' : '🎤'}</span>
+                {props.isListening ? 'Listening...' : 'Talk to Kira'}
               </button>
-            ))}
-          </div>
+            </div>
 
-          {/* Talk button — mic toggle */}
-          <button
-            onClick={props.onTalkToggle}
-            className={`mt-2 flex items-center gap-2 px-5 py-2 rounded-full text-sm font-bold transition-all ${
-              props.isListening
-                ? 'bg-red-400 text-white shadow-lg scale-105 animate-listening-pulse'
-                : 'bg-gradient-to-r from-kira-pink to-kira-lav text-white hover:shadow-lg hover:scale-105'
-            }`}
-          >
-            <span className="text-base">{props.isListening ? '⏹️' : '🎤'}</span>
-            {props.isListening ? 'Listening...' : 'Talk to Kira'}
-          </button>
-        </>
-      )}
-
-      {/* Status bar */}
-      <div className="mt-2 flex items-center gap-3 text-xs text-kira-plum/40">
-        <span className={`w-2 h-2 rounded-full ${props.isSpeaking ? 'bg-kira-pink animate-pulse' : props.isListening ? 'bg-red-400 animate-pulse' : 'bg-kira-mint'}`} />
-        <span>
-          {props.isSpeaking ? 'speaking...' : props.isListening ? 'listening...' : live2dReady ? 'here with you' : 'loading...'}
-        </span>
+            {/* Status overlay bottom-right */}
+            <div className="absolute bottom-2 right-3 flex items-center gap-2 text-xs text-kira-plum/50 pointer-events-none">
+              <span className={`w-2 h-2 rounded-full ${
+                props.isSpeaking ? 'bg-kira-pink animate-pulse'
+                : props.isListening ? 'bg-red-400 animate-pulse'
+                : 'bg-kira-mint'
+              }`} />
+              <span>
+                {props.isSpeaking ? 'speaking...'
+                : props.isListening ? 'listening...'
+                : 'here with you'}
+              </span>
+            </div>
+          </>
+        )}
       </div>
 
-      <style>{`
-        @keyframes listening-pulse {
-          0%, 100% { box-shadow: 0 0 0 0 rgba(248, 113, 113, 0.4); }
-          50% { box-shadow: 0 0 0 12px rgba(248, 113, 113, 0); }
-        }
-        .animate-listening-pulse {
-          animation: listening-pulse 1.5s infinite;
-        }
-      `}</style>
+      <style>{pulseStyle}</style>
     </div>
   );
 }
 
-// ── Helpers ──
+// Helpers
 
 function loadScript(src: string): Promise<void> {
   return new Promise((resolve, reject) => {
-    if (document.querySelector(`script[src="${src}"]`)) { resolve(); return; }
+    if (document.querySelector('script[src="' + src + '"]')) { resolve(); return; }
     const s = document.createElement('script');
     s.src = src;
     s.onload = () => resolve();
-    s.onerror = () => reject(new Error(`Failed ${src}`));
+    s.onerror = () => reject(new Error('Failed ' + src));
     document.head.appendChild(s);
   });
 }