style(ui): 전체 화면 폰트 크기 증가

- arena: 전투/결과/랭크 화면 폰트 조정
- front: 메인 화면 폰트 조정
- game: 게임플레이 위젯 전반 폰트 조정 (스킬, 장비, 인벤토리 등)
- hall_of_fame: 명예의 전당 폰트 조정
- new_character: 캐릭터 생성 화면 폰트 조정
- settings: 설정 화면 폰트 조정
- 전반적인 가독성 향상

lib/src/app.dart

@@ -172,7 +172,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
       backgroundColor: Color(0xFFF2E8DC),
       titleTextStyle: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 12,
+        fontSize: 15,
         color: Color(0xFFB8860B),
       ),
     ),
@@ -182,7 +182,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
       foregroundColor: Color(0xFF1F1F28),
       titleTextStyle: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 12,
+        fontSize: 15,
         color: Color(0xFFB8860B),
       ),
     ),
@@ -194,7 +194,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
         textStyle: const TextStyle(
           inherit: false,
           fontFamily: 'PressStart2P',
-          fontSize: 10,
+          fontSize: 14,
           color: Color(0xFF1F1F28),
         ),
       ),
@@ -206,7 +206,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
         textStyle: const TextStyle(
           inherit: false,
           fontFamily: 'PressStart2P',
-          fontSize: 10,
+          fontSize: 14,
           color: Color(0xFFB8860B),
         ),
       ),
@@ -217,7 +217,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
         textStyle: const TextStyle(
           inherit: false,
           fontFamily: 'PressStart2P',
-          fontSize: 10,
+          fontSize: 14,
           color: Color(0xFF4A4458),
         ),
       ),
@@ -226,50 +226,50 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
     textTheme: const TextTheme(
       headlineLarge: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 18,
+        fontSize: 20,
         color: Color(0xFFB8860B),
       ),
       headlineMedium: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 14,
+        fontSize: 16,
         color: Color(0xFFB8860B),
       ),
       headlineSmall: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 12,
+        fontSize: 15,
         color: Color(0xFFB8860B),
       ),
       titleLarge: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 12,
+        fontSize: 15,
         color: Color(0xFF1F1F28),
       ),
       titleMedium: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 10,
+        fontSize: 14,
         color: Color(0xFF1F1F28),
       ),
       titleSmall: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 10,
+        fontSize: 14,
         color: Color(0xFF1F1F28),
       ),
-      bodyLarge: TextStyle(fontSize: 14, color: Color(0xFF1F1F28)),
-      bodyMedium: TextStyle(fontSize: 12, color: Color(0xFF1F1F28)),
-      bodySmall: TextStyle(fontSize: 10, color: Color(0xFF1F1F28)),
+      bodyLarge: TextStyle(fontSize: 18, color: Color(0xFF1F1F28)),
+      bodyMedium: TextStyle(fontSize: 17, color: Color(0xFF1F1F28)),
+      bodySmall: TextStyle(fontSize: 15, color: Color(0xFF1F1F28)),
       labelLarge: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 11,
+        fontSize: 14,
         color: Color(0xFF1F1F28),
       ),
       labelMedium: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 10,
+        fontSize: 14,
         color: Color(0xFF1F1F28),
       ),
       labelSmall: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 8,
+        fontSize: 13,
         color: Color(0xFF1F1F28),
       ),
     ),
@@ -278,7 +278,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
       backgroundColor: Color(0xFFE8DDD0),
       labelStyle: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 10,
+        fontSize: 14,
         color: Color(0xFF1F1F28),
       ),
       side: BorderSide(color: Color(0xFF8B7355)),
@@ -306,7 +306,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
       backgroundColor: Color(0xFF24283B),
       titleTextStyle: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 12,
+        fontSize: 15,
         color: Color(0xFFE0AF68),
       ),
     ),
@@ -316,7 +316,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
       foregroundColor: Color(0xFFC0CAF5),
       titleTextStyle: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 12,
+        fontSize: 15,
         color: Color(0xFFE0AF68),
       ),
     ),
@@ -328,7 +328,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
         textStyle: const TextStyle(
           inherit: false,
           fontFamily: 'PressStart2P',
-          fontSize: 10,
+          fontSize: 14,
           color: Color(0xFFC0CAF5),
         ),
       ),
@@ -340,7 +340,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
         textStyle: const TextStyle(
           inherit: false,
           fontFamily: 'PressStart2P',
-          fontSize: 10,
+          fontSize: 14,
           color: Color(0xFFE0AF68),
         ),
       ),
@@ -351,7 +351,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
         textStyle: const TextStyle(
           inherit: false,
           fontFamily: 'PressStart2P',
-          fontSize: 10,
+          fontSize: 14,
           color: Color(0xFFC0CAF5),
         ),
       ),
@@ -360,50 +360,50 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
     textTheme: const TextTheme(
       headlineLarge: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 18,
+        fontSize: 20,
         color: Color(0xFFE0AF68),
       ),
       headlineMedium: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 14,
+        fontSize: 16,
         color: Color(0xFFE0AF68),
       ),
       headlineSmall: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 12,
+        fontSize: 15,
         color: Color(0xFFE0AF68),
       ),
       titleLarge: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 12,
+        fontSize: 15,
         color: Color(0xFFC0CAF5),
       ),
       titleMedium: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 10,
+        fontSize: 14,
         color: Color(0xFFC0CAF5),
       ),
       titleSmall: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 10,
+        fontSize: 14,
         color: Color(0xFFC0CAF5),
       ),
-      bodyLarge: TextStyle(fontSize: 14, color: Color(0xFFC0CAF5)),
-      bodyMedium: TextStyle(fontSize: 12, color: Color(0xFFC0CAF5)),
-      bodySmall: TextStyle(fontSize: 10, color: Color(0xFFC0CAF5)),
+      bodyLarge: TextStyle(fontSize: 18, color: Color(0xFFC0CAF5)),
+      bodyMedium: TextStyle(fontSize: 17, color: Color(0xFFC0CAF5)),
+      bodySmall: TextStyle(fontSize: 15, color: Color(0xFFC0CAF5)),
       labelLarge: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 11,
+        fontSize: 14,
         color: Color(0xFFC0CAF5),
       ),
       labelMedium: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 10,
+        fontSize: 14,
         color: Color(0xFFC0CAF5),
       ),
       labelSmall: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 8,
+        fontSize: 13,
         color: Color(0xFFC0CAF5),
       ),
     ),
@@ -412,7 +412,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
       backgroundColor: Color(0xFF2A2E3F),
       labelStyle: TextStyle(
         fontFamily: 'PressStart2P',
-        fontSize: 10,
+        fontSize: 14,
         color: Color(0xFFC0CAF5),
       ),
       side: BorderSide(color: Color(0xFF545C7E)),
@@ -637,7 +637,7 @@ class _SplashScreen extends StatelessWidget {
                     'ASCII',
                     style: TextStyle(
                       fontFamily: 'PressStart2P',
-                      fontSize: 20,
+                      fontSize: 22,
                       color: RetroColors.gold,
                       shadows: [
                         Shadow(
@@ -652,7 +652,7 @@ class _SplashScreen extends StatelessWidget {
                     'NEVER DIE',
                     style: TextStyle(
                       fontFamily: 'PressStart2P',
-                      fontSize: 14,
+                      fontSize: 16,
                       color: RetroColors.cream,
                       shadows: [
                         Shadow(color: RetroColors.brown, offset: Offset(1, 1)),