diff --git a/every-jap-dict/App.tsx b/every-jap-dict/App.tsx
index 1a4e3ca..f5c4493 100755
--- a/every-jap-dict/App.tsx
+++ b/every-jap-dict/App.tsx
@@ -1,50 +1,186 @@
 import { StatusBar } from 'expo-status-bar';
-import { SafeAreaView, StyleSheet, View } from 'react-native';
+import { FlatList, Modal, Pressable, StyleSheet, View } from 'react-native';
+import { SafeAreaView } from 'react-native-safe-area-context';
 
 import { GluestackUIProvider } from '@/components/ui/gluestack-ui-provider';
 import '@/global.css';
 import { useWordbook, WordbookProvider } from './lib/wordbook/context';
 import { Text } from './components/ui/text';
 import { useMemo, useState } from 'react';
-import { languages } from './lib/providers/dictionaries';
+import { jaPack, languages } from './lib/providers/dictionaries';
+import { Input, InputField } from './components/ui/input';
+import { HStack } from './components/ui/hstack';
+import { Button, ButtonText } from './components/ui/button';
+import DictWebView from './components/DictWebView';
+import AdBannerPlaceholder from './components/AdBannerPlaceholder';
 
 function MainScreen() {
   const [q, setQ] = useState('');
-  const [langIdx, setLangIdx] = useState(0);
+  const [query, setQuery] = useState('');
   const [activeId, setActiveId] = useState<string>('');
   const [wordbookOpen, setWordbookOpen] = useState(false);
 
-  const pack = languages[langIdx];
+  const pack = jaPack;
   const providers = pack.providers;
   const canSearch = q.trim().length > 0;
+  const hasQuery = query.trim().length > 0;
 
   const { add, items, remove, clear, loading } = useWordbook();
 
   const urls = useMemo(
     () =>
       providers.reduce<Record<string, string>>((acc, p) => {
-        acc[p.id] = canSearch ? p.buildUrl(q.trim()) : '';
+        acc[p.id] = hasQuery ? p.buildUrl(query.trim()) : '';
         return acc;
       }, {}),
-    [providers, q, canSearch],
+    [providers, query, hasQuery],
   );
 
+  const onSearch = () => {
+    if (!canSearch) return;
+    setQuery(q.trim());
+    setActiveId(providers[0]?.id ?? '');
+  };
+
+  const onSave = () => {
+    if (!canSearch) return;
+    add(q.trim(), pack.code);
+  };
+
+  const onPickWord = (word: string) => {
+    const t = word.trim();
+    setWordbookOpen(false);
+    setQ(t);
+    setQuery(t);
+    setActiveId(providers[0]?.id ?? '');
+  };
+
   return (
-    <SafeAreaView className="flex-1 bg-white">
+    <View className="flex-1">
+      {/* 상단 검색창, 버튼 */}
       <View className="p-4 gap-3">
-        <Text>Hello</Text>
+        {/* 액션 버튼 */}
+        <HStack space="md" className="flex-row">
+          <Button className="flex-1" onPress={() => setWordbookOpen(true)} action="secondary">
+            <ButtonText>단어장 보기</ButtonText>
+          </Button>
+          <Button className="flex-1" onPress={onSave} action="secondary" isDisabled={!canSearch}>
+            <ButtonText>단어장 저장</ButtonText>
+          </Button>
+        </HStack>
+
+        {/* 검색창 */}
+        <HStack space="md" className="flex-row">
+          <Input className="flex-1">
+            <InputField
+              placeholder="검색어를 입력하세요"
+              value={q}
+              onChangeText={setQ}
+              returnKeyType="search"
+              onSubmitEditing={onSearch}
+            />
+          </Input>
+          <Button onPress={onSearch} isDisabled={!canSearch}>
+            <ButtonText>검색</ButtonText>
+          </Button>
+        </HStack>
+      </View>
+
+      {/* 커스텀 탭 헤더 */}
+      <View className="px-4 pb-2">
+        <HStack space="sm" className="flex-row">
+          {providers.map((p) => {
+            const selected = activeId ? activeId === p.id : false;
+            return (
+              <Button
+                className="flex-1"
+                key={p.id}
+                variant={selected ? 'solid' : 'outline'}
+                onPress={() => setActiveId(p.id)}
+                isDisabled={!canSearch}
+              >
+                <ButtonText>{p.label}</ButtonText>
+              </Button>
+            );
+          })}
+        </HStack>
       </View>
-    </SafeAreaView>
+
+      {/* 패널: WebView 모두 마운트 후 토글 */}
+      <View className="flex-1">
+        {!canSearch ? (
+          <View className="flex-1 items-center justify-center">
+            <Text>검색어를 입력하고 [검색]을 눌러주세요</Text>
+          </View>
+        ) : activeId ? (
+          <DictWebView url={urls[activeId]} />
+        ) : (
+          <View className="flex-1 items-center justify-center">
+            <Text>사전을 선택하세요</Text>
+          </View>
+        )}
+      </View>
+
+      <AdBannerPlaceholder />
+
+      <Modal
+        visible={wordbookOpen}
+        animationType="slide"
+        onRequestClose={() => setWordbookOpen(false)}
+      >
+        <View className="flex-1 p-4 gap-3">
+          <View className="flex-row justify-between items-center">
+            <Text className="text-lg font-semibold">단어장</Text>
+            <HStack space="md" className="flex-row">
+              <Button action="negative" onPress={clear}>
+                <ButtonText>전체삭제</ButtonText>
+              </Button>
+              <Button onPress={() => setWordbookOpen(false)}>
+                <ButtonText>닫기</ButtonText>
+              </Button>
+            </HStack>
+          </View>
+
+          {loading ? (
+            <View className="flex-1 items-center justify-center">
+              <Text>불러오는 중...</Text>
+            </View>
+          ) : (
+            <FlatList
+              className="flex-1"
+              data={items}
+              keyExtractor={(x) => x.id}
+              renderItem={({ item }) => (
+                <View className="flex-row justify-between py-3 gap-4">
+                  <Pressable
+                    onPress={() => onPickWord(item.text)}
+                    style={{ flex: 1 }}
+                    className="justify-center items-center"
+                  >
+                    <Text className="text-lg">{item.text}</Text>
+                  </Pressable>
+                  <Button action="secondary" onPress={() => remove(item.id)}>
+                    <ButtonText>삭제</ButtonText>
+                  </Button>
+                </View>
+              )}
+            />
+          )}
+        </View>
+      </Modal>
+    </View>
   );
 }
 
 export default function App() {
   return (
     <GluestackUIProvider mode="light">
-      <StatusBar style="auto" />
-      <WordbookProvider>
-        <MainScreen />
-      </WordbookProvider>
+      <SafeAreaView style={{ flex: 1 }}>
+        <StatusBar style="auto" />
+        <WordbookProvider>
+          <MainScreen />
+        </WordbookProvider>
+      </SafeAreaView>
     </GluestackUIProvider>
   );
 }