Playwright 제거 → DuckDuckGo HTML 검색 전환 + UI 미세 조정

- 테이블링/캐치테이블 검색: Google+Playwright → DuckDuckGo HTML 파싱 (브라우저 불필요)
- 검색 딜레이 5~15초 → 2~5초로 단축
- 프론트엔드: 정보 텍스트 계층 개선 (폰트 크기/색상 조정)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/components/MapView.tsx

@@ -315,16 +315,16 @@ function MapContent({ restaurants, selected, onSelectRestaurant, flyTo, activeCh
               </p>
             )}
             {infoTarget.cuisine_type && (
-              <p className="text-sm text-gray-600">{infoTarget.cuisine_type}</p>
+              <p className="text-xs text-gray-500">{infoTarget.cuisine_type}</p>
             )}
             {infoTarget.address && (
-              <p className="text-xs text-gray-500 mt-1">{infoTarget.address}</p>
+              <p className="text-[11px] text-gray-400 mt-1">{infoTarget.address}</p>
             )}
             {infoTarget.price_range && (
-              <p className="text-xs text-gray-500">{infoTarget.price_range}</p>
+              <p className="text-[11px] text-gray-400">{infoTarget.price_range}</p>
             )}
             {infoTarget.phone && (
-              <p className="text-xs text-gray-500">{infoTarget.phone}</p>
+              <p className="text-[11px] text-gray-400">{infoTarget.phone}</p>
             )}
             <button
               onClick={() => onSelectRestaurant?.(infoTarget)}