- generic [ref=e2]:
  - complementary [ref=e3]:
    - generic [ref=e4]:
      - generic [ref=e7]: H
      - button [ref=e8] [cursor=pointer]:
        - img [ref=e9]
    - navigation [ref=e11]:
      - list [ref=e12]:
        - listitem [ref=e13]:
          - link [ref=e14] [cursor=pointer]:
            - /url: /
            - img [ref=e15]
        - listitem [ref=e20]:
          - link [ref=e21] [cursor=pointer]:
            - /url: /channels
            - img [ref=e22]
        - listitem [ref=e27]:
          - link [ref=e28] [cursor=pointer]:
            - /url: /videos
            - img [ref=e29]
        - listitem [ref=e32]:
          - link [ref=e33] [cursor=pointer]:
            - /url: /collection
            - img [ref=e34]
        - listitem [ref=e36]:
          - link [ref=e37] [cursor=pointer]:
            - /url: /production
            - img [ref=e38]
        - listitem [ref=e43]:
          - link [ref=e44] [cursor=pointer]:
            - /url: "#"
            - img [ref=e45]
    - button [ref=e51]:
      - img [ref=e52]
  - main [ref=e55]:
    - generic [ref=e56]:
      - generic [ref=e57]:
        - heading "YouTube Video Search" [level=1] [ref=e58]
        - paragraph [ref=e59]: Search YouTube videos using YouTube Data API.
      - generic [ref=e61]:
        - generic [ref=e62]:
          - generic [ref=e63]:
            - generic [ref=e64]: Keyword
            - textbox "Search keyword..." [ref=e65]
          - generic [ref=e66]:
            - generic [ref=e67]: Country
            - generic [ref=e68]:
              - generic [ref=e69]:
                - checkbox "JP" [checked] [ref=e70]
                - text: JP
              - generic [ref=e71]:
                - checkbox "US" [checked] [ref=e72]
                - text: US
              - generic [ref=e73]:
                - checkbox "KR" [ref=e74]
                - text: KR
          - generic [ref=e75]:
            - generic [ref=e76]: Period
            - combobox [ref=e77]:
              - option "Within 1 Day" [selected]
              - option "Within 7 Days"
              - option "Within 10 Days"
              - option "Within 15 Days"
              - option "Within 30 Days"
              - option "전부 (All)"
          - generic [ref=e78]:
            - generic [ref=e79]: Format
            - generic [ref=e80]:
              - generic [ref=e81]:
                - radio "Shorts" [checked] [ref=e82]
                - text: Shorts
              - generic [ref=e83]:
                - radio "Long" [ref=e84]
                - text: Long
          - generic [ref=e85]:
            - generic [ref=e86]: Load Size
            - combobox [ref=e87]:
              - option "20 items"
              - option "50 items" [selected]
              - option "100 items"
        - button "Search" [ref=e89] [cursor=pointer]:
          - img [ref=e90]
          - generic [ref=e93]: Search
      - generic [ref=e95]:
        - button "선택 담기" [ref=e96] [cursor=pointer]:
          - img [ref=e97]
          - text: 선택 담기
        - button "전체 담기" [ref=e100] [cursor=pointer]:
          - img [ref=e101]
          - text: 전체 담기
      - table [ref=e105]:
        - rowgroup [ref=e106]:
          - row "전체 선택 Thumbnail Title Channel Publish Date Performance ▼ Views Subscribers" [ref=e107]:
            - columnheader "전체 선택" [ref=e108]:
              - checkbox "전체 선택" [ref=e109]
            - columnheader "Thumbnail" [ref=e110]
            - columnheader "Title" [ref=e111]
            - columnheader "Channel" [ref=e112]
            - columnheader "Publish Date" [ref=e113]: Publish Date
            - columnheader "Performance ▼" [ref=e114]:
              - text: Performance
              - generic [ref=e115]: ▼
            - columnheader "Views" [ref=e116]: Views
            - columnheader "Subscribers" [ref=e117]: Subscribers
        - rowgroup [ref=e118]:
          - row "Enter search conditions and click Search." [ref=e119]:
            - cell "Enter search conditions and click Search." [ref=e120]