<!DOCTYPE html>
<html lang="ko">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>404 — 문서를 찾을 수 없습니다 | 데이터스케쳐스</title>
  <meta name="description" content="요청하신 위키 문서를 찾을 수 없습니다." />
  
  <link rel="canonical" href="https://data-sketchers.com/wiki/hdfs-default.xml" />
  <meta name="robots" content="noindex, nofollow" />

  <!-- Hreflang (KO/EN + x-default) — 대안 언어는 koUrl/enUrl(없으면 생략) -->
  <link rel="alternate" hreflang="ko" href="https://data-sketchers.com/wiki/hdfs-default.xml" />
  <link rel="alternate" hreflang="en" href="https://data-sketchers.com/en/wiki/hdfs-default.xml" />
  <link rel="alternate" hreflang="x-default" href="https://data-sketchers.com/wiki/hdfs-default.xml" />

  <!-- Open Graph -->
  <meta property="og:type" content="website" />
  <meta property="og:site_name" content="DataSketchers" />
  <meta property="og:title" content="404 — 문서를 찾을 수 없습니다 | 데이터스케쳐스" />
  <meta property="og:description" content="요청하신 위키 문서를 찾을 수 없습니다." />
  <meta property="og:url" content="https://data-sketchers.com/wiki/hdfs-default.xml" />
  <meta property="og:image" content="https://data-sketchers.com/assets/logo-black.png" />
  <meta property="og:image:width" content="2172" />
  <meta property="og:image:height" content="724" />
  <meta property="og:image:alt" content="404 — 문서를 찾을 수 없습니다 | 데이터스케쳐스" />
  <meta property="og:locale" content="ko_KR" />
  <meta property="og:locale:alternate" content="en_US" />

  <!-- Twitter -->
  <meta name="twitter:card" content="summary_large_image" />
  <meta name="twitter:title" content="404 — 문서를 찾을 수 없습니다 | 데이터스케쳐스" />
  <meta name="twitter:description" content="요청하신 위키 문서를 찾을 수 없습니다." />
  <meta name="twitter:image" content="https://data-sketchers.com/assets/logo-black.png" />
  <meta name="twitter:image:alt" content="404 — 문서를 찾을 수 없습니다 | 데이터스케쳐스" />

  <!-- Organization JSON-LD — th:inline 금지(파싱 오류): 사이트 url 을 컨트롤러가 organizationJson 으로 주입.
       주입이 없으면 고정 생략(페이지별 통합 시 site/json 주입). -->
  <script type="application/ld+json">{"@context":"https://schema.org","@type":"Organization","name":"DataSketchers","url":"https://data-sketchers.com","logo":"https://data-sketchers.com/assets/logo-black.png","sameAs":["https://github.com/data-sketchers"]}</script>
  <!-- 페이지별 커스텀 JSON-LD (BlogPosting/Article/BreadcrumbList) — 호출측에서 pageJson 통째로 주입 -->
  

  <link rel="icon" type="image/png" href="/assets/favicon.png" />
  <link rel="preconnect" href="https://cdn.jsdelivr.net" />
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css" />
  <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&display=swap" />
  <link rel="stylesheet" href="/ds/tokens.css" />
  <!-- 원본 디자인 시스템 재현 (기존 대비 95%+ 목표) -->
  <link rel="stylesheet" href="/ds/base.css" />
  <link rel="stylesheet" href="/ds/components.css" />
  <link rel="stylesheet" href="/ds/post.css" />
  <link rel="stylesheet" href="/ds/effects.css" />
  <script src="/ds/effects.js" defer></script>
  <script src="/ds/threads.js" defer></script>
</head>
<body>
  <html>
<header id="site-header" class="site-header">
  <div class="site-header__inner">
    <a href="/" class="site-header__logo" aria-label="DataSketchers 홈" data-logo-host>
      <img class="site-header__logo-word" src="/assets/logo-data-sketchers-light-bg.png" alt="" width="153" height="51" style="height:48px;width:auto" />
    </a>
    <nav class="site-header__nav" aria-label="주 메뉴">
      <!-- DB 관리 헤더 메뉴 (site_menu source-of-truth). 항목이 children 을 가지면 서브메뉴 렌더 -->
      <div class="site-header__nav-wrap">
        
        
          <a href="/about" class="site-header__nav-item">회사소개</a>
        
      </div>
      <div class="site-header__nav-wrap">
        
        
          <a href="/blog" class="site-header__nav-item">블로그</a>
        
      </div>
    </nav>
    <div class="site-header__utils">
      <button class="site-header__menu-btn" data-menu-open aria-label="전체 메뉴 열기" aria-expanded="false">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round">
          <line x1="4" y1="8" x2="20" y2="8" /><line x1="4" y1="16" x2="20" y2="16" />
        </svg>
      </button>
    </div>
  </div>
</header>

<!-- 전체 메뉴(햄버거) 풀 스크린 오버레이 — 데스크톱·모바일 모두 동작. hamburger_menu (DB) 기반 -->
<div class="site-menu-overlay" data-menu-overlay aria-hidden="true">
  <div class="site-menu-overlay__scrim" data-menu-close></div>
  <div class="site-menu-overlay__panel" role="dialog" aria-modal="true" aria-label="전체 메뉴">
    <div class="site-menu-overlay__head">
      <a href="/" class="site-menu-overlay__logo" data-menu-close>
        <img src="/assets/logo-data-sketchers-light-bg.png" alt="DataSketchers" width="132" height="44" style="height:36px;width:auto" />
      </a>
      <button class="site-menu-overlay__close" data-menu-close aria-label="전체 메뉴 닫기">
        <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"><line x1="18" y1="6" x2="6" y2="18" /><line x1="6" y1="6" x2="18" y2="18" /></svg>
      </button>
    </div>
    <nav class="site-menu-overlay__nav" aria-label="전체 메뉴 목록">
      <h2 class="site-menu-overlay__title">전체 메뉴</h2>
      <div class="site-menu-overlay__group">
        <a href="/about" class="site-menu-overlay__group-title"
           data-menu-close>회사소개</a>
        
      </div>
      <div class="site-menu-overlay__group">
        <a href="/services" class="site-menu-overlay__group-title"
           data-menu-close>사업영역</a>
        
      </div>
      <div class="site-menu-overlay__group">
        <a href="/products" class="site-menu-overlay__group-title"
           data-menu-close>D-SKET</a>
        <div class="site-menu-overlay__subs">
          <a href="/products/webbuilder"
             class="site-menu-overlay__sub" data-menu-close>웹빌더</a><a href="/products/canvas"
             class="site-menu-overlay__sub" data-menu-close>Canvas</a><a href="/products/events"
             class="site-menu-overlay__sub" data-menu-close>Events</a>
        </div>
      </div>
      <div class="site-menu-overlay__group">
        <a href="/clients" class="site-menu-overlay__group-title"
           data-menu-close>고객사</a>
        
      </div>
      <div class="site-menu-overlay__group">
        <a href="/blog" class="site-menu-overlay__group-title"
           data-menu-close>블로그</a>
        
      </div>
      <div class="site-menu-overlay__group">
        <a href="/" class="site-menu-overlay__group-title"
           data-menu-close>위키</a>
        
      </div>
      <div class="site-menu-overlay__group">
        <a href="/press" class="site-menu-overlay__group-title"
           data-menu-close>보도자료</a>
        
      </div>
      <div class="site-menu-overlay__group">
        <a href="/esg" class="site-menu-overlay__group-title"
           data-menu-close>ESG</a>
        
      </div>
    </nav>
  </div>
</div>
</html>
  <main class="ds-container" style="padding:calc(var(--header-h) + 80px) 0; text-align:center;">
    <h1 style="font-size:5rem;margin:0;color:var(--blue-500)">404</h1>
    <p style="font-size:1.25rem;margin:1rem 0 2rem;">요청하신 위키 문서를 찾을 수 없습니다.</p>
    <a href="/wiki" class="a--primary" style="text-decoration:underline;">위키 홈으로 이동</a>
  </main>
  <html>
<footer class="site-footer--compact" style="background:var(--ds-bg-strong); color:var(--ds-text-on-dark); margin-top:80px;">
  <div class="site-footer--compact__inner">
    <!-- 1줄 블록: 좌측 브랜드 + 우측 링크 가로 나열 -->
    <div style="display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px 32px;">
      <div style="display:flex; align-items:center; gap:16px; flex-wrap:wrap;">
        <img src="/assets/logo-white.png" alt="DataSketchers" style="height:32px; width:auto;" />
        <span style="font-size:13px; color:#b0b0b2; max-width:320px;">AI·데이터·디자인으로 기업의 디지털 전환을 지원합니다. 서울시립대학교 캠퍼스타운 창업기업</span>
      </div>
      <nav style="display:flex; flex-wrap:wrap; gap:8px 24px; font-size:13px;" aria-label="푸터 링크">
        <a href="/about" style="color:#e5e5e6; text-decoration:none;">회사소개</a>
        <a href="/services" style="color:#e5e5e6; text-decoration:none;">사업영역</a>
        <a href="/products" style="color:#e5e5e6; text-decoration:none;">D-SKET</a>
        <a href="/clients" style="color:#e5e5e6; text-decoration:none;">고객사</a>
        <a href="/blog" style="color:#e5e5e6; text-decoration:none;">블로그</a>
        <a href="/" style="color:#e5e5e6; text-decoration:none;">위키</a>
        <a href="/press" style="color:#e5e5e6; text-decoration:none;">보도자료</a>
        <a href="/esg" style="color:#e5e5e6; text-decoration:none;">ESG</a>
        <a href="/contact" style="color:#e5e5e6; text-decoration:none;">문의</a>
      </nav>
    </div>
    <div style="margin-top:28px; padding-top:16px; border-top:1px solid rgba(255,255,255,0.12); display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:13px; color:#8a8a8d;">
      <span>© 데이터스케쳐스. All rights reserved.</span>
      <span>사업자등록번호 349-81-03411</span>
    </div>
  </div>
</footer>
</html>
</body>
</html>
