diff --git a/index.html b/index.html
index 2b0cf1b..211bcb6 100644
--- a/index.html
+++ b/index.html
@@ -74,7 +74,6 @@
         <section class="panel viewer" id="viewer-block" aria-labelledby="viewer-title">
           <div class="viewer-head">
             <h2 id="viewer-title">교각 3D 뷰</h2>
-            <button id="all-toggle" class="btn" type="button" aria-pressed="false" title="6기를 콘크리트만 한 화면에 (① 형상 생성)">전체 보기</button>
           </div>
           <div id="canvas" class="canvas" aria-label="교각 3D 뷰"></div>
           <div class="viewer-stack viewer-stack-right">
@@ -82,6 +81,7 @@
               <summary>부재 표시 <span id="parts-count" class="panel-state"></span></summary>
               <div id="parts"></div>
             </details>
+            <button id="all-toggle" class="btn" type="button" aria-pressed="false" title="6기를 콘크리트만 한 화면에 (① 형상 생성)">전체 보기</button>
             <div class="views-menu" id="views-menu">
               <button id="views-toggle" class="btn views-toggle" type="button" aria-haspopup="true" aria-expanded="false" aria-controls="views">시점</button>
               <div id="views" class="views views-list" role="group" aria-label="시점" hidden></div>