diff --git a/sites/jagh/jp/or/jagh/index.html b/sites/jagh/jp/or/jagh/index.html
index 3a8ff042b..876a27ca8 100644
--- a/sites/jagh/jp/or/jagh/index.html
+++ b/sites/jagh/jp/or/jagh/index.html
@@ -75,69 +75,6 @@
 							</div>
 						</article>
 					</div>
-					<div>
-						<nav>
-							<ul>
-								<li>
-									<a href="/" rel="noopener noreferrer" title="HOME">
-										<span>
-											HOME
-										</span>
-									</a>
-								</li>
-								<li>
-									<a href="/about" rel="noopener noreferrer" title="Jaghとは">
-										<span>
-											Jaghとは
-										</span>
-										<span>
-										</span>
-									</a>
-								</li>
-								<li>
-									<a href="/meetings" rel="noopener noreferrer" title="学術大会・地方会">
-										<span>
-											学術大会・地方会
-										</span>
-										<span>
-										</span>
-									</a>
-								</li>
-								<li>
-									<a href="/journal" rel="noopener noreferrer" title="学会誌">
-										<span>
-											学会誌
-										</span>
-										<span>
-										</span>
-									</a>
-								</li>
-								<li>
-									<a href="/document" rel="noopener noreferrer" title="ﾆｭｰｽﾚﾀｰ・用語集">
-										<span>
-											ﾆｭｰｽﾚﾀｰ・用語集
-										</span>
-										<span>
-										</span>
-									</a>
-								</li>
-								<li>
-									<a href="/network" rel="noopener noreferrer" title="ネットワーク">
-										<span>
-											ネットワーク
-										</span>
-									</a>
-								</li>
-								<li>
-									<a href="/contact" rel="noopener noreferrer" title="お問い合わせ">
-										<span>
-											お問い合わせ
-										</span>
-									</a>
-								</li>
-							</ul>
-						</nav>
-					</div>
 				</div>
 			</div>
 		</header>