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Expand file tree Collapse file tree Original file line number Diff line number Diff line change 414414 margin : 0 auto;
415415 }
416416}
417+
418+ /* bodyにno-scrollクラスが付与されたときのスタイル */
419+ body .no-scroll {
420+ overflow : hidden;
421+ }
Original file line number Diff line number Diff line change @@ -40,6 +40,32 @@ document.addEventListener("DOMContentLoaded", () => {
4040 link . classList . add ( "active" ) ;
4141 }
4242 } ) ;
43+
44+ // ヘッダー挿入後にハンバーガーメニューのロジックを設定
45+ const navToggle =
46+ document . querySelector ( ".nav-toggle" ) ;
47+ const siteNav = document . querySelector ( ".site-nav" ) ;
48+
49+ if ( navToggle && siteNav ) {
50+ navToggle . addEventListener ( "click" , ( ) => {
51+ navToggle . classList . toggle ( "is-active" ) ;
52+ siteNav . classList . toggle ( "is-open" ) ;
53+ // メニューが開いているときにbodyのスクロールを無効にする
54+ document . body . classList . toggle (
55+ "no-scroll" ,
56+ siteNav . classList . contains ( "is-open" ) ,
57+ ) ;
58+ } ) ;
59+
60+ // メニュー内のリンクをクリックしたらメニューを閉じる
61+ siteNav . querySelectorAll ( "a" ) . forEach ( ( link ) => {
62+ link . addEventListener ( "click" , ( ) => {
63+ navToggle . classList . remove ( "is-active" ) ;
64+ siteNav . classList . remove ( "is-open" ) ;
65+ document . body . classList . remove ( "no-scroll" ) ;
66+ } ) ;
67+ } ) ;
68+ }
4369 } )
4470 . catch ( ( err ) => {
4571 console . error (
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