diff --git a/game.js b/game.js
deleted file mode 100644
index d3f2f76..0000000
--- a/game.js
+++ /dev/null
@@ -1,166 +0,0 @@
-function deadEnd1() {
-    document.getElementById('room').innerHTML = '行き止まり';
-    document.getElementById('image').setAttribute('src', 'clickable4.jpg');
-    document.getElementById('door1').removeAttribute('coords');
-    document.getElementById('door2').removeAttribute('coords');
-    document.getElementById('door3').removeAttribute('coords');
-    document.getElementById('back').setAttribute('coords', '231,298,231,330,221,330,241,353,261,331,251,331,251,298');
-    document.getElementById('back').setAttribute('onclick', 'back1()');
-}
-
-function deadEnd2() {
-    document.getElementById('room').innerHTML = '行き止まり';
-    document.getElementById('image').setAttribute('src', 'clickable4.jpg');
-    document.getElementById('door1').removeAttribute('coords');
-    document.getElementById('door2').removeAttribute('coords');
-    document.getElementById('door3').removeAttribute('coords');
-    document.getElementById('back').setAttribute('onclick', 'back2()');
-}
-
-function deadEnd3() {
-    document.getElementById('room').innerHTML = '行き止まり';
-    document.getElementById('image').setAttribute('src', 'clickable4.jpg');
-    document.getElementById('door1').removeAttribute('coords');
-    document.getElementById('door2').removeAttribute('coords');
-    document.getElementById('door3').removeAttribute('coords');
-    document.getElementById('back').setAttribute('onclick', 'back3()');
-}
-
-function deadEndNazo2() {
-    document.getElementById('room').innerHTML = '行き止まり';
-    document.getElementById('image').setAttribute('src', 'nazo-memo1.png');
-    document.getElementById('nazo').setAttribute('href', 'nazo1.png');
-    document.getElementById('nazo').setAttribute('data-lightbox', 'group');
-    document.getElementById('door1').removeAttribute('coords');
-    document.getElementById('door2').removeAttribute('coords');
-    document.getElementById('door3').removeAttribute('coords');
-    document.getElementById('back').setAttribute('onclick', 'back2()');
-}
-
-function deadEndNazo3() {
-    document.getElementById('room').innerHTML = '行き止まり';
-    document.getElementById('image').setAttribute('src', 'nazo-memo1.png');
-    document.getElementById('nazo').setAttribute('href', 'nazo1.png');
-    document.getElementById('nazo').setAttribute('data-lightbox', 'group');
-    document.getElementById('door1').removeAttribute('coords');
-    document.getElementById('door2').removeAttribute('coords');
-    document.getElementById('door3').removeAttribute('coords');
-    document.getElementById('back').setAttribute('onclick', 'back3()');
-}
-
-function back1() {
-    document.getElementById('room').innerHTML = '1つ目の部屋';
-    document.getElementById('image').setAttribute('src', 'clickable1.jpg');
-    document.getElementById('door1').setAttribute('coords', '104,112,3,60,3,343,103,273');
-    document.getElementById('door1').setAttribute('onclick', 'deadEnd1()');
-    document.getElementById('door2').setAttribute('coords', '215,135,265,241');
-    document.getElementById('door2').setAttribute('onclick', 'deadEnd1()');
-    document.getElementById('door3').setAttribute('coords', '375,112,479,57,478,339,375,271');
-    document.getElementById('door3').setAttribute('onclick', 'back2()');
-    document.getElementById('back').removeAttribute('coords');
-}
-
-function back2() {
-    document.getElementById('room').innerHTML = '2つ目の部屋';
-    document.getElementById('image').setAttribute('src', 'clickable2.jpg');
-    document.getElementById('nazo').removeAttribute('href');
-    document.getElementById('nazo').removeAttribute('data-lightbox');
-    document.getElementById('door1').setAttribute('coords', '104,112,3,60,3,343,103,273');
-    document.getElementById('door1').setAttribute('onclick', 'back3()');
-    document.getElementById('door2').setAttribute('coords', '215,135,265,241');
-    document.getElementById('door2').setAttribute('onclick', 'deadEndNazo2()');
-    document.getElementById('door3').setAttribute('coords', '375,112,479,57,478,339,375,271');
-    document.getElementById('door3').setAttribute('onclick', 'deadEnd2()');
-    document.getElementById('back').setAttribute('coords', '231,298,231,330,221,330,241,353,261,331,251,331,251,298');
-    document.getElementById('back').setAttribute('onclick', 'back1()');
-}
-
-function back3() {
-    document.getElementById('room').innerHTML = '3つ目の部屋';
-    document.getElementById('image').setAttribute('src', 'clickable3.jpg');
-    document.getElementById('nazo').removeAttribute('href');
-    document.getElementById('nazo').removeAttribute('data-lightbox');
-    document.getElementById('door1').setAttribute('coords', '104,112,3,60,3,343,103,273');
-    document.getElementById('door1').setAttribute('onclick', 'success()');
-    document.getElementById('door2').setAttribute('coords', '215,135,265,241');
-    document.getElementById('door2').setAttribute('onclick', 'deadEnd3()');
-    document.getElementById('door3').setAttribute('coords', '375,112,479,57,478,339,375,271');
-    document.getElementById('door3').setAttribute('onclick', 'deadEndNazo3()');
-    document.getElementById('back').setAttribute('onclick', 'back2()');
-}
-
-function success() {
-    document.getElementById('room').innerHTML = '脱出成功!!';
-    document.getElementById('room').setAttribute('class', 'success');
-    document.getElementById('image').removeAttribute('src');
-    document.getElementById('image').removeAttribute('alt');
-    document.getElementById('room').setAttribute('class', 'success');
-    var replay = document.createElement('a');
-    replay.textContent = 'もう一度プレイする';
-    replay.setAttribute('class', 'replay');
-    replay.setAttribute('href', 'home.html');
-    document.getElementById('room').after(replay);
-    var thank = document.createElement('p');
-    thank.textContent = 'Thank you for playing!!';
-    thank.setAttribute('class', 'thank');
-    document.getElementById('room').after(thank);
-}
-
-$(window).on('keydown', function(e) {
-    if(e.keyCode === 37) { // ←
-        focus_prev();
-        return false;
-    }
-    if(e.keyCode === 39) { // →
-        focus_next();
-        return false;
-    }
-});
- 
-// フォーカスを前に移動する
-function focus_prev() {
-    // 現在のフォーカスを取得
-    var currentFocusIndex = $('area').index($(':focus'));
- 
-    if(currentFocusIndex > -1) {
-        for (var i = 0; i < $('area').length; i++) {
-            if(i === currentFocusIndex && i > 0) {
-                $('area').eq(i - 1).focus();
-            }
-        }
-    }
-}
- 
-// フォーカスを次に移動する
-function focus_next() {
-    // 現在のフォーカスを取得
-    var currentFocusIndex = $('area').index($(':focus'));
- 
-    if(currentFocusIndex > -1) {
-        for (var i = 0; i < $('area').length; i++) {
-            if(i === currentFocusIndex && i < $('area').length - 1) {
-                $('area').eq(i + 1).focus();
-            }
-        }
-    } else {
-        $('area').eq(0).focus();
-    }
-}
-
-$(document).ready(function() {
-    $('#door1, #door2').keydown(function(event) {
-        if (event.which === 13) {
-            $('#door1, #door2').click(deadEnd1());
-        }
-    });
-    $('#door3').keydown(function(event) {
-        if (event.which === 13) {
-            $('#door3').click(back2());
-        }
-    });
-    $('#back').keyup(function(event) {
-        if (event.which === 13) {
-            $('#back').click(back1());
-        }
-    });
-});
\ No newline at end of file