diff --git a/change.js b/change.js
index f17798a..fd19ec4 100644
--- a/change.js
+++ b/change.js
@@ -1,24 +1,18 @@
 document.addEventListener("DOMContentLoaded", () => {
     var head = document.querySelector("head");
     var newcss;
-    let cssbtn1 = document.getElementById("css1");
+
     let cssbtn2 = document.getElementById("css2");
     let cssbtn3 = document.getElementById("css3");
+    let unlbtn = document.getElementById("unl");
     
-    //function bg1(){
-    cssbtn1.addEventListener("click", (e) => {  
-	if (newcss) return;
-	newcss = document.createElement("link");
-	newcss.rel = "stylesheet";
-	newcss.href = "new1.css";
-	head.appendChild(newcss);	// link要素を追加
-    });
-    /*if(bg2 && bg3){
+    unlbtn.addEventListener("click", (e) => {
+        if (newcss) {
             newcss.remove();
             newcss = null;
-    }*/
-//}
-    //function bg2(){
+        }
+    }); 
+
     cssbtn2.addEventListener("click", (e) => {  
         if (newcss) return;
         newcss = document.createElement("link");
@@ -45,11 +39,4 @@
                     newcss = null;
             }*/
         //}
-        let unlbtn = document.getElementById("unl");
-        unlbtn.addEventListener("click", (e) => {
-            if (newcss) {
-                newcss.remove();
-                newcss = null;
-            }
-        }); 
 });
diff --git a/index.html b/index.html
index e1a0263..11ec58f 100644
--- a/index.html
+++ b/index.html
@@ -119,10 +119,7 @@
         <div class="menu-content">
             <ul>
                 <li>
-                    <p><button type="button" id="unl" class="bg-change">アンロード</button></p>
-                </li>
-                <li>
-                    <p><button type="button" id="css1" class="bg-change">背景1</button></p>
+                    <p><button type="button" id="unl" class="bg-change">背景１</button></p>
                 </li>
                 <li>
                     <p><button type="button" id="css2" class="bg-change">背景2</button></p>
diff --git a/jstrr.css b/jstrr.css
index 81b92f6..7f7c60b 100644
--- a/jstrr.css
+++ b/jstrr.css
@@ -1,6 +1,6 @@
 body {
-  background-color: rgb(30, 220, 241);
-    background-image: url(xmas.png);
+  background-color: rgb(241,89,30);
+    background-image: url(jstrr1.png);
     background-position: center;
     background-repeat: no-repeat;
     background-size: cover;
@@ -126,95 +126,3 @@
 }
 #ranking-table tr.me {background: #fee;}
 .warn {background: #f99;}
-
-
-.menu-btn {
-  position: fixed;
-  top: 10px;
-  right: 10px;
-  display: flex;
-  height: 60px;
-  width: 60px;
-  justify-content: center;
-  align-items: center;
-  z-index: 90;
-  background-color: #59b0ee;
-}
-.menu-btn span,
-.menu-btn span:before,
-.menu-btn span:after {
-  content: '';
-  display: block;
-  height: 3px;
-  width: 25px;
-  border-radius: 3px;
-  background-color: #ffffff;
-  position: absolute;
-}
-.menu-btn span:before {
-  bottom: 8px;
-}
-.menu-btn span:after {
-  top: 8px;
-}
-#menu-btn-check{
-  display: none;
-}
-#menu-btn-check:checked ~ .menu-btn span {
-  background-color: rgba(255, 255, 255, 0);/*メニューオープン時は真ん中の線を透明にする*/
-}
-#menu-btn-check:checked ~ .menu-btn span::before {
-  bottom: 0;
-  transform: rotate(45deg);
-}
-#menu-btn-check:checked ~ .menu-btn span::after {
-  top: 0;
-  transform: rotate(-45deg);
-}
-
-.menu-content ul {
-  padding: 70px 10px 0;
-}
-.menu-content ul li {
-  border-bottom: solid 1px #000;
-  list-style: none;
-}
-.menu-content ul li a {
-  display: block;
-  width: 30%;
-  font-size: 15px;
-  box-sizing: border-box;
-  color:#000;
-  text-decoration: none;
-  padding: 9px 15px 10px 0;
-  position: relative;
-}
-.menu-content ul li a::before {
-  content: "";
-  width: 7px;
-  height: 7px;
-  border-top: solid 2px #000;
-  border-right: solid 2px #000;
-  transform: rotate(45deg);
-  position: absolute;
-  right: 11px;
-  top: 16px;
-}
-.menu-content {
-  width: 30%;
-  height: 100%;
-  position: fixed;
-  top: 0;
-  left: 100%;/*leftの値を変更してメニューを画面外へ*/
-  z-index: 80;
-  background-color: #ffffffc9;
-  transition: all 0.5s;/*アニメーション設定*/
-}
-#menu-btn-check:checked ~ .menu-content {
-  left: 70%;/*メニューを画面内へ*/
-}
-.bg-change{
-  border: none;
-  background: #ffffffc9;
-  padding: 10px 15px;
-}
\ No newline at end of file