diff --git a/SilkReRoad/quiz/mondai.html b/SilkReRoad/quiz/mondai.html
index 930c288..fe5399e 100644
--- a/SilkReRoad/quiz/mondai.html
+++ b/SilkReRoad/quiz/mondai.html
@@ -24,6 +24,8 @@
     </form>
     <button id="prev">前の問題</button>
     <button id="next">次の問題</button>
-  </body>
+    <button id="show">得点を見る</button>
+    <button id="reset">得点をリセット</button>
+   </body>
 </html>
 
diff --git a/SilkReRoad/quiz/mondai.js b/SilkReRoad/quiz/mondai.js
index d8aa7b5..8266ae3 100644
--- a/SilkReRoad/quiz/mondai.js
+++ b/SilkReRoad/quiz/mondai.js
@@ -1,6 +1,8 @@
-function init() {
+async function init() {
     var number = 0;		// Current quiz Number
     var csvquestion;		// Questions read from "quiz.csv"
+    var mykey = "silkreroad-hash";
+    var saveslot=localStorage.getItem(mykey)||"{}";
 
     function prepare(n) {	// Prepare Question Page of Number n
 	var qn = csvquestion[n];
@@ -10,22 +12,46 @@
 	document.forms[0].reset();	// Reset radio buttons
 	document.getElementById("image").setAttribute("src", "image/"+qn.image);
     }
+    function output(message) {
+	var output = document.getElementById("output");
+	output.innerHTML = message;
+    }
+    function saveSlot(p) {
+	let val = JSON.parse(localStorage.getItem(mykey)||"{}");
+	val[p] = "yes";
+	output(JSON.stringify(val));
+	localStorage.setItem(mykey, JSON.stringify(val));
+    }
+    function showScore() {
+	var val = localStorage.getItem(mykey)||"{}"
+	let score = Object.keys(JSON.parse(val)).length
+	//output(score+"点です。"+JSON.stringify(localStorage.getItem(mykey)));
+	var o="val="+val+", score="+score
+	output(o);
+    }
+    function resetScore() {
+	for (let key in localStorage)
+	    if (localStorage.hasOwnProperty(key))
+		localStorage.removeItem(key);
+	output("0点です。");
+    }
     function judge() {
 	var input = document.forms[0].q1.value;
 	var selection = parseInt(input);
 	var q = csvquestion[number];
 	var ans = q.a
-	var output = document.getElementById("output");
-	output.innerHTML = "";
+	var msg;
+	output("");
 	if (input == "") {
 	    alert('ボタンが選択されていません。');
 	    return;
 	} else if (selection == ans) {
-	    output.innerHTML = "正解です: "
+	    msg= "正解です: "
+	    saveSlot(number);
 	} else {
-	    output.innerHTML = "不正解です: ";
+	    msg = "不正解です: ";
 	}
-	output.innerHTML += q["comment"+selection];
+	output(msg+q["comment"+selection]);
     }
     function prev() {
 	number = Math.max(0, number-1);
@@ -35,7 +61,9 @@
 	number = Math.min(number+1, csvquestion.length-1);
 	prepare(number);
     }
-    fetch("./quiz.csv", {method: "GET"}).
+    //https://ja.javascript.info/fetch
+    //csvquestion = new CSV(await (await fetch("quiz.csv")).text(), {header: true}).parse();
+    fetch("./quiz.csv").
 	then(function(resp) {
 	    return resp.text().then(function(text) {
 		csvquestion = new CSV(text, {header: true}).parse();
@@ -45,6 +73,7 @@
     document.getElementById("judge").addEventListener("click", judge);
     document.getElementById("prev").addEventListener("click", prev);
     document.getElementById("next").addEventListener("click", next);
-    // prepare(0);
+    document.getElementById("show").addEventListener("click", showScore);
+    document.getElementById("reset").addEventListener("click", resetScore);
 }
 window.onload = init;