ログインURLが不正または長時間操作しないままなのでログアウトされました。<br />ブックマークからログイン画面を開きなおすかQRコードから再度ログインを行ってください。<style>#wrapper{display:none;margin:0;width:320px;height:auto;}#msg{margin:0px;padding:10px;background-color:lightgray;text-align:center;}#canvas{width:100%;height:auto;background-color:silver;}.w400 {width:100%;max-width:400px;}.button_m {padding:16px 37px;font-size:16px;}.button_Outline {color:#2D54B7;font-weight:bold;border:2px solid#2D54B7;border-radius:16px;align-items:center;}</style><p class="text_center spacer_m"><button class="w400 button_m button_Outline"type="button">QRログイン</button></p><div id="wrapper"><div id="msg">カメラに接続しています（ブラウザ画面にアクセス許可を求めるメッセージが出たら許可してください）</div><canvas id="canvas"></canvas></div><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script><script src="/js/jsQR.js"></script><script>$('.button_Outline').on('click',function(){$('#wrapper').slideToggle();let video=document.createElement("video");let canvas=document.getElementById("canvas");let ctx=canvas.getContext("2d");let msg=document.getElementById("msg");const userMedia={video:{facingMode:"environment"}};navigator.mediaDevices.getUserMedia(userMedia).then((stream)=>{video.srcObject=stream;video.setAttribute("playsinline",true);video.play();startTick();});function startTick(){msg.innerText="認識中...";if(video.readyState===video.HAVE_ENOUGH_DATA){canvas.height=video.videoHeight;canvas.width=video.videoWidth;ctx.drawImage(video,0,0,canvas.width,canvas.height);var mode=$('h3 span').text();if(mode!='出退勤いずれかの記録方法を下部ボタンより選択してください'){let img=ctx.getImageData(0,0,canvas.width,canvas.height);let code=jsQR(img.data,img.width,img.height,{inversionAttempts:"dontInvert"});if(code){drawRect(code.location);window.location.href='/login/qr/'+code.data+'&m=login';stopPropagation();}else{msg.innerText="QRコードをかざしてください";}}else{msg.innerText="記録方法が選択されていません";}}setTimeout(startTick,100);}function drawRect(location){drawLine(location.topLeftCorner,location.topRightCorner);drawLine(location.topRightCorner,location.bottomRightCorner);drawLine(location.bottomRightCorner,location.bottomLeftCorner);drawLine(location.bottomLeftCorner,location.topLeftCorner);}function drawLine(begin,end){ctx.lineWidth=4;ctx.strokeStyle="#FF3B58";ctx.beginPath();ctx.moveTo(begin.x,begin.y);ctx.lineTo(end.x,end.y);ctx.stroke();}});</script>