:root{
  color-scheme:dark;
  --bg:#070707;
  --panel:#0b0b0b;
  --panel2:#101010;
  --line:#303030;
  --text:#f5f5f3;
  --muted:#aaaaa6;
  --ok:#e2e2df;
  --bad:#f5f5f3;
  --primary:#f3f3f0;
  --primaryText:#070707;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Helvetica Neue","Yu Gothic",Meiryo,sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
button,input,textarea,select{font:inherit}
button{touch-action:manipulation}
.wrap{max-width:860px;margin:0 auto;padding:20px}
.top{
  position:sticky;top:0;z-index:5;background:#070707f5;
  backdrop-filter:blur(12px);border-bottom:1px solid #292929;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:16px 4px;margin-bottom:20px;
}
.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:24px;margin:18px 0;
}
.login{max-width:470px;margin:8vh auto}
.brand{font-size:19px;font-weight:780;letter-spacing:.11em;line-height:1.5}
.panel strong,.panel summary strong{font-weight:720;font-size:18px;line-height:1.5}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.grow{flex:1}.topgap{margin-top:12px}
.input,.btn{
  border:1px solid #50504e;background:#111111;color:var(--text);
  border-radius:8px;padding:13px 15px;
  line-height:1.5;min-height:48px;
  transition:border-color .15s ease,background-color .15s ease;
}
.input{
  width:100%;margin-top:12px;font-size:16px;
}
.input::placeholder{color:#9f9f9b;opacity:1}
.input:focus-visible,.btn:focus-visible,summary:focus-visible{
  outline:2px solid #efefeb;outline-offset:3px;border-color:#efefeb;
}
.btn{cursor:pointer;font-size:15px;font-weight:650;letter-spacing:.015em}
.btn:hover{background:#222}
.btn:disabled{cursor:not-allowed;opacity:.5}
.primary{
  background:var(--primary);border-color:var(--primary);color:var(--primaryText);
  font-weight:750;
}
.primary:hover{background:#dadad6;border-color:#dadad6}
.small{font-size:13px;min-height:40px;padding:8px 13px}
.full{width:100%;margin-top:18px;min-height:54px}
.muted{color:var(--muted);font-size:13px;line-height:1.85}
.message{margin-top:12px;font-size:14px;line-height:1.8;white-space:pre-wrap}
.hide{display:none!important}
.ok{color:var(--ok);font-weight:650}
.bad{color:var(--bad);font-weight:650;text-decoration:underline;text-decoration-style:dotted;text-underline-offset:4px}
.message.bad{border-left:2px solid #e5e5df;padding-left:10px}
.case{
  border:1px solid #363636;background:var(--panel2);
  border-radius:10px;padding:18px;margin:14px 0;
}
.tag{
  border:1px solid #565653;border-radius:999px;padding:5px 10px;
  font-size:12px;font-weight:650;letter-spacing:.025em;color:#e7e7e3;
}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.steps{display:flex;gap:6px;flex-wrap:wrap;margin-top:16px}
.steps span{
  font-size:11px;line-height:1.5;border:1px solid #393939;
  border-radius:999px;padding:5px 9px;color:#a5a5a1;
}
.steps .on{color:#f8f8f6;border-color:#8e8e89;background:#292929}
summary{cursor:pointer}
@media(max-width:640px){
  .wrap{padding:16px}
  .grid2{grid-template-columns:1fr}
  .top{align-items:flex-start;flex-direction:column;gap:14px;padding:14px 4px}
  .top>.row{width:100%}
  .top>.row .btn{flex:1}
  .panel{padding:19px 17px;margin:14px 0}
  .login{margin:5vh auto}
  .brand{font-size:18px}
  .panel strong,.panel summary strong{font-size:17px}
  .input{margin-top:11px}
  .case{padding:15px}
  .steps span{font-size:10.5px}
}