:root{
  color-scheme: light;
  --text:#0f172a;
  --muted:#475569;
  --muted2:#64748b;
  --border:#e2e8f0;
  --bg:#ffffff;
  --card:#ffffff;
  --brand:#0f172a;
  --brandText:#ffffff;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
}
a{color:inherit}
.container{
  max-width: 980px;
  margin: 0 auto;
  padding: 20px;
}
.header{
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.headerRow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  font-weight:700;
  letter-spacing:-0.02em;
  text-decoration:none;
}
.nav{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:14px;
}
.nav a{ text-decoration:none; color: var(--muted); }
.nav a:hover{ color: var(--text); }
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  color: var(--text);
  text-decoration:none;
  font-weight:600;
}
.btnPrimary{
  background: var(--brand);
  color: var(--brandText);
  border-color: var(--brand);
}
.main{
  padding: 28px 0 10px;
}
.grid{
  display:grid;
  gap: 22px;
}
@media (min-width: 900px){
  .grid{
    grid-template-columns: 1fr 420px;
    align-items:start;
  }
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:#334155;
  border:1px solid var(--border);
  padding:6px 10px;
  border-radius:999px;
  background:#fff;
}
.h1{
  margin: 12px 0 10px;
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.p{
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}
.list{
  margin: 16px 0 0;
  padding-left: 18px;
  color:#334155;
  line-height:1.6;
}
.small{
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted2);
}
.card{
  border:1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  padding: 18px;
}
.card h2{
  margin:0;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.card p{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.form{
  margin-top: 14px;
  display:grid;
  gap: 10px;
}
label{
  display:block;
  font-size: 12px;
  color: var(--muted2);
  margin: 0 0 6px;
}
input, select, textarea{
  width:100%;
  padding: 11px 12px;
  border:1px solid #cbd5e1;
  border-radius: 12px;
  font-size: 14px;
  outline:none;
}
textarea{ min-height: 86px; resize: vertical; }
input:focus, select:focus, textarea:focus{ border-color:#94a3b8; box-shadow:0 0 0 3px rgba(148,163,184,0.25); }
button{
  width:100%;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--brand);
  color: var(--brandText);
  border: 1px solid var(--brand);
  font-weight: 700;
  cursor: pointer;
}
button:disabled{ opacity:0.6; cursor:not-allowed; }
.hr{
  height:1px;
  background: var(--border);
  border:0;
  margin: 18px 0;
}
.footer{
  border-top: 1px solid var(--border);
  margin-top: 26px;
}
.footerRow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-size: 12px;
  color: var(--muted2);
  padding: 16px 0;
}
.footer a{ color: var(--muted2); text-decoration:none; }
.footer a:hover{ color: var(--text); }
.notice{
  background: #f8fafc;
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 12px;
  font-size: 13px;
  color: #334155;
}
.code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}