:root{
  --bg:#0b1020;
  --card:#111a33;
  --card2:#0f1730;
  --text:#e9eefc;
  --muted:#b7c3e6;
  --line:#233059;
  --accent:#6aa6ff;
  --accent2:#7ae3c3;
  --warn:#ffd166;
  --danger:#ff6b6b;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
  --radius:16px;
  --radius2:22px;
  --max:1080px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Meiryo", Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(106,166,255,.25), transparent 60%),
    radial-gradient(1000px 520px at 90% 0%, rgba(122,227,195,.18), transparent 55%),
    linear-gradient(180deg, #070a14 0%, var(--bg) 55%, #070a14 100%);
  color:var(--text);
  line-height:1.75;
}
a{color:inherit; text-decoration:none}
.container{max-width:var(--max); margin:0 auto; padding:0 18px}
.topbar{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(10px);
  background: rgba(7,10,20,.72);
  border-bottom:1px solid rgba(35,48,89,.65);
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 0;
  gap:14px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:700; letter-spacing:.2px;
}
.logo{
  width:34px; height:34px; border-radius:12px;
  background: linear-gradient(135deg, rgba(106,166,255,.95), rgba(122,227,195,.85));
  box-shadow: 0 10px 24px rgba(106,166,255,.22);
  position:relative;
}
.logo:after{
  content:"";
  position:absolute; inset:9px;
  border-radius:10px;
  background: rgba(17,26,51,.75);
  border:1px solid rgba(233,238,252,.18);
}
.nav{
  display:flex; flex-wrap:wrap; gap:10px;
  font-size:14px; color:var(--muted);
  justify-content:flex-end;
}
.nav a{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid transparent;
}
.nav a:hover{
  border-color: rgba(35,48,89,.85);
  background: rgba(17,26,51,.55);
  color: var(--text);
}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:11px 14px;
  border-radius:999px;
  border:1px solid rgba(35,48,89,.9);
  background: rgba(17,26,51,.65);
  color:var(--text);
  font-weight:650;
  gap:8px;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
  white-space:nowrap;
}
.btn:hover{transform: translateY(-1px); border-color: rgba(106,166,255,.75); background: rgba(17,26,51,.86)}
.btn.primary{
  border-color: rgba(106,166,255,.85);
  background: linear-gradient(135deg, rgba(106,166,255,.25), rgba(122,227,195,.18));
}
.btn.primary:hover{border-color: rgba(122,227,195,.85)}
.btn.line{
  border-color: rgba(122,227,195,.85);
  background: linear-gradient(135deg, rgba(122,227,195,.18), rgba(106,166,255,.18));
}
.btn.line:hover{border-color: rgba(122,227,195,1)}

@media (max-width: 900px){
  .nav{display:none}
}
.panel{
  background: rgba(17,26,51,.62);
  border:1px solid rgba(35,48,89,.9);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.panel-inner{padding:20px}
.kicker{
  display:inline-flex; align-items:center; gap:8px;
  color: var(--muted);
  font-size:13px; letter-spacing:.2px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(35,48,89,.9);
  background: rgba(15,23,48,.55);
}
.kdot{
  width:8px; height:8px; border-radius:99px;
  background: var(--accent2);
  box-shadow: 0 0 0 4px rgba(122,227,195,.15);
}
h1{
  margin:14px 0 10px;
  font-size:28px;
  line-height:1.25;
  letter-spacing:.2px;
}
@media (max-width: 900px){h1{font-size:24px}}
.lead{
  margin:0 0 14px;
  color: var(--muted);
  font-size:15px;
}
.warnbox{
  margin-top:14px;
  padding:12px 12px;
  border-radius: var(--radius);
  border:1px solid rgba(255,209,102,.35);
  background: rgba(255,209,102,.08);
  color: var(--muted);
  font-size:13px;
}
.danger-note{
  margin-top:12px;
  padding:12px 12px;
  border-radius: var(--radius);
  border:1px solid rgba(255,107,107,.32);
  background: rgba(255,107,107,.08);
  color: var(--muted);
  font-size:13px;
}
.section{padding:26px 0}
.grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
@media (max-width: 900px){.grid{grid-template-columns:1fr}}
.card{
  background: rgba(15,23,48,.58);
  border:1px solid rgba(35,48,89,.9);
  border-radius: var(--radius2);
  padding:16px;
}
.section-title{
  margin:0 0 10px;
  font-size:18px;
  letter-spacing:.2px;
}
.card h2{
  margin:0 0 8px;
  font-size:16px;
  letter-spacing:.2px;
}
.list{
  margin:10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size:14px;
}
.list li{margin:6px 0}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(35,48,89,.9);
  background: rgba(7,10,20,.55);
  color: var(--muted);
  margin-bottom:10px;
}
.badge .b{
  width:8px; height:8px; border-radius:99px;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(106,166,255,.14);
}
.divider{
  height:1px;
  background: rgba(35,48,89,.8);
  margin:18px 0;
}
.footer{
  border-top:1px solid rgba(35,48,89,.8);
  background: rgba(7,10,20,.65);
  padding:18px 0 26px;
  color: var(--muted);
  font-size:13px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:14px;
  align-items:start;
}
@media (max-width: 900px){.footer-grid{grid-template-columns:1fr}}
.footlinks{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:flex-end;
}
.footlinks a{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(35,48,89,.8);
  background: rgba(15,23,48,.35);
}
.footlinks a:hover{border-color: rgba(106,166,255,.65); color: var(--text)}
.table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  overflow:hidden;
  border:1px solid rgba(35,48,89,.9);
  border-radius: var(--radius2);
  background: rgba(15,23,48,.42);
}
.table th,.table td{
  padding:12px 12px;
  border-bottom:1px solid rgba(35,48,89,.65);
  font-size:14px;
  color: var(--muted);
  vertical-align:top;
}
.table th{
  color: var(--text);
  font-weight:700;
  width:32%;
  background: rgba(17,26,51,.55);
}
.table tr:last-child th,.table tr:last-child td{border-bottom:none}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}