:root{
  --bg1:#0b0f17; --bg2:#101a2c; --text:#eef2ff; --muted:rgba(238,242,255,.75);
  --glass:rgba(255,255,255,.08); --border:rgba(255,255,255,.14); --shadow:0 20px 60px rgba(0,0,0,.55);
  --radius:20px;
}
*{box-sizing:border-box} html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--text);
  background:
    radial-gradient(900px 700px at 18% 22%, rgba(255,77,77,.22), transparent 60%),
    radial-gradient(700px 600px at 78% 18%, rgba(255,215,0,.16), transparent 55%),
    radial-gradient(900px 700px at 55% 85%, rgba(77,163,255,.16), transparent 60%),
    linear-gradient(160deg, var(--bg1), var(--bg2));
}
.wrap{min-height:100%; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:32px 16px 44px; gap:18px;}
.hero{text-align:center; max-width:820px;}
.hero h1{margin:0; font-weight:850; letter-spacing:-.02em; line-height:1.0; font-size:clamp(34px,6vw,56px); text-shadow:0 10px 30px rgba(0,0,0,.45);}
.sub{margin:14px auto 8px; max-width:60ch; color:var(--muted); font-size:clamp(14px,2.4vw,16px);}
.start{margin:10px auto 0; max-width:76ch; font-size:14px; color:rgba(238,242,255,.9); background:rgba(0,0,0,.18); border:1px solid rgba(255,255,255,.10); padding:10px 12px; border-radius:999px; display:inline-block;}
.warn{color:#ffd38a;}
.ctaRow{margin:14px auto 0; display:flex; gap:10px; align-items:center; justify-content:center; flex-wrap:wrap;}
.cta{text-decoration:none; color:var(--text); font-weight:700; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.18); padding:10px 14px; border-radius:999px; box-shadow:0 12px 30px rgba(0,0,0,.25);}
.ctaHint{color:rgba(238,242,255,.7); font-size:12px}
.card{width:min(580px,94vw); background:var(--glass); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow); backdrop-filter: blur(10px); padding:14px; display:flex; flex-direction:column; gap:10px;}
.btn{display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--text); background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.12); border-radius:14px; padding:14px 14px;}
.btn:hover{transform:translateY(-1px); background:rgba(255,255,255,.11); border-color:rgba(255,255,255,.18);}
.icon{width:34px; height:34px; display:grid; place-items:center; border-radius:12px; background:rgba(0,0,0,.16); border:1px solid rgba(255,255,255,.10);}
.label{flex:1; font-weight:650; letter-spacing:.01em;}
.chev{opacity:.85;}
.danger{border-color:rgba(255,180,110,.30); background:rgba(255,180,110,.08);}
.divider{display:flex; align-items:center; gap:10px; padding:6px 6px 0; color:rgba(238,242,255,.70); font-size:12px; letter-spacing:.08em; text-transform:uppercase;}
.divider:before,.divider:after{content:""; height:1px; flex:1; background:rgba(255,255,255,.12);}
.divider span{padding:2px 8px; border:1px solid rgba(255,255,255,.10); border-radius:999px; background:rgba(0,0,0,.12);}
.mini-banner{margin-top:6px; padding:10px; border-radius:14px; border:1px solid rgba(255,255,255,.10); background:rgba(0,0,0,.14);}
.banner{display:block; border-radius:12px; overflow:hidden; border:1px solid rgba(255,255,255,.10);}
.banner img{width:100%; height:auto; display:block;}
.banner-note{margin-top:8px; font-size:12px; color:rgba(238,242,255,.68); text-align:center;}
.foot{margin-top:6px; padding-top:10px; border-top:1px solid rgba(255,255,255,.10); display:flex; justify-content:center; gap:10px; color:rgba(238,242,255,.70); font-size:12px;}
.dot{opacity:.6}
.signup{width:min(580px,94vw); background:rgba(0,0,0,.18); border:1px solid rgba(255,255,255,.10); border-radius:var(--radius); padding:16px; box-shadow:0 18px 50px rgba(0,0,0,.35);}
.signup h2{margin:0 0 6px; font-size:18px}
.signupSub{margin:0 0 14px; color:rgba(238,242,255,.75); font-size:13px}
.field{display:flex; flex-direction:column; gap:6px; margin-bottom:10px}
.field span{font-size:12px; color:rgba(238,242,255,.75)}
.field input{padding:12px; border-radius:12px; border:1px solid rgba(255,255,255,.12); background:rgba(255,255,255,.06); color:var(--text); outline:none;}
.submit{width:100%; padding:12px; border-radius:12px; border:1px solid rgba(255,255,255,.18); background:rgba(255,255,255,.12); color:var(--text); font-weight:800; cursor:pointer;}
.submit:hover{background:rgba(255,255,255,.16)}
.privacy{margin-top:10px; display:flex; justify-content:center; gap:10px; flex-wrap:wrap; font-size:12px; color:rgba(238,242,255,.7);}
.hp{display:none}
.note{width:min(580px,94vw); color:rgba(238,242,255,.8);}
details{background:rgba(0,0,0,.16); border:1px solid rgba(255,255,255,.10); border-radius:14px; padding:10px 12px;}
summary{cursor:pointer; font-weight:650}
.details{margin-top:8px; font-size:13px; color:rgba(238,242,255,.75)}
code{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size:12px; background:rgba(255,255,255,.10); padding:2px 6px; border-radius:8px; border:1px solid rgba(255,255,255,.10);}