:root{
  --bg:#0b1220;
  --bg2:#0f1a33;
  --card:rgba(255,255,255,.06);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.72);
  --line:rgba(255,255,255,.14);
  --accent:#7c5cff;
  --accent2:#28d7ff;
  --shadow:0 18px 50px rgba(0,0,0,.35);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(124,92,255,.35), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, rgba(40,215,255,.22), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  font:16px/1.6 system-ui, -apple-system, "Segoe UI", "Noto Sans JP", sans-serif;
}
a{color:inherit;text-decoration:none}
.lp-container{max-width:1100px;margin:0 auto;padding:0 20px}

.lp-header{
  position:sticky;top:0;z-index:10;
  background:rgba(11,18,32,.68);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.lp-header .lp-container{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px}
.lp-brand{font-weight:700;letter-spacing:.2px}
.lp-nav{display:flex;align-items:center;gap:14px}
.lp-nav a{color:var(--muted)}
.lp-nav a:hover{color:var(--text)}

.lp-btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 16px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),#9a7bff);
  color:white;font-weight:650;
  box-shadow:0 10px 30px rgba(124,92,255,.25);
  border:1px solid rgba(255,255,255,.12);
}
.lp-btn:hover{filter:brightness(1.04)}
.lp-btn--ghost{
  background:transparent;
  box-shadow:none;
  border:1px solid var(--line);
  color:var(--text);
}
.lp-btn--sm{padding:10px 12px;border-radius:12px}
.lp-btn--block{width:100%}

.lp-hero{padding:64px 0 22px}
.lp-hero__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.lp-kicker{
  display:inline-flex;gap:8px;align-items:center;
  color:var(--muted);
  border:1px solid var(--line);
  padding:6px 10px;border-radius:999px;
  background:rgba(255,255,255,.03);
}
.lp-hero h1{font-size:44px;line-height:1.15;margin:14px 0 12px}
.lp-lead{color:var(--muted);font-size:18px;margin:0 0 18px}
.lp-hero__actions{display:flex;gap:12px;flex-wrap:wrap}

.lp-card{
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.05));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.lp-card__top{height:58px;background:linear-gradient(90deg, rgba(124,92,255,.35), rgba(40,215,255,.18))}
.lp-card__body{padding:18px}
.lp-skel{height:10px;border-radius:999px;background:rgba(255,255,255,.18);margin:10px 0}
.lp-skel--title{height:16px;width:70%}
.lp-skel--short{width:45%}

.lp-section{padding:56px 0}
.lp-section h2{font-size:28px;margin:0 0 18px}
.lp-section--cta{padding:64px 0 70px}
.lp-cta{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.lp-cta__copy p{margin:0;color:var(--muted)}
.lp-cta__form{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.04);
  padding:18px;
}

label{display:block;font-size:13px;color:var(--muted);margin:10px 0}
input,textarea{
  width:100%;
  margin-top:6px;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(10,16,30,.55);
  color:var(--text);
  outline:none;
}
input:focus,textarea:focus{border-color:rgba(124,92,255,.7);box-shadow:0 0 0 4px rgba(124,92,255,.15)}
.lp-note{color:var(--muted);font-size:12px;margin:10px 0 0}

.lp-prose{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  padding:18px;
}
.lp-prose h2{font-size:22px;margin:18px 0 8px}
.lp-prose p,.lp-prose li{color:var(--muted)}
.lp-prose ul{padding-left:18px}

.lp-footer{
  padding:22px 0 34px;
  border-top:1px solid var(--line);
  background:rgba(0,0,0,.10);
  color:var(--muted);
}

@media (max-width: 900px){
  .lp-hero__grid{grid-template-columns:1fr}
  .lp-hero h1{font-size:36px}
  .lp-cta{grid-template-columns:1fr}
  .lp-nav{gap:10px}
}