:root{
  --void:#08070d;
  --ink:#0e0c18;
  --panel:#14111f;
  --line:rgba(168,130,255,0.14);
  --line-strong:rgba(168,130,255,0.3);
  --text:#e8e6f0;
  --muted:#8a85a3;
  --purple:#a878ff;
  --purple-bright:#c4a0ff;
  --red:#ff5470;
  --blue:#3fb6ff;
  --grad:linear-gradient(110deg,#ff5470 0%,#a878ff 50%,#3fb6ff 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--void);
  color:var(--text);
  font-family:"Noto Sans JP",sans-serif;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
::selection{background:rgba(168,120,255,.35);color:#fff}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:"JetBrains Mono",monospace;
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--purple);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--purple);opacity:.6}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 28px;
  backdrop-filter:blur(14px);
  background:rgba(8,7,13,.6);
  border-bottom:1px solid transparent;
  transition:border-color .4s,background .4s;
}
.nav.scrolled{border-bottom:1px solid var(--line);background:rgba(8,7,13,.86)}
.nav-logo{display:flex;align-items:center;gap:11px;font-family:"Space Grotesk";font-weight:700;font-size:19px;letter-spacing:.02em}
.nav-logo .dot{width:9px;height:9px;border-radius:50%;background:var(--grad);box-shadow:0 0 14px rgba(168,120,255,.8)}
.nav-logo .tag{font-family:"JetBrains Mono";font-size:10px;color:var(--purple);border:1px solid var(--line-strong);padding:2px 7px;border-radius:4px;letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:30px;font-size:14px}
.nav-links a{color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  font-size:13px;font-weight:500;padding:10px 20px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--text);
  transition:all .25s;
}
.nav-cta:hover{background:var(--purple);border-color:var(--purple);color:#0a0612}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer}
.nav-burger span{width:24px;height:2px;background:var(--text);transition:.3s}
@media(max-width:860px){
  .nav-links{display:none}
  .nav-burger{display:flex}
}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(circle at 70% 40%,black,transparent 75%);
  opacity:.5;
}
.hero-glow{
  position:absolute;width:680px;height:680px;border-radius:50%;
  background:radial-gradient(circle,rgba(168,120,255,.22),transparent 65%);
  top:-160px;right:-120px;filter:blur(20px);
}
.hero-glow.two{background:radial-gradient(circle,rgba(255,84,112,.14),transparent 65%);top:auto;bottom:-200px;left:-160px;right:auto}
.hero-inner{position:relative;z-index:2;padding-top:110px;max-width:840px}
.hero h1{
  font-family:"Noto Sans JP";font-weight:900;
  font-size:clamp(34px,5.4vw,66px);line-height:1.16;letter-spacing:-.01em;margin:24px 0 26px;
}
.hero h1 .ln{display:inline-block}
.hero h1 br{display:none}
@media(min-width:861px){.hero h1 br{display:inline}}
.hero h1 .accent{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:620px;margin-bottom:38px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:15px 28px;border-radius:999px;font-weight:700;font-size:15px;
  transition:all .25s;cursor:pointer;border:none;
}
.btn-primary{background:var(--grad);color:#0a0612;box-shadow:0 0 0 0 rgba(168,120,255,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(168,120,255,.7)}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--purple);background:rgba(168,120,255,.08)}
.hero-stats{display:flex;gap:42px;margin-top:64px;flex-wrap:wrap}
.hero-stats .stat .num{font-family:"Space Grotesk";font-size:30px;font-weight:700;color:var(--text)}
.hero-stats .stat .lbl{font-size:12.5px;color:var(--muted);font-family:"JetBrains Mono";letter-spacing:.05em}

/* signature: live SOC ticker */
.ticker{
  position:absolute;bottom:0;left:0;right:0;z-index:3;
  border-top:1px solid var(--line);background:rgba(14,12,24,.7);backdrop-filter:blur(8px);
  overflow:hidden;white-space:nowrap;
}
.ticker-track{display:inline-flex;gap:46px;padding:13px 0;animation:scroll 38s linear infinite;font-family:"JetBrains Mono";font-size:12.5px;color:var(--muted)}
.ticker-item{display:inline-flex;align-items:center;gap:9px}
.ticker-item .pip{width:7px;height:7px;border-radius:50%}
.pip.r{background:var(--red);box-shadow:0 0 8px var(--red)}
.pip.b{background:var(--blue);box-shadow:0 0 8px var(--blue)}
.pip.p{background:var(--purple);box-shadow:0 0 8px var(--purple)}
.ticker-item b{color:var(--text);font-weight:500}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- SECTION base ---------- */
section{padding:108px 0;position:relative}
.sec-head{max-width:680px;margin-bottom:58px}
.sec-head h2{font-weight:900;font-size:clamp(28px,4vw,46px);line-height:1.25;margin:18px 0 16px;letter-spacing:-.01em}
.sec-head p{color:var(--muted);font-size:16px}

/* ---------- PURPLE TRIAD ---------- */
.triad{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tcard{
  position:relative;padding:34px 30px;border-radius:18px;
  background:linear-gradient(180deg,var(--panel),var(--ink));
  border:1px solid var(--line);overflow:hidden;transition:transform .3s,border-color .3s;
}
.tcard:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.tcard .bar{position:absolute;top:0;left:0;right:0;height:3px}
.tcard.red .bar{background:var(--red)}
.tcard.blue .bar{background:var(--blue)}
.tcard.purple .bar{background:var(--grad)}
.tcard .role{font-family:"JetBrains Mono";font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.tcard.red .role{color:var(--red)}
.tcard.blue .role{color:var(--blue)}
.tcard.purple .role{color:var(--purple-bright)}
.tcard h3{font-size:21px;font-weight:700;margin-bottom:12px}
.tcard p{color:var(--muted);font-size:14.5px}
.tcard ul{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:9px}
.tcard ul li{font-size:13.5px;color:var(--text);padding-left:18px;position:relative}
.tcard ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.6}
.tcard.red ul li{color:#ffc2cd}.tcard.blue ul li{color:#bce4ff}.tcard.purple ul li{color:var(--purple-bright)}
.triad-merge{text-align:center;margin-top:34px;font-family:"JetBrains Mono";font-size:13px;color:var(--muted)}
.triad-merge b{color:var(--purple-bright)}

/* ---------- FLOW ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.fstep{padding:32px 26px;border-right:1px solid var(--line);position:relative;background:var(--ink)}
.fstep:last-child{border-right:none}
.fstep .no{font-family:"Space Grotesk";font-size:13px;color:var(--purple);font-weight:600;letter-spacing:.1em}
.fstep h4{font-size:17px;font-weight:700;margin:14px 0 10px}
.fstep p{font-size:13.5px;color:var(--muted)}
@media(max-width:860px){.flow{grid-template-columns:1fr}.fstep{border-right:none;border-bottom:1px solid var(--line)}.fstep:last-child{border-bottom:none}}

/* ---------- FEATURES ---------- */
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.fcard{padding:30px;border-radius:16px;border:1px solid var(--line);background:var(--ink);transition:border-color .3s}
.fcard:hover{border-color:var(--line-strong)}
.fcard .ic{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(168,120,255,.1);border:1px solid var(--line-strong);margin-bottom:18px}
.fcard .ic svg{width:21px;height:21px;stroke:var(--purple-bright);fill:none;stroke-width:1.8}
.fcard h4{font-size:18px;font-weight:700;margin-bottom:9px}
.fcard p{font-size:14px;color:var(--muted)}

/* ---------- CTA / FORM ---------- */
.contact{background:linear-gradient(180deg,var(--void),#0c0a16)}
.form-shell{display:grid;grid-template-columns:0.85fr 1.15fr;gap:48px;align-items:start}
.form-shell .info h2{font-weight:900;font-size:clamp(26px,3.5vw,40px);line-height:1.25;margin:16px 0 18px}
.form-shell .info p{color:var(--muted);margin-bottom:26px}
.info-line{display:flex;align-items:center;gap:13px;padding:13px 0;border-top:1px solid var(--line);font-size:14.5px}
.info-line:last-child{border-bottom:1px solid var(--line)}
.info-line .k{font-family:"JetBrains Mono";font-size:11px;color:var(--purple);letter-spacing:.08em;width:70px;flex-shrink:0}
form{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:38px}
.field{margin-bottom:20px}
.field label{display:block;font-size:13px;font-weight:500;margin-bottom:8px;color:var(--text)}
.field label .req{color:var(--red);margin-left:4px}
.field input,.field textarea,.field select{
  width:100%;padding:13px 15px;border-radius:11px;
  background:var(--void);border:1px solid var(--line);color:var(--text);
  font-family:inherit;font-size:14.5px;transition:border-color .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--purple)}
.field textarea{resize:vertical;min-height:108px}
.field.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-submit{width:100%;justify-content:center;margin-top:6px}
.form-note{font-size:12px;color:var(--muted);margin-top:16px;text-align:center;font-family:"JetBrains Mono"}
@media(max-width:860px){.form-shell{grid-template-columns:1fr;gap:34px}.field.two{grid-template-columns:1fr}}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line);padding:46px 0;text-align:center;color:var(--muted);font-size:13px}
footer .flogo{font-family:"Space Grotesk";font-weight:700;font-size:17px;color:var(--text);margin-bottom:10px}
footer a{color:var(--muted);margin:0 10px;transition:color .2s}
footer a:hover{color:var(--text)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
/* JSが無効/未実行でも必ず表示されるフォールバック */
html.no-js .reveal{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .ticker-track{animation:none}
}
@media(max-width:720px){
  .triad{grid-template-columns:1fr}
  .feat{grid-template-columns:1fr}
}