/* ═══════════════════════════════════════
   AndyZ v4 — Dark Immersive Design System
═══════════════════════════════════════ */
:root{
  --bg:   #05050f;
  --bg2:  #0a0a1a;
  --v:    #8b5cf6;
  --r:    #f43f5e;
  --t:    #14b8a6;
  --w:    #f1f5f9;
  --m:    #8b93a7;
  --card: rgba(255,255,255,.035);
  --bdr:  rgba(255,255,255,.08);
  --gv: linear-gradient(135deg,#8b5cf6,#f43f5e);
  --gt: linear-gradient(135deg,#14b8a6,#8b5cf6);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--w);
  font-family:'Hiragino Kaku Gothic ProN','Noto Sans JP',sans-serif;
  overflow-x:hidden;line-height:1.8;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
::selection{background:var(--v);color:#fff}
body::before{
  content:'';position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.028;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* progress bar */
#pbar{position:fixed;top:0;left:0;height:3px;width:0;background:var(--gv);z-index:9100;box-shadow:0 0 12px rgba(139,92,246,.8)}

/* cursor */
#cur,#curl{position:fixed;border-radius:50%;pointer-events:none;z-index:9000;top:0;left:0;transform:translate(-50%,-50%)}
#cur{width:10px;height:10px;background:var(--r);transition:width .15s,height .15s,background .2s}
#curl{width:36px;height:36px;border:1.5px solid rgba(244,63,94,.45);transition:width .15s,height .15s,border-color .2s}
body:has(a:hover) #cur,body:has(button:hover) #cur,body:has(summary:hover) #cur{width:24px;height:24px;background:var(--v)}
body:has(a:hover) #curl,body:has(button:hover) #curl,body:has(summary:hover) #curl{width:52px;height:52px;border-color:rgba(139,92,246,.7)}
@media(pointer:coarse){#cur,#curl{display:none}}

/* canvas */
#cnv{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5}

/* ═══ NAV ═══ */
nav.top{
  position:fixed;top:0;width:100%;z-index:500;
  padding:20px 56px;display:flex;align-items:center;justify-content:space-between;
  background:rgba(5,5,15,0);border-bottom:1px solid transparent;
  transition:background .4s,border-color .4s;
}
nav.top.scrolled{background:rgba(5,5,15,.9);border-bottom-color:var(--bdr)}
.nav-logo{font-size:1.6rem;font-weight:900;letter-spacing:-.04em;background:var(--gv);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nav-links{display:flex;gap:34px}
.nav-links a{
  color:var(--m);font-size:.825rem;letter-spacing:.05em;
  position:relative;padding-bottom:3px;transition:color .2s;
}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:1.5px;background:var(--gv);transition:width .25s}
.nav-links a:hover,.nav-links a.active{color:var(--w)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-btn{
  background:var(--gv);border:none;border-radius:100px;
  padding:11px 28px;color:#fff;font-size:.825rem;font-weight:700;letter-spacing:.05em;
  cursor:pointer;box-shadow:0 0 30px rgba(139,92,246,.35);
  transition:transform .2s,box-shadow .2s;display:inline-block;
}
.nav-btn:hover{transform:translateY(-2px);box-shadow:0 0 50px rgba(139,92,246,.6)}

/* mobile menu */
.menu-btn{display:none;background:none;border:none;cursor:pointer;width:42px;height:42px;position:relative;z-index:700}
.menu-btn span{display:block;width:24px;height:2px;background:var(--w);margin:6px auto;border-radius:2px;transition:transform .3s,opacity .3s}
.menu-btn.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.m-nav{
  position:fixed;inset:0;z-index:600;background:rgba(5,5,15,.98);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:30px;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.m-nav.open{opacity:1;visibility:visible}
.m-nav a{font-size:1.3rem;font-weight:900}
@media(max-width:900px){
  .nav-links{display:none}
  nav.top{padding:16px 24px}
  .menu-btn{display:block}
}

/* ═══ PAGE HERO（下層） ═══ */
.page-hero{
  position:relative;z-index:2;padding:190px 56px 90px;overflow:hidden;
  background:radial-gradient(ellipse 70% 90% at 80% 0%,rgba(139,92,246,.13),transparent 65%),
             radial-gradient(ellipse 50% 70% at 10% 100%,rgba(244,63,94,.08),transparent 65%);
  border-bottom:1px solid var(--bdr);
}
.page-hero .ph-in{max-width:1180px;margin:0 auto}
.crumb{font-size:.75rem;color:var(--m);letter-spacing:.06em;margin-bottom:18px}
.crumb a:hover{color:#a78bfa}
.page-hero h1{
  font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:900;
  letter-spacing:-.04em;line-height:1.15;margin-bottom:20px;
}
.page-hero h1 .line{display:block;overflow:hidden}
.page-hero h1 .line span{display:block;animation:slideUp .7s cubic-bezier(.22,.61,.36,1) both}
.page-hero h1 .line:nth-child(2) span{animation-delay:.12s}
@keyframes slideUp{from{transform:translateY(105%)}to{transform:translateY(0)}}
.ph-acts{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px;animation:fadeUp .7s .35s both}
@media(max-width:900px){.page-hero{padding:150px 24px 70px}}

/* ═══ TEXT ═══ */
.gv{background:var(--gv);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.gt{background:var(--gt);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
section{position:relative;z-index:2}
.si{max-width:1180px;margin:0 auto;padding:120px 56px}
.stag{font-size:.68rem;letter-spacing:.2em;color:#a78bfa;text-transform:uppercase;margin-bottom:14px}
.sh{font-size:clamp(2rem,4.5vw,3.6rem);font-weight:900;letter-spacing:-.04em;line-height:1.12;margin-bottom:18px}
.ss{color:var(--m);font-size:1rem;line-height:1.85;max-width:580px}
.center{text-align:center}
.center .ss{margin-left:auto;margin-right:auto}
.sec2{background:var(--bg2)}
@media(max-width:900px){.si{padding:80px 24px}}

/* reveal */
.rev{opacity:0;transform:translateY(36px);transition:opacity .8s,transform .8s}
.rev.on{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ═══ BUTTONS ═══ */
.btn-p{
  background:var(--gv);border:none;border-radius:100px;
  padding:18px 44px;color:#fff;font-size:1rem;font-weight:800;letter-spacing:.04em;
  cursor:pointer;box-shadow:0 0 40px rgba(139,92,246,.45);
  transition:transform .2s,box-shadow .2s;display:inline-block;
}
.btn-p:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 0 70px rgba(139,92,246,.7)}
.btn-g{
  background:rgba(5,5,15,.6);border:1px solid var(--bdr);border-radius:100px;
  padding:17px 36px;color:var(--w);font-size:1rem;font-weight:600;
  cursor:pointer;transition:border-color .2s,background .2s;display:inline-block;
}
.btn-g:hover{border-color:rgba(139,92,246,.55);background:rgba(139,92,246,.1)}
.btn-sm{padding:12px 28px;font-size:.85rem}

/* ═══ GLOW CARDS ═══ */
.vg{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:60px}
.vg2{grid-template-columns:repeat(2,1fr)}
.vc{
  background:var(--card);border:1px solid var(--bdr);
  border-radius:22px;padding:38px 32px;
  position:relative;overflow:hidden;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.vc::before{
  content:'';position:absolute;inset:0;border-radius:inherit;opacity:0;
  background:radial-gradient(420px circle at var(--gx,50%) var(--gy,50%),rgba(139,92,246,.16),transparent 60%);
  transition:opacity .3s;pointer-events:none;
}
.vc:hover{transform:translateY(-8px);border-color:rgba(139,92,246,.4);box-shadow:0 24px 56px rgba(139,92,246,.14)}
.vc:hover::before{opacity:1}
.vi{
  width:54px;height:54px;border-radius:15px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.7rem;margin-bottom:24px;position:relative;z-index:1;
}
.vi.vv{background:rgba(139,92,246,.15)}
.vi.vr{background:rgba(244,63,94,.12)}
.vi.vt{background:rgba(20,184,166,.12)}
.vc h3{font-size:1.1rem;font-weight:800;margin-bottom:10px;position:relative;z-index:1}
.vc p{color:var(--m);font-size:.875rem;line-height:1.8;position:relative;z-index:1}
.vc .vnum{
  font-size:2.6rem;font-weight:900;letter-spacing:-.04em;line-height:1;
  background:var(--gv);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:18px;position:relative;z-index:1;
}
@media(max-width:900px){.vg,.vg2{grid-template-columns:1fr}}

/* ═══ TIMELINE（スクロール点灯） ═══ */
.tl{position:relative;padding-left:48px}
.tl-rail{position:absolute;left:17px;top:8px;bottom:8px;width:2px;background:rgba(255,255,255,.08);border-radius:2px}
.tl-fill{
  position:absolute;left:0;top:0;width:100%;height:0%;
  background:var(--gv);border-radius:2px;
  box-shadow:0 0 14px rgba(139,92,246,.8);
}
.tl-step{
  position:relative;padding:30px 32px;margin-bottom:26px;
  background:var(--card);border:1px solid var(--bdr);border-radius:20px;
  transition:border-color .5s,background .5s,box-shadow .5s,opacity .5s;
  opacity:.38;
}
.tl-step:last-child{margin-bottom:0}
.tl-step::before{
  content:'';position:absolute;left:-39px;top:38px;
  width:14px;height:14px;border-radius:50%;
  background:var(--bg2);border:2px solid rgba(255,255,255,.2);
  transition:border-color .4s,background .4s,box-shadow .4s;
}
.tl-step.on{
  opacity:1;border-color:rgba(139,92,246,.45);
  background:rgba(139,92,246,.06);
  box-shadow:0 18px 50px rgba(139,92,246,.12);
}
.tl-step.on::before{
  background:var(--v);border-color:var(--v);
  box-shadow:0 0 16px rgba(139,92,246,.9);
}
.tl-tag{
  display:inline-block;font-size:.66rem;letter-spacing:.16em;
  color:#a78bfa;border:1px solid rgba(139,92,246,.4);
  border-radius:100px;padding:3px 12px;margin-bottom:12px;text-transform:uppercase;
}
.tl-step h4{font-size:1.05rem;font-weight:800;margin-bottom:7px}
.tl-step p{font-size:.875rem;color:var(--m);line-height:1.75}
.tl-note{
  margin-top:22px;padding:18px 22px;border-radius:14px;
  border:1px solid rgba(244,63,94,.35);background:rgba(244,63,94,.06);
  font-size:.82rem;color:#fda4af;line-height:1.7;
}

/* ═══ FAQ ═══ */
.faq{max-width:780px;margin:48px auto 0}
.faq details{
  background:var(--card);border:1px solid var(--bdr);border-radius:16px;
  margin-bottom:14px;transition:border-color .3s;
}
.faq details:hover,.faq details[open]{border-color:rgba(139,92,246,.4)}
.faq summary{
  cursor:pointer;padding:20px 26px;font-weight:700;font-size:.95rem;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:1.4rem;color:var(--v);font-weight:400;transition:transform .25s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 26px 22px;color:var(--m);font-size:.9rem;line-height:1.8}

/* ═══ TABLE ═══ */
.info-table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--bdr);border-radius:20px;overflow:hidden}
.info-table th,.info-table td{padding:18px 24px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--bdr)}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:none}
.info-table th{width:32%;background:rgba(255,255,255,.03);font-weight:700;color:#a78bfa;vertical-align:top}
.info-table td{color:var(--m)}

/* ═══ TICKER ═══ */
.ticker-band{
  border-top:1px solid var(--bdr);border-bottom:1px solid var(--bdr);
  background:rgba(255,255,255,.01);overflow:hidden;position:relative;z-index:2;
}
.ticker{display:flex;width:max-content;animation:tick 22s linear infinite}
.ticker-band:hover .ticker{animation-play-state:paused}
.ticker-inner{
  display:flex;align-items:center;white-space:nowrap;padding:26px 0;
  font-size:clamp(1.6rem,3vw,2.4rem);font-weight:900;letter-spacing:-.02em;
}
.ticker-inner span{padding:0 28px;transition:color .25s}
.ticker-inner span:hover{color:transparent;background:var(--gv);-webkit-background-clip:text;background-clip:text}
.ticker-inner .sep{color:var(--r);padding:0 8px}
@keyframes tick{to{transform:translateX(-50%)}}

/* ═══ CTA ═══ */
.cta-sec{text-align:center}
.cta-box{
  display:inline-block;position:relative;
  background:var(--card);border:1px solid var(--bdr);
  border-radius:32px;padding:80px 64px;overflow:hidden;max-width:800px;width:100%;
}
.cta-box::before{
  content:'';position:absolute;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,.18),transparent 65%);
  top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;
}
.cta-box p{color:var(--m);font-size:1.05rem;line-height:1.85;margin-bottom:40px;position:relative;z-index:1}
.cta-box .sh,.cta-box .stag{position:relative;z-index:1}
.cta-acts{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
@media(max-width:900px){.cta-box{padding:52px 28px}}

/* ═══ FOOTER ═══ */
footer{
  position:relative;z-index:2;border-top:1px solid var(--bdr);
  background:var(--bg2);padding:64px 56px 40px;
}
.ft-top{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px;margin-bottom:48px;max-width:1180px;margin-left:auto;margin-right:auto}
.ft-logo{font-size:1.5rem;font-weight:900;background:var(--gv);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}
.ft-tagline{font-size:.8rem;color:var(--m);margin-bottom:16px;line-height:1.7}
.ft-sns{display:flex;gap:12px}
.sns-btn{
  width:38px;height:38px;border-radius:10px;
  background:var(--card);border:1px solid var(--bdr);
  display:flex;align-items:center;justify-content:center;font-size:.9rem;
  transition:border-color .2s,background .2s,transform .2s;
}
.sns-btn:hover{border-color:rgba(139,92,246,.4);background:rgba(139,92,246,.1);transform:translateY(-3px)}
.ft-col h5{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--m);margin-bottom:16px}
.ft-col ul{display:flex;flex-direction:column;gap:10px}
.ft-col a{color:var(--m);font-size:.85rem;transition:color .2s}
.ft-col a:hover{color:var(--w)}
.ft-bottom{
  padding-top:28px;border-top:1px solid var(--bdr);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  max-width:1180px;margin:0 auto;
}
.ft-copy{font-size:.75rem;color:var(--m)}
.ft-addr{font-size:.72rem;color:var(--m);text-align:right;line-height:1.6}
@media(max-width:900px){
  .ft-top{grid-template-columns:1fr}
  footer{padding:44px 24px 28px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}