/* ════ VIEW TRANSITIONS (cross-document) ════ */
@view-transition { navigation: auto; }
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) { animation: 160ms ease-out both fade-out; }
  ::view-transition-new(root) { animation: 220ms ease-in  both fade-in;  }
}
@keyframes fade-out { to   { opacity: 0; } }
@keyframes fade-in  { from { opacity: 0; } }

/* ════ RESET ════ */
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{overflow-x:hidden;max-width:100vw;}
body{font-family:'Noto Sans JP',sans-serif;background:#fff;color:#0B1F40;overflow-x:hidden;line-height:1.75;}

/* ════ VARS ════ */
:root{
  --white:#fff;--bg:#F6F8FC;--navy:#0B1F40;--navy2:#112952;
  --text2:#4A5E7A;--muted:#8FA3BF;--border:#D8E4F0;--bl:#E8F0F8;
  --c1:#3B82F6;--c2:#22D3EE;--c3:#8B5CF6;--c4:#EC4899;--c5:#F97316;
  --g1:#22D3EE;--g2:#5B78FF;--g3:#9B6BFF;--g4:#EC4899;--g5:#F97316;
}

/* ════ HEADER ════ */
header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 48px;height:68px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(216,228,240,.45);
  box-shadow:0 1px 24px rgba(11,31,64,.04);
}
header .logo-wrap{
  display:inline-flex;align-items:center;text-decoration:none;
  line-height:0;padding:0;background:transparent;border:0;box-shadow:none;
}
header .logo-wrap img{height:38px;width:auto;display:block;background:transparent;border:0;box-shadow:none;}
nav{display:flex;gap:22px;align-items:center;}
nav a{
  color:var(--text2);text-decoration:none;font-size:13px;font-weight:500;
  letter-spacing:.02em;white-space:nowrap;transition:color .2s;
  padding:4px 0;position:relative;
}
nav a::after{
  content:'';position:absolute;bottom:-2px;left:0;right:0;height:1.5px;
  background:linear-gradient(90deg,var(--g2),var(--g4));
  transform:scaleX(0);transition:transform .25s;transform-origin:left;
}
nav a:hover{color:var(--navy);}
nav a:hover::after{transform:scaleX(1);}
nav .nav-current::after,.nav-current::after{content:none !important;display:none !important;}
.hdr-cta{display:flex;gap:10px;align-items:center;white-space:nowrap;}
.btn-ghost{
  color:#3a4364;font-size:13px;font-weight:600;padding:8px 16px;
  border-radius:7px;text-decoration:none;
  border:1px solid rgba(120,130,180,.28);background:rgba(255,255,255,.55);
  transition:all .2s;
}
.btn-ghost:hover{border-color:rgba(120,130,180,.45);background:rgba(255,255,255,.85);}
.btn-hdr{
  background:linear-gradient(135deg,var(--c1),var(--c3));color:#fff;
  padding:9px 22px;border-radius:7px;font-size:13px;font-weight:700;
  text-decoration:none;box-shadow:0 4px 16px rgba(59,130,246,.28);transition:all .22s;
}
.btn-hdr:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(59,130,246,.36);}
.nav-login-sp{display:none !important;}

/* ════ HERO LOGO ════ */
.hero-brand-logo{margin-bottom:26px;line-height:0;display:block;}
.hero-brand-logo img{
  height:auto;width:380px;max-width:100%;
  filter:drop-shadow(0 12px 32px rgba(120,110,255,.18));
}

/* ════ BREADCRUMB ════ */
.breadcrumb{
  font-family:'Noto Sans JP',sans-serif;
  font-size:12.5px;line-height:1.6;color:#5a6383;font-weight:500;
  max-width:1160px;margin:0 auto;
  padding:16px 48px 0;
  display:flex;flex-wrap:wrap;gap:6px;align-items:center;
  letter-spacing:.02em;
}
.breadcrumb a{color:#5a6383;text-decoration:none;transition:color .2s;}
.breadcrumb a:hover{color:var(--g2);}
.breadcrumb .sep{color:#A8B4C7;font-size:11.5px;}
.breadcrumb .current{color:#2f3a5a;font-weight:600;}
body > nav.breadcrumb{padding-top:84px !important;}

/* ════ FOOTER ════ */
footer{
  position:relative;z-index:1;background:#F0EBF8;border-top:1px solid var(--border);
  padding:72px 48px 32px;
}
.footer-top{
  display:grid;grid-template-columns:240px 1fr 1fr 1fr 1fr;gap:48px;margin-bottom:52px;
}
.f-brand-logo{
  display:inline-flex;align-items:center;text-decoration:none;line-height:0;
  margin-bottom:4px;padding:4px 0;
}
.f-brand-logo img{height:32px;width:auto;display:block;}
.f-tagline{font-size:12.5px;color:var(--muted);line-height:1.82;margin-top:4px;}
.f-col-title{
  font-family:'DM Sans',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.12em;color:var(--text2);margin-bottom:14px;
}
.f-links{display:flex;flex-direction:column;gap:9px;}
.f-links a{font-size:13px;color:var(--muted);text-decoration:none;transition:color .2s;}
.f-links a:hover{color:var(--navy);}
.footer-btm{
  border-top:1px solid var(--border);padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;color:var(--muted);
}

/* ════ RESPONSIVE ════ */
@media(min-width:769px){
  nav{display:flex !important;}
  header nav{display:flex !important;gap:22px !important;}
}

@media(max-width:1180px){
  header{padding:0 24px;}
  nav{gap:14px;}
  nav a{font-size:12.5px;}
  .hdr-cta{gap:8px;}
  .btn-ghost{padding:8px 12px;font-size:12.5px;}
  .btn-hdr{padding:9px 16px;font-size:12.5px;}
}

@media(max-width:1060px){
  .hero-brand-logo img{width:320px;}
}

@media(max-width:1060px) and (min-width:769px){
  header{
    flex-wrap:wrap;align-items:center;padding:8px 20px;
    height:auto;min-height:68px;row-gap:6px;
  }
  header .logo-wrap img{height:32px;}
  .logo-wrap{order:1;flex:0 0 auto;}
  .hdr-cta{order:2;margin-left:auto;flex:0 0 auto;gap:8px;align-items:center;}
  .hdr-cta .btn-ghost{display:none;}
  .hdr-cta .btn-hdr{padding:8px 14px;font-size:12.5px;}
  nav{
    order:3;width:100%;flex:0 0 100%;display:flex;gap:14px;
    padding:4px 0 6px;border-top:1px solid rgba(200,215,230,.35);margin-top:4px;
    overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin;
  }
  nav::-webkit-scrollbar{height:4px;}
  nav a{font-size:12.5px;flex-shrink:0;}
}

@media(max-width:900px) and (min-width:769px){
  nav{gap:12px;padding:4px 0 6px;}
  nav a{font-size:12px;}
}
@media(max-width:900px){
  .hero-brand-logo img{width:260px;}
}

@media(max-width:768px){
  .page-sub .pc-only{display:none;}
  .fv-marquee,.fv-row,.logos-marquee,.logos-track{max-width:100vw;}
  .pro-support-card,.pro-support-left,.pro-support-right,.pro-support-visual{max-width:100%;}
  img,video{max-width:100%;height:auto;}
  header nav{display:none !important;}
  header{
    flex-wrap:nowrap !important;height:60px !important;min-height:60px !important;
    padding:0 16px !important;row-gap:0 !important;align-items:center;
  }
  header .logo-wrap img{height:30px;}
  .logo-wrap{order:1;}
  .hdr-cta{order:2;margin-left:auto;gap:6px !important;flex-wrap:nowrap;}
  .hdr-cta .btn-ghost{display:none !important;}
  .hdr-cta .btn-ghost:first-of-type{
    display:inline-flex !important;align-items:center;
    padding:6px 12px !important;font-size:12.5px !important;font-weight:700 !important;
    background:rgba(75,120,255,.10) !important;color:#3a4fbf !important;
    border:1px solid rgba(75,120,255,.28) !important;border-radius:999px !important;
    white-space:nowrap;flex-shrink:0;text-decoration:none;
  }
  .hdr-cta .btn-hdr{padding:8px 14px !important;font-size:12px !important;}
  .hero-brand-logo{margin-bottom:18px;}
  .hero-brand-logo img{width:200px;}
  footer{padding:48px 24px 24px;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .breadcrumb{padding:12px 16px 0;font-size:11.5px;gap:5px;}
  body > nav.breadcrumb{padding-top:76px !important;}
  nav.breadcrumb{display:flex !important;visibility:visible !important;}
}

@media(max-width:480px){
  header{padding:0 14px !important;height:58px !important;}
  .hdr-cta .btn-hdr{font-size:11.5px;padding:7px 12px;}
}

@media(max-width:400px){
  .hero-brand-logo img{width:170px;}
}