@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
  --bg-primary: #060D1A;
  --bg-secondary: #0A1628;
  --bg-tertiary: #0F2040;
  --bg-card: rgba(13,30,53,0.95);
  --bg-glass: rgba(10,22,40,0.85);
  --accent: #00E5FF;
  --accent-dim: #00B8D9;
  --accent-soft: rgba(0,229,255,0.1);
  --accent-glow: rgba(0,229,255,0.3);
  --silver: #8899BB;
  --silver-light: #C0C8D8;
  --white: #F0F4FF;
  --text-primary: #E8EFF8;
  --text-secondary: #8899BB;
  --text-muted: #3A4A6A;
  --border: rgba(0,229,255,0.1);
  --border-hover: rgba(0,229,255,0.28);
  --shadow: 0 4px 24px rgba(0,0,0,0.45);
  --shadow-card: 0 8px 40px rgba(0,0,0,0.35);
  --glow: 0 0 30px rgba(0,229,255,0.18);
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 22px;
  --nav-height: 74px;
  --t: 0.3s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  font-family:'Noto Sans JP',sans-serif;
  background:var(--bg-primary);
  color:var(--text-primary);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{cursor:pointer;font-family:inherit;}

::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--bg-primary);}
::-webkit-scrollbar-thumb{background:var(--accent-dim);border-radius:3px;}

h1,h2,h3,h4,h5{
  font-family:'Syne',sans-serif;
  font-weight:700;line-height:1.25;letter-spacing:-0.01em;
}

/* LOADER */
#page-loader{
  position:fixed;inset:0;background:var(--bg-primary);
  display:flex;align-items:center;justify-content:center;
  z-index:9999;transition:opacity 0.6s ease,visibility 0.6s ease;
}
#page-loader.hidden{opacity:0;visibility:hidden;pointer-events:none;}
.loader-ring{
  width:48px;height:48px;
  border:2px solid var(--border);
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin 0.9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* NAV */
.main-nav{
  position:fixed;top:0;left:0;right:0;
  height:var(--nav-height);
  background:var(--bg-glass);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  z-index:1000;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.main-nav.scrolled{
  background:rgba(6,13,26,0.97);
  border-bottom-color:var(--border-hover);
  box-shadow:var(--shadow);
}
.nav-container{
  max-width:1280px;margin:0 auto;
  padding:0 28px;height:100%;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-text-wrap{display:flex;flex-direction:column;line-height:1.15;}
.logo-en{
  font-family:'Syne',sans-serif;font-size:14px;font-weight:800;
  letter-spacing:0.06em;color:var(--accent);
}
.logo-jp{font-size:9px;color:var(--silver);letter-spacing:0.06em;}

.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links > li > a{
  display:block;padding:8px 13px;
  font-size:13px;font-weight:500;
  color:var(--text-secondary);
  border-radius:var(--radius-sm);
  transition:color var(--t),background var(--t);
  white-space:nowrap;
}
.nav-links > li > a:hover,
.nav-links > li > a.active{color:var(--accent);background:var(--accent-soft);}
.nav-links > li > a.nav-cta{
  background:var(--accent);color:var(--bg-primary);
  font-weight:700;padding:8px 20px;
  border-radius:40px;margin-left:8px;
}
.nav-links > li > a.nav-cta:hover{background:var(--white);}

.has-dropdown{position:relative;}
.has-dropdown > a{display:flex !important;align-items:center;gap:5px;}
.chevron-icon{transition:transform var(--t);flex-shrink:0;}
.has-dropdown:hover .chevron-icon{transform:rotate(180deg);}
.dropdown-menu{
  position:absolute;top:calc(100% + 10px);left:0;
  min-width:210px;
  background:rgba(10,22,40,0.98);
  border:1px solid var(--border-hover);
  border-radius:var(--radius);
  padding:8px;
  box-shadow:var(--shadow-card);
  opacity:0;visibility:hidden;
  transform:translateY(-8px);
  transition:all var(--t);
  backdrop-filter:blur(24px);
}
.has-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-menu li a{
  display:block;padding:9px 14px;font-size:13px;
  color:var(--text-secondary);border-radius:var(--radius-sm);
  transition:color var(--t),background var(--t);
}
.dropdown-menu li a:hover{color:var(--accent);background:var(--accent-soft);}

.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;padding:8px;
}
.nav-toggle span{
  display:block;width:24px;height:2px;
  background:var(--silver-light);border-radius:2px;
  transition:all var(--t);
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* HERO */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;padding-top:var(--nav-height);
}
.hero-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,229,255,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 50% 70% at 80% 50%, rgba(0,184,217,0.05) 0%, transparent 60%),
    linear-gradient(180deg,var(--bg-primary) 0%,#060E1C 100%);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(0,229,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.04) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 90% at 50% 50%, black, transparent 75%);
}
.hero-content{
  position:relative;z-index:2;
  text-align:center;max-width:900px;
  padding:80px 24px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 18px;
  border:1px solid var(--border-hover);border-radius:40px;
  font-size:11px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  margin-bottom:28px;font-family:'Syne',sans-serif;
}
.hero-badge::before{
  content:'';width:6px;height:6px;
  background:var(--accent);border-radius:50%;
  box-shadow:0 0 8px var(--accent);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.3;}}
.hero h1{
  font-size:clamp(2.4rem,6vw,5rem);margin-bottom:24px;
  background:linear-gradient(135deg,var(--white) 0%,var(--accent) 55%,var(--accent-dim) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero p{
  font-size:clamp(1rem,2vw,1.2rem);
  color:var(--text-secondary);max-width:620px;
  margin:0 auto 44px;font-weight:300;
}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* SCROLL INDICATOR */
.scroll-indicator{
  position:absolute;bottom:40px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:var(--text-muted);font-size:11px;letter-spacing:0.12em;
  animation:float 3s ease infinite;
}
.scroll-indicator svg{color:var(--accent);}
@keyframes float{0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(-6px);}}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:40px;
  font-family:'Noto Sans JP',sans-serif;
  font-size:14px;font-weight:700;
  transition:all var(--t);border:none;cursor:pointer;
  text-decoration:none;
}
.btn-primary{background:var(--accent);color:var(--bg-primary);}
.btn-primary:hover{background:var(--white);transform:translateY(-2px);box-shadow:0 8px 24px var(--accent-glow);}
.btn-outline{background:transparent;border:1px solid var(--border-hover);color:var(--text-primary);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:translateY(-2px);}
.btn-ghost{background:var(--accent-soft);color:var(--accent);border:1px solid var(--border);}
.btn-ghost:hover{background:var(--accent);color:var(--bg-primary);}

/* SECTIONS */
section{padding:100px 24px;}
.container{max-width:1200px;margin:0 auto;}
.section-tag{
  display:inline-block;font-size:11px;font-weight:600;
  letter-spacing:0.2em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
  font-family:'Syne',sans-serif;
}
.section-title{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:14px;color:var(--white);}
.section-sub{font-size:1rem;color:var(--text-secondary);max-width:600px;font-weight:300;}
.section-header{margin-bottom:60px;}
.section-header.center{text-align:center;}
.section-header.center .section-sub{margin:0 auto;}

/* CARDS */
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-dim),transparent);
  opacity:0;transition:opacity var(--t);
}
.card:hover{border-color:var(--border-hover);box-shadow:var(--glow);transform:translateY(-4px);}
.card:hover::before{opacity:1;}
.card-icon{
  width:52px;height:52px;
  background:var(--accent-soft);
  border:1px solid var(--border-hover);
  border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.card h3{font-size:1.15rem;margin-bottom:10px;color:var(--white);}
.card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.75;}

/* GRIDS */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;}

/* STATS */
.stats-bar{
  display:flex;flex-wrap:wrap;
  border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;background:var(--bg-card);
}
.stat-item{
  flex:1;min-width:130px;padding:32px 24px;
  text-align:center;border-right:1px solid var(--border);
  transition:background var(--t);
}
.stat-item:last-child{border-right:none;}
.stat-item:hover{background:var(--accent-soft);}
.stat-num{
  font-family:'Syne',sans-serif;font-size:2.2rem;font-weight:800;
  color:var(--accent);display:block;line-height:1;margin-bottom:6px;
}
.stat-label{font-size:11px;color:var(--text-secondary);letter-spacing:0.05em;}

/* FEATURE SPLIT */
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}
.feature-split.reverse .feature-visual{order:-1;}
.feature-visual{
  position:relative;border-radius:var(--radius-lg);
  overflow:hidden;aspect-ratio:4/3;
  border:1px solid var(--border);
  background:var(--bg-card);
}
.feature-visual svg,.feature-visual img{width:100%;height:100%;object-fit:cover;}
.feature-list{margin-top:24px;}
.feature-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--border);
  font-size:0.9rem;color:var(--text-secondary);
}
.feature-list li::before{content:'✦';color:var(--accent);font-size:10px;flex-shrink:0;margin-top:5px;}

/* PAGE HERO */
.page-hero{
  padding:160px 24px 80px;
  text-align:center;position:relative;overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 50% at 50% 0%, rgba(0,229,255,0.06), transparent 70%);
}
.page-hero .container{position:relative;}
.page-hero h1{font-size:clamp(2rem,5vw,3.6rem);margin-bottom:16px;}
.page-hero p{font-size:1.05rem;color:var(--text-secondary);max-width:640px;margin:0 auto;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;justify-content:center;
  font-size:12px;color:var(--text-muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--accent);}

/* FORM */
.form-group{margin-bottom:20px;}
.form-label{
  display:block;font-size:12px;font-weight:600;
  letter-spacing:0.08em;color:var(--silver-light);
  margin-bottom:8px;text-transform:uppercase;
}
.form-control{
  width:100%;background:rgba(10,22,40,0.8);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:13px 16px;
  color:var(--text-primary);
  font-family:'Noto Sans JP',sans-serif;font-size:14px;
  transition:border-color var(--t),box-shadow var(--t);
  outline:none;-webkit-appearance:none;
}
.form-control:focus{border-color:var(--accent-dim);box-shadow:0 0 0 3px var(--accent-soft);}
.form-control::placeholder{color:var(--text-muted);}
textarea.form-control{resize:vertical;min-height:130px;}
select.form-control option{background:var(--bg-secondary);}

/* TOAST */
.toast-container{
  position:fixed;bottom:28px;right:28px;
  display:flex;flex-direction:column;gap:12px;z-index:9998;
}
.toast{
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;border-radius:var(--radius);
  background:rgba(10,22,40,0.97);
  border:1px solid var(--border-hover);
  box-shadow:var(--shadow-card);
  min-width:280px;max-width:380px;
  animation:toastIn 0.4s ease;
  backdrop-filter:blur(20px);
}
@keyframes toastIn{from{transform:translateX(100%);opacity:0;}to{transform:translateX(0);opacity:1;}}
.toast.hide{animation:toastOut 0.3s ease forwards;}
@keyframes toastOut{to{transform:translateX(110%);opacity:0;}}
.toast-icon{font-size:18px;flex-shrink:0;}
.toast-msg{font-size:13px;color:var(--text-primary);flex:1;}
.toast-close{background:none;border:none;color:var(--text-muted);font-size:16px;padding:0 2px;transition:color var(--t);}
.toast-close:hover{color:var(--text-primary);}

/* FOOTER */
.site-footer{
  background:var(--bg-secondary);
  border-top:1px solid var(--border);
  padding:80px 24px 0;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;
  max-width:1200px;margin:0 auto;padding-bottom:60px;
}
.footer-logo-wrap{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.footer-tagline{font-size:13px;color:var(--text-secondary);margin-bottom:20px;line-height:1.7;}
.footer-contact{font-size:13px;color:var(--silver);line-height:2;}
.footer-contact a{color:var(--accent);transition:opacity var(--t);}
.footer-contact a:hover{opacity:0.75;}
.footer-links h4{
  font-size:11px;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;
  color:var(--silver-light);margin-bottom:18px;font-family:'Syne',sans-serif;
}
.footer-links ul li{margin-bottom:10px;}
.footer-links ul li a{font-size:13px;color:var(--text-secondary);transition:color var(--t);}
.footer-links ul li a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--border);padding:24px 0;
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.footer-bottom p{font-size:12px;color:var(--text-muted);}
.footer-bottom-links{display:flex;gap:20px;}
.footer-bottom-links a{font-size:12px;color:var(--text-muted);transition:color var(--t);}
.footer-bottom-links a:hover{color:var(--accent);}

/* ANIMATIONS */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease;}
.fade-in.visible{opacity:1;transform:translateY(0);}
.fade-in-left{opacity:0;transform:translateX(-24px);transition:opacity 0.6s ease,transform 0.6s ease;}
.fade-in-left.visible{opacity:1;transform:translateX(0);}
.fade-in-right{opacity:0;transform:translateX(24px);transition:opacity 0.6s ease,transform 0.6s ease;}
.fade-in-right.visible{opacity:1;transform:translateX(0);}

/* DIVIDER */
.divider{border:none;border-top:1px solid var(--border);margin:60px 0;}

/* TAG */
.tag{display:inline-block;padding:4px 12px;border-radius:40px;font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;}
.tag-cyan{background:var(--accent-soft);color:var(--accent);border:1px solid var(--border-hover);}
.tag-silver{background:rgba(136,153,187,0.1);color:var(--silver-light);}

/* TIMELINE */
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,var(--accent),transparent);}
.timeline-item{position:relative;margin-bottom:44px;}
.timeline-item::before{content:'';position:absolute;left:-36px;top:6px;width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 10px var(--accent);}
.timeline-year{font-family:'Syne',sans-serif;font-size:12px;color:var(--accent);margin-bottom:6px;letter-spacing:0.1em;}
.timeline-item h3{font-size:1rem;color:var(--white);margin-bottom:6px;}
.timeline-item p{font-size:0.9rem;color:var(--text-secondary);}

/* ACCORDION */
.accordion-item{border-bottom:1px solid var(--border);}
.accordion-trigger{
  width:100%;background:none;border:none;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;text-align:left;
  font-family:'Noto Sans JP',sans-serif;
  font-size:15px;font-weight:500;color:var(--text-primary);
  transition:color var(--t);
}
.accordion-trigger:hover{color:var(--accent);}
.accordion-trigger.open{color:var(--accent);}
.acc-icon{flex-shrink:0;font-size:20px;color:var(--accent);transition:transform var(--t);}
.accordion-trigger.open .acc-icon{transform:rotate(45deg);}
.accordion-body{display:none;padding-bottom:20px;font-size:14px;color:var(--text-secondary);line-height:1.8;}

/* TEAM */
.team-card{text-align:center;}
.team-avatar{
  width:80px;height:80px;border-radius:50%;
  background:var(--accent-soft);border:2px solid var(--border-hover);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
  font-family:'Syne',sans-serif;font-size:1.4rem;font-weight:800;color:var(--accent);
}
.team-name{font-size:1.05rem;color:var(--white);margin-bottom:4px;}
.team-role{font-size:11px;color:var(--accent);letter-spacing:0.1em;text-transform:uppercase;margin-bottom:8px;font-family:'Syne',sans-serif;}
.team-bio{font-size:13px;color:var(--text-secondary);}

/* PLAN CARDS */
.plan-card.featured{border-color:var(--accent-dim);box-shadow:var(--glow);}
.plan-price{font-family:'Syne',sans-serif;font-size:2.2rem;font-weight:800;color:var(--accent);margin:12px 0;}
.plan-price span{font-size:14px;font-weight:400;color:var(--silver);}
.plan-features{margin:20px 0;}
.plan-features li{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;font-size:13px;color:var(--text-secondary);
  border-bottom:1px solid var(--border);
}
.plan-features li::before{content:'✓';color:var(--accent);font-weight:700;}

/* NEWS CARD */
.news-date{font-size:11px;color:var(--accent);font-family:'Syne',sans-serif;letter-spacing:0.1em;margin-bottom:8px;}

/* UTILITIES */
.text-accent{color:var(--accent);}
.text-silver{color:var(--silver);}
.mt-8{margin-top:8px;}.mt-16{margin-top:16px;}.mt-24{margin-top:24px;}.mt-40{margin-top:40px;}.mt-60{margin-top:60px;}
.mb-8{margin-bottom:8px;}.mb-16{margin-bottom:16px;}.mb-24{margin-bottom:24px;}.mb-40{margin-bottom:40px;}
.text-center{text-align:center;}
.w-full{width:100%;}
.flex{display:flex;}.items-center{align-items:center;}.justify-between{justify-content:space-between;}
.gap-8{gap:8px;}.gap-16{gap:16px;}.gap-24{gap:24px;}
.relative{position:relative;}

/* RESPONSIVE */
@media(max-width:1024px){
  .nav-links>li>a{padding:7px 9px;font-size:12px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .feature-split{grid-template-columns:1fr;gap:40px;}
  .feature-split.reverse .feature-visual{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media(max-width:768px){
  :root{--nav-height:64px;}
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;top:var(--nav-height);left:0;right:0;
    background:rgba(6,13,26,0.98);
    backdrop-filter:blur(24px);
    flex-direction:column;align-items:stretch;
    padding:16px;gap:4px;
    max-height:calc(100vh - var(--nav-height));
    overflow-y:auto;
    transform:translateX(100%);
    transition:transform var(--t);
    border-bottom:1px solid var(--border);
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links>li>a{padding:12px 16px;font-size:14px;}
  .dropdown-menu{
    position:static;opacity:1;visibility:visible;
    transform:none;box-shadow:none;
    background:var(--accent-soft);border:none;
    padding-left:12px;margin-top:4px;
  }
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  section{padding:70px 20px;}
  .stats-bar{flex-direction:column;}
  .stat-item{border-right:none;border-bottom:1px solid var(--border);}
  .stat-item:last-child{border-bottom:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .hero-content{padding:60px 20px;}
  .page-hero{padding:120px 20px 60px;}
}
@media(max-width:480px){
  .grid-4{grid-template-columns:1fr;}
  .card{padding:24px 20px;}
  .btn{padding:11px 22px;font-size:13px;}
  .hero h1{font-size:2rem;}
}