/* ============================================
   MIRAI JUKU - Design C
   Futuristic Dark Tech
   ============================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#0F172A;
  --sfc:#1E293B;
  --sfc2:#0F172A;
  --txt:#E2E8F0;
  --mut:#94A3B8;
  --pri:#0F172A;
  --acc:#06B6D4;
  --acc2:#22D3EE;
  --glow:rgba(6,182,212,.15);
  --fe:'Space Grotesk',sans-serif;
  --fj:'Noto Sans JP',sans-serif;
  --rad:8px;
}

html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--fj);background:var(--bg);color:var(--txt);line-height:1.8;overflow-x:hidden;font-weight:400}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ── Sample Banner ── */
.sample-banner{
  position:fixed;top:0;left:0;right:0;
  background:rgba(6,182,212,.9);
  color:#0F172A;text-align:center;font-size:12px;
  padding:8px 16px;z-index:99999;letter-spacing:1px;font-weight:600;
  backdrop-filter:blur(4px);
}

/* ── Header ── */
.header{
  position:fixed;top:32px;left:0;right:0;z-index:9998;
  padding:14px 0;transition:all .4s;
}
.header.scrolled{
  background:rgba(15,23,42,.95);
  backdrop-filter:blur(20px);
  box-shadow:0 2px 24px rgba(6,182,212,.08);
  border-bottom:1px solid rgba(6,182,212,.1);
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-mark{
  width:42px;height:42px;
  border:1.5px solid var(--acc);
  color:var(--acc);display:flex;align-items:center;justify-content:center;
  font-family:var(--fe);font-weight:700;font-size:1rem;
  border-radius:4px;position:relative;
}
.logo-mark::before{
  content:'';position:absolute;inset:-3px;
  border:1px solid rgba(6,182,212,.2);border-radius:6px;
}
.logo-text{
  font-family:var(--fe);font-size:1.05rem;font-weight:600;
  color:var(--txt);letter-spacing:3px;line-height:1.2;
}
.logo-text small{
  display:block;font-size:.55rem;font-weight:400;
  color:var(--acc);letter-spacing:2px;font-family:var(--fj);
}
.nav{display:flex;align-items:center;gap:24px}
.nav a{
  font-size:.78rem;font-weight:500;color:var(--mut);
  letter-spacing:1px;transition:.3s;
}
.nav a:hover{color:var(--acc)}
.nav-cta{
  background:var(--acc)!important;color:var(--bg)!important;
  padding:10px 22px;border-radius:4px;font-weight:700!important;
}
.hamburger{
  display:none;flex-direction:column;gap:5px;
  cursor:pointer;padding:8px;background:none;border:none;
}
.hamburger span{width:24px;height:2px;background:var(--acc);display:block;transition:.3s}
.mobile-nav{
  display:none;position:fixed;inset:0;
  background:rgba(15,23,42,.98);z-index:9997;
  flex-direction:column;align-items:center;justify-content:center;gap:28px;
}
.mobile-nav.active{display:flex}
.mobile-nav a{font-size:1.1rem;color:var(--txt);text-decoration:none;letter-spacing:2px}

@media(max-width:840px){
  .hamburger{display:flex}
  .nav{display:none}
  .header-inner{padding:0 20px}
}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.82rem;font-weight:600;padding:14px 32px;
  border-radius:4px;transition:all .3s;border:none;
  cursor:pointer;text-decoration:none;letter-spacing:1px;
}
.btn-accent{background:var(--acc);color:var(--bg)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(6,182,212,.3)}
.btn-ghost{
  border:1px solid rgba(6,182,212,.3);color:var(--acc);background:transparent;
}
.btn-ghost:hover{background:rgba(6,182,212,.08)}
.btn-full{width:100%;justify-content:center}

/* ── Hero ── */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;padding:140px 20px 80px;text-align:center;
}
.hero-circuit{
  position:absolute;inset:0;overflow:hidden;
}
.hero-circuit canvas{
  position:absolute;inset:0;width:100%;height:100%;
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(6,182,212,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(6,182,212,.03) 1px,transparent 1px);
  background-size:60px 60px;
}
.hero-glow{
  position:absolute;top:50%;left:50%;
  width:800px;height:800px;
  background:radial-gradient(circle,rgba(6,182,212,.08) 0%,transparent 60%);
  transform:translate(-50%,-50%);
  animation:pulse-glow 6s ease-in-out infinite;
}
@keyframes pulse-glow{
  0%,100%{opacity:.6;transform:translate(-50%,-50%) scale(1)}
  50%{opacity:1;transform:translate(-50%,-50%) scale(1.15)}
}
.hero-content{position:relative;z-index:2;max-width:760px}
.hero-label{
  font-family:var(--fe);font-size:.7rem;
  color:var(--acc);letter-spacing:6px;
  margin-bottom:24px;display:inline-block;
  padding:6px 20px;
  border:1px solid rgba(6,182,212,.2);
  border-radius:2px;
  text-transform:uppercase;
}
.hero h1{
  font-size:clamp(2rem,5.5vw,3.8rem);
  font-weight:700;line-height:1.3;margin-bottom:12px;
}
.hero h1 .gradient-text{
  background:linear-gradient(135deg,var(--acc),#a78bfa,var(--acc2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-tagline{
  font-family:var(--fe);font-size:clamp(1rem,2vw,1.3rem);
  color:var(--acc);font-weight:300;letter-spacing:4px;
  margin-bottom:24px;
}
.hero-desc{
  font-size:.9rem;color:var(--mut);line-height:2;
  margin-bottom:36px;max-width:560px;margin-left:auto;margin-right:auto;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}

/* ── Trust Bar ── */
.trust-bar{
  border-top:1px solid rgba(6,182,212,.1);
  border-bottom:1px solid rgba(6,182,212,.1);
  padding:40px 5%;background:rgba(6,182,212,.02);
}
.trust-items{
  max-width:1000px;margin:0 auto;
  display:flex;justify-content:center;gap:48px;flex-wrap:wrap;
}
.trust-item{text-align:center}
.trust-num{
  font-family:var(--fe);font-size:2.2rem;font-weight:700;color:var(--acc);
}
.trust-unit{font-size:.8rem;color:var(--acc)}
.trust-label{
  display:block;font-size:.68rem;color:var(--mut);
  margin-top:4px;letter-spacing:1px;
}
.trust-divider{
  width:1px;height:40px;background:rgba(6,182,212,.15);align-self:center;
}

/* ── Section ── */
.section{padding:100px 0}
.section-alt{background:var(--sfc)}
.section-header{text-align:center;margin-bottom:60px}
.section-label{
  font-family:'Courier New',monospace;font-size:.72rem;
  color:var(--acc);letter-spacing:4px;
  display:inline-block;margin-bottom:12px;
  padding:4px 16px;
  border:1px solid rgba(6,182,212,.15);
  border-radius:2px;
  text-transform:uppercase;
}
.section-label::before{content:'// '}
.section-title{
  font-size:clamp(1.5rem,3vw,2.2rem);
  font-weight:700;letter-spacing:1px;
}
.section-line{
  width:60px;height:2px;margin:16px auto 0;
  background:linear-gradient(90deg,transparent,var(--acc),transparent);
}
.section-sub{
  font-size:.88rem;color:var(--mut);margin-top:16px;
  max-width:600px;margin-left:auto;margin-right:auto;line-height:1.9;
}
.container{max-width:1100px;margin:0 auto;padding:0 40px}

@media(max-width:768px){
  .container{padding:0 20px}
  .section{padding:64px 0}
}

/* ── Course Cards (Glassmorphism) ── */
.course-grid{
  max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:0 40px;
}
.course-card{
  background:rgba(30,41,59,.6);
  backdrop-filter:blur(16px);
  border:1px solid rgba(6,182,212,.12);
  border-radius:var(--rad);
  padding:36px 28px;
  position:relative;overflow:hidden;
  transition:all .4s;
}
.course-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--acc),transparent);
  opacity:0;transition:opacity .4s;
}
.course-card:hover{
  transform:translateY(-6px);
  border-color:rgba(6,182,212,.3);
  box-shadow:0 12px 40px rgba(6,182,212,.1);
}
.course-card:hover::before{opacity:1}
.course-icon{
  width:56px;height:56px;
  border:1.5px solid rgba(6,182,212,.3);
  border-radius:var(--rad);
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:20px;
  background:rgba(6,182,212,.05);
}
.course-label{
  font-family:'Courier New',monospace;font-size:.65rem;
  color:var(--acc);letter-spacing:3px;margin-bottom:8px;
  display:block;text-transform:uppercase;
}
.course-card h3{font-size:1.1rem;font-weight:700;margin-bottom:12px}
.course-card p{font-size:.82rem;color:var(--mut);line-height:1.9;margin-bottom:16px}
.course-price{
  font-family:var(--fe);font-size:1.1rem;font-weight:700;
  color:var(--acc);display:block;
}
.course-price small{font-size:.75rem;font-weight:400;color:var(--mut)}

@media(max-width:840px){
  .course-grid{grid-template-columns:1fr;padding:0 20px}
}

/* ── Feature Grid ── */
.feature-grid{
  max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:0 40px;
}
.feature-card{
  text-align:center;padding:36px 20px;
  border:1px solid rgba(6,182,212,.1);
  border-radius:var(--rad);transition:all .3s;
  background:rgba(6,182,212,.02);
}
.feature-card:hover{
  transform:translateY(-4px);
  border-color:rgba(6,182,212,.25);
  box-shadow:0 8px 24px rgba(6,182,212,.08);
}
.feature-num{
  font-family:var(--fe);font-size:2.8rem;font-weight:700;
  background:linear-gradient(135deg,var(--acc),#a78bfa);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  opacity:.25;margin-bottom:12px;line-height:1;display:block;
}
.feature-card h3{font-size:.92rem;font-weight:700;margin-bottom:10px;color:var(--acc)}
.feature-card p{font-size:.8rem;color:var(--mut);line-height:1.9}

@media(max-width:840px){
  .feature-grid{grid-template-columns:1fr 1fr;padding:0 20px}
}
@media(max-width:480px){
  .feature-grid{grid-template-columns:1fr}
}

/* ── Testimonials ── */
.testimonial-grid{
  max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:0 40px;
}
.testimonial-card{
  border:1px solid rgba(6,182,212,.1);
  border-radius:var(--rad);padding:32px 28px;
  background:rgba(30,41,59,.4);
  backdrop-filter:blur(8px);
  transition:all .3s;
}
.testimonial-card:hover{
  border-color:rgba(6,182,212,.25);
  box-shadow:0 8px 24px rgba(6,182,212,.08);
}
.testimonial-stars{
  color:var(--acc);font-size:.85rem;margin-bottom:12px;letter-spacing:3px;
}
.testimonial-text{
  font-size:.85rem;color:var(--mut);line-height:2;margin-bottom:16px;
}
.testimonial-author{font-size:.75rem;color:var(--acc);letter-spacing:1px}

@media(max-width:840px){
  .testimonial-grid{grid-template-columns:1fr;padding:0 20px}
}

/* ── Director ── */
.director-block{
  max-width:1000px;margin:0 auto;
  display:grid;grid-template-columns:280px 1fr;gap:56px;
  align-items:center;padding:0 40px;
}
.director-avatar{
  width:100%;aspect-ratio:3/4;
  border:1px solid rgba(6,182,212,.15);
  border-radius:var(--rad);
  background:var(--sfc);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:40px;text-align:center;
  position:relative;overflow:hidden;
}
.director-avatar::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--acc),transparent);
}
.director-avatar-icon{
  font-size:4rem;color:var(--acc);opacity:.3;margin-bottom:16px;
}
.director-avatar-name{
  font-size:1.1rem;font-weight:600;margin-bottom:4px;
}
.director-avatar-title{
  font-size:.75rem;color:var(--mut);
}
.director-info h3{
  font-family:var(--fe);font-size:1.1rem;font-weight:300;
  color:var(--acc);margin-bottom:4px;letter-spacing:3px;
}
.director-info .name{
  font-size:1.2rem;font-weight:600;margin-bottom:20px;
}
.director-info p{
  font-size:.88rem;color:var(--mut);line-height:2.2;margin-bottom:14px;
}

@media(max-width:768px){
  .director-block{grid-template-columns:1fr;padding:0 20px}
}

/* ── Flow ── */
.flow-list{max-width:900px;margin:0 auto;padding:0 40px}
.flow-item{
  display:flex;gap:32px;align-items:flex-start;
  padding:28px 0;border-bottom:1px solid rgba(6,182,212,.1);
}
.flow-num{
  font-family:var(--fe);font-size:1.8rem;font-weight:300;
  color:var(--acc);opacity:.4;min-width:50px;
}
.flow-item h4{font-size:1rem;font-weight:600;margin-bottom:6px}
.flow-item p{font-size:.85rem;color:var(--mut);line-height:1.9}

@media(max-width:768px){
  .flow-list{padding:0 20px}
}

/* ── Info Table ── */
.info-table{max-width:800px;margin:0 auto;padding:0 20px}
.info-table table{width:100%;border-collapse:collapse}
.info-table th{
  width:160px;color:var(--acc);font-size:.8rem;font-weight:500;
  padding:14px 20px;border-bottom:1px solid rgba(6,182,212,.08);text-align:left;
}
.info-table td{
  padding:14px 20px;font-size:.85rem;color:var(--mut);
  border-bottom:1px solid rgba(6,182,212,.08);
}

@media(max-width:600px){
  .info-table th{width:120px;padding:10px 12px;font-size:.75rem}
  .info-table td{padding:10px 12px;font-size:.8rem}
}

/* ── FAQ ── */
.faq-list{max-width:800px;margin:0 auto;padding:0 20px}
.faq-item{border-bottom:1px solid rgba(6,182,212,.1)}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 0;cursor:pointer;font-size:.92rem;font-weight:500;
  transition:color .3s;
}
.faq-q:hover{color:var(--acc)}
.faq-toggle{
  font-family:var(--fe);font-size:1.3rem;color:var(--acc);
  transition:transform .3s;flex-shrink:0;margin-left:16px;
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{font-size:.85rem;color:var(--mut);line-height:2;padding-bottom:20px}
.faq-item.open .faq-toggle{transform:rotate(45deg)}
.faq-item.open .faq-a{max-height:300px}

/* ── CTA ── */
.cta-section{
  padding:100px 5%;text-align:center;
  background:var(--sfc);
  border-top:1px solid rgba(6,182,212,.1);
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:50%;left:50%;
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(6,182,212,.06) 0%,transparent 60%);
  transform:translate(-50%,-50%);
}
.cta-section h2{
  font-size:clamp(1.3rem,2.5vw,1.8rem);
  font-weight:700;margin-bottom:12px;position:relative;
}
.cta-section .cta-sub{
  color:var(--mut);margin-bottom:32px;font-size:.88rem;position:relative;
}
.cta-buttons{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative;
}
.cta-tel{
  margin-top:24px;color:var(--mut);font-size:.8rem;position:relative;
}
.cta-tel a{
  color:var(--acc);text-decoration:none;font-family:var(--fe);
  font-size:1.4rem;font-weight:700;letter-spacing:3px;
}

/* ── Circuit Break ── */
.circuit-break{
  position:relative;height:200px;overflow:hidden;
  background:var(--bg);
  border-top:1px solid rgba(6,182,212,.08);
  border-bottom:1px solid rgba(6,182,212,.08);
}
.circuit-break-inner{
  position:absolute;inset:0;display:flex;
  align-items:center;justify-content:center;text-align:center;
}
.circuit-break-text{
  font-size:clamp(1rem,2.5vw,1.6rem);
  font-weight:300;color:var(--acc);
  letter-spacing:4px;font-family:var(--fe);
}
.circuit-break-text small{
  display:block;font-size:.78rem;font-weight:400;
  color:var(--mut);margin-top:8px;letter-spacing:2px;
  font-family:var(--fj);
}

/* ── Footer ── */
.footer{
  background:#080E1A;color:var(--mut);
  padding:48px 5% 24px;
  border-top:1px solid rgba(6,182,212,.08);
}
.footer-inner{
  max-width:1200px;margin:0 auto;
  display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:40px;margin-bottom:40px;
}
.footer-brand{
  font-family:var(--fe);font-size:1.05rem;font-weight:600;
  color:var(--txt);letter-spacing:3px;margin-bottom:8px;
}
.footer-desc{font-size:.72rem;color:#555;line-height:1.8}
.footer-links{display:flex;gap:48px;flex-wrap:wrap}
.footer-links h4{
  font-size:.65rem;color:var(--acc);margin-bottom:12px;
  letter-spacing:3px;font-family:var(--fe);text-transform:uppercase;
}
.footer-links a{
  display:block;font-size:.75rem;color:#555;
  text-decoration:none;line-height:2.2;transition:color .3s;
}
.footer-links a:hover{color:var(--acc)}
.footer-bottom{
  max-width:1200px;margin:0 auto;
  border-top:1px solid rgba(6,182,212,.08);padding-top:20px;
  display:flex;justify-content:space-between;
  font-size:.62rem;color:#444;flex-wrap:wrap;gap:12px;
}

@media(max-width:768px){
  .footer-inner{flex-direction:column}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* ── Animations ── */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .8s,transform .8s}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Terminal typing */
.terminal-cursor{
  display:inline-block;width:2px;height:1em;
  background:var(--acc);margin-left:4px;
  animation:blink-cursor .8s step-end infinite;
  vertical-align:text-bottom;
}
@keyframes blink-cursor{
  50%{opacity:0}
}

/* Particle container */
.particle-container{
  position:absolute;inset:0;pointer-events:none;overflow:hidden;
}