:root{
  --bg:#0b1020;
  --bg-soft:#0e1530;
  --surface:#121936;
  --text:#e8ecf7;
  --muted:#a9b0c6;
  --brand:#4aa8ff;
  --brand-2:#7c5cff;
  --accent:#23d2b5;
  --danger:#ff5263;
  --shadow:0 10px 30px rgba(0,0,0,.25);
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:22px;
  --container:1366px;
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  color:var(--text);
  background:var(--bg);
  font:400 16px/1.7 system-ui, -apple-system, Segoe UI, Roboto, Noto Sans JP, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}

.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:16px;top:16px;width:auto;height:auto;padding:10px 14px;background:#000;border-radius:8px;z-index:9999}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(11,16,32,.6);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand img{display:block}
.site-nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.site-nav a{color:var(--text);text-decoration:none;padding:10px 12px;border-radius:10px}
.site-nav a:hover,.site-nav a:focus{background:rgba(255,255,255,.06)}

.nav-toggle{display:none;position:relative;width:44px;height:44px;border:0;border-radius:10px;background:transparent;color:var(--text)}
.nav-toggle:focus-visible{outline:2px solid var(--brand)}
.nav-toggle-bar{display:block;width:22px;height:2px;background:var(--text);margin:4px auto;border-radius:2px}

@media (max-width: 860px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .site-nav{position:fixed;inset:64px 0 auto 0;background:rgba(18,25,54,.9);backdrop-filter:blur(10px);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s}
  .site-nav ul{flex-direction:column;padding:16px}
  .site-nav a{padding:14px 12px}
  .site-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
}

/* Hero */
.hero{position:relative;padding:88px 0 48px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.eyebrow{letter-spacing:.12em;color:var(--accent);text-transform:uppercase;font-weight:700;margin:0 0 10px}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:0 0 18px}
.hero .lede{color:var(--muted);margin:0 0 22px}
.highlight{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-media img{width:100%;height:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.hero-bg{position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(900px 480px at 60% 10%, rgba(35,210,181,.12), transparent 60%),
  radial-gradient(600px 360px at 20% 0%, rgba(124,92,255,.10), transparent 60%)}

@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr}
}

/* Sections */
.section{padding:64px 0}
.features.section{background:rgba(255,255,255,.03)}
.section-head{margin:0 0 28px}
.section-head h2{font-size:clamp(22px,3.4vw,32px);margin:0 0 8px}
.section-head p{color:var(--muted);margin:0}

.grid{display:grid;gap:18px}
.cards{grid-template-columns:repeat(3,1fr)}
.service-list{grid-template-columns:repeat(3,1fr)}

@media (max-width: 980px){
  .cards,.service-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 640px){
  .cards,.service-list{grid-template-columns:1fr}
}

/* Card */
.card{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card img{display:block;margin:6px 0 10px}
.card h3{margin:4px 0 8px;font-size:20px}
.card p{margin:0;color:var(--muted)}
.card.large{padding:24px}

/* Forms */
.form-field{margin:0 0 14px}
.form-field label{display:block;margin:0 0 6px}
.form-field input,
.form-field textarea{display:block;width:100%;min-width:0;height:48px;padding:0 14px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:var(--text)}
.form-field textarea{height:auto;padding:12px 14px;line-height:1.6;resize:vertical}
.error{margin:6px 0 0;color:var(--danger);font-size:14px}
.form-actions{margin-top:6px}

.service{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.service h3{margin:0 0 10px}
.service ul{margin:0;padding:0 0 0 18px;color:var(--muted)}

/* CTA */
.cta{padding:72px 0;background:linear-gradient(180deg, rgba(124,92,255,.08), rgba(74,168,255,.06));overflow:hidden}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{flex:1 1 240px;min-width:220px;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);color:var(--text);padding:0 14px}
.cta-form input::placeholder{color:#c8cee3}
.form-note{margin:6px 0 0;color:var(--muted);font-size:14px}

@media (max-width: 980px){
  .cta-inner{grid-template-columns:1fr}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  text-decoration:none;border-radius:24px;padding:16px 24px;font-weight:700;border:1px solid transparent;transition:transform .2s ease, box-shadow .2s ease}
.btn:focus-visible{outline:2px solid var(--brand)}
.btn-primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 6px 18px rgba(124,92,255,.35)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(255,255,255,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn.small{padding:8px 12px;border-radius:10px}

/* Footer */
.site-footer{border-top:1px solid rgba(255,255,255,.08);background:rgba(11,16,32,.6)}
.footer-inner{display:flex;align-items:center;justify-content:center;gap:16px;padding:20px 0;text-align:center}
.footer-nav{display:flex;gap:12px;flex-wrap:wrap}
.footer-nav a{color:var(--muted);text-decoration:none}
.footer-nav a:hover,.footer-nav a:focus{color:var(--text)}

/* Animations */
[data-animate]{opacity:0;transform:translateY(8px);transition:opacity .6s ease, transform .6s ease;transition-delay:var(--d,0s)}
.is-visible[data-animate]{opacity:1;transform:none}

@keyframes floaty{
  0%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
  100%{transform:translateY(0)}
}

[data-animate="tilt"]{transform:perspective(800px) rotateX(6deg) translateY(8px);opacity:.001}
.is-visible[data-animate="tilt"]{transform:none;opacity:1}

[data-animate="rise"]{transform:translateY(14px) scale(.98);opacity:.001}
.is-visible[data-animate="rise"]{transform:none;opacity:1}

[data-animate="fade-in"]{transform:none;opacity:.001}
.is-visible[data-animate="fade-in"]{opacity:1}

@media (prefers-reduced-motion: reduce){
  [data-animate]{opacity:1 !important;transform:none !important}
  .btn,.site-nav,.hero-inner{transition:none}
}

/* Accessibility extras */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}