:root {
  --bg:#1a1f2e; --bg-2:#141826; --card:#222838; --card-2:#1e2433;
  --cream:#e8e6e1; --cream-dim:#a8a9ad; --cream-soft:#c9c9cc;
  --accent:#f0a830; --violet:#9b8bd6; --sage:#7fb89e; --sky:#7fa3d6; --coral:#e57461;
  --radius-card:22px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{background:var(--bg);overflow-x:hidden}
body{background:transparent;position:relative;isolation:isolate}

/* Background ambient blobs */
body::before{content:"";position:fixed;inset:-20%;z-index:-1;pointer-events:none;background:
  radial-gradient(40vmax 40vmax at 15% 20%,color-mix(in oklab,var(--accent) 22%,transparent),transparent 60%),
  radial-gradient(38vmax 38vmax at 85% 30%,color-mix(in oklab,var(--violet) 22%,transparent),transparent 60%),
  radial-gradient(45vmax 45vmax at 50% 90%,color-mix(in oklab,var(--sage) 18%,transparent),transparent 60%);
  filter:blur(80px) saturate(120%);
  animation:bg-drift 28s ease-in-out infinite alternate}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:
  radial-gradient(30vmax 30vmax at 70% 10%,color-mix(in oklab,var(--sky) 18%,transparent),transparent 65%),
  radial-gradient(35vmax 35vmax at 20% 80%,color-mix(in oklab,var(--coral) 18%,transparent),transparent 65%);
  filter:blur(90px);
  animation:bg-drift-2 36s ease-in-out infinite alternate}
@keyframes bg-drift{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(4%,-3%,0) scale(1.08)}
  100%{transform:translate3d(-3%,4%,0) scale(1.05)}
}
@keyframes bg-drift-2{
  0%{transform:translate3d(0,0,0) scale(1.05)}
  50%{transform:translate3d(-5%,3%,0) scale(.95)}
  100%{transform:translate3d(3%,-5%,0) scale(1.1)}
}
@media (prefers-reduced-motion: reduce){
  body::before,body::after{animation:none}
}
body{font-family:'Nunito',system-ui,sans-serif;color:var(--cream);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
img{display:block;max-width:100%;-webkit-user-drag:none;user-select:none;-webkit-user-select:none}
.page{max-width:1180px;margin:0 auto;padding:24px 32px 0}

/* HEADER (sticky) */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in oklab,var(--bg) 86%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.site-header.is-scrolled{border-bottom-color:rgba(255,255,255,.06);box-shadow:0 6px 24px -16px rgba(0,0,0,.4)}

/* NAV */
.nav{max-width:1180px;margin:0 auto;padding:10px 32px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;position:relative}
.nav > .logo,.nav > .nav-actions{position:relative;z-index:2}
.logo{height:56px;display:flex;align-items:center}
.logo img{max-height:56px;width:auto;object-fit:contain}
.nav-links{display:flex;gap:32px;font-weight:600;font-size:15px;color:var(--cream-soft);justify-self:center}
.nav-links > a{transition:color .15s;white-space:nowrap}
.nav-links > a:hover{color:var(--cream)}
.nav-cta{justify-self:end}
.nav-actions{justify-self:end;display:flex;align-items:center;gap:18px}
.lang-switch{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--cream-soft)}
.lang-switch a{color:var(--cream-dim);transition:color .15s}
.lang-switch a:hover{color:var(--cream)}
.lang-switch .lang-current{color:var(--accent)}
.nav .nav-drawer-cta{display:none}
.lang-switch--footer{font-size:12px;gap:14px}
.lang-switch--footer a{color:var(--cream-dim);text-decoration:underline;text-decoration-color:rgba(255,255,255,.12);text-underline-offset:3px}
.lang-switch--footer a:hover{color:var(--cream);text-decoration-color:var(--cream)}
.lang-switch--footer .lang-current{color:var(--cream)}

/* Hamburger toggle */
.nav-toggle{display:none;background:none;border:0;width:42px;height:42px;border-radius:12px;color:var(--cream);align-items:center;justify-content:center;cursor:pointer;transition:background .15s}
.nav-toggle:hover{background:rgba(255,255,255,.06)}
.nav-toggle .icon-close{display:none}
.nav-toggle[aria-expanded="true"] .icon-menu{display:none}
.nav-toggle[aria-expanded="true"] .icon-close{display:block}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:12px;padding:14px 22px;border-radius:999px;border:0;font-family:'Nunito',sans-serif;font-weight:700;font-size:15px;letter-spacing:.01em;white-space:nowrap;transition:transform .15s ease,box-shadow .15s ease,filter .15s ease}
.btn-primary{background:var(--accent);color:#2a1d05;box-shadow:0 10px 24px -10px color-mix(in oklab,var(--accent) 60%,transparent)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 14px 28px -10px color-mix(in oklab,var(--accent) 70%,transparent)}
.btn-arrow{width:18px;height:18px;flex-shrink:0}

/* HERO */
.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:32px;align-items:center;padding:24px 0 40px;min-height:600px}
.hero h1{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(48px,6vw,82px);line-height:.98;letter-spacing:-.035em;margin:0 0 22px;color:var(--cream);text-wrap:balance}
html[lang="ja"] .hero h1{font-size:clamp(36px,4.6vw,58px);line-height:1.25;letter-spacing:-.02em;word-break:keep-all;overflow-wrap:break-word;line-break:strict}
.accent{color:var(--accent)}
.lead{font-size:17px;color:var(--cream-soft);margin:0 0 30px;max-width:380px;line-height:1.45}
.hero-cta{margin-bottom:28px}
.chips{display:flex;align-items:center;gap:14px}
.chips-row{display:flex;gap:6px}
.chip{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-size:16px;color:#fff;box-shadow:inset 0 -3px 0 rgba(0,0,0,.18)}
.chip-violet{background:var(--violet)}
.chip-sage{background:var(--sage)}
.chip-coral{background:var(--coral)}
.chips-text{font-size:13px;line-height:1.35;color:var(--cream-dim)}
.hero-right{height:540px;border-radius:24px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-right img{width:100%;height:100%;object-fit:contain}

/* SECTION HEADERS */
.section-header{display:flex;align-items:center;justify-content:center;gap:14px;margin:60px 0 26px}
.section-header h2{font-family:'Sora',sans-serif;font-weight:700;font-size:22px;margin:0;color:var(--cream);letter-spacing:-.01em;white-space:nowrap}
.zigzag{display:block;color:var(--cream)}
.zigzag--cream{color:var(--cream)}
.zigzag--coral{color:var(--coral)}
.zigzag--sage{color:var(--sage)}
.zigzag--violet{color:var(--violet)}
.zigzag--flip{transform:scaleX(-1)}

/* HOW IT WORKS */
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.how-card{position:relative;border-radius:var(--radius-card);aspect-ratio:1 / 1.18;padding:18px;overflow:hidden;box-shadow:inset 0 -4px 0 rgba(0,0,0,.12);display:flex;flex-direction:column}
.how-card--violet{background:var(--violet)}
.how-card--sage{background:var(--sage)}
.how-card--sky{background:var(--sky)}
.how-icon{position:absolute;top:18px;left:18px;z-index:2;opacity:.9;color:var(--cream)}
.how-slot{flex:1;margin:4px -4px 0;display:flex;align-items:center;justify-content:center;overflow:hidden}
.how-slot img{max-width:100%;max-height:230px;width:auto;height:auto;object-fit:contain}
.how-label{font-family:'Sora',sans-serif;font-weight:700;font-size:26px;color:var(--cream);text-align:center;margin-top:8px}
.how-blurb{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.step-num{font-family:'Sora',sans-serif;font-weight:700;font-size:13px;color:var(--accent);letter-spacing:.08em}
.step-title{font-family:'Sora',sans-serif;font-weight:700;font-size:17px;margin:6px 0 6px;color:var(--cream)}
.step-copy{font-size:14px;line-height:1.5;color:var(--cream-dim);max-width:95%}

/* PERSONAS */
.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.persona-card{position:relative;background:var(--card);border-radius:var(--radius-card);padding:22px 22px 28px;border:1px solid rgba(255,255,255,.04);transition:transform .2s ease,border-color .2s ease}
.persona-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.1)}
.persona-icon{position:absolute;top:18px;left:22px;z-index:2}
.persona-slot{aspect-ratio:1 / 1;margin:6px 0 16px;border-radius:16px;overflow:hidden}
.persona-slot img{width:100%;height:100%;object-fit:contain}
.persona-label{font-family:'Sora',sans-serif;font-weight:700;font-size:22px;color:var(--cream);text-align:center;margin-bottom:4px}
.persona-copy{font-size:14px;color:var(--cream-dim);text-align:center}

/* REVENUE */
.rev-card{background:var(--card-2);border-radius:var(--radius-card);border:1px solid rgba(255,255,255,.04);padding:40px 28px 32px;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:16px;align-items:center}
.cluster{display:flex;flex-direction:column;align-items:center;gap:14px}
.cluster-slot{width:100%;max-width:200px;aspect-ratio:1 / 1;overflow:hidden;border-radius:16px}
.cluster-slot img{width:100%;height:100%;object-fit:contain}
.cluster-label{font-family:'Sora',sans-serif;font-weight:700;font-size:18px;color:var(--cream);margin-top:4px}
.cluster-pct{font-size:13px;color:var(--cream-dim)}
.colon{display:flex;flex-direction:column;gap:14px;align-items:center;margin-bottom:28px}
.colon span{width:8px;height:8px;border-radius:50%;background:var(--cream-dim);opacity:.55}
.rev-note{text-align:center;color:var(--cream-dim);font-size:14px;margin:18px auto 0;max-width:480px;line-height:1.5}

/* ROADMAP */
.roadmap-track{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-top:24px}
.roadmap-line{position:absolute;top:35px;left:8%;right:8%;height:2px;background:repeating-linear-gradient(to right,rgba(255,255,255,.18) 0 6px,transparent 6px 12px);z-index:0}
.milestone{position:relative;padding:0 6px}
.milestone-dot{width:22px;height:22px;border-radius:50%;background:var(--card);border:2px solid rgba(255,255,255,.25);margin:0 auto 16px;position:relative;z-index:1;box-shadow:0 0 0 6px var(--bg)}
.milestone.active .milestone-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 6px var(--bg),0 0 0 10px color-mix(in oklab,var(--accent) 25%,transparent)}
.milestone-q{font-family:'Sora',sans-serif;font-weight:700;font-size:12px;color:var(--accent);text-align:center;letter-spacing:.06em}
.milestone-title{font-family:'Sora',sans-serif;font-weight:700;font-size:15px;color:var(--cream);text-align:center;margin:8px 0 6px}
.milestone-body{font-size:13px;color:var(--cream-dim);text-align:center;line-height:1.45}

/* FAQ — native <details> */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:760px;margin:0 auto}
.faq{background:var(--card);border:1px solid rgba(255,255,255,.04);border-radius:16px;padding:18px 22px;transition:background .15s,border-color .15s}
.faq:hover{background:var(--card-2);border-color:rgba(255,255,255,.1)}
.faq[open]{background:var(--card-2);border-color:rgba(255,255,255,.1)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:'Sora',sans-serif;font-weight:600;font-size:16px;cursor:pointer;list-style:none;color:var(--cream)}
.faq summary::-webkit-details-marker{display:none}
.faq .chevron{transition:transform .25s ease;flex-shrink:0}
.faq[open] .chevron{transform:rotate(180deg)}
.faq p{margin:12px 0 0;color:var(--cream-dim);font-size:14px;line-height:1.55;max-width:92%}

/* CTA */
.cta-section{margin:60px 0 40px}
.cta-card{background:var(--card-2);border-radius:var(--radius-card);border:1px solid rgba(255,255,255,.04);padding:36px;display:grid;grid-template-columns:1.1fr 1.3fr .7fr;gap:24px;align-items:center;position:relative;overflow:hidden}
.cta-left h2{font-family:'Sora',sans-serif;font-weight:800;font-size:36px;line-height:1;letter-spacing:-.02em;color:var(--cream);margin:0 0 14px}
.cta-squiggle{display:block;margin:8px 0}
.cta-left p{margin:0;color:var(--cream-dim);font-size:14px}
.cta-form{display:flex;flex-direction:column;gap:10px}
.cta-form input{background:var(--bg-2);border:1px solid rgba(255,255,255,.06);color:var(--cream);font-family:inherit;font-size:15px;padding:16px 20px;border-radius:14px;width:100%;outline:none;transition:border-color .15s}
.cta-form input::placeholder{color:var(--cream-dim)}
.cta-form input:focus{border-color:var(--accent)}
.cta-form .btn{justify-content:center;width:100%;padding:16px 22px}
.cta-mascot{height:180px;border-radius:20px;overflow:hidden}
.cta-mascot img{width:100%;height:100%;object-fit:contain}

/* FOOTER */
.footer{border-top:1px solid rgba(255,255,255,.06);padding:32px 0 28px;margin-top:20px}
.footer-top{display:grid;grid-template-columns:1fr 2fr auto;gap:32px;align-items:start;margin-bottom:28px}
.footer-tag{color:var(--cream-dim);font-size:14px;margin-top:4px}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;font-size:14px}
.footer-cols a{display:block;color:var(--cream-dim);padding:3px 0;transition:color .15s}
.footer-cols a:hover{color:var(--cream)}
.col-h{font-family:'Sora',sans-serif;font-weight:700;color:var(--cream);margin-bottom:6px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:var(--card);display:grid;place-items:center;color:var(--cream-dim);transition:background .15s,color .15s}
.footer-social a:hover{background:var(--card-2);color:var(--cream)}
.footer-bottom{display:flex;justify-content:space-between;color:var(--cream-dim);font-size:12px;padding-top:18px;border-top:1px solid rgba(255,255,255,.04)}
.footer-links{display:flex;gap:20px}

/* Tablet landscape and small desktop (881-1100): tighten spacing */
@media (max-width: 1100px){
  .page{padding:20px 24px 0}
  .hero{gap:24px;padding:16px 0 32px;min-height:auto}
  .hero h1{font-size:clamp(44px,5.4vw,68px)}
  html[lang="ja"] .hero h1{font-size:clamp(32px,4vw,48px)}
  .hero-right{height:440px}
  .nav-links{gap:24px;font-size:14px}
  .section-header{margin:48px 0 20px}
  .cta-card{padding:28px;gap:18px}
  .cta-left h2{font-size:30px}
}

/* Tablet portrait / mobile (≤880): single column + hamburger drawer */
@media (max-width: 880px){
  .nav{grid-template-columns:1fr auto;padding:14px 22px}
  .nav-toggle{display:inline-flex;width:44px;height:44px}
  .nav-cta{display:none}
  .nav-actions{gap:0}
  .nav-links{position:fixed;top:0;left:0;right:0;height:100vh;height:100dvh;justify-self:stretch;padding:88px 28px 40px;background:var(--bg);flex-direction:column;align-items:stretch;gap:0;font-size:18px;z-index:1;overflow-y:auto;transform:translateY(-100%);visibility:hidden;transition:transform .25s ease,visibility .25s}
  .nav-links.is-open{transform:translateY(0);visibility:visible}
  .nav-links > a{padding:18px 4px;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav .nav-drawer-cta{display:inline-flex;justify-content:center;margin-top:auto;padding:18px 24px;font-size:17px}
  .hero{grid-template-columns:1fr;padding:8px 0 24px}
  .hero h1{font-size:clamp(40px,9vw,60px)}
  html[lang="ja"] .hero h1{font-size:clamp(30px,7vw,46px)}
  .hero-right{height:360px}
  .how-grid,.persona-grid,.how-blurb{grid-template-columns:1fr}
  .rev-card{grid-template-columns:1fr;gap:22px;padding:28px 20px}
  .colon{flex-direction:row;margin-bottom:0}
  .roadmap-track{grid-template-columns:1fr 1fr;gap:24px}
  .roadmap-line{display:none}
  .cta-card{grid-template-columns:1fr;padding:28px 22px}
  .cta-left h2{font-size:28px}
  .cta-mascot{height:200px}
  .footer-top{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:10px;align-items:flex-start}
}

/* Small mobile (≤560): compact nav and tighter spacing */
@media (max-width: 560px){
  .page{padding:14px 16px 0}
  .logo{height:48px}
  .logo img{max-height:48px}
  .nav{padding:12px 18px;gap:10px}
  .nav-actions{gap:10px}
  .lang-switch{gap:6px;font-size:12px}
  .nav-cta{padding:10px 14px;font-size:13px;gap:6px}
  .nav-cta .btn-arrow{width:14px;height:14px}
  .hero h1{font-size:clamp(36px,11vw,54px)}
  html[lang="ja"] .hero h1{font-size:clamp(26px,8vw,40px);line-height:1.3}
  .hero-right{height:280px}
  .lead{font-size:15px}
  .section-header{margin:40px 0 16px;gap:10px}
  .section-header h2{font-size:19px}
  .how-card{padding:14px}
  .how-label{font-size:22px}
  .persona-card{padding:18px 18px 22px}
  .roadmap-track{grid-template-columns:1fr;gap:20px;padding-top:8px}
  .cta-left h2{font-size:24px}
  .cta-form input{padding:14px 16px}
  .cta-form .btn{padding:14px 18px}
}