:root{
  --font-display:"Instrument Serif",Georgia,"Songti SC",serif;
  --font-body:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI",sans-serif;
  --bg:#07080a;
  --surface:#0e1014;
  --lift:#141820;
  --line:rgba(243,240,234,.08);
  --text:#f4f1ea;
  --muted:#9a9eab;
  --faint:#616676;
  --ink:#07080a;
  --brand:#d8b16a;
  --brand-soft:rgba(216,177,106,.14);
  --w:1280px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:5rem;-webkit-text-size-adjust:100%}
body{
  min-height:100dvh;
  font:400 16px/1.65 var(--font-body);
  color:var(--text);
  background:var(--bg);
  letter-spacing:-.011em;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.wrap{width:min(100% - 1.5rem,var(--w));margin-inline:auto}
@media(min-width:768px){
  .wrap{width:min(100% - 3rem,var(--w))}
}

/* Nav */
.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(7,8,10,.72);
  backdrop-filter:blur(18px) saturate(1.2);
  border-bottom:1px solid transparent;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.nav.is-scrolled{border-bottom-color:var(--line);background:rgba(7,8,10,.9)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;min-height:4.25rem;gap:1rem}
.logo{font-family:var(--font-body);font-size:1.35rem;font-weight:700;letter-spacing:-.02em;line-height:1}
.logo span{color:var(--brand)}
.nav__links{display:none;align-items:center;gap:1.75rem}
.nav__links a{color:var(--muted);font-size:.875rem;font-weight:500}
.nav__links a:hover{color:var(--text)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  min-height:2.85rem;padding:.75rem 1.25rem;border-radius:.55rem;
  font-size:.9rem;font-weight:600;letter-spacing:.01em;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand);color:var(--ink)}
.btn--primary:hover{background:#e4c184}
.btn--ghost{
  border:1px solid rgba(244,241,234,.18);
  color:var(--text);
  background:rgba(7,8,10,.25);
}
.btn--ghost:hover{border-color:rgba(244,241,234,.4);background:rgba(20,24,32,.55)}
.btn--lg{min-height:3.15rem;padding:.85rem 1.45rem;font-size:.95rem}

/* Hero */
.hero{
  position:relative;
  min-height:auto;
  display:grid;
  align-items:start;
  padding:1.25rem 0 2.75rem;
  overflow:hidden;
}
.hero__bg{
  position:absolute;inset:0;
  background:center 40%/cover no-repeat;
  filter:brightness(.78) saturate(.95) contrast(1.02);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,8,10,.28) 0%,rgba(7,8,10,.42) 50%,rgba(7,8,10,.82) 100%),
    linear-gradient(90deg,rgba(7,8,10,.35) 0%,transparent 60%);
}
.hero__content{position:relative;z-index:1;max-width:100%;padding-top:.25rem}
.hero__kicker{
  display:inline-block;
  margin-bottom:.7rem;
  color:var(--brand);
  font-size:.7rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.hero__h1{margin:0 0 .65rem;font-weight:400}
.hero__brand{
  display:block;
  font-family:var(--font-body);
  font-size:clamp(3.2rem,14vw,4.5rem);
  line-height:.95;
  letter-spacing:-.03em;
  margin-bottom:.7rem;
  font-weight:700;
}
.hero__brand em{color:var(--brand);font-style:normal}
.hero__title{
  display:block;
  font-family:var(--font-display);
  font-size:clamp(1.7rem,6vw,2.1rem);
  font-weight:400;
  letter-spacing:-.02em;
  color:rgba(244,241,234,.95);
}
.hero__title-en{
  display:block;
  margin-top:.35rem;
  font-family:var(--font-body);
  font-size:clamp(.95rem,3.2vw,1.1rem);
  font-weight:500;
  letter-spacing:.02em;
  color:rgba(244,241,234,.72);
}
.hero__sub{
  color:var(--muted);
  max-width:38ch;
  font-size:1rem;
  line-height:1.65;
  margin-bottom:.35rem;
}
.hero__sub-en{
  color:var(--faint);
  max-width:42ch;
  font-size:.9rem;
  line-height:1.6;
  margin-bottom:1.35rem;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:.65rem}
.hero__actions .btn{flex:1 1 auto;min-width:9.5rem}
.btn__stack{display:flex;flex-direction:column;align-items:center;line-height:1.15;gap:.15rem}
.btn__stack small{font-size:.68rem;font-weight:500;opacity:.75;letter-spacing:.02em}

/* Sections */
.section{padding:4.5rem 0}
.section--soft{background:linear-gradient(180deg,var(--surface),var(--bg))}
.section__head{max-width:34rem;margin-bottom:2rem}
.section__label{
  display:block;
  margin-bottom:.65rem;
  color:var(--brand);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.section__title{
  font-family:var(--font-display);
  font-size:clamp(2rem,4.5vw,2.75rem);
  font-weight:400;
  letter-spacing:-.03em;
  line-height:1.1;
  margin-bottom:.75rem;
}
.section__desc{color:var(--muted);font-size:1rem;line-height:1.75;max-width:40ch}
.section__desc-en,.en-line{
  display:block;
  margin-top:.4rem;
  color:var(--faint);
  font-size:.9rem;
  line-height:1.65;
  max-width:44ch;
}
.feature .en-line,.faq .en-line{max-width:40ch}
.prose .en{
  color:var(--faint);
  font-size:.92rem;
}

/* Feature row */
.features{
  display:grid;
  gap:0;
  border-top:1px solid var(--line);
}
.feature{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:1rem 1.25rem;
  padding:1.5rem 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.feature__num{
  font-family:var(--font-display);
  font-size:1.35rem;
  color:var(--brand);
  line-height:1;
  padding-top:.15rem;
}
.feature h3{
  font-size:1rem;
  font-weight:600;
  margin-bottom:.35rem;
  letter-spacing:-.01em;
}
.feature p{color:var(--muted);font-size:.92rem;line-height:1.65;max-width:34ch}

/* Areas */
.areas{
  display:grid;
  grid-template-columns:1fr;
  gap:.65rem;
}
.area{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1.2rem 1.15rem;
  background:var(--lift);
  border:1px solid var(--line);
  border-radius:.7rem;
  transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.area:hover{
  border-color:rgba(216,177,106,.35);
  background:#181d28;
  transform:translateY(-2px);
}
.area strong{
  display:block;
  font-family:var(--font-display);
  font-size:1.35rem;
  font-weight:400;
  letter-spacing:-.02em;
  margin-bottom:.2rem;
}
.area small{color:var(--muted);font-size:.82rem}
.area__arrow{
  color:var(--brand);
  font-size:1.1rem;
  opacity:.75;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.area:hover .area__arrow{transform:translateX(3px);opacity:1}

/* FAQ */
.faq{max-width:40rem;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;
  padding:1.2rem 0;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  font-size:1rem;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";
  width:.55rem;height:.55rem;
  border-right:1.5px solid var(--brand);
  border-bottom:1.5px solid var(--brand);
  transform:rotate(45deg);
  transition:transform .2s var(--ease);
  flex-shrink:0;
  margin-top:-.2rem;
}
.faq details[open] summary::after{transform:rotate(225deg);margin-top:.2rem}
.faq summary:hover{color:var(--brand)}
.faq p{color:var(--muted);padding:0 0 1.2rem;font-size:.92rem;line-height:1.7;max-width:48ch}

/* Footer */
.footer{
  padding:3rem 0 5.75rem;
  border-top:1px solid var(--line);
  background:var(--surface);
}
.footer__top{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5rem 2rem;
  margin-bottom:2rem;
}
.footer__brand{font-family:var(--font-body);font-size:1.35rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.35rem}
.footer__brand span{color:var(--brand)}
.footer__brand span{color:var(--brand);font-style:italic}
.footer__tag{color:var(--muted);font-size:.9rem}
.footer__nav{display:flex;flex-wrap:wrap;gap:.65rem 1.1rem;align-content:flex-start}
.footer__nav a{color:var(--muted);font-size:.88rem}
.footer__nav a:hover{color:var(--brand)}
.footer__copy{color:var(--faint);font-size:.78rem;line-height:1.65;max-width:40rem}

/* Sticky mobile CTA */
.sticky{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  display:flex;gap:.55rem;
  padding:.7rem .9rem calc(.7rem + env(safe-area-inset-bottom));
  background:rgba(7,8,10,.94);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.sticky .btn{flex:1}

/* Interior */
.page{padding:6rem 0 3.5rem}
.page h1{
  font-family:var(--font-display);
  font-size:clamp(2.2rem,7vw,3.2rem);
  font-weight:400;letter-spacing:-.03em;margin:.5rem 0 1rem;
}
.crumb{color:var(--faint);font-size:.8rem}
.crumb a{color:var(--muted)}
.prose{color:var(--muted);max-width:40rem;line-height:1.75}
.prose p+p{margin-top:.9rem}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:.15em}
.prose a:hover{color:var(--text)}

@media(min-width:768px){
  .nav__links{display:flex}
  .hero{
    min-height:min(86svh,820px);
    align-items:center;
    padding:5rem 0 4.5rem;
  }
  .hero__bg{background-position:center 30%}
  .hero__bg::after{
    background:
      linear-gradient(105deg,rgba(7,8,10,.55) 0%,rgba(7,8,10,.28) 48%,rgba(7,8,10,.08) 78%),
      linear-gradient(to top,var(--bg) 0%,transparent 48%);
  }
  .hero__content{max-width:52rem}
  .hero__kicker{margin-bottom:1.1rem;font-size:.78rem}
  .hero__brand{font-size:clamp(4.5rem,7vw,5.8rem);margin-bottom:1.1rem}
  .hero__title{font-size:clamp(2.2rem,3vw,2.8rem)}
  .hero__title-en{font-size:1.15rem;margin-bottom:1rem}
  .hero__sub{font-size:1.15rem;max-width:40ch}
  .hero__sub-en{font-size:.98rem;max-width:44ch;margin-bottom:2rem}
  .hero__actions{gap:.85rem}
  .hero__actions .btn{flex:0 0 auto;min-width:10.5rem}
  .btn--lg{min-height:3.4rem;padding:1rem 1.7rem;font-size:1.02rem}
  .features{grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:.85rem;overflow:hidden}
  .feature{padding:1.6rem 1.35rem;border-bottom:0;border-right:1px solid var(--line)}
  .feature:last-child{border-right:0}
  .areas{grid-template-columns:repeat(2,1fr)}
  .sticky{display:none}
  .footer{padding-bottom:3rem}
  .section--split{
    display:grid;
    grid-template-columns:0.85fr 1.15fr;
    gap:3.5rem;
    align-items:start;
  }
  .section--split .section__head{margin-bottom:0;position:sticky;top:6rem}
  .section__title{font-size:clamp(2.4rem,3.5vw,3.2rem)}
}
@media(min-width:1024px){
  .areas{grid-template-columns:repeat(3,1fr)}
  .hero__content{max-width:58rem}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .area,.btn{transition:none}
}