/* ── TOP PAGE ONLY ── */
#hero{height:100vh;display:grid;grid-template-columns:1fr 1fr;position:relative;overflow:hidden}
.hero-left{background:var(--light);display:flex;flex-direction:column;justify-content:flex-end;padding:80px 56px;position:relative;overflow:hidden}
.hero-right{background:var(--dark);display:flex;flex-direction:column;justify-content:flex-end;padding:80px 56px;border-left:1px solid var(--line-l)}
.hero-label{font-size:.5rem;letter-spacing:.35em;text-transform:uppercase;margin-bottom:48px}
.hero-label.light{color:var(--mid-l)}
.hero-label.dark{color:var(--mid-d)}
.hero-copy-jp{font-family:'Noto Serif JP',serif;font-size:clamp(2.8rem,6vw,6.5rem);font-weight:300;line-height:1.15;letter-spacing:.02em;overflow:hidden}
.hero-copy-jp.light{color:var(--dark)}
.hero-copy-jp.dark{color:var(--light)}
.hero-line{overflow:hidden}
.hero-line span{display:block;transform:translateY(110%);animation:slideUp 1.2s cubic-bezier(.77,0,.18,1) forwards}
.hero-line:nth-child(1) span{animation-delay:.5s}
.hero-line:nth-child(2) span{animation-delay:.7s}
.hero-sub{margin-top:40px;padding-top:32px;font-size:.78rem;line-height:1.95;opacity:0;animation:fadeIn .8s ease 1.4s forwards}
.hero-sub.light{border-top:1px solid var(--line-l);color:var(--mid-l)}
.hero-sub.dark{border-top:1px solid var(--line-d);color:var(--mid-d)}
.hero-en{font-family:'Playfair Display',serif;font-style:italic;font-size:clamp(.9rem,1.8vw,1.3rem);font-weight:400;margin-top:16px;opacity:0;animation:fadeIn .8s ease 1.6s forwards}
.hero-en.dark{color:var(--mid-d)}
#why{padding:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line-d)}
.why-intro-col{background:var(--light);color:var(--dark);padding:120px 56px;display:flex;flex-direction:column;justify-content:center}
.why-statement{font-family:'Noto Serif JP',serif;font-size:clamp(1.1rem,2vw,1.6rem);font-weight:300;line-height:1.9;color:rgba(12,11,9,.75);margin-top:40px}
.why-cards-col{background:var(--dark);padding:120px 56px;display:flex;flex-direction:column;border-left:1px solid var(--line-d)}
.why-card{padding:36px 0;border-top:1px solid var(--line-d)}
.why-card-num{font-family:'Playfair Display',serif;font-style:italic;font-size:.65rem;color:var(--mid-d);margin-bottom:8px;display:block}
.why-card-title{font-family:'Noto Serif JP',serif;font-size:1rem;font-weight:400;margin-bottom:12px}
.why-card-body{font-size:.75rem;color:var(--mid-d);line-height:2.1}
#works-top .works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-d)}
.more-link{display:inline-flex;align-items:center;gap:12px;margin-top:48px;font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mid-d);text-decoration:none;transition:color .3s}
.more-link::after{content:'';display:block;width:32px;height:1px;background:var(--mid-d);transition:width .3s}
.more-link:hover{color:var(--light)}
.more-link:hover::after{width:48px;background:var(--light)}
@media(max-width:768px){
  #hero{grid-template-columns:1fr;height:auto}
  .hero-left{padding:88px 24px 56px;min-height:56vh}
  .hero-right{padding:48px 24px 56px;border-left:none;border-top:1px solid var(--line-d)}
  #why{grid-template-columns:1fr}
  .why-intro-col{padding:72px 24px}
  .why-cards-col{padding:72px 24px;border-left:none;border-top:1px solid var(--line-d)}
  #works-top .works-grid{grid-template-columns:1fr}
}