:root{
  --green:#0d5d3f;
  --green-deep:#083324;
  --green-soft:#13865a;
  --lime:#badc70;
  --ink:#13231d;
  --text:#30433b;
  --muted:#6a7872;
  --line:#d9e3dc;
  --cream:#f4f7f2;
  --white:#ffffff;
  --shadow:0 24px 70px rgba(7,44,29,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#fff;
  color:var(--ink);
  font-family:"Noto Sans JP",sans-serif;
  line-height:1.8;
}
a{text-decoration:none;color:inherit}
img{display:block;width:100%}
.section-shell{max-width:1360px;margin:0 auto}

.site-header{
  position:fixed;
  inset:0 0 auto;
  z-index:50;
  height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 clamp(18px,3vw,4vw);
  color:#fff;
  transition:.35s;
  gap:clamp(12px,1.6vw,24px);
}
.site-header.scrolled{
  height:70px;
  background:rgba(255,255,255,.95);
  color:var(--ink);
  backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.07);
}
.brand{display:flex;gap:12px;align-items:center;flex:0 0 auto;min-width:0}
.brand-copy{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand b{font-family:"DM Sans",sans-serif;font-size:clamp(14px,1.05vw,18px);letter-spacing:.15em;white-space:nowrap}
.brand small{font-size:clamp(8px,.65vw,10px);letter-spacing:.08em;white-space:nowrap}
.brand-mark{width:38px;height:38px;display:flex;align-items:flex-end;gap:3px;transform:skew(-15deg);flex:0 0 auto}
.brand-mark i{display:block;width:10px;border-radius:8px 8px 2px 2px;background:var(--lime)}
.brand-mark i:nth-child(1){height:18px}
.brand-mark i:nth-child(2){height:31px;background:#4dab70}
.brand-mark i:nth-child(3){height:24px;background:#fff}
.site-header.scrolled .brand-mark i:nth-child(3),
.site-footer .brand-mark i:nth-child(3){background:var(--green)}

.global-nav{display:flex;align-items:center;justify-content:flex-end;flex-wrap:nowrap;gap:clamp(10px,1.15vw,24px);font-size:clamp(10px,.78vw,13px);font-weight:700;letter-spacing:.03em;flex:1 1 auto;min-width:0}
.global-nav a{position:relative;white-space:nowrap;line-height:1.2}
.global-nav a:not(.nav-cta)::after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:1px;background:currentColor;transition:.25s}
.global-nav a:hover::after{width:100%}
.nav-cta{border:1px solid rgba(255,255,255,.55);padding:clamp(8px,.72vw,11px) clamp(12px,1vw,18px);border-radius:999px;flex:0 0 auto}
.site-header.scrolled .nav-cta{background:var(--green);border-color:var(--green);color:#fff}
.menu-btn{display:none;background:none;border:0;color:inherit;font:700 12px "DM Sans",sans-serif;letter-spacing:.16em}

.hero{
  position:relative;
  min-height:980px;
  color:#fff;
  overflow:hidden;
  background:#09140f;
}
.hero-media{position:absolute;inset:0;background:url('assets/hero-clean-final.png') center/cover no-repeat;transform:scale(1.03)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,26,18,.82) 0%,rgba(8,40,28,.62) 35%,rgba(7,28,19,.14) 72%),linear-gradient(180deg,transparent 62%,rgba(5,26,18,.28) 100%)}
.hero-inner{position:relative;z-index:2;max-width:1360px;margin:0 auto;padding:180px 7vw 90px}
.eyebrow,.section-kicker{font:700 12px "DM Sans",sans-serif;letter-spacing:.22em}
.hero h1{margin:18px 0 22px;font-size:clamp(44px,6vw,86px);line-height:1.15;letter-spacing:-.05em;max-width:880px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{max-width:760px;font-size:17px;line-height:2;opacity:.95}
.hero-actions{display:flex;gap:14px;margin-top:36px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-width:180px;padding:15px 24px;border-radius:999px;font-size:14px;font-weight:700;transition:.25s}
.btn.primary{background:var(--lime);color:#173122}
.btn.primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(186,220,112,.35)}
.btn.ghost{border:1px solid rgba(255,255,255,.55)}
.btn.ghost:hover{background:#fff;color:var(--ink)}
.scroll-line{position:absolute;left:4vw;bottom:26px;z-index:2;font:700 10px "DM Sans",sans-serif;letter-spacing:.24em;padding-left:74px}
.scroll-line::before{content:"";position:absolute;left:0;top:50%;width:56px;height:1px;background:#fff}
.hero-points{
  position:relative;
  z-index:3;
  max-width:1360px;
  margin:-12px auto 0;
  padding:0 7vw 50px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.hero-points article{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(12px);
  border-radius:22px;
  padding:28px;
}
.hero-points span,
.mini-no,
.pillar-head span,
.rd-card span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;height:48px;border-radius:50%;
  background:var(--green);
  color:#fff;
  font:700 17px "DM Sans",sans-serif;
}
.hero-points h2{font-size:20px;line-height:1.5;margin:16px 0 8px}
.hero-points p{margin:0;color:rgba(255,255,255,.86);font-size:14px;line-height:1.8}

.section{padding:120px 7vw}
.section-kicker{margin:0 0 18px;color:var(--green-soft)}
.section-kicker.light{color:var(--lime)}
.section-head{display:grid;grid-template-columns:1.08fr .92fr;gap:6vw;align-items:end;margin-bottom:56px}
.section-head h2,.message h2,.company h2{margin:0;font-size:clamp(34px,4.3vw,60px);line-height:1.35;letter-spacing:-.04em}
.section-head h2 span,.message h2 span{color:var(--green-soft)}
.section-head>p{margin:0;color:var(--muted)}

.message{background:#fff}
.message-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start}
.message-copy p{margin:0 0 18px;color:var(--text)}
.message-values{display:grid;gap:18px}
.info-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  padding:28px;
  box-shadow:0 8px 26px rgba(18,43,31,.04);
}
.info-card h3{margin:14px 0 8px;font-size:22px}
.info-card p{margin:0;color:var(--muted);font-size:14px}

.overview{background:var(--cream)}
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pillar-card{
  background:#fff;
  border-radius:24px;
  padding:34px;
  border:1px solid var(--line);
  box-shadow:0 8px 28px rgba(15,40,30,.04);
  transition:.3s;
}
.pillar-card:hover,.panel-card:hover,.property-list-card:hover,.property-note:hover,.info-card:hover,.rd-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pillar-head{display:flex;flex-direction:column;align-items:flex-start;gap:16px}
.pillar-card h3{margin:0;font-size:26px;line-height:1.45}
.pillar-card p{margin:18px 0 14px;color:var(--muted);font-size:14px}
.pillar-card ul{margin:0;padding-left:1.15em;color:var(--text);font-size:14px}
.pillar-card li+li{margin-top:6px}

.numbers{background:#fff;padding:0 7vw 120px}
.numbers-inner{
  background:linear-gradient(135deg,#0d5d3f,#12895b);
  color:#fff;
  border-radius:28px;
  padding:54px 4.5vw;
  display:grid;
  grid-template-columns:1.6fr repeat(3,1fr);
  gap:0;
  box-shadow:var(--shadow);
}
.numbers-title h2{margin:0;font-size:34px;line-height:1.5}
.numbers .section-kicker{color:rgba(255,255,255,.68)}
.metric{padding:0 26px;border-left:1px solid rgba(255,255,255,.22);display:flex;flex-direction:column;justify-content:center}
.metric strong{font:700 clamp(40px,5vw,72px) "DM Sans",sans-serif;line-height:1}
.metric strong small{font-size:.34em}
.metric span{margin-top:12px;font-size:13px;opacity:.9}

.renewable{background:#fff}
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.panel-card{
  background:#fff;
  border-radius:22px;
  padding:12px;
  border:1px solid var(--line);
  box-shadow:0 10px 24px rgba(14,39,28,.05);
  transition:.3s;
}
.panel-card img{border-radius:16px}
.portfolio-card{
  margin-top:54px;
  border-radius:28px;
  background:linear-gradient(135deg,rgba(8,49,34,.98),rgba(20,118,80,.9)),url('assets/hero-clean-final.png') center/cover;
  color:#fff;
  padding:56px 4vw;
}
.portfolio-copy h3{margin:10px 0 0;font-size:clamp(28px,3vw,42px);line-height:1.5;max-width:760px}
.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:34px;border-top:1px solid rgba(255,255,255,.22)}
.portfolio-grid div{padding:26px 20px;border-right:1px solid rgba(255,255,255,.2)}
.portfolio-grid div:last-child{border-right:0}
.portfolio-grid b{display:block;font:700 11px "DM Sans",sans-serif;letter-spacing:.18em;color:var(--lime)}
.portfolio-grid strong{display:block;margin:12px 0 8px;font-size:18px}
.portfolio-grid span{font-size:13px;opacity:.86}

.property{background:var(--cream)}
.property-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;margin-bottom:34px}
.property-list-card,.property-note{
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  padding:32px;
  transition:.3s;
}
.property-list-card h3{margin:0 0 22px;font-size:24px}
.property-list{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px}
.property-list div{padding-bottom:14px;border-bottom:1px solid #edf2ee}
.property-list strong{display:block;font-size:16px;margin-bottom:4px}
.property-list span{display:block;font-size:13px;color:var(--muted)}
.property-note{display:flex;align-items:center}
.property-note p{margin:0;color:var(--muted)}
.property-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.property-gallery figure{margin:0;position:relative;overflow:hidden;border-radius:14px}
.property-gallery img{height:320px;object-fit:cover;transition:.5s}
.property-gallery figure:hover img{transform:scale(1.05)}
.property-gallery figcaption{position:absolute;left:16px;bottom:14px;color:#fff;font:700 10px "DM Sans",sans-serif;letter-spacing:.14em;text-shadow:0 2px 8px rgba(0,0,0,.65)}

.rd{background:#fff}
.rd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:38px}
.rd-card{
  background:var(--cream);
  border-radius:22px;
  padding:30px;
  border:1px solid var(--line);
  transition:.3s;
}
.rd-card h3{margin:16px 0 10px;font-size:22px;line-height:1.55}
.rd-card p{margin:0;color:var(--muted);font-size:14px}
.feature-project{display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border-radius:26px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.feature-image img{height:100%;min-height:480px;object-fit:cover}
.feature-copy{padding:48px 46px}
.feature-copy h3{margin:0 0 18px;font-size:clamp(28px,3vw,40px);line-height:1.45}
.feature-copy p{margin:0 0 16px;color:var(--muted)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag-list span{display:inline-flex;padding:8px 14px;border-radius:999px;border:1px solid var(--line);font-size:11px;font-weight:700}

.company{background:var(--green-deep);color:#fff}
.company-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:6vw;align-items:start}
.company-copy p:last-child{color:rgba(255,255,255,.74)}
.company-table{margin:0;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:24px;padding:18px 28px}
.company-table>div{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.company-table>div:last-child{border-bottom:0}
.company-table dt{font-size:12px;opacity:.66}
.company-table dd{margin:0;font-size:14px}

.contact{background:var(--lime)}
.contact-box{text-align:center}
.contact-box h2{margin:0 0 14px;font-size:clamp(34px,4.4vw,62px);line-height:1.4;letter-spacing:-.04em}
.contact-box p:not(.section-kicker){margin:0 auto;color:#35533f;max-width:760px}
.contact-actions{display:flex;align-items:center;justify-content:center;gap:42px;margin-top:36px}
.btn.dark{background:var(--ink);color:#fff}
.tel{display:flex;flex-direction:column;font:700 28px "DM Sans",sans-serif}
.tel small{font:500 11px "Noto Sans JP",sans-serif;letter-spacing:.1em}

.site-footer{background:#fff;padding:42px 7vw 26px}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.footer-brand{display:flex;gap:12px;align-items:center}
.footer-brand>div{display:flex;flex-direction:column}
.footer-brand b{font:700 17px "DM Sans",sans-serif;letter-spacing:.15em}
.footer-brand small{font-size:10px}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;justify-content:flex-end;font-size:12px}
.site-footer p{grid-column:1/-1;margin:0;padding-top:22px;border-top:1px solid var(--line);font:500 10px "DM Sans",sans-serif;color:#8b9490}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:1200px){
  .hero-points,.pillar-grid,.rd-grid,.panel-grid{grid-template-columns:repeat(2,1fr)}
  .message-grid,.property-layout,.company-layout,.section-head,.feature-project{grid-template-columns:1fr}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .numbers-inner{grid-template-columns:1fr 1fr}
  .numbers-title{grid-column:1/-1;margin-bottom:28px}
  .metric{padding:24px;border-top:1px solid rgba(255,255,255,.18)}
}
@media(max-width:980px){
  .global-nav{position:fixed;inset:70px 0 auto;background:#fff;color:var(--ink);display:none;flex-direction:column;align-items:stretch;padding:22px 7vw;box-shadow:0 20px 30px rgba(0,0,0,.08)}
  .global-nav.open{display:flex}
  .menu-btn{display:block}
  .site-header:not(.scrolled){background:linear-gradient(rgba(0,0,0,.25),transparent)}
  .property-list,.property-gallery{grid-template-columns:repeat(2,1fr)}
  .feature-image img{min-height:320px}
}
@media(max-width:640px){
  .site-header{height:68px;padding:0 20px}
  .brand b{font-size:14px}
  .brand small{display:none}
  .brand-mark{width:30px;height:31px}
  .hero{min-height:920px}
  .hero-inner{padding:140px 24px 70px}
  .hero h1{font-size:42px}
  .hero-lead{font-size:15px}
  .hero-actions,.contact-actions{flex-direction:column;align-items:flex-start}
  .hero-points,.pillar-grid,.panel-grid,.rd-grid,.portfolio-grid,.property-list,.property-gallery{grid-template-columns:1fr}
  .hero-points{padding:0 24px 36px}
  .section{padding:82px 24px}
  .numbers{padding:0 24px 82px}
  .numbers-inner{display:block;padding:40px 24px}
  .metric{border-left:0}
  .portfolio-card{padding:40px 24px}
  .property-gallery img{height:220px}
  .company-table{padding:16px 20px}
  .company-table>div{grid-template-columns:1fr;gap:6px}
  .feature-copy{padding:34px 24px}
  .contact-box{text-align:left}
  .contact-box h2{font-size:34px}
  .site-footer{padding:32px 24px 22px}
  .footer-inner{grid-template-columns:1fr}
}