/* ===================================================================
   太陽電鍍工業株式会社 — Web Renewal Demo by isomeya
   配色：森（深緑）× 亜鉛シルバー × クロメート虹色 のアクセント
   =================================================================== */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

:root{
  --forest:#1f4d3a;        /* メインの深緑 */
  --forest-dark:#143027;
  --forest-soft:#e8f1ed;
  --zinc:#9aa5af;          /* 亜鉛シルバー */
  --zinc-light:#d8dde2;
  --zinc-pale:#f3f5f7;
  --chromate-y:#d4a017;    /* 三価ユニクロ的な金色 */
  --chromate-b:#7a8294;    /* 黒色クロメート */
  --bg:#ffffff;
  --paper:#fafbfa;
  --ink:#0e1a14;
  --ink-2:#2c3a32;
  --mute:#65766b;
  --line:#dce4df;
}

html{scroll-behavior:smooth;background:var(--bg);}
body{
  font-family:'Noto Sans JP',sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
.mono{font-family:'JetBrains Mono','Roboto Mono',monospace;font-feature-settings:'tnum';letter-spacing:0.02em;}
img{display:block;max-width:100%;}
a{color:inherit;}

/* ===== Demo banner ===== */
.demo-tag{
  position:fixed;top:0;left:0;right:0;background:var(--forest-dark);color:#fff;
  text-align:center;padding:8px 12px;font-size:0.7rem;letter-spacing:0.05em;z-index:200;
}

/* ===== Header ===== */
header{
  position:fixed;top:36px;left:0;right:0;
  background:rgba(255,255,255,0.96);backdrop-filter:blur(12px);
  z-index:100;height:72px;display:flex;align-items:center;
  justify-content:space-between;padding:0 48px;
  border-bottom:1px solid var(--line);
}
.logo{display:flex;align-items:center;gap:14px;color:var(--ink);text-decoration:none;}
.logo-mark{
  width:46px;height:46px;
  background:linear-gradient(135deg,var(--forest) 0%,var(--forest-dark) 100%);
  color:var(--chromate-y);
  border-radius:50%;
  display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-weight:700;font-size:1.1rem;
  position:relative;
}
.logo-mark::after{
  content:'';position:absolute;inset:-3px;border:1px solid var(--forest);border-radius:50%;
  opacity:0.4;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:0.95rem;font-weight:700;letter-spacing:0.02em;color:var(--ink);}
.logo-text small{font-family:'JetBrains Mono',monospace;font-size:0.6rem;color:var(--mute);letter-spacing:0.18em;margin-top:3px;}
nav{display:flex;align-items:center;gap:4px;}
nav a{
  color:var(--ink-2);text-decoration:none;
  font-size:0.82rem;padding:9px 14px;
  font-family:'JetBrains Mono',monospace;letter-spacing:0.05em;
  text-transform:uppercase;
  position:relative;
}
nav a:hover{color:var(--forest);}
nav a.current{color:var(--forest);}
nav a.current::after{
  content:'';position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--chromate-y);
}
.nav-cta{
  background:var(--forest)!important;color:#fff!important;
  font-weight:700!important;padding:11px 22px!important;border-radius:30px;
  letter-spacing:0.08em!important;
}
.nav-cta:hover{background:var(--forest-dark)!important;}

/* ===== Hero ===== */
.hero{
  padding:140px 48px 80px;
  background:
    linear-gradient(135deg,rgba(31,77,58,0.04) 0%,rgba(154,165,175,0.05) 100%),
    var(--bg);
  position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-200px;right:-200px;
  width:600px;height:600px;
  background:radial-gradient(circle,rgba(31,77,58,0.08) 0%,transparent 70%);
  pointer-events:none;
}
.hero-inner{
  max-width:1300px;margin:0 auto;
  display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;
  position:relative;z-index:1;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--forest-soft);color:var(--forest);
  border:1px solid var(--forest);
  font-family:'JetBrains Mono',monospace;font-size:0.7rem;letter-spacing:0.2em;
  padding:8px 16px;border-radius:30px;font-weight:700;text-transform:uppercase;
  margin-bottom:28px;
}
.hero-tag::before{content:'';width:8px;height:8px;background:var(--chromate-y);border-radius:50%;}
.hero h1{
  font-size:clamp(2.4rem,4.5vw,3.8rem);font-weight:900;
  line-height:1.2;letter-spacing:-0.02em;color:var(--ink);
  margin-bottom:28px;
}
.hero h1 em{font-style:normal;color:var(--forest);position:relative;}
.hero h1 .underline{
  background:linear-gradient(transparent 65%,rgba(212,160,23,0.35) 65%);padding:0 4px;
}
.hero-lead{
  color:var(--ink-2);font-size:1.05rem;
  line-height:2.0;margin-bottom:36px;max-width:560px;
}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:var(--paper);border:1.5px solid var(--line);
  border-radius:16px;overflow:hidden;
  max-width:560px;
}
.hero-stats > div{
  padding:20px 18px;text-align:center;border-right:1px solid var(--line);
}
.hero-stats > div:last-child{border-right:none;}
.hero-stats strong{
  display:block;font-family:'JetBrains Mono',monospace;
  font-size:1.9rem;font-weight:700;color:var(--forest);line-height:1;
}
.hero-stats strong small{font-size:0.7rem;color:var(--mute);margin-left:2px;}
.hero-stats span{display:block;font-size:0.72rem;color:var(--mute);margin-top:8px;font-weight:600;}

.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 30px;font-weight:700;font-size:0.92rem;
  text-decoration:none;border-radius:8px;transition:all 0.2s;
  letter-spacing:0.03em;
}
.btn-primary{background:var(--forest);color:#fff;border:2px solid var(--forest);}
.btn-primary:hover{background:var(--forest-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(31,77,58,0.25);}
.btn-out{background:#fff;color:var(--forest);border:2px solid var(--forest);}
.btn-out:hover{background:var(--forest-soft);}

/* Hero visual: 工程ビジュアル＋award badge */
.hero-visual{position:relative;}
.process-frame{
  background:var(--paper);
  border:1.5px solid var(--line);
  border-radius:20px;
  padding:36px 28px;
  position:relative;
}
.process-frame::before{
  content:'PROCESS';
  position:absolute;top:-12px;left:28px;
  background:var(--bg);padding:0 12px;
  font-family:'JetBrains Mono',monospace;font-size:0.7rem;letter-spacing:0.25em;
  color:var(--forest);font-weight:700;
}
.process-step{
  display:flex;align-items:center;gap:18px;padding:14px 0;
  border-bottom:1px dashed var(--line);
}
.process-step:last-child{border-bottom:none;}
.process-num{
  width:36px;height:36px;flex-shrink:0;
  background:var(--forest);color:var(--chromate-y);
  border-radius:50%;
  display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-weight:700;font-size:0.85rem;
}
.process-name{flex:1;}
.process-name h4{font-size:0.95rem;font-weight:700;color:var(--ink);margin-bottom:2px;}
.process-name p{font-size:0.78rem;color:var(--mute);}
.process-arrow{color:var(--zinc);font-size:1.2rem;}

.award-badge{
  position:absolute;bottom:-24px;right:-20px;
  background:var(--chromate-y);color:var(--forest-dark);
  padding:14px 22px;border-radius:16px;
  box-shadow:0 12px 32px rgba(212,160,23,0.35);
  transform:rotate(-3deg);font-weight:900;
  text-align:center;
}
.award-badge strong{display:block;font-size:0.78rem;letter-spacing:0.05em;}
.award-badge span{display:block;font-size:0.65rem;margin-top:2px;font-weight:600;}

/* ===== Section common ===== */
.section{padding:120px 48px;}
.section-inner{max-width:1300px;margin:0 auto;}
.section-eyebrow{
  display:inline-block;
  font-family:'JetBrains Mono',monospace;color:var(--forest);
  font-size:0.72rem;letter-spacing:0.25em;font-weight:700;
  padding:6px 14px;background:var(--forest-soft);border-radius:30px;
  margin-bottom:18px;text-transform:uppercase;
}
.section h2{
  font-size:clamp(2rem,3.2vw,2.8rem);font-weight:900;
  line-height:1.3;color:var(--ink);margin-bottom:18px;letter-spacing:-0.01em;
}
.section h2 em{font-style:normal;color:var(--forest);}
.section-lead{
  color:var(--ink-2);font-size:1rem;line-height:2;max-width:680px;margin-bottom:56px;
}

/* ===== Service section（三価3区分） ===== */
.svc-section{background:var(--paper);}
.svc-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
  margin-top:48px;
}
.svc-card{
  background:#fff;border:1.5px solid var(--line);border-radius:18px;
  overflow:hidden;transition:all 0.3s;position:relative;
}
.svc-card:hover{
  transform:translateY(-6px);
  border-color:var(--forest);
  box-shadow:0 16px 48px rgba(31,77,58,0.12);
}
.svc-photo{
  height:200px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--zinc-pale) 0%,var(--zinc-light) 100%);
}
.svc-photo img{width:100%;height:100%;object-fit:cover;}
.svc-photo::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(31,77,58,0.85) 100%);
}
.svc-label{
  position:absolute;top:16px;left:16px;
  background:#fff;padding:5px 12px;border-radius:30px;
  font-family:'JetBrains Mono',monospace;font-size:0.65rem;letter-spacing:0.15em;
  color:var(--forest);font-weight:700;text-transform:uppercase;
  z-index:2;
}
.svc-photo h3{
  position:absolute;bottom:16px;left:16px;right:16px;
  color:#fff;font-size:1.2rem;font-weight:900;line-height:1.3;z-index:2;
}
.svc-body{padding:28px 24px;}
.svc-body p{font-size:0.88rem;line-height:1.9;color:var(--ink-2);margin-bottom:14px;}
.svc-spec{
  background:var(--zinc-pale);border-radius:8px;padding:12px 14px;
  font-family:'JetBrains Mono',monospace;font-size:0.75rem;color:var(--ink-2);
  display:flex;justify-content:space-between;
}
.svc-spec span:last-child{color:var(--forest);font-weight:700;}

/* ===== Process flow（工程） ===== */
.flow-section{background:var(--forest);color:#fff;position:relative;overflow:hidden;}
.flow-section::before{
  content:'ZINC PLATING PROCESS';
  position:absolute;top:80px;right:-60px;
  font-family:'JetBrains Mono',monospace;
  font-size:9rem;font-weight:700;color:rgba(212,160,23,0.06);
  letter-spacing:-0.04em;line-height:1;white-space:nowrap;pointer-events:none;
}
.flow-section .section-eyebrow{
  background:rgba(212,160,23,0.15);color:var(--chromate-y);
}
.flow-section h2{color:#fff;}
.flow-section h2 em{color:var(--chromate-y);}
.flow-section .section-lead{color:rgba(255,255,255,0.85);}
.flow-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
  position:relative;z-index:2;
}
.flow-cell{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.15);
  border-radius:14px;
  padding:22px 18px;
  position:relative;
}
.flow-cell-num{
  font-family:'JetBrains Mono',monospace;font-size:0.7rem;
  color:var(--chromate-y);letter-spacing:0.15em;font-weight:700;margin-bottom:10px;
}
.flow-cell h4{font-size:0.95rem;font-weight:700;margin-bottom:6px;color:#fff;}
.flow-cell p{font-size:0.75rem;line-height:1.7;color:rgba(255,255,255,0.7);}

/* ===== Equipment ===== */
.equip-section{background:var(--bg);}
.equip-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
  margin-top:48px;
}
.equip-list{
  background:var(--paper);border-radius:18px;padding:36px 32px;
  border:1px solid var(--line);
}
.equip-list h3{
  font-size:1rem;font-weight:700;color:var(--forest);
  padding-bottom:12px;margin-bottom:18px;
  border-bottom:2px solid var(--forest);
}
.equip-list ul{list-style:none;}
.equip-list li{
  padding:14px 0;border-bottom:1px dashed var(--line);
  display:flex;justify-content:space-between;gap:14px;
  font-size:0.88rem;color:var(--ink-2);
}
.equip-list li:last-child{border-bottom:none;}
.equip-list li .mono{color:var(--forest);font-weight:700;}

/* ===== Clients ===== */
.clients-section{background:var(--paper);}
.clients-grid{
  display:grid;grid-template-columns:repeat(6,1fr);gap:14px;
  margin-top:48px;
}
.client-cell{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:22px 14px;text-align:center;
  font-size:0.78rem;font-weight:700;color:var(--ink-2);line-height:1.4;
  display:flex;align-items:center;justify-content:center;
  transition:all 0.2s;
  min-height:80px;
}
.client-cell:hover{
  border-color:var(--forest);
  background:var(--forest-soft);
  color:var(--forest);
}

/* ===== ESG/環境 ===== */
.esg-section{background:var(--bg);}
.esg-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;margin-top:48px;}
.esg-points{display:flex;flex-direction:column;gap:20px;}
.esg-point{display:flex;gap:18px;align-items:flex-start;}
.esg-icon{
  width:44px;height:44px;flex-shrink:0;
  background:var(--forest-soft);color:var(--forest);
  border-radius:12px;
  display:grid;place-items:center;font-size:1.3rem;font-weight:900;
}
.esg-point h4{font-size:1rem;font-weight:700;margin-bottom:6px;}
.esg-point p{font-size:0.88rem;color:var(--ink-2);line-height:1.85;}
.esg-image{
  aspect-ratio:4/5;border-radius:22px;overflow:hidden;
  background:linear-gradient(135deg,var(--forest) 0%,var(--forest-dark) 100%);
  position:relative;box-shadow:0 24px 64px rgba(31,77,58,0.18);
}
.esg-image img{width:100%;height:100%;object-fit:cover;mix-blend-mode:luminosity;opacity:0.85;}
.esg-image::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(20,48,39,0.6) 100%);
}

/* ===== Company info ===== */
.info-section{background:var(--paper);}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px;}
.info-block{background:#fff;border:1px solid var(--line);border-radius:18px;padding:36px 32px;}
.info-block h3{
  font-size:1rem;font-weight:700;color:var(--forest);
  padding-bottom:12px;margin-bottom:18px;
  border-bottom:2px solid var(--forest);
}
.info-table{width:100%;border-collapse:collapse;}
.info-table tr{border-bottom:1px dashed var(--line);}
.info-table tr:last-child{border-bottom:none;}
.info-table th{
  text-align:left;padding:14px 0;font-weight:600;
  width:100px;color:var(--mute);font-size:0.78rem;
}
.info-table td{padding:14px 0;font-size:0.92rem;color:var(--ink-2);}

/* ===== Contact CTA ===== */
.cta-section{
  background:linear-gradient(135deg,var(--forest) 0%,var(--forest-dark) 100%);
  color:#fff;text-align:center;padding:96px 48px;
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:-100px;right:-100px;
  width:400px;height:400px;
  background:radial-gradient(circle,rgba(212,160,23,0.15) 0%,transparent 70%);
}
.cta-section h2{color:#fff;font-size:clamp(2rem,3.2vw,2.8rem);font-weight:900;margin-bottom:18px;}
.cta-section h2 em{color:var(--chromate-y);font-style:normal;}
.cta-section p{font-size:1.05rem;line-height:1.9;margin-bottom:36px;color:rgba(255,255,255,0.9);}
.cta-tel{
  display:inline-block;
  font-family:'JetBrains Mono',monospace;font-size:2.6rem;font-weight:700;
  color:var(--chromate-y);letter-spacing:0.03em;margin-bottom:8px;
  text-decoration:none;
}
.cta-tel:hover{text-decoration:underline;}
.cta-tel-note{font-size:0.82rem;color:rgba(255,255,255,0.7);margin-bottom:36px;}
.cta-btn{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--chromate-y);color:var(--forest-dark);
  padding:18px 40px;border-radius:30px;font-weight:900;
  text-decoration:none;letter-spacing:0.05em;
  transition:all 0.2s;
}
.cta-btn:hover{background:#fff;transform:translateY(-2px);box-shadow:0 12px 32px rgba(212,160,23,0.4);}

/* ===== Footer ===== */
footer{background:var(--forest-dark);color:rgba(255,255,255,0.7);padding:64px 48px 32px;}
.footer-inner{max-width:1300px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;}
.footer-brand{}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text small{color:rgba(255,255,255,0.5);}
.footer-info{font-size:0.82rem;line-height:1.9;margin-top:18px;color:rgba(255,255,255,0.65);}
.footer-h{
  font-family:'JetBrains Mono',monospace;font-size:0.72rem;letter-spacing:0.2em;
  color:var(--chromate-y);font-weight:700;text-transform:uppercase;margin-bottom:18px;
}
.footer-nav{display:flex;flex-direction:column;gap:10px;}
.footer-nav a{color:rgba(255,255,255,0.7);font-size:0.85rem;text-decoration:none;}
.footer-nav a:hover{color:#fff;}
.footer-copy{
  max-width:1300px;margin:48px auto 0;padding-top:24px;
  border-top:1px solid rgba(255,255,255,0.1);
  display:flex;justify-content:space-between;
  font-size:0.72rem;color:rgba(255,255,255,0.4);
}

/* ===== Responsive ===== */
@media(max-width:1000px){
  .hero-inner,.equip-grid,.esg-grid,.info-grid{grid-template-columns:1fr;gap:32px;}
  .svc-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr 1fr;}
  .clients-grid{grid-template-columns:1fr 1fr;}
  .footer-inner{grid-template-columns:1fr;}
  header{padding:0 20px;}
  nav a:not(.nav-cta){display:none;}
  .section,.cta-section{padding:64px 24px;}
  .hero{padding:120px 24px 60px;}
  footer{padding:48px 24px 24px;}
  .award-badge{right:-10px;}
}