/* 株式会社八田製作所 — Web Renewal Demo by isomeya
   配色：チタングレー × 航空機ブルー × アクセントオレンジ（航空機・医療・競輪の精密感）
*/

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

:root{
  --steel:#1e3a5f;        /* チタングレー */
  --steel-dark:#0f2542;
  --steel-soft:#e8eff7;
  --titan:#2c79c0;        /* 航空機ブルー */
  --titan-light:#6ba0d6;
  --accent:#22c55e;       /* アクセントオレンジ */
  --accent-dark:#15803d;
  --bg:#ffffff;
  --paper:#f7f9fc;
  --ink:#0e1420;
  --ink-2:#2c3a4d;
  --mute:#5a6878;
  --line:#dee3eb;
}

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

header{position:fixed;top:36px;left:0;right:0;background:rgba(255,255,255,0.97);backdrop-filter:blur(12px);z-index:100;height:74px;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:50px;height:50px;background:linear-gradient(135deg,var(--steel) 0%,var(--titan) 100%);color:var(--accent);display:grid;place-items:center;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:1.3rem;border-radius:8px;box-shadow:0 4px 14px rgba(74,107,140,0.25);}
.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;}
.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(--titan);}
nav a.current{color:var(--titan);}
nav a.current::after{content:'';position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--accent);}
.nav-cta{background:var(--accent)!important;color:#fff!important;font-weight:700!important;padding:11px 22px!important;border-radius:6px;letter-spacing:0.05em!important;}
.nav-cta:hover{background:var(--accent-dark)!important;}

/* Hero */
.hero{padding:140px 48px 80px;background:linear-gradient(180deg,var(--paper) 0%,var(--bg) 100%);position:relative;overflow:hidden;}
.hero::before{content:'TITANIUM';position:absolute;top:120px;right:-80px;font-family:'JetBrains Mono',monospace;font-size:14rem;color:rgba(74,107,140,0.04);font-weight:700;letter-spacing:-0.04em;line-height:1;pointer-events:none;}
.hero-inner{max-width:1300px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center;position:relative;z-index:1;}
.hero-tag{display:inline-flex;align-items:center;gap:10px;background:var(--steel);color:var(--accent);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(--accent);border-radius:50%;}
.hero h1{font-family:'Noto Sans JP',sans-serif;font-size:clamp(2.4rem,4.5vw,4rem);font-weight:900;line-height:1.2;color:var(--steel-dark);margin-bottom:28px;letter-spacing:-0.02em;}
.hero h1 em{font-style:normal;color:var(--titan);}
.hero h1 .accent{color:var(--accent);}
.hero h1 .underline{background:linear-gradient(transparent 65%,rgba(245,124,0,0.3) 65%);padding:0 4px;}
.hero-lead{color:var(--ink-2);font-size:1.05rem;line-height:2;margin-bottom:36px;max-width:560px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--steel);overflow:hidden;border-radius:14px;max-width:560px;margin-bottom:36px;}
.hero-stats > div{padding:22px 18px;text-align:center;border-right:1px solid rgba(255,255,255,0.1);}
.hero-stats > div:last-child{border-right:none;}
.hero-stats strong{display:block;font-family:'JetBrains Mono',monospace;font-size:2rem;font-weight:700;color:var(--accent);line-height:1;}
.hero-stats strong small{font-size:0.78rem;color:rgba(255,255,255,0.7);margin-left:3px;}
.hero-stats span{display:block;font-size:0.72rem;color:rgba(255,255,255,0.85);margin-top:8px;font-weight:600;}

.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.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(--titan);color:#fff;border:2px solid var(--titan);}
.btn-primary:hover{background:var(--steel-dark);border-color:var(--steel-dark);transform:translateY(-2px);}
.btn-out{background:transparent;color:var(--steel-dark);border:2px solid var(--steel-dark);}
.btn-out:hover{background:var(--steel-dark);color:#fff;}

.hero-visual{position:relative;}
.hero-photo{aspect-ratio:4/5;border-radius:18px;overflow:hidden;box-shadow:0 24px 64px rgba(42,51,64,0.25);position:relative;}
.hero-photo img{width:100%;height:100%;object-fit:cover;filter:brightness(0.95) contrast(1.05);}
.hero-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(42,51,64,0.6) 100%);}
.hero-badge{position:absolute;bottom:-20px;left:-30px;background:var(--accent);color:var(--steel-dark);padding:18px 26px;border-radius:14px;box-shadow:0 14px 36px rgba(245,124,0,0.35);transform:rotate(-3deg);font-weight:900;text-align:center;}
.hero-badge strong{display:block;font-family:'JetBrains Mono',monospace;font-size:2.5rem;line-height:1;}
.hero-badge span{display:block;font-size:0.65rem;letter-spacing:0.15em;margin-top:4px;}

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

/* 2軸事業セクション */
.biz-section{background:var(--paper);}
.biz-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:48px;}
.biz-card{background:#fff;border-radius:18px;overflow:hidden;border:1.5px solid var(--line);transition:all 0.3s;}
.biz-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(42,51,64,0.12);border-color:var(--titan);}
.biz-photo{height:240px;overflow:hidden;position:relative;background:var(--steel-soft);}
.biz-photo img{width:100%;height:100%;object-fit:cover;}
.biz-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(42,51,64,0.1) 0%,transparent 30%,transparent 70%,rgba(42,51,64,0.8) 100%);}
.biz-label{position:absolute;top:18px;left:18px;background:#fff;padding:6px 14px;border-radius:30px;font-family:'JetBrains Mono',monospace;font-size:0.7rem;letter-spacing:0.15em;color:var(--steel-dark);font-weight:700;text-transform:uppercase;z-index:2;}
.biz-photo h3{position:absolute;bottom:18px;left:18px;right:18px;color:#fff;font-size:1.5rem;font-weight:900;line-height:1.3;z-index:2;}
.biz-body{padding:32px 28px;}
.biz-body p{font-size:0.95rem;line-height:1.95;color:var(--ink-2);margin-bottom:18px;}
.biz-tags{display:flex;flex-wrap:wrap;gap:8px;}
.biz-tag{background:var(--steel-soft);color:var(--titan);font-size:0.78rem;font-weight:700;padding:6px 14px;border-radius:30px;}

/* 設備一覧 */
.equip-section{background:var(--bg);}
.equip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:48px;}
.equip-cell{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:24px 18px;text-align:center;transition:all 0.2s;position:relative;overflow:hidden;}
.equip-cell:hover{border-color:var(--titan);background:#fff;transform:translateY(-3px);}
.equip-cell::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--titan),var(--accent));transform:scaleX(0);transition:transform 0.3s;transform-origin:left;}
.equip-cell:hover::before{transform:scaleX(1);}
.equip-cell h4{font-size:0.92rem;font-weight:700;color:var(--steel-dark);margin-bottom:8px;}
.equip-num{font-family:'JetBrains Mono',monospace;font-size:1.6rem;color:var(--accent);font-weight:700;}
.equip-num small{font-size:0.7rem;color:var(--mute);font-weight:500;margin-left:2px;}

/* 業界実績 */
.ind-section{background:var(--steel);color:#fff;position:relative;overflow:hidden;}
.ind-section::before{content:'INDUSTRIES';position:absolute;top:80px;right:-80px;font-family:'JetBrains Mono',monospace;font-size:14rem;color:rgba(245,124,0,0.06);font-weight:700;letter-spacing:-0.04em;line-height:1;pointer-events:none;}
.ind-section .section-eyebrow{background:rgba(245,124,0,0.15);color:var(--accent);}
.ind-section h2{color:#fff;}
.ind-section h2 em{color:var(--accent);}
.ind-section .section-lead{color:rgba(255,255,255,0.85);}
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:48px;position:relative;z-index:2;}
.ind-cell{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.15);border-radius:12px;padding:28px 18px;text-align:center;transition:all 0.2s;}
.ind-cell:hover{background:rgba(245,124,0,0.12);border-color:var(--accent);}
.ind-num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:0.7rem;letter-spacing:0.15em;font-weight:700;margin-bottom:14px;}
.ind-cell h4{font-size:1.05rem;font-weight:900;color:#fff;margin-bottom:6px;}
.ind-cell p{font-size:0.78rem;color:rgba(255,255,255,0.75);line-height:1.7;}

/* 沿革タイムライン */
.history-section{background:var(--paper);}
.history-list{margin-top:48px;border-left:3px solid var(--titan);padding-left:32px;max-width:900px;}
.history-item{padding:16px 0 16px 24px;position:relative;}
.history-item::before{content:'';position:absolute;left:-43px;top:22px;width:14px;height:14px;background:var(--accent);border-radius:50%;border:3px solid var(--paper);}
.history-year{font-family:'JetBrains Mono',monospace;font-size:1.05rem;font-weight:700;color:var(--titan);margin-bottom:4px;}
.history-desc{font-size:0.9rem;color:var(--ink-2);line-height:1.85;}

/* 会社情報 */
.about-section{background:var(--bg);}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px;}
.about-block{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:36px 32px;}
.about-block h3{font-size:1.1rem;font-weight:900;color:var(--steel-dark);padding-bottom:14px;margin-bottom:18px;border-bottom:2px solid var(--titan);}
.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:120px;color:var(--mute);font-size:0.78rem;}
.info-table td{padding:14px 0;font-size:0.92rem;color:var(--ink-2);}

/* Quote 社是 */
.quote-section{background:var(--titan);color:#fff;text-align:center;padding:96px 48px;}
.quote-section blockquote{font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:700;line-height:1.8;max-width:900px;margin:0 auto 24px;font-family:'Noto Sans JP',sans-serif;}
.quote-author{font-family:'JetBrains Mono',monospace;font-size:0.85rem;letter-spacing:0.15em;color:var(--accent);font-weight:700;}
.quote-author small{display:block;color:rgba(255,255,255,0.7);margin-top:6px;letter-spacing:0.05em;text-transform:none;font-family:'Noto Sans JP',sans-serif;font-size:0.75rem;font-weight:500;}

/* Contact */
.cta-section{background:linear-gradient(135deg,var(--steel-dark) 0%,var(--steel) 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(245,124,0,0.12) 0%,transparent 70%);}
.cta-section h2{color:#fff;font-size:clamp(2rem,3vw,2.6rem);font-weight:900;margin-bottom:18px;}
.cta-section h2 em{color:var(--accent);font-style:normal;}
.cta-section p{color:rgba(255,255,255,0.9);font-size:1.05rem;line-height:1.95;margin-bottom:36px;}
.cta-tel{font-family:'JetBrains Mono',monospace;font-size:2.6rem;font-weight:700;color:var(--accent);letter-spacing:0.02em;display:inline-block;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(--accent);color:#fff;padding:18px 40px;border-radius:8px;font-weight:900;text-decoration:none;letter-spacing:0.05em;transition:all 0.2s;}
.cta-btn:hover{background:#fff;color:var(--steel-dark);transform:translateY(-2px);}

/* Footer */
footer{background:#0a1018;color:rgba(255,255,255,0.7);padding:64px 48px 32px;border-top:3px solid var(--accent);}
.footer-inner{max-width:1300px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;}
.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(--accent);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:var(--accent);}
.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);}

/* Recruit */
.page-hero{padding:140px 48px 64px;background:linear-gradient(135deg,var(--steel-dark) 0%,var(--titan) 100%);color:#fff;position:relative;overflow:hidden;}
.page-hero::before{content:'RECRUIT';position:absolute;top:80px;right:48px;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:9rem;color:rgba(245,124,0,0.08);letter-spacing:-0.04em;line-height:1;pointer-events:none;}
.page-hero-inner{max-width:1300px;margin:0 auto;position:relative;z-index:1;}
.page-hero .crumb{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:0.72rem;letter-spacing:0.25em;color:var(--accent);margin-bottom:18px;}
.page-hero h1{font-size:clamp(2.4rem,4vw,3.4rem);font-weight:900;line-height:1.3;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--accent);}
.page-hero p{font-size:1.05rem;line-height:2;color:rgba(255,255,255,0.9);max-width:680px;}
.jobs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px;}
.job-card{background:#fff;border:1.5px solid var(--line);border-radius:18px;padding:32px 28px;transition:all 0.2s;}
.job-card:hover{border-color:var(--titan);box-shadow:0 12px 32px rgba(74,107,140,0.1);}
.job-tag{display:inline-block;background:var(--steel-soft);color:var(--titan);font-family:'JetBrains Mono',monospace;font-size:0.7rem;letter-spacing:0.15em;padding:5px 12px;border-radius:30px;font-weight:700;margin-bottom:14px;text-transform:uppercase;}
.job-card h3{font-size:1.2rem;font-weight:900;color:var(--steel-dark);margin-bottom:10px;}
.job-card p{font-size:0.88rem;color:var(--ink-2);line-height:1.85;margin-bottom:18px;}
.job-meta{display:flex;flex-direction:column;gap:8px;padding-top:18px;border-top:1px dashed var(--line);}
.job-meta-row{display:flex;justify-content:space-between;font-size:0.82rem;}
.job-meta-row span:first-child{color:var(--mute);}
.job-meta-row span:last-child{color:var(--titan);font-weight:700;}
.welfare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:48px;}
.welfare-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px;display:flex;align-items:center;gap:18px;}
.welfare-icon{width:42px;height:42px;background:var(--steel-soft);color:var(--titan);border-radius:10px;display:grid;place-items:center;flex-shrink:0;font-weight:900;font-size:1.2rem;}
.welfare-item h4{font-size:0.95rem;font-weight:700;color:var(--ink);margin-bottom:2px;}
.welfare-item p{font-size:0.78rem;color:var(--mute);}

@media(max-width:1000px){
  header{padding:0 20px;}
  nav a:not(.nav-cta){display:none;}
  .hero-inner,.biz-grid,.about-grid,.jobs-grid,.welfare-grid{grid-template-columns:1fr;gap:32px;}
  .equip-grid,.ind-grid{grid-template-columns:1fr 1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .section,.cta-section{padding:64px 24px;}
  .hero{padding:120px 24px 60px;}
  footer{padding:48px 24px 24px;}
  .hero-badge{left:-10px;}
}