/* ============================================================
   TCC Create — modern corporate theme (2026 renewal)
   Palette: navy + white, trustworthy B2B
   ============================================================ */
:root{
  --navy:#0f2747;
  --navy-2:#1c4a86;
  --accent:#1466b8;
  --accent-dark:#0f4f92;
  --accent-soft:#e9f2fb;
  --ink:#1f2a37;
  --muted:#5b6b7f;
  --line:#e4e9f0;
  --bg:#f4f6f9;
  --white:#fff;
  --radius:6px;
  --shadow:0 2px 10px rgba(15,39,71,.06);
  --shadow-lg:0 10px 30px rgba(15,39,71,.14);
  --maxw:1180px;
  --font:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","YuGothic",Meiryo,"Noto Sans JP",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--white);
  line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .15s,opacity .15s;}
a:hover{color:var(--accent-dark);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{display:block;font-size:12px;letter-spacing:.18em;font-weight:700;color:var(--accent);text-transform:uppercase;margin-bottom:10px;}
.section{padding:72px 0;}
.section--tint{background:var(--bg);}
.section-title{font-size:28px;font-weight:800;letter-spacing:.02em;margin:0 0 8px;color:var(--navy);}
.section-lead{color:var(--muted);margin:0 0 40px;font-size:15px;}
.center{text-align:center;}
.center .section-lead{margin-left:auto;margin-right:auto;max-width:640px;}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:13px 30px;border-radius:var(--radius);font-weight:700;font-size:15px;
  border:2px solid transparent;cursor:pointer;transition:all .18s;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);}
.btn-outline{border-color:#fff;color:#fff;}
.btn-outline:hover{background:#fff;color:var(--navy);}
.btn-ghost{border-color:var(--accent);color:var(--accent);}
.btn-ghost:hover{background:var(--accent);color:#fff;}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:800;font-size:18px;letter-spacing:.02em;}
.brand img{height:38px;width:auto;}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.14em;}
.site-nav{display:flex;align-items:center;gap:6px;}
.site-nav a{color:var(--ink);font-weight:600;font-size:15px;padding:10px 16px;border-radius:var(--radius);}
.site-nav a:hover{color:var(--accent);background:var(--accent-soft);}
.site-nav a.current{color:var(--accent);}
.site-nav a.nav-cta{background:var(--accent);color:#fff;margin-left:8px;}
.site-nav a.nav-cta:hover{background:var(--accent-dark);}
.nav-toggle,.nav-burger{display:none;}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(130deg,#0c1f3a 0%,#123a6d 55%,#1c4a86 100%);color:#fff;overflow:hidden;}
.hero:before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 85% 15%,rgba(255,255,255,.08),transparent 40%),
  radial-gradient(circle at 15% 90%,rgba(255,255,255,.06),transparent 35%);}
.hero-inner{position:relative;padding:56px 24px 60px;max-width:var(--maxw);margin:0 auto;}
.hero .eyebrow{color:#a9cdf3;}
.hero h1{font-size:38px;line-height:1.35;font-weight:800;margin:0 0 16px;letter-spacing:.01em;}
.hero h1 .ln{display:block;}
.hero p{font-size:17px;color:#d7e3f3;max-width:620px;margin:0 0 28px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-badges{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap;}
.hero-badge{color:#fff;}
.hero-badge b{display:block;font-size:22px;font-weight:800;}
.hero-badge span{font-size:13px;color:#a9cdf3;letter-spacing:.08em;}

/* ---------- Pillars (business) ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow);}
.pillar .num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.1em;}
.pillar h3{font-size:19px;margin:10px 0 10px;color:var(--navy);}
.pillar p{margin:0;color:var(--muted);font-size:14.5px;}

/* ---------- Category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,360px));gap:28px;justify-content:center;}
.cat-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.cat-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#f0f3f7;}
.cat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s;}
.cat-card:hover .thumb img{transform:scale(1.05);}
.cat-card .body{padding:24px;flex:1;display:flex;flex-direction:column;}
.cat-card h3{margin:0 0 8px;font-size:20px;color:var(--navy);}
.cat-card p{margin:0 0 18px;color:var(--muted);font-size:14px;flex:1;}
.cat-card .more{font-weight:700;color:var(--accent);font-size:14px;}
.cat-card .more:after{content:" →";}

/* ---------- Product grid ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:22px;}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s;}
.prod-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.prod-card .thumb{aspect-ratio:4/3;background:#fff;display:flex;align-items:center;justify-content:center;padding:14px;border-bottom:1px solid var(--line);}
.prod-card .thumb img{max-width:100%;max-height:100%;object-fit:contain;}
.prod-card .pname{padding:14px 14px 16px;font-size:14.5px;font-weight:700;color:var(--ink);text-align:center;line-height:1.5;min-height:3.4em;display:flex;align-items:center;justify-content:center;}
.prod-card.linked a{display:block;color:inherit;}
.prod-card.linked:hover .pname{color:var(--accent);}
.prod-model{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-top:4px;}

/* ---------- Page header / breadcrumb ---------- */
.page-hero{background:linear-gradient(120deg,#0f2747,#1c4a86);color:#fff;padding:56px 0 48px;}
.page-hero h1{font-size:32px;margin:6px 0 0;font-weight:800;}
.breadcrumb{font-size:13px;color:var(--muted);padding:16px 0;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}

/* ---------- Detail (foodtech) ---------- */
.detail{display:grid;grid-template-columns:1fr;gap:8px;max-width:900px;}
.detail-hero{width:100%;border-radius:var(--radius);border:1px solid var(--line);margin:6px 0 22px;}
.detail h2{font-size:20px;color:var(--accent-dark);margin:34px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--accent-soft);}
.detail p{margin:0 0 15px;}
.detail .lead{font-size:17px;color:var(--navy);font-weight:600;}
.note{background:var(--accent-soft);border-left:4px solid var(--accent);padding:16px 20px;margin:22px 0;font-size:14.5px;color:#28405c;border-radius:0 var(--radius) var(--radius) 0;}
.pdf-list{list-style:none;padding:0;margin:14px 0;}
.pdf-list li{margin:10px 0;}
.pdf-list a{font-weight:700;}
.pdf-list a:before{content:"\25BC";color:var(--accent);margin-right:8px;font-size:12px;}
.video-row{display:flex;flex-wrap:wrap;gap:16px;margin:6px 0 4px;}
.video-link{position:relative;display:block;width:320px;max-width:100%;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.video-link img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover;}
.video-link .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(15,39,71,.22);transition:background .2s;}
.video-link:hover .play{background:rgba(15,39,71,.42);}
.video-link .play b{width:62px;height:44px;border-radius:12px;background:rgba(255,0,0,.92);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;padding-left:3px;}
.video-cap{font-size:13px;color:var(--muted);margin:10px 0 22px;}
.cta-band{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:34px;text-align:center;margin:40px 0 10px;}
.cta-band p{margin:0 0 18px;font-size:16px;color:var(--navy);font-weight:600;}
.backlink{margin:28px 0 0;font-size:14px;}

/* ---------- Contact / company ---------- */
.info-table{width:100%;border-collapse:collapse;margin:8px 0 0;}
.info-table th,.info-table td{text-align:left;padding:16px 14px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top;}
.info-table th{width:180px;color:var(--navy);font-weight:700;background:var(--bg);}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow);}
.contact-card .label{font-size:12px;color:var(--muted);letter-spacing:.1em;font-weight:700;}
.contact-card .val{font-size:20px;font-weight:800;color:var(--navy);margin-top:8px;word-break:break-word;}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.principle{text-align:center;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);}
.principle .en{font-size:22px;font-weight:800;color:var(--accent);letter-spacing:.04em;}
.principle .jp{font-size:16px;font-weight:700;color:var(--navy);margin-top:6px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#c8d6e8;padding:56px 0 26px;font-size:14px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand b{display:block;color:#fff;font-size:18px;font-weight:800;margin-bottom:12px;}
.footer-brand p{margin:4px 0;color:#a7bcd6;}
.footer-col h4{color:#fff;font-size:14px;margin:0 0 14px;letter-spacing:.06em;}
.footer-col a{display:block;color:#c8d6e8;padding:5px 0;}
.footer-col a:hover{color:#fff;}
.footer-bottom{padding-top:20px;text-align:center;color:#7f97b5;font-size:12.5px;}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .pillars,.cat-grid,.contact-cards,.principles{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .hero h1{font-size:33px;}
  .section{padding:52px 0;}
  /* mobile nav */
  .nav-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;cursor:pointer;}
  .nav-burger span{display:block;height:2px;width:24px;background:var(--navy);transition:.2s;}
  .site-nav{position:fixed;top:72px;right:0;left:0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow-lg);
    max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 16px;}
  .site-nav a{padding:16px 8px;border-bottom:1px solid var(--line);border-radius:0;}
  .site-nav a.nav-cta{margin:14px 0;text-align:center;border-radius:var(--radius);}
  .nav-toggle:checked ~ .site-nav{max-height:80vh;padding:8px 16px 16px;}
  .nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0;}
  .nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
}
@media (max-width:600px){
  /* header: stack company name / english so 株式会社 doesn't split */
  .brand{flex-direction:column;align-items:flex-start;gap:2px;font-size:16px;}
  .brand small{letter-spacing:.1em;}
  .hero-inner{padding:44px 24px 48px;}
  .hero h1{font-size:23px;line-height:1.5;}
  .hero-badges{margin-top:26px;gap:22px;}
  .section-title{font-size:23px;}
  .info-table th{width:120px;}
}