*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#ffffff;
  --bg-soft:#fafaf6;
  --bg-card:#f5f1ea;
  --line:#e7e2d6;
  --line-2:#d4cdba;
  --text:#1c1917;
  --text-2:#44403c;
  --text-mute:#78716c;
  --text-dim:#a8a29e;
  --accent:#d97706;        /* 木材オレンジ */
  --accent-2:#b45309;
  --accent-soft:#fef3c7;
  --green:#16a34a;         /* 補助：建材グリーン */
  --warn:#dc2626;
}
html{scroll-behavior:smooth;background:var(--bg);}
body{font-family:'Noto Sans JP',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased;}
.mono{font-family:'JetBrains Mono','Roboto Mono',monospace;}
img{display:block;max-width:100%;}
a{color:inherit;}

.demo-tag{position:fixed;top:0;left:0;right:0;background:#1c1917;color:#fff;text-align:center;padding:8px 12px;font-size:0.7rem;letter-spacing:0.05em;z-index:200;}

header{position:fixed;top:38px;left:0;right:0;background:rgba(255,255,255,0.95);backdrop-filter:blur(12px);z-index:100;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid var(--line);}
.logo{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;}
.logo-mark{width:40px;height:40px;background:var(--accent);color:#fff;display:grid;place-items:center;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:1.1rem;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text span{font-size:0.92rem;font-weight:700;}
.logo-text small{font-family:'JetBrains Mono',monospace;font-size:0.55rem;color:var(--text-mute);letter-spacing:0.15em;margin-top:3px;}
nav{display:flex;align-items:center;gap:4px;}
nav a{color:var(--text-2);text-decoration:none;font-size:0.78rem;padding:8px 14px;font-family:'JetBrains Mono',monospace;letter-spacing:0.05em;text-transform:uppercase;}
nav a:hover{color:var(--accent);}
nav a.current{color:var(--accent);}
.nav-cta{background:var(--accent)!important;color:#fff!important;font-weight:700!important;padding:9px 20px!important;}

/* === HERO: split layout with logos strip === */
.hero{padding:130px 40px 0;background:var(--bg);min-height:80vh;display:flex;align-items:center;}
.hero-inner{max-width:1300px;margin:0 auto;width:100%;display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:center;}
.hero-tag{display:inline-block;background:var(--accent-soft);color:var(--accent-2);font-family:'JetBrains Mono',monospace;font-size:0.75rem;letter-spacing:0.15em;padding:6px 14px;font-weight:700;margin-bottom:24px;border:1px solid var(--accent);}
.hero h1{font-family:'Noto Sans JP',sans-serif;font-size:clamp(2.2rem,4.4vw,3.8rem);font-weight:900;line-height:1.25;color:var(--text);margin-bottom:24px;letter-spacing:-0.01em;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-lead{color:var(--text-mute);font-size:1rem;line-height:2;margin-bottom:32px;max-width:560px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;}
.btn{display:inline-block;padding:14px 28px;text-decoration:none;font-weight:700;font-size:0.85rem;font-family:'JetBrains Mono',monospace;letter-spacing:0.1em;text-transform:uppercase;border:none;cursor:pointer;transition:all 0.2s;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-2);}
.btn-out{background:transparent;border:1px solid var(--line-2);color:var(--text-2);}
.btn-out:hover{border-color:var(--accent);color:var(--accent);}

.hero-visual{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;}
.hero-tile{background:linear-gradient(135deg,var(--accent-soft),var(--bg-card));aspect-ratio:1;border:1px solid var(--line);padding:18px;display:flex;flex-direction:column;justify-content:flex-end;}
.hero-tile-cat{font-family:'JetBrains Mono',monospace;font-size:0.65rem;color:var(--accent-2);letter-spacing:0.2em;font-weight:700;}
.hero-tile-name{font-size:0.95rem;font-weight:700;color:var(--text);margin-top:4px;}

.makers-strip{padding:48px 40px;background:var(--bg-card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.makers-strip-inner{max-width:1200px;margin:0 auto;text-align:center;}
.makers-eyebrow{font-family:'JetBrains Mono',monospace;color:var(--text-mute);font-size:0.72rem;letter-spacing:0.25em;font-weight:700;margin-bottom:18px;text-transform:uppercase;}
.makers-grid{display:flex;flex-wrap:wrap;gap:20px 32px;justify-content:center;align-items:center;}
.maker{font-family:'Noto Serif JP',serif;font-size:0.95rem;color:var(--text);font-weight:700;letter-spacing:0.05em;}

/* === Catalog === */
.catalog{padding:96px 40px;background:var(--bg);}
.catalog-head{text-align:center;margin-bottom:56px;}
.catalog-eyebrow{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:0.78rem;letter-spacing:0.2em;font-weight:700;margin-bottom:14px;display:block;}
.catalog h2{font-family:'Noto Sans JP',sans-serif;font-size:clamp(1.8rem,3vw,2.6rem);font-weight:900;color:var(--text);margin-bottom:14px;}
.catalog h2 em{font-style:normal;color:var(--accent);}
.catalog-lead{color:var(--text-mute);max-width:680px;margin:0 auto;line-height:1.95;}

.cat-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.cat-tile{background:var(--bg-soft);padding:32px 28px;border:1px solid var(--line);border-top:3px solid var(--accent);}
.cat-num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:0.78rem;letter-spacing:0.2em;font-weight:700;margin-bottom:10px;}
.cat-tile h3{font-family:'Noto Sans JP',sans-serif;font-size:1.2rem;color:var(--text);margin-bottom:10px;font-weight:900;}
.cat-tile-jp{color:var(--text-mute);font-size:0.85rem;line-height:1.85;margin-bottom:16px;}
.cat-tile-list{display:flex;flex-direction:column;gap:6px;font-size:0.82rem;color:var(--text-2);}
.cat-tile-list li{list-style:none;padding-left:12px;position:relative;}
.cat-tile-list li::before{content:'•';color:var(--accent);position:absolute;left:0;}

/* === FAX Order Promo === */
.fax-promo{padding:96px 40px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);color:#fff;}
.fax-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.fax-eyebrow{font-family:'JetBrains Mono',monospace;color:rgba(255,255,255,0.7);font-size:0.78rem;letter-spacing:0.25em;font-weight:700;margin-bottom:18px;display:block;}
.fax-promo h2{font-family:'Noto Sans JP',sans-serif;font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:900;color:#fff;line-height:1.4;margin-bottom:24px;}
.fax-promo p{color:rgba(255,255,255,0.9);font-size:0.95rem;line-height:2;margin-bottom:18px;}
.fax-num{font-family:'JetBrains Mono',monospace;font-size:1.8rem;color:#fff;font-weight:700;letter-spacing:0.05em;background:rgba(255,255,255,0.1);padding:10px 18px;display:inline-block;}
.fax-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.fax-card{background:rgba(255,255,255,0.12);padding:22px 20px;border:1px solid rgba(255,255,255,0.25);text-align:center;text-decoration:none;color:#fff;transition:background 0.2s;}
.fax-card:hover{background:rgba(255,255,255,0.22);}
.fax-card-icon{font-size:1.6rem;margin-bottom:8px;}
.fax-card-name{font-family:'JetBrains Mono',monospace;font-size:0.78rem;letter-spacing:0.1em;font-weight:700;}

/* === Why us === */
.why{padding:96px 40px;background:var(--bg-soft);}
.why-head{text-align:center;margin-bottom:48px;}
.why-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.why-card{background:var(--bg);padding:36px 28px;border-left:4px solid var(--accent);border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
.why-num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:0.95rem;letter-spacing:0.2em;font-weight:700;margin-bottom:14px;}
.why-card h3{font-family:'Noto Sans JP',sans-serif;font-size:1.2rem;font-weight:900;margin-bottom:12px;color:var(--text);}
.why-card p{color:var(--text-mute);font-size:0.88rem;line-height:1.95;}

/* === Company info === */
.company{padding:96px 40px;background:var(--bg);}
.company-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1.3fr;gap:64px;align-items:start;}
.company-info table{width:100%;border-collapse:collapse;}
.company-info th,.company-info td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);font-size:0.92rem;vertical-align:top;}
.company-info th{width:130px;color:var(--text-mute);font-family:'JetBrains Mono',monospace;font-size:0.7rem;letter-spacing:0.1em;text-transform:uppercase;background:var(--bg-soft);}
.company-info td{color:var(--text);}

/* === Contact === */
.contact{padding:96px 40px;background:var(--bg-soft);}
.contact-card{max-width:680px;margin:0 auto;background:var(--bg);padding:56px 48px;border:1px solid var(--line);text-align:center;}
.contact-eng{font-family:'JetBrains Mono',monospace;font-size:0.78rem;letter-spacing:0.25em;color:var(--accent);font-weight:700;margin-bottom:8px;}
.contact-card h2{font-size:2rem;color:var(--text);margin:0 0 12px;font-weight:900;}
.contact-card > p{color:var(--text-mute);font-size:0.9rem;margin-bottom:32px;line-height:1.95;}
.contact-tel{font-family:'JetBrains Mono',monospace;font-size:2rem;color:var(--accent);font-weight:700;letter-spacing:0.05em;display:block;margin-bottom:8px;text-decoration:none;}
.contact-tel-note{font-size:0.78rem;color:var(--text-mute);margin-bottom:24px;display:block;}

/* === Footer === */
footer{background:var(--text);color:rgba(255,255,255,0.7);padding:48px 40px;}
.footer-inner{max-width:1300px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:32px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,0.1);margin-bottom:24px;}
.footer-info{font-size:0.78rem;line-height:1.85;font-family:'JetBrains Mono',monospace;}
.footer-h{color:var(--accent);font-family:'JetBrains Mono',monospace;font-size:0.65rem;letter-spacing:0.2em;margin-bottom:14px;text-transform:uppercase;}
.footer-nav{display:flex;flex-direction:column;gap:6px;}
.footer-nav a{color:rgba(255,255,255,0.6);text-decoration:none;font-size:0.78rem;}
.footer-nav a:hover{color:var(--accent);}
.footer-copy{font-size:0.7rem;color:rgba(255,255,255,0.4);text-align:center;font-family:'JetBrains Mono',monospace;letter-spacing:0.1em;}

.page-hero{padding:140px 40px 60px;background:var(--bg-soft);border-bottom:1px solid var(--line);}
.page-hero-inner{max-width:1200px;margin:0 auto;}
.page-hero .crumb{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:0.75rem;letter-spacing:0.2em;margin-bottom:12px;}
.page-hero h1{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:900;color:var(--text);margin-bottom:14px;}
.page-hero p{color:var(--text-mute);max-width:680px;line-height:1.95;}

@media(max-width:900px){
  header{padding:0 20px;height:56px;}
  nav a:not(.nav-cta){display:none;}
  .hero{padding:110px 20px 40px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .makers-strip{padding:32px 20px;}
  .catalog,.fax-promo,.why,.company,.contact{padding:64px 20px;}
  .cat-grid,.why-grid{grid-template-columns:1fr;}
  .fax-inner,.company-inner{grid-template-columns:1fr;gap:32px;}
  .footer-inner{grid-template-columns:1fr;gap:24px;}
  .demo-tag{font-size:0.6rem;padding:6px 8px;}
}