:root{
  --bg:#f9f9f9;
  --text:#202020;
  --muted:#666;
  --line:#e2e2e2;
  --gray:#f0f0f0;
  --dark:#050c12;
  --header-h:84px;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
.section-pad{padding:90px 0}
.eyebrow{margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.22em}
.eyebrow-light{color:#fff}
.intro-sub{margin:10px 0 0;color:#555;line-height:1.8;font-size:13px}

/* header */
.site-header{position:fixed;inset:0 0 auto 0;height:var(--header-h);z-index:90;background:rgba(249,249,249,.97);border-bottom:1px solid rgba(0,0,0,.06);backdrop-filter:blur(10px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.brand-logo{width:188px}
.desktop-nav{display:flex;gap:28px}
.desktop-nav a{font-size:11px;letter-spacing:.12em;color:#424242;position:relative}
.desktop-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-9px;height:1px;background:#424242;transform:scaleX(0)}
.desktop-nav a:hover::after,.desktop-nav a[aria-current="page"]::after{transform:scaleX(1)}
.menu-toggle{display:none;position:relative;width:46px;height:46px;border:0;background:none;z-index:100}
.menu-toggle span{position:absolute;left:10px;right:10px;top:19px;height:1.5px;background:#424242;transition:.25s}
.menu-toggle span:last-child{top:27px}
.menu-toggle.is-open span{top:23px;transform:rotate(45deg);background:#fff}
.menu-toggle.is-open span:last-child{transform:rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:80;background:#050c12;color:#fff;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:.25s}
.mobile-menu.is-open{opacity:1;pointer-events:auto}
.mobile-menu nav{display:grid;gap:28px;text-align:center}
.mobile-menu a{font-size:20px;letter-spacing:.2em}

/* hero */
.product-hero{position:relative;min-height:690px;margin-top:var(--header-h);overflow:hidden;background:#050c12;color:#fff}
.hero-bg-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:brightness(.62) saturate(.78) contrast(1.05)}
.hero-overlay{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(4,10,15,.98) 0%,rgba(4,10,15,.94) 28%,rgba(4,10,15,.76) 46%,rgba(4,10,15,.38) 67%,rgba(4,10,15,.12) 100%),
  linear-gradient(180deg,rgba(0,0,0,.06),rgba(0,0,0,.22))}
.hero-inner{position:relative;z-index:2;min-height:690px;display:flex;align-items:center;justify-content:space-between;gap:40px}
.hero-copy{max-width:610px;padding:70px 0}
.hero-copy h1{margin:0;font-size:clamp(52px,6.2vw,88px);line-height:1.07;font-weight:500;letter-spacing:.03em}
.hero-lead{margin:28px 0 0;font-size:16px;font-weight:600;line-height:1.9}
.hero-text{margin:15px 0 0;max-width:590px;color:rgba(255,255,255,.82);font-size:14px;line-height:2}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{min-width:200px;height:50px;padding:0 18px;display:inline-flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:700;letter-spacing:.06em}
.btn-light{background:#fff;color:#111}
.btn-outline{border:1px solid rgba(255,255,255,.7);color:#fff;background:rgba(0,0,0,.08)}
.hero-side-copy{align-self:flex-start;margin-top:65px;display:grid;gap:4px;width:180px;color:rgba(255,255,255,.76);letter-spacing:.24em;font-size:13px}
.hero-side-copy i{display:block;width:38px;height:1px;background:rgba(255,255,255,.58);margin:18px 0}
.hero-side-copy small{font-size:8px;line-height:1.9;letter-spacing:.16em}
.hero-fade{position:absolute;left:0;right:0;bottom:-1px;height:80px;background:linear-gradient(180deg,transparent,#f9f9f9)}

/* common section */
.section-intro.split{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:end;margin-bottom:34px}
.section-intro h2{margin:0;font-size:clamp(34px,4.4vw,58px);font-weight:500;letter-spacing:.06em}
.section-intro>p{margin:0;font-size:13px;line-height:2;color:#494949}

/* What */
.what{background:#f9f9f9}
.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.strength-card{background:#fff;border:1px solid var(--line)}

.strength-visual{position:relative;aspect-ratio:1.42/1;overflow:hidden;background:#ddd}
.strength-visual img{width:100%;height:100%;object-fit:cover;display:block;filter:contrast(1.02) saturate(.96)}
.placeholder{position:relative;aspect-ratio:1.42/1;background:linear-gradient(135deg,#eee,#d8d8d8);display:grid;place-items:center;color:#666;text-align:center;overflow:hidden}
.placeholder::before,.placeholder::after{content:"";position:absolute;width:140%;height:1px;background:rgba(255,255,255,.75);left:-20%;top:50%}
.placeholder::before{transform:rotate(35deg)}
.placeholder::after{transform:rotate(-35deg)}
.placeholder span,.placeholder small{position:relative;z-index:2;display:block}
.placeholder span{font-weight:700;margin-bottom:6px}
.placeholder small{font-size:10px;line-height:1.6}
.strength-copy{padding:22px 20px 24px}
.strength-copy .num{display:block;font-size:11px;letter-spacing:.16em;color:#666}
.strength-copy h3{margin:7px 0 12px;font-size:20px}
.strength-copy h3 small{display:block;margin-top:5px;font-size:9px;font-weight:500;letter-spacing:.18em;color:#777}
.strength-copy p{margin:0;font-size:12px;line-height:1.8;color:#555}

/* process */
.process{background:#f0f0f0}
.process-flow{display:grid;grid-template-columns:repeat(6,1fr)}
.process-flow div{position:relative;background:#fff;padding:20px 15px;border-right:1px solid #e2e2e2;min-height:92px}
.process-flow div::after{content:"";position:absolute;right:-15px;top:0;border-top:46px solid transparent;border-bottom:46px solid transparent;border-left:15px solid #fff;z-index:2}
.process-flow div:last-child::after{display:none}
.process-flow span{display:block;font-size:10px;color:#777;margin-bottom:7px}
.process-flow strong{font-size:12px}

/* lineup */
.lineup{background:#f9f9f9}
.lineup-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card{background:#fff;border:1px solid var(--line)}
.product-placeholder{aspect-ratio:3/2}
.product-visual{aspect-ratio:3/2;overflow:hidden;background:#e7e7e7}
.product-visual img{display:block;width:100%;height:100%;object-fit:cover}

.product-card h3{margin:16px 16px 5px;font-size:19px}
.product-card p{margin:0 16px 18px;font-size:11px;color:#666}

/* contact */
.product-contact{background:#0a1116;color:#fff;padding:0}
.contact-panel{min-height:130px;display:grid;grid-template-columns:1fr 2fr auto;gap:28px;align-items:center}
.contact-kicker{font-size:12px;line-height:1.6;letter-spacing:.1em}
.contact-panel strong{font-size:18px;border-left:1px solid rgba(255,255,255,.26);padding-left:30px}
.contact-panel a{width:54px;height:34px;border:1px solid rgba(255,255,255,.72);border-radius:999px;display:grid;place-items:center}

/* footer */
.site-footer.footer-network{position:relative;isolation:isolate;overflow:hidden;background:#000;color:#fff;padding:48px 0 20px}
#footer-network-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.footer-network-wash{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.22)),radial-gradient(circle at 72% 20%,rgba(0,117,255,.08),rgba(0,0,0,0) 68%)}
.footer-grid,.copyright{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1fr 2fr 1fr;gap:30px;align-items:start}
.footer-brand-logo{width:190px}
.footer-brand p,.footer-info p{margin:8px 0;font-size:11px}
.footer-grid nav{display:flex;flex-wrap:wrap;gap:10px 18px;justify-content:center;font-size:10px}
.footer-info{text-align:right}
.copyright{border-top:1px solid rgba(255,255,255,.22);margin-top:28px;padding-top:16px;font-size:9px}

/* responsive */
@media(max-width:980px){
  .desktop-nav{display:none}
  .menu-toggle{display:block}
  .hero-side-copy{display:none}
  .strength-grid,.lineup-grid{grid-template-columns:repeat(2,1fr)}
  .section-intro.split{grid-template-columns:1fr;gap:18px}
  .process-flow{grid-template-columns:repeat(3,1fr);gap:1px}
  .process-flow div::after{display:none}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid nav{justify-content:flex-start}
  .footer-info{text-align:left}
}
@media(max-width:640px){
  :root{--header-h:76px}
  .container{width:min(calc(100% - 32px),var(--max))}
  .brand-logo{width:156px}
  .site-header.menu-open{background:#050c12}
  .site-header.menu-open .brand-logo{filter:brightness(0) invert(1)}
  .product-hero,.hero-inner{min-height:620px}
  .hero-bg-image{object-position:58% center}
  .hero-overlay{background:linear-gradient(90deg,rgba(4,10,15,.97),rgba(4,10,15,.82) 55%,rgba(4,10,15,.35))}
  .hero-copy{padding:54px 0}
  .hero-copy h1{font-size:50px}
  .hero-lead{font-size:14px}
  .hero-text{font-size:12px}
  .hero-actions{display:grid}
  .btn{width:100%}
  .section-pad{padding:66px 0}
  .strength-grid,.lineup-grid{grid-template-columns:1fr}
  .process-flow{grid-template-columns:1fr 1fr}
  .contact-panel{grid-template-columns:1fr auto;padding:24px 0}
  .contact-kicker{display:none}
  .contact-panel strong{border:0;padding:0;font-size:14px}
  .footer-brand-logo{width:178px}
}