:root{--ink:#171717;--muted:#6f7378;--line:#e7e7e7;--soft:#f6f7f8;--accent:#ff5f57}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.shell{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:10;padding:14px 0;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.06)}
.site-nav{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.4px}
.brand img{width:26px;height:26px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:10px 12px;border-radius:10px;font-size:13px;color:var(--muted)}
.nav-links a:hover{background:var(--soft);color:var(--ink)}
.nav-cta{padding:12px 18px!important;border-radius:999px!important;background:var(--ink)!important;color:#fff!important;font-weight:700}
.page-hero{padding:88px 0 46px}
.page-kicker{display:block;margin-bottom:15px;font-size:11px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;color:#9a9da1}
.page-hero h1{max-width:800px;margin:0;font-size:clamp(38px,6vw,72px);line-height:1.08;letter-spacing:-2.6px}
.page-hero p{max-width:690px;margin:24px 0 0;font-size:16px;line-height:1.9;color:var(--muted)}
.hero-photo{margin-top:42px;position:relative;overflow:hidden;border-radius:24px;aspect-ratio:16/7;background:#111}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.22),transparent 60%)}
.section{padding:72px 0}
.section.soft{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}
.section-head h2{margin:0;font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-1.2px}
.section-head p{max-width:520px;margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.feature-card{padding:28px;border:1px solid var(--line);border-radius:20px;background:#fff}
.feature-num{display:block;margin-bottom:28px;font-size:11px;font-weight:800;letter-spacing:1.3px;color:#a0a3a7}
.feature-card h3{margin:0 0 12px;font-size:21px;line-height:1.45}
.feature-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.85}
.visual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.visual-card{position:relative;overflow:hidden;min-height:480px;border-radius:22px;background:#111;color:#fff}
.visual-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 25%,rgba(0,0,0,.82))}
.visual-copy{position:absolute;z-index:1;left:28px;right:28px;bottom:26px}
.visual-copy span{display:block;margin-bottom:10px;font-size:10px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:rgba(255,255,255,.68)}
.visual-copy h2,.visual-copy h3{margin:0;font-size:clamp(25px,3vw,38px);line-height:1.3;letter-spacing:-.8px}
.visual-copy p{margin:14px 0 0;font-size:13px;line-height:1.8;color:rgba(255,255,255,.72)}
.visual-link{display:flex;justify-content:space-between;align-items:center;margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.3);font-size:13px;font-weight:700}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.product-card{overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#fff;transition:transform .25s ease,box-shadow .25s ease}
.product-card:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(0,0,0,.08)}
.product-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--soft)}
.product-body{padding:22px}
.product-body small{font-size:10px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;color:#92969a}
.product-body h2,.product-body h3{margin:8px 0 10px;font-size:21px}
.product-body p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
.product-body strong{display:block;margin-top:18px;font-size:13px}
.price-note{padding:28px;border-radius:20px;background:var(--ink);color:#fff}
.price-note h3{margin:0 0 10px;font-size:24px}
.price-note p{margin:0;color:rgba(255,255,255,.66);font-size:14px;line-height:1.8}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin:14px 0 0;color:var(--muted);font-size:14px;line-height:1.8}
.cta{padding:72px 0;text-align:center;background:#111;color:#fff}
.cta h2{margin:0;font-size:clamp(30px,5vw,52px);line-height:1.25}
.cta p{margin:18px auto 26px;max-width:620px;color:rgba(255,255,255,.65);line-height:1.8}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 24px;border-radius:999px;background:#fff;color:#111;font-weight:800}
.site-footer{padding:34px 0;background:#080909;color:rgba(255,255,255,.55);font-size:12px}
.footer-row{display:flex;justify-content:space-between;gap:20px;align-items:center}
.footer-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-links a:hover{color:#fff}
@media(max-width:780px){
  .shell{width:min(100% - 36px,1180px)}
  .nav-links a:not(.nav-cta){display:none}
  .page-hero{padding:54px 0 34px}
  .page-hero h1{font-size:clamp(34px,10vw,48px);line-height:1.18;letter-spacing:-1.4px}
  .page-hero p{font-size:14px;line-height:1.85;margin-top:18px}
  .hero-photo{margin-top:28px;aspect-ratio:4/3;border-radius:18px}
  .section{padding:52px 0}
  .section-head{display:block;margin-bottom:24px}
  .section-head h2{font-size:28px;line-height:1.32;letter-spacing:-.7px}
  .section-head p{margin-top:12px}
  .feature-grid,.visual-grid,.product-grid{grid-template-columns:1fr}
  .visual-card{min-height:430px}
  .footer-row{align-items:flex-start;flex-direction:column}
}