*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#243136;background:#fff;line-height:1.55}
a{color:#243136}
.site-header{position:sticky;top:0;z-index:10;display:flex;gap:24px;align-items:center;justify-content:space-between;padding:14px 5vw;background:#0e1315;color:#fff;box-shadow:0 2px 18px rgba(0,0,0,.16)}
.brand{font-size:22px;font-weight:700;color:#fff;text-decoration:none;letter-spacing:.2px}
.nav{display:flex;gap:18px;flex-wrap:wrap}
.nav a{color:#fff;text-decoration:none;opacity:.9}
.nav a:hover{opacity:1}
.hero{padding:58px 5vw;background:#f4f7f7}
.hero-inner{max-width:1120px;margin:auto;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:38px;align-items:center}
.hero h1{max-width:880px;margin:0 0 16px;font-size:42px;line-height:1.12}
.hero p{max-width:760px;font-size:18px;color:#465457}
.hero-visual{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:160px 160px;gap:12px}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:8px;box-shadow:0 14px 32px rgba(14,19,21,.18);background:#fff}
.hero-visual img:first-child{grid-row:span 2}
.section{max-width:1120px;margin:auto;padding:42px 5vw}
.section h1,.section h2{line-height:1.2}
.grid{display:grid;gap:24px}
.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{border:1px solid #e4e8e8;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 8px 24px rgba(36,49,54,.07);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(36,49,54,.12);border-color:#d7dddd}
.card-image{display:block;position:relative;padding-top:100%;overflow:hidden;background:#f6f6f6}
.card-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,0),rgba(14,19,21,.08));opacity:0;transition:opacity .2s ease}
.card:hover .card-image:after{opacity:1}
.card-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-image img{transform:scale(1.045)}
.card h2{font-size:18px;margin:14px 14px 8px;line-height:1.28}
.card h2 a{text-decoration:none}
.card p{margin:0 14px 16px;color:#526064}
.content{max-width:920px}
.content img{max-width:100%;height:auto;border-radius:8px;box-shadow:0 10px 28px rgba(36,49,54,.11);background:#f6f6f6}
.product-hero{display:grid;grid-template-columns:minmax(260px,430px) 1fr;gap:36px;align-items:start}
.product-media{margin:0;padding:10px;border:1px solid #e4e8e8;border-radius:8px;background:#fff;box-shadow:0 14px 36px rgba(36,49,54,.1)}
.product-main-image{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:6px;background:#f6f6f6}
.meta-list{display:grid;gap:8px;margin:18px 0;color:#465457}
.button{display:inline-block;background:#df1d1d;color:#fff;padding:12px 18px;border-radius:4px;text-decoration:none;box-shadow:0 8px 18px rgba(223,29,29,.2)}
.inquiry-form input,.inquiry-form textarea{width:100%;max-width:620px;border:1px solid #ccd5d5;border-radius:4px;padding:10px;font:inherit}
.hp{display:none}
.site-footer{display:grid;gap:8px;padding:32px 5vw;background:#0e1315;color:#fff}
.site-footer a{color:#fff}
@media(max-width:760px){.site-header{align-items:flex-start;flex-direction:column}.hero-inner{grid-template-columns:1fr}.hero h1{font-size:30px}.hero-visual{grid-template-rows:130px 130px}.product-hero{grid-template-columns:1fr}.cards{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.cards{grid-template-columns:1fr}.hero-visual{grid-template-columns:1fr;grid-template-rows:none}.hero-visual img{height:auto;aspect-ratio:1/1}.hero-visual img:first-child{grid-row:auto}}