:root{--navy:#0c2848;--blue:#1264dd;--ink:#152e48;--muted:#4b6076;--line:#d7e1eb;--paper:#f3f7fb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;font:16px/1.85 'Yu Gothic','Meiryo',sans-serif;color:var(--ink);background:#fff}a{color:inherit;text-underline-offset:4px}button,input{font:inherit}.wrap{width:min(1200px,calc(100% - 80px));margin:auto}header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:96px;gap:28px}.brand{text-decoration:none;display:block}.brand span{font-family:Arial,sans-serif;font-size:27px;font-weight:700;letter-spacing:1px}.brand b{color:var(--blue)}.brand small{display:block;font-size:12px;font-weight:500;color:var(--muted)}nav{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700}nav a{text-decoration:none}nav a:hover,nav a[aria-current]{color:var(--blue)}.nav-contact{padding:10px 16px;background:var(--navy);color:#fff}.menu-toggle{display:none}.hero{background:var(--navy);color:#fff;padding:84px 0 88px}.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:60px;align-items:center}.eyebrow{font-family:Arial,'Meiryo',sans-serif;font-size:13px;letter-spacing:2px;font-weight:700;margin:0 0 20px;color:var(--blue)}.hero .eyebrow,.contact .eyebrow{color:#87baff}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,3.55vw,50px);line-height:1.6;letter-spacing:-1px;margin-bottom:26px}h1 em{font-style:normal;color:#8ebfff}.lead{font-size:17px;line-height:2;margin-bottom:30px}.hero .lead{color:#d8e5f6}.actions{display:flex;gap:14px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;min-height:52px;padding:12px 24px;text-decoration:none;font-size:14px;font-weight:700;border:1px solid transparent}.button:hover{background:#074eb3}.button.secondary{background:transparent;border-color:#9daec1;color:inherit}.button.secondary:hover{background:#ffffff12}.data-map{border:1px solid #607895;background:#143454;padding:28px;text-align:center}.map-label{font-size:14px;letter-spacing:1px;margin-bottom:22px;color:#c4d6ed}.map-input{border:1px solid #6388b3;padding:12px;background:#214466}.map-input span{display:block;color:#c4d6ed;font-size:12px}.map-connector{height:24px;width:1px;background:#8ebfff;margin:auto}.map-core{background:#fff;color:var(--navy);padding:18px;font-family:Arial,sans-serif;font-weight:700;font-size:25px}.map-core strong{color:var(--blue);font-size:39px}.map-core small{display:block;font-size:14px}.map-outputs{display:flex;gap:10px}.map-outputs span{flex:1;border:1px solid #6388b3;padding:10px;font-size:14px}.data-map p{font-size:12px;color:#c4d6ed;margin:20px 0 0}.strip{background:#eaf1fa;border-bottom:1px solid var(--line)}.strip .wrap{display:flex;justify-content:space-between;padding:22px 0;font-size:14px;font-weight:700}.section{padding-top:78px;padding-bottom:78px;border-bottom:1px solid var(--line)}h2{font-size:clamp(25px,2.5vw,34px);line-height:1.6;margin-bottom:34px}h3{font-size:20px;line-height:1.7;margin-bottom:16px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.card{border:1px solid var(--line);padding:32px 34px;display:flex;flex-direction:column}.card .eyebrow{font-size:12px;color:var(--muted);letter-spacing:1px}.card h3{font-family:Arial,'Meiryo',sans-serif;font-size:30px;margin-bottom:10px}.card-title{font-size:19px;font-weight:700;margin-bottom:14px}.card p:not(.card-title){color:var(--muted)}.text-link{display:flex;justify-content:space-between;margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:14px;text-decoration:none;color:var(--blue);font-weight:700}.three,.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:38px}.three p,.steps p{color:var(--muted)}.number{display:block;color:var(--blue);font:40px Arial;margin-bottom:24px}.steps{list-style:none;padding:0;margin:0}.steps li{border-top:2px solid var(--navy);padding-top:20px}.steps b{font:18px Arial;color:var(--blue)}.steps h3{margin-top:14px}.contact{background:var(--navy);color:#fff;padding:66px 0}.contact-inner{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:70px}.contact h2{font-size:30px;margin-bottom:18px}.contact p{color:#d8e5f6;margin-bottom:0}.contact .eyebrow{margin-bottom:18px}.contact .button{width:100%;margin-bottom:20px}.phone{display:block;font:28px Arial;text-decoration:none;text-align:center}.contact small{display:block;font-size:13px;color:#d8e5f6;text-align:center;margin-top:10px}footer{padding-top:44px;padding-bottom:22px}.footer-top{display:flex;justify-content:space-between;gap:30px}.footer-top p{font-size:13px;color:var(--muted);margin-top:16px}.footer-links{display:flex;flex-wrap:wrap;gap:24px;align-content:flex-start;font-size:13px}.copyright{font-size:12px;color:var(--muted);padding-top:24px;border-top:1px solid var(--line);margin-bottom:0}.product-hero{padding-top:56px;padding-bottom:50px}.product-hero h1{font-size:48px;margin-bottom:12px}.breadcrumb{display:block;font-size:13px;color:var(--muted);margin-bottom:34px}.product-headline{font-size:27px;font-weight:700;margin-bottom:20px}.product-hero .lead{max-width:800px;color:var(--muted)}.product-hero+.section{background:var(--paper);width:100%;padding-left:max(40px,calc((100% - 1200px)/2));padding-right:max(40px,calc((100% - 1200px)/2))}.info-list{margin:0}.info-list div{display:grid;grid-template-columns:260px 1fr;border-top:1px solid var(--line);padding:20px 0}.info-list dt{font-weight:700}.info-list dd{margin:0;color:var(--muted)}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0}.price-block{background:var(--paper);padding:28px}.price-block strong{display:block;font:36px Arial;margin:16px 0}.price-block small{font-size:14px;margin-left:6px}.price-block p{font-size:14px;color:var(--muted);margin:0}.calculator{background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:32px;margin:36px 0}.calculator label{font-size:14px;display:block}.calculator input{width:120px;padding:8px;margin-top:8px}.calculator output{display:block;font:40px Arial;margin:12px 0}.calculator p{margin:0;font-size:14px}details{padding:22px 0;border-bottom:1px solid var(--line)}summary{font-weight:700;cursor:pointer}details p{margin-top:18px;margin-bottom:0;color:var(--muted)}.skip{position:absolute;top:-100px}.skip:focus{top:0;background:#fff;padding:10px;z-index:100}:focus-visible{outline:3px solid #f4a53b;outline-offset:4px}#services{scroll-margin-top:130px}@media(max-width:1000px){.wrap{width:calc(100% - 48px)}nav{gap:14px}.hero-grid{gap:30px}h1{font-size:34px}.hero{padding:55px 0}.three,.steps{gap:22px}.brand span{font-size:23px}.contact-inner{gap:35px}}@media(max-width:760px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:78px;gap:12px}.menu-toggle{display:block;background:#fff;border:1px solid var(--line);font-size:14px;padding:8px 12px}nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:20px;flex-wrap:wrap;border-bottom:1px solid var(--line)}nav.open{display:flex}.hero-grid{grid-template-columns:1fr;gap:36px}.hero{padding:42px 0}h1{font-size:32px;letter-spacing:-.5px}.lead{font-size:16px}.desktop{display:none}.data-map{padding:22px}.strip .wrap{gap:10px;flex-wrap:wrap;font-size:12px;padding:17px 0}.section{padding-top:48px;padding-bottom:48px}h2{font-size:26px;margin-bottom:24px}.cards,.three,.steps,.price-grid,.calculator,.contact-inner{grid-template-columns:1fr}.cards{gap:16px}.card{padding:26px}.three,.steps{gap:26px}.number{font-size:30px;margin-bottom:12px}.contact{padding:44px 0}.contact h2{font-size:26px}.footer-top{display:block}.footer-links{margin:22px 0;gap:16px}.product-hero h1{font-size:36px}.product-headline{font-size:23px}.product-hero+.section{padding-left:18px;padding-right:18px}.info-list div{grid-template-columns:1fr;gap:8px}.price-grid{gap:12px}.price-block{padding:22px}.calculator{padding:24px;gap:24px}.actions .button{width:100%}}

.catalog-nav{position:static;display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 36px;padding:0;background:none;border:0}.catalog-nav a{border:1px solid var(--line);padding:8px 14px;background:white;font-size:14px}.catalog-category{scroll-margin-top:120px;border-top:1px solid var(--line);padding:32px 0}.catalog-category h3{font-size:24px;color:var(--navy);margin-bottom:20px}.catalog-category h4{font-size:15px;margin:22px 0 12px;color:var(--blue)}.parts-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 20px;font-size:14px}.parts-list li{padding:8px 12px;background:white;border-left:2px solid var(--line);overflow-wrap:anywhere}.maker-list{font-size:14px;margin:0}.maker-list div{display:grid;grid-template-columns:240px 1fr;gap:16px;border-bottom:1px solid var(--line);padding:12px 0}.maker-list dt{font-weight:700}.maker-list dd{margin:0;overflow-wrap:anywhere}.catalog-note{font-size:13px;color:var(--muted);margin:20px 0 0}#catalog{scroll-margin-top:130px}@media(max-width:1000px){#nav{gap:12px;font-size:13px}}@media(max-width:760px){.catalog-nav{display:flex!important;position:static!important;padding:0!important}.parts-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;font-size:13px}.maker-list div{grid-template-columns:1fr;gap:4px}.catalog-category{scroll-margin-top:100px}}@media(max-width:400px){.parts-list{grid-template-columns:1fr}}
.supplier-group{padding:18px 0;border-bottom:1px solid var(--line)}.supplier-group h5{font-size:16px;margin:0 0 12px;color:var(--navy)}.supplier-list{font-size:14px;margin:0}.supplier-list>div{display:grid;grid-template-columns:160px minmax(0,1fr);gap:20px;padding:8px 0}.supplier-list dt{font-weight:700}.supplier-list dd{margin:0}.supplier-links{display:flex;flex-wrap:wrap;gap:12px 24px;list-style:none;padding:0;margin:0}.supplier-links li{max-width:100%;overflow-wrap:anywhere}.supplier-links a{text-decoration:underline;text-underline-offset:3px;color:var(--blue)}.supplier-links a:hover{color:var(--navy)}.supplier-links small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.supplier-links small small{display:inline}@media(max-width:760px){.supplier-list>div{grid-template-columns:1fr;gap:8px}.supplier-links{gap:12px 18px}}