:root{--blue:#1f78bd;--blue2:#105a91;--dark:#172334;--muted:#667085;--bg:#f6f8fb;--line:#e7edf5;--green:#0d9f6e;--shadow:0 18px 45px rgba(16,45,80,.10)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,Arial,sans-serif;color:var(--dark);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}.wrap{width:min(1220px,calc(100% - 32px));margin:auto}.top-strip{background:#0f243c;color:#eaf4ff;font-size:13px}.top-strip .wrap{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.header-main{min-height:118px;display:flex;align-items:center;justify-content:space-between;gap:22px}.logo img{display:block;max-width:520px;width:min(52vw,520px);height:auto}.head-actions{display:flex;gap:10px;align-items:center}.lang{padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:#496176;background:#fff;font-weight:700}.lang.on{background:var(--blue);color:#fff;border-color:var(--blue)}.quote-btn,.btn-primary{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;border-radius:999px;padding:11px 20px;font-weight:800;box-shadow:0 8px 20px rgba(31,120,189,.25);border:0}.quote-btn:hover,.btn-primary:hover{background:var(--blue2)}.nav-toggle{display:none;border:0;background:#0f243c;color:#fff;border-radius:10px;font-size:24px;padding:8px 12px}.main-nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}.nav-wrap{display:flex;gap:4px;align-items:center;overflow-x:auto}.main-nav a{padding:15px 16px;font-weight:800;color:#34495d;white-space:nowrap}.main-nav a.active,.main-nav a:hover{color:var(--blue)}.hero{background:linear-gradient(135deg,#f5faff 0%,#eaf3ff 58%,#fff 58%);padding:64px 0}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}.eyebrow{color:var(--blue);font-weight:900;text-transform:uppercase;letter-spacing:.04em}.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.1;margin:10px 0 16px}.hero p{font-size:18px;color:#4f6376}.hero-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:26px}.hero-card img{width:100%;max-height:420px;object-fit:contain}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.stat strong{display:block;font-size:28px;color:var(--blue)}.section{padding:54px 0}.section.alt{background:var(--bg)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}.section h2{font-size:clamp(26px,3vw,38px);margin:0}.section-head p{color:var(--muted);margin:6px 0 0}.group-grid,.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.group-card,.category-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 10px 28px rgba(21,51,80,.07);transition:.2s}.group-card:hover,.category-card:hover,.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.group-img,.category-img{height:210px;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);padding:16px}.group-img img,.category-img img{max-width:100%;max-height:100%;object-fit:contain}.group-card .pad,.category-card .pad{padding:18px}.badge{display:inline-block;background:#eef7ff;color:var(--blue);font-weight:800;border-radius:999px;padding:4px 10px;font-size:12px}.shop-layout{display:grid;grid-template-columns:285px 1fr;gap:26px}.sidebar{position:sticky;top:62px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:0 8px 25px rgba(20,45,70,.06);max-height:calc(100vh - 90px);overflow:auto}.sidebar h3{margin:0 0 12px}.sidebar a{display:block;padding:9px 10px;border-radius:10px;color:#415466}.sidebar a:hover{background:#eef7ff;color:var(--blue)}.searchbar{display:grid;grid-template-columns:1fr auto;gap:10px;margin-bottom:20px}.searchbar input{border:1px solid var(--line);border-radius:999px;padding:13px 18px;font-size:16px}.searchbar button{border:0;border-radius:999px;background:#0f243c;color:#fff;padding:0 22px;font-weight:800}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 10px 30px rgba(20,45,70,.07);transition:.2s;display:flex;flex-direction:column}.product-img{height:320px;background:#fff;display:flex;align-items:center;justify-content:center;padding:20px;border-bottom:1px solid var(--line)}.product-img img{max-width:100%;max-height:100%;object-fit:contain}.product-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}.product-body .cat{color:var(--blue);font-weight:800;font-size:13px;margin:0}.product-body h3{font-size:20px;line-height:1.28;margin:0;min-height:52px}.code{font-weight:900;color:#0f243c;margin:0}.desc{color:var(--muted);font-size:14px;margin:0;flex:1}.inquiry-small{margin-top:10px;display:block;text-align:center;border:1px solid var(--blue);color:var(--blue);font-weight:900;border-radius:999px;padding:10px}.inquiry-small:hover{background:var(--blue);color:#fff}.pagination{display:flex;gap:8px;justify-content:center;margin:30px 0}.pagination a,.pagination span{padding:9px 13px;border:1px solid var(--line);border-radius:10px;background:#fff}.pagination .on{background:var(--blue);color:#fff}.breadcrumbs{font-size:14px;margin:22px 0;color:#657588}.breadcrumbs a{color:var(--blue);font-weight:700}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}.zoom-box{border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow);height:610px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:28px;cursor:zoom-in}.zoom-box img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .12s ease;transform-origin:center}.thumbs{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}.thumbs img{width:96px;height:96px;object-fit:contain;border:1px solid var(--line);border-radius:14px;background:#fff;padding:8px;cursor:pointer}.product-info h1{font-size:clamp(30px,4vw,48px);line-height:1.14;margin:0 0 12px}.meta{display:grid;grid-template-columns:170px 1fr;border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:20px 0}.meta div{padding:12px 14px;border-bottom:1px solid var(--line)}.meta div:nth-child(odd){background:#f7faff;font-weight:900}.meta div:nth-last-child(-n+2){border-bottom:0}.info-box{background:#f7faff;border:1px solid var(--line);border-radius:20px;padding:18px;margin:18px 0}.form-box{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:22px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid .full{grid-column:1/-1}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit}textarea{min-height:150px}.content-page{max-width:920px}.content-page h1{font-size:clamp(32px,4vw,48px);line-height:1.16}.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.text-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 8px 25px rgba(20,45,70,.06)}.pdf-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.pdf-card{border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow);padding:24px}.pdf-card h3{margin-top:0}.pdf-actions{display:flex;gap:10px;flex-wrap:wrap}.outline-btn{border:1px solid var(--line);border-radius:999px;padding:10px 16px;font-weight:800;color:#334}.notice{padding:14px 18px;border-radius:16px;background:#eefaf2;color:#0d6b3e;border:1px solid #ccefd8}.site-footer{background:#101c2d;color:#dbe8f5;margin-top:50px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:26px;padding:48px 0}.footer-logo{max-width:280px;background:#fff;border-radius:14px;padding:8px}.site-footer a{display:block;color:#dbe8f5;margin:7px 0}.site-footer h3{color:#fff}.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.1);padding:16px;color:#b8c7d6}.mobile-only{display:none}@media(max-width:980px){.top-strip .wrap{display:block}.header-main{min-height:90px}.logo img{width:min(70vw,420px)}.head-actions{display:none}.nav-toggle{display:block}.main-nav{position:static;display:none}.main-nav.open{display:block}.nav-wrap{display:block}.main-nav a{display:block;border-top:1px solid var(--line)}.hero-grid,.product-detail,.shop-layout{grid-template-columns:1fr}.sidebar{position:static;max-height:none}.group-grid,.category-grid,.product-grid,.cards-3,.footer-grid,.pdf-grid{grid-template-columns:1fr 1fr}.zoom-box{height:460px}.mobile-only{display:block}}@media(max-width:640px){.wrap{width:min(100% - 20px,1220px)}.hero{padding:38px 0}.group-grid,.category-grid,.product-grid,.cards-3,.footer-grid,.pdf-grid,.stats,.form-grid{grid-template-columns:1fr}.product-img{height:360px}.product-body h3{min-height:0}.meta{grid-template-columns:1fr}.meta div:nth-child(odd){border-bottom:0}.zoom-box{height:410px}.searchbar{grid-template-columns:1fr}.searchbar button{padding:12px}.footer-logo{max-width:220px}}

/* V4.1 patch: compact logo, professional category management, white footer, slider */
.header-main{min-height:86px;padding:10px 0}.logo img{max-width:330px;width:min(34vw,330px);max-height:76px;object-fit:contain}.main-nav a{padding:13px 15px}.site-header{background:#fff;box-shadow:0 3px 18px rgba(12,35,58,.05);position:relative;z-index:30}.hero{display:none}.hero-slider{position:relative;min-height:560px;overflow:hidden;background:#edf5ff}.slide{display:none;min-height:560px;background:radial-gradient(circle at 80% 30%,rgba(31,120,189,.18),transparent 32%),linear-gradient(135deg,#f7fbff 0%,#e9f3ff 58%,#fff 58%)}.slide.active{display:block}.slide-inner{min-height:560px;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:38px}.slide-copy h1{font-size:clamp(36px,5vw,66px);line-height:1.08;margin:12px 0 18px}.slide-copy p{font-size:18px;color:#455b70;max-width:700px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.slide-visual{background:#fff;border:1px solid var(--line);border-radius:34px;padding:34px;box-shadow:0 26px 70px rgba(15,54,89,.14);transform:rotate(-1deg)}.slide-visual img{width:100%;height:360px;object-fit:contain;filter:drop-shadow(0 20px 25px rgba(0,0,0,.15))}.slider-dots{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;gap:9px}.slider-dots button{width:12px;height:12px;border-radius:50%;border:0;background:#afc9e3;cursor:pointer}.slider-dots button.active{background:var(--blue);width:32px;border-radius:999px}.compact-stats{padding:28px 0}.pro-groups{grid-template-columns:repeat(3,1fr)}.pro-groups .group-card .pad p{margin:8px 0 0;color:var(--muted);font-size:14px}.managed-categories{display:grid;gap:16px}.category-accordion{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 10px 32px rgba(21,51,80,.06);overflow:hidden}.category-accordion summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px}.category-accordion summary::-webkit-details-marker{display:none}.category-accordion summary>div{display:flex;align-items:center;gap:16px}.category-accordion summary img{width:84px;height:84px;object-fit:contain;border-radius:18px;background:#f7faff;border:1px solid var(--line);padding:8px}.category-accordion summary strong{display:block;font-size:22px}.category-accordion summary small{display:block;color:var(--muted);margin-top:4px}.category-accordion summary em{font-style:normal;background:#eef7ff;color:var(--blue);font-weight:900;border-radius:999px;padding:8px 14px}.subcategory-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 22px 22px}.subcategory-list a{display:flex;justify-content:space-between;gap:12px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:11px 13px;background:#fbfdff}.subcategory-list a:hover,.subcategory-list .subcat-main{border-color:var(--blue);color:var(--blue);background:#eef7ff;font-weight:900}.smart-sidebar details{border-top:1px solid var(--line);padding:6px 0}.smart-sidebar summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px;border-radius:12px;font-weight:900;color:#23384c}.smart-sidebar summary::-webkit-details-marker{display:none}.smart-sidebar summary:hover{background:#eef7ff;color:var(--blue)}.smart-sidebar summary em{font-style:normal;background:#eef7ff;color:var(--blue);border-radius:999px;padding:2px 8px;font-size:12px}.smart-sidebar .all-products{font-weight:900;background:#f7faff}.smart-sidebar .group-link{font-weight:900;color:var(--blue)}.smart-sidebar a.active{background:var(--blue);color:#fff}.product-detail{grid-template-columns:minmax(430px,1fr) minmax(380px,1fr)}.zoom-box{height:680px;padding:34px}.zoom-box.single-image{background:#fff}.thumbs{display:none!important}.zoom-note{color:var(--muted);font-size:14px;margin:12px 0 0;text-align:center}.detail-list{margin:12px 0 0;padding-left:22px}.detail-list li{margin:7px 0}.company-meta small{color:var(--muted)}.site-footer{background:#fff!important;color:#050505!important;border-top:1px solid var(--line);box-shadow:0 -8px 30px rgba(16,45,80,.05)}.site-footer a,.site-footer h3,.site-footer p{color:#050505!important}.footer-logo{max-width:230px;background:#fff;border:1px solid var(--line)}.copyright{color:#050505!important;border-top:1px solid var(--line)!important;background:#fff}
@media(max-width:980px){.logo img{width:min(58vw,280px);max-height:64px}.header-main{min-height:72px}.slide,.slide-inner{min-height:auto}.hero-slider{min-height:auto}.slide-inner{grid-template-columns:1fr;padding:38px 0 64px}.slide-visual img{height:300px}.pro-groups,.subcategory-list{grid-template-columns:1fr 1fr}.product-detail{grid-template-columns:1fr}.zoom-box{height:520px}.head-actions{display:none}.top-strip .wrap span{display:block}}
@media(max-width:640px){.logo img{width:min(68vw,230px);max-height:58px}.slide-copy h1{font-size:34px}.slide-visual{padding:18px;border-radius:24px}.slide-visual img{height:260px}.pro-groups,.subcategory-list{grid-template-columns:1fr}.category-accordion summary{padding:14px;align-items:flex-start}.category-accordion summary img{width:68px;height:68px}.category-accordion summary strong{font-size:18px}.category-accordion summary em{display:none}.zoom-box{height:440px;padding:18px}.footer-logo{max-width:190px}}

/* V4.2 patch: full-width realistic banners, company office profile block, contact fix */
.hero-slider-photo{background:#fff;min-height:auto;padding:14px 0 4px;position:relative}
.hero-slider-photo .slide{display:none;min-height:auto;background:none}
.hero-slider-photo .slide.active{display:block}
.banner-frame img{display:block;width:100%;height:auto;border-radius:28px;border:1px solid var(--line);box-shadow:0 26px 70px rgba(15,54,89,.12)}
.hero-slider-photo .slider-dots{position:static;transform:none;justify-content:center;margin:16px auto 0}
.company-hero-card{display:grid;grid-template-columns:1fr 1.15fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 12px 32px rgba(20,45,70,.06);margin:22px 0 26px}
.company-photo img{display:block;width:100%;height:100%;max-height:430px;object-fit:cover;border-radius:22px;border:1px solid var(--line)}
.company-hero-card h2{margin:0 0 12px;font-size:clamp(24px,3vw,34px)}
.company-hero-card p{margin:0 0 12px}
@media(max-width:980px){.company-hero-card{grid-template-columns:1fr}.banner-frame img{border-radius:22px}}
@media(max-width:640px){.hero-slider-photo{padding-top:10px}.banner-frame img{border-radius:18px}.company-hero-card{padding:16px;border-radius:20px}.company-photo img{max-height:280px;border-radius:16px}}

/* V4.3 patch: mission page, cleaner company/contact, removed manufacturing/quality menu */
.mission-page{max-width:980px;background:#fff;border:1px solid var(--line);border-radius:26px;padding:32px;box-shadow:0 12px 32px rgba(20,45,70,.06)}
.mission-page h1{margin-top:0}
.mission-page p{font-size:17px;line-height:2;color:#1b2b3a;margin:0 0 18px}
.mission-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.company-meta + .info-box{margin-top:24px}
@media(max-width:640px){.mission-page{padding:20px;border-radius:20px}.mission-page p{font-size:15px;line-height:1.9}}