/* Original three-node connection motif and chapter-led narrative. */
.blue-orange .site-header{margin:0 5%;height:90px;background:white;border-color:#d9e2e7}
.blue-orange .site-header .header-cta{border:0;background:#153d59;color:white;border-radius:2px}
.blue-orange .b3-kicker{font-size:11px;font-weight:700;letter-spacing:.15em;line-height:1.65;color:#536c7b}
.blue-orange .b3-hero{padding:54px 7% 0;text-align:center;background:linear-gradient(180deg,#fff 50%,#f5f8fa);overflow:hidden}
.blue-orange .b3-title{max-width:850px;margin:25px auto 22px;font-size:clamp(48px,5.7vw,83px);line-height:1.07;letter-spacing:-.055em;font-weight:400;text-wrap:balance}
.blue-orange .b3-intro{max-width:570px;margin:auto;font-size:17px;line-height:1.7;color:#4b6372;text-wrap:balance}
.blue-orange .b3-art{max-width:1000px;margin:8px auto 0}
.blue-orange .b3-art img{width:100%;height:auto;display:block}
.blue-orange .b3-chapter-nav{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #bfcdd6;text-align:left;max-width:1200px;margin:auto}
.blue-orange .b3-chapter-nav a{display:flex;align-items:center;gap:18px;padding:24px 22px;font-size:14px;border-right:1px solid #d6e0e6;min-height:65px}
.blue-orange .b3-chapter-nav a:last-child{border-right:0}
.blue-orange .b3-chapter-nav a span{color:#a34b13;font-size:11px}
.blue-orange .b3-chapter-nav a b{font-weight:400;font-size:20px;margin-left:auto}
.blue-orange .b3-chapter-nav a:hover{background:#eaf0f4}
.blue-orange .b3-chapter{display:grid;grid-template-columns:24% minmax(0,1fr);gap:5%;padding:100px 8%;scroll-margin-top:25px}
.blue-orange .b3-chapter-marker{position:relative;border-top:1px solid #d1dde5;padding-top:18px}
.blue-orange .b3-chapter-marker>span{font-size:52px;font-weight:400;line-height:1;color:#a34b13;letter-spacing:-.06em}
.blue-orange .b3-chapter-marker>p{font-size:10px;letter-spacing:.13em;margin-top:18px;color:#4f6574;font-weight:700}
.blue-orange .b3-chapter-body{min-width:0}
.blue-orange .b3-chapter-body>h2{font-size:clamp(36px,4vw,60px);font-weight:400;line-height:1.13;letter-spacing:-.045em;max-width:740px;text-wrap:balance}
.blue-orange .b3-body-copy{font-size:17px;line-height:1.85;max-width:620px;margin:27px 0 36px}
.blue-orange .b3-search{margin-top:30px}
.blue-orange .b3-search label{font-size:12px;font-weight:700;display:block;margin-bottom:12px;color:#4f6574}
.blue-orange .b3-search>div{display:flex;background:#f1f5f7;border:1px solid #9aadb9;border-bottom:2px solid #173f5b}
.blue-orange .b3-search input{min-width:0;width:100%;padding:21px 20px;border:0;background:transparent;font-size:16px;color:#153d59;border-radius:0}
.blue-orange .b3-search button{flex-shrink:0;min-height:60px;border:0;padding:16px 24px;background:#153d59;color:#fff;font-size:14px}
.blue-orange .b3-search button span{margin-left:20px;font-size:20px}
.blue-orange .b3-search input:focus-visible{outline-offset:-5px}
.blue-orange .b3-search button:focus-visible{outline-offset:4px}
.blue-orange .b3-selected{margin-top:38px}
.blue-orange .b3-selected>.b3-kicker{margin-bottom:16px;font-size:10px}
.blue-orange .b3-selected>a{display:grid;grid-template-columns:minmax(0,1fr) 125px 22px;align-items:center;gap:20px;padding:18px 0;border-top:1px solid #d8e1e6;font-size:14px;line-height:1.5}
.blue-orange .b3-selected>a>span:first-child{overflow-wrap:anywhere}
.blue-orange .b3-cas{font-size:12px;color:#536b7b}
.blue-orange .b3-selected>a>b{font-size:20px;font-weight:400;text-align:right}
.blue-orange .b3-selected>a:hover>span:first-child{text-decoration:underline;text-underline-offset:4px}
.blue-orange .b3-chapter-soft{background:#f5f8fa}
.blue-orange .b3-family-list{margin:40px 0 24px}
.blue-orange .b3-family-list>a{display:grid;grid-template-columns:26px minmax(0,1fr) 32px;gap:22px;padding:30px 0;border-top:1px solid #c2d0d9;align-items:start}
.blue-orange .b3-family-list>a:last-child{border-bottom:1px solid #c2d0d9}
.blue-orange .b3-family-number{font-size:11px;color:#a34b13;padding-top:6px}
.blue-orange .b3-family-list h3{font-size:clamp(25px,2.8vw,40px);font-weight:400;line-height:1.17;letter-spacing:-.04em;max-width:600px}
.blue-orange .b3-family-list p{font-size:14px;line-height:1.7;margin-top:14px}
.blue-orange .b3-family-list b{font-weight:400;font-size:30px}
.blue-orange .b3-family-list a:hover h3{color:#a34b13}
.blue-orange .b3-link{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;min-height:44px;border-bottom:1px solid currentColor;font-size:14px}
.blue-orange .b3-link span{font-size:21px}
.blue-orange .b3-partnership-copy{margin-top:28px;max-width:650px}
.blue-orange .b3-partnership-copy>p{font-size:17px;line-height:1.85;margin-bottom:20px}
.blue-orange .b3-company-note{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center;margin:55px 0 45px}
.blue-orange .b3-since{font-size:10px;color:#657985;letter-spacing:.2em}
.blue-orange .b3-year{font-size:clamp(65px,8.7vw,135px);color:#153d59;line-height:1.15;letter-spacing:-.07em}
.blue-orange .b3-location{font-size:12px;line-height:1.7;margin-top:10px;max-width:220px}
.blue-orange .b3-company-image{width:100%;height:240px;object-fit:cover;filter:saturate(.55);border-radius:1px}
.blue-orange .b3-next{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-top:25px;border-top:1px solid #c7d5de}
.blue-orange .b3-next p{font-size:16px;color:#153d59}
.blue-orange .b3-next a{display:inline-flex;align-items:center;gap:30px;background:#f38b30;color:#17384e;font-weight:600;font-size:14px;padding:15px 22px;min-height:50px}
.blue-orange .b3-next a span{font-size:22px}
.blue-orange .b3-about-intro{padding:65px 8% 75px;background:#f5f8fa}
.blue-orange .b3-about-intro h1{max-width:1000px;font-size:clamp(44px,5.7vw,82px);line-height:1.09;margin:28px 0;letter-spacing:-.05em;text-wrap:balance}
.blue-orange .b3-about-intro>p:last-child{font-size:16px}
.blue-orange .b3-origin{display:flex;gap:24px;flex-wrap:wrap;padding:22px 0;border-top:1px solid #c7d5de;font-size:11px;letter-spacing:.1em;color:#a34b13}
.blue-orange footer{background:#12364f;color:#fff}
.blue-orange .footer-top .eyebrow{color:#c4d5e1}
.blue-orange .round-link{background:#f38b30;color:#153d59;border:0;border-radius:2px}
.blue-orange .footer-bottom{border-color:#ffffff33}
.blue-orange .footer-bottom :is(button,small){color:#d1dde6}
/* Compact editorial headings and specification cards distinguish inner pages. */
.blue-orange .page-intro{background:#fff;border-bottom:1px solid #d4dfe5;padding:60px 7%;position:relative}
.blue-orange .page-intro .eyebrow{color:#a34b13}
.blue-orange .page-intro h1{font-size:clamp(42px,4.5vw,68px);max-width:850px;line-height:1.12}
.blue-orange .page-intro>p:last-child{color:#536b7b}
.blue-orange .directory{background:#f5f8fa}
.blue-orange .directory-controls{padding:25px;background:#fff;border-top:2px solid #173f5b}
.blue-orange .product-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.blue-orange .product-row{display:grid;grid-template-columns:minmax(0,1fr) 44px;grid-template-rows:auto 1fr auto;gap:12px 15px;align-items:start;min-height:205px;padding:26px;border:1px solid #cfdae1;background:#fff}
.blue-orange .product-row[hidden]{display:none}
.blue-orange .product-row:hover{background:#fff;border-color:#123f61}
.blue-orange .product-row .product-kind{grid-column:1;grid-row:1;color:#98400a;font-size:11px;font-weight:700}
.blue-orange .product-row>a:not(.product-arrow){grid-column:1;grid-row:2}
.blue-orange .product-row h2{font-size:22px;line-height:1.25;margin-bottom:10px}
.blue-orange .product-row small{font-size:12px;line-height:1.6}
.blue-orange .product-row .cas{grid-column:1/-1;grid-row:3;padding-top:16px;border-top:1px solid #e0e6ea;font-size:13px}
.blue-orange .product-row .product-arrow{grid-column:2;grid-row:1/3;border:1px solid #d1dce3;min-height:44px}
.blue-orange .detail-breadcrumb{background:#f4f7f9;color:#153d59}
.blue-orange .product-detail{gap:65px;background:#fff;grid-template-columns:1.1fr 1fr}
.blue-orange .structure{border:1px solid #d5dfe5;border-top:3px solid #f38b30;padding:45px;background:#f9fbfc}
.blue-orange .structure img{height:350px;background:#fff;padding:18px}
.blue-orange .product-detail h1{font-size:clamp(28px,3.5vw,52px);line-height:1.13}
.blue-orange .product-detail dl{padding:25px;background:#f3f6f8;border:0;line-height:1.7}
.blue-orange .contact-layout .lc-inquiry{background:#f3f6f8;padding:30px;border-top:2px solid #173f5b}
@media(max-width:1000px){
 .blue-orange .b3-chapter{grid-template-columns:18% minmax(0,1fr);gap:6%;padding:75px 6%}
 .blue-orange .b3-title{max-width:720px}
 .blue-orange .b3-chapter-nav a{padding:21px 14px;gap:12px;font-size:13px}
 .blue-orange .b3-company-note{gap:24px}
 .blue-orange .b3-company-image{height:210px}
 .blue-orange .b3-next{align-items:start;flex-direction:column}
 .blue-orange .product-detail{gap:30px}
 .blue-orange .structure{padding:24px}
 .blue-orange .structure img{height:280px}
}
@media(max-width:700px){
 .blue-orange .site-header{margin:0 6%;height:78px}
 .blue-orange .b3-hero{padding:37px 6% 0}
 .blue-orange .b3-hero>.b3-kicker{font-size:9px;letter-spacing:.1em}
 .blue-orange .b3-title{font-size:clamp(41px,10.8vw,60px);line-height:1.09;margin:23px auto 20px}
 .blue-orange .b3-intro{font-size:15px;line-height:1.75}
 .blue-orange .b3-art{width:132%;max-width:none;margin:8px -16% 0}
 .blue-orange .b3-chapter-nav{grid-template-columns:1fr;text-align:left}
 .blue-orange .b3-chapter-nav a{padding:15px 2px;border-right:0;border-bottom:1px solid #d6e0e6;min-height:52px;gap:18px;font-size:14px}
 .blue-orange .b3-chapter-nav a:last-child{border-bottom:0}
 .blue-orange .b3-chapter{display:block;padding:55px 6%}
 .blue-orange .b3-chapter-marker{display:flex;align-items:center;gap:17px;padding-top:15px;margin-bottom:30px}
 .blue-orange .b3-chapter-marker>span{font-size:36px}
 .blue-orange .b3-chapter-marker>p{margin:0;font-size:10px}
 .blue-orange .b3-chapter-body>h2{font-size:35px;line-height:1.16}
 .blue-orange .b3-body-copy,.blue-orange .b3-partnership-copy>p{font-size:15px;line-height:1.8}
 .blue-orange .b3-search input{padding:17px 12px}
 .blue-orange .b3-search button{padding:14px 16px;min-height:55px}
 .blue-orange .b3-search button span{display:none}
 .blue-orange .b3-selected>a{grid-template-columns:minmax(0,1fr) 22px;gap:6px 14px;font-size:14px}
 .blue-orange .b3-cas{grid-column:1;grid-row:2;font-size:11px}
 .blue-orange .b3-selected>a>b{grid-column:2;grid-row:1/3}
 .blue-orange .b3-family-list>a{grid-template-columns:20px minmax(0,1fr) 25px;gap:13px;padding:25px 0}
 .blue-orange .b3-family-list h3{font-size:26px}
 .blue-orange .b3-family-list p{font-size:13px}
 .blue-orange .b3-family-list b{font-size:25px}
 .blue-orange .b3-company-note{grid-template-columns:1fr 1fr;gap:20px;margin:38px 0}
 .blue-orange .b3-year{font-size:clamp(54px,16vw,90px)}
 .blue-orange .b3-company-image{height:180px}
 .blue-orange .b3-location{font-size:11px}
 .blue-orange .b3-next{gap:18px}
 .blue-orange .b3-about-intro{padding:40px 6%}
 .blue-orange .b3-about-intro h1{font-size:43px}
 .blue-orange .b3-about-intro>p:last-child{font-size:14px}
 .blue-orange .page-intro{padding:40px 6%}
 .blue-orange .page-intro h1{font-size:40px}
 .blue-orange .directory-controls{padding:18px;gap:12px}
 .blue-orange .directory-controls>label{min-width:0}
 .blue-orange .product-list{grid-template-columns:1fr;gap:15px}
 .blue-orange .product-row{min-height:185px;padding:22px}
 .blue-orange .product-row h2{font-size:21px}
 .blue-orange .product-detail{grid-template-columns:1fr}
 .blue-orange .structure img{height:230px}
 .blue-orange .product-detail h1{font-size:32px}
 .blue-orange .product-detail dl{padding:20px;grid-template-columns:90px minmax(0,1fr)}
 .blue-orange .contact-layout .lc-inquiry{padding:20px}
}