.railway-detail-page { --rc-blue:var(--color-primary); --rc-cyan:var(--color-primary); --rc-ink:#0a1d3b; --rc-line:#dbe7f3; color:var(--rc-ink); background:#fff; }
.rc-container { width:min(1440px,calc(100% - 128px)); margin-inline:auto; }
.rc-section { padding:132px 0; scroll-margin-top:172px; }
.rc-kicker { margin:0 0 24px; color:var(--rc-blue); font-size:14px; font-weight:800; letter-spacing:.09em; }
.rc-section h2,.rc-projects h2,.rc-contact h2 { margin:0; font-size:clamp(34px,3.5vw,52px); line-height:1.35; letter-spacing:-.045em; word-break:keep-all; }
.rc-product-hero .company-hero__inner { padding-top:145px; }
.railway-detail-page .rc-product-hero { background-image:url('../images/business-hero-railway.png'); background-repeat:no-repeat; background-position:center; background-size:cover; }
.railway-detail-page .rc-product-hero::after { background:linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.86) 43%,rgba(255,255,255,.08) 72%); }
.railway-detail-page .rc-product-hero .company-hero__visual { display:none; }
.rc-product-hero h1 { max-width:850px; }
.company-local-nav.railway-local-nav { position:sticky; top:86px; z-index:25; height:76px; padding:0; border-block:1px solid #dfe8f2; border-radius:0; background:rgba(255,255,255,.96); box-shadow:none; }
.company-local-nav.railway-local-nav .company-container { display:flex; align-items:stretch; justify-content:flex-start; width:min(1440px,calc(100% - 128px)); height:100%; overflow-x:auto; overflow-y:hidden; scrollbar-width:none; }
.company-local-nav.railway-local-nav .company-container::-webkit-scrollbar { display:none; }
.company-local-nav.railway-local-nav a { position:relative; display:grid; place-items:center; flex:0 0 auto; min-width:190px; height:100%; margin:0; padding:0 26px; border-radius:0; background:transparent; box-shadow:none; color:#607087; font-size:15px; font-weight:600; }
.company-local-nav.railway-local-nav a::after { content:""; display:block; position:absolute; right:28px; bottom:-1px; left:28px; height:3px; background:var(--company-cyan); transform:scaleX(0); transition:transform .25s ease; }
.company-local-nav.railway-local-nav a:hover,.company-local-nav.railway-local-nav a.is-active { background:transparent; color:var(--color-primary); box-shadow:none; }
.company-local-nav.railway-local-nav a:hover::after,.company-local-nav.railway-local-nav a.is-active::after { transform:scaleX(1); }
.rc-overview { padding-top:90px; }
.rc-scope { display:grid; grid-template-columns:minmax(0,30%) minmax(0,70%); gap:60px; align-items:start; margin-top:0; padding-top:0; scroll-margin-top:170px; }
.rc-scope__intro { position:sticky; top:180px; padding:18px 20px 0 0; }
.rc-scope__intro h2 { font-size:clamp(32px,3vw,44px); line-height:1.35; }
.rc-scope__intro>p:last-child { max-width:410px; margin:28px 0 0; color:#60748b; font-size:16px; line-height:1.85; word-break:keep-all; }
.rc-control-list { display:flex; height:570px; flex-direction:column; overflow:hidden; border-top:1px solid #cad8e7; }
.rc-control-item { position:relative; flex:0 0 150px; overflow:hidden; border-bottom:1px solid #cad8e7; transition:flex-basis .34s cubic-bezier(.22,1,.36,1),background-color .28s; }
.rc-control-item::before { content:""; position:absolute; top:0; bottom:0; left:0; width:3px; background:var(--rc-blue); opacity:0; transition:opacity .28s; }
.rc-control-item.is-active { flex-basis:270px; background:linear-gradient(100deg,rgba(21,124,255,.10),rgba(21,124,255,.025)); box-shadow:inset 0 1px rgba(21,124,255,.16),inset 0 -1px rgba(21,124,255,.16); }
.rc-control-item.is-active::before { opacity:1; }
.rc-control-item button { position:relative; z-index:2; display:grid; grid-template-columns:62px 1fr; align-items:start; width:100%; min-height:142px; padding:24px 30px 14px; border:0; background:transparent; color:#172f51; text-align:left; cursor:pointer; }
.rc-control-item button span { color:#8496aa; font-size:21px; font-weight:800; transition:color .28s; }
.rc-control-item button strong { font-size:25px; letter-spacing:-.025em; transition:color .28s; }
.rc-control-item button small { grid-column:2; margin-top:12px; overflow:hidden; color:#667a91; font-size:15px; line-height:1.7; font-weight:500; text-overflow:ellipsis; white-space:nowrap; }
.rc-control-item.is-active button span,.rc-control-item.is-active button strong { color:var(--rc-blue); }
.rc-control-item__panel { position:relative; z-index:2; max-width:720px; padding:0 34px 20px 92px; opacity:0; transform:translateY(6px); transition:opacity .25s .06s,transform .28s .06s; }
.rc-control-item.is-active .rc-control-item__panel { opacity:1; transform:none; }
.rc-control-item__panel ul { display:grid; gap:10px; margin:0; padding:0; list-style:none; }
.rc-control-item__panel li { position:relative; padding-left:15px; color:#334e6d; font-size:15px; }
.rc-control-item__panel li::before { content:""; position:absolute; top:.58em; left:0; width:5px; height:5px; background:var(--color-primary); }
.rc-control-item__pattern { position:absolute; right:8px; bottom:0; width:42%; height:75%; fill:none; stroke:var(--color-primary); stroke-width:1.5; opacity:0; pointer-events:none; transition:opacity .28s; }
.rc-control-item.is-active .rc-control-item__pattern { opacity:.09; }
.rc-scope__detail { min-height:370px; padding:48px; border:1px solid #dce8f5; background:linear-gradient(145deg,#fff,#f5faff); }
.rc-scope__detail h3,.rc-viewer__copy h3 { margin:0; font-size:32px; letter-spacing:-.035em; }
.rc-scope__detail > p:not(.rc-kicker),.rc-viewer__copy > p { margin:20px 0 30px; color:#5d6f87; line-height:1.85; word-break:keep-all; }
.rc-scope__detail ul,.rc-viewer__copy ul { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin:0; padding:0; list-style:none; }
.rc-scope__detail li,.rc-viewer__copy li { padding:12px 8px; border:1px solid #d8e8f8; color:#345273; background:#fff; font-size:15px; text-align:center; }
.rc-systems { background:#f4f8fc; }
.rc-viewer { display:grid; grid-template-columns:minmax(360px,35%) minmax(0,65%); gap:32px; margin-top:50px; }
.rc-viewer__tabs { display:flex; height:520px; flex-direction:column; overflow:hidden; background:#fff; }
.rc-system-item { position:relative; flex:0 0 78px; overflow:hidden; border-bottom:1px solid #dce6f0; transition:flex-basis .3s ease,background-color .25s; }
.rc-system-item::before { content:""; position:absolute; top:0; bottom:0; left:0; width:3px; background:var(--rc-blue); opacity:0; transition:opacity .25s; }
.rc-system-item.is-active { flex-basis:286px; background:rgba(21,124,255,.08); box-shadow:inset 0 1px rgba(21,124,255,.14),inset 0 -1px rgba(21,124,255,.14); }
.rc-system-item.is-active::before { opacity:1; }
.rc-system-item button { display:flex; align-items:center; gap:22px; width:100%; min-height:78px; padding:20px 28px; border:0; background:transparent; color:#435a75; font:inherit; text-align:left; cursor:pointer; }
.rc-system-item button span { color:#8090a3; font-size:17px; font-weight:700; transition:color .25s; }
.rc-system-item button strong { font-size:20px; font-weight:700; transition:color .25s; }
.rc-system-item.is-active button span,.rc-system-item.is-active button strong { color:var(--rc-blue); }
.rc-system-item__detail { padding:0 28px 24px 68px; opacity:0; transition:opacity .22s .08s; }
.rc-system-item.is-active .rc-system-item__detail { opacity:1; }
.rc-system-item__detail p { margin:0 0 18px; color:#586d86; font-size:16px; line-height:1.75; word-break:keep-all; }
.rc-system-item__detail ul { display:flex; flex-wrap:wrap; gap:7px; margin:0; padding:0; list-style:none; }
.rc-system-item__detail li { padding:7px 10px; border:1px solid #d7e5f3; background:rgba(255,255,255,.8); color:#45617f; font-size:13px; }
.rc-viewer__panel { height:520px; overflow:hidden; border:1px solid #263f5d; background:#0b1d33; box-shadow:inset 0 0 0 7px #132b47; }
.rc-viewer__image { display:grid; place-items:center; width:100%; height:100%; padding:24px; overflow:hidden; background:linear-gradient(145deg,#0a192b,#142e49); }
.rc-viewer__image img { display:block; width:100%; height:100%; object-fit:contain; transition:opacity .3s ease; }
.rc-viewer__panel.is-changing img { opacity:0; }
.rc-capabilities { overflow:hidden; }
.rc-progress { position:relative; height:4px; margin-top:58px; background:#d7e0ea; }.rc-progress i { display:block; width:0; height:100%; background:linear-gradient(90deg,var(--rc-blue),var(--rc-cyan)); transition:width 1s cubic-bezier(.22,1,.36,1); }
.rc-capabilities.is-visible .rc-progress i { width:100%; }
.rc-capabilities__grid { display:grid; grid-template-columns:repeat(3,1fr); }
.rc-capabilities article { padding:34px 44px 10px 0; opacity:.45; transition:opacity .4s; }.rc-capabilities article+article { padding-left:44px; border-left:1px solid var(--rc-line); }
.rc-capabilities article span { color:var(--rc-blue); font-size:15px; font-weight:800; }.rc-capabilities article h3 { margin:15px 0; font-size:25px; }.rc-capabilities article p { margin:0; color:#64758b; font-size:16px; line-height:1.75; }
.rc-capabilities.is-visible article { opacity:1; }.rc-capabilities.is-visible article:nth-child(2){transition-delay:.25s}.rc-capabilities.is-visible article:nth-child(3){transition-delay:.5s}
.rc-projects { position:relative; overflow:clip; isolation:isolate; background:#061733; color:#fff; scroll-margin-top:150px; }
.rc-projects__decor { display:none; }
.rc-projects__inner { display:grid; grid-template-columns:.7fr 1.3fr; gap:100px; align-items:start; padding:120px 0; }
.rc-projects__heading { position:sticky; top:190px; }.rc-projects__heading > p:last-child { max-width:390px; margin:28px 0 0; color:#9eafc7; line-height:1.8; }
.rc-projects__list { margin:0; padding:0; list-style:none; }
.rc-projects__list li { display:grid; grid-template-columns:64px 1fr; align-items:center; min-height:118px; border-bottom:1px solid #28405f; color:#71839d; transition:color .25s,border-color .25s; }
.rc-projects__list span { color:#697b96; font-size:27px; transition:color .25s; }.rc-projects__list strong { font-size:23px; line-height:1.55; font-weight:600; }
.rc-projects__list li:hover,.rc-projects__list li.is-active { color:#fff; border-color:var(--color-primary); }.rc-projects__list li:hover span,.rc-projects__list li.is-active span { color:var(--rc-cyan); }
.rc-contact { position:relative; overflow:hidden; padding:80px 0; background:linear-gradient(110deg,#073b94,#0479e6,#09a8e3); color:#fff; }
.rc-contact::before { content:""; position:absolute; left:0; right:0; top:0; height:1px; background:var(--color-primary); box-shadow:20vw 35px 0 rgba(21,124,255,.33); }
.rc-contact .rc-container { display:flex; align-items:center; justify-content:space-between; gap:50px; }.rc-contact .rc-kicker { color:var(--color-primary); }.rc-contact h2 { font-size:38px; }.rc-contact p:last-child { margin:16px 0 0; color:#c9e4ff; font-size:17px; }
.rc-contact a { display:grid; place-items:center; min-width:220px; min-height:62px; border-radius:3px; background:#fff; color:var(--color-primary); font-weight:700; }
@media(max-width:900px){
 .rc-container{width:calc(100% - 40px)} .rc-section{padding:80px 0}.rc-anchor-nav{top:72px;height:72px;padding:12px 0}.rc-anchor-nav a{min-width:126px;margin:0 5px;padding:0 14px}.rc-main-hero{padding-top:44px}.rc-main-hero h1{font-size:44px}.rc-main-hero__copy{font-size:15px}.rc-main-hero__visual{width:100%;height:min(56vw,390px)}
 .rc-scope{grid-template-columns:1fr;gap:34px;margin-top:60px}.rc-scope__intro{position:static;padding:0}.rc-scope__intro>p:last-child{max-width:none}.rc-control-list{height:auto;overflow:visible}.rc-control-item{flex-basis:94px}.rc-control-item.is-active{flex-basis:auto}.rc-control-item button{grid-template-columns:48px 1fr;min-height:94px;padding:18px 8px}.rc-control-item button strong{font-size:21px}.rc-control-item button small{grid-column:2;margin-top:5px;font-size:13px}.rc-control-item__panel{padding:0 12px 26px 56px}.rc-control-item__panel p{font-size:15px}.rc-control-item__pattern{width:55%}.rc-scope__detail{min-height:0;padding:30px 24px}
 .rc-viewer{grid-template-columns:1fr}.rc-viewer__tabs{height:auto;overflow:visible}.rc-system-item{flex-basis:70px}.rc-system-item.is-active{flex-basis:auto}.rc-system-item button{min-height:70px;padding:16px 20px}.rc-system-item__detail{padding:0 20px 22px 62px}.rc-viewer__panel{height:min(62vw,440px);min-height:280px}.rc-viewer__image{height:100%;padding:16px}.rc-scope__detail ul{grid-template-columns:1fr}
 .rc-capabilities__grid{grid-template-columns:1fr}.rc-capabilities article,.rc-capabilities article+article{padding:30px 0;border-left:0;border-top:1px solid var(--rc-line)}
 .rc-projects__inner{grid-template-columns:1fr;gap:50px;padding:80px 0}.rc-projects__heading{position:static}.rc-projects__list li{min-height:100px}.rc-projects__list strong{font-size:20px}
 .rc-contact .rc-container{align-items:flex-start;flex-direction:column}.rc-contact a{width:100%}
 .rc-product-hero .company-hero__inner{padding-top:112px}.company-local-nav.railway-local-nav{top:72px;height:68px;padding:0}.company-local-nav.railway-local-nav .company-container{justify-content:flex-start;width:calc(100% - 40px)}.company-local-nav.railway-local-nav a{min-width:145px;height:100%;margin:0;padding:0 18px}
}
@media(max-width:520px){.rc-kicker{font-size:13px}.rc-anchor-nav a{font-size:14px}.rc-main-hero h1{font-size:36px}.rc-main-hero__copy br{display:none}.rc-main-hero__visual{height:58vw;border-radius:8px}.rc-overview{padding-top:55px}.rc-overview__quote{min-height:140px}.rc-overview__quote p{font-size:23px}.rc-overview__quote span,.rc-overview__quote b{font-size:70px}.rc-orbit__item{width:44%;padding:7%;font-size:13px}.rc-orbit__center{font-size:16px}.rc-overview__head br{display:none}.rc-scope-card h3{font-size:21px}.rc-scope-card p{font-size:15px}.rc-scope-card li{font-size:12px}.rc-scope__detail h3{font-size:27px}.rc-system-item button strong{font-size:17px}.rc-system-item button span{font-size:15px}.rc-system-item__detail{padding-left:20px}.rc-system-item__detail p{font-size:15px}.rc-viewer__panel{height:min(70vw,340px);min-height:240px}.rc-projects__list li{grid-template-columns:48px 1fr}.rc-contact h2{font-size:31px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.rc-anchor-nav a::after,.rc-orbit__item,.rc-viewer__image img,.rc-system-item,.rc-system-item__detail,.rc-progress i,.rc-capabilities article,.rc-projects__list li,.rc-scope__detail{transition:none!important}.rc-orbit__spark,.rc-orbit__center{animation:none!important}.rc-network-particle{display:none}}