/* Google Fonts removed: offline build uses system fonts */
    :root{
      color-scheme:light dark;
      --bg:#f4f2ed;--paper:#fffdfa;--ink:#171717;--muted:#5d5d59;--line:#c8c5bc;
      --accent:#f15a24;--accent-ink:#fff;--dark:#171717;--dark-ink:#f8f6f0;
      --soft:#e9e6de;--shadow:rgba(18,18,18,.12);
    }
    @media(prefers-color-scheme:dark){
      :root{--bg:#121211;--paper:#1b1b19;--ink:#f2f0ea;--muted:#b7b3a9;--line:#494842;--accent:#ff6a2d;--accent-ink:#111;--dark:#f0eee7;--dark-ink:#171717;--soft:#262623;--shadow:rgba(0,0,0,.3)}
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;line-height:1.65;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    .wrap{width:min(1180px,calc(100% - 48px));margin:auto}
    .nav{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
    .mark{display:flex;align-items:center;height:62px}
    .mark img{display:block;width:auto;height:54px}
    .links{display:flex;gap:28px;font-size:14px;font-weight:600}
    .links a{position:relative}
    .links a:after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--accent);transition:right .2s}
    .links a:hover:after,.links a:focus-visible:after{right:0}
    .hero{padding:64px 0 72px}
    .hero-top{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:end;margin-bottom:38px}
    .eyebrow{display:flex;gap:12px;align-items:center;font-size:13px;font-weight:700;color:var(--accent);margin-bottom:20px}
    .eyebrow:before{content:"";width:42px;height:3px;background:var(--accent)}
    h1{font-size:clamp(48px,7vw,92px);line-height:.98;letter-spacing:-.065em;margin:0;font-weight:900;max-width:760px}
    h1 span{display:block;color:var(--accent);font-family:"Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;letter-spacing:-.045em;font-size:.58em;margin-top:16px}
    .hero-copy{padding-bottom:6px}
    .hero-copy p{font-size:18px;margin:0 0 28px;color:var(--muted);max-width:460px}
    .cta{display:inline-flex;align-items:center;gap:26px;background:var(--accent);color:var(--accent-ink);padding:14px 18px 14px 22px;font-weight:700;border:0}
    .cta b{font-size:22px;line-height:1;transition:transform .2s}.cta:hover b{transform:translateX(4px)}
    .hero-visual{position:relative;height:min(54vw,600px);min-height:410px;overflow:hidden;background:#191919;box-shadow:0 18px 45px var(--shadow)}
    .hero-visual img{width:100%;height:100%;object-fit:cover;display:block}
    .hero-stamp{position:absolute;right:0;bottom:0;background:var(--accent);color:#fff;width:180px;padding:22px 24px;font-family:"Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-weight:700;font-size:15px;line-height:1.25;letter-spacing:.04em}
    .hero-stamp small{display:block;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-weight:500;margin-top:7px;opacity:.88;letter-spacing:0}
    .section{padding:96px 0;border-top:1px solid var(--line)}
    .section-head{display:grid;grid-template-columns:190px 1fr;gap:44px;margin-bottom:58px;align-items:start}
    .about-grid{display:grid;grid-template-columns:190px minmax(0,1fr);gap:44px;align-items:start}
    .about-copy{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:64px;align-items:start}
    .about-copy p{margin:0;font-size:clamp(18px,2.15vw,25px);line-height:1.8;letter-spacing:-.012em}
    .about-aside{border-top:4px solid var(--accent);padding-top:20px}
    .about-aside strong{display:block;font-family:"Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-size:62px;line-height:1;color:var(--accent);letter-spacing:-.04em}
    .about-aside span{display:block;margin-top:8px;font-size:14px;color:var(--muted)}
    .about-motto{margin-top:34px;padding-top:24px;border-top:1px solid var(--line);font-size:18px;font-weight:700;line-height:1.6}
    .num{font-family:"Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-size:13px;color:var(--muted);display:flex;gap:10px;align-items:center}.num:after{content:"";width:50px;height:1px;background:var(--line)}
    h2{font-size:clamp(34px,5vw,60px);line-height:1.05;letter-spacing:-.045em;margin:0;font-weight:800}
    .services{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
    .service{padding:32px 30px 36px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:58px 1fr;gap:20px;min-height:190px}
    .service:nth-child(odd){border-right:1px solid var(--line)}
    .service:nth-child(even){padding-left:34px}
    .service svg{width:45px;height:45px;stroke:var(--accent);fill:none;stroke-width:1.7}
    .service h3{font-size:22px;margin:0 0 10px;line-height:1.25}
    .service p{margin:0;color:var(--muted);font-size:15px;max-width:390px}
    .cases-intro{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}
    .cases-intro p{margin:0;color:var(--muted);max-width:540px}
    .cases-more{display:inline-flex;align-items:center;gap:18px;color:var(--accent);font-weight:700;border-bottom:1px solid currentColor;padding-bottom:4px;white-space:nowrap}
    .cases{display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:250px 250px;gap:14px}
    .case{background:var(--soft);position:relative;overflow:hidden;border:1px solid var(--line);min-width:0}
    .case:first-child{grid-row:1/3}
    .case-open{border:0;padding:0;width:100%;height:100%;display:block;position:relative;background:transparent;color:inherit;text-align:left;cursor:pointer;overflow:hidden}
    .case-open img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .45s ease}
    .case-open:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.28),transparent 45%);pointer-events:none}
    .case-open:hover img,.case-open:focus-visible img{transform:scale(1.025)}
    .case-open:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}
    .case-label{position:absolute;z-index:2;left:24px;bottom:22px;background:var(--paper);padding:12px 15px;border-left:5px solid var(--accent);max-width:calc(100% - 48px)}
    .case-label b{display:block;font-size:16px}.case-label span{font-size:12px;color:var(--muted)}
    .case-index{position:absolute;z-index:2;right:18px;top:12px;font-family:"Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;color:#fff;font-weight:700;text-shadow:0 1px 6px rgba(0,0,0,.65)}
    body.portfolio-mode > header,body.portfolio-mode > main,body.portfolio-mode > footer{display:none}
    .portfolio-page{min-height:100vh;background:var(--bg)}
    .portfolio-nav{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
    .portfolio-back{font-weight:700;color:var(--accent)}
    .portfolio-heading{padding:64px 0 44px;display:grid;grid-template-columns:190px 1fr;gap:44px}
    .portfolio-heading p{color:var(--muted);max-width:700px;margin:20px 0 0}
    .portfolio-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 16px;padding-bottom:86px}
    .portfolio-card{border:0;padding:0;background:transparent;color:inherit;text-align:left;cursor:pointer;min-width:0}
    .portfolio-card .thumb{height:230px;overflow:hidden;background:var(--soft);border:1px solid var(--line)}
    .portfolio-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
    .portfolio-card:hover img,.portfolio-card:focus-visible img{transform:scale(1.025)}
    .portfolio-card:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
    .portfolio-card h3{font-size:18px;line-height:1.35;margin:14px 0 4px}
    .portfolio-card p{margin:0;color:var(--muted);font-size:13px}
    .portfolio-count{font-family:"Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;color:var(--accent);font-weight:700;margin-bottom:5px}
    .gallery-dialog{width:min(1080px,calc(100% - 36px));max-height:calc(100vh - 36px);border:1px solid var(--line);padding:0;background:var(--paper);color:var(--ink);box-shadow:0 24px 80px rgba(0,0,0,.34)}
    .gallery-dialog::backdrop{background:rgba(0,0,0,.74)}
    .gallery-head{position:sticky;top:0;z-index:3;background:var(--paper);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 22px}
    .gallery-head h3{margin:0;font-size:20px;line-height:1.3}.gallery-head p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .gallery-close{border:1px solid var(--line);background:transparent;color:var(--ink);width:42px;height:42px;font-size:25px;line-height:1;cursor:pointer;flex:0 0 auto}
    .gallery-images{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:10px}
    .gallery-images figure{margin:0;background:var(--soft);min-height:260px;display:grid;place-items:center;overflow:hidden}
    .gallery-images img{display:block;width:100%;height:100%;max-height:620px;object-fit:contain}
    .gallery-video{padding:10px 10px 0}
    .gallery-video h4{margin:2px 2px 8px;font-size:15px;font-weight:600;color:var(--muted)}
    .gallery-video video{display:block;width:100%;max-height:62vh;background:#000}
    .process{background:var(--dark);color:var(--dark-ink)}
    .process .section-head,.process.section{border-color:color-mix(in srgb,var(--dark-ink) 20%,transparent)}
    .process .num{color:color-mix(in srgb,var(--dark-ink) 60%,transparent)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr)}
    .step{padding:25px 26px 28px 0;border-top:1px solid color-mix(in srgb,var(--dark-ink) 25%,transparent);border-right:1px solid color-mix(in srgb,var(--dark-ink) 25%,transparent);min-height:190px}
    .step:not(:first-child){padding-left:26px}
    .step:last-child{border-right:0}
    .step strong{font-family:"Arial Narrow","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-size:38px;color:var(--accent)}
    .step h3{margin:22px 0 7px;font-size:18px}.step p{margin:0;font-size:14px;opacity:.68}
    .contact{display:grid;grid-template-columns:1fr 300px;gap:78px;align-items:center}
    .contact h2{margin-bottom:28px}
    .contact-note{font-size:18px;color:var(--muted);max-width:650px;margin-bottom:34px}
    .contact-lines{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .contact-line{border-top:1px solid var(--line);padding:15px 0;color:var(--muted);font-size:14px}.contact-line b{display:block;color:var(--ink);font-size:16px}
    .qr{background:var(--paper);border:1px solid var(--line);text-align:center;padding:18px;position:relative}
    .qr:before,.qr:after{content:"";position:absolute;width:28px;height:28px;border-color:var(--accent);border-style:solid;pointer-events:none}.qr:before{left:10px;top:10px;border-width:3px 0 0 3px}.qr:after{right:10px;bottom:10px;border-width:0 3px 3px 0}
    .qr img{width:100%;height:auto;display:block}.qr b{display:block;margin-top:12px}
    footer{padding:28px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:20px}
    .lang-toggle{border:1px solid var(--line);background:transparent;color:inherit;font-size:13px;font-weight:700;padding:7px 14px;cursor:pointer;border-radius:999px;letter-spacing:.08em}
    .lang-toggle:hover{border-color:var(--accent);color:var(--accent)}
    .to-top{position:fixed;right:22px;bottom:22px;z-index:60;width:48px;height:48px;border-radius:50%;border:0;background:var(--accent);color:#fff;font-size:22px;line-height:1;cursor:pointer;box-shadow:0 10px 26px var(--shadow);opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s,transform .25s}
    .to-top.show{opacity:1;pointer-events:auto;transform:none}
    @media(max-width:760px){
      .wrap{width:min(100% - 30px,1180px)}.nav{height:64px}.mark{height:56px}.mark img{height:48px}.links a:not(:last-child){display:none}.links{gap:0}.hero{padding:42px 0 52px}.hero-top{grid-template-columns:1fr;gap:28px;margin-bottom:28px}h1{font-size:50px}.hero-copy p{font-size:16px}.hero-visual{height:450px;min-height:0}.hero-visual img{object-position:46% center}.hero-stamp{width:160px;padding:18px}.section{padding:68px 0}.section-head,.about-grid{grid-template-columns:1fr;gap:15px}.section-head{margin-bottom:38px}.about-copy{grid-template-columns:1fr;gap:36px}.about-copy p{font-size:18px}.about-aside{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:end}.about-aside strong{font-size:52px}.about-aside span{margin:0 0 4px}.about-motto{grid-column:1/-1;margin-top:4px}.services{grid-template-columns:1fr}.service,.service:nth-child(even){border-right:0;padding:26px 0;grid-template-columns:50px 1fr;min-height:auto}.cases-intro{display:block}.cases-intro p{margin:12px 0 18px}.cases-more{white-space:normal}.cases{grid-template-columns:1fr;grid-template-rows:330px 210px 210px}.case:first-child{grid-row:auto}.case-label{left:16px;bottom:15px;max-width:calc(100% - 32px)}.portfolio-nav{height:64px}.portfolio-heading{padding:42px 0 32px;grid-template-columns:1fr;gap:12px}.portfolio-grid{grid-template-columns:1fr;gap:28px;padding-bottom:60px}.portfolio-card .thumb{height:250px}.gallery-dialog{width:calc(100% - 18px);max-height:calc(100vh - 18px)}.gallery-head{padding:14px}.gallery-head h3{font-size:17px}.gallery-images{grid-template-columns:1fr;padding:8px;gap:8px}.gallery-images figure{min-height:180px}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step{min-height:175px}.contact{grid-template-columns:1fr;gap:38px}.contact-lines{grid-template-columns:1fr}.qr{width:min(300px,100%);margin:auto}footer{flex-direction:column}
    }
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.links a:after,.cta b,.case-open img,.portfolio-card img{transition:none}}