header{border-bottom:1px solid var(--border)}.header{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:24px}.identity{display:flex;align-items:center;gap:12px;text-decoration:none}.identity img{width:52px;height:52px}.identity b{line-height:1.1;letter-spacing:-.02em;font-size:18px}.identity small{display:block;font-size:10px;letter-spacing:.12em;margin-top:4px}nav{display:flex;gap:28px;align-items:center}nav a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;text-decoration:none}nav a:hover{text-decoration:underline}.header-contact{font-size:14px}.hero{padding:60px 0 64px}.hero-topline{display:flex;justify-content:space-between;gap:24px;padding-bottom:36px}.hero-grid{display:grid;grid-template-columns:1fr 1.07fr;gap:64px;align-items:center}.hero h1{font-size:clamp(46px,5.3vw,76px);letter-spacing:-.045em;max-width:12ch;text-wrap:balance}.hero-copy>p{max-width:38ch;color:var(--muted);margin:28px 0}.hero-action{display:flex;align-items:center;flex-wrap:wrap;gap:24px}.hero-action button{padding:15px 24px}.hero-action a{min-height:44px;display:inline-flex;align-items:center;font-size:14px}.hero-image img{width:100%;height:auto}.hero-image figcaption{display:flex;justify-content:space-between;gap:16px;margin-top:16px;font-size:13px;color:var(--muted)}.hero-footer{margin-top:48px;display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--border);padding-top:24px;font-size:14px}.hero-footer span{display:flex;gap:16px}.hero-footer b{font-weight:500}.signal{width:8px;height:8px;display:inline-block;background:var(--accent-ui);border-radius:50%;margin-right:8px}.hall-switch{display:flex;gap:8px;margin-bottom:28px}.hall-switch button{flex:1;display:flex;justify-content:space-between;align-items:center;text-align:left}.hall-switch span{font-size:13px}.hall-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:64px;align-items:start}.photo-stage{background:var(--surface);display:flex;justify-content:center;align-items:center;min-height:300px}.photo-stage img{width:auto;height:auto;max-height:520px;max-width:100%}.photo-controls{display:flex;justify-content:space-between;gap:12px;margin-top:16px;align-items:center}.photo-controls div{display:flex;gap:8px}.photo-controls button{width:48px;padding:0}.hall-text h3{font-size:40px;margin-bottom:20px}.hall-text p{color:var(--muted)}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.inventory{padding:0;list-style:none;margin:0 0 24px}.inventory li{padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}.calc-layout{display:grid;grid-template-columns:1.45fr 1fr;gap:48px}.calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:24px}.calc-result{background:var(--fg);color:var(--bg);padding:32px;border-radius:var(--radius-lg);display:flex;flex-direction:column;justify-content:space-between;gap:24px}.calc-result h3{font:600 clamp(34px,4vw,60px)/1.15 var(--font-display)}.calc-result p{font-size:14px}.calc-result button{background:transparent;border-color:var(--bg);color:var(--bg)}.calc-result button:hover{background:var(--bg);color:var(--fg)}.source-note{font-size:13px;color:var(--muted);margin-top:24px;max-width:75ch}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.step{border-top:1px solid var(--fg);padding-top:24px}.step span{font:500 36px var(--font-display);color:var(--muted)}.step h3{font-size:24px;margin:20px 0 12px}.step p{color:var(--muted);font-size:15px}.faq{display:grid;grid-template-columns:1fr 1.4fr;gap:80px}.faq h2{font-size:48px}.footer{display:flex;justify-content:space-between;gap:32px;padding:40px 0}.footer a{display:inline-flex;align-items:center;min-height:44px}.footer small{display:block;color:var(--muted)}dialog{width:min(640px,calc(100% - 32px));max-height:90vh;border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;background:var(--bg);color:var(--fg);box-shadow:var(--shadow)}dialog::backdrop{background:oklch(0 0 0 / .65)}.dialog-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px}.dialog-top h2{font-size:30px}.dialog-top button{width:48px;padding:0}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.full{grid-column:1/-1}.error{font-size:14px;font-weight:600;color:var(--error)}.result-actions{display:flex;gap:24px;flex-wrap:wrap;align-items:center;margin-top:20px}.mobile-menu{display:none}.dark-hero-title{display:none}[data-theme=dark] .hero-grid{display:flex;flex-direction:column;gap:40px;align-items:stretch}[data-theme=dark] .hero-copy{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:end}[data-theme=dark] .hero-copy h1{font-size:clamp(52px,7.7vw,100px);line-height:1.01;letter-spacing:-.025em;max-width:15ch;text-transform:uppercase}[data-theme=dark] .hero-copy>p{margin:0;max-width:40ch}[data-theme=dark] .hero-action{grid-column:2;grid-row:2;align-self:start}[data-theme=dark] .hero-image{position:relative}[data-theme=dark] .hero-image img{aspect-ratio:2.6;object-fit:cover;object-position:center 60%}[data-theme=dark] .hero-image figcaption{position:absolute;left:24px;bottom:24px;margin:0;background:var(--bg);color:var(--fg);padding:12px 16px;box-shadow:var(--shadow)}[data-theme=dark] .hero-image figcaption span:last-child{display:none}[data-theme=dark] .hero-topline{padding-bottom:28px}[data-theme=dark] .hero{padding-top:40px}[data-theme=dark] .hero-footer{margin-top:28px}[data-theme=dark] .hall-switch button{border-radius:0;background:transparent;border-width:0 0 2px}[data-theme=dark] .hall-switch button[aria-selected=true]{color:var(--fg);border-color:var(--fg)}[data-theme=dark] .hall-switch button:hover{background:var(--surface)}[data-theme=light] h1,[data-theme=light] h2,[data-theme=light] h3{font-weight:800}[data-theme=light] .hero-action button{background:var(--fg);color:var(--bg);border-color:var(--fg)}[data-theme=light] .hero-action button:hover{background:oklch(from var(--fg) calc(l - .08) c h)}@media(max-width:950px){nav{gap:16px}.header-contact{display:none}.hero-grid,.hall-layout,.calc-layout,.faq{gap:32px}.hero h1{font-size:52px}.hero-grid{gap:32px}[data-theme=dark] .hero-copy{gap:24px}[data-theme=dark] .hero-action{grid-column:1/-1;grid-row:auto}}@media(max-width:700px){.header{min-height:80px;flex-wrap:wrap;gap:0}.mobile-menu{display:block}nav{display:none;width:100%;flex-wrap:wrap;padding-block:16px}nav[data-open=true]{display:flex}.hero{padding-top:32px}.hero-topline{font-size:11px}.hero-topline span:last-child{display:none}.hero-grid,.hall-layout,.calc-layout,.faq{grid-template-columns:1fr}.hero h1{font-size:clamp(38px,11.7vw,46px);max-width:14ch}.hero-copy>p{margin-block:20px}.hero-image{margin-top:12px}.hero-footer{display:grid;gap:12px}.hall-switch{gap:4px}.hall-switch button{padding:12px 8px;font-size:13px}.hall-switch span{display:none}.hall-text h3{font-size:32px}.photo-stage{min-height:0}.calc-fields,.form-grid{gap:16px}.steps{grid-template-columns:1fr;gap:32px}.step{display:grid;grid-template-columns:48px 1fr;column-gap:16px}.step h3{margin:8px 0}.step p{grid-column:2}.footer{display:grid;gap:20px}[data-theme=dark] .hero-copy{display:block}[data-theme=dark] .hero-copy h1{font-size:clamp(38px,12.5vw,52px)}[data-theme=dark] .hero-copy>p{margin-block:24px}[data-theme=dark] .hero-image img{aspect-ratio:4/3}[data-theme=dark] .hero-image figcaption{left:16px;bottom:16px;font-size:11px}.hero-image figcaption{flex-wrap:wrap}.calc-result{padding:24px}dialog{padding:24px}.faq h2{font-size:36px}}