:root{color-scheme:light dark;--bg:#f8f9f7;--paper:#fff;--ink:#192a31;--muted:#54666c;--accent:#146b61;--line:#d9e2df;--soft:#edf2ef;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;background:var(--bg);color:var(--ink);scroll-behavior:smooth;scroll-padding-top:100px}
*{box-sizing:border-box}body{margin:0}a{color:inherit}button,input,select{font:inherit}a,button,input,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:5px}[hidden]{display:none!important}.skip-link{position:fixed;top:-80px;left:12px;z-index:20;background:var(--paper);padding:14px}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px max(24px,calc((100vw - 1180px)/2));background:var(--bg);border-bottom:1px solid var(--line)}.wordmark{text-decoration:none;font-weight:700;display:flex;align-items:center;gap:10px;white-space:nowrap}.mark{height:28px;width:28px;border-radius:6px;display:block}nav{display:flex;gap:28px;font-size:14px}nav a{text-decoration:none;white-space:nowrap}nav a:hover,.text-link:hover{text-decoration:underline;text-underline-offset:6px}
main,footer{width:min(1180px,calc(100% - 64px));margin:auto}.hero{padding:80px 0 65px;max-width:920px}.eyebrow,.section-number{font-size:12px;font-weight:600;letter-spacing:.13em;color:var(--accent)}h1{font-size:clamp(34px,5vw,62px);letter-spacing:.02em;margin:18px 0 24px;line-height:1.3}p{line-height:1.9}.lead{font-size:clamp(17px,1.7vw,20px);max-width:820px}.hero-actions{display:flex;align-items:center;gap:32px;margin:30px 0}.primary-link{display:inline-flex;align-items:center;gap:28px;text-decoration:none;padding:15px 22px;background:var(--accent);color:#fff;border-radius:8px;font-weight:600}.primary-link:hover{filter:brightness(1.12)}.text-link{text-decoration:none}.technology{display:flex;flex-wrap:wrap;list-style:none;padding:0;gap:10px 24px;color:var(--muted);font-size:13px;margin-top:32px}
.section{padding:60px 0;border-top:1px solid var(--line)}.section-heading h2{font-size:clamp(24px,3vw,34px);margin:12px 0 28px;line-height:1.5}.overview{display:grid;grid-template-columns:1fr 2fr;gap:65px}.overview-copy p{margin:0 0 24px}.overview-copy h3{font-size:18px;margin:36px 0 14px}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin:0 0 64px}figure{margin:0;min-width:0}.gallery figure{background:var(--soft);padding:20px;border-radius:12px}.gallery .image-link{height:330px}.gallery img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.gallery figcaption{font-size:12px;color:var(--muted);padding-top:14px;letter-spacing:.08em}
.image-link{display:flex;position:relative;align-items:center;justify-content:center;cursor:zoom-in;border-radius:5px;overflow:hidden;text-decoration:none}.image-link img{display:block}.zoom-label{position:absolute;right:9px;bottom:9px;background:#172b36e8;color:white;padding:5px 10px;border-radius:5px;font-size:12px;opacity:0;transition:opacity .15s}.image-link:hover .zoom-label,.image-link:focus-visible .zoom-label{opacity:1}.section-intro{font-size:14px;color:var(--muted);margin-top:-12px}.diagrams{display:grid;gap:36px}.diagram figcaption{font-size:18px;font-weight:600;margin:0 0 16px}.diagram img{width:100%;height:auto}.diagram .image-link{border:1px solid var(--line);border-radius:12px}
.filters{display:flex;gap:20px;align-items:flex-end;margin-bottom:30px;flex-wrap:wrap}.filters label{font-size:13px;display:flex;flex-direction:column;gap:8px}.filters label:first-child{flex:1;min-width:200px}.filters input,.filters select{background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:12px 14px;min-height:48px;font-size:16px}.filters p{min-width:45px;font-size:14px;color:var(--muted);margin:0 0 12px}.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.feature{background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden}.feature-image{background:var(--soft);padding:24px}.feature-image .image-link{height:380px}.feature-image img{max-height:100%;max-width:100%;width:auto;height:auto;object-fit:contain}.feature-copy{padding:24px}.feature-id{font-size:12px;color:var(--accent);letter-spacing:.08em;font-variant-numeric:tabular-nums}.feature h3{font-size:17px;line-height:1.7;margin:10px 0 14px;overflow-wrap:anywhere}.feature p{font-size:14px;line-height:1.9;margin:0}.feature .note{margin-top:12px;color:var(--muted);font-size:13px}.section:last-child{padding-bottom:80px}footer{border-top:1px solid var(--line);padding:28px 0 40px;display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}footer a{text-decoration:none}
dialog{width:min(1400px,96vw);max-width:96vw;position:fixed;top:3svh;bottom:auto;margin:0 auto;height:94svh;max-height:94svh;overflow:hidden;overscroll-behavior:none;padding:0;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink)}dialog[open]{display:flex;flex-direction:column}dialog::backdrop{background:#071016d9}.viewer-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 18px;border-bottom:1px solid var(--line)}.viewer-bar p{margin:0;font-size:14px;line-height:1.5}.viewer-bar button{flex-shrink:0;border:1px solid var(--line);background:var(--soft);color:var(--ink);border-radius:6px;min-height:44px;padding:8px 15px;cursor:pointer}.viewer-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:none;padding:16px;display:flex;align-items:center;justify-content:center}.viewer-scroll img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;cursor:zoom-in}.viewer-scroll.is-zoomed{display:block}.viewer-scroll.is-zoomed img{max-width:none;max-height:none;cursor:zoom-out}.viewer-hint{text-align:center;font-size:12px;color:var(--muted);margin:8px 12px 12px}html.modal-open{overflow:hidden;overscroll-behavior:none;scroll-behavior:auto}body.modal-open{position:fixed;top:var(--scroll-lock-top);left:0;right:0;overflow:hidden;overscroll-behavior:none}
@media(prefers-color-scheme:dark){:root{--bg:#101b22;--paper:#17272f;--ink:#edf3f1;--muted:#aec0c3;--accent:#91cbb7;--line:#30454e;--soft:#1e3039}.primary-link{color:#10291f}.diagram .image-link{border-color:#30454e}}
@media(max-width:900px){.overview{grid-template-columns:1fr;gap:0}.features{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery .image-link{height:260px}.site-header{padding:16px 24px;flex-wrap:wrap}.site-header nav{gap:20px}.hero{padding-top:55px}.overview-copy{max-width:780px}}
@media(max-width:600px){:root{scroll-padding-top:125px}main,footer{width:calc(100% - 36px)}.site-header{padding:14px 18px;gap:14px}nav{width:100%;justify-content:space-between;gap:12px!important;font-size:12px}.hero{padding:42px 0}.hero-actions{gap:24px;flex-wrap:wrap}.technology{gap:9px 16px}.section{padding:38px 0}.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:40px}.gallery figure{padding:12px}.gallery .image-link{height:220px}.features{grid-template-columns:1fr;gap:20px}.feature-image .image-link{height:400px}.feature-copy{padding:22px}.filters{gap:16px}.filters label{width:100%}.filters p{margin:0}.section-heading h2{font-size:25px}.zoom-label{opacity:1}.viewer-bar{padding:10px}.viewer-scroll{padding:8px}.viewer-hint{font-size:11px}footer{font-size:12px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}