:root,:root[data-theme=light]{--bg:#f2eadc;--surface:#fffcf480;--ink:#24211d;--muted:#746d63;--line:#24211d47;--soft:#24211d1f;--accent:#c64429;--grid:#24211d14;--shadow:#3d2a1a1a}:root[data-theme=dark]{--bg:#06131f;--surface:#091b2ab3;--ink:#f1e4ce;--muted:#b6a990;--line:#be7f428c;--soft:#be7f4233;--accent:#bd783c;--grid:#be7f421a;--shadow:#00000061}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,Noto Sans JP,sans-serif;transition:background .45s,color .45s}a{color:inherit;text-decoration:none}button{font:inherit}.site-shell{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:64px 64px;min-height:100vh;overflow:hidden}.site-header{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 90%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:10;align-items:center;gap:40px;height:88px;padding:0 clamp(24px,5vw,80px);display:flex;position:relative}.brand{align-items:center;gap:16px;font-family:Georgia,Yu Mincho,serif;font-size:28px;display:inline-flex}.brand-monogram{border:1px solid var(--accent);width:42px;height:42px;color:var(--accent);place-items:center;font-size:27px;display:grid;position:relative}.brand-monogram small{font-size:10px;position:absolute;bottom:3px;right:3px}nav{letter-spacing:.1em;gap:42px;margin-left:auto;font-family:Georgia,Yu Mincho,serif;font-size:14px;display:flex}nav a{border-bottom:1px solid #0000;padding-bottom:7px}nav a:hover,nav a:focus-visible{border-color:var(--accent)}.theme-toggle{border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;align-items:center;gap:9px;min-height:38px;padding:7px 11px;display:flex}.toggle-track{border:1px solid var(--accent);border-radius:20px;width:32px;height:16px;padding:2px;display:block}.toggle-thumb{background:var(--accent);border-radius:50%;width:10px;height:10px;transition:transform .3s;display:block;transform:translate(14px)}:root[data-theme=light] .toggle-thumb{transform:translate(0)}.toggle-label{letter-spacing:.16em;width:36px;font-size:9px}.hero{border-bottom:1px solid var(--line);grid-template-columns:1.02fr .98fr;min-height:calc(100vh - 88px);display:grid}.hero-copy{padding:clamp(80px,10vh,120px) clamp(32px,6vw,96px);position:relative}.hero-copy:after{content:"";aspect-ratio:1;border:1px solid var(--soft);pointer-events:none;border-radius:50%;width:55%;position:absolute;top:8%;left:-15%}.eyebrow,.kind{color:var(--accent);letter-spacing:.28em;font:11px ui-monospace,monospace}.hero h1,h2,h3{font-family:Georgia,Yu Mincho,Hiragino Mincho ProN,serif;font-weight:400}.hero h1{letter-spacing:.025em;z-index:1;margin:46px 0 28px;font-size:clamp(46px,4.25vw,68px);line-height:1.34;position:relative}.lead{color:var(--muted);letter-spacing:.08em;font-family:Georgia,Yu Mincho,serif;font-size:17px;line-height:2}.primary-action{border:1px solid var(--accent);letter-spacing:.12em;justify-content:space-between;align-items:center;width:min(100%,370px);min-height:70px;margin-top:26px;padding:0 28px;font-family:Georgia,Yu Mincho,serif;transition:all .25s;display:flex}.primary-action:hover{background:var(--accent);color:var(--bg)}.primary-action span{font-size:25px}.hero-art{border-left:1px solid var(--line);min-height:620px;position:relative;overflow:hidden}.orbit{border:1px solid var(--accent);border-radius:50%;position:absolute}.orbit-one{aspect-ratio:1;width:52%;top:15%;left:21%}.orbit-two{aspect-ratio:1;opacity:.65;border-style:dashed;width:38%;top:30%;left:37%}.sun-disc{aspect-ratio:1;background:var(--accent);opacity:.72;border-radius:50%;width:27%;position:absolute;top:30%;left:46%}.brush{background:var(--accent);opacity:.85;clip-path:polygon(0 38%,9% 18%,23% 32%,42% 5%,67% 30%,100% 0,93% 56%,71% 72%,40% 58%,12% 100%);width:55%;height:72px;position:absolute;top:49%;left:26%;transform:rotate(-12deg)skew(-18deg)}:root[data-theme=dark] .brush{opacity:.19;background:linear-gradient(90deg,transparent,var(--accent),transparent)}.hero-art:before,.hero-art:after{content:"";background:var(--soft);position:absolute}.hero-art:before{height:1px;top:50%;left:9%;right:8%}.hero-art:after{width:1px;top:8%;bottom:10%;left:62%}.axis{color:var(--accent);font:9px ui-monospace,monospace;position:absolute}.axis-x{top:9%;right:7%}.axis-y{bottom:8%;left:8%}.seal{border:2px solid var(--accent);color:var(--accent);writing-mode:vertical-rl;padding:8px 6px;font-family:serif;position:absolute;bottom:11%;right:10%}.products{border-bottom:1px solid var(--line);grid-template-columns:.72fr 1fr 1.25fr;gap:22px;padding:120px clamp(24px,5vw,80px);display:grid}.section-heading{align-self:center;padding-right:36px}.section-heading>p{color:var(--accent);letter-spacing:.22em;font:10px ui-monospace,monospace}.section-heading h2{font-size:clamp(31px,3vw,48px);line-height:1.5}.product-card{border:1px solid var(--line);background:var(--surface);min-height:390px;box-shadow:12px 12px 0 var(--shadow);flex-direction:column;padding:34px;transition:all .25s;display:flex;position:relative}.product-card:hover{border-color:var(--accent);transform:translateY(-7px)}.product-card .index{color:var(--accent);font:12px ui-monospace,monospace;position:absolute;top:18px;right:21px}.product-mark{border:1px solid var(--line);width:74px;height:74px;color:var(--accent);border-radius:50%;place-items:center;margin-bottom:auto;font:36px Georgia,serif;display:grid}.product-card h3{margin:16px 0 8px;font-size:clamp(38px,4vw,58px)}.product-card p:not(.kind){color:var(--muted);margin:0;line-height:1.8}.castshift>span:last-child{font-size:27px;position:absolute;bottom:30px;right:32px}.yorukuru{grid-template-rows:1fr auto;grid-template-columns:82px 1fr auto;gap:0 18px;display:grid}.yorukuru .product-mark{grid-column:1}.yorukuru-main{grid-column:2/4}.github-link{color:var(--accent);letter-spacing:.15em;grid-column:3;align-self:end;font-size:11px}.subproducts{border-top:1px solid var(--line);grid-column:1/4;margin-top:30px}.subproducts div{border-bottom:1px dashed var(--soft);justify-content:space-between;gap:20px;padding:18px 4px;display:flex}.subproducts span{color:var(--accent);letter-spacing:.17em;font:11px ui-monospace,monospace}.subproducts strong{font-family:Georgia,Yu Mincho,serif;font-weight:400}.philosophy{background:var(--surface);border-bottom:1px solid var(--line);grid-template-columns:.75fr 1.25fr;align-items:center;gap:10vw;padding:140px clamp(24px,9vw,140px);display:grid}.philosophy-number{color:var(--accent);writing-mode:vertical-rl;border-left:1px solid var(--line);letter-spacing:.18em;justify-self:center;padding-left:38px;font:72px/1.12 Georgia,Yu Mincho,serif}.philosophy-number small{color:var(--muted);font-size:17px}.philosophy-copy h2{margin:28px 0;font-size:clamp(34px,4.5vw,64px);line-height:1.55}.philosophy-copy>p:last-child{max-width:720px;color:var(--muted);letter-spacing:.05em;line-height:2.1}footer{grid-template-columns:1fr 1fr;align-items:end;gap:50px;padding:70px clamp(24px,5vw,80px);display:grid}.footer-brand{font-size:23px}footer>p{text-align:right;color:var(--muted);letter-spacing:.18em;font:11px ui-monospace,monospace}footer>div:last-child{border-top:1px solid var(--line);color:var(--muted);letter-spacing:.12em;grid-column:1/3;justify-content:space-between;padding-top:24px;font-size:11px;display:flex}@media (width<=980px){nav{display:none}.theme-toggle{margin-left:auto}.hero{grid-template-columns:1fr}.hero-art{border-left:0;border-top:1px solid var(--line);min-height:480px}.products{grid-template-columns:1fr 1fr}.section-heading{grid-column:1/3}.yorukuru{grid-template-columns:72px 1fr auto}}@media (width<=640px){.site-header{height:72px;padding:0 18px}.brand{gap:10px;font-size:20px}.brand-monogram{width:34px;height:34px;font-size:22px}.toggle-label{display:none}.theme-toggle{padding:8px}.hero-copy{padding:72px 22px 60px}.hero h1{font-size:clamp(42px,13vw,58px)}.lead br{display:none}.hero-art{min-height:390px}.products{grid-template-columns:1fr;padding:80px 20px}.section-heading{grid-column:1}.product-card{min-height:350px;padding:28px}.yorukuru{display:flex}.yorukuru .product-mark{margin-bottom:20px}.github-link{position:absolute;bottom:25px;right:25px}.subproducts{width:100%;margin-bottom:28px}.philosophy{grid-template-columns:1fr;padding:90px 22px}.philosophy-number{writing-mode:horizontal-tb;border-left:0;border-bottom:1px solid var(--line);justify-self:start;padding:0 0 28px;font-size:54px}.philosophy-copy h2{font-size:37px}footer{grid-template-columns:1fr}footer>p{text-align:left}footer>div:last-child{flex-direction:column;grid-column:1;gap:20px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important}}