:root{--bg: #fff8f0;--bg-alt: #ffe9d6;--ink: #1a1333;--ink-soft: #55486f;--red: #ff3366;--yellow: #ffc93c;--teal: #2ec4b6;--blue: #4361ee;--purple: #8338ec;--orange: #ff7f50;--pink: #ff80ab;--radius: 22px;--shadow: 6px 6px 0 var(--ink);--shadow-lg: 10px 10px 0 var(--ink);--border: 3px solid var(--ink);--container: 1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit}h1,h2,h3,h4{letter-spacing:-0.02em}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,248,240,0.85);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:2px solid var(--ink)}.header-inner{display:flex;align-items:center;gap:28px;height:68px}.header-inner .brand{margin-right:auto}.brand{font-family:'Fraunces', Georgia, serif;font-weight:900;font-size:26px;letter-spacing:-0.03em;text-decoration:none;display:inline-flex;align-items:baseline}.brand-dot{color:var(--red)}.brand-tld{color:var(--ink-soft);font-weight:700}.site-nav{display:flex;gap:28px;font-weight:600;font-size:15px}.site-nav a{text-decoration:none;position:relative;padding:4px 2px}.site-nav a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:4px;background:var(--yellow);border-radius:2px}.lang-switch{display:inline-flex;align-items:center;gap:2px;padding:3px;border:2px solid var(--ink);border-radius:999px;background:var(--bg);font-family:'Inter', sans-serif;font-weight:700;font-size:11px;letter-spacing:0.12em;line-height:1}.lang-switch a{display:inline-block;padding:6px 10px;border-radius:999px;text-decoration:none;color:var(--ink-soft);transition:background .15s ease, color .15s ease}.lang-switch a:hover{color:var(--ink)}.lang-switch a.is-active{background:var(--ink);color:var(--bg)}@media (max-width: 640px){.header-inner{gap:14px}.site-nav{gap:14px;font-size:12px}.brand{font-size:22px}.lang-switch{font-size:10px}.lang-switch a{padding:5px 8px}}.hero{position:relative;overflow:hidden;padding:96px 0 120px}.hero-inner{position:relative;z-index:2;max-width:880px}.hero-eyebrow{display:inline-block;font-family:'Inter', sans-serif;font-weight:700;font-size:12px;letter-spacing:0.16em;text-transform:uppercase;padding:8px 14px;border:2px solid var(--ink);border-radius:999px;background:var(--yellow);margin:0 0 28px}.hero-title{font-family:'Fraunces', Georgia, serif;font-weight:900;font-size:clamp(44px, 8vw, 92px);line-height:1.02;letter-spacing:-0.035em;margin:0 0 28px}.hero-title .accent{background:linear-gradient(90deg, var(--red), var(--purple) 55%, var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic}.hero-lede{font-size:18px;max-width:620px;color:var(--ink-soft);margin:0 0 36px}.hero-actions{display:flex;gap:16px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;font-weight:700;font-size:15px;border-radius:999px;border:var(--border);text-decoration:none;transition:transform .15s ease, box-shadow .15s ease;box-shadow:var(--shadow);cursor:pointer}.btn:hover{transform:translate(-2px, -2px);box-shadow:8px 8px 0 var(--ink)}.btn:active{transform:translate(2px, 2px);box-shadow:2px 2px 0 var(--ink)}.btn-primary{background:var(--red);color:#fff}.btn-ghost{background:var(--bg);color:var(--ink)}.hero-blobs{position:absolute;inset:0;z-index:1;pointer-events:none}.blob{position:absolute;border:var(--border);border-radius:50%;opacity:0.95}.blob-1{right:-60px;top:40px;width:240px;height:240px;background:var(--yellow);box-shadow:8px 8px 0 var(--ink)}.blob-2{right:180px;top:210px;width:120px;height:120px;background:var(--teal);box-shadow:6px 6px 0 var(--ink)}.blob-3{right:30px;bottom:-30px;width:170px;height:170px;background:var(--purple);box-shadow:6px 6px 0 var(--ink)}@media (max-width: 860px){.hero{padding:60px 0 80px}.blob-1{width:140px;height:140px;right:-40px;top:-20px}.blob-2{width:80px;height:80px;right:40px;top:120px}.blob-3{width:110px;height:110px;right:-20px;bottom:-30px}}.section{padding:112px 0;border-top:2px solid var(--ink)}.section.about{background:var(--bg-alt)}.section.apps{background:var(--bg)}.section.oss{background:var(--bg-alt)}.section.contact{background:var(--bg)}.section-eyebrow{display:inline-block;font-family:'Inter', sans-serif;font-weight:700;font-size:12px;letter-spacing:0.16em;text-transform:uppercase;background:var(--ink);color:var(--bg);padding:6px 12px;border-radius:999px;margin:0 0 16px}.section-title{font-family:'Fraunces', Georgia, serif;font-weight:900;font-size:clamp(34px, 5.2vw, 58px);line-height:1.05;margin:0 0 16px}.section-lede{color:var(--ink-soft);font-size:17px;margin:0 0 48px;max-width:620px}.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:start}.about-lead{font-size:22px;line-height:1.7;margin:0}.about-lead strong{background:linear-gradient(transparent 60%, var(--yellow) 60%);font-weight:700}.facts{list-style:none;padding:0;margin:0;display:grid;gap:14px}.facts li{display:flex;justify-content:space-between;align-items:center;border:var(--border);border-radius:16px;padding:14px 20px;background:var(--bg);box-shadow:var(--shadow)}.fact-label{font-weight:700;color:var(--ink-soft);font-size:12px;letter-spacing:0.12em;text-transform:uppercase}.fact-value{font-weight:700}@media (max-width: 860px){.about-grid{grid-template-columns:1fr;gap:40px}.about-lead{font-size:20px}}.cards{display:grid;gap:24px}.card{display:flex;flex-direction:column;gap:14px;padding:28px;border:var(--border);border-radius:var(--radius);background:var(--bg);box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .15s ease, box-shadow .15s ease;position:relative;overflow:hidden}.card:hover{transform:translate(-3px, -3px);box-shadow:var(--shadow-lg)}.card-title{font-family:'Fraunces', Georgia, serif;font-size:28px;font-weight:900;margin:0;letter-spacing:-0.02em}.card-title.mono{font-family:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;font-size:22px;font-weight:700;letter-spacing:-0.02em}.card-tagline{margin:0;color:var(--ink-soft);font-size:15px}.card-link{font-weight:700;font-size:14px;margin-top:auto;color:var(--ink)}.apps-grid{grid-template-columns:repeat(auto-fit, minmax(320px, 1fr))}.app-card{padding-top:84px;min-height:260px}.app-card::before{content:"";position:absolute;left:0;right:0;top:0;height:56px;border-bottom:var(--border)}.app-card.accent-magenta::before{background:var(--red)}.app-card.accent-teal::before{background:var(--teal)}.app-card.accent-yellow::before{background:var(--yellow)}.app-card.accent-blue::before{background:var(--blue)}.gems-grid{grid-template-columns:repeat(auto-fill, minmax(240px, 1fr))}.gem-card{min-height:170px;background:var(--bg)}.gem-card-main{position:absolute;inset:0;z-index:1;border-radius:inherit}.gem-card .card-link{position:relative;z-index:2;align-self:flex-start;text-decoration:none;color:var(--ink)}.gem-card .card-link:hover{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:4px;text-decoration-color:var(--yellow)}.gem-card::before{content:"";position:absolute;left:-30px;top:-30px;width:60px;height:60px;border-radius:50%;background:var(--yellow);border:var(--border);transition:transform .2s ease}.gem-card:hover::before{transform:scale(1.2)}.gem-card:nth-child(6n+1)::before{background:var(--red)}.gem-card:nth-child(6n+2)::before{background:var(--yellow)}.gem-card:nth-child(6n+3)::before{background:var(--teal)}.gem-card:nth-child(6n+4)::before{background:var(--purple)}.gem-card:nth-child(6n+5)::before{background:var(--blue)}.gem-card:nth-child(6n+6)::before{background:var(--orange)}.oss-aside{margin:48px 0 0;font-size:15px;color:var(--ink-soft)}.oss-aside a{font-weight:700;color:var(--ink);text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:4px;text-decoration-color:var(--yellow)}.contact-lede{color:var(--ink-soft);font-size:17px;margin:0 0 40px;max-width:620px}.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fit, minmax(260px, 320px));justify-content:start}.contact-list a{display:flex;justify-content:space-between;align-items:center;text-decoration:none;padding:18px 22px;border:var(--border);border-radius:16px;background:var(--bg);box-shadow:var(--shadow);transition:transform .15s ease, box-shadow .15s ease}.contact-list a:hover{transform:translate(-2px, -2px);box-shadow:8px 8px 0 var(--ink)}.contact-list a>span{font-size:12px;color:var(--ink-soft);letter-spacing:0.14em;text-transform:uppercase;font-weight:700}.contact-list a>strong{font-family:'Fraunces', Georgia, serif;font-size:20px;font-weight:900;letter-spacing:-0.02em}.site-footer{padding:48px 0;background:var(--ink);color:var(--bg);border-top:2px solid var(--ink)}.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.site-footer .copy{margin:0;font-size:14px;opacity:0.8}.site-footer .footer-nav{display:flex;gap:24px;font-weight:600;font-size:14px}.site-footer .footer-nav a{text-decoration:none}.site-footer .footer-nav a:hover{color:var(--yellow)}.page-main{padding:64px 0 96px}.page-content{max-width:720px}.page-content h1{font-family:'Fraunces', Georgia, serif;font-size:clamp(36px, 6vw, 60px);font-weight:900;letter-spacing:-0.03em;margin:0 0 24px}.page-content h2{font-family:'Fraunces', Georgia, serif;font-size:clamp(24px, 3vw, 32px);font-weight:900;margin:48px 0 16px}.page-content p,.page-content ul,.page-content ol{font-size:17px}.page-content ul,.page-content ol{padding-left:1.4em}.page-content li{margin-bottom:6px}.page-content a{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;text-decoration-color:var(--red)}.page-content a:hover{text-decoration-color:var(--yellow)}.page-content hr{border:0;border-top:2px solid var(--ink);margin:56px 0 24px}.page-content code{font-family:'JetBrains Mono', ui-monospace, monospace;background:var(--bg-alt);padding:2px 6px;border-radius:6px;font-size:0.92em}@media (max-width: 640px){.section{padding:80px 0}.hero{padding:48px 0 72px}.apps-grid{grid-template-columns:1fr}}