:root{color-scheme:light;--bg:#fff;--surface:#f5f7fa;--text:#1c2430;--muted:#5d6673;--line:#dfe3e8;--brand:#245aa5;--brand-hover:#17457f;--max:960px}:root[data-theme=dark]{color-scheme:dark;--bg:#12171d;--surface:#1a2129;--text:#edf0f3;--muted:#adb5bf;--line:#343c46;--brand:#82afea;--brand-hover:#a8c9f3}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif;font-size:16px;line-height:1.75}a{color:var(--brand);text-underline-offset:.2em}a:hover{color:var(--brand-hover)}a:focus-visible,button:focus-visible{outline:3px solid var(--brand);outline-offset:3px}.skip-link{z-index:100;background:var(--bg);padding:.6rem 1rem;position:fixed;top:-5rem;left:1rem}.skip-link:focus{top:1rem}.section,.header-inner{width:min(calc(100% - 40px), var(--max));margin-inline:auto}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.header-inner{align-items:center;gap:24px;min-height:68px;display:flex}.brand{color:var(--text);align-items:center;gap:10px;margin-right:auto;font-weight:700;text-decoration:none;display:flex}.brand img{display:block}.header-inner nav ul{gap:22px;margin:0;padding:0;list-style:none;display:flex}.header-inner nav a{color:var(--muted);font-size:.875rem;text-decoration:none}.header-inner nav a:hover,.header-inner nav a[aria-current=page]{color:var(--text);text-decoration:underline}.theme-toggle{border:1px solid var(--line);background:var(--bg);width:36px;height:36px;color:var(--text);cursor:pointer;border-radius:4px;place-items:center;padding:8px;display:grid}.theme-toggle svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:18px}.theme-toggle .moon,:root[data-theme=dark] .theme-toggle .sun{display:none}:root[data-theme=dark] .theme-toggle .moon{display:block}.hero{border-bottom:1px solid var(--line);padding-block:120px 110px}.hero h1{letter-spacing:-.045em;margin:0;font-size:clamp(2.6rem,7vw,4.5rem);line-height:1.2}.lead{color:var(--muted);margin:20px 0 0;font-size:1.15rem}.actions{flex-wrap:wrap;gap:10px;margin-top:32px;display:flex}.button{border:1px solid var(--line);border-radius:4px;justify-content:center;align-items:center;min-height:44px;padding:8px 18px;font-weight:600;text-decoration:none;display:inline-flex}.button.primary{border-color:var(--brand);background:var(--brand);color:#fff}.button.primary:hover{border-color:var(--brand-hover);background:var(--brand-hover);color:#fff}.button.secondary{background:var(--bg);color:var(--text)}.home-section{border-bottom:1px solid var(--line);grid-template-columns:220px 1fr auto;align-items:baseline;gap:32px;padding-block:48px;display:grid}.home-section h2,.home-section p{margin:0}.home-section h2{font-size:1.25rem}.home-section p{color:var(--muted)}.text-link{white-space:nowrap;font-weight:600}.page-header{border-bottom:1px solid var(--line);padding-block:80px 60px}.page-header h1{letter-spacing:-.035em;margin:0;font-size:clamp(2rem,5vw,3rem);line-height:1.3}.page-header p{max-width:720px;color:var(--muted);margin:16px 0 0}h2{line-height:1.4}.details-section,.apps-list,.policy-content{padding-block:64px 100px}.details-section>h2{margin-top:0;font-size:1.4rem}.details-list{border-top:1px solid var(--line);margin-top:28px}.details-list>div{border-bottom:1px solid var(--line);grid-template-columns:190px 1fr;gap:24px;padding:20px 0;display:grid}.details-list dt{color:var(--muted)}.details-list dd{margin:0}.todo-value{color:#a45a00;font-weight:700}.empty-state{border:1px solid var(--line);background:var(--surface);padding:48px}.empty-icon{display:none}.empty-state h2{margin-top:0;font-size:1.25rem}.empty-state p{color:var(--muted);margin-bottom:0}.app-grid{grid-template-columns:repeat(2,1fr);gap:20px;padding:0;list-style:none;display:grid}.app-card{border:1px solid var(--line);padding:24px}.app-links{flex-wrap:wrap;gap:16px;display:flex}.platforms{color:var(--muted)}.contact-card{border:1px solid var(--line);background:var(--surface);margin-block:64px 100px;padding:32px}.contact-card h2{margin-top:0;font-size:1.35rem}.contact-card .button{margin-top:12px}.note{color:var(--muted);margin:24px 0 0;font-size:.9rem}.policy-content{grid-template-columns:210px 1fr;gap:64px;display:grid}.policy-content aside{align-self:start;position:sticky;top:32px}.policy-content aside ol{padding-left:1.2rem;font-size:.9rem}.policy-content aside a{color:var(--muted)}.policy-body{max-width:700px}.policy-body section{padding-bottom:36px;scroll-margin-top:32px}.policy-body h2{font-size:1.3rem}.policy-body p{color:var(--muted)}.policy-dates dl>div{gap:30px;display:flex}.policy-dates dt{font-weight:600}.policy-dates dd{margin:0}.not-found{padding-block:120px}.error-code{color:var(--muted);margin:0;font-size:1rem}.not-found h1{font-size:2rem}.not-found p:not(.error-code){color:var(--muted);margin-bottom:28px}.site-footer{padding:48px max(20px, calc((100% - var(--max)) / 2));border-top:1px solid var(--line)}.footer-inner{justify-content:space-between;gap:40px;display:flex}.footer-brand{color:var(--text);font-weight:700;text-decoration:none}.footer-inner p,.copyright{color:var(--muted);font-size:.85rem}.footer-inner nav{grid-template-columns:repeat(2,auto);gap:6px 24px;display:grid}.footer-inner nav a{color:var(--muted);font-size:.85rem}.copyright{margin:36px 0 0}@media (width<=760px){.header-inner{flex-wrap:wrap;min-height:60px;padding-block:12px}.header-inner nav{order:3;width:100%;overflow-x:auto}.header-inner nav ul{gap:18px;width:max-content}.hero{padding-block:72px}.home-section{grid-template-columns:1fr;gap:10px}.details-list>div{grid-template-columns:1fr;gap:4px}.app-grid{grid-template-columns:1fr}.policy-content{grid-template-columns:1fr;gap:36px}.policy-content aside{position:static}.footer-inner{flex-direction:column}.footer-inner nav{grid-template-columns:1fr 1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}