:root{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color-scheme:light;--page:#e6e9ef;--surface:#eff1f5;--ink:#4c4f69;--muted:#5c5f77;--line:#bcc0cc;--accent:#4c4f69;--on-accent:#eff1f5;--focus:#1e66f5;background:var(--page);color:var(--ink)}
:root[data-theme=dark]{color-scheme:dark;--page:#181825;--surface:#1e1e2e;--ink:#cdd6f4;--muted:#a6adc8;--line:#45475a;--accent:#cdd6f4;--on-accent:#181825;--focus:#89b4fa}
*{box-sizing:border-box}body{margin:0}a{color:inherit}button{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px}
header{max-width:1040px;margin:auto;padding:26px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}header a{text-decoration:none}.logo{display:inline-flex;align-items:center;gap:8px;font-size:1.35rem;font-weight:800;letter-spacing:-.05em;white-space:nowrap}.logo img{width:34px;height:34px;object-fit:contain}nav{display:flex;gap:20px;align-items:center;font-size:.92rem}.header-right{display:flex;align-items:center;gap:20px}.theme-menu{position:relative}.theme-menu summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:12px;width:38px;height:38px;display:grid;place-items:center}.theme-menu summary::-webkit-details-marker{display:none}.theme-menu summary::after{content:"◐";font-size:1.15rem}.theme-menu[open] form{position:absolute;z-index:10;right:0;top:calc(100% + 8px);min-width:155px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px #0002}.theme-menu form button{display:block;width:100%;padding:8px;border:0;border-radius:8px;background:transparent;color:var(--ink);text-align:left;white-space:nowrap;cursor:pointer}.theme-menu form button:hover,.theme-menu form button[aria-pressed=true]{background:var(--page)}
.hero,main{max-width:1040px;margin:auto;padding:72px 24px}.hero{padding-top:100px;padding-bottom:70px}.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}h1{font-size:clamp(2.4rem,7vw,5rem);line-height:1.12;letter-spacing:-.055em;margin:22px 0}h2{font-size:1.6rem;margin:0 0 16px;letter-spacing:-.025em}p{line-height:1.85;color:var(--muted)}.lead{max-width:660px;font-size:1.18rem}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}.button{display:inline-block;border-radius:999px;padding:14px 24px;text-decoration:none;font-weight:700;border:1px solid var(--accent)}.primary{background:var(--accent);color:var(--on-accent)}.secondary{color:var(--accent)}.screen{max-width:1040px;margin:0 auto 70px;padding:0 24px}.screen img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:22px;box-shadow:0 20px 50px #0002}.screen figcaption{margin-top:12px;color:var(--muted);font-size:.85rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);background:var(--surface);border-radius:22px;padding:28px}.card p{margin-bottom:0}.section{padding:32px 24px 100px;max-width:1040px;margin:auto}.doc{max-width:760px;padding-top:56px}.doc h1{font-size:clamp(2.3rem,6vw,3.5rem)}.doc section{padding:25px 0;border-bottom:1px solid var(--line)}.doc ol,.doc ul{line-height:1.9;color:var(--muted);padding-left:1.4rem}.doc li{margin:6px 0}.note{background:var(--surface);padding:16px 20px;border-radius:14px}.doc pre{overflow:auto;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--surface);line-height:1.6}.doc code{font-size:.9em}footer{border-top:1px solid var(--line);padding:28px 24px;text-align:center;font-size:.85rem;color:var(--muted)}@media(max-width:700px){header{align-items:flex-start}.header-right{gap:10px}nav{gap:10px;flex-wrap:wrap;justify-content:flex-end}.hero{padding-top:70px}.grid{grid-template-columns:1fr}}@media(max-width:380px){header{flex-direction:column;gap:14px}.header-right{width:100%;justify-content:space-between}nav{justify-content:flex-start;flex-wrap:nowrap}.hero{padding-top:46px}.hero h1{font-size:1.8rem}}
.showcase{max-width:1040px;margin:0 auto 70px;padding:0 24px}.showcase h2{margin-bottom:22px}.gallery{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-inline:contain;padding:4px 2px 24px;scrollbar-gutter:stable}.gallery figure{flex:0 0 clamp(190px,29vw,275px);margin:0;scroll-snap-align:start}.gallery img{display:block;width:100%;height:auto;aspect-ratio:1206/2622;object-fit:cover;border:1px solid var(--line);border-radius:24px;box-shadow:0 12px 28px #0002}.gallery figcaption{margin-top:12px;font-weight:700;color:var(--ink)}
@media(max-width:380px){nav{flex-wrap:wrap}}