:root{--page-bg:#c3d3cb;--text:#231815;--accent:#346d53;--subtle-accent:#175c2e;--footer-bg:#0000000d;--footer-border:#00000029;color-scheme:light;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif}*{box-sizing:border-box}html{background:var(--page-bg)}body{min-width:320px;color:var(--text);background:var(--page-bg);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0}img{max-width:100%;height:auto;display:block}main{overflow:hidden}.hero{width:min(100%,1120px);margin:0 auto;padding:82px 20px 0}.hero__intro{grid-template-columns:minmax(180px,269px) minmax(280px,1fr);justify-content:center;align-items:center;gap:56px;width:min(100%,640px);margin:0 auto;display:grid}.hero__icon{filter:drop-shadow(0 1px 4px #0000003d);width:269px}.hero__copy{text-align:center;justify-items:center;gap:22px;display:grid}.hero h1{color:var(--text);letter-spacing:0;margin:0;font-family:KsoKokuryu,Hiragino Mincho ProN,Yu Mincho,serif;font-size:clamp(5.5rem,9vw,8.75rem);font-weight:700;line-height:.9}.hero p{color:var(--subtle-accent);white-space:nowrap;margin:0;font-size:1rem;font-weight:700;line-height:1.5}.store-link{border-radius:18px;width:200px;transition:transform .16s,filter .16s;display:block}.store-link:focus-visible{outline-offset:4px;outline:3px solid #175c2e99}.store-link:hover{filter:saturate(1.05);transform:translateY(-1px)}.product-shot{width:min(100% - clamp(32px,6vw,72px),1022px);margin:clamp(34px,4.4vw,54px) auto clamp(18px,3vw,34px)}.product-shot__image{width:100%}.features{width:min(100%,900px);margin:8px auto 0;padding:0 20px 66px}.features h2{text-align:center;letter-spacing:0;margin:0 0 68px;font-size:clamp(1.7rem,3vw,2rem);font-weight:800;line-height:1.3}.features__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:56px 92px;display:grid}.feature{grid-template-columns:56px 1fr;align-items:start;gap:20px;display:grid}.feature__icon{width:56px;height:60px;color:var(--accent);place-items:start center;display:grid}.feature__icon svg{stroke-width:1.8px;width:54px;height:54px}.feature h3{letter-spacing:0;margin:0 0 12px;font-size:1.25rem;font-weight:700;line-height:1.2}.feature p{max-width:18rem;margin:0;font-size:1rem;font-weight:400;line-height:1.65}.site-footer{border-top:1px solid var(--footer-border);background:var(--footer-bg);text-align:center;place-items:center;gap:18px;min-height:112px;padding:20px;display:grid;position:relative}.site-footer__credits{place-items:center;gap:13px;display:grid}.site-footer p{margin:0;font-size:.875rem;line-height:1.2}.site-footer a{color:inherit;text-underline-offset:.18em;text-decoration:none}.site-footer a:hover{text-decoration:underline}.site-footer a:focus-visible{outline-offset:3px;outline:2px solid #175c2e99}.site-footer__copyright,.site-footer__links{font-size:.75rem}.site-footer__links{align-items:center;gap:14px;display:flex;position:absolute;top:20px;right:20px}.language-menu{font-size:.75rem;position:relative}.language-menu summary{border:1px solid var(--footer-border);background:var(--page-bg);cursor:pointer;text-underline-offset:.18em;border-radius:8px;align-items:center;padding:5px 9px;list-style:none;display:inline-flex}.language-menu summary::-webkit-details-marker{display:none}.language-menu summary:hover{border-color:#00000047}.language-menu summary:focus-visible{outline-offset:3px;outline:2px solid #175c2e99}.language-menu__items{z-index:10;border:1px solid var(--footer-border);background:var(--page-bg);text-align:left;border-radius:8px;min-width:116px;padding:6px;display:grid;position:absolute;bottom:calc(100% + 8px);right:0;box-shadow:0 10px 28px #00000029}.language-menu__items a{white-space:nowrap;border-radius:6px;grid-template-columns:14px 1fr;align-items:center;gap:7px;padding:7px 9px;display:grid}.language-menu__items a:before{color:var(--accent);content:""}.language-menu__items a:hover{background:#ffffff57;text-decoration:none}.language-menu__items a[aria-current=page]{background:0 0}.language-menu__items a[aria-current=page]:before{content:"✓"}.markdown-page{width:min(100%,820px);margin:0 auto;padding:72px 20px 88px;overflow:visible}.markdown-page__home{color:var(--accent);text-underline-offset:.2em;margin-bottom:42px;font-size:.95rem;font-weight:700;text-decoration:none;display:inline-flex}.markdown-page__home:hover{text-decoration:underline}.markdown-page__home:focus-visible{outline-offset:4px;outline:2px solid #175c2e99}.markdown-content{font-size:1rem;line-height:1.85}.markdown-content h1{letter-spacing:0;margin:0 0 28px;font-size:clamp(2.4rem,6vw,4rem);font-weight:800;line-height:1.05}.markdown-content h2{letter-spacing:0;margin:44px 0 14px;font-size:clamp(1.25rem,3vw,1.55rem);font-weight:800;line-height:1.35}.markdown-content p{margin:0 0 18px}.markdown-content a{color:var(--accent);text-underline-offset:.2em;font-weight:700;text-decoration-thickness:1px}.markdown-content a:focus-visible{outline-offset:3px;outline:2px solid #175c2e99}@media (width<=760px){.hero{padding-top:44px}.hero__intro{grid-template-columns:1fr;gap:24px;width:min(100%,340px)}.hero__icon{justify-self:center;width:min(58vw,220px)}.hero__copy{gap:16px}.hero h1{font-size:3rem}.hero p{white-space:normal}.store-link{width:188px}.product-shot{margin-block:34px 24px}.features{margin-top:34px;padding-bottom:48px}.features h2{margin-bottom:42px}.features__grid{grid-template-columns:1fr;row-gap:34px;width:min(100%,420px);margin:0 auto}.site-footer__links{top:20px;right:20px}.markdown-page{padding-top:44px;padding-bottom:64px}.markdown-page__home{margin-bottom:34px}}@media (width<=430px){.site-footer{gap:20px;padding-top:20px}.site-footer__credits{order:2}.site-footer__links{order:1;justify-content:center;width:100%;position:static}.language-menu__items{right:50%;transform:translate(50%)}.hero{padding-inline:16px}.feature{grid-template-columns:48px 1fr;gap:16px}.feature__icon{width:48px}.feature__icon svg{width:46px;height:46px}.feature h3{font-size:1.1rem}.feature p{font-size:.95rem}}