:root{--bg: #f6f4f0;--bg-elevated: #fffcf7;--ink: #161513;--ink-soft: #5f5a53;--ink-faint: #8a847b;--line: #ddd7cc;--green: #3d6848;--green-soft: #e6efe8;--max: 1120px;--header: 72px;--ease: cubic-bezier(.22, 1, .36, 1)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Source Han Sans SC,Microsoft YaHei,system-ui,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.2em}a:hover{color:var(--green)}:focus-visible{outline:2px solid var(--green);outline-offset:3px}.skip-link{position:absolute;left:16px;top:-48px;z-index:80;padding:8px 12px;background:var(--ink);color:var(--bg);text-decoration:none}.skip-link:focus{top:12px}.wrap{width:min(var(--max),calc(100% - 48px));margin-inline:auto}.eyebrow{margin:0 0 12px;color:var(--green);font-size:13px;letter-spacing:.16em}.section,#product,#features,#brand,#about{scroll-margin-top:calc(var(--header) + 12px)}.section{padding:96px 0}.section-follow{padding-top:0}.section-head{max-width:640px;margin-bottom:56px}.section-head h2,.legal-page h1,.hero h1,.contact-page h1{margin:0;font-weight:560;letter-spacing:-.03em;line-height:1.2}.section-head h2{font-size:clamp(28px,4vw,40px)}.section-head p,.lead{margin:16px 0 0;color:var(--ink-soft);font-size:17px}.site-header{position:sticky;top:0;z-index:40;height:var(--header);background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.2) blur(16px);border-bottom:1px solid transparent}.site-header.is-scrolled{border-bottom-color:var(--line)}.header-inner{height:100%;display:flex;align-items:center;gap:24px}.header-end{display:flex;align-items:center;gap:20px;margin-left:auto}.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}.logo:hover{color:var(--ink)}.logo-mark{width:28px;height:28px;flex:0 0 auto}.wordmark{font-size:15px;font-weight:620;letter-spacing:.22em}.nav{display:flex;align-items:center;gap:28px}.nav a{text-decoration:none;font-size:14px;color:var(--ink-soft)}.nav a:hover,.nav a[aria-current=page]{color:var(--ink)}.menu-toggle{display:none;border:0;padding:8px 0;background:none;color:var(--ink);font:inherit;font-size:14px;cursor:pointer}.lang-switch{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:32px;padding:0 12px;border:1px solid var(--line);border-radius:999px;color:var(--ink);text-decoration:none;font-size:12px;letter-spacing:.08em;flex:0 0 auto}.lang-switch:hover{border-color:var(--ink);color:var(--ink)}.hero{padding:56px 0 88px}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:72px;align-items:center}.hero-logo{display:flex;align-items:center;gap:12px;margin-bottom:28px}.hero-logo .wordmark{font-size:13px}.hero h1{font-size:clamp(40px,6vw,64px);max-width:9em}html[lang=en] .hero h1{max-width:none}.hero .lead{max-width:28em}.hero-actions{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:36px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;text-decoration:none;font-size:14px}.btn-primary{background:var(--ink);color:var(--bg)}.btn-primary:hover{background:var(--green);color:#fff}.btn-ghost{color:var(--ink-soft)}.product-frame{overflow:hidden;border-radius:20px;background:var(--bg-elevated);border:1px solid var(--line)}.product-frame img{width:100%;aspect-ratio:4 / 3;object-fit:cover}.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.feature-list li{padding:36px 36px 36px 0;border-bottom:1px solid var(--line)}.feature-list li:nth-child(odd){padding-right:48px;border-right:1px solid var(--line)}.feature-list li:nth-child(2n){padding-left:48px}.feature-list li:last-child:nth-child(odd){grid-column:1 / -1;padding-right:0;border-right:0}.feature-index{display:block;margin-bottom:14px;color:var(--green);font-size:13px;letter-spacing:.14em}.feature-list h3{margin:0 0 10px;font-size:22px;font-weight:560}.feature-list p{margin:0;color:var(--ink-soft)}.brand-panel{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:72px;padding:64px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.brand-panel h2{margin:0;font-size:clamp(28px,4vw,40px);font-weight:560;letter-spacing:-.03em}.brand-panel p{margin:0 0 18px;color:var(--ink-soft);font-size:17px}.brand-panel p:last-child{margin-bottom:0}.company-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 40px}.company-item{padding-top:16px;border-top:1px solid var(--line)}.company-item dt{margin:0 0 10px;color:var(--ink-faint);font-size:13px}.company-item dd{margin:0;font-size:16px}.company-item a{text-decoration:none}.site-footer{padding:36px 0 48px;border-top:1px solid var(--line);color:var(--ink-soft);font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:24px;align-items:center}.footer-links{display:flex;gap:20px}.footer-links a{text-decoration:none}.legal-page,.contact-page{padding:56px 0 104px}.legal-page h1,.contact-page h1{font-size:clamp(32px,5vw,48px)}.legal-meta,.contact-lead{margin:16px 0 48px;color:var(--ink-soft)}.legal-page article{max-width:720px}.legal-page h2{margin:40px 0 12px;font-size:22px;font-weight:560}.legal-page p,.legal-page li{color:var(--ink-soft)}.legal-page ul{padding-left:1.2em}.contact-list{max-width:640px;display:grid;gap:28px;margin:0}.contact-list div{padding-top:16px;border-top:1px solid var(--line)}.contact-list dt{margin:0 0 8px;color:var(--ink-faint);font-size:13px}.contact-list dd{margin:0;font-size:18px}.contact-list a{text-decoration:none}.not-found{min-height:calc(100vh - var(--header) - 140px);display:grid;align-content:center;padding:80px 0}.not-found h1{margin:0 0 12px;font-size:40px;font-weight:560}.not-found p{margin:0 0 28px;color:var(--ink-soft)}@media(max-width:880px){.wrap{width:min(var(--max),calc(100% - 32px))}.menu-toggle{display:inline-flex}.nav{display:none;position:absolute;inset:var(--header) 0 auto;flex-direction:column;align-items:flex-start;gap:0;padding:12px 16px 20px;background:var(--bg);border-bottom:1px solid var(--line)}.nav.is-open{display:flex}.nav a{width:100%;padding:12px 0;font-size:16px}.hero,.section,.legal-page,.contact-page{padding-top:40px;padding-bottom:64px}.hero-grid,.brand-panel,.company-grid,.footer-inner,.feature-list{grid-template-columns:1fr}.hero-grid,.brand-panel{gap:40px}.feature-list li,.feature-list li:nth-child(odd),.feature-list li:nth-child(2n){padding:28px 0;border-right:0}.footer-inner{display:flex;flex-direction:column;align-items:flex-start}}