:root{--bg: #000;--surface: #141414;--text: #f5f5f7;--muted: #86868b;--line: rgba(255, 255, 255, .14);--line-strong: rgba(255, 255, 255, .18);--blue: #2997ff;--sans: "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;--display: "Instrument Serif", "Iowan Old Style", "Songti SC", "Noto Serif SC", Georgia, serif;--ease: cubic-bezier(.22, 1, .36, 1);--pad-x: 2rem;color-scheme:dark;font-family:var(--sans);font-size:17px;line-height:1.5;color:var(--text);background:var(--bg);scrollbar-color:var(--line) var(--bg)}*{box-sizing:border-box}html{overflow-x:clip;scroll-padding-top:72px;-webkit-tap-highlight-color:transparent}@media(pointer:fine){html{overscroll-behavior:none}}a,button{touch-action:manipulation}body{margin:0;background:var(--bg)}::selection{background:#2997ff59;color:#fff}:focus-visible{outline:2px solid var(--blue);outline-offset:3px}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}h1,h2,h3,p{margin:0}ol,ul{margin:0;padding:0;list-style:none}.thread{position:fixed;z-index:60;top:0;left:0;width:2px;height:100%;background:var(--blue);transform:scaleY(0);transform-origin:top center;pointer-events:none}.site-nav{position:fixed;z-index:50;top:0;left:0;right:0;height:56px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 var(--pad-x);padding-top:env(safe-area-inset-top);background:#000000e0;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);opacity:0;transform:translateY(-100%);pointer-events:none;transition:opacity .38s var(--ease),transform .38s var(--ease)}.site-nav.is-visible{opacity:1;transform:none;pointer-events:auto}.site-nav-links{display:flex;align-items:center;gap:28px}.site-nav-links a{font-size:14px;color:var(--muted)}.site-nav-links a:hover{color:var(--text)}.site-nav-actions{display:flex;align-items:center;gap:10px}.brand{display:inline-flex;align-items:center;gap:8px;font-weight:500;letter-spacing:-.01em;font-size:15px}.mark{width:22px;height:22px;display:block;border-radius:6px;object-fit:cover}.lang{display:flex;gap:2px}.lang button{border:0;background:transparent;color:var(--muted);min-height:32px;padding:0 8px;cursor:pointer}.lang button[aria-pressed=true]{color:var(--text)}.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 24px;border-radius:6px;border:1px solid transparent;background:var(--blue);color:var(--bg);font-size:14px;font-weight:500;cursor:pointer;transition:filter .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease)}.btn:hover{filter:brightness(1.08)}.btn.ghost{background:transparent;color:var(--text);border-color:var(--line-strong)}.hero{position:relative;min-height:100svh;display:grid;grid-template-rows:auto 1fr;padding:1.5rem var(--pad-x) 2rem}.hero-top{display:flex;align-items:center;justify-content:space-between;height:32px}.hero-grid{display:grid;align-items:center;gap:2rem}.copy{max-width:640px;display:flex;flex-direction:column;gap:24px;position:relative;z-index:3}.eyebrow{color:var(--blue);font-size:12px;font-weight:500;letter-spacing:.18em;text-transform:uppercase}h1{font-family:var(--sans);font-size:clamp(52px,6.4vw,96px);font-weight:600;letter-spacing:-.045em;line-height:1.02}.h1-line{display:block}h1 .word{display:inline-block;opacity:0;transform:translateY(10px);animation:word-in .72s var(--ease) forwards}h1 .word{animation-delay:calc(var(--i, 0) * .1s + 40ms)}@keyframes word-in{to{opacity:1;transform:none}}.slogan{font-family:var(--display);font-style:italic;color:var(--blue);font-size:clamp(22px,2vw,28px);line-height:1.2}.slogan span{display:block}.subtext{max-width:36em;color:var(--muted);font-size:17px;line-height:1.5}.ctas{display:flex;flex-wrap:wrap;gap:12px}.mark-col{position:relative;min-height:360px}.mark-stage{position:absolute;top:0;right:0;bottom:0;left:0;touch-action:pan-y}.particle-stage{position:absolute;pointer-events:none}.particle-canvas,.particle-fallback{position:absolute;display:block;max-width:none;-webkit-user-select:none;user-select:none;pointer-events:none}.particle-canvas{top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;transition:opacity .45s var(--ease)}.particle-fallback{opacity:0;visibility:hidden;transition:opacity .45s var(--ease)}[data-particle][data-gl=on] .particle-canvas{opacity:1}[data-particle][data-gl=off] .particle-fallback{opacity:1;visibility:visible}.section-inner{width:min(1100px,calc(100% - 2 * var(--pad-x)));margin-inline:auto}.section--statement,.section--principles,.section--cta{padding-block:6rem}.statement-line{font-family:var(--sans);font-size:clamp(48px,5.6vw,84px);font-weight:600;line-height:1.05;letter-spacing:-.04em}.statement-line .word{opacity:.32}.statement-rule{display:block;width:64px;height:1px;margin:32px 0;background:var(--blue);transform:scaleX(0);transform-origin:left center}.statement-caption{color:var(--muted);font-size:18px;opacity:0}.principles-grid{display:grid;gap:56px}.principle-number{font-family:var(--display);font-style:italic;font-size:56px;line-height:1;color:var(--blue);font-variant-numeric:tabular-nums;margin-bottom:8px}.principle-title{font-family:var(--sans);font-size:24px;font-weight:600;letter-spacing:-.03em;line-height:1.25}.principle-desc{margin-top:12px;color:var(--muted);max-width:36em}.shot{position:relative;margin:0;aspect-ratio:4 / 3;max-height:28vh;border-radius:12px;overflow:hidden;background:#ffffff0f}.shot:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.14) 50%,transparent 80%);transform:translate(-120%);animation:shimmer 1.5s ease-in-out infinite}.shot:has(img.is-ready):before{opacity:0;animation:none}.shot img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;filter:blur(12px);transform:scale(1.04);transition:opacity .5s var(--ease),filter .7s var(--ease),transform .7s var(--ease)}.shot img.is-ready{opacity:1;filter:none;transform:none}@keyframes shimmer{to{transform:translate(120%)}}.record-name{margin-top:12px;font-weight:600;letter-spacing:-.02em}.record-body{margin-top:6px;color:var(--muted);font-size:15px}.product-h2{font-family:var(--sans);font-size:clamp(32px,4vw,48px);font-weight:600;letter-spacing:-.04em;line-height:1.1}.section--product .subtext{margin-top:12px}.window{margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;transform-origin:center top}.window-top{display:flex;align-items:center;gap:10px;height:40px;padding:0 14px;border-bottom:1px solid var(--line);font-size:13px}.traffic{width:8px;height:8px;border-radius:999px;background:var(--text)}.window-body{display:grid;grid-template-columns:200px 1fr;min-height:280px}.window-rail{border-right:1px solid var(--line);padding:12px}.window-rail li{padding:8px 10px;border-radius:4px;color:var(--muted);font-size:13px}.window-rail li.is-on{color:var(--text);background:#2997ff14}.window-main{padding:20px 22px}.window-main p{color:var(--muted)}.now{display:flex;align-items:center;gap:10px;margin-top:14px;color:var(--text);font-size:20px;font-weight:600;letter-spacing:-.03em}.seal{display:none;width:16px;height:16px;color:var(--blue);flex:none}.seal svg{width:16px;height:16px;grid-area:1 / 1}.seg[data-state=approved]~.now .seal{display:inline-grid}.seal-spin{animation:seal-spin .45s linear}.seal-check{stroke-dasharray:16;stroke-dashoffset:16;animation:seal-draw .35s .4s var(--ease) forwards}.seal.is-settled .seal-spin{display:none}.seal.is-settled .seal-check{stroke-dashoffset:0;animation:none}@keyframes seal-spin{to{transform:rotate(360deg)}}@keyframes seal-draw{to{stroke-dashoffset:0}}.flow-rows{margin-top:18px}.flow-rows li{display:flex;align-items:center;gap:14px;padding:10px 0;border-top:1px solid var(--line);font-size:15px;color:var(--muted);opacity:.28}.flow-rows li.is-lit{color:var(--text);opacity:1}.flow-rows li span:first-child{color:var(--blue);font-variant-numeric:tabular-nums}.return-mark{display:none;position:relative;width:96px;height:96px;margin-left:auto;flex:none;touch-action:pan-y}.flow-rows li.is-return.is-lit .return-mark{display:block}.seg{position:relative;display:grid;grid-template-columns:1fr 1fr;width:min(100%,220px);margin-top:16px;border:1px solid var(--line);border-radius:6px}.seg-thumb{position:absolute;z-index:0;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);border-radius:4px;background:var(--blue);transition:transform .35s var(--ease)}.seg[data-state=approved] .seg-thumb{transform:translate(100%)}.seg button{position:relative;z-index:1;min-height:36px;border:0;background:transparent;color:var(--muted);cursor:pointer}.seg button[aria-pressed=true]{color:var(--bg)}.section--cta .statement-line{font-size:clamp(40px,5vw,72px)}.pricing{margin-top:16px;color:var(--muted);font-size:15px}form{display:grid;gap:8px;margin-top:32px;max-width:560px}label{display:grid;gap:4px;color:var(--muted);font-size:13px}.pair{display:grid;grid-template-columns:1fr 1fr;gap:24px}input,select,textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:12px 0}textarea{resize:vertical;min-height:88px}input:focus,select:focus,textarea:focus{border-bottom-color:var(--blue)}.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:12px}.form-foot small{color:var(--muted);font-size:13px}.status:empty{display:none}.status{margin:8px 0 0}.status[data-tone=ok]{color:#32d74b}.status[data-tone=bad]{color:#ff453a}.fallback{margin-top:8px;min-height:96px}.foot{padding:64px 0 40px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.foot-grid{display:flex;justify-content:space-between;gap:32px 48px;align-items:flex-start}.foot .brand{color:var(--text)}.foot nav{display:flex;flex-direction:column;gap:10px}.about-list{display:grid;gap:22px;margin-top:28px;max-width:36em}.about-list h3{font-size:16px;font-weight:600;color:var(--text)}.about-list p{margin-top:6px}.mail{color:var(--text)}.statement-note{max-width:36em;margin-top:36px;font-size:18px;color:var(--text);line-height:1.4}.source,.legal{margin-top:12px;font-size:13px}#solution,#principles,#product,#about,#close,#pricing{scroll-margin-top:72px}@media(min-width:768px){.principles-grid{grid-template-columns:1.1fr .95fr 1.05fr;align-items:start;gap:48px 56px}.principles-grid .principle:nth-child(2){margin-top:72px}.principles-grid .principle:nth-child(3){margin-top:24px}}@media(min-width:1024px){:root{--pad-x: 4rem}.hero{height:100svh;min-height:0;overflow:visible}h1{font-size:clamp(80px,8vw,130px)}.hero-grid{position:relative;min-height:0;grid-template-columns:minmax(0,1fr) minmax(420px,1.15fr);align-items:center}.copy{max-width:640px}.mark-col{position:relative;width:min(64vw,78vh);aspect-ratio:1;justify-self:end;height:auto;min-height:0;z-index:1;transform-origin:center}.statement-pin{height:180vh}.section--statement{position:sticky;top:0;height:100svh;display:flex;align-items:center;overflow:hidden;padding-block:4rem}.statement-line{font-size:clamp(80px,9vw,140px)}.principles-pin{height:300vh}.section--principles{position:sticky;top:0;height:100svh;padding:0;overflow:hidden}.principles-grid{display:flex;width:300vw;height:100%;gap:0}.principles-grid .principle,.principles-grid .principle:nth-child(2),.principles-grid .principle:nth-child(3){width:100vw;height:100%;flex-shrink:0;margin:0;padding:0 calc(var(--pad-x) + 4vw);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(220px,.72fr);column-gap:48px;align-content:center}.principle-number{grid-column:1;grid-row:1}.principle-copy{grid-column:1;grid-row:2;align-self:start}.shot{grid-column:2;grid-row:1;align-self:end;max-height:34vh}.record-name{grid-column:2;grid-row:2;align-self:end;margin-top:16px}.record-body{grid-column:2;grid-row:3}.principles-grid .principle-number{font-size:clamp(140px,16vw,260px);line-height:.85}.principles-grid .principle-title{font-size:clamp(40px,6vw,84px);line-height:1.05;max-width:16em}.principles-grid .principle-desc{font-size:clamp(18px,1.6vw,26px)}.product-pin{height:200vh}.section--product{position:sticky;top:0;height:100svh;display:flex;align-items:center;overflow:hidden;padding-block:3rem}.section--product .section-inner{width:min(1100px,calc(100% - 2 * var(--pad-x)))}}@media(max-width:1023px){.hero-grid{grid-template-rows:52svh auto}.mark-col{order:-1;min-height:52svh}.statement-line .word,.statement-caption,.statement-rule{opacity:1;transform:none}.site-nav-links{display:none}.flow-rows li{opacity:1;color:var(--text)}.flow-rows li.is-return .return-mark{display:block}.window-top,.window-rail{opacity:1}}@media(max-width:700px){.window-body{grid-template-columns:1fr}.window-rail{display:flex;gap:6px;overflow:auto;border-right:0;border-bottom:1px solid var(--line)}.pair{grid-template-columns:1fr}.foot-grid{flex-direction:column}}@media(prefers-reduced-motion:reduce){.thread{display:none}h1 .word,.statement-line .word,.statement-caption{opacity:1;animation:none;transform:none}.statement-rule{transform:none}.site-nav{opacity:1;transform:none;pointer-events:auto}.statement-pin,.principles-pin,.product-pin{height:auto}.section--statement,.section--principles,.section--product{position:static;height:auto;overflow:visible}.principles-grid{display:grid;width:auto;height:auto;transform:none!important}.principles-grid .principle{width:auto;height:auto}.window{transform:none!important}.particle-canvas,.particle-fallback,.seg-thumb,.now,.shot img{transition:none}.shot:before{animation:none}.shot img{opacity:1;filter:none;transform:none}.flow-rows li{opacity:1;color:var(--text)}.flow-rows li.is-return .return-mark{display:block}.seal-spin,.seal-check{animation:none}.seal.is-play .seal-check,.seal.is-settled .seal-check{stroke-dashoffset:0}}