:root{color-scheme:light;--paper:#f7faff;--ink:#0f1a2e;--muted:#5a6685;--purple:#1c5cbb;--lavender:#e6effb;--lime:#dbeefd;--peach:#eef4fc;--line:#dbe6f5;--mono:"SFMono-Regular",Consolas,monospace;font-family:"Hiragino Sans","Noto Sans JP","Yu Gothic",system-ui,sans-serif;color:var(--ink);background:var(--paper);-webkit-text-size-adjust:100%}
*{box-sizing:border-box}body{margin:0;font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a:hover{color:var(--purple)}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--purple);outline-offset:5px}code{font-family:var(--mono)}svg{display:block}.wrap{width:min(1200px,calc(100% - 72px));margin-inline:auto}.skip{position:fixed;top:-100px;left:16px;z-index:50;background:white;padding:12px}.skip:focus{top:12px}.header{position:sticky;top:0;z-index:20;background:#f7fafff5;border-bottom:1px solid var(--line)}.navigation{display:flex;align-items:center;gap:36px;min-height:84px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:30px;font-weight:800;letter-spacing:-1px;line-height:1.25;white-space:nowrap}.brand svg{width:32px;height:32px;stroke:var(--purple);stroke-width:3;stroke-linecap:round}.brand small{display:block;font-size:10px;letter-spacing:.03em;font-weight:500;color:var(--muted)}.navigation nav{display:flex;margin-left:auto;gap:28px;font-size:12px;font-weight:650}.navigation nav a{display:flex;align-items:center;min-height:44px}.login{border:1px solid var(--ink);border-radius:8px;padding:8px 20px;font-size:12px;font-weight:650;white-space:nowrap}.login span{margin-left:15px}.button{display:inline-flex;align-items:center;justify-content:center;gap:34px;background:var(--purple);color:#fff;border:1px solid var(--purple);border-radius:8px;min-height:56px;padding:15px 28px;font-weight:650;font-size:14px;line-height:1.4;transition:background .15s,transform .15s}.button:hover{background:#174f9e;border-color:#174f9e;color:#fff}.button.outline{background:transparent;color:var(--ink);border-color:#b9cbe2}.button.outline:hover{background:var(--lavender)}.hero{padding-block:76px 80px;display:grid;grid-template-columns:1.17fr 1fr;gap:58px;align-items:center}.eyebrow{font-size:11px;letter-spacing:.13em;font-weight:650;color:var(--purple);margin-bottom:22px}.hero .eyebrow{font-size:13px;letter-spacing:.06em;display:flex;align-items:center;gap:12px}h1{font-size:clamp(38px,4.1vw,59px);line-height:1.5;font-weight:750;letter-spacing:-.06em}h1>span{color:var(--purple);}.intro{font-size:15px;line-height:2.1;margin-top:26px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.hero-note{font-size:11px;color:var(--muted);margin-top:16px}.sdk-line{display:flex;flex-wrap:wrap;gap:9px;margin-top:35px}.sdk-line span{font-size:10px;border:1px solid var(--line);padding:3px 10px;border-radius:4px;color:var(--muted)}.playground{background:#0d1f3c;border:1px solid #243e61;border-radius:16px;overflow:hidden;color:#fff;box-shadow:0 18px 45px -24px #0d1f3c66}.playground-top{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;font-family:var(--mono);font-size:9px;letter-spacing:.07em;color:#9fb3d6;border-bottom:1px solid #ffffff20}.demo-label{font-family:inherit;font-size:10px;letter-spacing:0}.demo-note{font-size:9px;color:#9fb3d6;text-align:center;padding:12px 18px 18px}.section{padding-block:88px;scroll-margin-top:106px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:38px}h2{font-size:clamp(29px,3vw,40px);line-height:1.55;letter-spacing:-.045em;font-weight:750}.section-heading .eyebrow{margin-bottom:12px}.section-heading>p{font-size:13px;color:var(--muted);padding-bottom:4px}.ideas-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.idea{border:1px solid var(--line);border-radius:12px;padding:24px;min-width:0}.lavender{background:var(--lavender)}.peach{background:var(--peach)}.lime{background:var(--lime)}.idea-art{height:122px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;position:relative}.game-art span:first-child{font-size:90px;line-height:1;color:#2f7fe0;transform:rotate(0deg)}.game-art span:nth-child(2){border:2px solid #2f7fe0;border-radius:12px;font-size:35px;width:62px;height:62px;line-height:52px;text-align:center;transform:rotate(0deg);background:#ffffff;margin-left:18px}.game-art span:last-child{position:absolute;font-size:26px;top:4px;right:40px;color:#2f7fe0}.learning-art span{border:1.5px solid #1c5cbb;padding:7px 17px;border-radius:15px 15px 15px 3px;transform:rotate(0deg);background:#ffffff;font-size:23px;font-weight:650;color:#1c5cbb}.learning-art span+span{position:absolute;font-size:18px;transform:rotate(0deg);top:69px;right:16px;background:#dbeafd}.friend-art span:first-child{width:93px;height:83px;border-radius:32px;background:#2f7fe0;color:#ffffff;text-align:center;font-size:69px;line-height:50px;transform:rotate(-8deg)}.friend-art span+span{background:#f7faff;color:#1c5cbb;border-radius:50%;width:46px;height:46px;line-height:40px;text-align:center;font-size:32px;position:absolute;right:40px;top:4px;transform:rotate(12deg)}.idea-category{font-family:var(--mono);font-size:10px;letter-spacing:.15em;color:#5a6685}h3{font-size:18px;line-height:1.65;font-weight:700;letter-spacing:-.025em}.idea h3{margin:7px 0 10px}.idea p{font-size:13px;color:#5a6685}.idea-tag{display:block;font-size:10px;color:#5a6685;margin-top:18px}.idea.small{display:flex;gap:15px;border:1px solid var(--line);padding:24px 20px}.idea.small h3{font-size:15px;margin:0 0 9px}.small-icon{flex:none;width:35px;height:35px;display:grid;place-items:center;border-radius:10px;background:var(--lavender);color:var(--purple);font-size:24px}.small-icon.coral{background:var(--peach);color:#1c5cbb}.small-icon.green{background:var(--lime);color:#1c5cbb}.section-note{font-size:11px;color:var(--muted);margin-top:22px}.build-section{padding-block:80px;background:#eef4fc;scroll-margin-top:106px}.build-grid{display:grid;grid-template-columns:1.18fr 1fr;gap:60px;align-items:center}.code-panel{min-width:0;background:#0d1f3c;border-radius:13px;color:#e2edfc;overflow:hidden}.code-header{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;font:10px var(--mono);color:#9fb3d6;border-bottom:1px solid #ffffff20}.code-header>span:first-child{display:flex;gap:5px}.code-header i{width:7px;height:7px;border-radius:50%;background:#6682a6}.code-header i:first-child{background:#d8917e}.code-header i:nth-child(2){background:#e3d598}.code-header i:nth-child(3){background:#9bb58c}.code-panel pre{font-size:12px;line-height:1.95;padding:24px;margin:0;overflow-x:auto}.code-comment{color:#9fb3d6}.code-keyword{color:#8bc7fa}.code-string{color:#b6e5ed}.code-footer{border-top:1px solid #ffffff20;padding:14px 22px;font-size:10px;color:#9fb3d6}.capabilities article{display:flex;gap:20px;padding:23px 0;border-bottom:1px solid #dbe6f5}.capabilities article:first-child{padding-top:0}.capabilities article>span{font:11px var(--mono);padding-top:7px;color:var(--purple)}.capabilities h3{font-size:20px}.capabilities p{font-size:13px;color:var(--muted);margin-top:8px}.text-link{display:inline-flex;gap:22px;align-items:center;color:var(--purple);font-size:13px;font-weight:650;min-height:44px;margin-top:20px}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.start-steps{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #dbe6f5;margin-top:42px;padding-top:28px}.start-steps>div{display:flex;gap:12px;align-items:center;font-size:13px}.start-steps span{font-family:var(--mono);width:27px;height:27px;display:grid;place-items:center;border-radius:50%;background:var(--paper);font-size:11px}.start-steps b{font-size:16px;color:#7c90aa;font-weight:400}.pricing-intro{display:grid;grid-template-columns:.85fr 1.15fr;gap:36px;border:1px solid var(--line);padding:36px;border-radius:12px;background:#fff}.label{font-size:12px;color:var(--purple);font-weight:650}.payg h3{font-size:19px;margin-top:10px}.payg h3 strong{font-size:57px;font-weight:650;letter-spacing:-.05em;margin-left:10px}.payg>p{font-size:13px;color:var(--muted);margin-top:8px}.payg .button{margin-top:22px}.rates{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;border-left:1px solid var(--line);padding-left:36px;align-content:center}.rates>div>span{font-size:13px;font-weight:650}.rates p{font-size:12px;margin:10px 0}.rates strong{font-size:37px;font-weight:650;letter-spacing:-.04em}.rates small{display:block;font-size:11px;color:var(--muted)}.rates .rate-note{grid-column:1/-1;border-top:1px solid var(--line);padding-top:15px;margin:0;font-size:11px;color:var(--muted)}.training{margin-top:16px;border:1px solid var(--line);border-radius:10px;font-size:12px}.training summary{cursor:pointer;padding:18px 22px;font-weight:600}.training>div{padding:0 22px 22px;color:var(--muted)}.training p+p{margin-top:12px}.training a{text-decoration:underline}.plans-heading{margin:42px 0 20px}.plans-heading p{font-size:12px;margin-top:8px;color:var(--muted)}.table-scroll{overflow-x:auto}.plans{width:100%;border-collapse:collapse;font-size:13px;text-align:left;white-space:nowrap}.plans caption{text-align:left;font-size:11px;color:var(--muted);margin-bottom:10px}.plans th,.plans td{padding:15px 18px;border-bottom:1px solid var(--line)}.plans thead{background:#eef4fc;font-size:11px;color:var(--muted)}.plans th{font-weight:600}.plans tbody tr:hover{background:#eef4fc}.trust-section{padding:68px 0;background:#eef4fc;border-block:1px solid #dbe6f5}.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.trust-grid h2{font-size:30px}.trust-items article+article{margin-top:24px}.trust-items h3{font-size:16px}.trust-items p{font-size:12px;margin-top:8px;color:var(--muted)}.closing{padding-block:90px;text-align:center;position:relative}.closing .eyebrow{margin-bottom:15px}.closing h2{font-size:43px;line-height:1.5}.closing>p:not(.eyebrow){margin-top:20px;font-size:13px;color:var(--muted)}.closing .button{margin-top:30px;background:var(--purple);border-color:var(--purple)}.footer{border-top:1px solid var(--line);padding-block:30px;display:flex;justify-content:space-between;align-items:center;gap:30px}.footer>div{display:flex;align-items:center;gap:22px}.footer>div>span{font-size:10px;color:var(--muted)}.footer .brand{font-size:23px;gap:8px}.footer .brand small{font-size:9px}.footer nav{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:10px;color:var(--muted)}.footer nav a{min-height:32px;display:flex;align-items:center}
.performance-strip{background:#fff;border-block:1px solid var(--line)}.performance-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-block:26px;gap:32px}.performance-grid article+article{border-left:1px solid var(--line);padding-left:32px}.performance-grid h2{font-size:16px;letter-spacing:-.02em;line-height:1.6}.performance-grid h2 span{color:var(--purple);font:11px var(--mono);margin-right:12px}.performance-grid p{font-size:12px;color:var(--muted);margin-top:7px}.performance-grid a:hover h2{color:var(--purple)}
@media(max-width:1100px){.navigation{gap:24px}.navigation nav{gap:20px}.hero{gap:35px}.hero h1{font-size:43px}.intro{font-size:13px}.actions .button{font-size:12px;padding-inline:20px;gap:18px}.build-grid{gap:35px}.idea{padding:20px}.idea h3{font-size:16px}.pricing-intro{gap:28px;padding:28px}.rates{padding-left:28px}.footer{align-items:start;flex-direction:column}}
@media(max-width:820px){.wrap{width:calc(100% - 40px)}.navigation{flex-wrap:wrap;gap:0 20px;justify-content:space-between;min-height:unset;padding-top:14px}.navigation nav{order:3;margin:8px 0 0;width:100%;justify-content:space-between;gap:10px;font-size:11px}.brand{font-size:27px}.hero{grid-template-columns:1fr;gap:40px;padding-block:45px 55px}.hero h1{font-size:clamp(36px,6.5vw,53px)}.hero-copy{max-width:620px}.intro{font-size:14px}.sdk-line{margin-top:24px}.playground{width:min(100%,500px);justify-self:center}.section{padding-block:58px;scroll-margin-top:130px}.section-heading{display:block;margin-bottom:28px}.section-heading>p{margin-top:16px}.ideas-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.idea.small{display:block}.small-icon{margin-bottom:15px}.idea.small h3{font-size:16px}.build-section{padding-block:58px;scroll-margin-top:130px}.build-grid{grid-template-columns:1fr;gap:28px}.capabilities{display:grid;grid-template-columns:1fr;gap:0}.capabilities article{padding:20px 0}.capabilities h3{font-size:18px}.start-steps{gap:12px}.start-steps>div{font-size:11px;gap:8px}.start-steps span{flex:none}.pricing-intro{grid-template-columns:1fr;gap:30px}.rates{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.trust-grid{grid-template-columns:1fr;gap:30px}.trust-grid h2{font-size:29px}.closing{padding-block:64px}.closing h2{font-size:36px}}
@media(max-width:520px){.performance-grid{grid-template-columns:1fr;gap:18px;padding-block:24px}.performance-grid article+article{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.hero h1{font-size:clamp(30px,8.2vw,42px);letter-spacing:-.065em}.intro{font-size:12px;line-height:2.1}.actions{display:grid;grid-template-columns:1fr}.actions .button{font-size:14px;min-height:52px}.hero-note{font-size:10px}.sdk-line{gap:6px}.sdk-line span{font-size:9px;padding-inline:7px}.playground-top{font-size:8px;padding:15px 18px}.demo-label{font-size:9px}.demo-note{font-size:8px}.ideas-grid{grid-template-columns:1fr}.idea{padding:24px}.idea h3{font-size:18px}.idea.small{display:flex;padding:22px}.idea-art{height:115px}.idea.small h3{font-size:15px}.idea p{font-size:13px}.section-heading h2{font-size:28px}.start-steps{align-items:start;flex-direction:column;gap:14px}.start-steps>div{font-size:13px}.start-steps b{display:none}.code-panel pre{font-size:11px;padding:20px}.code-header{font-size:8px;padding:16px}.code-footer{font-size:9px}.pricing-intro{padding:24px}.rates{gap:20px}.rates strong{font-size:32px}.rates p{font-size:10px}.training summary{font-size:11px;padding:16px}.training>div{padding:0 16px 16px}.closing h2{font-size:32px}.closing>p:not(.eyebrow){font-size:12px}.footer>div{gap:18px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
[hidden]{display:none!important}
.hero-wave{display:inline-flex;align-items:flex-end;gap:3px;height:16px}.hero-wave i{width:3px;height:6px;border-radius:2px;background:var(--purple);animation:hero-bar 1.15s ease-in-out infinite}.hero-wave i:nth-child(2){animation-delay:.15s}.hero-wave i:nth-child(3){animation-delay:.3s}.hero-wave i:nth-child(4){animation-delay:.45s}.hero-wave i:nth-child(5){animation-delay:.6s}
@keyframes hero-bar{0%,100%{height:5px}50%{height:16px}}
.hero-copy>*{animation:hero-rise .7s cubic-bezier(.2,.7,.2,1) both}.hero-copy>:nth-child(2){animation-delay:.08s}.hero-copy>:nth-child(3){animation-delay:.16s}.hero-copy>:nth-child(4){animation-delay:.24s}.hero-copy>:nth-child(5){animation-delay:.32s}.hero-copy>:nth-child(6){animation-delay:.4s}.playground{animation:hero-rise .8s .2s cubic-bezier(.2,.7,.2,1) both}
@keyframes hero-rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
h1>span{background:linear-gradient(90deg,var(--purple) 0%,#2f7fe0 40%,#6aa9ef 50%,#2f7fe0 60%,var(--purple) 100%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:hero-shine 7s linear infinite}
@keyframes hero-shine{from{background-position:0 0}to{background-position:-220% 0}}
.live-demo{padding:18px 22px 6px}.live-demo .voice-orb-wrap{min-height:170px}.live-demo .voice-orb{background:radial-gradient(circle at 32% 28%,#fff,#a3d5fb 55%,#2f7fe0);box-shadow:0 18px 46px #2f7fe055}.live-demo .voice-conversation-status{color:#fff;font-size:14px}.live-demo .voice-conversation-error{color:#ffb4a8}.live-demo .voice-conversation-actions .button{min-height:48px;padding-inline:28px;gap:0}.live-demo .voice-conversation-actions span{color:#9fb3d6;font-family:var(--mono);font-size:12px}.live-demo .voice-conversation-messages{min-height:120px;max-height:220px;background:#ffffff09;border-color:#ffffff20}.live-demo .voice-conversation-messages .empty{color:#9fb3d6;font-size:12px}.live-demo .voice-conversation-messages .message{background:#ffffff14;color:#fff;font-size:13px}.live-demo .voice-conversation-messages .message.user{background:#2f7fe0}.live-demo .demo-note{padding:14px 0 12px}
@media(prefers-reduced-motion:reduce){.hero-copy>*,.playground,.hero-wave i{animation:none}h1>span{animation:none;background:none;color:var(--purple)}}
.demo-prompt{display:block;margin:14px 0 0;color:#9fb3d6;font-size:12px;font-weight:600}.demo-prompt textarea{display:block;width:100%;min-height:132px;margin-top:8px;padding:12px 14px;border:1px solid #ffffff30;border-radius:12px;background:#ffffff0f;color:#fff;font:inherit;font-size:14px;line-height:1.75;resize:vertical;overflow:auto}.demo-prompt textarea:focus-visible{outline:2px solid #85ccff;outline-offset:2px}.demo-prompt textarea:disabled{opacity:.6}
.demo-consent{margin:14px 4px 0;padding:14px 16px;border:1px solid #ffffff30;border-radius:12px;background:#ffffff0f;font-size:12px;line-height:1.8;color:#dbe8fa}.demo-consent strong{color:#fff}.demo-consent p+p{margin-top:8px}.demo-consent a{color:#85ccff;text-decoration:underline;text-underline-offset:3px}.demo-consent-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.demo-consent-actions .button{min-height:42px;padding:10px 18px;gap:0;font-size:13px}.demo-consent-actions .button.outline{color:#fff;border-color:#ffffff50}.demo-consent-actions .button.outline:hover{background:#ffffff14}