:root{color-scheme:dark;--bg:#07101d;--surface:#0d1828;--surface2:#111f33;--line:#20314a;--text:#f1f5ff;--muted:#91a0b8;--mint:#61dbc2;--blue:#86a7ff;--coral:#f7a27d;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--bg);overflow-x:hidden}a{color:inherit}.ambient{position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 83% 9%,#0b4c5366,transparent 31%),radial-gradient(circle at 8% 31%,#193e8350,transparent 27%),linear-gradient(#07101dee,#07101d);pointer-events:none}.ambient:after{content:"";position:absolute;inset:0;background-image:linear-gradient(#89a8d108 1px,transparent 1px),linear-gradient(90deg,#89a8d108 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent 68%)}.site-head{height:74px;display:flex;align-items:center;gap:32px;padding:0 clamp(22px,5vw,78px);border-bottom:1px solid #ffffff12;background:#07101dc7;backdrop-filter:blur(18px);position:sticky;top:0;z-index:20}.wordmark{display:flex;align-items:center;gap:10px;font-weight:750;text-decoration:none;letter-spacing:-.3px}.mark{display:grid;place-items:center;width:35px;height:35px;border-radius:11px;background:linear-gradient(145deg,#a7baff,#5f78ce);box-shadow:0 8px 25px #5878e744;color:#07101d;font-size:22px}.site-head nav{display:flex;gap:26px;margin-left:auto}.site-head nav a{color:var(--muted);font-size:13px;text-decoration:none}.site-head nav a:hover{color:var(--text)}.language{display:flex;padding:3px;border:1px solid var(--line);border-radius:10px;background:#0b1523}.language button{border:0;border-radius:7px;padding:7px 9px;background:transparent;color:var(--muted);font-weight:700}.language button[aria-pressed=true]{background:#1b2c45;color:#fff}.hero{min-height:740px;display:grid;grid-template-columns:minmax(330px,.8fr) minmax(600px,1.45fr);align-items:center;gap:6vw;max-width:1500px;margin:auto;padding:88px clamp(24px,5vw,78px) 70px}.eyebrow{margin:0 0 20px;color:#7f9bd3;font-size:11px;font-weight:800;letter-spacing:2.5px}.hero h1{margin:0;font-size:clamp(55px,6.6vw,104px);line-height:.95;letter-spacing:-5px}.hero h1 em{color:transparent;background:linear-gradient(90deg,var(--mint),var(--blue));background-clip:text;font-style:normal}.lead{max-width:610px;margin:30px 0 0;color:#afbad0;font-size:clamp(17px,1.4vw,22px);line-height:1.65}.actions{display:flex;gap:12px;margin-top:36px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 21px;border-radius:11px;font-size:13px;font-weight:750;text-decoration:none}.primary{color:#061019;background:#d9e4ff;box-shadow:0 12px 35px #84a5ff30}.secondary{border:1px solid var(--line);background:#0b1625;color:#c7d2e7}.trust{display:flex;gap:18px;margin-top:25px;color:#7f8da4;font-size:11px}.trust span{display:flex;align-items:center;gap:7px}.trust i,.live i{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 13px var(--mint)}.product-stage{position:relative;padding:18px;border:1px solid #314866;border-radius:22px;background:linear-gradient(145deg,#101e31e8,#091321f2);box-shadow:0 42px 100px #0008,0 0 65px #3e7cff18;transform:perspective(1200px) rotateY(-4deg)}.stage-top{display:flex;justify-content:space-between;padding:2px 3px 15px;color:#a8b6cc;font-size:10px;letter-spacing:1.5px}.live{display:flex;align-items:center;gap:7px}.mini-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.mini-cards article{min-width:0;padding:15px;border:1px solid #263a57;border-top-color:var(--accent);border-radius:13px;background:#0d1726}.service{display:grid;grid-template-columns:27px 1fr;grid-template-rows:auto auto;column-gap:7px}.service>span{grid-row:1/3;display:grid;place-items:center;width:27px;height:27px;border-radius:8px;color:var(--accent);background:color-mix(in srgb,var(--accent),transparent 86%)}.service b{font-size:13px}.service small{color:#7e8ca3;font-size:8px}.dial{width:min(150px,85%);aspect-ratio:1;margin:25px auto 22px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle,#101c2e 54%,transparent 55%),conic-gradient(var(--accent) calc(var(--value)*1%),#23324a 0);box-shadow:0 0 28px color-mix(in srgb,var(--accent),transparent 72%)}.dial strong{font-size:36px;letter-spacing:-2px}.dial strong small{font-size:15px}.dial span{color:#8290a7;font-size:8px}.bar,.float-card div{height:5px;border-radius:6px;background:#25344c;overflow:hidden}.bar i,.float-card div i{display:block;height:100%;width:calc(var(--value)*1%);background:var(--accent)}.mini-cards article>p{display:flex;justify-content:space-between;color:#8997ad;font-size:9px}.mini-cards article>p b{color:#dce5f5}.float-card{position:absolute;left:-75px;bottom:-62px;width:178px;padding:13px;border:1px solid #31526a;border-radius:14px;background:#091522e8;backdrop-filter:blur(16px);box-shadow:0 20px 55px #000a}.float-card .pin{display:block;margin-bottom:12px;color:var(--mint);font-size:8px}.float-card>b{font-size:10px}.float-card>strong{display:block;margin:6px 0;font-size:30px}.float-card div i{width:30%;background:var(--mint)}.float-card small{display:block;margin-top:7px;color:#a6b3c7}.statement{display:flex;justify-content:space-between;align-items:end;gap:30px;max-width:1360px;margin:70px auto 0;padding:70px clamp(24px,5vw,70px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.statement>p{max-width:740px;margin:0;font-size:clamp(30px,4vw,58px);line-height:1.08;letter-spacing:-2px}.signals{display:flex;gap:28px}.signals span{font-size:25px;font-weight:700}.signals small{display:block;margin-top:6px;color:var(--muted);font-size:9px;font-weight:500;text-transform:uppercase;letter-spacing:1.4px}.features{max-width:1360px;margin:auto;padding:130px clamp(24px,5vw,70px)}.section-head{display:flex;justify-content:space-between;align-items:end}.section-head h2{margin:0;font-size:clamp(42px,5vw,72px);line-height:1;letter-spacing:-3px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:70px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.feature-grid article{min-height:235px;padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#0b152182}.feature-grid article>span{color:#60728e;font:10px ui-monospace,monospace}.feature-grid h3{margin:35px 0 12px;font-size:20px}.feature-grid p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}.privacy-block,.showcase{max-width:1220px;margin:0 auto 120px;padding:60px;display:grid;grid-template-columns:1fr 1fr;gap:80px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(135deg,#101d2e,#09131f)}.privacy-block h2,.showcase h2{margin:0;font-size:clamp(34px,4vw,57px);line-height:1.05;letter-spacing:-2px}.privacy-block>div:last-child,.showcase>div{align-self:end}.privacy-block p,.showcase p{color:var(--muted);font-size:14px;line-height:1.8}.privacy-block a,.showcase a{color:#adc3ff;font-size:12px}.showcase{grid-template-columns:1.25fr .75fr;align-items:center}.showcase img{display:block;width:100%;border-radius:12px;box-shadow:0 18px 60px #0008}.final-cta{text-align:center;padding:80px 24px 115px}.final-cta .mark{margin:auto}.final-cta h2{margin:25px 0 10px;font-size:clamp(44px,6vw,80px);letter-spacing:-3px}.final-cta p{margin:0 auto 30px;color:var(--muted)}footer{display:flex;justify-content:space-between;gap:25px;padding:25px clamp(22px,5vw,78px);border-top:1px solid var(--line);color:#73829a;font-size:10px}footer a{color:#9eacc2}@media(max-width:1000px){.site-head nav{display:none}.hero{grid-template-columns:1fr;padding-top:65px}.hero-copy{max-width:760px}.product-stage{transform:none}.float-card{left:auto;right:-10px}.feature-grid{grid-template-columns:repeat(2,1fr)}.privacy-block,.showcase{grid-template-columns:1fr;gap:40px}.showcase>div{order:-1}}@media(max-width:640px){.site-head{height:auto;min-height:66px;padding:12px 16px;gap:10px;flex-wrap:wrap}.language{margin-left:auto}.language button{padding:6px}.hero{min-height:0;padding:55px 18px 80px}.hero h1{font-size:52px;letter-spacing:-3px}.actions,.trust{flex-wrap:wrap}.product-stage{padding:10px}.mini-cards{gap:5px}.mini-cards article{padding:8px}.dial{margin:14px auto;width:90%}.dial strong{font-size:24px}.service small{display:none}.float-card{display:none}.statement{align-items:start;flex-direction:column;margin-top:0;padding:50px 20px}.signals{width:100%;justify-content:space-between;gap:10px}.signals span{font-size:20px}.features{padding:90px 20px}.section-head{align-items:start;flex-direction:column}.feature-grid{grid-template-columns:1fr;margin-top:45px}.privacy-block,.showcase{margin:0 18px 80px;padding:30px}.final-cta h2{font-size:47px}footer{align-items:center;flex-direction:column;text-align:center}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Refined bilingual presentation: readable details and two-line Japanese hero. */
html[data-language="ja"] .hero h1{font-size:clamp(46px,5vw,78px);letter-spacing:-3.5px;white-space:nowrap}
.stage-top{font-size:12px}.service b{font-size:15px}.service small{font-size:10px}.dial span{font-size:10px}.mini-cards article>p{font-size:11px}.float-card .pin{font-size:10px}.float-card>b{font-size:12px}.float-card small{font-size:11px}.signals small{font-size:11px}.feature-grid p,.privacy-block p,.showcase p{font-size:15px}.privacy-block a,.showcase a{font-size:14px}footer{font-size:12px}
@media(max-width:1000px){.site-head{height:auto;min-height:74px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}.site-head nav{order:3;display:flex;width:100%;justify-content:center;gap:22px;margin:0}.hero{grid-template-columns:1fr}.hero-copy{max-width:820px}}
@media(max-width:640px){.site-head nav{gap:14px;overflow-x:auto;justify-content:flex-start}.site-head nav a{font-size:12px;white-space:nowrap}html[data-language="ja"] .hero h1{font-size:clamp(36px,10.5vw,52px);letter-spacing:-2.5px}.stage-top{font-size:11px}.service b{font-size:13px}.service small{font-size:9px}.dial span{font-size:9px}}

/* Copy fits the available hero column in both languages. */
.hero-copy{container-type:inline-size}.hero h1{font-size:clamp(26px,9cqw,72px);line-height:1.15;letter-spacing:-.035em}html[data-language="ja"] .hero h1{font-size:clamp(18px,6.8cqw,54px);line-height:1.35;letter-spacing:-.025em}

.release-note{color:var(--muted);font-size:15px;line-height:1.7;border-left:2px solid var(--line);padding:12px 18px;margin:0 0 40px}html[data-language="ja"] .hero h1{font-size:clamp(32px,4.3vw,62px);line-height:1.3}@media(max-width:420px){.hero h1{font-size:clamp(28px,7.5vw,36px)}}

/* In-page guide: readable chapters with a separate, responsive table of contents. */
.usage-guide{max-width:1360px;margin:0 auto;padding:60px clamp(20px,5vw,70px) 90px;scroll-margin-top:110px;border-top:1px solid var(--line)}.guide-heading{margin-bottom:48px}.guide-heading h2{font-size:clamp(34px,4.5vw,62px);line-height:1.25;letter-spacing:-.035em;white-space:pre-line;margin:0 0 20px}.guide-intro{font-size:18px;line-height:1.8;max-width:65ch;color:#bfccdf}.guide-heading>small{font-size:13px;line-height:1.7;color:var(--muted)}.guide-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start}.guide-toc{position:sticky;top:98px;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:20px;font-size:14px;line-height:1.6}.guide-toc strong{display:block;margin-bottom:15px}.guide-toc ol{margin:0;padding-left:20px}.guide-toc li{padding:6px 0}.guide-toc a{color:var(--muted);text-decoration:none}.guide-toc a:hover,.guide-toc a:focus-visible{color:var(--mint)}.guide-chapters{min-width:0}.guide-chapter{padding:0 0 38px;margin-bottom:38px;border-bottom:1px solid var(--line);scroll-margin-top:110px}.guide-chapter h3{display:flex;align-items:baseline;gap:14px;font-size:25px;line-height:1.5;margin:0 0 24px;letter-spacing:-.015em}.guide-chapter h3>span:first-child{font-size:13px;color:var(--mint);font-family:ui-monospace,monospace;flex:none}.guide-chapter p,.guide-chapter li{font-size:16px;line-height:1.9;color:#b9c7dc;overflow-wrap:anywhere}.guide-chapter ul,.guide-steps{padding-left:24px;margin:20px 0}.guide-chapter li{padding-left:5px;margin:12px 0}.guide-steps li::marker{color:var(--mint);font-weight:700}.guide-note{background:#102337;border-left:3px solid var(--blue);padding:16px 18px;border-radius:0 9px 9px 0}.guide-table{margin:24px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden}.guide-table table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14px;line-height:1.8}.guide-table th,.guide-table td{text-align:left;vertical-align:top;padding:12px 16px;overflow-wrap:anywhere;border-bottom:1px solid var(--line)}.guide-table th:first-child{width:32%}.guide-table thead{background:#15253b;color:#dbe6f7}.guide-table tbody th{font-weight:600;color:#d2dff2}.guide-table td{color:#aebed6}.guide-table tr:last-child th,.guide-table tr:last-child td{border-bottom:0}.guide-link{display:block;width:fit-content;max-width:100%;margin:15px 0;color:#adc3ff;font-size:15px;line-height:1.7;overflow-wrap:anywhere}a:focus-visible,button:focus-visible{outline:2px solid var(--mint);outline-offset:4px}
@media(max-width:900px){.guide-layout{grid-template-columns:1fr;gap:38px}.guide-toc{position:static}.guide-toc ol{display:grid;grid-template-columns:1fr 1fr;column-gap:35px}.guide-chapter{scroll-margin-top:150px}}
@media(max-width:480px){.usage-guide{padding:35px 18px 50px;scroll-margin-top:150px}.guide-heading{margin-bottom:30px}.guide-heading h2{font-size:34px}.guide-toc{padding:16px}.guide-toc ol{grid-template-columns:1fr;gap:0}.guide-chapter h3{font-size:22px}.guide-chapter p,.guide-chapter li{font-size:15px}.guide-table th,.guide-table td{padding:10px 9px}.guide-table table{font-size:13px}.guide-table th:first-child{width:34%}}

.actual-preview{margin:0;padding:8px;border:1px solid var(--line);border-radius:18px;overflow:hidden;transform:none}.actual-preview img{display:block;width:100%;height:auto;border-radius:12px}.actual-preview figcaption{padding:10px;font-size:11px;color:#acbdd3;line-height:1.5}.hero:has(.actual-preview){grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr)}@media(max-width:900px){.hero:has(.actual-preview){grid-template-columns:1fr}}