:root{--ink:#111315;--muted:#66717a;--blue:#36b9f6;--pale:#eaf7fd;--line:#dce1e4;--paper:#f5f6f6;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft Yahei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:3px solid #1388bf;outline-offset:7px}a:hover{text-decoration:underline;text-underline-offset:5px}img{max-width:100%;display:block}.wrap{max-width:var(--max);margin:auto;padding:0 32px}.nav{height:94px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-size:22px;letter-spacing:-.6px;font-weight:750}.brand img{width:42px;height:42px;border-radius:11px}.brand small{font-size:15px;font-weight:450;letter-spacing:0;margin-left:4px}.links{display:flex;align-items:center;gap:30px;font-size:13px;font-weight:550}.links a[aria-current]{border-bottom:1px solid;padding:8px 0}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;background:var(--ink);color:#fff;padding:17px 24px;border-radius:7px;font-size:14px;font-weight:650;min-height:48px}.button:hover{background:#32373a;text-decoration:none}.button.light{background:#fff;color:var(--ink)}.button.line{background:transparent;color:var(--ink);border:1px solid #b9c2c8}.mono{font:11px/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:1.5px;text-transform:uppercase}.eyebrow{display:flex;align-items:center;gap:10px}.dot{width:6px;height:6px;background:#35b9f6;border-radius:50%}.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;min-height:650px;padding-top:30px;padding-bottom:62px;gap:20px}.hero h1{font-size:clamp(54px,6.8vw,86px);line-height:1.15;letter-spacing:-5px;margin:27px 0 25px;font-weight:780}.hero p{max-width:370px;font-size:17px;line-height:1.9;color:#606970;margin:0 0 28px}.hero .actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.quiet-link{font-size:13px;padding:14px 0;margin-left:3px}.stage{position:relative;height:490px;display:flex;align-items:center;justify-content:center;isolation:isolate}.stage:before{content:"";position:absolute;width:405px;height:405px;border-radius:50%;background:radial-gradient(ellipse at 40% 30%,#f5fbff,#edf7fb 50%,#dceef7);z-index:-1}.stage:after{content:"";position:absolute;width:260px;height:35px;bottom:70px;border-radius:50%;background:#337c9b21;filter:blur(13px);transform:rotate(-8deg)}.hero-icon{width:264px;height:264px;border-radius:59px;transform:rotate(-12deg);box-shadow:9px 18px 0 #1b9fdb,16px 35px 32px #1f6a8e25;animation:float 8s ease-in-out infinite;z-index:2;object-fit:cover}.stage-label{position:absolute;bottom:7px;left:0;right:0;text-align:center;color:#6d7880}.stamp{position:absolute;right:0;top:72px;font:11px/1.6 ui-monospace,monospace;letter-spacing:1px;color:#7c8890;writing-mode:vertical-rl}.scroll-note{border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;color:#73818a}.scroll-note > span:nth-child(2){color:#343f46}.intro-band{background:var(--paper);padding:78px 0}.intro-grid{display:grid;grid-template-columns:1fr 1.8fr;gap:40px;align-items:start}.intro-grid h2{font-size:clamp(25px,3.2vw,40px);font-weight:650;line-height:1.45;letter-spacing:-1.6px;margin:0 0 15px}.intro-grid p{font-size:16px;line-height:1.9;color:#647078;margin:0;max-width:660px}.faq{padding:90px 32px 100px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:42px}.section-head h2{font-size:42px;letter-spacing:-2px;margin:0;font-weight:720}.section-head .mono{color:#6e7a83}.question{border-top:1px solid var(--line);padding:0}.question:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:60px 1fr 30px;gap:20px;align-items:center;padding:28px 0;font-size:21px;font-weight:600}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-size:27px;font-weight:350;text-align:center;color:#6c7880}details[open]>summary:after{content:"−"}summary .mono{font-size:11px;font-weight:400;color:#77828a}.answer{padding:0 62px 28px 80px;max-width:920px;font-size:16px;line-height:1.95;color:#59656e}.answer p{margin:0}.answer a{text-decoration:underline}.help{background:var(--blue);padding:65px 0}.help-inner{display:flex;justify-content:space-between;gap:40px;align-items:center}.help h2{font-size:42px;letter-spacing:-2px;margin:12px 0 14px}.help p{max-width:530px;font-size:15px;line-height:1.9;margin:0;color:#164257}.help .mail{font-size:14px;overflow-wrap:anywhere;text-align:right;margin-bottom:18px}.help-actions{flex-shrink:0}.footer{padding:40px 0;display:flex;justify-content:space-between;gap:25px;align-items:center}.footer-left{display:flex;align-items:center;gap:12px;font-weight:600;font-size:14px}.footer img{width:29px;height:29px;border-radius:8px}.footer-right{font-size:11px;line-height:1.8;color:#7e898f;text-align:right}.footer-right a{margin-left:18px}.skip{position:fixed;left:-9999px;top:12px;z-index:20;padding:14px;background:white}.skip:focus{left:12px}.privacy-hero{padding-top:82px;padding-bottom:72px;position:relative;overflow:hidden}.privacy-hero h1{font-size:clamp(55px,7.1vw,88px);line-height:1.15;letter-spacing:-5px;margin:28px 0}.privacy-hero p{font-size:18px;color:#626e76;line-height:1.9;max-width:540px}.privacy-badge{position:absolute;right:80px;top:130px;width:170px;border-radius:40px;transform:rotate(10deg);box-shadow:6px 11px 0 #22a7e4,15px 27px 35px #d5e8f1}.principles{background:var(--pale);padding:40px 0}.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}.principle-grid h2{font-size:20px;margin:9px 0 10px}.principle-grid p{font-size:14px;line-height:1.9;color:#526772;margin:0}.legal{display:grid;grid-template-columns:230px 1fr;gap:65px;padding-top:72px;padding-bottom:70px}.toc{position:sticky;top:28px;align-self:start}.toc-label{font-weight:600;margin-bottom:19px}.toc a{display:block;font-size:12px;color:#6a767e;line-height:1.6;padding:6px 0}.legal article section{border-top:1px solid var(--line);padding:28px 0 30px;scroll-margin-top:30px}.legal article section:first-child{border-top:0;padding-top:0}.legal h2{font-size:22px;line-height:1.5;margin:0 0 17px;letter-spacing:-.5px}.legal h2 .num{display:block;font:10px ui-monospace,monospace;color:#89959c;letter-spacing:1px;margin-bottom:10px}.legal p{font-size:15px;line-height:2;color:#54616a;margin:0;overflow-wrap:anywhere}.meta{font-size:11px;color:#7d8991}.reading-note{font-size:12px;line-height:1.8;border-top:1px solid var(--line);padding:18px 0;color:#7a878f}.app-strip{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center;max-height:430px;overflow:hidden;background:#f7f8f8;border-radius:12px;margin-top:50px}.app-strip .copy{padding:45px}.app-strip .copy h3{font-size:28px;letter-spacing:-1px;margin:14px 0;line-height:1.4}.app-strip .copy p{font-size:14px;line-height:1.8;color:#6c7a83}.screen{height:420px;overflow:hidden;padding-top:40px;transform:rotate(7deg);width:240px;margin-left:25px}.screen img{width:235px;border:5px solid #191c1d;border-radius:30px;box-shadow:0 20px 50px #2738481c}.interface-caption{font-size:10px;color:#8c969b;margin-top:14px}.nav .contact-nav{padding:12px 18px;min-height:44px;font-size:12px}.mobile-toc{display:none}
@keyframes float{0%,100%{transform:translateY(0) rotate(-12deg)}50%{transform:translateY(-10px) rotate(-9deg)}}
@media(max-width:800px){.wrap{padding-left:24px;padding-right:24px}.nav{height:80px}.brand{font-size:20px}.brand small{display:none}.brand img{width:34px;height:34px;border-radius:9px}.links{gap:19px;font-size:12px}.nav .contact-nav{display:none}.hero{grid-template-columns:1fr;gap:0;min-height:0;padding-top:40px;padding-bottom:30px}.hero h1{font-size:57px;letter-spacing:-3px;margin:22px 0}.hero p{font-size:15px;max-width:320px;margin-bottom:23px}.stage{height:350px;margin-top:15px}.stage:before{width:285px;height:285px}.hero-icon{width:186px;height:186px;border-radius:43px;box-shadow:6px 12px 0 #1b9fdb,13px 24px 26px #1f6a8e25}.stage:after{width:180px;height:22px;bottom:48px}.stage-label{bottom:0;font-size:9px}.stamp{right:8px;top:56px;font-size:9px}.scroll-note{font-size:9px;letter-spacing:.5px;gap:10px}.scroll-note > span:nth-child(2){display:none}.intro-band{padding:45px 0}.intro-grid{grid-template-columns:1fr;gap:22px}.intro-grid h2{font-size:28px;letter-spacing:-1px}.intro-grid p{font-size:14px}.faq{padding:55px 24px 60px}.section-head{margin-bottom:28px}.section-head h2{font-size:32px;letter-spacing:-1px}.section-head .mono{font-size:9px}summary{grid-template-columns:24px 1fr 22px;gap:12px;font-size:17px;padding:24px 0}.answer{font-size:14px;padding:0 12px 25px 36px}.help{padding:42px 0}.help-inner{display:block}.help h2{font-size:32px;letter-spacing:-1px}.help p{font-size:13px}.help-actions{margin-top:30px;display:flex;flex-direction:column;align-items:start}.help .mail{text-align:left;order:2;margin:17px 0 0;font-size:12px}.footer{padding-top:30px;padding-bottom:30px;align-items:start}.footer-right{font-size:9px}.footer-right a{margin-left:10px}.footer-left{font-size:12px}.privacy-hero{padding-top:40px;padding-bottom:45px}.privacy-hero h1{font-size:52px;letter-spacing:-2.8px;position:relative;z-index:1}.privacy-hero p{font-size:15px;max-width:285px}.privacy-badge{width:85px;right:23px;top:65px;border-radius:20px;opacity:.16;box-shadow:none}.principles{padding:30px 0}.principle-grid{grid-template-columns:1fr;gap:25px}.principle-grid>div+div{border-top:1px solid #cfe5ef;padding-top:22px}.principle-grid h2{font-size:19px}.principle-grid p{font-size:13px}.legal{display:block;padding-top:35px;padding-bottom:35px}.toc{display:none}.mobile-toc{display:block;border-bottom:1px solid var(--line);margin-bottom:35px}.mobile-toc summary{display:flex;justify-content:space-between;font-size:15px;padding:0 0 18px}.mobile-toc nav{padding:0 0 24px;display:grid;grid-template-columns:1fr 1fr;gap:12px}.mobile-toc a{font-size:11px;line-height:1.7;color:#5e6e78}.legal article section{padding:24px 0}.legal h2{font-size:20px}.legal p{font-size:14px}.app-strip{grid-template-columns:1fr 135px;gap:0;max-height:260px;margin-top:35px}.app-strip .copy{padding:24px}.app-strip .copy h3{font-size:22px}.app-strip .copy p{font-size:12px}.screen{width:130px;height:270px;padding-top:27px;margin-left:0}.screen img{width:128px;border-width:3px;border-radius:18px}.interface-caption{font-size:9px}.app-strip .mono{font-size:8px}.button{padding:15px 19px;font-size:13px}.quiet-link{font-size:12px}.hero .actions{gap:18px}}
@media(max-width:360px){.links{gap:12px}.hero h1{font-size:51px}.privacy-hero h1{font-size:46px}.app-strip{grid-template-columns:1fr 110px}.app-strip .copy{padding:20px}.screen{width:115px}.hero p{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-icon{animation:none}}
/* Keep the original square mark undistorted at every breakpoint. */
.privacy-badge{height:auto;aspect-ratio:1}

/* Three-page navigation remains readable on narrow phones. */
@media(max-width:600px){.nav{height:auto;min-height:100px;flex-wrap:wrap;gap:14px;padding-top:18px;padding-bottom:18px}.nav .links{width:100%;justify-content:space-between;gap:14px}.footer{flex-wrap:wrap}.footer-right{text-align:left}.footer-right a:first-of-type{margin-left:0}}

.language-switch{position:relative;flex-shrink:0;z-index:12}.language-switch summary{display:flex;font-size:12px;font-weight:500;gap:9px;padding:10px 0;white-space:nowrap}.language-switch summary:after{content:"⌄";font-size:15px}.language-switch nav{position:absolute;right:0;top:40px;width:165px;background:#fff;border:1px solid #dce4e8;border-radius:9px;box-shadow:0 12px 35px #1536471a;padding:9px}.language-switch nav a{display:block;padding:10px 12px;font-size:12px;border-radius:5px}.language-switch nav a[aria-current]{background:#edf7fc}.nav{gap:25px}.nav .links{margin-left:auto;gap:25px}.site-language-note{border-top:1px solid #dce1e4;margin:0;padding-top:24px;font-size:11px;line-height:1.9;color:#84939c}.local-promise{display:inline-block;font-size:13px;color:#147ea8;background:#edf8fd;border:1px solid #d7edf6;padding:8px 12px;border-radius:5px;margin:5px 0 15px}.device-boundary{font-size:11px;line-height:1.9;color:#9eb5c0;border-top:1px solid #3b505b;padding-top:24px;margin:40px 0 0}.duo-outline{width:48px;height:48px;border-radius:6px}.duo-outline:after{content:"";position:absolute;height:100%;left:50%;border-left:1px solid #a8cfdf}.tablet-outline{width:43px;height:60px;border-radius:6px}.mac-outline{width:50px;height:35px;border-radius:4px;margin-top:12px}.mac-outline:after{content:"";position:absolute;width:60px;height:4px;background:#a8cfdf;left:-7px;bottom:-8px;border-radius:3px}.watch-option{grid-column:1/-1;max-width:750px}@media(max-width:800px){.nav .links{gap:17px}.site-language-note{font-size:10px}.local-promise{font-size:11px}}@media(max-width:600px){.nav .brand{order:0}.nav .language-switch{order:1;margin-left:auto}.nav .links{order:2;width:100%;margin-left:0}.language-switch summary{font-size:11px}.watch-option{grid-column:auto}}

html[lang="en"] .hero h1{font-size:clamp(44px,5.1vw,68px);letter-spacing:-3px}html[lang="en"] .privacy-hero h1{font-size:clamp(45px,6vw,76px);letter-spacing:-3px}html[lang="en"] .product-heading h2,html[lang="en"] .daily-copy h2{font-size:clamp(34px,4.4vw,55px);letter-spacing:-2px}html[lang="en"] .links{font-size:12px}html[lang="ja"] .hero h1{font-size:clamp(43px,5.1vw,66px);letter-spacing:-2px}html[lang="ja"] .product-heading h2,html[lang="ja"] .daily-copy h2{font-size:clamp(34px,4.5vw,55px);letter-spacing:-2px}.hero>div{min-width:0}.product-heading,.privacy-hero,.question,.help-inner>div{overflow-wrap:anywhere}.language-switch summary::after{content:"⌄"}.site-language-note{overflow-wrap:anywhere}@media(max-width:800px){html[lang="en"] .hero h1{font-size:43px;letter-spacing:-2px}html[lang="ja"] .hero h1{font-size:43px;letter-spacing:-2px}html[lang="en"] .privacy-hero h1{font-size:44px;letter-spacing:-2px}html[lang="en"] .hero p{font-size:16px}html[lang="en"] .hero .hero-detail{font-size:13px}.demo-choices{flex-wrap:wrap}html[lang="en"] .section-head{align-items:start;flex-wrap:wrap}.footer{flex-wrap:wrap}}@media(max-width:360px){html[lang="en"] .hero h1{font-size:35px}html[lang="ja"] .hero h1{font-size:37px}html[lang="en"] .privacy-hero h1{font-size:37px}.language-switch nav{width:155px}.nav .links{font-size:11px}.help .mail{font-size:11px}}
html[lang="en"] .brand small,html[lang="ja"] .brand small{display:none}
/* Keep the Japanese headline together instead of leaving a short ending alone. */
html[lang="ja"] .hero h1{font-size:clamp(40px,4.4vw,56px);letter-spacing:-2px}
@media(max-width:800px){html[lang="ja"] .hero h1{font-size:clamp(27px,8.5vw,43px);letter-spacing:-1.5px}}