@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');
:root{--teal:#159f9d;--ink:#223e3e;--muted:#637573;--cream:#f6f8f3}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);font-family:'Noto Sans JP',sans-serif;font-size:14px;line-height:1.9}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #d89e38;outline-offset:5px}header{height:92px;max-width:1440px;margin:auto;display:flex;align-items:center;padding:0 5%;gap:40px}.brand{display:flex;align-items:center;gap:9px;font-family:Arial,sans-serif;font-size:39px;letter-spacing:-2px;font-weight:bold;color:var(--teal);line-height:1}.brand img{width:35px;border-radius:9px}.dot{color:var(--teal)}nav{display:flex;gap:30px;margin-left:auto;font-size:12px;font-weight:600}.header-cta{border:1px solid #b4d4ce;border-radius:40px;padding:11px 24px;font-size:12px;color:#318a82}.hero{display:grid;grid-template-columns:48% 52%;max-width:1440px;margin:auto;min-height:690px}.hero-copy{padding:48px 10% 45px 12%}.eyebrow{font-family:Arial,sans-serif;font-size:10px;font-weight:700;letter-spacing:2.2px;color:var(--teal);display:flex;align-items:center;gap:10px}.eyebrow span{height:6px;width:6px;background:var(--teal);border-radius:50%}h1{font-size:48px;line-height:1.65;letter-spacing:1px;margin:24px 0 20px;font-weight:700}h1 em{font-style:normal;color:var(--teal)}.intro{color:var(--muted);line-height:2.15;margin-bottom:25px}.download{border:0;border-radius:9px;background:var(--teal);color:#fff;display:flex;align-items:center;gap:15px;padding:16px 23px;width:305px;text-align:left;font-family:inherit;font-weight:700;font-size:19px;box-shadow:0 8px 20px #169c991a}.download small{display:block;font-size:10px;font-weight:400;letter-spacing:1px}.download-icon{font-size:28px}.arrow{margin-left:auto}.fine{font-size:10px;color:#7d8b88;line-height:1.8}.text-link{display:inline-flex;gap:38px;font-size:11px;margin-top:22px;border-bottom:1px solid #c1d1cc;padding-bottom:7px}.hero-visual{position:relative;overflow:hidden;background:#e2eddf;border-radius:100px 0 0 0}.hero-visual>img{width:100%;height:100%;position:absolute;object-fit:cover;object-position:center 35%}.hero-visual:after{content:'';position:absolute;inset:50% 0 0;background:linear-gradient(transparent,#14372b70)}.photo-note{position:absolute;bottom:47px;left:40px;z-index:1;color:white;font-size:21px;letter-spacing:2px}.photo-note small{display:block;font-family:Georgia,serif;font-style:italic;font-size:14px;letter-spacing:1px;margin-top:4px}.vertical{position:absolute;right:18px;top:30px;writing-mode:vertical-rl;color:white;font:9px Arial;letter-spacing:3px;z-index:1}.ribbon{background:#e8f2eb;display:flex;align-items:center;justify-content:space-around;gap:20px;padding:22px 5%;font-size:12px;color:#4e7670}.ribbon i{color:#7eaaa0;font-size:22px;font-style:normal}.section{padding:92px 7%;max-width:1280px;margin:auto}h2{font-size:30px;line-height:1.75;letter-spacing:1px;margin:16px 0 20px}.about{display:grid;grid-template-columns:1fr 1fr;gap:20px}.section-intro{align-self:center;justify-self:center;color:var(--muted);font-size:13px}.features{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:35px}.features article{border-top:1px solid #ceded8;padding-top:16px}.num{font:10px Arial;letter-spacing:1.5px;color:#7e9490}.symbol{font:49px Georgia;color:var(--teal);margin:25px 0 15px}h3{font-size:16px;margin:0 0 12px}.features p{font-size:12px;color:var(--muted);max-width:290px}.installation{max-width:none;background:var(--cream);display:grid;grid-template-columns:1fr 1.35fr;gap:40px;padding-left:max(7%,calc((100vw - 1100px)/2));padding-right:max(7%,calc((100vw - 1100px)/2))}.installation>div>p:not(.eyebrow){color:var(--muted);font-size:12px}.pill{display:inline-block;border:1px solid #bbcfbf;border-radius:20px;padding:3px 16px;font:11px/2 Arial;color:#608174;margin-top:14px}ol{list-style:none;padding:0;margin:0}li{display:flex;gap:24px;padding:25px 0;border-bottom:1px solid #d7e1d6}li:first-child{padding-top:5px}li>span{font:italic 28px Georgia;color:var(--teal)}li p{font-size:12px;color:var(--muted);margin:0}.install-note{grid-column:1/-1;font-size:10px;color:#7a8980;margin:0}.faq{max-width:1000px}.faq h2{font-size:26px;margin-bottom:35px}details{border-bottom:1px solid #dae4df}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;padding:24px 0;font-size:13px;font-weight:500}summary::-webkit-details-marker{display:none}summary span{color:var(--teal)}details p{font-size:12px;color:var(--muted);padding-bottom:20px;margin:0;max-width:760px}details a{text-decoration:underline}.closing{background:#e3efea;text-align:center;padding:65px 20px 75px}.closing .eyebrow{justify-content:center}.closing h2{font-size:32px}.closing-link{display:inline-flex;gap:45px;color:#278b81;border-bottom:1px solid #93b7ac;padding-bottom:10px;font-size:12px}footer{padding:45px 6%;display:flex;gap:25px;align-items:center;flex-wrap:wrap}footer .brand{font-size:31px}footer .brand img{width:28px}footer>div{display:flex;gap:25px;margin-left:auto;font-size:10px}footer>small{width:100%;text-align:right;font-size:9px;color:#849690}.mobile-bar{display:none}button:disabled{cursor:default} @media(min-width:1500px){.hero{margin-bottom:0}.hero-visual{border-radius:100px 16px 0 0}}@media(max-width:850px){header{height:72px;padding:0 6%}nav{display:none}.header-cta{margin-left:auto;padding:8px 16px;font-size:10px}.brand{font-size:33px}.hero{grid-template-columns:1fr 1fr;min-height:640px}.hero-copy{padding:35px 9%}h1{font-size:34px}.download{width:100%;font-size:16px;padding:13px}.photo-note{left:25px;font-size:17px}.features{gap:22px}.section{padding:65px 6%}h2{font-size:26px}.ribbon{font-size:10px;gap:10px}.ribbon i{font-size:16px}.installation{gap:24px}.section-intro{font-size:11px}footer>div{gap:15px}}@media(max-width:700px){body{padding-bottom:85px}header{height:67px}.brand img{width:29px}.header-cta{border:0;padding-right:0}.hero{display:flex;flex-direction:column;position:relative}.hero-copy{padding:30px 7% 28px;z-index:1}.hero-copy .eyebrow{font-size:9px}h1{font-size:36px;line-height:1.6;margin:20px 0 17px}.intro{font-size:12px;margin-bottom:22px}.download{width:100%;max-width:355px;justify-content:flex-start;padding:14px 20px;font-size:18px}.fine{font-size:9px}.text-link{margin-top:13px}.hero-visual{height:430px;border-radius:65px 0 0 0;margin-left:7%;width:93%}.hero-visual>img{object-position:center 36%}.photo-note{bottom:26px;font-size:18px}.ribbon{padding:19px 6%;flex-wrap:wrap;gap:8px 13px;justify-content:center}.ribbon span:last-child,.ribbon i:last-of-type{display:none}.ribbon span{font-size:9px}.section{padding:55px 7%}.about{display:block}h2{font-size:25px}.section-intro{justify-self:start;margin:22px 0 30px;font-size:12px}.features{display:block;margin-top:30px}.features article{position:relative;padding:17px 0 19px 58px}.symbol{position:absolute;left:0;top:37px;font-size:35px;margin:0}.num{font-size:9px}.features h3{font-size:15px;margin-top:13px}.features p{max-width:none;margin-bottom:0}.installation{display:block}.installation ol{margin-top:32px}li{gap:20px;padding:22px 0}li h3{font-size:14px}li p{font-size:11px}.install-note{margin-top:20px}.faq h2{font-size:22px}.faq summary{font-size:12px;gap:15px;padding:20px 0}.closing{padding:45px 7% 50px}.closing h2{font-size:26px}footer{padding:35px 7%;display:block}footer>div{flex-wrap:wrap;gap:12px 20px;margin:25px 0 15px}footer>small{text-align:left}.mobile-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:10;background:#fffffff5;backdrop-filter:blur(15px);border-top:1px solid #dce8e3;align-items:center;padding:12px 6%;gap:10px}.mobile-bar>img{width:37px;border-radius:10px}.mobile-bar strong,.mobile-bar small{display:block;font-size:11px;line-height:1.7}.mobile-bar small{font-size:9px;color:var(--muted)}.mobile-bar button{margin-left:auto;background:var(--teal);color:white;border:0;padding:12px 24px;border-radius:7px;font-family:inherit;font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.brand img{width:40px;box-shadow:0 4px 12px #129d9824;border-radius:12px}.download-icon{display:flex;align-items:center}.mobile-bar>img{box-shadow:0 3px 9px #129d9824}.brand{gap:12px}footer .brand img{width:32px}

/* Preserve the complete supplied campaign image and its embedded headline. */
.hero{display:flex;flex-direction:column;min-height:0;padding:0 5%}.hero-visual{order:-1;position:relative;width:100%;height:auto;aspect-ratio:30/13;border-radius:18px;margin:0;background:transparent;overflow:hidden}.hero-visual>img{position:static;display:block;width:100%;height:auto;object-fit:contain}.hero-visual:after{display:none}.hero-copy{display:grid;grid-template-columns:1fr 1fr;column-gap:9%;padding:35px 5% 40px}.hero-copy>.eyebrow{grid-column:1/-1;margin:0 0 15px}.hero-copy h1{grid-column:1;grid-row:2/4;font-size:38px;line-height:1.6;margin:0}.hero-copy .intro{grid-column:2;grid-row:2;margin:0 0 18px}.download-block{grid-column:2;grid-row:3}.hero-copy .text-link{grid-column:1;grid-row:4;justify-self:start;margin-top:10px}.hero-copy .download{max-width:355px;width:100%}
@media(max-width:700px){.hero{padding:0}.hero-visual{border-radius:12px;width:calc(100% - 28px);margin:0 14px}.hero-copy{display:block;padding:25px 7% 28px}.hero-copy h1{font-size:31px;line-height:1.6;margin:15px 0}.hero-copy .intro{margin:0 0 20px}.hero-copy .download{max-width:none}.hero-copy .text-link{margin-top:12px}}
/* Native dialog keeps keyboard focus within the installation guide. */
body.guide-open{overflow:hidden}.install-dialog{padding:0;border:0;border-radius:22px;width:min(600px,calc(100% - 32px));max-height:90vh;max-height:90dvh;color:var(--ink);box-shadow:0 25px 100px #183d4150;overflow:hidden;background:#fff}.install-dialog[open]{display:flex;flex-direction:column}.install-dialog::backdrop{background:#183c4166;backdrop-filter:blur(5px)}.guide-header{display:flex;align-items:center;justify-content:space-between;flex-shrink:0;border-bottom:1px solid #e7eeeb;padding:15px 25px}.guide-brand{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600}.guide-brand img{width:32px;height:32px;border-radius:8px}.guide-close{display:grid;place-items:center;border:0;border-radius:50%;background:#f1f6f3;color:#466963;width:36px;height:36px;cursor:pointer;font:26px Arial}.guide-body{padding:22px 30px 12px;overflow-y:auto;overscroll-behavior:contain;min-height:0}.guide-body>.eyebrow{font-size:9px;margin:0}.guide-body>h2{font-size:27px;line-height:1.5;margin:10px 0 12px}.guide-body>h2 br{display:none}#guide-description{font-size:12px;color:var(--muted);line-height:1.9;margin:0 0 20px}.browser-tip{border:1px solid #c9e5dd;background:#f0f8f4;border-radius:12px;padding:16px 18px}.browser-tip>strong{font-size:12px}.browser-tip p{font-size:11px;color:#55776d;line-height:1.9;margin:8px 0 12px}#copy-page-url{border:1px solid #aecfc4;background:#fff;color:#218b7b;border-radius:7px;padding:8px 12px;font:600 11px 'Noto Sans JP',sans-serif;cursor:pointer}#copy-page-url span{margin-left:12px}.browser-tip>small{display:block;font-size:9px;color:#748a83;margin-top:10px}#copy-url-fallback{display:block;width:100%;font-size:11px;padding:8px;margin-top:10px;border:1px solid #bad2c9;border-radius:5px}#copy-url-fallback[hidden]{display:none}.guide-steps{margin:20px 0 0}.guide-steps li{gap:16px;padding:20px 0}.guide-steps li>div{min-width:0;flex:1}.guide-steps li:first-child{padding-top:0}.guide-steps .guide-number{font:600 12px/30px Arial;flex-shrink:0;width:30px;height:30px;border-radius:50%;text-align:center;background:#e6f3ed;color:#258b7e}.guide-steps h3{font-size:14px;line-height:1.7;margin:2px 0 8px}.guide-steps p{font-size:11px;line-height:1.9}.permission-example{margin-top:14px;border:1px solid #dde5e1;background:#fafcfb;padding:14px;border-radius:11px;box-shadow:0 3px 8px #193d3610}.example-label{display:block;font-size:8px;color:#88968f;letter-spacing:1px;margin-bottom:7px}.permission-example>strong{display:block;font-size:11px;color:#4e625b}.example-app{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;margin:12px 0}.example-app>span{font-size:22px;line-height:1;color:#4a8f86}.permission-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:10px;border-top:1px solid #e4ebe7;padding-top:12px}.example-toggle{width:34px;height:20px;border-radius:20px;background:#269d8f;position:relative;flex-shrink:0}.example-toggle:after{content:'';width:14px;height:14px;background:white;position:absolute;right:3px;top:3px;border-radius:50%}.guide-hint{display:block;color:#8c9891;font-size:9px;line-height:1.7;margin-top:8px}.guide-help{border:0}.guide-help summary{font-size:11px;padding:18px 0 10px}.guide-help p{font-size:11px;line-height:1.9;padding-bottom:8px}.guide-help a{font-size:10px;color:#248d80;text-decoration:underline}.guide-footnote{color:#82928b;font-size:9px;line-height:1.8;margin:16px 0 5px}.guide-footer{flex-shrink:0;padding:12px 30px 16px;background:#fff;border-top:1px solid #e2ece7}.guide-footer>p{font-size:10px;color:#688177;line-height:1.8;margin:0 0 9px}.guide-footer>button{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:14px;border:0;border-radius:10px;background:var(--teal);color:#fff;font:600 14px 'Noto Sans JP',sans-serif;cursor:pointer}.guide-footer>button:disabled{background:#dee9e4;color:#789186;cursor:default}.guide-footer>small{display:block;text-align:center;color:#8b9892;font-size:9px;line-height:1.5;margin-top:8px}@media(max-width:600px){.install-dialog{width:calc(100% - 20px);max-height:94vh;max-height:94dvh;border-radius:18px}.guide-header{padding:11px 18px}.guide-body{padding:18px 20px 10px}.guide-body>h2{font-size:24px}.guide-body>h2 br{display:block}.guide-footer{padding:11px 20px 13px}.guide-steps li{gap:11px}.browser-tip{padding:13px}.guide-steps h3{font-size:13px}.guide-steps .guide-number{width:27px;height:27px;line-height:27px}.permission-example{padding:11px}}