:root{--navy:#0b1932;--blue:#185ee8;--text:#12233e;--muted:#59677b;--line:#dde4ec;--bg:#f5f7fb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--text);font-family:Inter,'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:16px;line-height:1.8}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #50a9ff;outline-offset:5px}header{height:94px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;background:white;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:24px;line-height:1.1;letter-spacing:-.7px}.brand-mark{display:grid;place-items:center;background:var(--navy);color:#66bdff;font-size:26px;font-weight:800;width:43px;height:43px;border-radius:11px;font-style:italic}.brand-sub{display:block;font-size:10px;letter-spacing:2px;margin-top:7px}nav{display:flex;gap:34px;font-size:14px;font-weight:600}nav a:hover{color:var(--blue)}.header-cta{border:1px solid var(--line);padding:9px 22px;border-radius:6px;font-size:14px;font-weight:600}.hero{background:var(--navy);color:#fff;padding:32px 6% 0;overflow:hidden}.hero-top,.hero-bottom{display:flex;justify-content:space-between;align-items:center}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--blue);margin:0 0 18px}.hero .eyebrow{color:#80bdff;margin:0}.edition{font-size:11px;letter-spacing:1.5px;color:#94a3ba}.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:7%;padding:65px 0 72px}.kicker{font-size:15px;color:#bdcce2;margin:0 0 15px}h1{font-size:clamp(38px,4.4vw,65px);line-height:1.35;letter-spacing:-2.5px;margin:0 0 24px;font-weight:750}h1 span{color:#75bcff}.hero-description{font-size:15px;color:#b7c6dc;line-height:2.1}.button{display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;border-radius:6px;padding:14px 28px;border:0}.primary{background:var(--blue);color:white}.primary:hover{background:#114fc7}.hero .primary{margin-top:18px;background:#fff;color:var(--navy)}.hero-note{font-size:12px;color:#93a6c4;margin-top:17px}.hero-collection{border:1px solid #344561;background:#12233e;border-radius:12px;box-shadow:0 24px 70px #0003;transform:rotate(-2deg)}.collection-head,.collection-foot{display:flex;justify-content:space-between;padding:18px 24px;font-size:10px;color:#9bafca;letter-spacing:1px}.collection-head{border-bottom:1px solid #344561}.collection-item{display:flex;align-items:center;gap:20px;padding:23px 24px;border-bottom:1px solid #344561;transition:background .2s}.collection-item:hover{background:#1b3152}.app-icon{width:58px;height:58px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:14px;font-size:27px;font-weight:650;line-height:1}.app-icon span{font-size:20px;align-self:center}.blue{color:#fff;background:#2767e9}.teal{color:#fff;background:#087e90}.violet{color:#fff;background:#6b54d9}.collection-item small{font-size:10px;letter-spacing:2px;color:#8aa4c9;display:block}.collection-item strong{font-size:21px;font-weight:600;letter-spacing:-.5px;display:block}.collection-item p{font-size:12px;color:#a8bad3;margin:2px 0 0}.index{margin-left:auto;color:#748aaa;font-size:13px}.collection-foot{font-size:9px;padding:17px 24px;letter-spacing:.5px}.hero-bottom{border-top:1px solid #344561;padding:22px 0;color:#b6c5db;font-size:13px}.hero-bottom div{display:flex;align-items:center;gap:20px}.hero-bottom i{width:3px;height:3px;background:#748aaa;border-radius:50%}.section{padding:88px 6%;max-width:1600px;margin:auto}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:33px}h2{font-size:34px;line-height:1.55;letter-spacing:-1px;margin:0}p{margin-top:0}.section-heading>p{color:var(--muted);font-size:14px;margin:0;line-height:1.9}.filters{display:flex;gap:9px;margin-bottom:28px;flex-wrap:wrap}.filters button{padding:8px 20px;border:1px solid var(--line);background:white;color:var(--muted);font-size:14px;border-radius:25px}.filters button.active{background:var(--navy);border-color:var(--navy);color:white}.filters span{margin-left:8px;opacity:.6}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;background:white;transition:box-shadow .2s,transform .2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px #1624400c}.card-banner{padding:26px;background:#eef4ff;display:flex;align-items:center;justify-content:space-between}.product-card:nth-child(2) .card-banner{background:#edf7f8}.product-card:nth-child(3) .card-banner{background:#f2effc}.card-banner .category{font-size:11px;letter-spacing:1.5px;font-weight:600;color:#5b6b84}.card-body{padding:27px;display:flex;flex:1;flex-direction:column}.card-body .type{color:var(--muted);font-size:12px;margin:0 0 4px}.card-body h3{font-size:23px;letter-spacing:-.5px;margin:0 0 13px;line-height:1.5}.card-body .tagline{font-size:17px;font-weight:650;margin-bottom:12px}.card-body .description{font-size:14px;color:var(--muted);line-height:1.9;min-height:80px}.tags{display:flex;gap:7px;flex-wrap:wrap;margin:5px 0 25px}.tags span{font-size:12px;background:var(--bg);color:#526279;padding:3px 9px;border-radius:3px}.card-bottom{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}.availability{display:flex;justify-content:space-between;font-size:12px;margin-bottom:17px;color:var(--muted)}.availability b{font-weight:500;color:#715417;background:#faf4df;padding:1px 8px;border-radius:3px}.card-bottom button{width:100%;padding:10px;background:white;border:1px solid #b9c8de;border-radius:5px;font-weight:600;color:var(--text);font-size:14px}.card-bottom button:hover{border-color:var(--blue);color:var(--blue)}.purpose{max-width:none;background:var(--bg);border-block:1px solid var(--line)}.purpose-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:8%}.purpose-layout h2{font-size:30px}.purpose-layout p{font-size:15px;color:var(--muted);line-height:2}.principles{display:flex;gap:22px;border-top:1px solid var(--line);padding-top:22px}.principles span{font-size:12px;color:var(--blue)}.principles b{font-weight:600;color:var(--text);margin-left:9px;font-size:13px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin-top:45px}.steps article{border-top:2px solid var(--navy);padding-top:23px}.steps span{font-size:12px;letter-spacing:1px;color:var(--blue);font-weight:600}.steps h3{font-size:20px;margin:14px 0 10px}.steps p{font-size:14px;color:var(--muted)}.notice{background:var(--bg);border-left:3px solid #9bb7e2;padding:17px 20px;color:var(--muted);font-size:13px;margin:28px 0 0}.faq{display:grid;grid-template-columns:1fr 1.6fr;gap:8%;padding-top:20px}.faq>div>p:last-child{color:var(--muted);font-size:14px;margin-top:18px}details{border-bottom:1px solid var(--line);padding:21px 0}details:first-child{border-top:1px solid var(--line)}summary{font-size:15px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}summary:after{content:'+';font-size:20px;color:#637389}details[open] summary:after{content:'−'}details p{font-size:14px;color:var(--muted);margin:17px 0 0;line-height:2}.closing{background:#edf3fd;text-align:center;padding:60px 6%}.closing h2{font-size:30px;margin-bottom:26px}footer{padding:45px 6% 25px}.footer-top,.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:25px}.footer-top{padding-bottom:32px}.footer-top>span{font-size:13px;color:var(--muted)}.footer-bottom{border-top:1px solid var(--line);padding-top:21px;color:var(--muted)}.footer-bottom small{font-size:12px}.footer-bottom button{border:0;background:none;color:var(--muted);font-size:12px;margin-left:20px;padding:0}.mobile{display:none}dialog{border:1px solid var(--line);border-radius:14px;padding:42px;max-width:670px;width:calc(100% - 32px);max-height:90vh;color:var(--text);box-shadow:0 30px 120px #0004}dialog::backdrop{background:#06132abc;backdrop-filter:blur(4px)}.close{position:absolute;right:16px;top:12px;border:0;background:none;color:var(--muted);font-size:28px;line-height:1.3;padding:5px}.dialog-heading{display:flex;align-items:center;gap:20px;margin:14px 0 25px}.dialog-heading h2{font-size:26px;line-height:1.4}.dialog-heading p{font-size:13px;color:var(--muted);margin:0}dialog p,dialog li{font-size:15px;color:var(--muted)}dialog h3{font-size:18px;margin-top:27px}dialog ul{padding-left:22px}dialog .button{width:100%;margin-top:20px}.specs{margin:24px 0}.specs>div{display:flex;gap:20px;border-bottom:1px solid var(--line);padding:12px 0;font-size:14px}.specs dt{width:120px;flex-shrink:0;color:var(--muted)}.specs dd{margin:0}.disabled{background:#e7ecf3;color:#718097;border:none}.back{background:none;border:0;color:var(--blue);padding:0;font-size:14px}.checkout-heading{font-size:28px;margin-top:22px}.checkout-summary{background:var(--bg);padding:25px;border-radius:8px;margin-top:25px}.checkout-summary strong{font-size:20px}.checkout-summary p{margin:4px 0 0}.checkout-summary .total{border-top:1px solid var(--line);margin-top:20px;padding-top:15px;display:flex;justify-content:space-between;font-size:15px}
@media(min-width:1600px){header,.hero,footer,.purpose{padding-left:max(6%,calc((100vw - 1408px)/2));padding-right:max(6%,calc((100vw - 1408px)/2))}}@media(max-width:1000px){nav{gap:18px}.hero-grid{gap:4%}h1{font-size:45px}.hero-collection{transform:none}.collection-item{padding:20px 16px;gap:13px}.collection-item strong{font-size:18px}.collection-foot{font-size:8px;padding:15px}.product-grid{gap:15px}.card-body{padding:20px}.card-body h3{font-size:20px}.card-body .tagline{font-size:15px}.purpose-layout{gap:4%}.principles{gap:12px;flex-wrap:wrap}.section{padding-top:65px;padding-bottom:65px}}
@media(max-width:720px){header{height:76px;padding:0 5%}.brand{font-size:21px}.brand-mark{width:37px;height:37px}.brand-sub{font-size:8px}nav{display:none}.header-cta{font-size:12px;padding:7px 15px}.hero{padding:25px 5% 0}.hero-top .eyebrow{font-size:10px;letter-spacing:1.3px}.edition{display:none}.hero-grid{grid-template-columns:1fr;padding:42px 0;gap:35px}h1{font-size:44px;letter-spacing:-2px}.hero-description{font-size:14px}.hero-note{font-size:11px}.hero-collection{max-width:500px;width:100%;margin:auto}.collection-item{padding:17px 20px}.collection-item strong{font-size:20px}.collection-foot{font-size:8px;padding:16px 20px}.hero-bottom{font-size:11px;display:block;padding:18px 0}.hero-bottom div{margin-top:6px;gap:15px}.section{padding:55px 5%}.section-heading{display:block;margin-bottom:25px}.section-heading>p{margin-top:17px;font-size:13px}h2{font-size:27px}.eyebrow{font-size:11px;margin-bottom:12px}.filters{gap:7px}.filters button{font-size:12px;padding:7px 13px}.product-grid{grid-template-columns:1fr;gap:22px}.card-banner{padding:22px}.card-body{padding:24px}.card-body h3{font-size:25px}.card-body .tagline{font-size:17px}.card-body .description{min-height:0}.purpose-layout{grid-template-columns:1fr;gap:25px}.purpose-layout h2{font-size:26px}.steps{grid-template-columns:1fr;gap:22px;margin-top:25px}.steps article{padding-top:17px}.steps h3{margin-top:9px}.faq{grid-template-columns:1fr;gap:16px;padding-top:0}.closing{padding:45px 5%}.closing h2{font-size:24px}.footer-top,.footer-bottom{align-items:start;flex-direction:column;gap:23px}.footer-bottom button{margin:0 20px 0 0}footer{padding:35px 5% 25px}dialog{padding:32px 23px}.dialog-heading{gap:13px}.dialog-heading h2{font-size:22px}.specs dt{width:95px}.specs>div{gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Two-level navigation: official site above, APP store below. */
header{height:auto;min-height:138px;gap:32px;padding-top:12px;padding-bottom:12px}
header>.brand{flex-shrink:0}
.header-menus{min-width:0;display:flex;flex-direction:column;align-items:flex-end;gap:10px;margin-left:auto}
.header-menus nav{display:flex;align-items:center;justify-content:flex-end;gap:24px;white-space:nowrap;font-size:14px}
.corporate-nav{min-height:55px}
.corporate-nav .interest-link{color:#e20000}
.aix-link{display:flex;align-items:center;justify-content:center;width:106px;height:54px;flex-shrink:0}
.aix-link img{display:block;width:106px;height:54px;object-fit:contain}
.store-nav{min-height:48px}
.store-nav .header-cta{margin-left:24px;padding:9px 22px}
@media(max-width:1200px){header{gap:20px;padding-left:4%;padding-right:4%}header>.brand{font-size:20px}.header-menus nav{gap:16px;font-size:13px}.aix-link,.aix-link img{width:90px}}
@media(max-width:1050px){header{flex-wrap:wrap;gap:12px;padding-top:18px;padding-bottom:15px}.header-menus{width:100%;gap:8px}.header-menus nav{font-size:14px;gap:22px;width:100%}.store-nav{border-top:1px solid var(--line);padding-top:10px}}
@media(max-width:720px){header{padding-left:5%;padding-right:5%}.header-menus{overflow:hidden}.header-menus .corporate-nav{justify-content:flex-start;overflow-x:auto;gap:22px;padding:3px 2px 7px;min-height:60px}.corporate-nav>a{flex-shrink:0}.header-menus .store-nav{gap:14px;font-size:12px;justify-content:flex-end;flex-wrap:wrap}.store-nav .header-cta{margin-left:0;padding:7px 12px;font-size:12px}.aix-link,.aix-link img{width:90px;height:46px}}