*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#f5f8ef;color:#071f1e;font-family:"Avenir Next",Avenir,system-ui,sans-serif}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid #d65347;outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:"Arial Rounded MT Bold","Avenir Next",system-ui,sans-serif;font-weight:850}img{max-width:100%;display:block}.hero{overflow:hidden;background:linear-gradient(180deg,#f1f6e4aa,#f5f8ed77),url('/assets/landscape.png') center bottom/cover;position:relative}.nav{height:100px;max-width:1536px;margin:auto;padding:0 6.2%;display:flex;align-items:center;justify-content:space-between;gap:36px;position:relative;z-index:5}.wordmark{width:260px}.nav nav{display:flex;gap:52px;margin-left:auto;margin-right:40px}.nav a{text-decoration:none;font-size:16px}.nav-download{border:1px solid #35543b;border-radius:50px;padding:12px 36px;font-weight:600}.menu{display:none}.hero-layout{max-width:1536px;margin:auto;position:relative;min-height:410px}.hero-copy{padding:20px 0 72px 6.2%;position:relative;z-index:2;width:60%}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:#507b43;font-size:15px;margin-bottom:12px}.hero-copy h1{font-size:clamp(48px,5.75vw,88px);line-height:.99;letter-spacing:-.055em}.hero-copy h1 em{color:#83c64b;font-style:normal}.intro{color:#667178;font-size:22px;line-height:1.3;margin-top:20px}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:24px}.download{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:#245437;color:white;border-radius:100px;padding:15px 28px;white-space:nowrap;text-decoration:none;font-weight:650;font-size:16px}.download svg{width:25px;height:25px}.text-link{font-weight:650;font-size:15px;text-decoration:none;border-bottom:2px solid #96bc75;padding-bottom:5px;white-space:nowrap}.hero-art{position:absolute;inset:-75px 4% 0 auto;width:47%}.phone{position:absolute;right:5%;top:0;width:290px;height:590px;padding:8px;border:4px solid #2e3531;border-radius:54px;background:#080d0c;overflow:hidden;transform:rotate(8deg);box-shadow:3px 3px 0 #777,0 14px 28px #19372130}.phone>img{width:100%;height:100%;object-fit:cover;border-radius:41px}.island{position:absolute;top:19px;left:50%;transform:translateX(-50%);width:100px;height:27px;border-radius:99px;background:#000}.hero-mochi{position:absolute;left:0;bottom:18px;width:255px;z-index:2}.floating{position:absolute;font-family:"Hiragino Sans",sans-serif;font-size:70px;font-weight:800}.kana-a{left:9%;top:110px;color:#77a26a;transform:rotate(12deg)}.kana-i{right:-4%;top:95px;color:#9cbe82;transform:rotate(-15deg)}.kana-u{right:-3%;top:185px;color:#ed9c69;transform:rotate(9deg)}.handwritten{font-family:"Marker Felt","Comic Sans MS",cursive;color:#4a753e;font-size:24px;line-height:1.15;transform:rotate(-10deg)}.brighter{display:none}.benefits{position:relative;z-index:3;display:grid;grid-template-columns:repeat(3,1fr);width:89%;max-width:1370px;margin:-18px auto 0;border-radius:40px;padding:14px 24px;background:#fafcf3ed;box-shadow:0 8px 22px #2d3f3210}.benefits>div{display:flex;align-items:center;justify-content:center;gap:16px;padding:0 18px}.benefits>div+div{border-left:1px solid #d3dcca}.benefits>div>span{display:grid;place-items:center;border-radius:50%;background:#d9edbc;color:#2e633f;font-size:24px;font-weight:800;width:38px;height:38px;flex-shrink:0}.benefits p{font-size:15px}.steps{max-width:1536px;margin:auto;padding:26px 6% 14px}.steps h2{font-size:clamp(26px,2.8vw,43px);line-height:1.08;letter-spacing:-.045em}.section-subtitle{color:#72777a;font-size:15px;margin:5px 0 12px}.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.step{display:grid;grid-template-columns:42px minmax(0,.85fr) minmax(0,1.15fr);align-items:start;gap:10px;border-radius:18px;background:#ffffffdd;padding:16px 12px;min-width:0}.number{width:36px;height:40px;display:grid;place-items:center;border-radius:50%;background:#daedbd;font-size:24px;font-weight:850}.step-copy h3{font-size:21px;margin:7px 0}.step-copy p{font-size:14px;color:#687479;line-height:1.25}.desktop-preview{min-width:0;background:#eceeeb;padding:8px;border-radius:17px;align-self:stretch}.mini-widget,.lesson-preview,.notice{position:relative;min-height:135px;padding:13px 10px;background:#fff;border-radius:12px;overflow:hidden}.mini-widget{display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(#fffff7dd,#fffff733),url('/assets/landscape.png') center/cover}.mini-widget img{position:absolute;width:46px;right:18px;top:2px}.mini-widget strong{font-size:22px;letter-spacing:-.05em}.mini-widget b,.lesson-preview>b{color:#d8535c;font-size:13px}.mini-widget small,.lesson-preview small{font-size:10px;color:#747a76;display:block}.lesson-preview strong{font-size:17px}.lesson-preview>b{display:block}.lesson-preview .speak{position:absolute;right:8px;top:10px;border:0;border-radius:50%;width:32px;height:32px;color:#4b7441;background:#d5eeb9;font-size:13px}.lesson-preview hr{border:0;border-top:1px solid #e4e8df;margin:13px 0 8px}.lesson-preview>span{font-size:10px;display:block}.lesson-preview small{font-size:8px;margin:3px 0}.notice{display:grid;grid-template-columns:25px 1fr auto;align-content:center;gap:3px}.notice img{width:23px;border-radius:7px}.notice>b{font-size:10px}.notice>small{font-size:8px;color:#8e938c}.notice strong,.notice span,.notice p{grid-column:2/4}.notice strong{font-size:15px}.notice span,.notice p{font-size:8px;color:#778071}.notice p{margin-top:8px}.kana-panel{position:relative;max-width:1380px;margin:0 5.3% 36px;display:grid;grid-template-columns:24% 36% 27% 1fr;gap:16px;align-items:center;padding:10px 28px 0;border-radius:22px;background:linear-gradient(90deg,#edf6e5eb,#f1f6e6bb),url('/assets/landscape.png') center/cover;overflow:hidden}.reader{width:100%;max-width:275px;align-self:end}.kana-copy h2{font-size:30px;letter-spacing:-.04em;line-height:1.04}.kana-copy>p{font-size:15px;line-height:1.25;color:#75846f;margin:10px 0}.kana-copy .download{padding:8px 22px;font-size:13px}.kana-copy .download svg{width:20px;height:20px}.kana-phone{position:relative;align-self:start;margin-top:0;transform:rotate(6deg);border:5px solid #19201b;border-radius:40px 40px 0 0;background:#fff;min-height:290px;padding:40px 14px 15px;box-shadow:3px 0 #aaa}.kana-phone .island{top:10px;height:20px;width:78px}.kana-phone h3{text-align:center;font-size:16px;font-style:italic}.kana-phone>p{font-size:9px;color:#777;text-align:center;margin:3px 0 14px}.row-label{font-size:11px;margin:12px 0 6px;font-weight:650}.row-label>span{float:right;font-size:9px;color:#888;font-weight:400}.kana-row{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.kana-row button{background:#fff;border:1px solid #e7e9e2;border-radius:8px;padding:8px 2px;display:flex;flex-direction:column;align-items:center;gap:4px}.kana-row b{font-size:18px}.kana-row small{font-size:10px;color:#737a73}.kana-note{font-size:23px;align-self:center}.mobile-icon,.mobile-label,.mobile-break,.kana-features{display:none}.download-section{display:flex;gap:24px;align-items:center;justify-content:center;padding:36px 6%;background:#e9f1e1}.download-section>img{width:90px}.download-section h2{font-size:26px;letter-spacing:-.035em}.download-section p{margin-top:6px}.availability{font-size:14px;color:#61715d}.contact{margin-left:35px;font-weight:600}footer{display:flex;align-items:center;gap:25px;padding:28px 6%;font-size:13px}footer img{width:155px}footer p{margin-right:auto;color:#667363}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.legal{max-width:850px;margin:auto;padding:30px 24px}.legal header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:60px}.legal header img{width:200px}.legal h1{font-size:42px;margin:15px 0}.legal h2{font-size:24px;margin:30px 0 10px}.legal p,.legal li{line-height:1.65}.legal aside{display:flex;gap:24px}.legal aside img{width:130px;object-fit:contain}.legal footer{padding:40px 0}.legal .eyebrow{margin-bottom:10px}
@media(min-width:1600px){.kana-panel{margin-inline:auto}.hero-art{right:4%}}
@media(min-width:761px) and (max-width:1199px){.nav{height:85px;gap:20px}.wordmark{width:210px}.nav nav{gap:25px;margin-right:10px}.hero-copy{width:62%;padding-top:30px}.hero-copy h1{font-size:5.6vw}.intro{font-size:18px}.hero-actions{gap:15px;flex-wrap:wrap}.download{font-size:14px;padding:13px 22px}.hero-art{width:42%;top:-30px}.phone{width:235px;height:485px}.hero-mochi{width:190px;left:-15px}.floating{font-size:52px}.hero-layout{min-height:420px}.benefits p{font-size:13px}.step{grid-template-columns:32px 1fr;padding:12px}.number{width:30px;height:34px;font-size:20px}.desktop-preview{grid-column:1/-1}.mini-widget,.lesson-preview,.notice{min-height:145px}.mini-widget strong{font-size:27px}.lesson-preview small,.notice p,.notice span{font-size:12px}.kana-panel{grid-template-columns:20% 42% 32%;gap:12px;padding-inline:15px}.kana-note{display:none}.kana-copy h2{font-size:26px}}
@media(max-width:760px){body{background:#fcfdf8}.hero{background:linear-gradient(#fff 40%,#f8fbf1);overflow:visible}.nav{height:73px;padding:0 9%;gap:15px}.wordmark{width:190px}.nav-download{display:none}.menu{display:flex;flex-direction:column;gap:5px;border:0;background:none;padding:10px;width:44px;height:44px;justify-content:center}.menu span{display:block;height:2px;background:#142e28;width:24px}.nav nav{display:none;position:absolute;top:65px;right:6%;margin:0;padding:18px 24px;flex-direction:column;gap:20px;background:#fff;border:1px solid #dde7d6;box-shadow:0 12px 24px #12341c18;border-radius:15px}.nav nav.open{display:flex}.hero-layout{min-height:0}.hero-copy{width:100%;padding:0 8%;text-align:center}.eyebrow{font-size:11px;letter-spacing:.17em;margin:1px 0 10px;font-weight:650}.hero-copy h1{font-size:clamp(29px,8.3vw,43px);line-height:1.02;letter-spacing:-.035em;max-width:480px;margin:auto}.hero-copy h1 em{color:inherit}.hero-copy h1 br{display:none}.intro{font-size:clamp(16px,3.9vw,20px);margin-top:12px;line-height:1.2}.desktop-break{display:none}.hero-actions{margin-top:14px;display:flex;flex-direction:column;gap:5px}.download{width:100%;padding:10px 16px;font-size:17px;min-height:44px;gap:7px}.download svg{width:28px;height:28px}.text-link{font-size:14px;border-color:#1b3025;border-width:1px;padding-bottom:0}.hero-art{position:relative;inset:auto;width:100%;height:clamp(295px,72vw,505px);margin-top:14px;overflow:hidden;background:radial-gradient(ellipse at 30% 60%,#edf7e3 0, #edf7e3 45%,transparent 46%)}.phone{right:auto;left:11%;top:0;width:58%;height:auto;aspect-ratio: .49;transform:none;border-radius:46px;padding:6px;border-width:4px;box-shadow:2px 0 0 #9a9d94}.phone>img{aspect-ratio:.48;border-radius:34px}.phone .island{top:17px;width:31%;height:22px}.hero-mochi{left:auto;right:1%;bottom:-5%;width:39%;z-index:2}.brighter{display:block;position:absolute;right:5%;top:8%;font-size:clamp(17px,4.3vw,24px)}.floating{display:none}.benefits{margin:6px auto 0;width:88%;padding:12px 5px;border-radius:16px;background:#f0f8e6;box-shadow:none;gap:6px}.benefits>div{flex-direction:column;gap:5px;padding:0 5px;text-align:center}.benefits>div+div{border:0}.benefits>div>span{width:24px;height:24px;font-size:20px}.benefits p{font-size:12px;line-height:1.15;max-width:110px}.desktop-label{display:none!important}.mobile-label{display:block}.steps{padding:20px 6% 14px}.steps h2{font-size:clamp(21px,5.1vw,30px);line-height:1.08;letter-spacing:-.045em;margin-bottom:10px}.section-subtitle{display:none}.step-grid{grid-template-columns:1fr;gap:7px}.step{grid-template-columns:36px 58px 1fr;gap:12px;align-items:center;padding:7px 13px;border:1px solid #edf0e6;border-radius:17px;min-height:61px;background:#ffffffb0}.number{width:31px;height:34px;font-size:22px}.desktop-preview{display:none}.mobile-icon{display:grid;place-items:center;background:#f3f6ee;border-radius:12px;width:58px;height:48px;color:#365946}.mobile-icon svg{width:42px;height:42px}.step-copy h3{font-size:16px;line-height:1;margin:0 0 3px}.step-copy p{font-size:12px;line-height:1.15;max-width:205px}.kana-panel{margin:0 6% 20px;padding:15px 16px 38px;display:block;min-height:215px;background:#f0f8e6;border-radius:17px;overflow:hidden}.kana-copy{position:relative;z-index:2;width:59%}.kana-copy h2{font-size:clamp(23px,5.7vw,32px);line-height:.95;letter-spacing:-.04em}.mobile-break{display:block}.kana-copy>p{font-size:12px;line-height:1.17;margin:7px 0}.reader{position:absolute;width:43%;right:0;bottom:39px;max-width:none}.kana-phone{display:none}.kana-features{display:flex;flex-direction:column;gap:4px;margin-top:8px}.kana-features a{display:flex;align-items:center;gap:8px;text-decoration:none;font-size:10px;min-height:28px;white-space:nowrap}.kana-features a>span{display:grid;place-items:center;border-radius:50%;background:#d5edb2;color:#34563c;width:26px;height:26px;font-size:22px;flex-shrink:0}.kana-features a>b{margin-left:auto;font-size:20px;color:#718d60;font-weight:400}.kana-note{display:block;position:absolute;bottom:14px;right:5%;font-size:16px;text-align:center}.download-section{padding:24px 6%;gap:12px;flex-wrap:wrap;justify-content:flex-start}.download-section>img{width:58px}.download-section>div{flex:1}.download-section h2{font-size:22px}.download-section p{font-size:13px}.contact{margin-left:70px;font-size:14px}footer{padding:25px 7%;gap:16px;flex-wrap:wrap}footer>a:first-child{flex-basis:100%}footer p{flex-basis:100%;font-size:12px}footer small{flex-basis:100%}.legal h1{font-size:34px}.legal header img{width:150px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Reference alignment after desktop/mobile visual QA. */
body{font-weight:500}.wordmark{width:285px}.hero-copy{padding-top:12px;padding-bottom:58px}.hero-layout{min-height:400px}.hero-art{top:-53px;right:8%;width:43%}.hero-mochi{width:285px;bottom:48px;left:-2%}.phone{top:8px;width:290px;height:590px}.hero-copy h1{letter-spacing:-.045em}.desktop-preview{padding:7px}.step{padding:12px;min-height:170px}.mini-widget,.lesson-preview,.notice{min-height:135px}.nav nav{margin-right:110px}.nav-download{background:#f1f7e1bb}.intro{font-weight:500}.kana-panel{align-items:start}.kana-copy{padding-top:26px}.kana-note{padding-top:10px}.reader{align-self:end}
@media(min-width:761px) and (max-width:1199px){.wordmark{width:215px}.nav nav{margin-right:0;gap:20px}.nav-download{padding:10px 22px}.hero-art{right:3%;width:40%;top:-20px}.phone{width:235px;height:485px}.hero-mochi{width:190px;bottom:40px;left:-30px}.hero-copy{padding-top:25px}.kana-copy{padding-top:20px}}
@media(max-width:760px){.wordmark{width:205px}.nav{padding-inline:7%}.hero-copy{padding-top:0;padding-bottom:0}.hero-layout{min-height:0}.hero-copy h1{letter-spacing:-.045em;font-size:clamp(29px,8.3vw,43px)}.hero-copy h1 br{display:block}.hero-art{inset:auto;width:100%;height:clamp(280px,70vw,505px)}.phone{left:11%;top:0;width:58%;height:auto;aspect-ratio:.49}.hero-mochi{width:45%;bottom:-7%;right:-1%;left:auto}.brighter{right:2%;top:10%;font-size:clamp(16px,3.8vw,23px)}.intro{font-weight:500}.benefits p{font-size:11px;font-weight:550}.step{min-height:61px;padding:7px 13px}.steps h2{font-size:clamp(18px,4.6vw,29px);letter-spacing:-.045em}.kana-copy{padding-top:0;width:57%}.reader{width:48%;right:-2%;bottom:37px}.kana-note{padding-top:0}.download-section{display:grid;grid-template-columns:58px 1fr}.download-section>div{min-width:0}.download-section .contact{grid-column:2;margin:0}.download-section h2{font-size:23px}.nav nav{margin:0}}

/* Medium widget installation guide */
.widget-install{max-width:1380px;margin:34px auto 22px;padding:38px 7%;display:grid;grid-template-columns:minmax(280px,.78fr) minmax(420px,1.22fr);gap:clamp(38px,7vw,100px);align-items:center}
.widget-shot{justify-self:center;width:min(100%,390px);padding:14px;border-radius:46px;background:#17221d;box-shadow:0 24px 55px #1f392421;transform:rotate(-2deg)}
.widget-shot img{width:100%;border-radius:34px}
.widget-guide h2{font-size:clamp(32px,4vw,58px);line-height:1.02;letter-spacing:-.05em;max-width:760px}
.widget-intro{margin:16px 0 24px;color:#67766d;font-size:18px;line-height:1.45;max-width:650px}
.widget-guide ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.widget-guide li{display:grid;grid-template-columns:42px 1fr;gap:13px;align-items:start;padding:16px;border-radius:18px;background:#fff;border:1px solid #e5ebdf}
.widget-guide li>span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#dcefbf;color:#26553a;font-size:20px;font-weight:850}
.widget-guide h3{font-size:17px;margin:1px 0 5px}
.widget-guide li p{color:#69766e;font-size:13px;line-height:1.35}
@media(min-width:761px) and (max-width:1199px){.widget-install{padding-inline:6%;grid-template-columns:minmax(250px,.8fr) 1.2fr;gap:35px}.widget-guide ol{grid-template-columns:1fr}.widget-shot{width:310px}.widget-guide h2{font-size:38px}.widget-intro{font-size:16px}.nav nav{font-size:14px}}
@media(max-width:760px){.widget-install{margin:20px 6%;padding:24px 18px 20px;display:flex;flex-direction:column-reverse;gap:24px;border-radius:22px;background:#f0f8e6}.widget-guide h2{font-size:clamp(25px,7vw,34px)}.widget-intro{font-size:14px;margin:10px 0 17px}.widget-guide ol{grid-template-columns:1fr;gap:8px}.widget-guide li{grid-template-columns:36px 1fr;padding:12px}.widget-guide li>span{width:32px;height:32px;font-size:17px}.widget-guide h3{font-size:15px}.widget-guide li p{font-size:12px}.widget-shot{width:min(88%,330px);padding:10px;border-radius:36px;transform:none}.widget-shot img{border-radius:27px}}
.kana-mnemonic-art{display:block;width:100%;max-width:390px;justify-self:center;filter:drop-shadow(0 14px 22px #31523c1a)}@media(max-width:620px){.kana-mnemonic-art{width:100%;max-width:330px;margin:20px auto 0}}
@media(max-width:760px){.kana-panel{display:flex;flex-direction:column;gap:0;margin:0 6% 28px;padding:24px 20px;min-height:0;border-radius:24px}.kana-panel>.reader{display:none}.kana-copy{width:100%;padding:0}.kana-copy h2{font-size:clamp(24px,6.5vw,30px);line-height:1.15;letter-spacing:-.03em;max-width:none;text-wrap:balance}.kana-copy>p{font-size:15px;line-height:1.55;margin:14px 0 20px;max-width:38ch;color:#5d7058;text-wrap:pretty}.kana-features{gap:0;margin:0}.kana-features a{display:grid;grid-template-columns:30px minmax(0,1fr) 12px;column-gap:10px;min-height:50px;font-size:14px;line-height:1.35;white-space:normal;padding:6px 0}.kana-features a+a{border-top:1px solid #dce8d0}.kana-features a>span{width:30px;height:30px;font-size:21px}.kana-features a>b{margin:0;padding:0;text-align:right}.kana-mnemonic-art{width:100%;max-width:360px;margin:18px auto 0;filter:none}.kana-note{position:static;padding:0;margin:12px 0 0;align-self:center;font-family:inherit;font-size:14px;font-weight:650;line-height:1.4;transform:none;text-align:center}.kana-note .mobile-label br{display:none}}