:root{color-scheme:light;--paper:#faf5e9;--ink:#382d22;--muted:#706357;--line:#d9cebb;--green:#315645;--white:#fffdf6}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Maru Gothic ProN","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.9;overflow-wrap:anywhere}a{color:var(--green);text-underline-offset:5px}a:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:6px}img{display:block;max-width:100%;height:auto}.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;left:16px;top:-100px;z-index:10;background:white;padding:10px}.skip:focus{top:12px}.site-header{display:flex;align-items:center;justify-content:space-between;padding-block:28px;gap:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:700;line-height:1.5}.brand img{border-radius:11px}.brand small{display:block;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.12em}.site-header nav{display:flex;gap:28px;font-size:13px}.site-header nav a{color:var(--ink);text-decoration:none}.site-header nav a:hover{text-decoration:underline}.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:32px;padding-block:45px 90px}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:700;color:var(--green);margin:0 0 22px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(44px,5.8vw,76px);letter-spacing:-.045em;line-height:1.28;margin-bottom:28px;font-weight:800}h2{font-size:clamp(26px,3.1vw,40px);line-height:1.5;letter-spacing:-.025em;margin-bottom:32px}h3{font-size:19px;line-height:1.6;margin-bottom:14px}p{margin-bottom:20px}.lead{font-size:20px;line-height:1.95}.hero-copy>p:not(.lead):not(.eyebrow){color:var(--muted)}.button{display:inline-flex;align-items:center;gap:36px;padding:13px 25px;text-decoration:none;border-radius:7px;font-weight:600;margin-top:10px}.primary{background:var(--green);color:white}.primary:hover{background:#244333}.hero-copy .requirements{font-size:11px;line-height:1.9;margin-top:20px;margin-bottom:0}.hero-visual{position:relative;min-height:670px;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#e9d9b6aa,transparent 70%)}.phone{width:265px;padding:8px;background:#242321;border-radius:41px;box-shadow:12px 24px 40px #68513226;transform:rotate(5deg);margin-left:70px}.phone img{border-radius:33px}.watch{position:absolute;width:145px;padding:10px 7px;background:#282726;border:3px solid #575650;border-radius:36px;left:4px;bottom:55px;transform:rotate(-9deg);box-shadow:5px 15px 28px #51463225}.watch img{border-radius:24px}.paper-note{position:absolute;top:18px;left:0;font-size:16px;line-height:1.8;transform:rotate(-7deg);background:#fffdf5;padding:15px 25px;box-shadow:0 4px 10px #53472d12;z-index:1}.paper-note:before{content:"";position:absolute;width:70px;height:20px;background:#b6cdd2a3;left:40px;top:-10px;transform:rotate(4deg)}.intro-band{border-block:1px solid var(--line);background:#f1e8d6}.highlights{display:grid;grid-template-columns:repeat(3,1fr);padding-block:30px;text-align:center}.highlights p{margin:0}.highlights p+p{border-left:1px solid var(--line)}.highlights strong{display:block;font-size:21px}.highlights span{font-size:12px;color:var(--muted)}.section{padding-block:96px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:42px;margin-top:46px}.steps p{font-size:14px;color:var(--muted)}.step-number{font-size:38px;line-height:1.5;font-family:Georgia,serif;color:#a17b3f;display:block;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:22px}.small,.steps .small{font-size:12px;color:var(--muted);line-height:1.9}.support-section{background:var(--white);border-block:1px solid var(--line)}.support-inner{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;padding-block:64px}.support-inner h2{margin-bottom:0}.support-inner>div>p:last-child{margin-bottom:0}.support-inner p{font-size:14px}.support-inner .eyebrow{font-size:12px}.support-inner .small{font-size:12px}.faq{max-width:860px}.faq details{border-bottom:1px solid var(--line)}.faq details:first-of-type{border-top:1px solid var(--line)}summary{cursor:pointer;padding:23px 34px 23px 0;font-size:16px;font-weight:600;position:relative;list-style:none}summary::-webkit-details-marker{display:none}summary:after{content:"＋";position:absolute;right:0;top:23px;color:var(--green)}details[open]>summary:after{content:"−"}.faq details>div{padding:0 28px 14px 0;font-size:14px;color:var(--muted)}.faq details p:last-child{margin-bottom:10px}.contact{padding:48px;display:grid;grid-template-columns:1.2fr 1fr;gap:60px;background:#eaeede;border-radius:8px;margin-bottom:80px}.contact h2{font-size:28px;margin-bottom:16px}.contact p{font-size:14px}.email{display:inline-block;font-size:clamp(20px,3vw,28px);font-weight:600}.email span{font-size:22px;margin-left:10px}.contact-note{border-left:1px solid #bdc9af;padding-left:32px}.contact-note h3{font-size:15px}.contact-note .small{font-size:12px}.site-footer{display:flex;gap:28px;align-items:center;flex-wrap:wrap;padding-block:25px 40px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.site-footer span{margin-right:auto}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.site-header{flex-wrap:wrap;padding-block:20px;gap:20px}.site-header nav{gap:22px;font-size:12px}.hero{grid-template-columns:1fr 1fr;gap:10px;padding-top:35px}.hero-visual{min-height:560px}.phone{width:210px;margin-left:35px;border-radius:32px;padding:6px}.phone img{border-radius:26px}.watch{width:116px;left:-10px;bottom:55px;border-radius:28px}.watch img{border-radius:18px}.paper-note{font-size:12px;padding:12px 17px}.lead{font-size:17px}.steps{gap:24px}.support-inner{gap:35px}.contact{padding:30px;gap:30px}.contact h2{font-size:24px}}
@media(max-width:600px){.site-header{align-items:flex-start}.site-header nav{width:100%;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;gap:10px}.hero{grid-template-columns:1fr;padding-block:35px 45px}.hero-copy{padding-left:4px}h1{font-size:52px}.lead{font-size:18px}.hero-copy>p{font-size:14px}.hero-visual{min-height:600px;margin-top:30px}.phone{width:235px;margin-left:65px;padding:7px;border-radius:36px}.phone img{border-radius:29px}.watch{width:125px;left:calc(50% - 155px);bottom:35px}.paper-note{left:calc(50% - 155px);top:0;font-size:13px}.highlights{padding-block:23px;gap:6px}.highlights strong{font-size:17px}.highlights span{font-size:10px}.section{padding-block:62px}.steps{grid-template-columns:1fr;gap:20px;margin-top:24px}.steps article{padding-left:58px;position:relative}.step-number{position:absolute;left:0;top:0;border:0;font-size:29px}.steps h3{font-size:19px}.support-inner{grid-template-columns:1fr;gap:24px;padding-block:42px}.support-inner h2{font-size:29px}summary{font-size:14px}.contact{grid-template-columns:1fr;padding:28px 22px;gap:25px;margin-bottom:50px}.contact-note{border-left:0;border-top:1px solid #bdc9af;padding:24px 0 0}.site-footer{gap:16px}.site-footer span{width:100%}.desktop-break{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Download link and short operation guide. */
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px 24px;margin-top:28px}.hero-actions .button{margin-top:0;gap:14px;padding-inline:20px;font-size:14px}.guide-link{font-size:13px;white-space:nowrap}.operation-tips{margin-top:38px;padding:26px 30px;border:1px solid var(--line);border-radius:8px;background:var(--white)}.operation-tips h3{font-size:17px;margin-bottom:20px}.operation-tips dl{display:grid;grid-template-columns:1fr 1fr;gap:20px 36px;margin:0 0 20px}.operation-tips dt{font-size:14px;font-weight:600;margin-bottom:4px}.operation-tips dd{font-size:13px;color:var(--muted);margin:0}.operation-tips>p:last-child{margin-bottom:0}@media(max-width:600px){.operation-tips{padding:22px 20px}.operation-tips dl{grid-template-columns:1fr;gap:18px}.hero-actions{gap:16px}}