:root{--ink:#16201b;--muted:#5e6a64;--paper:#f5f5ef;--white:#fff;--green:#153f34;--lime:#d9ef62;--yellow:#ffd948;--line:#d9ddd7;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",sans-serif;line-height:1.75}img{max-width:100%;height:auto}a{color:inherit}.site-header{height:64px;padding:0 5vw;display:flex;align-items:center;justify-content:space-between;background:rgba(245,245,239,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(10px)}.brand{font:700 .78rem/1 sans-serif;letter-spacing:.16em;text-decoration:none}.header-link{font-size:.85rem}.section{padding:84px max(6vw,24px);max-width:var(--max);margin:auto}.eyebrow{font-size:.72rem;letter-spacing:.18em;font-weight:800;color:#53625a;margin:0 0 18px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.8rem,8vw,6.8rem);line-height:1.08;letter-spacing:-.045em;margin-bottom:42px}h2{font-size:clamp(2rem,5.4vw,4.6rem);line-height:1.18;letter-spacing:-.04em;margin-bottom:22px}.lead{font-size:clamp(1rem,2.2vw,1.25rem);max-width:720px;color:#3f4c46}.hero{padding-top:86px;text-align:center;max-width:1220px}.hero .eyebrow{color:#657169}.hero-products{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:28px;max-width:840px;margin:0 auto 38px}.hero-products div{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px 24px 20px}.hero-products img{width:260px;height:70px;object-fit:contain}.hero-products p{font-weight:800;margin:6px 0 0}.plus{font-size:2rem}.hero-copy{font-size:1.08rem}.launch-note{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:28px auto;color:var(--green)}.launch-note span{color:var(--muted)}.actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 24px;border-radius:100px;text-decoration:none;border:1px solid var(--green);font-weight:800;font-size:.94rem}.button.primary{background:var(--green);color:#fff}.button.secondary{background:transparent}.button.disabled{width:100%;border-color:#bac1bc;color:#6d7772;background:#e8ebe8}.micro{font-size:.8rem;color:var(--muted);margin:14px 0}.flow{max-width:1220px}.flow-list{list-style:none;margin:44px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}.flow-list li{position:relative;border-top:2px solid var(--green);padding:25px 22px 10px 0}.flow-list li:not(:last-child):after{content:"";position:absolute;right:15px;top:-6px;width:10px;height:10px;border-top:2px solid var(--green);border-right:2px solid var(--green);transform:rotate(45deg)}.flow-list span{display:block;font-size:.72rem;color:var(--muted);margin-bottom:20px}.flow-list strong{font-size:1.05rem}.flow-list p{font-size:.9rem;color:var(--muted);margin:8px 0}.product{max-width:none;padding-left:max(calc((100vw - var(--max))/2 + 24px),6vw);padding-right:max(calc((100vw - var(--max))/2 + 24px),6vw)}.product-akiseki{background:#fff5bd}.product-tsugivo{background:#e6f0e7}.product-head{display:grid;grid-template-columns:280px 1fr;gap:70px;align-items:start}.product-head>img{width:280px;height:92px;object-fit:contain;object-position:left center}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:38px}.feature-grid article{background:rgba(255,255,255,.76);border:1px solid rgba(22,32,27,.12);padding:24px;border-radius:18px}.feature-grid strong{font-size:1.02rem}.feature-grid p{font-size:.9rem;color:#455149;margin:8px 0 0}.screen-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:38px 0}.screen-pair figure{margin:0;background:#fff;padding:14px;border-radius:22px;box-shadow:0 18px 45px rgba(40,45,40,.1)}.screen-pair img{width:100%;border-radius:13px}.screen-pair figcaption{font-size:.82rem;text-align:center;padding-top:9px;color:var(--muted)}.tsugivo-visual{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:center;margin:38px 0}.tsugivo-visual div{background:#fff;border-radius:18px;padding:24px;min-height:150px;display:flex;flex-direction:column}.tsugivo-visual span,.tsugivo-visual small{color:var(--muted)}.tsugivo-visual strong{font-size:1.15rem;margin:12px 0}.tsugivo-visual i{font-style:normal;font-size:1.5rem}.privacy-note{margin-top:18px;font-size:.85rem;color:var(--muted)}.timeline{margin-top:40px;border-top:1px solid var(--line)}.timeline article{display:grid;grid-template-columns:100px 1fr;gap:25px;padding:25px 0;border-bottom:1px solid var(--line)}.timeline time{font-weight:900;color:var(--green)}.timeline strong{font-size:1.05rem}.timeline p{color:var(--muted);margin:4px 0}.pricing{max-width:1220px}.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:42px}.plan{background:#fff;border:1px solid var(--line);padding:34px;border-radius:24px}.plan.pro{background:var(--green);color:#fff}.plan-name{font-weight:900;letter-spacing:.08em}.plan-name span{font-size:.7rem;background:var(--yellow);color:var(--ink);padding:4px 9px;border-radius:99px;margin-left:8px}.price{display:flex;align-items:baseline}.price strong{font-size:3.4rem;line-height:1}.price small{margin-left:4px}.plan ul{list-style:none;padding:0;margin:28px 0}.plan li{padding:10px 0;border-bottom:1px solid rgba(100,110,104,.2)}.plan li:before{content:"✓";font-weight:900;margin-right:10px}.plan .button{width:100%}.pro .disabled{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.35);color:#fff}.pricing-note{text-align:center;font-size:.85rem;color:var(--muted);margin:20px}.setup ol{list-style:none;padding:0;margin:36px 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.setup li{background:#fff;border:1px solid var(--line);padding:22px;border-radius:18px}.setup li>span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--lime);font-weight:900;margin-bottom:18px}.setup li p{font-size:.88rem;color:var(--muted);margin:6px 0}.faq details{background:#fff;border-bottom:1px solid var(--line);padding:0 24px}.faq summary{font-weight:800;padding:22px 0;cursor:pointer}.faq details p{padding-bottom:22px;color:var(--muted)}.final-cta{text-align:center;padding-bottom:120px}.final-cta p:not(.eyebrow){font-size:1.08rem}.mobile-cta{display:none}footer{background:#101814;color:#fff;padding:50px max(6vw,24px);font-size:.8rem}footer a{font-weight:800;text-decoration:none}footer p{margin:5px 0;color:#b6beb9}
@media(max-width:760px){.section{padding:66px 20px}.site-header{height:58px;padding:0 20px}h1{font-size:clamp(2.55rem,14vw,4.2rem);margin-bottom:32px}.hero{padding-top:58px}.hero-products{grid-template-columns:1fr;gap:10px}.hero-products .plus{line-height:1}.hero-products div{padding:19px 18px 14px}.hero-products img{height:54px}.hero-copy br{display:none}.launch-note{display:block}.launch-note span{display:block}.actions{display:grid}.button{width:100%}.flow-list{grid-template-columns:1fr;margin-top:32px}.flow-list li{padding:18px 0 18px 52px;border-top:0;border-left:2px solid var(--green)}.flow-list li:not(:last-child):after{right:auto;left:-6px;top:auto;bottom:5px;transform:rotate(135deg)}.flow-list span{position:absolute;left:16px;top:19px}.product-head{grid-template-columns:1fr;gap:20px}.product-head>img{width:230px;height:66px}.feature-grid{grid-template-columns:1fr}.screen-pair{gap:10px}.screen-pair figure{padding:7px;border-radius:15px}.tsugivo-visual{grid-template-columns:1fr}.tsugivo-visual div{min-height:auto}.tsugivo-visual i{transform:rotate(90deg);text-align:center}.timeline article{grid-template-columns:65px 1fr;gap:14px}.plan-grid{grid-template-columns:1fr}.plan{padding:26px 22px}.setup ol{grid-template-columns:1fr}.setup li{display:grid;grid-template-columns:38px 1fr;gap:10px}.setup li>span{grid-row:1/3;margin:0}.final-cta{padding-bottom:120px}.mobile-cta{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:30}.mobile-cta a{display:flex;align-items:center;justify-content:center;min-height:52px;background:var(--green);color:#fff;text-decoration:none;border-radius:99px;font-weight:900;box-shadow:0 10px 30px rgba(0,0,0,.22)}footer{padding-bottom:95px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.header-nav{display:flex;gap:16px}.manual-link{max-width:var(--max);margin:24px auto 0;font-weight:900}.manual-link a{text-underline-offset:5px}
@media(max-width:760px){.header-nav .header-link:not(:last-child){display:none}}