:root{--ink:#142b4b;--muted:#526178;--blue:#245ab7;--line:#dce4ed;--tint:#f1f5f9;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:white;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;font-size:16px;line-height:1.85}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--blue)}a:focus-visible,summary:focus-visible{outline:3px solid #cf8c27;outline-offset:5px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.45;letter-spacing:.015em}h1{font-size:clamp(32px,4.7vw,58px);font-weight:750;letter-spacing:-.04em;margin-bottom:25px}h2{font-size:clamp(27px,3vw,39px);margin-bottom:32px}h3{font-size:20px;margin-bottom:14px}p{margin-bottom:20px}.wrap{width:min(1160px,calc(100% - 64px));margin:auto}.test-banner{background:#e8eef7;text-align:center;padding:7px 16px;font-size:11px;font-weight:700;letter-spacing:.14em}.test-banner span{margin-left:18px;letter-spacing:.04em;font-weight:400}header{border-bottom:1px solid var(--line)}.brand-row{display:flex;align-items:center;justify-content:space-between;padding-top:23px;padding-bottom:20px}.brand{font-size:31px;line-height:1;text-decoration:none;font-weight:850;letter-spacing:-.05em}.brand small{display:block;font-size:10px;letter-spacing:.05em;font-weight:500;margin-top:10px}.service-label{font-size:12px;letter-spacing:.12em}.navigation{display:flex;gap:34px;padding-bottom:15px}.navigation a{font-size:13px;text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}.navigation a[aria-current]{border-color:var(--blue);color:var(--blue)}.navigation a:last-child{margin-left:auto;font-weight:700}.eyebrow{font-size:11px;color:var(--blue);letter-spacing:.18em;font-weight:750;margin-bottom:22px}.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:45px;padding-top:72px;padding-bottom:70px}.hero h1{font-size:clamp(22px,2.7vw,33px);letter-spacing:-.055em;margin-bottom:8px}.hero h1 span{display:block;white-space:nowrap}.hero h1 strong{display:block;font-size:clamp(42px,5vw,65px);font-weight:800;margin-top:10px;letter-spacing:-.04em}.tax{font-size:12px;color:var(--muted);margin-bottom:30px}.lead{font-size:21px;line-height:1.9;font-weight:600}.hero p:not(.eyebrow):not(.lead):not(.tax){color:var(--muted)}.actions{display:flex;align-items:center;gap:23px;flex-wrap:wrap;margin:30px 0 18px}.button{background:var(--ink);color:white!important;padding:16px 23px;display:inline-flex;justify-content:space-between;align-items:center;gap:25px;font-size:14px;font-weight:700;text-decoration:none;border:1px solid var(--ink)}.button:hover{background:var(--blue);border-color:var(--blue)}.text-link{font-size:14px;font-weight:650}.note{font-size:12px;color:var(--muted);line-height:1.9}.hero-art{padding:24px 0 0 20px;position:relative}.paper{background:#fff;border:1px solid #c9d4e3;width:59%;padding:20px 22px;transform:rotate(-5deg);box-shadow:0 12px 35px #142b4b0c}.paper>span{display:block;font-size:9px;letter-spacing:.12em;color:var(--blue)}.paper b{display:block;font-size:16px;margin:13px 0}.paper>i{display:block;width:80%;height:5px;background:#dce4ed;margin:8px 0}.paper>i:nth-of-type(2){width:64%}.paper small{font-size:9px;color:var(--muted)}.mini-bars{display:flex;gap:7px;align-items:end;height:37px;margin:12px 0}.mini-bars i{width:30px;background:#c8d6eb;height:45%}.mini-bars i:nth-child(2){height:70%}.mini-bars i:nth-child(3){height:100%;background:#6e91cb}.transform-arrow{position:absolute;right:15%;top:35px;font-size:62px;color:#7899c8}.video-card{position:relative;margin:-25px 0 0 55px;background:white;border:1px solid #c9d4e3;box-shadow:0 20px 50px #142b4b16}.video-top{background:var(--ink);color:#fff;padding:10px 15px;font-size:9px;letter-spacing:.1em;display:flex;justify-content:space-between}.video-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:10px;padding:25px 20px 18px;background:#eff4fa}.video-inner small{font-size:8px;color:var(--blue)}.video-inner b{display:block;font-size:20px;line-height:1.6;margin-top:12px}.graphic-bars{display:flex;gap:9px;margin-top:15px}.graphic-bars i{width:29px;height:7px;background:#245ab7}.graphic-bars i:nth-child(2){opacity:.6}.graphic-bars i:nth-child(3){opacity:.25}.voice{background:#dbe6f5;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;border-radius:65px 65px 8px 8px;padding:12px 3px}.voice span{font-size:48px;color:var(--blue);line-height:1}.voice small{font-size:10px;color:var(--ink);margin-top:13px}.caption{text-align:center;padding:8px;font-size:11px}.timeline{display:flex;align-items:center;gap:10px;padding:0 13px 12px;font-size:10px}.timeline i{height:3px;flex:1;background:linear-gradient(to right,var(--blue) 30%,#dce4ed 30%)}.visual-note{font-size:9px;text-align:right;margin-top:20px}.promise{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--tint)}.promise .wrap{display:flex;justify-content:space-around;padding:20px 0;font-size:13px;font-weight:600}.section{padding:88px 0}.tint{background:var(--tint)}.narrow{max-width:760px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin:38px 0 26px}.card{border-top:2px solid var(--ink);padding:25px 0 10px}.number{font-size:13px;color:var(--blue);display:block;margin-bottom:23px}.card h3{font-size:20px}.card p{color:var(--muted);font-size:15px}.format-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin-top:40px}.format-grid article{display:grid;grid-template-columns:105px 1fr;gap:0 30px;align-content:center}.screen{grid-row:1/3;border:5px solid var(--ink);background:#e2ebf7;display:grid;place-items:center;color:var(--blue);font-weight:700;align-self:center}.screen.wide{aspect-ratio:16/9;width:105px;border-radius:5px}.screen.portrait{aspect-ratio:9/16;width:58px;border-radius:9px;margin:auto}.format-grid h3{font-size:18px}.format-grid p{font-size:14px;color:var(--muted)}.sample-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.sample-grid>div{border:1px dashed #93a7bf;background:white;text-align:center;padding:38px 20px}.sample-grid span{font-size:10px;letter-spacing:.12em;color:var(--muted)}.sample-grid b{display:block;font-size:22px;margin:25px 0 10px}.sample-grid p{font-size:13px;color:var(--muted)}.price-box{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;border:1px solid var(--line);padding:38px}.price{font-size:16px}.price strong{font-size:44px;letter-spacing:-.04em;display:inline-block}.price span{font-size:14px;white-space:nowrap}.check-list{padding:0;list-style:none;margin:0}.check-list li{padding:10px 0 10px 25px;border-bottom:1px solid var(--line);font-size:14px;position:relative}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--blue)}.steps{padding:0;margin:0;list-style:none}.steps li{display:grid;grid-template-columns:100px 1fr;gap:30px;border-top:1px solid #cbd6e4;padding:25px 0}.steps li>span{font-size:11px;color:var(--blue);font-weight:700;padding-top:5px}.steps p{font-size:15px;color:var(--muted);margin:0}.steps h3{font-size:20px}.faq{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:22px 0}summary{cursor:pointer;font-weight:650;line-height:1.7;padding-right:12px}details p{margin:20px 0 0;color:var(--muted);font-size:15px;max-width:900px}.cta{background:var(--ink);color:white;padding:75px 0}.cta .eyebrow{color:#a8c5f3}.cta h2{font-size:40px}.cta p{color:#d1dceb}.light{background:white;color:var(--ink)!important;border-color:white;margin-top:18px}.light:hover{color:white!important}.page-intro{padding-top:70px;padding-bottom:45px;border-bottom:1px solid var(--line)}.page-intro .lead{max-width:780px;font-size:18px;color:var(--muted)}.article{max-width:840px}.article h3{font-size:22px;margin-top:38px}.article p{line-height:2.05;color:var(--muted)}.article a{font-size:13px;color:var(--blue)}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:35px}.comparison article{padding:32px;background:var(--tint)}.sources{padding-left:25px}.sources li{margin:12px 0}.sources a{font-size:14px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.contact-panel{background:var(--tint);padding:32px}.contact-panel .button{margin:10px 0 15px}.notice{border-left:3px solid var(--blue);background:var(--tint);padding:25px 30px;margin-top:45px}.notice p{margin:0;font-size:14px}footer{padding:55px 0 22px}.footer-top{display:flex;justify-content:space-between;gap:35px}.footer-top nav{display:flex;gap:20px;flex-wrap:wrap;max-width:680px}.footer-top nav a{font-size:12px;text-decoration:none}.footer-bottom{display:flex;gap:25px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.footer-bottom span{margin-right:auto}.skip{position:absolute;top:-80px;left:10px;background:white;z-index:10;padding:12px}.skip:focus{top:10px}@media(max-width:800px){.wrap{width:calc(100% - 40px)}.navigation{gap:8px 20px;flex-wrap:wrap}.navigation a{font-size:12px}.navigation a:last-child{margin-left:0}.service-label{font-size:10px}.hero{grid-template-columns:1fr;gap:25px;padding:42px 0}.hero h1{font-size:clamp(20px,5.8vw,33px)}.hero h1 strong{font-size:50px}.hero-art{max-width:490px;width:100%;margin:auto;padding-left:0}.hero .eyebrow{margin-bottom:24px}.hero .lead{font-size:21px}.hero-art .video-card{margin-left:45px}.hero-art .paper{width:57%}.test-banner{font-size:9px}.test-banner span{margin-left:8px;font-size:9px}.promise .wrap{font-size:10px;gap:10px;text-align:center}.section{padding:55px 0}.cards{grid-template-columns:1fr;gap:10px}.card{padding:20px 0 5px}.number{margin-bottom:10px}.card h3{font-size:20px}.format-grid,.price-box,.contact-grid,.comparison{grid-template-columns:1fr;gap:30px}.sample-grid{gap:12px}.sample-grid>div{padding:25px 12px}.sample-grid span{font-size:9px}.sample-grid b{font-size:19px}.sample-grid p{font-size:11px}.price-box{padding:24px}.price strong{font-size:39px}.price-box .eyebrow{margin-bottom:10px}.steps li{grid-template-columns:65px 1fr;gap:15px}.page-intro{padding:45px 0 30px}.page-intro h1{font-size:32px}.page-intro .lead{font-size:16px}.footer-top{display:block}.footer-top nav{margin-top:30px;gap:15px 20px}.footer-bottom{flex-wrap:wrap;gap:12px}.footer-bottom span{width:100%}.contact-panel{padding:25px}.notice{padding:20px}.cta{padding:55px 0}.cta h2{font-size:35px}.lead{font-size:18px}.article h3{font-size:20px}.actions{gap:20px}.desktop{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* v2 additions only: the unchanged how-to page does not use these classes. */
.v2-hero-image{margin:0}.v2-hero-image img{display:block;width:100%;height:auto}.price-condition{font-size:17px;font-weight:750;color:var(--ink);margin:8px 0 10px}.v2-card-image{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;margin-bottom:22px;background:#f4f7fb}.v2-section-image{margin:0 0 38px;max-width:670px}.v2-section-image img{width:100%;height:auto;display:block}.v2-price{border:1px solid var(--line);padding:32px}.v2-price-title h3{font-size:26px}.v2-price-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.v2-price-table{border-collapse:collapse;width:100%;font-size:17px}.v2-price-table caption{text-align:left;font-size:12px;color:var(--muted);padding-bottom:12px}.v2-price-table th,.v2-price-table td{padding:11px 15px;border-bottom:1px solid var(--line);text-align:left}.v2-price-table thead{background:var(--ink);color:white;font-size:13px}.v2-price-table tbody th{font-weight:500}.v2-price-table td{font-weight:750}.v2-price-table tbody tr:nth-child(even){background:var(--tint)}.v2-revision{border-left:3px solid var(--blue);padding:12px 15px;background:var(--tint);font-size:14px;font-weight:650;margin-top:24px}.v2-image-credit{font-size:11px;line-height:1.8;color:#526178;margin-top:22px;margin-bottom:5px}@media(max-width:800px){.v2-price{padding:22px 16px}.v2-price-grid{grid-template-columns:1fr;gap:30px}.v2-price-table{font-size:16px}.v2-price-table th,.v2-price-table td{padding:11px 10px}.price-condition{font-size:15px}.v2-section-image{margin-bottom:30px}.v2-hero-image{margin-top:10px}.v2-image-credit{font-size:11px}}

/* v3 hero only; no how-to selectors */
.hero .v3-title{margin:0 0 28px;line-height:1}.v3-title img{display:block;width:100%;height:auto;max-width:780px}.hero h1 .v3-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* v4 pricing table */
.v2-price-grid{grid-template-columns:minmax(0,1.45fr) minmax(0,1fr)}.v2-price-table{table-layout:fixed;font-size:15px}.v2-price-table th,.v2-price-table td{padding:12px 10px;overflow-wrap:anywhere}.v2-price-table th:first-child{width:23%}.v2-price-table th:nth-child(2){width:33%}.v2-price-table td:nth-child(2){font-weight:500}.v2-price-table small{display:block;font-size:11px;font-weight:500;line-height:1.7}.v2-price-table thead small{font-size:10px}.v4-price-note{grid-column:1;font-size:12px;line-height:1.8;color:var(--muted);margin:0}.v2-price-grid>div{grid-column:2;grid-row:1/3}@media(max-width:800px){.v2-price-grid{grid-template-columns:minmax(0,1fr);gap:22px}.v2-price-grid>div{grid-column:1;grid-row:auto}.v2-price-table{font-size:13px}.v2-price-table th,.v2-price-table td{padding:10px 6px}.v2-price-table thead{font-size:11px}.v2-price-table small{font-size:10px}.v2-price-table thead small{font-size:9px}}