:root{color-scheme:dark;--paper:#15121d;--ink:#f3eef6;--muted:#c1b6cb;--line:#514358;--accent:#d3bceb;--serif:"Yu Mincho","Hiragino Mincho ProN",serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:radial-gradient(ellipse at 80% 0,#302239 0,transparent 650px),var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:18px;line-height:1.95;overflow-wrap:anywhere}a{color:inherit;text-underline-offset:5px}a:focus-visible,video:focus-visible{outline:3px solid var(--accent);outline-offset:6px}.skip{position:absolute;top:-100px}.skip:focus{top:10px;z-index:10;background:var(--paper);padding:10px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px max(22px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);font-size:15px;background:#15121ded}.brand{font-family:var(--serif);letter-spacing:.16em;text-decoration:none;font-size:20px;white-space:nowrap}.reading{max-width:800px;margin:0 auto;padding:65px 28px 80px}.collection{max-width:1000px;margin:0 auto;padding:65px 28px 80px}.eyebrow{display:block;color:var(--accent);font-size:14px;letter-spacing:.13em;font-weight:600;margin-bottom:18px}.breadcrumb{display:block;color:var(--muted);font-size:15px;margin-bottom:35px}h1,h2{font-family:var(--serif);font-weight:500;line-height:1.55;text-wrap:pretty}h1{font-size:clamp(32px,4.4vw,52px);margin:12px 0 25px;letter-spacing:.02em}.deck{font-size:20px;color:#ddd3e4;line-height:1.95}.byline{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:25px 0 30px;font-size:14px;color:var(--muted);border-bottom:1px solid var(--line)}.editor-note{font-size:14px;color:var(--muted);line-height:1.8}.toc{padding:25px 28px;margin:40px 0 65px;background:#241e2d;border:1px solid var(--line);border-radius:3px}.toc h2{font-size:22px;margin:0 0 20px}.toc ol{padding-left:26px;margin:0}.toc li{padding:6px 0;font-size:16px}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}.article-body p{margin:0 0 28px}.article-body h2{font-size:clamp(25px,3.5vw,32px);margin:80px 0 30px;padding-top:25px;border-top:1px solid var(--line)}.chapter-number{display:block;font:14px/1.5 sans-serif;letter-spacing:.15em;color:var(--accent);margin-bottom:15px}.article-body ul{padding-left:25px;margin:25px 0}.article-body ul+ul{margin-top:-22px}.article-body li{padding:5px 0}.demo{margin:35px 0 45px}.demo video{display:block;width:100%;height:auto;max-height:80svh;object-fit:contain;background:#09070d;border:1px solid #675574;border-radius:3px;box-shadow:0 12px 36px #05030966}.demo figcaption{font-size:15px;line-height:1.8;color:var(--muted);margin-top:13px}.article-body blockquote{margin:25px 0;padding:22px 26px;border-left:3px solid #b89ccb;background:#241e2d;font-size:17px}.qa{padding:22px 0;border-top:1px solid #3b3145}.qa h3{font-size:20px;line-height:1.7;margin:0 0 15px}.qa p:last-child{margin-bottom:0}.offer{margin-top:75px;padding:40px 30px;border:1px solid #8a749e;background:linear-gradient(135deg,#342841,#211a2c);text-align:center}.offer h2{font-size:clamp(27px,4vw,38px);margin:0 0 30px}.offer img,.product-cover{display:block;width:100%;height:auto;border:1px solid #695771}.offer p{font-size:18px}.button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:58px;padding:16px 22px;border:1px solid #baa1ce;border-radius:3px;text-decoration:none;font-size:17px;font-weight:600;line-height:1.6;transition:background .15s}.button:hover{background:#4c3b5b}.button.primary{background:#e1d1ef;color:#22142e;border-color:#e1d1ef}.button.primary:hover{background:#f0e7f8}.text-link{display:block;margin:24px 0 0;font-size:16px}.site-footer{max-width:1180px;margin:auto;padding:35px 24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;font-size:14px;color:var(--muted)}.next-read{margin:55px 0;padding:35px;border:1px solid var(--line);background:#241e2d}.next-read h2{font-size:30px;margin:0 0 22px}.example{padding-top:40px;margin-top:50px;border-top:1px solid var(--line)}.example h2{font-size:28px;margin:0}.sales{color:var(--accent);font-size:22px}.sales small{font-size:13px;color:var(--muted);margin-left:15px}.product-cover{margin-top:35px}@media(max-width:600px){body{font-size:18px}.site-header{padding:18px 20px;gap:12px;font-size:13px}.brand{font-size:16px}.reading,.collection{padding:38px 22px 55px}.deck{font-size:18px}h1{font-size:32px}.toc{padding:22px 20px;margin:35px 0 45px}.toc li{font-size:16px;padding:8px 0}.article-body h2{margin-top:58px}.offer,.next-read{padding:28px 20px}.offer{margin-left:-6px;margin-right:-6px}.button{font-size:16px;padding:16px}.next-read h2{font-size:27px}.site-footer{flex-direction:column;gap:15px}.article-body blockquote{padding:20px}.sales small{display:block;margin-left:0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.media-frame{position:relative}.video-start{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border:1px solid #e1c9f7;border-radius:4px;background:#211529e8;color:#fff;font:600 17px/1.5 sans-serif;padding:13px 22px;min-height:48px;white-space:nowrap;cursor:pointer;box-shadow:0 5px 25px #0008}.video-start[hidden]{display:none}.video-start:focus-visible{outline:3px solid #fff;outline-offset:4px}.article-body .toc h2{margin:0 0 20px;padding:0;border:0;font-size:22px}
/* IRIS: examples first, details when needed, a direct purchase route. */
.sales-page{max-width:1040px}.product-hero{padding:12px 0 25px}.product-hero h1{font-size:clamp(32px,4.8vw,54px)}.hero-actions{max-width:580px;margin-top:30px}.hero-actions .text-link{font-size:17px}.proof-line{display:flex;align-items:baseline;gap:16px;margin:32px 0 0;color:#e1d1ef;font-size:22px}.proof-line span{font-size:14px;color:var(--muted)}.sales-section{margin-top:75px;padding-top:40px;border-top:1px solid var(--line)}.sales-section h2{font-size:clamp(27px,3.6vw,38px);margin:0 0 25px}.sales-section h3{font-size:20px;margin:0 0 20px}.sales-section p{margin:20px 0}.inline-read{display:block;margin:30px 0;padding:19px 22px;border:1px solid #786288;font-size:17px;line-height:1.7;text-decoration:none;background:#241d2f}.inline-read:hover{background:#342740}.process{padding:0;list-style:none;counter-reset:step;margin:30px 0}.process li{counter-increment:step;position:relative;padding:22px 20px 22px 66px;border-bottom:1px solid var(--line)}.process li:before{content:"0" counter(step);position:absolute;left:14px;top:25px;font:18px/1.5 sans-serif;color:var(--accent)}.process strong,.process span{display:block}.process span{color:var(--muted);margin-top:9px}.experience{padding:28px;background:#241d2c;margin-top:35px;border-left:3px solid #ba9fd0}.experience blockquote{margin:0;font-size:21px;line-height:1.85}.source-link{display:inline-block;font-size:15px;line-height:1.8;margin:10px 0 20px;color:#d3c0e3}.contents-list{margin:35px 0}.contents-list>div{padding:24px 0;border-bottom:1px solid var(--line)}.contents-list dt{font-size:21px;font-weight:600}.contents-list dd{margin:12px 0 0;color:#d8cddf}.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.fit-grid>div{padding:25px;border:1px solid var(--line)}.fit-grid ul{padding-left:23px;margin:0}.fit-grid li{margin:16px 0;line-height:1.85}.decision{margin-top:65px;padding:42px 32px;background:linear-gradient(135deg,#352843,#211a2c);border:1px solid #967ca9;text-align:center}.decision h2{font-size:32px;margin:15px 0}.decision .price{font-family:var(--serif);font-size:48px;margin:14px 0;line-height:1.5}.price span{font-size:24px;margin-left:10px}.decision .button{max-width:680px;margin:28px auto 0}.reading-card{display:block;text-decoration:none;padding:28px 24px;margin:24px 0;border:1px solid var(--line);background:#211b29}.reading-card:hover{background:#302538}.reading-card span{color:var(--accent);font-size:15px}.reading-card strong{display:block;font:500 25px/1.7 var(--serif);margin-top:14px}.reading-card b{font-size:17px;font-weight:500;text-decoration:underline;text-underline-offset:5px}.line-option{border-top:1px solid var(--line);padding-top:30px;margin-top:65px}.line-option h2,.compact-offer h2{font-size:24px}.line-option p{font-size:17px;color:var(--muted)}.line-option a{font-size:17px}.compact-offer{margin:50px 0 0;padding-top:25px;border-top:1px solid var(--line)}.film-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.film-grid .demo{margin:24px 0}.references{border-top:1px solid var(--line);padding-top:25px;margin-top:50px}.references h2{font-size:22px}.references ul{padding-left:20px;font-size:15px}.references li{margin:14px 0}
@media(max-width:600px){.proof-line{display:block}.proof-line span{display:block;font-size:14px}.sales-section{margin-top:55px;padding-top:30px}.fit-grid,.film-grid{grid-template-columns:1fr}.film-grid{gap:4px}.fit-grid>div{padding:22px}.process li{padding-right:0}.decision{padding:30px 20px}.decision h2{font-size:27px}.desktop-break{display:none}.reading-card{padding:24px 20px}.reading-card strong{font-size:24px}.experience{padding:22px}.experience blockquote{font-size:19px}.product-hero h1{font-size:32px}}
.product-hero{display:grid;grid-template-columns:1.15fr 1fr;grid-template-areas:"intro art" "summary art";column-gap:40px}.hero-intro{grid-area:intro}.hero-summary{grid-area:summary}.hero-art{grid-area:art;align-self:center;display:block;border:1px solid #967ca9;box-shadow:7px 9px 0 #201628,14px 20px 35px #07040b66}.hero-art img{display:block;width:100%;height:auto}.product-hero h1{font-size:clamp(30px,3vw,42px)}.product-hero .desktop-break{display:none}@media(max-width:760px){.product-hero{grid-template-columns:1fr;grid-template-areas:"intro" "art" "summary";gap:20px}.product-hero h1{font-size:32px}.product-hero .deck{margin-bottom:0}.hero-art{max-width:580px}.hero-actions{margin-top:22px}.hero-summary>p{margin-top:12px}}
.launch-nav{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0 10px}.launch-nav a{display:flex;align-items:center;justify-content:center;min-height:48px;padding:8px 16px;border:1px solid var(--line);background:#241d2f;text-decoration:none;font-size:16px}.launch-nav a:hover{background:#382b43}.launch-nav a:last-child{border-style:dashed}