@font-face{font-family:Source Serif;src:url('/assets/SourceSerif4-Regular.ttf') format('truetype');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Source Serif;src:url('/assets/SourceSerif4-Semibold.ttf') format('truetype');font-weight:600;font-style:normal;font-display:swap}
:root{--ink:#193740;--muted:#53666c;--red:#ad3540;--red-hover:#922b34;--sage:#eaf1ed;--pale:#f4f7f6;--rule:#ccd7d5;--paper:#fff;--serif:'Source Serif',Georgia,serif;--sans:'Helvetica Neue',Arial,sans-serif;--radius:6px;--shadow:0 22px 55px #19374026}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:100px;scrollbar-color:#95a8a4 var(--pale)}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}body:has(dialog[open]){overflow:hidden}::selection{background:#dce8e0;color:var(--ink)}a{color:inherit;text-underline-offset:5px}button,a,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit}button,summary{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:5px}svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.symbols{position:absolute;width:0;height:0;overflow:hidden}img{display:block;max-width:100%;height:auto}figure,p,h1,h2,h3{margin:0}h1,h2,h3{font-family:var(--serif);font-weight:400;text-wrap:balance}h1{font-size:clamp(48px,5.1vw,76px);line-height:1.07;letter-spacing:-.035em}h2{font-size:clamp(35px,3.4vw,50px);line-height:1.15;letter-spacing:-.025em}h3{font-size:28px;line-height:1.25;letter-spacing:-.015em}p{max-width:66ch}p+p{margin-top:18px}.wrap{width:min(1240px,calc(100% - 96px));margin-inline:auto}.section{padding-block:106px}.skip-link{position:fixed;top:-100px;left:20px;z-index:20;background:white;padding:14px}.skip-link:focus{top:12px}.header{max-width:1440px;margin:auto;min-height:108px;padding:22px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;gap:12px;align-items:center;font-family:var(--serif);font-weight:600;font-size:24px;letter-spacing:-.04em;text-decoration:none;line-height:1.1;white-space:nowrap}.brand svg{width:36px;height:36px;stroke-width:1.5}.brand-sub{display:block;margin-top:7px;font-family:var(--sans);font-size:11px;font-weight:400;letter-spacing:.03em;color:var(--muted)}nav{display:flex;gap:30px;align-items:center;font-size:14px}nav a{text-decoration:none}nav a:hover,.footer a:hover{color:var(--red)}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;padding:17px 27px;border:0;border-radius:var(--radius);background:var(--red);color:white;text-decoration:none;font-size:15px;font-weight:600;line-height:1.3;min-height:56px;transition:background .18s ease,box-shadow .18s ease}.button:hover{background:var(--red-hover);box-shadow:0 4px 14px #ad354021}.button-small{padding:13px 20px;min-height:46px;font-size:13px}.button svg{width:20px;height:20px}.text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;border:0;background:none;padding:0;text-decoration:underline;text-decoration-thickness:1px;font-size:14px;font-weight:500;line-height:1.45}.text-link:hover{color:var(--red)}.text-link svg{width:19px;height:19px}.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:62px;align-items:center;padding-block:45px 62px}.hero-copy{padding-block:15px}.hero-copy>p{max-width:470px;color:var(--muted);font-size:17px;line-height:1.7}.hero-copy .hero-description{margin-top:30px}.hero-copy>p+p{margin-top:15px}.hero-actions{display:flex;gap:26px;align-items:center;margin-top:31px}.hero-copy .format-note{font-size:11px;margin-top:21px}.format-note{font-size:12px;color:var(--muted)}.format-note span{margin-inline:8px;color:#8b9e9f}.hero-art{background:var(--sage);position:relative;min-height:576px;display:grid;place-items:center;padding:35px 28px 25px;border-radius:110px 110px 8px 8px}.book-stage{perspective:1300px;padding:8px 16px 23px}.book-object{width:min(330px,100%);position:relative;transform:rotate(-5deg) rotateY(-9deg);transform-style:preserve-3d;box-shadow:9px 15px 12px #1937401f,20px 26px 45px #19374020;animation:book-arrive .9s cubic-bezier(.16,1,.3,1) both}.book-object:after{content:'';position:absolute;right:-10px;top:3px;bottom:-3px;width:10px;background:#deded3;border-right:2px solid #d3d9d2;transform:skewY(30deg);transform-origin:left}.book-object img{width:100%;position:relative;z-index:1;border-radius:1px 3px 3px 1px}.edition-note{font-size:13px;font-weight:500;text-align:center;line-height:1.5}.edition-note>span:last-child{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:3px}.edition-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--red);margin-right:6px}.book-facts{background:var(--pale);border-block:1px solid #e3e9e6}.facts-inner{display:flex;justify-content:space-between;gap:24px;align-items:center;padding-block:27px}.facts-inner p{display:flex;gap:11px;align-items:center;font-size:14px;white-space:nowrap;margin:0}.facts-inner strong{font-family:var(--serif);font-size:27px;font-weight:400;line-height:1}.facts-inner svg{width:20px;height:20px;color:#38735c}.intro{display:grid;grid-template-columns:.9fr 1fr;gap:112px;align-items:center}.room-figure img{width:100%;max-height:570px;object-fit:cover;border-radius:8px}.room-figure figcaption{color:var(--muted);font-size:11px;margin-top:10px}.intro-copy h2{margin-bottom:28px}.intro-copy p{color:var(--muted);font-size:16px}.pull-line{font-family:var(--serif);font-size:27px;line-height:1.3;margin-block:27px 16px}.inside{background:var(--pale)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:80px;margin-bottom:48px}.section-heading>p{max-width:350px;color:var(--muted);font-size:15px}.contents-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:100px;align-items:start}.chapter-group{border-top:1px solid var(--rule)}.chapter-group summary{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-block:23px;list-style:none}.chapter-range{display:block;font-size:11px;color:var(--muted);margin-bottom:4px}.chapter-group strong{font-family:var(--serif);font-size:24px;font-weight:400;line-height:1.2}.chapter-group summary svg{width:18px;height:18px}.chapter-group[open] summary svg{transform:rotate(45deg)}summary::-webkit-details-marker{display:none}.chapter-list{margin:0;padding:0 0 24px;list-style:none;counter-reset:chapter}.chapter-list li{display:flex;justify-content:space-between;gap:14px;padding-block:8px;font-size:14px}.chapter-list li>span:last-child{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.contents-note{font-size:13px;color:var(--muted);padding-top:23px;border-top:1px solid var(--rule)}.contents-art img{width:100%;height:410px;object-fit:cover;object-position:center;border-radius:7px}.contents-art figcaption{margin-top:20px}.contents-art figcaption>span{font-family:var(--serif);font-size:26px}.contents-art figcaption p{font-size:14px;color:var(--muted);margin-top:7px}.preview-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.preview-info{max-width:450px}.preview-options{display:grid;gap:9px;margin-bottom:38px}.preview-choice{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid var(--rule);background:white;border-radius:var(--radius);padding:18px 20px;font-size:14px;text-align:left}.preview-choice>span:last-child{font-size:11px;white-space:nowrap}.preview-choice[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.preview-choice:not([aria-pressed=true]):hover{background:var(--sage)}.preview-description p{font-size:16px;color:var(--muted);margin-top:17px}.preview-info>.text-link{margin-top:20px}.small-note{font-size:12px;color:var(--muted);margin-top:25px}.sample-page{background:var(--sage);padding:34px 47px 20px;border-radius:8px}.sample-page img{width:100%;box-shadow:var(--shadow)}.sample-page figcaption{font-size:11px;text-align:center;color:var(--muted);margin-top:20px}.perspective{background:var(--sage)}.perspective-inner{max-width:1000px;display:flex;align-items:flex-start;gap:65px;padding-block:77px}.perspective-inner>svg{width:88px;height:88px;stroke-width:1;color:#38735c;margin-top:8px}.perspective h2{margin-bottom:24px}.perspective p{font-size:16px;color:var(--muted);max-width:690px}.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.faq>div>p{font-size:15px;color:var(--muted);margin-top:22px}.faq-list details{border-bottom:1px solid var(--rule)}.faq-list details:first-child{border-top:1px solid var(--rule)}.faq-list summary{padding:23px 0;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:22px;font-size:15px;font-weight:500}.faq-list summary svg{width:17px;height:17px}.faq-list details[open] summary svg{transform:rotate(45deg)}.faq-list details p{font-size:14px;color:var(--muted);padding-bottom:24px;max-width:58ch}.purchase{background:var(--ink);color:white;display:grid;grid-template-columns:.8fr 1fr;gap:82px;padding:60px 72px;border-radius:9px;align-items:center;margin-bottom:70px}.purchase-art{border-radius:50%;overflow:hidden;aspect-ratio:1;background:white}.purchase-art img{width:100%;height:100%;object-fit:cover}.purchase h2{font-size:clamp(40px,3.8vw,56px)}.purchase-copy>p{color:#d4e0df;font-size:16px;margin-top:20px}.purchase-includes{display:flex;flex-wrap:wrap;gap:11px 20px;margin-block:25px;font-size:12px;color:#d4e0df}.purchase-includes span{display:flex;gap:6px;align-items:center}.purchase-includes svg{width:16px;height:16px}.button-light{background:white;color:var(--ink)}.button-light:hover{background:#eaf1ed;box-shadow:none}.button:disabled{cursor:not-allowed;background:#e6eeeb;color:#4b6266;box-shadow:none}.purchase-copy .purchase-note{font-size:12px;color:#c1d2d0;margin-top:14px}.footer{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:38px}.footer .brand{font-size:20px}.footer .brand svg{width:29px;height:29px}.footer>p{font-family:var(--serif);font-size:16px;color:var(--muted)}.footer>div{display:flex;gap:21px;font-size:11px;color:var(--muted);align-items:center}.footer>div a{text-decoration:none}.offer-dialog{width:min(880px,calc(100vw - 48px));max-height:calc(100dvh - 48px);padding:0;border:0;border-radius:14px;background:white;color:var(--ink);box-shadow:0 30px 110px #0003;overflow:auto}.offer-dialog[open]{display:grid;grid-template-columns:.78fr 1fr}.offer-dialog::backdrop{background:#142d35a8;backdrop-filter:blur(5px)}.close-button{display:grid;place-items:center;border:0;padding:8px;background:transparent;color:var(--muted);position:absolute;right:12px;top:12px;width:40px;height:40px;border-radius:50%;z-index:2}.close-button:hover{background:#d8e3de;color:var(--ink)}.close-button svg{width:20px;height:20px}.offer-art{display:flex;align-items:center;justify-content:center;padding:48px 37px;background:var(--sage)}.offer-art img{width:240px;box-shadow:var(--shadow);transform:rotate(-4deg)}.offer-copy{padding:65px 37px 48px;display:flex;align-items:flex-start;flex-direction:column}.offer-book-icon{color:#38735c;width:31px;height:31px;margin-bottom:21px}.offer-copy h2{font-size:39px;line-height:1.15}.offer-copy>p{font-size:15px;color:var(--muted);margin-top:20px}.offer-copy>.button{margin-top:26px;width:100%}.offer-copy>.text-link{margin:14px auto 0}.offer-copy>.format-note{font-size:11px;text-align:center;align-self:center;margin-top:9px}.purchase-toast{position:fixed;bottom:24px;left:24px;z-index:5;display:flex;align-items:center;gap:15px;padding:20px 45px 20px 20px;width:365px;background:white;border-radius:12px;box-shadow:0 10px 45px #19374033;animation:toast-in .3s cubic-bezier(.16,1,.3,1)}.purchase-toast[hidden]{display:none}.purchase-toast>img{width:43px;border:1px solid var(--rule);border-radius:2px}.toast-message p{font-size:13px;line-height:1.55}.toast-message p>span:last-child{font-family:var(--serif);font-size:17px}.toast-message .toast-meta{display:flex;gap:6px;align-items:center;margin-top:6px;color:#38735c}.toast-meta svg{width:14px;height:14px}.toast-message p.toast-meta>span{font:11px var(--sans)}.purchase-toast .close-button{width:32px;height:32px;top:5px;right:5px}.purchase-toast .close-button svg{width:16px;height:16px}@keyframes book-arrive{from{transform:rotate(-2deg) rotateY(-9deg) translateY(12px)}to{transform:rotate(-5deg) rotateY(-9deg) translateY(0)}}@keyframes toast-in{from{transform:translateY(15px);opacity:0}to{transform:translateY(0);opacity:1}}
@media(min-width:1500px){.hero{gap:85px}.hero-art{min-height:610px}.book-object{width:350px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header{padding-inline:32px;gap:15px}nav{gap:20px;font-size:12px}.hero{gap:35px}.hero-art{min-height:520px;padding-inline:24px}.book-object{width:285px}.hero-actions{gap:17px;flex-wrap:wrap}.intro{gap:60px}.contents-layout,.preview-layout{gap:55px}.section-heading{gap:45px}.purchase{gap:50px;padding:50px}.facts-inner{gap:15px}.facts-inner p{font-size:12px}.facts-inner strong{font-size:24px}.faq{gap:45px}.footer>p{display:none}}
@media(max-width:800px){.header{min-height:90px}nav{display:none}.hero{grid-template-columns:1fr 1fr;gap:26px;padding-top:25px}.hero-art{min-height:460px;padding:28px 16px 20px;border-radius:70px 70px 6px 6px}.hero-copy>p{font-size:15px}.hero-copy .hero-description{margin-top:24px}h1{font-size:46px}.hero-actions{margin-top:25px;gap:10px}.hero-actions .button{font-size:13px;padding-inline:20px}.hero-copy .format-note{line-height:1.8;font-size:10px}.hero-copy .format-note span{margin-inline:3px}.facts-inner{display:grid;grid-template-columns:1fr 1fr;gap:22px 40px}.facts-inner p{font-size:14px}.section{padding-block:75px}.intro{gap:38px}.intro-copy h2{font-size:33px}.intro-copy p{font-size:14px}.pull-line{font-size:24px}.section-heading{display:block}.section-heading>p{margin-top:20px;max-width:480px}.contents-layout{gap:32px}.chapter-group strong{font-size:21px}.contents-art img{height:345px}.contents-art figcaption>span{font-size:23px}.chapter-list li{font-size:12px}.preview-layout{gap:40px}.preview-choice{padding:15px 13px;font-size:12px}.sample-page{padding:24px 22px 15px}.perspective-inner{gap:30px;padding-block:55px}.perspective-inner>svg{width:65px;height:65px}.faq{grid-template-columns:1fr;gap:32px}.faq>div>p br{display:none}.purchase{gap:30px;padding:38px}.purchase-art{border-radius:7px}.purchase-includes{gap:10px}.purchase-copy>p{font-size:14px}.purchase .button{font-size:12px;min-height:50px;padding-inline:16px}.footer>div{gap:15px}.offer-dialog{width:min(750px,calc(100vw - 32px))}.offer-copy{padding:55px 26px 32px}.offer-copy h2{font-size:32px}.offer-art{padding:35px 25px}}
@media(max-width:600px){html{scroll-padding-top:30px}.wrap{width:calc(100% - 40px)}.header{padding:20px;gap:12px;min-height:85px}.brand{font-size:21px;gap:9px}.brand svg{width:30px;height:30px}.brand-sub{font-size:9px;margin-top:5px}.button-small{font-size:11px;padding:11px 12px;min-height:42px;gap:8px}.button-small svg{width:16px;height:16px}.hero{grid-template-columns:1fr;padding-block:25px 35px;gap:33px}.hero-copy{padding:0}.hero h1{font-size:clamp(43px,10.7vw,60px);line-height:1.08;max-width:480px}.desktop-break{display:none}.hero-copy>p{font-size:16px;max-width:460px}.hero-copy .hero-description{margin-top:22px}.hero-copy>p+p{margin-top:14px}.hero-actions{margin-top:24px;gap:23px}.hero-actions .button{font-size:14px;min-height:54px;padding:16px 22px}.hero-actions .text-link{font-size:12px;gap:7px}.hero-copy .format-note{font-size:10px;margin-top:17px}.hero-art{min-height:440px;max-width:440px;width:100%;margin:auto;border-radius:70px 70px 6px 6px;padding:27px 22px 23px}.book-object{width:248px}.book-stage{padding-bottom:17px}.edition-note{font-size:12px}.edition-note>span:last-child{font-size:10px}.facts-inner{padding-block:24px;gap:20px 15px}.facts-inner p{font-size:11px;gap:8px}.facts-inner strong{font-size:23px}.facts-inner svg{width:18px;height:18px}.section{padding-block:62px}.intro{grid-template-columns:1fr;gap:30px}.room-figure img{height:355px;object-position:50% 48%}.intro-copy h2{font-size:36px;margin-bottom:23px}.intro-copy p{font-size:16px}.pull-line{font-size:27px;margin-block:24px 12px}h2{font-size:35px}.section-heading{margin-bottom:31px}.section-heading>p{font-size:15px;margin-top:20px}.contents-layout{grid-template-columns:1fr;gap:32px}.chapter-group summary{padding-block:21px}.chapter-group strong{font-size:22px}.chapter-list li{font-size:14px}.chapter-list{padding-bottom:19px}.contents-art img{height:310px;object-position:50% 50%}.contents-art figcaption{margin-top:14px}.contents-art figcaption>span{font-size:25px}.preview-layout{grid-template-columns:1fr;gap:28px}.preview-options{margin-bottom:27px}.preview-choice{padding:17px;font-size:14px}.preview-info{max-width:none}.preview-info>.small-note{font-size:12px}.sample-page{max-width:430px;width:100%;padding:26px 30px 20px;margin:auto}.perspective-inner{display:block;padding-block:50px}.perspective-inner>svg{width:48px;height:48px;margin:0 0 22px}.perspective h2{font-size:34px}.perspective p{font-size:15px}.faq{gap:30px}.faq h2{font-size:35px}.faq-list summary{font-size:14px;padding-block:21px}.faq-list details p{font-size:14px}.purchase{grid-template-columns:1fr;padding:30px 25px 34px;gap:29px;margin-bottom:40px}.purchase-art{width:200px;justify-self:center;border-radius:50%;}.purchase h2{font-size:42px}.purchase-copy>p{font-size:15px}.purchase-includes{font-size:11px;gap:9px 16px}.purchase .button{width:100%;font-size:14px}.purchase-copy .purchase-note{font-size:12px;line-height:1.6}.footer{align-items:flex-start;gap:23px;flex-direction:column;padding-bottom:30px}.footer>div{flex-wrap:wrap;gap:15px;font-size:11px}.offer-dialog{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);border-radius:12px}.offer-dialog[open]{grid-template-columns:1fr}.offer-art{padding:24px;max-height:180px;overflow:hidden;align-items:flex-start}.offer-art img{width:118px;transform:rotate(-6deg);margin-top:4px}.offer-copy{padding:26px 25px 25px;align-items:center;text-align:center}.offer-copy h2{font-size:34px}.offer-book-icon{display:none}.offer-copy>p{font-size:14px;margin-top:15px}.offer-copy>.button{margin-top:22px;min-height:52px}.offer-copy>.text-link{margin-top:12px}.offer-copy>.format-note{font-size:10px;margin-top:9px}.offer-dialog>.close-button{background:white}.purchase-toast{width:calc(100vw - 28px);max-width:365px;left:14px;bottom:14px;padding:17px 39px 17px 17px;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Launch offer: keep price and action in the first screen. */
.launch-banner{position:sticky;top:0;z-index:4;display:flex;align-items:center;justify-content:center;gap:24px;min-height:54px;padding:9px 20px;background:var(--ink);color:white;font-size:13px}
#launch-countdown{font-variant-numeric:tabular-nums;font-size:22px;font-weight:600;letter-spacing:.07em;line-height:1;min-width:99px}
.launch-banner>a{display:inline-flex;align-items:center;gap:12px;margin-left:18px;font-weight:600;text-decoration:none}
.launch-banner>a:hover{text-decoration:underline}
.launch-banner svg{width:18px;height:18px}
.header{min-height:88px;padding-block:15px}
.hero{padding-top:15px;align-items:start}
.hero-copy{padding-top:20px}
.hero h1{font-size:clamp(46px,4.7vw,68px)}
.hero-copy .hero-description{margin-top:22px}
.price-offer{display:flex;align-items:baseline;gap:13px;margin-top:23px;font-variant-numeric:tabular-nums;line-height:1.2}
.price-offer del{font-size:24px;color:var(--muted);text-decoration-thickness:1.5px}
.price-offer strong{font-family:var(--serif);font-weight:600;font-size:43px;letter-spacing:-.025em}
.price-offer>span{align-self:center;padding:6px 9px;border-radius:4px;background:var(--sage);color:var(--ink);font-size:11px}
.hero-actions{margin-top:17px}
.hero-actions>.button{min-height:62px;padding:19px 29px;font-size:17px}
.hero-copy .format-note{margin-top:17px}
.purchase-copy .price-offer{margin-block:0 23px}
.purchase-copy .price-offer del{color:#c1d2d0}
.offer-copy .price-offer{margin-top:22px}
.offer-copy>.button{margin-top:18px}
@media(max-width:800px){.launch-banner{gap:18px}.launch-banner>a{margin-left:0}.hero-copy{padding-top:10px}.hero h1{font-size:44px}.hero-actions>.button{font-size:15px;padding:18px 23px}}
@media(max-width:600px){.launch-banner{min-height:46px;gap:15px;padding:11px 12px;font-size:12px}.launch-banner>a{display:none}#launch-countdown{font-size:20px;min-width:91px}.header{min-height:76px;padding-block:15px}.hero{padding-top:12px}.hero-copy{padding-top:0}.hero h1{font-size:clamp(40px,10.5vw,56px)}.hero-copy .hero-description{font-size:15px;margin-top:18px}.price-offer{margin-top:18px}.price-offer strong{font-size:40px}.price-offer del{font-size:22px}.hero-actions{gap:15px;margin-top:15px}.hero-actions>.button{min-height:60px;font-size:16px;flex:1}.hero-actions>.text-link{font-size:11px;gap:7px}.hero-copy .format-note{font-size:9px}.offer-copy .price-offer{margin-top:18px}.offer-copy>.button{margin-top:15px}.offer-copy>.format-note{margin-top:7px}}
@media(max-width:600px){.hero-actions{display:grid;gap:9px}.hero-actions>.button{width:100%;white-space:nowrap}.hero-actions>.text-link{justify-self:center;font-size:12px;min-height:35px}}