@font-face{font-family:BookSerif;src:local('Iowan Old Style'),local('Palatino');font-display:swap}
:root{--paper:#f5f3ed;--ink:#202220;--muted:#64675e;--line:#d7d8cd;--purple:#49325f;--green:#536144;--dark:#232b23;--serif:BookSerif,'Palatino Linotype',Georgia,serif;--sans:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #8f6db5;outline-offset:5px}::selection{background:#ddd0eb}h1,h2,h3,p{margin-top:0}p{line-height:1.65}h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.045em;line-height:1.08}h3{font-size:20px;letter-spacing:-.025em;font-weight:550}.wrap{width:min(1180px,calc(100% - 112px));margin-inline:auto}.section{padding-block:110px}.eyebrow{font-size:10px;letter-spacing:.14em;font-weight:650;color:var(--green);line-height:1.5}.site-header{height:110px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{display:flex;align-items:center;gap:13px;letter-spacing:.17em;font-family:Georgia,serif;font-size:15px}.wordmark small{display:block;font-family:var(--sans);font-size:8px;letter-spacing:.44em;margin-top:4px}.brand-mark{font-size:42px;letter-spacing:-.1em;line-height:1;color:#172c4b}.brand-mark>span{color:#69517d;font-size:40px}.site-header nav{display:flex;align-items:center;gap:34px;font-size:12px}.nav-buy{border-bottom:1px solid var(--ink);padding-block:8px}.nav-buy span{margin-left:16px}.hero{display:grid;grid-template-columns:1.16fr 1fr;gap:55px;align-items:center;padding-top:65px;padding-bottom:65px}.hero .eyebrow{display:flex;gap:9px;align-items:center;margin-bottom:30px}.status-dot{height:6px;width:6px;border-radius:50%;background:#7b866d}.hero h1{font-size:clamp(46px,4.6vw,68px);margin-bottom:34px;white-space:nowrap}.hero h1 em{color:var(--purple);font-weight:400}.book-name{font-size:13px;letter-spacing:.16em;font-weight:700;margin-bottom:6px}.subtitle{font-family:var(--serif);font-size:21px;margin-bottom:20px;color:#484c42}.hero-description{font-size:14px;color:var(--muted);margin-bottom:29px;line-height:1.7}.hero-actions{display:flex;align-items:center;gap:27px}.button{min-height:49px;padding:15px 22px;display:inline-flex;align-items:center;justify-content:space-between;gap:30px;font-size:12px;border:1px solid transparent;border-radius:3px;font-weight:550;transition:background .18s,transform .18s}.button-primary{background:var(--purple);color:#fff}.button-primary:hover{background:#342044;transform:translateY(-1px)}.text-button{padding:7px 0;background:transparent;border:0;border-bottom:1px solid #acada2;border-radius:0;font-size:12px}.text-button span{margin-left:14px}.author-line{display:flex;gap:12px;align-items:center;margin-top:36px;font-size:11px;color:var(--muted)}.author-line strong{color:var(--ink);font-weight:600}.author-line small{display:block;margin-top:4px;font-size:10px}.author-initials{height:35px;width:35px;border:1px solid #cdd0c2;display:grid;place-items:center;border-radius:50%;font-family:var(--serif);color:#56614d;font-size:11px}.hero-art{min-width:0}.cover-stage{position:relative;padding:34px 42px 35px;background:#e9e9df;border:1px solid #dfdfd4;border-radius:48% 48% 5px 5px;display:flex;align-items:center;justify-content:center;min-height:525px}.book-object{position:relative;width:289px;max-width:100%;transform:rotate(-5deg);box-shadow:14px 22px 25px #17231d30;border-radius:2px}.book-object:after{content:'';position:absolute;inset:1px 0 1px 0;box-shadow:inset 5px 0 6px #ffffff20,inset 7px 0 2px #0008;border-radius:2px;pointer-events:none}.cover{display:block;width:100%;height:auto;border-radius:2px}.art-caption{display:flex;justify-content:space-between;gap:8px;margin:18px 0 0;color:#767969;font-size:8px;letter-spacing:.1em}.facts{display:flex;align-items:center;justify-content:space-between;padding-block:25px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#6e7166;font-size:11px;gap:15px}.facts strong{font-weight:550;font-size:13px;color:#343c30;margin-right:5px}.approach{display:grid;grid-template-columns:1fr 1fr;gap:90px}.section h2{font-size:45px;margin-bottom:25px}.approach-body p,.practice p,.contents-intro>p:not(.eyebrow){font-size:14px;color:var(--muted)}.approach-body .lead{font-family:var(--serif);font-size:24px;line-height:1.4;color:var(--ink);letter-spacing:-.015em}.approach-note{display:flex;gap:16px;border-top:1px solid var(--line);padding-top:20px;margin-top:25px}.approach-note>span{font-size:25px;color:var(--purple)}.approach-note p{font-size:12px;line-height:1.7;margin:0;color:#464f3e}.topics{border-top:1px solid var(--line);padding-top:65px}.section-heading{margin-bottom:45px}.topic-list article{display:grid;grid-template-columns:45px 1fr 170px;gap:25px;border-top:1px solid var(--line);padding-block:29px;align-items:start}.topic-number{color:#7c816f;font-family:var(--serif);font-style:italic;font-size:19px}.topic-list h3{margin-bottom:9px}.topic-list p{font-size:13px;color:var(--muted);max-width:590px;margin-bottom:0}.topic-tag{font-size:8px;letter-spacing:.09em;color:var(--green);padding-top:7px;text-align:right;line-height:1.6}.contents{background:#eeeee5;border-top:1px solid #dddfd2;border-bottom:1px solid #dddfd2}.contents-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:90px}.contents-intro>p{max-width:320px}.contents-detail{font-size:11px!important;margin-top:25px}.parts details{border-bottom:1px solid #cacdbe}.parts details:first-child{border-top:1px solid #cacdbe}.parts summary{list-style:none;display:flex;align-items:center;gap:23px;padding:26px 0;cursor:pointer;font-size:22px;font-family:var(--serif)}summary::-webkit-details-marker{display:none}.part-id{width:25px;color:var(--green);font-size:14px;font-style:italic}.parts summary small{display:block;font-family:var(--sans);font-size:8px;letter-spacing:.12em;color:#787c6b;margin-top:8px}.expand{margin-left:auto;color:var(--green);font-family:var(--sans);font-size:20px;transition:transform .2s}.parts details[open] .expand{transform:rotate(45deg)}.parts ol{list-style:none;margin:0 0 25px;padding:0 0 0 48px}.parts li{display:flex;gap:18px;font-size:12px;line-height:1.55;padding:8px 0}.parts li span{font-variant-numeric:tabular-nums;flex:0 0 18px;color:#8a8d7d;font-size:10px}.practice{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.practice code{font-size:12px;padding:2px 5px;background:#e8e7de}.code-panel{background:#eaeae1;border:1px solid #d6d9c9;border-radius:5px}.code-bar{padding:18px 22px;display:flex;justify-content:space-between;border-bottom:1px solid #d6d9c9;font-size:9px;letter-spacing:.12em;color:#68755e}.action-flow{list-style:none;margin:0;padding:13px 25px}.action-flow li{display:grid;grid-template-columns:27px 80px 1fr;gap:14px;padding:13px 0;align-items:center;font-size:12px}.action-flow li>span{color:#8c947f;font-family:monospace;font-size:10px}.action-flow strong{font-weight:500;color:#3b4f31}.action-flow small{color:#6b7363;font-size:11px}.code-foot{margin:0!important;padding:16px 22px;font-family:monospace;font-size:8px!important;letter-spacing:.06em;border-top:1px solid #d6d9c9}.purchase-section{background:var(--dark);color:#f2f0e5;padding-block:85px}.purchase-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.purchase-section .eyebrow{color:#b4bda6}.purchase-section h2{font-size:53px;margin-block:20px 25px}.purchase-section p{font-size:17px;line-height:1.5}.purchase-section p span{font-family:var(--serif);font-size:20px;color:#c7cdbe}.purchase-section .purchase-author{font-size:11px;color:#a7b19c;margin-top:25px}.purchase-card{border:1px solid #505c48;background:#2b3429;border-radius:5px;padding:32px}.edition-row{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.04em;color:#b8c1ac;margin-bottom:30px}.purchase-card h3{font-family:var(--serif);font-weight:400;font-size:30px;margin-bottom:12px}.purchase-card .purchase-description{font-size:12px;line-height:1.7;color:#bac3ad;margin-bottom:28px}.purchase-card .price{font-size:14px;color:#e5e8db;margin-bottom:20px;font-weight:500}.checkout-button{background:#eee9dc;color:#263120;width:100%;font-weight:600}.checkout-button:hover:not([aria-disabled=true]){background:#fff}.checkout-button[aria-disabled=true]{cursor:default;opacity:.65}.purchase-card .checkout-note{font-size:10px;line-height:1.7;color:#b3bea7;text-align:center;margin:12px 0 0}.purchase-card .checkout-status{font-size:11px;margin:10px 0 0;color:#ddd5c0}.checkout-status:empty{display:none}.faq{display:grid;grid-template-columns:1fr 1.1fr;gap:80px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}.faq-list summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:21px 0;font-size:13px}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list p{font-size:12px;color:var(--muted);padding-right:25px;margin-bottom:22px}.site-footer{border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:25px;padding-block:30px}.footer-publisher{display:flex;align-items:center;gap:20px}.footer-publisher img{width:90px;height:90px;object-fit:contain;mix-blend-mode:multiply}.footer-publisher p{font-size:10px;line-height:1.5;color:var(--muted);margin:0}.site-footer>p,.site-footer>a{font-size:9px;color:var(--muted);margin:0}.site-footer>a span{margin-left:10px}dialog{background:var(--paper);border:1px solid var(--line);border-radius:5px;width:min(720px,calc(100% - 32px));max-height:88vh;padding:34px 42px;color:var(--ink)}dialog::backdrop{background:#17211ec2;backdrop-filter:blur(5px)}.excerpt-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.dialog-close{border:0;background:transparent;font-size:27px;line-height:1;color:var(--muted);padding:4px 8px}.excerpt-header .eyebrow{font-size:9px}dialog h2{font-size:35px;line-height:1.15;margin-bottom:26px}.excerpt-text p{font-family:var(--serif);font-size:17px;line-height:1.75}.excerpt-credit{font-size:11px;color:var(--muted);padding-top:20px;border-top:1px solid var(--line)}.skip-link{position:fixed;z-index:10;top:10px;left:10px;padding:12px;background:var(--ink);color:white;transform:translateY(-160%)}.skip-link:focus{transform:none}.noscript-note{padding:20px;font-size:13px;text-align:center;background:#e8e4d9}
@media(min-width:1450px){.hero{padding-block:85px}.hero h1{font-size:72px}.cover-stage{min-height:565px}.book-object{width:310px}}
@media(max-width:1000px){.wrap{width:calc(100% - 64px)}.hero{gap:35px;grid-template-columns:1.2fr 1fr}.hero h1{font-size:49px}.cover-stage{padding:30px;min-height:440px}.hero-actions{gap:16px}.hero-actions .button{gap:15px}.art-caption{font-size:6px}.approach,.contents-grid,.practice,.purchase-grid,.faq{gap:45px}.topic-list article{grid-template-columns:30px 1fr 125px;gap:15px}.topic-tag{font-size:7px}.section h2{font-size:38px}.action-flow li{grid-template-columns:20px 65px 1fr;gap:9px}.action-flow small{font-size:10px}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.site-header{height:84px}.wordmark{font-size:12px;gap:9px}.brand-mark{font-size:34px}.wordmark small{font-size:7px}.site-header nav{gap:18px;font-size:11px}.site-header nav>a:first-child{display:none}.nav-buy span{margin-left:4px}.hero{grid-template-columns:1fr;gap:35px;padding-top:42px;padding-bottom:35px}.hero h1{font-size:clamp(43px,8.8vw,65px);margin-bottom:27px}.hero .eyebrow{margin-bottom:23px;font-size:9px}.hero-description{font-size:13px}.hero-description br{display:none}.hero-actions{gap:26px}.author-line{margin-top:27px}.cover-stage{min-height:0;padding:35px 60px;border-radius:45% 45% 4px 4px}.book-object{width:min(258px,77%)}.hero-art{max-width:450px;width:100%;margin:auto}.art-caption{font-size:7px}.facts{display:grid;grid-template-columns:1fr 1fr;gap:19px;font-size:10px;padding-block:24px}.facts strong{font-size:12px}.section{padding-block:65px}.approach,.contents-grid,.practice,.purchase-grid,.faq{grid-template-columns:1fr;gap:25px}.section h2{font-size:38px;margin-bottom:14px}.approach-body .lead{font-size:23px}.approach-body p,.practice p,.contents-intro>p:not(.eyebrow){font-size:13px}.topic-list article{grid-template-columns:25px 1fr;gap:16px;padding-block:25px}.topic-list h3{font-size:18px;line-height:1.35}.topic-list p{font-size:12px}.topic-tag{grid-column:2;text-align:left;font-size:8px;padding:0}.section-heading{margin-bottom:30px}.contents-intro>p{max-width:none}.parts summary{padding-block:22px;font-size:22px}.contents-detail{margin-top:15px}.contents-intro .text-button{margin-bottom:12px}.practice{gap:25px}.action-flow li{grid-template-columns:25px 82px 1fr;font-size:12px}.action-flow small{font-size:11px}.purchase-section{padding-block:60px}.purchase-section h2{font-size:45px}.purchase-card{padding:26px}.purchase-section .purchase-author{margin-bottom:6px}.faq-list summary{font-size:12px}.site-footer{align-items:flex-start;flex-wrap:wrap;gap:20px}.footer-publisher{width:100%}.footer-publisher img{width:70px;height:70px}.site-footer>p,.site-footer>a{font-size:9px}dialog{padding:22px}dialog h2{font-size:31px}.excerpt-text p{font-size:16px}.excerpt-header{margin-bottom:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}