.books-sales-module__BS4SzG__root{--ink:#182230;--muted:#526071;--blue:#1559c7;--line:#e5e9ef;--paper:#fff;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--ink);background:var(--paper);font-family:Toss Product Sans Books Shelf,Toss Product Sans,sans-serif}.books-sales-module__BS4SzG__root *{box-sizing:border-box}.books-sales-module__BS4SzG__root img{max-width:100%;height:auto;display:block}:is(.books-sales-module__BS4SzG__root p,.books-sales-module__BS4SzG__root h1,.books-sales-module__BS4SzG__root h2,.books-sales-module__BS4SzG__root h3,.books-sales-module__BS4SzG__root figure,.books-sales-module__BS4SzG__root dl,.books-sales-module__BS4SzG__root dd){margin:0}.books-sales-module__BS4SzG__root a:focus-visible{outline:3px solid var(--blue);outline-offset:5px;border-radius:4px}.books-sales-module__BS4SzG__root .sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.books-sales-module__BS4SzG__root .sales-page{width:100%;max-width:820px;margin:auto}.books-sales-module__BS4SzG__root .panel{border-bottom:1px solid var(--line);padding:66px 24px 78px;position:relative}.books-sales-module__BS4SzG__root .panel:last-child{border-bottom:0}.books-sales-module__BS4SzG__root .eyebrow{letter-spacing:.045em;color:var(--muted);margin-bottom:22px;font-size:12px;font-weight:600}:is(.books-sales-module__BS4SzG__root h1,.books-sales-module__BS4SzG__root h2,.books-sales-module__BS4SzG__root h3){word-break:keep-all;overflow-wrap:anywhere}.books-sales-module__BS4SzG__root h1{letter-spacing:-.055em;font-size:clamp(34px,6.5vw,62px);font-weight:800;line-height:1.18}.books-sales-module__BS4SzG__root h2{letter-spacing:-.05em;font-size:clamp(29px,5.7vw,48px);font-weight:800;line-height:1.28}.books-sales-module__BS4SzG__root h3{letter-spacing:-.025em;font-size:24px;font-weight:700;line-height:1.4}.books-sales-module__BS4SzG__root .hero{text-align:center;padding-top:48px}.books-sales-module__BS4SzG__root .hero-accent{color:#154bb0;background:linear-gradient(115deg,#154bb0 5%,#1673fc 58%,#087f96 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.books-sales-module__BS4SzG__root .hero-promise{letter-spacing:-.025em;color:var(--muted);margin-top:24px;font-size:clamp(18px,3.4vw,25px);line-height:1.6}.books-sales-module__BS4SzG__root .cover{filter:drop-shadow(0 16px 16px #18223015);width:clamp(160px,39vw,240px);margin:32px auto 28px}.books-sales-module__BS4SzG__root .actions{flex-direction:column;gap:12px;max-width:430px;margin:auto;display:flex}.books-sales-module__BS4SzG__root .button{text-align:center;word-break:keep-all;border-radius:10px;justify-content:center;align-items:center;gap:16px;min-height:52px;padding:14px 18px;font-size:17px;font-weight:700;line-height:1.5;display:flex}.books-sales-module__BS4SzG__root .primary{background:var(--blue);color:#fff}.books-sales-module__BS4SzG__root .secondary{color:var(--blue);background:#f0f5ff}.books-sales-module__BS4SzG__root .helper{color:var(--muted);text-align:center;font-size:13px;line-height:1.7}.books-sales-module__BS4SzG__root .quiet-link{justify-content:center;align-items:center;gap:8px;min-height:44px;font-size:14px;display:flex}.books-sales-module__BS4SzG__root .lead{letter-spacing:-.025em;color:var(--muted);word-break:keep-all;margin-top:24px;font-size:clamp(17px,3vw,22px);line-height:1.8}.books-sales-module__BS4SzG__root .wide-break{display:none}.books-sales-module__BS4SzG__root .artwork{width:100%}.books-sales-module__BS4SzG__root .daily-art{margin:8px 0 16px}:is(.books-sales-module__BS4SzG__root .scene-head,.books-sales-module__BS4SzG__root .scene-flow){grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.books-sales-module__BS4SzG__root .scene-head{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:16px;font-size:13px}.books-sales-module__BS4SzG__root .scene{border-bottom:1px solid var(--line);padding:22px 0}.books-sales-module__BS4SzG__root .scene:last-child{border-bottom:0}.books-sales-module__BS4SzG__root .scene-category{color:var(--muted);margin-bottom:9px;font-size:13px}.books-sales-module__BS4SzG__root .scene-flow{word-break:keep-all;letter-spacing:-.03em;font-size:clamp(15px,2.9vw,21px);font-weight:600;line-height:1.5}.books-sales-module__BS4SzG__root .scene-flow>span{min-width:0;position:relative}.books-sales-module__BS4SzG__root .scene-flow>span:not(:last-child):after{content:"→";color:#9ba5b3;font-size:16px;font-weight:400;position:absolute;top:0;right:-18px}.books-sales-module__BS4SzG__root .diagram{margin:24px -8px 32px;position:relative}.books-sales-module__BS4SzG__root .diagram-label{text-align:center;letter-spacing:-.02em;flex-direction:column;gap:4px;line-height:1.2;display:flex;position:absolute}.books-sales-module__BS4SzG__root .diagram-label b{font-size:clamp(16px,3.3vw,26px)}.books-sales-module__BS4SzG__root .diagram-label small{color:var(--muted);background:#ffffffd9;border-radius:3px;padding:3px 5px;font-size:clamp(11px,2.3vw,16px)}.books-sales-module__BS4SzG__root .divergent-thought{top:0;right:3%}.books-sales-module__BS4SzG__root .divergent-emotion{top:13%;left:2%}.books-sales-module__BS4SzG__root .divergent-action{bottom:0;right:1%}.books-sales-module__BS4SzG__root .aligned-thought{top:37%;left:8%}.books-sales-module__BS4SzG__root .aligned-emotion{top:56%;left:7%}.books-sales-module__BS4SzG__root .aligned-action{top:76%;left:11%}.books-sales-module__BS4SzG__root .aligned-goal{color:#fff;top:25%;right:6%}.books-sales-module__BS4SzG__root .section-conclusion{letter-spacing:-.03em;font-size:clamp(20px,3.6vw,28px);font-weight:600;line-height:1.6}.books-sales-module__BS4SzG__root .method-list>div{border-bottom:1px solid var(--line);align-items:flex-start;gap:26px;padding:21px 0;display:flex}.books-sales-module__BS4SzG__root .method-list>div:first-child{padding-top:4px}.books-sales-module__BS4SzG__root .method-list>div:last-child{border-bottom:0}.books-sales-module__BS4SzG__root .method-list dt{flex:0 0 40px;font-size:18px;font-weight:700;line-height:1.7}.books-sales-module__BS4SzG__root .method-list dd{color:var(--muted);word-break:keep-all;font-size:17px;line-height:1.8}.books-sales-module__BS4SzG__root .research-note{border-top:1px solid var(--line);margin-top:48px;padding-top:40px}.books-sales-module__BS4SzG__root .research-note .eyebrow{margin-bottom:16px}.books-sales-module__BS4SzG__root .research-note h3{letter-spacing:-.04em;font-size:clamp(28px,5vw,38px);line-height:1.35}.books-sales-module__BS4SzG__root .research-note>p:not(.eyebrow):not(.source-note){word-break:keep-all;color:var(--muted);margin-top:24px;font-size:18px;line-height:1.9}.books-sales-module__BS4SzG__root .source-note{color:var(--muted);margin-top:22px;font-size:13px;line-height:1.75}.books-sales-module__BS4SzG__root .part{border-top:1px solid var(--line);padding:28px 0 30px;position:relative}.books-sales-module__BS4SzG__root .part-number{letter-spacing:.08em;color:var(--muted);margin-bottom:10px;font-size:13px;font-weight:600}.books-sales-module__BS4SzG__root .part h3{margin-bottom:22px;font-size:22px}.books-sales-module__BS4SzG__root .part ol{counter-reset:chapter var(--start);margin:0;padding:0;list-style:none}.books-sales-module__BS4SzG__root .part:first-of-type{--start:0}.books-sales-module__BS4SzG__root .part:nth-of-type(2){--start:3}.books-sales-module__BS4SzG__root .part:nth-of-type(3){--start:6}.books-sales-module__BS4SzG__root .part:nth-of-type(4){--start:9}.books-sales-module__BS4SzG__root .part li{counter-increment:chapter;color:var(--muted);word-break:keep-all;align-items:baseline;gap:18px;padding:7px 0;font-size:17px;line-height:1.7;display:flex}.books-sales-module__BS4SzG__root .part li:before{content:counter(chapter,decimal-leading-zero);font-variant-numeric:tabular-nums;color:#7a8796;min-width:21px;font-size:13px}.books-sales-module__BS4SzG__root .bookends{border-top:1px solid var(--line);flex-direction:column;gap:20px;padding-top:26px;display:flex}.books-sales-module__BS4SzG__root .bookends dt{color:var(--muted);margin-bottom:5px;font-size:13px}.books-sales-module__BS4SzG__root .bookends dd{word-break:keep-all;font-size:17px;line-height:1.7}.books-sales-module__BS4SzG__root .devices{aspect-ratio:1.38;margin:50px -5px 0;position:relative}.books-sales-module__BS4SzG__root .laptop{background:#15181d;border-radius:14px 14px 0 0;width:92%;padding:8px 8px 0;position:absolute;top:5%;left:0;box-shadow:0 12px 18px #18223015}.books-sales-module__BS4SzG__root .laptop-screen{aspect-ratio:1.6;background:#fff;border-radius:5px;font-size:9px;display:flex;overflow:hidden}.books-sales-module__BS4SzG__root .laptop-screen aside{background:#f3f6fb;flex-direction:column;flex:0 0 29%;gap:13px;padding:14px 10px;font-size:7px;line-height:1.65;display:flex}.books-sales-module__BS4SzG__root .laptop-screen aside strong{margin-bottom:4px;font-size:9px}.books-sales-module__BS4SzG__root .selected{color:var(--blue);background:#e3edff;border-radius:4px;margin-left:-4px;padding:5px}.books-sales-module__BS4SzG__root .laptop-screen article{flex:1;min-width:0;padding:20px 16px;position:relative}.books-sales-module__BS4SzG__root .reader-kicker{color:var(--muted);margin-bottom:8px;font-size:8px;display:block}.books-sales-module__BS4SzG__root .laptop-screen h3{letter-spacing:-.03em;margin-bottom:20px;font-size:13px;line-height:1.5}.books-sales-module__BS4SzG__root .laptop-screen p{word-break:keep-all;margin-bottom:12px;font-size:9px;line-height:1.85}.books-sales-module__BS4SzG__root .laptop-base{background:linear-gradient(#dde0e4,#b2b8c0);border-radius:0 0 50% 50%;height:9px;margin:0 -5% -9px}.books-sales-module__BS4SzG__root .phone{aspect-ratio:.48;background:#131820;border-radius:17px;width:27%;padding:5px;position:absolute;bottom:1%;right:0;box-shadow:0 6px 18px #18223025}.books-sales-module__BS4SzG__root .phone-content{background:#fff;border-radius:12px;height:100%;padding:20px 9px 12px;position:relative;overflow:hidden}.books-sales-module__BS4SzG__root .phone-content>b{margin-bottom:18px;font-size:8px;display:block}.books-sales-module__BS4SzG__root .phone-notch{z-index:1;background:#131820;border-radius:0 0 8px 8px;width:50%;height:9px;position:absolute;top:4px;left:25%}.books-sales-module__BS4SzG__root .phone-content h3{margin-bottom:14px;font-size:11px;line-height:1.45}.books-sales-module__BS4SzG__root .phone-content p{font-size:7px;line-height:1.8}.books-sales-module__BS4SzG__root .phone-content .reader-kicker{font-size:7px}.books-sales-module__BS4SzG__root .reader-bottom{border-top:1px solid var(--line);color:var(--blue);justify-content:space-between;padding-top:8px;font-size:7px;display:flex;position:absolute;bottom:10px;left:9px;right:9px}.books-sales-module__BS4SzG__root .laptop-screen .reader-bottom{left:16px;right:16px}.books-sales-module__BS4SzG__root .device-caption{text-align:center;color:var(--muted);margin-top:20px;font-size:12px;line-height:1.6}.books-sales-module__BS4SzG__root .reading-instruction{text-align:center;color:var(--muted);margin-top:30px;font-size:18px;line-height:1.8}.books-sales-module__BS4SzG__root .offer{border-top:1px solid var(--line);text-align:center;margin-top:50px;padding-top:42px}.books-sales-module__BS4SzG__root .price{letter-spacing:-.05em;margin-bottom:12px;font-size:42px;font-weight:700}.books-sales-module__BS4SzG__root .price span{font-size:30px}.books-sales-module__BS4SzG__root .offer h3{font-size:21px;line-height:1.5}.books-sales-module__BS4SzG__root .terms{color:var(--muted);margin:14px 0 28px;font-size:15px}.books-sales-module__BS4SzG__root .offer .helper{margin-top:20px}.books-sales-module__BS4SzG__root .legal-link{color:var(--muted);text-underline-offset:3px;align-items:center;min-height:44px;margin-top:5px;font-size:13px;line-height:1.7;text-decoration:underline;display:inline-flex}.books-sales-module__BS4SzG__root .letter{padding-top:80px;padding-bottom:90px}.books-sales-module__BS4SzG__root .letter h2{margin-bottom:44px;font-size:clamp(29px,5.3vw,43px);line-height:1.35}.books-sales-module__BS4SzG__root .letter-body p{letter-spacing:-.02em;word-break:keep-all;overflow-wrap:break-word;margin-bottom:28px;font-size:18px;line-height:1.95}.books-sales-module__BS4SzG__root .letter-body p:last-child{margin-bottom:0}.books-sales-module__BS4SzG__root .signature{text-align:right;padding-top:10px;font-weight:600}@media (min-width:600px){.books-sales-module__BS4SzG__root .panel{padding:88px 58px 102px}.books-sales-module__BS4SzG__root .hero{padding-top:72px}.books-sales-module__BS4SzG__root .hero .cover{margin-top:40px}.books-sales-module__BS4SzG__root .hero-actions{max-width:420px}.books-sales-module__BS4SzG__root .button{min-height:58px;font-size:19px}.books-sales-module__BS4SzG__root .eyebrow{font-size:14px}.books-sales-module__BS4SzG__root .helper{font-size:14px}.books-sales-module__BS4SzG__root .wide-break{display:block}:is(.books-sales-module__BS4SzG__root .scene-head,.books-sales-module__BS4SzG__root .scene-category){font-size:16px}.books-sales-module__BS4SzG__root .scene{padding:26px 0}.books-sales-module__BS4SzG__root .diagram{margin:36px 0 42px}.books-sales-module__BS4SzG__root .method-list dt{flex-basis:48px;font-size:22px}.books-sales-module__BS4SzG__root .method-list dd{font-size:21px}.books-sales-module__BS4SzG__root .research-note>p:not(.eyebrow):not(.source-note){font-size:22px}.books-sales-module__BS4SzG__root .part h3{font-size:28px}:is(.books-sales-module__BS4SzG__root .part li,.books-sales-module__BS4SzG__root .bookends dd){font-size:21px}.books-sales-module__BS4SzG__root .part li:before{min-width:25px;font-size:16px}:is(.books-sales-module__BS4SzG__root .part-number,.books-sales-module__BS4SzG__root .bookends dt){font-size:16px}.books-sales-module__BS4SzG__root .source-note{font-size:14px}.books-sales-module__BS4SzG__root .part{padding:34px 0 40px}.books-sales-module__BS4SzG__root .devices{margin-top:58px}.books-sales-module__BS4SzG__root .laptop{border-radius:22px 22px 0 0;padding:12px 12px 0}.books-sales-module__BS4SzG__root .laptop-screen aside{gap:21px;padding:22px 16px;font-size:11px}.books-sales-module__BS4SzG__root .laptop-screen aside strong{font-size:15px}.books-sales-module__BS4SzG__root .laptop-screen article{padding:30px 24px}.books-sales-module__BS4SzG__root .reader-kicker{font-size:13px}.books-sales-module__BS4SzG__root .laptop-screen h3{margin-bottom:28px;font-size:21px}.books-sales-module__BS4SzG__root .laptop-screen p{margin-bottom:18px;font-size:14px}.books-sales-module__BS4SzG__root .reader-bottom{font-size:11px}.books-sales-module__BS4SzG__root .phone{border-radius:27px;padding:8px}.books-sales-module__BS4SzG__root .phone-content{border-radius:19px;padding:35px 15px 18px}.books-sales-module__BS4SzG__root .phone-content>b{margin-bottom:27px;font-size:13px}.books-sales-module__BS4SzG__root .phone-content h3{margin-bottom:22px;font-size:18px}.books-sales-module__BS4SzG__root .phone-content p{font-size:11px}.books-sales-module__BS4SzG__root .phone-content .reader-kicker{font-size:11px}.books-sales-module__BS4SzG__root .phone-notch{height:14px;top:6px}.books-sales-module__BS4SzG__root .device-caption{font-size:14px}.books-sales-module__BS4SzG__root .reading-instruction{font-size:22px}.books-sales-module__BS4SzG__root .price{font-size:54px}.books-sales-module__BS4SzG__root .offer h3{font-size:27px}.books-sales-module__BS4SzG__root .terms{font-size:18px}.books-sales-module__BS4SzG__root .letter-body p{margin-bottom:34px;font-size:22px;line-height:1.95}}.books-sales-module__BS4SzG__root .laptop-screen h3{overflow-wrap:anywhere}.books-sales-module__BS4SzG__root .laptop-screen p{white-space:normal;overflow-wrap:anywhere}.books-sales-module__BS4SzG__root .laptop-screen aside{gap:clamp(8px,2vw,18px)}.books-sales-module__BS4SzG__root .daily-art{aspect-ratio:1.6;object-fit:cover}.books-sales-module__BS4SzG__root .scene-emoji{margin-bottom:10px;font-family:Segoe UI Emoji,Apple Color Emoji,sans-serif;font-size:32px;font-style:normal;line-height:1.3;display:block}.books-sales-module__BS4SzG__root .scene-flow>span:not(:last-child):after{top:10px}.books-sales-module__BS4SzG__root .scene-head{padding-bottom:12px}.books-sales-module__BS4SzG__root .scene{padding:18px 0}.books-sales-module__BS4SzG__root .scenes{margin-top:0}.books-sales-module__BS4SzG__root .problem-statement{letter-spacing:-.035em;word-break:keep-all;margin-top:22px;font-size:clamp(21px,3.7vw,31px);font-weight:600;line-height:1.6}.books-sales-module__BS4SzG__root .aligned-thought{top:38.5%;left:18%;transform:translate(-50%,-50%)}.books-sales-module__BS4SzG__root .aligned-emotion{top:57%;left:18%;transform:translate(-50%,-50%)}.books-sales-module__BS4SzG__root .aligned-action{top:76%;left:21%;transform:translate(-50%,-50%)}.books-sales-module__BS4SzG__root .research-note{margin-top:38px;padding-top:34px}.books-sales-module__BS4SzG__root .research-fields{max-width:510px;color:var(--muted);flex-wrap:wrap;justify-content:flex-start;gap:8px 14px;margin-top:22px;font-size:14px;line-height:1.6;display:flex}.books-sales-module__BS4SzG__root .research-fields span{border-bottom:1px solid #e5e9ef;padding:3px 0}.books-sales-module__BS4SzG__root .research-journey{margin:20px -12px 0;position:relative}.books-sales-module__BS4SzG__root .research-journey>img{width:100%}.books-sales-module__BS4SzG__root .research-stages{letter-spacing:-.025em;font-size:clamp(15px,2.8vw,21px);font-weight:600;line-height:1.5}.books-sales-module__BS4SzG__root .research-stages>span{word-break:keep-all;background:#ffffffec;border-radius:4px;max-width:39%;padding:3px 5px;position:absolute;left:2%}.books-sales-module__BS4SzG__root .research-stages>span:first-child{top:32%}.books-sales-module__BS4SzG__root .research-stages>span:nth-child(2){top:65%}.books-sales-module__BS4SzG__root .research-stages>span:nth-child(3){max-width:34%;font-weight:400;top:86%}.books-sales-module__BS4SzG__root .research-stages b{font-weight:700}.books-sales-module__BS4SzG__root .research-note .source-note{margin-top:20px}.books-sales-module__BS4SzG__root .contents .lead{margin-bottom:30px}.books-sales-module__BS4SzG__root .contents-count{font-size:13px;font-weight:400}.books-sales-module__BS4SzG__root .learning-map{margin:0;padding:0;list-style:none;position:relative}.books-sales-module__BS4SzG__root .learning-map:before{content:"";background:#dfe7f2;width:2px;position:absolute;top:54px;bottom:60px;left:40px}.books-sales-module__BS4SzG__root .learning-step{border-bottom:1px solid var(--line);grid-template-columns:82px minmax(0,1fr);align-items:center;gap:14px;padding:17px 0;display:grid;position:relative}.books-sales-module__BS4SzG__root .learning-step:last-child{border:0}.books-sales-module__BS4SzG__root .map-picture{background-color:#fff;background-repeat:no-repeat;background-size:200% 200%;border-radius:50%;width:82px;height:82px;position:relative}.books-sales-module__BS4SzG__root .map-picture-1{background-position:0 0}.books-sales-module__BS4SzG__root .map-picture-2{background-position:100% 0}.books-sales-module__BS4SzG__root .map-picture-3{background-position:0 100%}.books-sales-module__BS4SzG__root .map-picture-4{background-position:100% 100%}.books-sales-module__BS4SzG__root .map-part{color:var(--muted);margin-bottom:5px;font-size:11px}.books-sales-module__BS4SzG__root .map-copy h3{margin-bottom:8px;font-size:20px;line-height:1.25}.books-sales-module__BS4SzG__root .map-problem{color:var(--muted);word-break:keep-all;font-size:13px;line-height:1.7}.books-sales-module__BS4SzG__root .map-outcome{word-break:keep-all;margin-top:4px;font-size:14px;font-weight:600;line-height:1.65}.books-sales-module__BS4SzG__root .map-outcome>span{color:var(--blue)}.books-sales-module__BS4SzG__root .full-contents{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:24px}.books-sales-module__BS4SzG__root .full-contents summary{cursor:pointer;justify-content:space-between;align-items:center;gap:14px;min-height:54px;padding:17px 0;font-size:15px;font-weight:600;list-style:none;display:flex}.books-sales-module__BS4SzG__root .full-contents summary::-webkit-details-marker{display:none}.books-sales-module__BS4SzG__root .full-contents summary:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.books-sales-module__BS4SzG__root .full-contents[open] summary>span{transform:rotate(45deg)}.books-sales-module__BS4SzG__root .expanded-contents{padding-bottom:26px}.books-sales-module__BS4SzG__root .toc-part{border-top:1px solid var(--line);padding:24px 0}.books-sales-module__BS4SzG__root .toc-part h3{font-size:18px}.books-sales-module__BS4SzG__root .toc-part ol{margin:16px 0 0;padding-left:20px}.books-sales-module__BS4SzG__root .toc-part li{word-break:keep-all;color:var(--muted);padding:7px 0;font-size:15px;line-height:1.65}.books-sales-module__BS4SzG__root .toc-intro{color:var(--muted);margin-top:12px;font-size:13px;line-height:1.7}.books-sales-module__BS4SzG__root .toc-bookend{word-break:keep-all;font-size:15px;line-height:1.7}.books-sales-module__BS4SzG__root .toc-bookend>b{color:var(--muted);margin-bottom:7px;font-size:12px;display:block}.books-sales-module__BS4SzG__root .laptop-screen{aspect-ratio:1.6;display:block}.books-sales-module__BS4SzG__root .laptop-screen>img{object-fit:contain;width:100%;height:100%}.books-sales-module__BS4SzG__root .phone{aspect-ratio:390/844;width:29%;padding:5px;bottom:0}.books-sales-module__BS4SzG__root .phone-content{border-radius:12px;padding:0}.books-sales-module__BS4SzG__root .phone-content>img{object-fit:contain;width:100%;height:100%}.books-sales-module__BS4SzG__root .phone-notch{width:33%;height:7px;top:4px;left:33.5%}.books-sales-module__BS4SzG__root .devices{aspect-ratio:1.32}.books-sales-module__BS4SzG__root .device-caption{margin-top:24px;font-size:12px}.books-sales-module__BS4SzG__root .reading-instruction{font-size:17px}.books-sales-module__BS4SzG__root .letter{background:#f4f5f7;border-bottom:0;padding:38px 15px 48px}.books-sales-module__BS4SzG__root .letter-paper{background:#fffdf6;border:1px solid #e7e3d8;padding:38px 22px 42px;position:relative;box-shadow:0 12px 32px #22283a08}.books-sales-module__BS4SzG__root .letter-paper:before{content:"";background:linear-gradient(225deg,#f4f5f7 0 49%,#eee9db 50%,#fffdf6 90%);border-bottom:1px solid #e7e3d8;border-left:1px solid #e7e3d8;width:45px;height:45px;position:absolute;top:-1px;right:-1px;box-shadow:-3px 3px 7px #665a3810}.books-sales-module__BS4SzG__root .letter .eyebrow{letter-spacing:0;color:#70665c;margin-bottom:22px;padding-right:22px;font-family:Nanum Pen Script,cursive;font-size:20px}.books-sales-module__BS4SzG__root .letter h2{letter-spacing:-.01em;color:#34302a;margin-bottom:28px;font-family:Nanum Pen Script,cursive;font-size:34px;font-weight:400;line-height:1.3}.books-sales-module__BS4SzG__root .letter-body p{letter-spacing:0;color:#39352e;word-break:keep-all;overflow-wrap:break-word;margin-bottom:22px;font-family:Nanum Pen Script,cursive;font-size:25px;font-weight:400;line-height:1.65}.books-sales-module__BS4SzG__root .letter .signature{padding-top:12px;font-size:29px}@media (min-width:600px){.books-sales-module__BS4SzG__root .scene-emoji{margin-bottom:12px;font-size:44px}.books-sales-module__BS4SzG__root .scene-flow>span:not(:last-child):after{top:20px}.books-sales-module__BS4SzG__root .research-fields{gap:8px 20px;font-size:17px}.books-sales-module__BS4SzG__root .research-journey{margin-top:26px}.books-sales-module__BS4SzG__root .research-stages>span{left:0}.books-sales-module__BS4SzG__root .contents-count{font-size:16px}.books-sales-module__BS4SzG__root .learning-step{grid-template-columns:118px minmax(0,1fr);gap:26px;padding:22px 0}.books-sales-module__BS4SzG__root .map-picture{width:118px;height:118px}.books-sales-module__BS4SzG__root .learning-map:before{left:58px}.books-sales-module__BS4SzG__root .map-part{font-size:13px}.books-sales-module__BS4SzG__root .map-copy h3{font-size:28px}.books-sales-module__BS4SzG__root .map-problem{font-size:17px}.books-sales-module__BS4SzG__root .map-outcome{font-size:19px}.books-sales-module__BS4SzG__root .full-contents summary{min-height:62px;font-size:18px}.books-sales-module__BS4SzG__root .toc-part h3{font-size:23px}:is(.books-sales-module__BS4SzG__root .toc-part li,.books-sales-module__BS4SzG__root .toc-bookend){font-size:18px}.books-sales-module__BS4SzG__root .toc-intro{font-size:16px}.books-sales-module__BS4SzG__root .toc-bookend>b{font-size:14px}.books-sales-module__BS4SzG__root .phone{border-radius:27px;padding:8px}.books-sales-module__BS4SzG__root .phone-content{border-radius:19px;padding:0}.books-sales-module__BS4SzG__root .phone-notch{height:12px;top:6px}.books-sales-module__BS4SzG__root .device-caption{font-size:14px}.books-sales-module__BS4SzG__root .reading-instruction{font-size:22px}.books-sales-module__BS4SzG__root .letter{padding:58px 32px 68px}.books-sales-module__BS4SzG__root .letter-paper{padding:58px 44px 60px}.books-sales-module__BS4SzG__root .letter .eyebrow{font-size:26px}.books-sales-module__BS4SzG__root .letter h2{margin-bottom:38px;font-size:46px}.books-sales-module__BS4SzG__root .letter-body p{margin-bottom:30px;font-size:32px;line-height:1.6}.books-sales-module__BS4SzG__root .letter .signature{font-size:38px}}.books-sales-module__BS4SzG__root .scene-flow>span{overflow-wrap:anywhere}.books-sales-module__BS4SzG__root .problem-explanation{margin-top:24px}.books-sales-module__BS4SzG__root .unconscious-diagram{margin:32px -8px 28px;position:relative}.books-sales-module__BS4SzG__root .unconscious-diagram>img{width:100%}.books-sales-module__BS4SzG__root .unconscious-diagram .diagram-label{text-align:center;white-space:nowrap;background:0 0;padding:0;position:absolute}.books-sales-module__BS4SzG__root .unconscious-diagram .diagram-label b{font-size:21px;font-weight:700;line-height:1.25;display:block}.books-sales-module__BS4SzG__root .unconscious-diagram .diagram-label small{color:#526071;margin-top:4px;font-size:11px;font-weight:500;line-height:1.4;display:block}.books-sales-module__BS4SzG__root .unconscious-action{color:#182230;top:25%;left:15%;transform:translate(-50%)}.books-sales-module__BS4SzG__root .unconscious-emotion{color:#862b4e;top:20%;left:50%;transform:translate(-50%)}.books-sales-module__BS4SzG__root .unconscious-thought{color:#1559c7;top:6%;left:86%;transform:translate(-50%)}.books-sales-module__BS4SzG__root .avoidance-example{border-top:1px solid var(--line);margin-top:34px;padding:26px 0 0}.books-sales-module__BS4SzG__root .example-context{word-break:keep-all;margin-bottom:26px;font-size:17px;font-weight:600;line-height:1.6}:is(.books-sales-module__BS4SzG__root .example-intent,.books-sales-module__BS4SzG__root .example-feeling){border-radius:12px;padding:18px 16px}.books-sales-module__BS4SzG__root .example-intent{background:#f2f6fc;border-left:3px solid #1559c7}.books-sales-module__BS4SzG__root .example-feeling{background:#fff3f5;border-left:3px solid #a43d60;margin-top:14px}.books-sales-module__BS4SzG__root .example-label{margin-bottom:8px;font-size:18px;font-weight:700;line-height:1.35;display:block}:is(.books-sales-module__BS4SzG__root .thought-label,.books-sales-module__BS4SzG__root .intended-label){color:#1559c7}.books-sales-module__BS4SzG__root .emotion-label{color:#862b4e}.books-sales-module__BS4SzG__root .action-label{color:#863946}:is(.books-sales-module__BS4SzG__root .example-intent p,.books-sales-module__BS4SzG__root .example-feeling p){letter-spacing:-.025em;word-break:keep-all;font-size:19px;font-weight:500;line-height:1.55}.books-sales-module__BS4SzG__root .example-emoji{margin-right:5px;font-family:Segoe UI Emoji,Apple Color Emoji,sans-serif;font-size:25px}.books-sales-module__BS4SzG__root .example-fork{height:48px;margin:0 0 5px}.books-sales-module__BS4SzG__root .example-fork svg{width:100%;height:100%;display:block}.books-sales-module__BS4SzG__root .example-branches{grid-template-columns:1fr 1fr;gap:12px;display:grid}.books-sales-module__BS4SzG__root .example-branches>div{text-align:center;border-radius:12px;min-width:0;padding:16px 8px 18px}.books-sales-module__BS4SzG__root .actual-branch{background:#fff3f5;border:1px solid #eed0d8}.books-sales-module__BS4SzG__root .intended-branch{background:#f7f9fd;border:1px dashed #aac2e8}.books-sales-module__BS4SzG__root .example-branches .example-label{word-break:keep-all;font-size:16px}.books-sales-module__BS4SzG__root .branch-emoji{margin:8px 0;font-family:Segoe UI Emoji,Apple Color Emoji,sans-serif;font-size:30px;line-height:1.4;display:block}.books-sales-module__BS4SzG__root .example-branches p{word-break:keep-all;font-size:18px;font-weight:600;line-height:1.5}.books-sales-module__BS4SzG__root .example-explanation{color:var(--muted);word-break:keep-all;margin-top:22px;font-size:17px;line-height:1.8}.books-sales-module__BS4SzG__root .road-comparison{margin:38px 0 30px;position:relative}.books-sales-module__BS4SzG__root .road-comparison>img{width:100%}.books-sales-module__BS4SzG__root .road-label{background:#fff;position:absolute;left:0}.books-sales-module__BS4SzG__root .road-label b{letter-spacing:-.03em;font-size:20px;line-height:1.4;display:block}.books-sales-module__BS4SzG__root .road-label small{color:var(--muted);margin-top:3px;font-size:12px;line-height:1.5;display:block}.books-sales-module__BS4SzG__root .before-label{top:0}.books-sales-module__BS4SzG__root .after-label{top:50%}.books-sales-module__BS4SzG__root .after-label b{color:var(--blue)}:is(.books-sales-module__BS4SzG__root .letter .eyebrow,.books-sales-module__BS4SzG__root .letter h2,.books-sales-module__BS4SzG__root .letter-body p){font-family:Toss Product Sans Books Shelf,Toss Product Sans,sans-serif}.books-sales-module__BS4SzG__root .letter .eyebrow{letter-spacing:0;font-size:13px;font-weight:500;line-height:1.7}.books-sales-module__BS4SzG__root .letter h2{letter-spacing:-.04em;font-size:30px;font-weight:700;line-height:1.45}.books-sales-module__BS4SzG__root .letter-body p{letter-spacing:-.02em;color:#34302a;margin-bottom:26px;font-size:18px;font-weight:400;line-height:1.95}.books-sales-module__BS4SzG__root .letter .signature{padding-top:16px;font-size:20px;font-weight:600}.books-sales-module__BS4SzG__root .letter-cta{text-align:center;max-width:440px;margin:32px auto 0}.books-sales-module__BS4SzG__root .letter-cta .helper{margin-top:20px;line-height:1.8}@media (min-width:600px){.books-sales-module__BS4SzG__root .unconscious-diagram .diagram-label b{font-size:30px}.books-sales-module__BS4SzG__root .unconscious-diagram .diagram-label small{font-size:15px}.books-sales-module__BS4SzG__root .example-context{margin-bottom:30px;font-size:23px}.books-sales-module__BS4SzG__root .avoidance-example{margin-top:44px;padding-top:36px}:is(.books-sales-module__BS4SzG__root .example-intent,.books-sales-module__BS4SzG__root .example-feeling){padding:23px 26px}.books-sales-module__BS4SzG__root .example-label{font-size:24px}:is(.books-sales-module__BS4SzG__root .example-intent p,.books-sales-module__BS4SzG__root .example-feeling p){font-size:26px}.books-sales-module__BS4SzG__root .example-emoji{font-size:34px}.books-sales-module__BS4SzG__root .example-branches .example-label{font-size:21px}.books-sales-module__BS4SzG__root .example-branches p{font-size:25px}.books-sales-module__BS4SzG__root .example-branches>div{padding:23px 16px}.books-sales-module__BS4SzG__root .branch-emoji{font-size:40px}.books-sales-module__BS4SzG__root .example-explanation{font-size:22px}.books-sales-module__BS4SzG__root .road-label b{font-size:29px}.books-sales-module__BS4SzG__root .road-label small{font-size:17px}.books-sales-module__BS4SzG__root .letter .eyebrow{font-size:16px}.books-sales-module__BS4SzG__root .letter h2{font-size:40px}.books-sales-module__BS4SzG__root .letter-body p{margin-bottom:34px;font-size:22px;line-height:1.95}.books-sales-module__BS4SzG__root .letter .signature{font-size:24px}.books-sales-module__BS4SzG__root .letter-cta{margin-top:44px}}.books-sales-module__BS4SzG__root .unconscious-action{top:21%}.books-sales-module__BS4SzG__root .unconscious-emotion{top:15%}.books-sales-module__BS4SzG__root .unconscious-thought{top:0}.books-sales-module__BS4SzG__root .unnoticed-feeling{border:1px dashed #d697aa;border-left:3px solid #a43d60}.books-sales-module__BS4SzG__root .emotion-label small{color:#743a50;margin-top:5px;font-size:12px;font-weight:500;line-height:1.5;display:block}.books-sales-module__BS4SzG__root .example-feeling .unnoticed-note{color:#743a50;letter-spacing:-.01em;margin-top:12px;font-size:13px;font-weight:400;line-height:1.65}.books-sales-module__BS4SzG__root .example-reason{border-bottom:1px solid var(--line);padding:16px 16px 20px}.books-sales-module__BS4SzG__root .reason-connector{text-align:center;color:#a43d60;margin-bottom:17px;font-size:24px;line-height:1;display:block}.books-sales-module__BS4SzG__root .reason-label{color:#526071;font-size:15px;font-weight:600}.books-sales-module__BS4SzG__root .example-reason p{letter-spacing:-.025em;word-break:keep-all;font-size:20px;font-weight:500;line-height:1.6}.books-sales-module__BS4SzG__root .example-recognition{letter-spacing:-.03em;word-break:keep-all;margin-top:22px;font-size:19px;font-weight:600;line-height:1.75}.books-sales-module__BS4SzG__root .road-comparison{margin-bottom:0}@media (min-width:600px){.books-sales-module__BS4SzG__root .emotion-label small{font-size:16px}.books-sales-module__BS4SzG__root .example-feeling .unnoticed-note{font-size:17px}.books-sales-module__BS4SzG__root .example-reason{padding:20px 26px 26px}.books-sales-module__BS4SzG__root .reason-label{font-size:19px}.books-sales-module__BS4SzG__root .example-reason p{font-size:27px}.books-sales-module__BS4SzG__root .reason-connector{margin-bottom:20px;font-size:30px}.books-sales-module__BS4SzG__root .example-recognition{margin-top:28px;font-size:25px}}.books-sales-module__BS4SzG__root .state-actions{max-width:430px;margin-inline:auto}.books-sales-module__BS4SzG__root .hero-actions{margin-top:28px}.books-sales-module__BS4SzG__shell{background:#fff;font-family:Toss Product Sans Books Shelf,Toss Product Sans,sans-serif}.books-sales-module__BS4SzG__root .hero-actions [data-books-analytics-action=purchase_click]{box-shadow:none;min-height:44px;color:var(--ink);background:0 0;border:0;padding:8px;font-size:14px}.books-sales-module__BS4SzG__root .hero-actions section>a:last-child{display:none}.books-sales-module__BS4SzG__root .map-picture{overflow:hidden}.books-sales-module__BS4SzG__root .map-picture img{width:200%;max-width:none;height:200%;position:absolute;top:0;left:0}:is(.books-sales-module__BS4SzG__root .map-picture-2 img,.books-sales-module__BS4SzG__root .map-picture-4 img){left:-100%}:is(.books-sales-module__BS4SzG__root .map-picture-3 img,.books-sales-module__BS4SzG__root .map-picture-4 img){top:-100%}.books-sales-module__BS4SzG__root .panel:not(.hero){content-visibility:auto;contain-intrinsic-size:auto 1200px}.books-sales-module__BS4SzG__root [id="02-daily-mismatch"]{contain-intrinsic-size:auto 500px}.books-sales-module__BS4SzG__root [id="03-different-directions"]{contain-intrinsic-size:auto 1900px}.books-sales-module__BS4SzG__root [id="04-align-and-act"]{contain-intrinsic-size:auto 2500px}.books-sales-module__BS4SzG__root [id="07-creators-letter"]{contain-intrinsic-size:auto 2200px}.books-sales-module__BS4SzG__root .map-outcome>span{font-family:Arial,sans-serif}