@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{color-scheme:dark;--bg:#111412;--panel:#191e1a;--text:#f0f1e9;--muted:#a0a79f;--accent:#c4d792;--line:#303830;--soft:#222a22;--font:'Noto Sans KR',-apple-system,BlinkMacSystemFont,'Segoe 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@media(min-width:1450px){.hero{gap:100px;min-height:770px}.hero-visual{max-width:485px;justify-self:end;width:100%}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.hero{gap:35px;min-height:650px}.hero h1{font-size:43px}.hero-visual{padding:23px 23px 0}.range-cell{font-size:8px}.audience-grid{grid-template-columns:repeat(2,1fr)}.intro-section,.curriculum-section,.profile-section,.pricing-layout,.faq-section{gap:60px}.header-inner{gap:20px}nav{gap:19px}.header-buy{display:none}.method-grid article{padding-inline:18px}.method-grid h3{font-size:24px}.sample-composition{gap:35px}.price-card{padding:30px}.price-card-top{font-size:8px}}
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@media(max-width:370px){.container{width:calc(100% - 32px)}.hero-actions .button{font-size:12px;padding:13px 12px;gap:10px}.hero-visual{padding-inline:18px}.audience-grid{grid-template-columns:1fr}.audience-card h3{font-size:19px}.audience-card p{font-size:14px}.card-bottom{font-size:12px}.method-grid h3{font-size:23px}.price-card{padding:24px 20px}.price-card-top{flex-wrap:wrap}.range-cell{font-size:8px}.hero h1{font-size:30px}.mobile-purchase.visible{padding-inline:16px;gap:12px}.mobile-purchase .button{font-size:12px;padding-inline:12px}.sample-paper{padding:18px}.paper-top{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Reading sizes: diagrams retain compact labels; product copy stays readable. */
.eyebrow,.hero .eyebrow,.card-number,.chapter-num,.chapter-group,.sample-copy .eyebrow,.profile-name .eyebrow,.price-card-top,.outline-tag,.hero-facts,.topic-strip .container,.fine-print,.purchase-caption,.purchase-caption,.sample-disclaimer,.footer p,.footer-bottom,.sample-tag,.paper-top,.paper-kicker,.paper-footer,.visual-top,.chart-label,.chart-legend,.visual-note{font-size:12px}
nav,.header-buy,.card-bottom,.sample-tab,.footer-top>div,.footer-link,.policy-note,.readiness-note,.delivery-note,.form-notice{font-size:14px}
.hero-description,.intro-copy .muted,.audience-card p,.method-grid p,.method-heading>p,.curriculum-intro>.muted,.chapter-body,.section-title-row>p,.sample-copy p,.profile-intro,.pricing-intro>.muted,.process-grid p,.faq-answer{font-size:16px}
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@media(max-width:760px){.audience-card h3{font-size:18px}.card-number{font-size:12px;line-height:1.6}.card-bottom{font-size:12px}.method-grid h4{font-size:14px}.method-grid p{font-size:14px}.method-grid article{padding-right:12px}.sample-tab{font-size:14px}.hero-actions .button{font-size:14px;gap:12px}.hero .eyebrow{font-size:11px}.topic-strip .container{font-size:12px}.sample-paper .range-grid{margin-top:20px}.hero-facts{font-size:12px}.profile-panel dl>div{font-size:14px}.process-grid p{font-size:15px}.hero-visual .visual-top{font-size:11px}.visual-note{font-size:11px}.footer-top>div,.footer-link{font-size:14px}.sample-copy .eyebrow{font-size:12px}.order-product{font-size:14px}}
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/* Two independent playbooks, sharing the original editorial design. */
.product-section{padding-block:70px 85px;border-top:1px solid var(--line)}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:36px}
.product-card{padding:32px;border:1px solid #526341;background:#1a2217;border-radius:4px}
.product-edition{display:flex;justify-content:space-between;gap:12px;font:12px Arial,sans-serif;letter-spacing:1px;color:var(--accent);margin-bottom:25px}
.product-card h3{font-size:29px;letter-spacing:-1px}.product-description{font-size:16px;color:var(--muted);margin-top:18px;max-width:440px;min-height:58px}.product-scope{font-size:14px;color:#b4c4a2;margin-top:22px}.product-bottom{display:flex;align-items:baseline;justify-content:space-between;gap:20px;border-top:1px solid #3b4b30;margin-top:27px;padding-top:23px}.product-bottom strong{font:32px Arial,sans-serif;font-weight:600}.product-bottom span{color:var(--muted);font-size:14px}.product-card .button{width:100%;margin-top:25px;font-size:16px}.product-card.aof,.price-card.aof{background:#1b2225;border-color:#5a777e}.aof .product-edition,.aof .product-scope,.aof .price-card-top{color:#b2ced5}.aof .primary{background:#b2ced5;color:#142126}.aof .secondary{border-color:#698e99;color:#c9e2e8}.aof .secondary:hover{background:#293a41}.aof .product-bottom{border-color:#40555b}.product-switch{display:flex;gap:8px;margin:25px 0 18px;flex-wrap:wrap}.product-switch button{background:transparent;border:1px solid #536445;color:#b3c3a3;border-radius:3px;padding:12px 17px;font-size:14px;min-height:48px}.product-switch button[aria-pressed=true]{background:var(--accent);color:#1c2714;border-color:var(--accent)}.product-switch button[data-select-product=aof][aria-pressed=true]{background:#b2ced5;border-color:#b2ced5;color:#152a31}.selected-product-name{color:var(--accent);font-weight:600;font-size:20px}.preview-product-label{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 0;border-bottom:1px solid var(--line);margin-top:30px;font-size:14px;color:var(--muted)}.preview-product-label strong{color:var(--text);font-size:16px}.preview-product-label a{color:var(--accent);margin-left:auto;text-decoration:underline;text-underline-offset:5px}.preview-product-label+.sample-tabs{margin-top:8px}.product-grid .price-card{display:flex;flex-direction:column}.product-grid .price-card h3{font-family:var(--font);font-size:29px;line-height:1.5}.product-grid .included{min-height:215px}.product-exclusion{font-size:14px;line-height:1.8;color:#b4c1a8;margin-top:22px;padding:14px 16px;background:#11170e55;border-left:2px solid #6e8357}.aof .product-exclusion{border-color:#7b9ca4;color:#b7cbd0}.product-policy{margin-top:22px;margin-bottom:7px}.product-policy details{border-top:1px solid #47583a;padding-block:13px}.product-policy summary{font-size:14px;display:flex;justify-content:space-between;gap:20px}.product-policy details p{font-size:14px;line-height:1.85;color:var(--muted);margin-top:14px}.product-grid .purchase-button{margin-top:auto}.product-grid .purchase-caption{margin-top:13px}.pricing-section .readiness-note{margin-top:25px;font-size:14px}.product-grid .price-sub{min-height:48px;font-size:16px}.mobile-purchase>div>span{max-width:150px}.hero .hero-facts{flex-wrap:wrap}.order-product strong{font-size:16px}
@media(max-width:760px){.product-section{padding-block:50px 60px}.product-grid{grid-template-columns:1fr;gap:20px;margin-top:27px}.product-card{padding:27px 24px}.product-card h3,.product-grid .price-card h3{font-size:26px}.product-description{min-height:0}.product-edition{font-size:12px;letter-spacing:.4px}.product-grid .included{min-height:0;padding-bottom:10px}.product-grid .price-sub{min-height:0}.product-grid .purchase-button{margin-top:18px}.preview-product-label{gap:10px}.preview-product-label strong{font-size:15px}.preview-product-label a{font-size:13px}.selected-product-name{font-size:19px}.product-card .button{font-size:15px}.mobile-purchase .button{font-size:13px;padding-inline:13px}.mobile-purchase>div>span{font-size:12px;max-width:138px}}
@media(max-width:370px){.product-card{padding:24px 20px}.product-edition{flex-wrap:wrap}.product-switch button{padding-inline:13px}.preview-product-label a{margin-left:0}.mobile-purchase.visible{gap:10px}.mobile-purchase .button{font-size:12px;padding-inline:10px}}

/* User-supplied records: original pixels and game-money units preserved. */
.profile-panel dd{overflow-wrap:anywhere}.profile-panel .fine-print{font-size:13px;line-height:1.9;padding-top:20px;border-top:1px solid var(--line)}.records-gallery{grid-column:1/-1;min-width:0;margin-top:-38px}.records-heading{border-top:1px solid var(--line);padding-top:35px;margin-bottom:30px}.records-heading .eyebrow{margin-bottom:12px}.records-heading h3{font-size:26px}.records-heading>p:last-child{font-size:15px;color:var(--muted);margin-top:13px}.record-group h4{font-size:18px;color:#d9e5cd;margin:25px 0 17px}.record-figure{margin:0;min-width:0}.record-image-link{position:relative;display:block;background:#080b08;border:1px solid #3a4930;border-radius:4px;overflow:hidden}.record-image-link:hover{border-color:var(--accent)}.record-image-link .evidence-image{width:100%;height:340px;object-fit:contain;display:block;margin:0}.record-wide .evidence-image{height:auto;aspect-ratio:2048/682;object-fit:contain}.record-zoom{position:absolute;bottom:12px;right:12px;border:1px solid #7b8b66;background:#10190fec;color:#dcebc9;padding:6px 11px;font-size:12px;border-radius:3px}.evidence-caption{font-size:13px;color:var(--muted);line-height:1.8;margin:12px 0 0}.aof-records{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.record-unit{font-size:14px;color:#b8c7aa;margin:-6px 0 22px}
@media(max-width:1000px){.aof-records{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.records-gallery{margin-top:5px}.records-heading{padding-top:28px}.records-heading h3{font-size:23px}.aof-records{gap:24px 14px}.record-image-link .evidence-image{height:290px}.record-wide .evidence-image{height:auto}.record-zoom{font-size:12px;right:7px;bottom:7px;padding:5px 8px}.record-group h4{font-size:17px}.evidence-caption{font-size:12px}.profile-panel dl>div{grid-template-columns:95px 1fr}.profile-panel .fine-print{font-size:13px}.records-heading>p:last-child{font-size:14px}}
@media(max-width:370px){.aof-records{grid-template-columns:1fr}.record-image-link .evidence-image{height:400px}.record-wide .evidence-image{height:auto}.record-wide .record-zoom{position:static;display:block;border:0;border-top:1px solid #3a4930;text-align:center;border-radius:0}}

/* Korean heading in the opening range card. */
.hero-visual .visual-heading h2{font-family:var(--font);font-size:clamp(18px,2.15vw,28px);line-height:1.55;letter-spacing:-.8px}.hero-visual .visual-heading h2 em{font-style:normal}

/* Actual cover and manuscript previews */
.hero-cover{width:100%;max-width:490px;justify-self:end;filter:drop-shadow(0 24px 25px #0005)}.hero-cover img{display:block;width:100%;height:auto}.sample-modal .real-sample{max-height:none;background:#fff}.sample-composition .real-sample{background:#fff}.sample-composition>div:first-child{min-width:0}@media(max-width:760px){.hero-cover{max-width:390px;justify-self:center}.sample-composition .real-sample{max-height:none}}

/* Keep source pages intact while framing their content without outer margins. */
.sample-crop{position:relative;overflow:hidden;width:100%;align-self:start;background:#f8fbfd}
.sample-crop .real-sample{position:absolute;height:auto;max-height:none!important;max-width:none;object-fit:initial;display:block}
.hero-cover{position:relative;overflow:hidden;aspect-ratio:840/1115;max-width:510px;filter:none}
.hero-cover img{position:absolute;width:154.167%;max-width:none;height:auto;left:-28.571%;top:-6.278%}
@media(max-width:760px){.hero-cover{max-width:440px;width:100%}}

.sample-full{width:100%;min-width:0;align-self:start}.sample-full .real-sample{position:static;display:block;width:100%;height:auto;max-height:none;object-fit:contain}

.product-card{display:flex;flex-direction:column}.product-card .product-included{font-size:16px;line-height:1.75;margin-bottom:24px}.product-card .product-bottom{margin-top:auto}.product-card.aof .product-included{border-color:#40555b}

.modal .consent-row{display:flex;align-items:flex-start;gap:12px;font-size:13px;line-height:1.8;margin-top:22px}.modal .consent-row input{width:20px;min-width:20px;height:20px;min-height:20px;margin-top:3px;accent-color:#c5d797}.form-sample-link{font-size:13px;color:var(--accent);text-decoration:underline}.form-honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}#order-error{color:#ffb8a6;font-size:14px;line-height:1.7;margin-top:16px}.form-notice p+p{margin-top:12px}.faq-answer,.policy-content,.product-policy p{white-space:pre-line}.button:disabled{opacity:.6;cursor:wait}#seller-info{white-space:pre-line}

.header .brand{flex-shrink:1;min-width:0}.header .brand>span:last-child,.footer .brand>span:last-child{white-space:normal;line-height:1.4}@media(max-width:700px){.header .brand{max-width:calc(100% - 100px)}.header .brand>span:last-child{font-size:12px}.footer .brand>span:last-child{font-size:14px}}