@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');
@import url('https://fonts.googleapis.com/css2?family=Gaegu:wght@700&family=Noto+Serif+KR:wght@700;900&display=swap');
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.search-result p{font-size:11px}.guide-ui .flashcard{padding:15px}.guide-ui .flashcard h3{font-size:17px;min-height:75px}.guide-ui .caption{font-size:11px}.guide-fullrow{margin-top:27px;border-top:1px solid var(--line);padding-top:20px}.guide-fullrow h3{font-size:17px;margin-bottom:12px}.guide-fullrow p{font-size:13px;color:var(--muted);margin-top:10px}.problem-table{width:100%;border-collapse:collapse;font-size:13px}.problem-table th,.problem-table td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:16px 10px 16px 0}.problem-table th{width:30%;font-weight:600}.problem-table td{color:var(--muted)}.guide-end{padding:40px 0}.guide-end h2{font-size:27px;margin-bottom:20px}.not-found{min-height:70vh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:24px}.not-found .number{font-size:100px}.not-found h1{font-size:44px}.nojs-only{display:none}html:not(.has-js) .nojs-only{display:block}html:not(.has-js) .filter-fields{display:none}
@media(min-width:1300px){.hero h1{font-size:68px}.pdf{min-height:341px}.pdf-wrap{padding:20px 25px 24px}}
@media(max-width:1100px){h1{font-size:54px}.hero{gap:32px;grid-template-columns:1fr 1.1fr}.hero:after{left:47.5%}.app-name{margin-bottom:25px}.hero .lead{font-size:17px}.pdf-wrap{padding:16px}.pdf{padding:22px 20px}.pdf .pdf-question{font-size:14px}.pdf .math{font-size:22px}.editor-actions{gap:11px}.feature-row{grid-template-columns:100px 1fr 175px}.review-layout{margin-left:0;gap:28px;grid-template-columns:.8fr 1.3fr}.guide-layout{grid-template-columns:125px 1fr;gap:25px}.guide-main{padding-left:23px}.instruction-grid{gap:22px}}
@media(max-width:850px){.wrap{width:calc(100% - 48px)}.book{padding-left:22px}.hero{gap:26px;padding-top:40px}.hero:after{left:46.5%}.hero h1{font-size:43px}.hero .lead{font-size:15px}.app-name{gap:10px}.app-name img{width:42px;height:42px}.app-name b{font-size:17px}.hero-visual>.note{font-size:24px}.editor-head{padding:12px 10px;font-size:11px}.editor-actions{font-size:15px;gap:8px}.pdf-wrap{padding:12px}.pdf{padding:18px 15px;min-height:293px}.pdf-top{font-size:8px;margin-bottom:13px}.pdf p{font-size:10px}.pdf .pdf-question{font-size:12px}.choices{font-size:10px}.pencilbar{gap:10px}.section{padding:48px 0}.section-heading{grid-template-columns:49px 1fr auto;gap:13px}.section h2{font-size:30px}.number{font-size:40px}.section-intro{font-size:16px}.scenes,.spread,.feature-list,.guide-summary,.answer-grid,.purchase,.faq-list{margin-left:0;padding-left:0}.scenes{gap:0 30px}.spread{gap:27px}.feature-row{grid-template-columns:92px 1fr 140px;gap:15px}.feature-row p{font-size:13px}.feature-row h3{font-size:16px}.review-section{margin-left:-22px;padding-left:22px;margin-right:-22px;padding-right:22px}.review-layout{grid-template-columns:1fr;gap:26px}.review-panel{padding:22px}.review-layout>.copy{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.review-layout>.copy h3{grid-column:1/-1}.review-layout>.copy .note{margin-top:16px}.review-shot{grid-column:2;grid-row:2/4;margin:0}.steps-five .step-five{padding:15px 11px}.answer-grid{gap:28px}.end-cover{padding:50px 42px}.end-cover h2{font-size:32px}.guide-layout{display:block}.guide-toc{position:sticky;z-index:5;top:0;background:var(--paper);display:flex;gap:5px;flex-wrap:wrap;align-items:center;border-bottom:1px solid var(--ink);padding:12px 0}.toc-title{display:none}.guide-toc a{font-size:0;min-height:34px;justify-content:center;min-width:35px;gap:0}.guide-toc a span{font-size:12px}.guide-main{border-left:0;padding-left:0}.guide-header h1{font-size:42px}.instruction-grid{grid-template-columns:1fr 1fr;gap:32px}.chapter{scroll-margin-top:70px}.chapter h2{font-size:29px}}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.topbar{padding:8px 0;gap:12px}.topbar .brand{font-size:15px;gap:7px}.brand img{width:21px;height:21px}.topnav{gap:15px}.topnav a{font-size:12px}.topnav .desktop-nav{display:none}.edition{font-size:10px;letter-spacing:.02em;padding:12px 0}.edition span:last-child{max-width:120px;text-align:right}.book{padding-left:15px}.hero{grid-template-columns:1fr;gap:30px;padding:33px 0 39px}.hero:after{display:none}.hero-copy{padding-top:0}.app-name{margin-bottom:23px}.app-name img{width:43px;height:43px}.app-name b{font-size:18px}.hero h1{font-size:40px;line-height:1.43;letter-spacing:-.055em}.hero .lead{max-width:320px;font-size:15px;margin:21px 0 21px;line-height:1.8}.button{min-height:52px;padding:12px 18px;font-size:14px;gap:23px}.price-line{font-size:11px;margin:10px 0 12px}.text-link{font-size:14px}.hero-visual>.note{justify-content:flex-start;padding-left:7px;margin-bottom:10px}.hero-visual .caption{font-size:10px}.editor-head{font-size:12px;padding:12px}.editor-actions{font-size:16px;gap:12px}.pdf-wrap{padding:15px 17px 18px}.pdf{padding:22px 20px;min-height:310px}.pdf-top{font-size:9px}.pdf .pdf-question{font-size:13px}.pdf p{font-size:11px}.pdf .math{font-size:22px}.choices{font-size:11px}.section{padding:38px 0}.section-heading{grid-template-columns:35px 1fr;gap:12px;margin-bottom:24px}.number{font-size:31px;line-height:1.5}.section h2{font-size:26px;line-height:1.5;letter-spacing:-.04em}.tag{position:absolute;top:14px;right:0;font-size:9px;padding:0}.section-intro{font-size:14px;margin-top:10px}.scenes{grid-template-columns:1fr;gap:0}.scene{padding:18px 0;grid-template-columns:24px 1fr;gap:10px}.scene b{font-size:15px}.scene p{font-size:13px;line-height:1.8}.bubble{font-size:17px}.spread,.spread.wide{grid-template-columns:1fr;gap:27px}.spread .copy h3{font-size:19px}.copy p,.copy li{font-size:14px;line-height:1.8}.shot-tall{max-width:280px}.shot-crop{max-height:395px}.feature-row{grid-template-columns:80px 1fr;gap:12px;padding:20px 0}.feature-row h3{font-size:15px}.feature-row .mini-tags{grid-column:2}.feature-row p{font-size:13px}.search-ui{padding:17px}.searchbar{font-size:12px}.search-result{font-size:13px;padding:14px 12px}.search-result p{font-size:12px}.review-section{margin-left:-15px;padding-left:15px;margin-right:0;padding-right:0}.review-layout>.copy{display:block}.review-layout>.copy .note{font-size:25px;margin-top:16px}.review-shot{margin-top:20px}.review-panel{padding:17px 14px;margin-right:0}.review-items{gap:9px}.review-paper{height:105px;padding:11px 7px;font-size:8px}.review-paper strong{font-size:9px}.review-card .card-title{font-size:10px}.review-card .card-meta{font-size:9px}.filter-fields{gap:10px}.filter-fields select{font-size:13px;padding:7px 9px}.data-table{font-size:10px}.data-table th,.data-table td{padding:8px 5px}.flashcard{padding:23px}.intervals span{font-size:10px}.intervals b{font-size:16px}.steps-five{display:block;margin:22px 0}.step-five,.step-five:first-child{display:grid;grid-template-columns:29px 88px 1fr;gap:9px;align-items:start;border-right:0;border-bottom:1px solid var(--rule);padding:16px 0}.step-five:last-child{border-bottom:0}.step-five span{font-size:22px}.step-five h3{font-size:13px;margin:2px 0}.step-five p{font-size:11px}.answer-grid{grid-template-columns:1fr;gap:32px}.spec-table{font-size:13px}.spec-table th{width:88px}.purchase{grid-template-columns:1fr;gap:25px}.purchase-price{font-size:45px}.purchase-price small{font-size:13px}.purchase p{font-size:14px}.faq-list summary{font-size:14px;gap:11px;min-height:64px}.faq-list details>p{padding:0 0 20px 26px;font-size:13px}.faq-list summary:before{width:12px;height:17px}.end-cover{padding:39px 24px;margin-left:-15px;display:block}.end-cover h2{font-size:28px}.end-cover p{font-size:13px}.end-cover .end-number{display:none}.footer-links{gap:5px 20px}.footer a{font-size:12px}.footer-meta{font-size:10px}.guide-header{padding:30px 0}.guide-header h1{font-size:34px;letter-spacing:-.05em}.guide-header p{font-size:14px}.guide-header .eyebrow{font-size:11px}.guide-toc{gap:0;justify-content:space-between;padding:8px 0}.guide-toc a{min-width:28px;min-height:40px}.guide-toc a span{width:21px;height:24px;font-size:10px}.chapter{padding:32px 0;scroll-margin-top:65px}.chapter-heading{gap:13px;margin-bottom:20px}.chapter-letter{font-size:31px}.chapter h2{font-size:24px;line-height:1.6}.chapter-subtitle{font-size:12px}.instruction-grid{grid-template-columns:1fr;gap:23px}.instructions li{font-size:13px;padding-left:27px;margin-bottom:16px}.guide-ui{padding:18px;max-width:100%}.guide-image{max-width:260px}.help-boxes{grid-template-columns:1fr;gap:19px}.help-box{font-size:12px}.guide-fullrow p{font-size:12px}.problem-table{font-size:12px}.problem-table th{width:30%;padding-right:14px}.guide-end h2{font-size:25px}.not-found h1{font-size:32px}.not-found{min-height:65vh}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* build2: 단계 번호 대응과 모바일 독서 리듬 */
@media(max-width:600px){.hero{padding-top:27px;gap:23px}.hero .lead{margin-top:17px;margin-bottom:18px;line-height:1.7}.app-name{margin-bottom:18px}.hero h1{line-height:1.35}.guide-toc{display:grid;grid-template-columns:repeat(5,1fr);gap:0;padding:5px 0}.guide-toc a{min-width:44px;min-height:44px;font-size:10px;gap:5px;justify-content:flex-start;white-space:nowrap}.guide-toc a span{width:19px;height:23px;font-size:10px}.chapter{scroll-margin-top:110px}.guide-header .caption{font-size:11px;line-height:1.8}.permissions{flex-wrap:wrap;gap:8px 14px}.section{padding-top:34px;padding-bottom:34px}.hero-visual .caption{flex-direction:column;gap:0}.topbar .brand>span{font-size:12px}.review-reference summary{font-size:12px}}

/* build3: 큰 글씨, 실제 화면 조각, 명시적인 상대 경로 */
body{font-size:18px;line-height:1.7}.caption{font-size:14px!important;line-height:1.7!important}.copy p,.copy li{font-size:18px;line-height:1.75}.scene b{font-size:19px}.scene p,.feature-row p{font-size:17px}.scene{padding:28px 0}.feature-row h3{font-size:19px}.feature-row{grid-template-columns:130px 1fr 190px}.section{padding-top:92px;padding-bottom:92px}.section-heading{margin-bottom:38px}.label{font-size:14px}.instructions li{font-size:17px;line-height:1.75;margin-bottom:21px}.instructions .secondary{font-size:14px}.help-box,.guide-fullrow p{font-size:15px;line-height:1.8}.help-box b{font-size:15px}.chapter{padding-top:50px;padding-bottom:50px}.problem-table{font-size:16px;line-height:1.8}.privacy-copy p,.purchase p{font-size:17px}.spec-table{font-size:16px}.steps-five p{font-size:15px}.step-five h3{font-size:18px}.steps-five .step-five{padding:22px 14px}.faq-list summary{font-size:18px}.faq-list details>p{font-size:17px}.permissions{font-size:14px;flex-wrap:wrap}.purchase-price small{font-size:16px}.result-status,.filter-fields label,.filter-fields select{font-size:15px}.filter-fields select{border-color:#7e8798}.review-day{font-size:15px}.review-paper{height:135px;font-size:11px;padding:17px 12px}.review-paper strong{font-size:12px}.review-card .card-title{font-size:14px}.review-card .card-meta{font-size:12px}.demo-label{font-size:14px}.data-table{font-size:14px}.guide-ui .caption{font-size:14px}.ui-row{font-size:14px}.ui-group .ui-row{padding:13px}.ui-heading{font-size:14px}.guide-ui-title{font-size:16px}.guide-toc a{font-size:14px;min-width:44px;min-height:44px}.toc-long,.toc-short{font-weight:inherit}.toc-short{display:none}.image-link{display:inline-flex;align-items:center;min-height:44px;font-size:14px}.editor-detail{max-width:100%;padding:22px;background:#eeedf1;border:1px solid #d8d9df;border-radius:10px}.editor-detail .ui-heading{margin:0 0 12px;color:var(--muted)}.crop-pin-frame{position:relative}.crop-pin-frame img{border-radius:5px;border:1px solid #d6d9df;width:100%}.crop-pin{position:absolute;background:#fff;box-shadow:0 0 0 3px #fff}.nav-pin{left:26%;top:72%}.tools-pin{left:22%;top:70%}.editor-detail .caption{margin-top:12px}.detail-shot{max-width:440px}.guide-image.detail-shot{max-width:360px}.review-reference summary{font-size:14px}.review-shot img{width:92px}.search-result{font-size:16px}.search-result p{font-size:15px}.searchbar{font-size:16px}.flashcard summary,.flashcard details p{font-size:16px}.review-layout{grid-template-columns:.9fr 1.2fr}.footer a{font-size:14px}.topnav a{font-size:14px}.hero-visual .caption{display:block}.hero-visual .caption span{display:block}.review-layout>.copy .caption{font-size:14px!important}.review-section .table-wrap{overflow:visible}.instructions{max-width:680px}
@media(max-width:1100px){.feature-row{grid-template-columns:100px 1fr 165px}.review-layout{grid-template-columns:.9fr 1.2fr}}
@media(max-width:850px){.wrap{width:calc(100% - 56px)}.review-layout{grid-template-columns:1fr}.review-layout>.copy{display:block}.review-shot{margin-top:22px}.copy p,.copy li{font-size:17px}.section{padding-top:64px;padding-bottom:64px}.feature-row{grid-template-columns:90px 1fr 145px}.guide-toc a{font-size:0;min-width:44px;min-height:44px}.instruction-grid{grid-template-columns:1fr;gap:27px}.instruction-grid>figure{max-width:550px;width:100%;margin:0}.guide-ui{max-width:480px}.guide-image.detail-shot{max-width:360px}.guide-layout .faq-list{margin-left:0}.review-items{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){body{font-size:17px}.wrap{width:calc(100% - 40px)}.topnav a{font-size:12px}.section{padding-top:56px;padding-bottom:56px}.scene b{font-size:17px}.scene p,.copy p,.copy li,.feature-row p{font-size:17px;line-height:1.75}.scene{padding:22px 0}.feature-row{grid-template-columns:1fr;gap:9px;padding:24px 0}.feature-row h3{font-size:19px}.feature-row .mini-tags{grid-column:auto}.section-heading{margin-bottom:26px}.label{font-size:14px}.review-paper{height:135px;font-size:11px}.review-paper strong{font-size:12px}.review-items{grid-template-columns:repeat(2,1fr);gap:15px}.review-card .card-title{font-size:14px}.review-card .card-meta{font-size:12px}.review-day{font-size:15px}.filter-fields select{font-size:15px}.filter-fields label{font-size:14px}.demo-label,.result-status{font-size:14px}.search-result{font-size:15px}.search-result p{font-size:14px}.searchbar{font-size:14px}.review-panel{padding:19px 14px}.review-shot{align-items:flex-start}.review-reference summary{font-size:14px}.steps-five .step-five{padding:20px 0;grid-template-columns:31px 1fr}.step-five h3{font-size:17px;margin:2px 0}.step-five p{font-size:16px;grid-column:2}.step-five p br{display:none}.spec-table{font-size:16px}.privacy-copy p,.purchase p{font-size:17px}.purchase-price small{font-size:15px}.faq-list summary{font-size:17px}.faq-list details>p{font-size:17px}.guide-header .caption{font-size:14px}.guide-header p{font-size:17px}.guide-toc{position:static;grid-template-columns:repeat(5,1fr);gap:0}.guide-toc a{font-size:12px;min-width:44px;min-height:48px;gap:5px}.guide-toc .toc-long{display:none}.guide-toc .toc-short{display:inline}.instructions li{font-size:17px;line-height:1.75}.chapter{padding-top:40px;padding-bottom:40px;scroll-margin-top:20px}.chapter h2{font-size:26px}.help-box,.guide-fullrow p{font-size:16px;line-height:1.75}.help-boxes{gap:23px}.ui-row{font-size:15px}.guide-ui .ui-group .ui-row{padding:13px}.guide-ui-title{font-size:17px}.problem-table{font-size:16px}.problem-table tr{display:block;padding:19px 0;border-bottom:1px solid var(--line)}.problem-table th,.problem-table td{display:block;width:100%;padding:0;border:0}.problem-table td{margin-top:9px}.permissions{font-size:14px}.editor-detail{padding:17px}.detail-shot,.guide-image.detail-shot{max-width:100%}.image-link{font-size:14px}.footer a{font-size:14px}.data-table,.data-table tbody{display:block;font-size:15px}.data-table thead{display:none}.data-table tr{display:block;padding:14px 0;border-bottom:1px solid #b8bdc8}.data-table th,.data-table td{display:block;border:0;padding:3px 0}.data-table th{font-size:17px}.data-table td[data-label]:before{content:attr(data-label)' · ';font-weight:600;color:var(--ink)}.nojs-only .data-table td:nth-child(2):before{content:'모든 필기 · '}.nojs-only .data-table td:nth-child(3):before{content:'오답노트 · '}.nojs-only .data-table td:nth-child(4):before{content:'책갈피 · '}.guide-main .faq-list{margin:0}.end-cover{padding:40px 23px}.guide-header .eyebrow{font-size:14px}}

/* build4: 요약 시트, 한 번의 결과 알림, 태블릿 펼침면 */
:root{--sans:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Malgun Gothic',sans-serif}.section-intro{font-size:18px}.demo-label,.card-meta,.edition,.price-line,.purchase-price small{font-variant-numeric:tabular-nums}.instructions li{font-size:18px}.summary-preview{margin-bottom:24px;background:#f2f2f7}.summary-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #d5d8e1;padding-bottom:13px;font-size:15px}.summary-preview h3{font-size:16px;margin:20px 0 14px}.summary-preview p{font-size:15px;line-height:1.8;margin:12px 0}.summary-preview h4{font-size:15px;margin:20px 0 10px}.summary-copy{border:1px solid #7e8798;border-radius:5px;color:var(--blue);padding:5px 11px;font-size:14px}.summary-preview .caption{margin-top:20px}.data-table caption{font-size:14px}.footer-label,.footer-meta{font-size:12px}.backup-shot{position:relative}.backup-pin{left:88%;top:50%}.hero h1{text-wrap:balance}
@media(min-width:601px) and (max-width:850px){.instruction-grid{grid-template-columns:1.05fr 1fr;gap:29px}.guide-ui{max-width:none}.instruction-grid>figure{margin:0;max-width:none}.instructions li{font-size:17px}}
@media(max-width:600px){.section-intro{font-size:17px}.instructions li{font-size:17px}.summary-preview p{font-size:16px}.summary-preview h3{font-size:17px}.hero-visual .caption{display:block}.caption{line-height:1.7}.guide-header p{max-width:100%}}

/* 독립 리뷰: 제목 위계, 태블릿 목차와 키보드·터치 접근성 */
.pdf .pdf-question{font-weight:700;letter-spacing:-.025em;margin-top:0}
.faq-list p a,.help-box a{display:inline-flex;align-items:center;min-height:44px;min-width:44px}
.topnav a{min-width:44px;justify-content:center}
.guide-toc a{min-width:44px}
@media(min-width:601px) and (max-width:850px){
 .guide-toc{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:3px 8px;padding:9px 0}
 .guide-toc a{font-size:13px;min-height:48px;gap:7px;justify-content:flex-start}
 .guide-toc .toc-long{display:inline}.guide-toc .toc-short{display:none}
 .chapter{scroll-margin-top:115px}
}