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:root{--ink:#18364a;--muted:#536b79;--blue:#edf5fa;--yellow:#ffd85a;--teal:#176b62;--line:#cfdee6;--paper:#fff;--pink:#f9e5e7;--green:#dfeee3;font-family:"Segoe UI",Arial,sans-serif;color:var(--ink);background:#f8fbfd;font-size:16px}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #287f9f;outline-offset:3px}[hidden]{display:none!important}.skip-link{position:absolute;top:-60px;left:16px;background:white;padding:12px;z-index:9}.skip-link:focus{top:10px}.site-header{max-width:1320px;margin:auto;padding:28px 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8px;font-size:10px;overflow-wrap:anywhere}.sheet-footer{font-size:9px;border-top:1px solid #e0e8ec;margin:26px 0 0;padding-top:11px;color:#617381}.bingo-grid{display:grid;grid-template-columns:repeat(var(--columns),minmax(0,1fr));border-top:1px solid #6b8493;border-left:1px solid #6b8493}.bingo-grid span{aspect-ratio:1;display:flex;align-items:center;justify-content:center;padding:4px;border-right:1px solid #6b8493;border-bottom:1px solid #6b8493;text-align:center;font-size:clamp(7px,1vw,13px);overflow-wrap:anywhere;min-width:0;font-weight:600}.bingo-grid .free{background:#edf4f0}.scramble-list{display:grid;grid-auto-flow:column;grid-template-rows:repeat(12,auto);grid-template-columns:1fr 1fr;gap:17px 25px;padding-left:20px;font-size:11px}.scramble-list li{padding-left:3px;break-inside:avoid}.scramble-list span{display:block;border-bottom:1px solid #b9cbd5;min-height:22px;padding-top:6px}.preview-caption{text-align:center;font-size:11px;color:var(--muted);margin:20px 0 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p{font-size:14px;line-height:1.8;color:var(--muted)}.faq-section{max-width:850px;padding:48px 24px 70px;margin:auto}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-size:14px;font-weight:650;line-height:1.6}details p{font-size:14px;color:var(--muted);line-height:1.8;margin:13px 0 0}.site-footer{background:#e8f1f7;padding:38px 24px;text-align:center}.footer-brand{font-size:20px;font-family:Georgia,serif;text-decoration:none}.site-footer p{font-size:12px;color:var(--muted);margin:10px 0 21px}.site-footer nav{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;font-size:12px;margin-bottom:22px}.site-footer small{font-size:10px;color:var(--muted)}.content-main{max-width:850px;padding:40px 24px 80px;min-height:65vh}.content-main h1{font-size:46px;letter-spacing:-1px}.content-main h2{font-size:28px;margin-top:35px}.content-main p,.content-main li{font-size:16px;line-height:1.85;color:var(--muted)}.content-main li{margin-bottom:8px}.content-main .primary-button{display:inline-block;width:auto;margin:20px 0;text-decoration:none}.content-main .word-bank{font-size:14px;background:var(--blue);padding:24px;border-radius:8px;line-height:1.8}.content-main .topic-grid{grid-template-columns:repeat(2,1fr);margin-top:25px}.content-main .topic-tile p{font-size:13px}.breadcrumb{font-size:13px;margin-bottom:25px}.guide-link{display:block;padding:20px 0;border-bottom:1px solid var(--line);font-size:19px;text-decoration:none}.guide-link small{display:block;font-size:13px;color:var(--muted);margin-top:8px}.noscript{padding:18px;background:#fff0b1}.ad-disclosure{font-size:10px;color:var(--muted);text-align:center;margin:0;padding:8px}
@media(max-width:1050px){.workspace{grid-template-columns:300px minmax(0,1fr)}.controls{padding:22px 19px}.preview-pane{padding:17px}.worksheet{padding:24px 20px}.intro{gap:35px;grid-template-columns:1fr 240px}.paper-note{padding:26px 19px}.site-header{padding:25px 24px}.preview-toolbar{justify-content:center}.preview-toolbar>span{width:100%;text-align:center}}
@media(max-width:760px){.intro{grid-template-columns:1fr;padding:32px 22px 42px;gap:20px}.paper-note{display:none}.site-header{padding:20px;align-items:flex-start}.site-header nav{gap:12px;flex-wrap:wrap;justify-content:flex-end;font-size:11px;max-width:190px}.brand{font-size:11px}.brand strong{font-size:15px}.brand-mark{width:39px;height:39px;font-size:28px}h1{letter-spacing:-1px}.intro-copy{font-size:15px}.workspace{grid-template-columns:1fr}.controls{border-right:0;border-bottom:1px solid var(--line);padding:22px}.maker{padding:0 14px}.maker-heading{align-items:flex-start;padding:0 8px}.maker-heading h2{font-size:27px}.maker-heading p{font-size:13px}.text-button{max-width:120px;text-align:right;font-size:12px}.activity-options span{font-size:12px}.preview-pane{padding:17px 12px}.worksheet{padding:25px 20px;min-height:580px}.letter-grid span{font-size:clamp(8px,3vw,16px)}.bingo-grid span{font-size:clamp(8px,2.1vw,14px)}.library-section,.how-section{padding:42px 22px 0}.section-heading h2{font-size:28px}.section-heading{align-items:flex-start}.section-heading>a{max-width:80px;text-align:right;font-size:12px}.topic-grid{grid-template-columns:repeat(2,1fr);gap:12px}.topic-tile{padding:20px}.topic-tile h3{font-size:16px}.teaching-columns{grid-template-columns:1fr;gap:13px}.faq-section{padding:35px 22px 45px}.faq-section>h2{font-size:28px}.small-benefits{font-size:11px}.small-benefits span{padding:0 6px}.content-main h1{font-size:37px}.content-main .topic-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{@page{size:A4 portrait;margin:12mm}body{background:white;color:black}.site-header,.intro,.maker-heading,.controls,.preview-toolbar,.preview-caption,.stale-notice,.library-section,.how-section,.faq-section,.site-footer,.skip-link{display:none!important}main,.maker,.workspace,.preview-pane,.preview-pages{display:block!important;margin:0!important;padding:0!important;border:0!important;box-shadow:none!important;background:white!important;max-width:none!important}.worksheet{width:100%;max-width:none;min-height:0;margin:0;padding:0;box-shadow:none;break-after:page;page-break-after:always;break-inside:avoid}.worksheet:last-child{break-after:auto;page-break-after:auto}.letter-grid{max-width:135mm;padding:2mm;margin-bottom:6mm}.letter-grid span{font-size:11pt}.worksheet h3{font-size:22pt}.word-bank{font-size:9pt;gap:2mm}.bingo-grid{max-width:145mm}.bingo-grid span{font-size:9pt}.scramble-list{font-size:10pt;gap:5mm 10mm}.sheet-footer{font-size:8pt}.sheet-brand{margin-bottom:6mm}.name-line{margin-bottom:6mm}.sheet-instructions{margin-bottom:6mm}.answer,.free{print-color-adjust:exact;-webkit-print-color-adjust:exact}.ad-disclosure{display:none}}
@media print { .worksheet h3 { font-size: var(--print-title-size, 22pt); white-space: nowrap; } .letter-grid { max-width: 120mm; } }
@font-face{font-family:NanumGothic;src:url(/fonts/NanumGothic-Regular.ttf) format("truetype");font-display:swap}html[lang=ko]{font-family:"Malgun Gothic",NanumGothic,"Segoe UI",sans-serif}html[lang=ko] h1,html[lang=ko] h2,html[lang=ko] .worksheet h3{font-family:"Malgun Gothic",NanumGothic,sans-serif;letter-spacing:-.04em;word-break:keep-all}html[lang=ko] .intro h1{font-size:clamp(34px,4vw,54px);line-height:1.35}html[lang=ko] .intro-copy{word-break:keep-all}.language-switch{display:inline-flex;gap:12px;padding-left:16px;border-left:1px solid var(--line)}.language-switch a[aria-current=page]{color:var(--teal);text-decoration:underline}.locale-note{max-width:1232px;margin:0 auto 15px;padding:0 24px;font-size:11px;color:var(--muted)}#word-language{margin-bottom:0}.letter-grid:has(span){font-family:NanumGothic,"Malgun Gothic",monospace}html[lang=ko] .letter-grid span{font-family:"Malgun Gothic",NanumGothic,monospace}html[lang=ko] .sheet-instructions{word-break:keep-all}html[lang=ko] .word-bank{font-size:11px}html[lang=ko] .brand{max-width:200px}html[lang=ko] .brand>span:last-child{line-height:1.6}@media(max-width:760px){.language-switch{padding-left:8px;gap:9px}.site-header nav{max-width:210px}html[lang=ko] .brand{max-width:145px}.locale-note{padding:0 22px}html[lang=ko] .maker-heading h2{font-size:24px}.letter-grid span{font-size:clamp(8px,2.6vw,16px)}}@media print{.locale-note{display:none!important}html[lang=ko] .worksheet h3{word-break:normal}.letter-grid span{font-family:NanumGothic,"Malgun Gothic",monospace}}
.contact-form{max-width:660px;display:grid;gap:12px;margin:28px 0}.contact-form input:not([type=checkbox]),.contact-form textarea{width:100%;font:inherit;border:1px solid #a7bac1;border-radius:8px;padding:12px;background:white;color:#173947}.contact-consent{display:flex;align-items:flex-start;gap:10px;font-size:.92rem}.contact-consent input{margin-top:5px}.contact-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}#contact-status{overflow-wrap:anywhere;min-height:1.6em}.contact-form button{justify-self:start}