/* Additive review edition. Claude's source files remain unchanged. */
.learning-how{background:#fffdf8}.learning-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:760px;margin:24px auto 0;align-items:start}.learning-pair figure{margin:0;min-width:0}.learning-pair figure>img,.learning-voice{width:100%;aspect-ratio:390/532;background:white;border:1px solid #e9e3d7;border-radius:16px;overflow:hidden}.learning-pair figure>img{object-fit:contain}.learning-voice{position:relative}.learning-voice img{position:absolute;width:100%;height:auto;top:-27%}.learning-pair figcaption{text-align:center;font-size:12px;line-height:1.6;margin-top:12px}.consonant-label{color:#a6402f}.vowel-label{color:#2b5c7a}.story-track.review-collage{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;overflow:visible;padding:28px 28px 38px;max-width:860px}.review-collage .story-slide{width:auto;min-width:0;transform:translateY(12px) rotate(-7deg)}.review-collage .story-slide:nth-child(2){transform:translateY(-8px) rotate(-3deg)}.review-collage .story-slide:nth-child(3){transform:translateY(0) rotate(3deg)}.review-collage .story-slide:nth-child(4){transform:translateY(20px) rotate(7deg)}.review-collage .phone-frame{width:118%;height:auto;aspect-ratio:430/932;max-width:none}.review-collage figcaption{justify-content:center;font-size:12px;margin-top:8px}.story:has(.review-collage) .story-controls{display:none}.review-scope-visual{align-items:center}.site-scope-example{width:120px;font-size:14px;color:#2b5c7a;text-align:left}.site-scope-example>span{display:block;border:1px solid #3b9d99;border-radius:12px;padding:10px 14px;background:#fff}.site-scope-example>div{display:grid;gap:4px;margin-top:8px;padding:8px;border:1px solid #b1d7d7;border-radius:14px;background:white;box-shadow:0 10px 24px #2b5c7a12}.site-scope-example>div>*{display:block;padding:8px 12px}.site-scope-example strong{background:#b1d7d7;border-radius:8px;font-weight:500}@media(min-width:640px){.learning-pair{gap:36px}.learning-pair figcaption{font-size:16px}.story-track.review-collage{gap:18px;padding:36px 40px 48px}.review-collage .phone-frame{width:100%;height:auto}.review-collage figcaption{font-size:16px}}
@font-face{font-family:Paperlogy;src:url('/fonts/Paperlogy-5Medium.ttf');font-weight:500;font-display:swap}
.learning-pair .guide-region-diagram{display:block;width:100%;height:auto;aspect-ratio:390/532;background:white;border:1px solid #e9e3d7;border-radius:16px;overflow:hidden}
.story-track.review-collage{width:calc(100% - 32px)}.review-collage .phone-frame{width:105%}.learning-voice:after{content:'';position:absolute;inset:15% 3% 20%;pointer-events:none;background:radial-gradient(ellipse,#da5c9118 0%,#da5c9128 40%,transparent 72%)}
.story-track.review-collage,.story-track.review-collage.is-dragging{cursor:default;touch-action:pan-y;overscroll-behavior-x:auto}.story-track.review-collage .screen-open{cursor:zoom-in}.review-collage img{-webkit-user-drag:none}
html{scroll-padding-top:84px}
body{overflow-wrap:break-word}
main,section,.wrap,[class$="-grid"],[class$="-copy"],[class$="-visuals"]{min-width:0;max-width:100%}
section{padding:44px 0;scroll-margin-top:80px}
[data-reveal]{opacity:1;transform:none;transition:none}
.header-row{gap:12px;height:64px;position:relative}.header-language{margin-left:auto;flex-shrink:0}.header-language select{font-family:Paperlogy,sans-serif;font-weight:500;font-size:14px;color:var(--ink);background:transparent;border:1px solid #ded8cc;border-radius:8px;padding:8px;min-height:44px;width:100px}.header-language select:focus-visible{outline:2px solid #2b5c7a;outline-offset:3px}@media(min-width:860px){.header-language{order:3;margin-left:8px}.header-row>.site-nav{margin-left:auto;gap:20px;padding:0}}
.brand{flex-shrink:0}.logo-kr,.logo-en{font-weight:500;color:#000}.company-name,.service-name,.logo-kr,.logo-en{font-family:Paperlogy,sans-serif;font-weight:500}
.header-trial{margin-left:auto;min-height:44px;display:flex;align-items:center;color:var(--coral-600);font-size:.86rem;font-weight:600}
.nav-toggle{width:44px;height:44px;flex-shrink:0}.nav-toggle .sr-only{width:1px;height:1px}
.site-nav{display:none;padding:12px 20px;max-height:none}.site-nav.is-open{display:flex}
.hero{padding:32px 0 36px}.hero-grid{gap:24px}.hero-title{font-size:clamp(1.9rem,7.8vw,3.4rem);line-height:1.22;letter-spacing:-.04em}
.hero-lede{font-size:.96rem;margin-bottom:20px;line-height:1.7}.hero-actions{gap:8px}.hero-actions .btn{padding:12px 17px;font-size:.87rem;min-height:46px}
.hero-visual{gap:6px}.assembly-caption{margin:0;font-size:.75rem;padding:6px 12px}
.phone-frame,.phone-frame--sm,.phone-frame--card{width:auto;height:clamp(180px,25svh,260px);aspect-ratio:430/932;flex:none;padding:3px;border:1px solid var(--line);border-radius:14px;background:var(--paper-alt);box-shadow:0 12px 25px -15px #241f1940}
.phone-frame img{object-fit:contain;border-radius:10px;width:100%;height:100%}
.screen-open{cursor:zoom-in;font:inherit;color:inherit;display:block}
.screen-open:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--teal-600);outline-offset:4px}
.section-title{font-size:1.5rem;line-height:1.4}.section-lede{font-size:.94rem;line-height:1.7;margin-bottom:20px}
.principle-row{gap:0}.principle-card{background:none;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:18px 0;display:grid;grid-template-columns:34px 1fr;column-gap:12px}
.principle-num{grid-row:span 2;align-self:start;border:0;padding:0;margin:0;font-size:1rem}.principle-card h3{font-size:1rem}.principle-card p{font-size:.9rem}
.story{clip-path:none}.story-track{width:100%;max-width:1120px;margin:auto;gap:14px;padding:8px 20px 16px;scroll-padding-inline:20px}
.story-slide{width:160px;scroll-snap-align:start;gap:12px}.story-slide figcaption{align-items:flex-start;font-size:.8rem;line-height:1.6;text-align:left}.story-step{width:20px;height:20px}
.story-track{touch-action:pan-x pan-y;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;cursor:grab;scrollbar-width:none}.story-track::-webkit-scrollbar{display:none}.story-track.is-dragging{cursor:grabbing;scroll-snap-type:none;user-select:none}.story-track.is-dragging .screen-open{cursor:grabbing}
.story-controls{gap:8px}.story-btn{width:44px;height:44px}.story-btn:disabled{opacity:.35;cursor:default}
.story-dots{gap:0}.story-dots button,.story-dots button.is-active{width:32px;height:44px;border-radius:0;background:none;position:relative}.story-dots button::after{content:'';position:absolute;left:12px;top:18px;width:8px;height:8px;border-radius:50%;background:var(--ink-faint)}.story-dots button.is-active::after{background:var(--coral-600)}
.gallery-hint{text-align:center;font-size:.78rem;color:var(--ink-soft);margin:0 0 12px}
.cheonjiin-grid{gap:18px}.cheonjiin-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.cheonjiin-steps li{flex-direction:column;align-items:center;text-align:center;gap:10px}.cheonjiin-steps p{display:none}.cheonjiin-steps strong{font-size:.85rem}
.curr-item{padding:0 14px}.curr-item summary{font-size:.9rem;gap:8px;padding:12px 0}.curr-sub{color:var(--ink-soft);font-size:.78rem}.curr-item p{margin-left:0}.curr-final{padding:20px}.curr-final-badge{color:var(--ink-soft)}
.review-grid,.rewards-grid{gap:24px}.review-list{gap:16px}.review-visuals{min-width:0;gap:20px;flex-wrap:wrap}.review-icon-group{width:22px;flex-wrap:wrap}.review-list .icon{flex-shrink:0}
.rewards-copy{grid-row:1}.rewards-list li{font-size:.9rem}.name-example{flex-direction:column;border-radius:14px;gap:2px;width:100%;font-size:1rem;min-width:0}
.cta-inner h2{font-size:1.6rem}.cta-inner p{font-size:.92rem}.support-link{min-height:44px;display:flex;align-items:center;text-decoration:underline;font-size:.85rem}
.site-footer{background:var(--paper);color:var(--ink);padding:28px 0}.brand-footer .logo-en{color:#000}.footer-links,.footer-copy{color:var(--ink-soft)}.footer-links{gap:8px 18px;font-size:.8rem}.footer-links a{min-height:44px;display:flex;align-items:center}.footer-links a:hover{color:var(--coral-600)}
#screenZoom{padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--paper-alt);max-width:calc(100vw - 24px);max-height:92svh;overflow:auto}#screenZoom::backdrop{background:#0009}#screenZoom img{max-height:70svh;width:auto;max-width:100%;object-fit:contain;margin:auto}#screenZoom p{max-width:34ch;font-size:.85rem}.zoom-close{display:block;margin:0 0 12px auto;padding:10px 16px;min-height:44px;border:1px solid var(--line);border-radius:20px;background:var(--paper);font:inherit}
@media(min-width:640px){.hero-grid{grid-template-columns:1.3fr .7fr}.hero .phone-frame{height:360px}.hero{padding:60px 0}.section-title{font-size:1.9rem}section{padding:60px 0}.story-slide{width:210px}.story .phone-frame{height:300px}.review-visuals .phone-frame,.rewards-visual .phone-frame{height:300px}.rewards-copy{grid-row:auto}}
@media(min-width:860px){.site-nav{display:flex}.header-trial{order:3}.principle-card{padding:20px;border-bottom:0;border-left:1px solid var(--line)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* Official, unmodified store artwork. Links are added after publication. */
.hero-screens{display:flex;align-items:center;justify-content:center;gap:10px;width:100%}
.hero-screens figure{margin:0;min-width:0;text-align:center}
.hero-screens .phone-frame{width:100%;object-fit:contain}.hero-screens figure{flex:1;max-width:135px}
.curriculum-preview{display:flex;align-items:center;justify-content:center;gap:24px;margin:20px 0 28px}.curriculum-preview figcaption{max-width:18ch;font-size:.9rem;line-height:1.7;color:var(--ink-soft)}
.hero-screens figcaption{font-size:11px;margin-top:10px;color:var(--ink-soft)}
.hero-screens .phone-frame{height:clamp(155px,22svh,205px);max-width:100%}
.hero-screens figure:nth-child(2) .phone-frame{height:clamp(180px,25svh,235px)}
.mission-gallery{background:#faf0f5;padding-top:12px}
.rewards-visual{display:flex;flex-direction:column;align-items:center;gap:14px}
.graduation-pair{display:flex;justify-content:center;align-items:start;gap:22px;max-width:100%}.graduation-pair figure{margin:0;min-width:0;text-align:center}.graduation-pair figcaption{max-width:15ch;font-size:12px;line-height:1.6;margin:12px auto 0}.graduation-pair .phone-frame{margin:auto;max-width:100%}
.graduation-pair{align-items:center}.graduation-pair figure{flex:1;max-width:220px}
.graduation-card-crop,.graduation-keyboard-crop{position:relative;overflow:hidden;width:100%;border-radius:12px}
.graduation-card-crop{aspect-ratio:352/627;container-type:inline-size}.graduation-card-crop img{position:absolute;max-width:none;width:122.16%;height:auto;left:-11.08%;top:-18.34%}
.sample-card-time{position:absolute;left:9%;right:9%;top:40.4%;height:5.7%;display:flex;align-items:center;justify-content:center;background:#161612;color:#fff;font-family:Paperlogy,sans-serif;font-size:6cqw;white-space:nowrap}
.graduation-keyboard-crop{aspect-ratio:430/310}.graduation-keyboard-crop img{position:absolute;max-width:none;width:100%;height:auto;left:0;bottom:0}
.mission-track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;max-width:1120px;margin:auto;padding:12px 24px 24px;scroll-padding-inline:24px}
.mission-track.is-flowing{scroll-snap-type:none;scroll-behavior:auto;scrollbar-width:none}.mission-track.is-flowing::-webkit-scrollbar{display:none}
.card-flow-toggle{display:block;margin:0 auto 14px;padding:10px 18px;min-height:44px;border:1px solid var(--line);border-radius:24px;background:transparent;color:var(--ink-soft);font:inherit;font-size:.8rem;cursor:pointer}
.mission-track figure{flex:none;margin:0;scroll-snap-align:start;width:155px}
.mission-track .card-art{width:100%;height:clamp(180px,25svh,260px);aspect-ratio:auto;padding:0;background:transparent;border:0;box-shadow:none}
.mission-track .card-art img{border-radius:8px;object-fit:cover;object-position:center}
.mission-track .card-art{aspect-ratio:9/16;width:auto;max-width:100%;margin:auto}
.curriculum-preview .course-access{max-width:28ch;min-width:0}.course-access>div{padding:12px 0;border-bottom:1px solid var(--line)}.course-access strong{font-size:.86rem;color:var(--coral-600)}.course-access>div:first-child strong{color:var(--teal-600)}.course-access p{margin:6px 0 0;font-size:.9rem}.course-access small{display:block;margin-top:12px;font-size:.76rem;line-height:1.6}
.mission-track figcaption{font-size:13px;text-align:center;margin-top:12px}.mission-track figcaption span{display:block;font-size:11px;color:var(--ink-soft)}
@media(min-width:640px){.hero-grid{grid-template-columns:1fr 1fr}.hero-screens{gap:12px}.hero-screens .phone-frame{height:240px}.hero-screens figure:nth-child(2) .phone-frame{height:290px}.mission-track figure{width:190px}.mission-track .card-art{height:310px}}
.store-downloads{display:flex;justify-content:center;align-items:start;gap:12px;flex-wrap:wrap;margin:28px auto 0}
.store-option{display:flex;flex-direction:column;align-items:center;justify-content:start;gap:8px;width:166px;font-size:14px;color:#fff;font-weight:500}
.store-option img{display:block;width:144px;height:48px;object-fit:contain}
/* Original artwork includes 41px transparent padding; visible badge height = 48px. */
.store-option img.google-play-badge{width:184.571px;height:71.429px;max-width:none;margin:-11.714px 0}
.cta .store-notice{font-size:14px;margin:14px 0 0;color:#fff;opacity:1;line-height:1.6}
.course-access small{background:#f0dfb066;border-left:3px solid #9d3b40;border-radius:0 8px 8px 0;padding:11px 13px;color:#62322f;font-weight:500;font-size:.82rem}
.card-flow-toggle{width:48px;height:48px;min-height:48px;padding:11px;border-radius:50%;border:2px solid #2b5c7a;color:#2b5c7a;background:#f4efe3;display:grid;place-items:center}.card-flow-toggle svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.footer-business{grid-column:1/-1;max-width:100%;color:var(--ink-soft);font-size:13px;line-height:1.8;overflow-wrap:anywhere}.footer-business p{margin:0}.footer-business a{color:inherit;text-underline-offset:3px}.footer-business a:hover{text-decoration:underline}