/* BookBini main page — 2026-09-30 */
:root{
  --ink:#1F2A44; --body:#4B5570; --muted:#6B7390;
  --orange:#F26B3A; --orange-ink:#E4572E; --orange-soft:#FFEDE5;
  --cream:#FFFBF5; --peach:#FFF1E3; --hero:#FFF1DF; --blue-bg:#EEF4FB; --lav:#EEE8FA;
  --blue:#2F6FB8; --red:#D6423A; --purple:#7A68D0; --green:#2E8A62; --yellow:#E9A417;
  --line:#F1E6D8; --white:#FFFFFF;
  --shadow:0 10px 26px rgba(31,42,68,.09);
  --r:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:84px}
body{margin:0;background:var(--cream);color:var(--ink);font-family:'Noto Sans KR',system-ui,sans-serif;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
img,video{display:block;max-width:100%}
a{color:var(--orange-ink)}
h1,h2{margin:0;text-wrap:balance;letter-spacing:-.03em}
h1{font-size:54px;font-weight:900;line-height:1.25}
h2{font-size:36px;font-weight:900;line-height:1.4}
p{margin:0}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* type helpers */
.hand{font-family:'Nanum Pen Script',cursive;line-height:1.05}
.hand-orange{color:var(--orange-ink)}
.script{font-family:Caveat,cursive;font-weight:700;line-height:1}
.script-orange{color:var(--orange-ink)}
.eyebrow{display:inline-block;align-self:flex-start;background:var(--orange-soft);color:var(--orange-ink);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700}
.eyebrow-white{background:var(--white)}
.eyebrow-purple{color:var(--purple)}
.note{font-size:14px;color:var(--muted)}
.note b{color:var(--orange-ink)}
.ok{color:var(--green)!important}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 32px;border-radius:999px;font-weight:700;font-size:17px;text-decoration:none;white-space:nowrap}
.btn-sm{min-height:44px;padding:0 24px;font-size:16px}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#E05A2A;color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid #E7D6C0}
.btn-line{background:transparent;color:var(--orange-ink);border:1.5px solid var(--orange);align-self:flex-start;padding:0 24px;font-size:16px}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav-in{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.logo-word{font-family:Fredoka,sans-serif;font-weight:700;font-size:30px;line-height:1;letter-spacing:-.5px}
.logo-word b{color:var(--orange-ink);font-weight:700}
.logo-tag{font-family:Fredoka,sans-serif;font-weight:500;font-size:12px;color:var(--body);margin-top:3px}
.nav-links{display:flex;gap:36px}
.nav-links a{color:var(--ink);text-decoration:none;font-weight:500}
.nav-links a:hover{color:var(--orange-ink)}
.nav .btn{margin-left:auto}

/* hero */
.hero{background:var(--hero);overflow:hidden}
.hero-in{display:flex;align-items:center;gap:24px;min-height:640px}
.hero-copy{flex:0 0 500px;display:flex;flex-direction:column;gap:20px;padding:48px 0}
.hero-hand{font-size:34px}
.lead{font-size:19px;line-height:1.75;color:var(--body)}
.hero-art{position:relative;flex:1;height:620px}
.book{position:absolute;margin:0;background:#fff;border-radius:16px;padding:8px;box-shadow:0 18px 36px rgba(31,42,68,.25)}
.book img{width:100%;object-fit:cover;border-radius:10px}
.book figcaption{font-family:Fredoka,sans-serif;font-weight:600;font-size:15px;padding:8px 4px 2px;display:flex;justify-content:space-between;align-items:center;gap:6px}
.soon{font-family:'Noto Sans KR',sans-serif;font-size:11px;font-weight:700;color:var(--purple);background:#EFEBFB;border-radius:6px;padding:2px 6px;white-space:nowrap}
.book-1{left:0;top:70px;width:230px;transform:rotate(-7deg)}
.book-1 img{height:321px}
.book-2{left:200px;top:30px;width:240px;transform:rotate(2deg);z-index:1}
.book-2 img{height:280px}
.book-3{left:420px;top:120px;width:240px;transform:rotate(7deg);z-index:2}
.book-3 img{height:190px}
.av{position:absolute;border-radius:50%;object-fit:cover;object-position:center 25%;border:5px solid #fff;background:#CDCDCD;box-shadow:0 10px 22px rgba(31,42,68,.2)}
.av-reno{left:0;top:450px;width:150px;height:150px;z-index:3}
.av-pixel{left:140px;top:500px;width:110px;height:110px;object-position:center 40%;z-index:3}
.av-moka{left:260px;top:450px;width:120px;height:120px;z-index:3}
.av-lumi{left:370px;top:515px;width:92px;height:92px;z-index:3}
.hero-script{position:absolute;right:0;bottom:60px;font-size:28px;text-align:right;transform:rotate(-6deg);white-space:nowrap}

/* at a glance */
.glance{background:#fff;padding:32px 0}
.glance-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.gcard{border-radius:20px;padding:22px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:8px;transition:transform .2s}
.gcard:hover{transform:translateY(-4px)}
.gcard strong{font-size:19px;font-weight:900}
.gcard span:last-child{font-size:14px;line-height:1.6;color:var(--body)}
.gnum{width:32px;height:32px;border-radius:10px;color:#fff;font-family:Fredoka,sans-serif;font-weight:700;display:flex;align-items:center;justify-content:center}
.g-blue{background:var(--blue-bg)}.g-blue .gnum{background:var(--blue)}
.g-yellow{background:#FFF4DB}.g-yellow .gnum{background:var(--yellow)}
.g-green{background:#E8F5EE}.g-green .gnum{background:var(--green)}
.g-red{background:#FBEDEB}.g-red .gnum{background:var(--red)}
.g-purple{background:#EFEBFB}.g-purple .gnum{background:var(--purple)}

/* sections */
.sec{padding:80px 0}
.sec-cream{background:var(--cream)}.sec-white{background:#fff}.sec-peach{background:var(--peach)}.sec-blue{background:var(--blue-bg)}.sec-lav{background:var(--lav)}
.split{display:flex;align-items:center;gap:56px}
.copy{flex:0 0 420px;display:flex;flex-direction:column;gap:18px}
.copy p{font-size:17px;line-height:1.8;color:var(--body)}

/* world tree */
.tree{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;padding-top:8px}
.tree-hand{position:absolute;right:0;top:-18px;font-size:26px;text-align:right;transform:rotate(6deg)}
.tree-root{background:var(--blue);color:#fff;border-radius:999px;padding:10px 40px;text-align:center;display:flex;flex-direction:column;box-shadow:0 8px 18px rgba(47,111,184,.3)}
.tree-root b{font-family:Fredoka,sans-serif;font-weight:600;font-size:20px}
.tree-root span{font-size:13px}
.tree-lines{width:78%;height:40px;border:2px solid #B7C6DE;border-bottom:0;border-radius:10px 10px 0 0;margin-top:20px;position:relative}
.tree-lines::before{content:"";position:absolute;left:50%;top:-22px;width:2px;height:20px;background:#B7C6DE}
.tree-kids{display:grid;grid-template-columns:1fr 1fr 1fr .8fr;gap:14px;width:100%;margin-top:-2px}
.tcard{border-radius:18px;padding:12px;display:flex;flex-direction:column;gap:6px;text-align:center;box-shadow:0 8px 20px rgba(31,42,68,.08)}
.tcard b{font-size:14px;line-height:1.3}
.tcard small{font-size:12px;color:var(--muted);margin-top:-4px}
.tcard em{font-style:normal;font-size:12px;font-weight:700;color:var(--purple)}
.t-yellow{background:#FFF4DB}.t-blue{background:#E9F3FB}.t-green{background:#EAF6F0}
.t-more{border:2px dashed #C9C0E8;box-shadow:none;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--purple);line-height:1.5}
.tcovers{display:flex;gap:5px;justify-content:center}
.tcovers img{width:31%;aspect-ratio:2/3;object-fit:cover;border-radius:5px}
.tthumb{width:100%;height:84px;object-fit:cover;object-position:center 25%;border-radius:8px}

/* curiosity */
.curio-in{display:flex;align-items:center;gap:40px}
.curio-copy{flex:0 0 320px;display:flex;flex-direction:column;gap:16px}
.curio-hand{font-size:50px;color:var(--ink)}
.curio-copy p:last-child{font-size:16px;line-height:1.75;color:var(--body)}
.curio-flow{flex:1;display:flex;flex-direction:column;gap:22px}
.flow{list-style:none;margin:0;padding:0;display:flex;justify-content:space-between}
.flow li{flex:1;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;font-size:14px;font-weight:700;line-height:1.45;position:relative}
.flow li+li::before{content:"→";position:absolute;left:-8px;top:20px;color:#B79F86;font-size:20px;font-weight:400}
.ficon{width:64px;height:64px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center}
.ficon svg,.fi svg,.tip svg{width:30px;height:30px;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.f-yellow svg{stroke:var(--yellow)}.f-purple svg{stroke:var(--purple)}.f-blue svg{stroke:var(--blue)}.f-green svg{stroke:var(--green)}
.curio-flow .script{font-size:44px}
.curio-art{flex:0 0 250px;height:290px;position:relative}
.bubble{position:absolute;right:0;top:0;width:200px;height:130px;border-radius:65px;overflow:hidden;border:5px solid #fff;box-shadow:0 10px 22px rgba(31,42,68,.15)}
.bubble img{width:100%;height:100%;object-fit:cover}
.dot{position:absolute;background:#fff;border-radius:50%}
.d1{right:60px;top:136px;width:18px;height:18px}.d2{right:84px;top:160px;width:11px;height:11px}
.av-leo{left:0;bottom:0;width:150px;height:150px;object-position:center 18%}

/* levels */
.split-top{align-items:center;margin-bottom:32px}
.steps{flex:1;display:flex;gap:12px;align-items:center}
.step{flex:1;padding:0;border-radius:20px;overflow:hidden;border:3px solid transparent;display:flex;flex-direction:column;text-align:center;box-shadow:0 10px 24px rgba(31,42,68,.06);transition:transform .2s,box-shadow .2s}
.step img{width:100%;height:120px;object-fit:cover}
.step-head{color:#fff;padding:12px 10px;display:flex;flex-direction:column;gap:2px}
.step-head small{font-size:12px}.step-head small:first-child{font-weight:700;letter-spacing:1px}
.step-head b{font-size:20px;font-weight:900}
.step-desc{padding:14px 14px 16px;font-size:14px;line-height:1.6;color:var(--body)}
.s-k{background:#FFF6E0}.s-k .step-head{background:#F2B233}.s-k.is-on{border-color:#F2B233}
.s-e{background:#EAF3FC}.s-e .step-head{background:#3E8EDB}.s-e.is-on{border-color:#3E8EDB}
.s-m{background:#F1EDFC}.s-m .step-head{background:#8A6FD6}.s-m.is-on{border-color:#8A6FD6}
.step.is-on{transform:translateY(-6px);box-shadow:0 14px 30px rgba(31,42,68,.16)}
.excerpt{background:var(--cream);border:1.5px solid var(--line);border-radius:22px;padding:24px 30px;display:flex;gap:28px}
.ex-meta{flex:0 0 220px;display:flex;flex-direction:column;gap:6px}
.ex-meta em{font-style:normal;font-size:13px;font-weight:700;color:var(--orange-ink)}
.ex-meta b{font-family:Fredoka,sans-serif;font-weight:600;font-size:19px}
.ex-meta small{font-size:13px;color:var(--muted)}
.ex-text{font-family:Andika,sans-serif;font-size:19px;line-height:1.75;white-space:pre-line}

/* US UK */
.tip{display:flex;gap:12px;align-items:center;background:#fff;border:1.5px solid #F4C9B8;border-radius:16px;padding:14px 18px;color:var(--orange-ink);font-weight:700;font-size:15px;line-height:1.55}
.tip svg{stroke:var(--yellow);flex-shrink:0}
.usuk{flex:1;display:flex;flex-direction:column;gap:16px}
.ed-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.ed{background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.ed header{color:#fff;padding:14px 20px;display:flex;flex-direction:column}
.ed header b{font-family:Fredoka,sans-serif;font-weight:600;font-size:20px}
.ed header small{font-size:12px}
.ed-us header{background:var(--blue)}.ed-uk header{background:var(--red)}
.ed-img{position:relative}
.ed-img img{width:100%;height:180px;object-fit:cover}
.speech{position:absolute;left:14px;right:14px;bottom:14px;background:#fff;border-radius:16px;padding:12px 16px;font-family:Andika,sans-serif;font-size:19px;line-height:1.4;box-shadow:0 6px 16px rgba(31,42,68,.2);min-height:54px}
.speech mark{background:none;color:var(--red);font-weight:700;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}
.ed ul{list-style:none;margin:0;padding:16px 20px;display:flex;flex-direction:column;gap:8px;font-size:14px}
.ed ul li::before{content:"✓ ";font-weight:900}
.ed-us li::before{color:var(--blue)}.ed-uk li::before{color:var(--red)}
.pair-bar{display:flex;align-items:center;gap:14px}
.pair-bar p{font-size:14px}
.dots{margin-left:auto;display:flex;gap:8px}
.dots button{width:44px;height:44px;border-radius:50%;border:2px solid var(--ink);background:#fff;color:var(--ink);font-weight:700;font-size:15px}
.dots button[aria-pressed="true"]{background:var(--ink);color:#fff}

/* reader */
.modes{display:flex;gap:10px;flex-wrap:wrap}
.mode{min-height:48px;padding:0 24px;border-radius:999px;border:1.5px solid #D8DEEA;background:#fff;color:var(--ink);font-weight:700;font-size:16px}
.mode.is-on{background:var(--blue);border-color:var(--blue);color:#fff}
.mode-help{font-size:14px!important;color:var(--muted)!important}
.tablet-wrap{flex:1;position:relative;min-height:470px}
.tablet{width:540px;max-width:100%;background:var(--ink);border-radius:34px;padding:16px;box-shadow:0 24px 50px rgba(31,42,68,.22)}
.screen{background:#fff;border-radius:22px;overflow:hidden}
.screen video{width:100%;height:240px;object-fit:cover}
.demo{padding:18px 26px 6px;font-family:Andika,sans-serif;font-size:21px;line-height:1.8;min-height:116px}
.demo span{text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:6px;text-decoration-color:transparent;transition:text-decoration-color .15s}
.demo span.gl{color:#5B3FC4;font-weight:700}
.demo span.on{text-decoration-color:var(--orange-ink)}
.demo.sentence span.on{text-decoration-thickness:2px}
.ctrl{display:flex;align-items:center;justify-content:center;gap:28px;padding:4px 0 16px}
.ctrl svg{width:22px;height:22px;fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.play{width:46px;height:46px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center}
.play svg{width:18px;height:18px;fill:#fff;stroke:none}
.tablet-hand{position:absolute;left:565px;top:60px;font-size:26px;white-space:nowrap;transform:rotate(-4deg)}
.wordcard{position:absolute;left:450px;top:150px;width:210px;background:#fff;border-radius:18px;padding:16px 18px;box-shadow:0 14px 32px rgba(31,42,68,.18);display:flex;flex-direction:column;gap:6px}
.wordcard div{display:flex;justify-content:space-between;align-items:center}
.wordcard b{font-family:Andika,sans-serif;font-size:21px;color:#5B3FC4}
.wordcard svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.wordcard span{font-size:14px}

/* features */
.feat-in{display:flex;gap:32px}
.feat-main{flex:1;display:flex;flex-direction:column;gap:16px}
.feat-main h2{font-size:34px;margin-bottom:8px}
.feat-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.fcard{background:#fff;border-radius:20px;padding:22px 12px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;box-shadow:0 8px 20px rgba(31,42,68,.06)}
.fcard b{font-size:17px}
.fcard>span:last-child{font-size:13px;color:var(--body);line-height:1.5}
.fi{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center}
.fi svg{width:24px;height:24px}
.fi-pink{background:#FDE8EE}.fi-pink svg{stroke:#D94A76}
.fi-purple{background:#EFEBFB}.fi-purple svg{stroke:var(--purple)}
.fi-green{background:#E4F4EC}.fi-green svg{stroke:var(--green)}
.fi-blue{background:#E6F0FA}.fi-blue svg{stroke:var(--blue)}
.fi-orange{background:var(--orange-soft)}
.fi-aa{font-family:Fredoka,sans-serif;font-weight:700;font-size:19px;color:var(--orange-ink);text-decoration:underline;text-underline-offset:4px}
.feat-art{flex:0 0 230px;position:relative;min-height:300px}
.feat-art .hand{position:absolute;left:-10px;top:40px;font-size:25px;white-space:nowrap;transform:rotate(-3deg)}
.av-lumi2{left:10px;top:130px;width:140px;height:140px}
.av-ttotto{left:120px;top:190px;width:100px;height:100px}

/* bedtime */
.bed-in{display:flex;align-items:center;gap:40px}
.bed-in .copy{flex:0 0 420px}
.moon-card{flex:0 0 320px;height:290px;background:#1B2340;color:#fff;border-radius:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;box-shadow:0 20px 44px rgba(27,35,64,.3)}
.moon-card svg{width:52px;height:52px;fill:#F2C14E}
.moon-card b{font-family:Fredoka,sans-serif;font-weight:600;font-size:28px}
.moon-card span{font-size:14px;color:#C7CCE3}
.moon-card em{font-style:normal;margin-top:6px;background:rgba(255,255,255,.1);border-radius:12px;padding:10px 18px;font-family:Fredoka,sans-serif;font-size:18px}
.checks{flex:1;list-style:none;margin:0;padding:26px 28px;background:#fff;border-radius:24px;display:flex;flex-direction:column;gap:16px;font-size:16px}
.checks li{display:flex;gap:12px;align-items:center}
.checks li::before{content:"✓";flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--purple);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:13px}

/* worlds */
.worlds-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px}
.worlds-head>div{display:flex;flex-direction:column;gap:14px}
.worlds-head h2{font-size:34px}
.more{font-weight:700;text-decoration:none}
.worlds{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.wcard{background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);text-decoration:none;color:var(--ink);display:flex;flex-direction:column}
.wcard img,.ph{width:100%;height:220px;object-fit:cover}
.wcard img.top{object-position:center 25%}
.ph{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
.ph-warm{background:#FFE9C9;color:#A0763A}.ph-cool{background:#E3ECF8;color:#4A6A9A}
.wcard>div{padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.wcard b{font-family:Fredoka,sans-serif;font-weight:600;font-size:17px}
.wcard span{font-size:13px;color:var(--body)}
.wcard em{font-style:normal;font-size:12px;font-weight:700;color:var(--purple);margin-top:4px}

/* final */
.final{position:relative;background:#FFE8D2;overflow:hidden;min-height:480px;display:flex;align-items:center}
.final-bg{position:absolute;right:0;top:0;width:58%;height:100%;object-fit:cover;object-position:60% center;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 35%);mask-image:linear-gradient(90deg,transparent 0,#000 35%)}
.final-in{position:relative;width:100%;display:flex;flex-direction:column;gap:16px;padding-top:72px;padding-bottom:72px}
.final-in>*{max-width:560px}
.final .script{font-size:30px;white-space:nowrap}
.final h2{font-size:40px}
.final p{font-size:17px;line-height:1.75;color:var(--body)}
.final .note{font-size:14px}

/* footer */
.foot{background:var(--ink);color:#C3C9DB;padding:30px 0;font-size:13px}
.foot-top{display:flex;align-items:center;gap:32px;margin-bottom:14px;flex-wrap:wrap}
.foot a{color:#fff;text-decoration:none}
.foot nav{display:flex;gap:24px}
.foot-legal{margin-left:auto}
.logo-light .logo-word{color:#fff;font-size:22px}
.logo-light .logo-tag{color:#C3C9DB;font-size:11px}
.biz{line-height:1.7}

/* ---------- tablet ---------- */
@media (max-width:1100px){
  h1{font-size:44px}
  .hero-in{flex-direction:column;align-items:stretch;min-height:0;padding-bottom:24px}
  .hero-copy{flex:none;padding:40px 0 0}
  .hero-art{height:600px;width:720px;max-width:100%;margin:0 auto}
  .glance-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.glance-grid .gcard:last-child{grid-column:1/-1}
  .split,.curio-in,.bed-in,.feat-in{flex-direction:column;align-items:stretch}
  .copy,.curio-copy,.bed-in .copy{flex:none}
  .curio-art{display:none}
  .tablet-wrap{min-height:0}
  .tablet{margin:0 auto}
  .tablet-hand,.wordcard{position:static;transform:none;margin:14px auto 0}
  .tablet-hand{text-align:center}
  .feat-art{display:none}
  .feat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .moon-card{flex:none;width:100%}
  .worlds{grid-template-columns:repeat(3,minmax(0,1fr))}
  .final-bg{width:100%;opacity:.25;-webkit-mask-image:none;mask-image:none}
}

/* ---------- phone ---------- */
@media (max-width:720px){
  .wrap{padding:0 16px}
  h1{font-size:34px}
  h2{font-size:27px}
  .nav-in{height:64px;gap:12px}
  section[id]{scroll-margin-top:72px}
  .nav-links{display:none}
  .logo-word{font-size:26px}
  .hero-hand{font-size:28px}
  .lead{font-size:16px}
  .lead br,.hero h1 br{display:none}
  .btn{padding:0 24px;font-size:16px}
  .hero-art{height:auto;width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:8px 0 0}
  .hero-art .book{position:static;width:auto;transform:none;padding:5px;border-radius:12px}
  .hero-art .book img{height:150px}
  .hero-art .book figcaption{font-size:11px;flex-direction:column;align-items:flex-start;gap:2px;padding:6px 2px 0}
  .hero-art .av,.hero-script{display:none}
  .glance{padding:20px 0}
  .glance-grid{grid-template-columns:1fr}.glance-grid .gcard:last-child{grid-column:auto}
  .sec{padding:56px 0}
  .tree-hand{display:none}
  .tree-kids{grid-template-columns:1fr 1fr}
  .tree-lines{display:none}
  .tree-root{margin-bottom:16px}
  .flow li{font-size:12px}
  .ficon{width:52px;height:52px}
  .curio-flow .script{font-size:34px}
  .curio-hand{font-size:40px}
  .steps{flex-direction:column}
  .step{width:100%}
  .step img{display:none}
  .excerpt{flex-direction:column;gap:12px;padding:20px}
  .ex-meta{flex:none}
  .ex-text{font-size:17px}
  .ed-cards{grid-template-columns:1fr}
  .pair-bar{flex-direction:column;align-items:flex-start}
  .dots{margin-left:0}
  .screen video{height:180px}
  .demo{font-size:18px;padding:14px 18px 4px}
  .feat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .worlds{grid-template-columns:1fr}
  .worlds-head{flex-direction:column;align-items:flex-start;gap:12px}
  .final .script{font-size:24px;white-space:normal}
  .final h2{font-size:30px}
  .foot-legal{margin-left:0}
}

/* ---- 2026-10-01: 누르지 않아도 보이는 구성 ---- */
.sec-head{display:flex;flex-direction:column;gap:16px;max-width:760px;margin-bottom:32px}
.sec-head p{font-size:17px;line-height:1.8;color:var(--body)}
.lv-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.lv{border-radius:22px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 10px 24px rgba(31,42,68,.08)}
.lv header{color:#fff;padding:14px 18px;display:flex;flex-direction:column;gap:2px}
.lv header small{font-size:12px}.lv header small:first-child{font-weight:700;letter-spacing:1px}
.lv header b{font-size:22px;font-weight:900}
.lv img{width:100%;height:140px;object-fit:cover}
.lv blockquote{margin:0;padding:18px 20px 8px;font-family:Andika,sans-serif;font-size:18px;line-height:1.6;color:var(--ink);flex:1}
.lv footer{padding:0 20px 18px;font-size:14px;color:var(--body)}
.lv-k{background:#FFF6E0}.lv-k header{background:#F2B233}
.lv-e{background:#EAF3FC}.lv-e header{background:#3E8EDB}
.lv-m{background:#F1EDFC}.lv-m header{background:#8A6FD6}
.cmp{flex:1;background:#fff;border-radius:22px;box-shadow:var(--shadow);padding:8px 22px 18px}
.cmp-head,.cmp-row{display:grid;grid-template-columns:64px 1fr 1fr;gap:16px;align-items:start}
.cmp-head{padding:14px 0 10px;border-bottom:2px solid var(--line)}
.cmp-head b{font-family:Fredoka,sans-serif;font-weight:600;font-size:17px}
.c-us{color:var(--blue)}.c-uk{color:var(--red)}
.cmp-row{padding:14px 0;border-bottom:1px solid var(--line)}
.cmp-row .who{font-size:13px;font-weight:700;color:var(--muted);padding-top:3px}
.cmp-row p{font-family:Andika,sans-serif;font-size:17px;line-height:1.5}
.cmp-row mark{background:none;color:inherit;font-weight:700;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.cmp-row p:nth-child(2) mark{text-decoration-color:var(--blue)}
.cmp-row p:nth-child(3) mark{text-decoration-color:var(--red)}
.cmp-note{font-size:13px;color:var(--muted);padding-top:12px}
.try{font-size:15px!important;font-weight:700;color:var(--orange-ink)!important;margin-bottom:-8px}
.now{padding:12px 26px 0;font-size:13px;font-weight:700;color:var(--blue)}
.wordcard em{font-style:normal;font-size:11px;font-weight:700;color:var(--muted)}
@media (max-width:1100px){.lv-grid{grid-template-columns:1fr}.lv{flex-direction:row;flex-wrap:wrap}.lv header{width:100%}.lv img{display:none}}
@media (max-width:720px){
  .cmp{padding:6px 14px 14px}
  .cmp-head{display:none}
  .cmp-row{grid-template-columns:1fr;gap:6px}
  .cmp-row p:nth-child(2)::before{content:"US  ";font-family:Fredoka,sans-serif;font-weight:700;color:var(--blue)}
  .cmp-row p:nth-child(3)::before{content:"UK  ";font-family:Fredoka,sans-serif;font-weight:700;color:var(--red)}
  .lv blockquote{font-size:16px}
}
.tablet-hand{left:550px!important;top:250px!important;font-size:23px!important;white-space:normal!important;width:130px}
@media (max-width:1100px){.tablet-hand{width:auto}}

/* ---- 2026-10-01: Universe 구조 ---- */
.tree-lines-3{width:68%}
.uni-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;width:100%;margin-top:-2px}
.uni{border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:8px;box-shadow:0 8px 20px rgba(31,42,68,.08)}
.uni>small{font-size:11px;font-weight:700;letter-spacing:1.5px;color:var(--muted)}
.uni>b{font-family:Fredoka,sans-serif;font-weight:600;font-size:18px;margin-top:-6px}
.u-yellow{background:#FFF4DB}.u-blue{background:#E9F3FB}.u-green{background:#EAF6F0}
.useries{background:#fff;border-radius:12px;padding:8px;display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700}
.useries .tthumb{height:70px}
.u-text{padding:10px 8px}
.u-more{background:transparent;border:1.5px dashed rgba(31,42,68,.2);color:var(--muted);font-weight:500;text-align:center;padding:8px}
.uname{font-size:11px;font-weight:700;letter-spacing:.5px;color:var(--muted)}
@media (max-width:720px){.uni-row{grid-template-columns:1fr}}

/* ---- 2026-10-01: Universe 개수 자동 대응 (universes.py가 n1~n4 클래스를 붙임) ---- */
.u-purple{background:#F1ECFB}.u-pink{background:#FDEDF1}.u-orange{background:#FFEBDD}.u-teal{background:#E5F3F1}
.uni-n1{grid-template-columns:minmax(0,320px);justify-content:center}.tree-lines-n1{width:2px;border-width:0 0 0 2px;border-radius:0}
.uni-n2{grid-template-columns:repeat(2,minmax(0,1fr))}.tree-lines-n2{width:52%}
.uni-n3{grid-template-columns:repeat(3,minmax(0,1fr))}.tree-lines-n3{width:68%}
.uni-n4{grid-template-columns:repeat(2,minmax(0,1fr))}.tree-lines-n4{width:52%}
.worlds-n1{grid-template-columns:minmax(0,420px)}
.worlds-n2{grid-template-columns:repeat(2,minmax(0,1fr))}
.worlds-n4{grid-template-columns:repeat(4,minmax(0,1fr))}
.worlds-n4 .wcard img{height:180px}
@media (max-width:1100px){.worlds-n4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.uni-row,.worlds{grid-template-columns:1fr!important}
  .uni-row.uni-n4,.worlds.worlds-n4{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px}
  .uni-n4 .uni{padding:10px}.uni-n4 .uni>b{font-size:15px}.uni-n4 .useries{font-size:12px}
  .worlds-n4 .wcard img{height:120px}.worlds-n4 .wcard>div{padding:10px 12px}.worlds-n4 .wcard b{font-size:15px}}

/* ---- 2026-10-01: 기능 4가지 + 바탕화면 추가 ---- */
.feat-grid.feat-4{grid-template-columns:repeat(4,minmax(0,1fr))}
/* 2026-10-07 Play & Learn 소개 */
.play-head{display:flex;flex-direction:column;gap:14px;max-width:720px}
.playsec h2{font-size:34px}
.playsec .lead{font-size:17px;line-height:1.75;color:var(--body);margin:0}
.play-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:36px}
.pcard{background:#fff;border:1.5px solid #F0E6D8;border-radius:24px;padding:22px;display:flex;flex-direction:column;gap:18px;align-items:center}
.phone{width:min(100%,220px);aspect-ratio:9/19.5;border-radius:30px;border:6px solid var(--ink);background:#0F1829;overflow:hidden;box-shadow:0 16px 36px -22px rgba(31,42,68,.6)}
.phone img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}
.pbody{display:flex;flex-direction:column;gap:6px;width:100%}
.plv{display:inline-block;align-self:flex-start;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:800;letter-spacing:.02em;color:#fff}
.pc-kinder .plv{background:#2BA84A}.pc-elem .plv{background:#2F7BE0}.pc-middle .plv{background:#7B55C9}
.pcard b{font-size:16.5px;color:var(--ink);line-height:1.35}
.pcard p{margin:0;font-size:15px;line-height:1.7;color:var(--body)}
@media (max-width:1100px){.play-grid{gap:16px}.phone{width:min(100%,180px)}}
@media (max-width:720px){.playsec h2{font-size:26px}.play-grid{grid-template-columns:1fr;gap:14px;margin-top:24px}.pcard{flex-direction:row;align-items:flex-start;padding:16px}.phone{width:104px;flex:0 0 104px;border-width:4px;border-radius:18px}}
/* 2026-10-04 이름에 담긴 이야기(Bini·NexBiz) */
.about-head{display:flex;flex-direction:column;gap:14px}
.about h2{font-size:34px}
.about .mark{color:var(--orange-ink)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.acard{background:#fff;border:1.5px solid #F0E6D8;border-radius:22px;padding:26px 28px;display:flex;gap:18px;align-items:flex-start}
.acard img{width:64px;height:64px;flex:0 0 64px}
.acard .nx{width:64px;height:64px;flex:0 0 64px;border-radius:16px;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.02em}
.acard b{display:block;font-size:19px;margin-bottom:6px;color:var(--ink)}
.acard p{margin:0;font-size:15.5px;line-height:1.75;color:var(--body)}
@media (max-width:720px){.about-grid{grid-template-columns:1fr}.about h2{font-size:26px}.acard{padding:20px 18px;gap:14px}}
@media (max-width:1100px){.feat-grid.feat-4{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:720px){.feat-grid.feat-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
.install-link{display:block;margin-top:10px;background:none;border:0;padding:0;font:inherit;font-size:14px;font-weight:700;color:var(--orange-ink);text-decoration:underline;text-underline-offset:3px;cursor:pointer;text-align:left}
.js-install[hidden]{display:none!important}
.ig{border:0;border-radius:20px;padding:24px 22px 20px;max-width:360px;width:calc(100% - 32px);box-shadow:0 20px 60px rgba(31,42,68,.3);color:var(--ink);text-align:center}
.ig::backdrop{background:rgba(31,42,68,.45)}
.ig-icon{width:72px;height:72px;border-radius:18px;box-shadow:0 4px 12px rgba(31,42,68,.15)}
.ig h3{margin:12px 0 8px;font-size:19px}
.ig ol{text-align:left;margin:0 0 10px;padding-left:22px;line-height:1.8;font-size:15px;color:var(--body)}
.ig ol b{color:var(--ink)}
.ig-note{font-size:13px;color:var(--muted);margin:0 0 14px}
.ig form{display:flex;justify-content:center}
.nw{white-space:nowrap}

/* ---- 2026-10-02: 한국어/영어 전환 링크 ---- */
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.home-kid{display:flex;align-items:center;gap:6px;text-decoration:none;color:inherit;font-weight:700;font-size:14px;min-width:0}
.home-kid img{width:32px;height:32px;border-radius:50%;object-fit:cover;object-position:50% 30%;background:#FFF1E4;flex:none}
.home-kid span{max-width:7em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-right .btn{margin-left:0}
.lang-link{font-size:14px;font-weight:700;color:var(--muted);text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:6px 12px;white-space:nowrap}
.lang-link:hover{color:var(--ink);border-color:var(--ink)}
@media (max-width:720px){.nav-right{gap:8px}.lang-link{padding:5px 10px;font-size:13px}}
@media (max-width:420px){.nav-right .btn-sm{padding:0 14px;font-size:14px;min-height:40px}.nav .logo-tag{font-size:10px}}

/* ---- 2026-10-02: 머리말 로고에 비니(모자) 캐릭터 ---- */
.logo.has-hat{flex-direction:row;align-items:center;gap:8px}
.logo-hat{width:48px;height:48px;flex:none;display:block}
.logo-text{display:flex;flex-direction:column}
@media (max-width:720px){.logo-hat{width:40px;height:40px}}
@media (max-width:420px){.logo-hat{width:34px;height:34px}.logo.has-hat{gap:5px}.nav .logo-word{font-size:22px}}
@media (max-width:380px){.nav .logo-tag{display:none}.nav-right{gap:6px}.nav-right .btn-sm{padding:0 10px;font-size:13px}.lang-link{padding:4px 8px;font-size:12px}.nav-in{gap:8px}}

/* FAQ 2026-10-16 */
.faq-head{display:flex;flex-direction:column;gap:14px}
.faq h2{font-size:34px}
.faq-list{max-width:820px;margin:26px 0 0}
.faq-item{background:var(--cream);border-radius:14px;margin:0 0 10px;padding:0 18px}
.faq-item summary{cursor:pointer;list-style:none;padding:15px 0;font-weight:700;font-size:16px;display:flex;gap:10px;align-items:flex-start;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:'Q';flex:none;width:26px;height:26px;border-radius:50%;background:var(--orange);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;margin-top:1px}
.faq-item p{margin:0 0 10px;line-height:1.75;color:var(--body);font-size:15px}
.faq-more{display:inline-block;margin:0 0 16px;color:var(--orange-ink);font-weight:700;text-decoration:none;font-size:14px}
.faq-links{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:22px}
.faq-pdf{color:var(--ink);text-decoration:none;font-weight:700;font-size:14px}
@media (max-width:720px){.faq h2{font-size:26px}.faq-item summary{font-size:15px}}