/* 쏠뷰 공통 스타일 — 홈·시리즈·교재 소개·교사룸이 함께 씀. 색·글꼴은 :root 토큰만 바꾸면 전체 반영 */
:root{
  --ink:#0c1020; --ink2:#1c2236; --sub:#565d73; --mute:#8f95a8; --line:#eaecf2; --line2:#dfe3ec;
  --bg:#fff; --panel:#f6f7fb; --soft:#eef1ff;
  --brand:#4361ff; --brand2:#8a5cff; --glow:#6b7dff;
  --grad:linear-gradient(120deg,var(--brand),var(--brand2));
  --r:22px; --r2:16px;
  --mono:"Space Grotesk",ui-monospace,monospace;
  --shadow:0 1px 2px rgba(12,16,32,.04),0 12px 32px -12px rgba(12,16,32,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
p{text-wrap:pretty}h1,h2,h3{text-wrap:balance}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,"Malgun Gothic",sans-serif;color:var(--ink);background:var(--bg);letter-spacing:-.02em;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}img{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.nw{white-space:nowrap}
.g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.label{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
.sec{padding:104px 0}
.sec.tight{padding-top:24px}
.panel{background:var(--panel)}
.sh{max-width:40em}
.sh h2{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.045em;line-height:1.2;margin-top:14px}
.sh p{font-size:clamp(15px,1.6vw,17px);color:var(--sub);line-height:1.7;margin-top:14px}
.sh.c{margin:0 auto;text-align:center}
br.pc{display:inline}br.mo{display:none}
@media(max-width:600px){br.pc{display:none}br.mo{display:inline}}

/* nav */
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.8);backdrop-filter:saturate(1.6) blur(16px);-webkit-backdrop-filter:saturate(1.6) blur(16px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;height:64px;gap:24px}
.logo{display:flex;align-items:center;gap:10px}
.logo .ko{font-weight:800;font-size:19px;letter-spacing:-.03em}
.logo .dv{width:1px;height:16px;background:var(--line2)}
.logo .en{font-family:var(--mono);font-weight:700;font-size:18px;letter-spacing:-.01em}
.nav nav{margin-left:auto;display:flex;gap:30px;font-size:15.5px;font-weight:700;color:var(--ink)}
.nav nav a{transition:color .15s}.nav nav a:hover,.nav nav a[aria-current]{color:var(--brand)}
.nbtn{display:inline-flex;align-items:center;gap:4px;font-size:14px;font-weight:700;padding:9px 16px;border-radius:999px;background:var(--soft);color:var(--brand);transition:background .15s,color .15s;white-space:nowrap}
.nbtn:hover{background:var(--brand);color:#fff}
.nbtn.tlog{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line);margin-right:-14px}.nbtn.tlog:hover{background:var(--ink);color:#fff;box-shadow:none}
@media(max-width:760px){
  .nav .wrap{gap:14px}
  .nav nav{gap:16px;font-size:15px;white-space:nowrap}
  .nbtn{padding:7px 12px;font-size:13px}
  html{scroll-padding-top:72px}
}

/* buttons */
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.cta.c{justify-content:center}
.btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;padding:14px 24px;border-radius:13px;transition:transform .18s,background .18s,box-shadow .18s,border-color .18s;white-space:nowrap}
.btn .ar{transition:transform .18s}.btn:hover .ar{transform:translateX(3px)}
.btn.dark{background:var(--ink);color:#fff;box-shadow:0 10px 24px -10px rgba(12,16,32,.55)}.btn.dark:hover{background:var(--ink2)}
.btn.soft{background:var(--soft);color:var(--brand)}.btn.soft:hover{background:#e4e9ff}
.btn.line{border:1px solid var(--line2);background:#fff}.btn.line:hover{border-color:var(--ink)}
.btn.sm{font-size:14px;padding:10px 16px;border-radius:11px}
.btn.off{opacity:.5;pointer-events:none}
@media(max-width:560px){.btn{padding:13px 20px}}
/* 새 창 링크 표시 */
.ext:not(.way):not(.btn):after{content:"↗";font-size:.85em;margin-left:2px;opacity:.65}
.btn.ext .ar{display:none}
.btn.ext:after{content:"↗";font-weight:700;opacity:.8}
.txtlink{font-size:14px;font-weight:700;color:var(--sub);text-decoration:underline;text-underline-offset:4px}
.txtlink:hover{color:var(--ink)}

/* hero */
.hero{position:relative;padding:128px 0 112px;overflow:hidden;text-align:center}
.hero .bgglow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(38% 42% at 50% 42%,rgba(107,125,255,.16),transparent 72%),radial-gradient(26% 32% at 70% 34%,rgba(138,92,255,.11),transparent 72%),radial-gradient(26% 32% at 30% 38%,rgba(67,97,255,.09),transparent 72%)}
.hero .bggrid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;-webkit-mask:radial-gradient(60% 55% at 50% 30%,#000,transparent 80%);mask:radial-gradient(60% 55% at 50% 30%,#000,transparent 80%);opacity:.55}
.hero .wrap{position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:var(--sub);background:rgba(255,255,255,.7);border:1px solid var(--line);padding:7px 14px 7px 8px;border-radius:999px;box-shadow:0 4px 16px rgba(12,16,32,.05)}
.eyebrow b{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:#fff;background:var(--ink);padding:4px 8px;border-radius:999px}
.hero h1{font-size:clamp(40px,7.2vw,88px);font-weight:800;line-height:1.07;letter-spacing:-.055em;margin-top:24px}
.hero .lead{font-size:clamp(16px,2vw,19px);color:var(--sub);line-height:1.7;max-width:32em;margin:22px auto 0}
.hero .cta{justify-content:center}
.hero .sub{margin-top:22px}
@media(max-width:560px){.hero{padding:84px 0 72px}}

/* chips */
.chiprow{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;background:var(--soft);color:var(--brand);white-space:nowrap}
.chip.k{background:var(--ink);color:#fff}
.chip.gray{background:var(--panel);color:var(--sub)}

/* crumb */
.crumb{font-size:13.5px;color:var(--mute);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumb a:hover{color:var(--ink)}

/* reviews */
.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:48px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats div{padding:26px 10px;text-align:center}
.stats div+div{border-left:1px solid var(--line)}
.stats b{display:block;font-size:clamp(22px,3.6vw,40px);font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.stats b small{font-size:.5em;font-weight:800;margin-left:1px}
.stats span{font-size:13.5px;color:var(--sub)}
.rvg{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.rv{border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column;background:#fff}
.rv .st5{color:var(--brand);font-size:12px;letter-spacing:2px}
.rv q{quotes:none;font-size:15px;line-height:1.7;margin-top:12px;font-weight:500}
.rv .who{margin-top:auto;padding-top:18px;font-size:12.5px;color:var(--mute)}
.rv .who b{color:var(--ink);font-weight:700;margin-right:6px}.rv .who b:empty{display:none}
.rv.hide{display:none}
.more{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:22px}
.rvfoot{font-size:12.5px;color:var(--mute);text-align:center;margin-top:16px}
@media(max-width:900px){.rvg{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.rvg{grid-template-columns:1fr}.stats span{font-size:12px}}

/* icon card grid (도구·특징) */
.icards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
.icard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;background:#fff;transition:transform .2s,box-shadow .2s,border-color .2s;min-width:0}
a.icard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line2)}
.icard .ic{width:44px;height:44px;border-radius:13px;background:var(--soft);color:var(--brand);display:grid;place-items:center}
.icard .ic svg{width:22px;height:22px}
.icard b{display:block;font-size:17px;font-weight:800;letter-spacing:-.03em;margin-top:18px}
.icard p{font-size:14px;color:var(--sub);line-height:1.65;margin-top:8px}
.icard .go{margin-top:auto;padding-top:16px;font-size:13px;font-weight:700;color:var(--brand)}
.icard.off{opacity:.55}.icard.off .go{color:var(--mute)}
@media(max-width:980px){.icards{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.icards{grid-template-columns:1fr}}

/* cta band */
.band{display:flex;align-items:center;gap:20px;border-radius:24px;padding:30px 34px;background:var(--soft)}
.band .bic{width:54px;height:54px;border-radius:16px;background:#fff;color:var(--brand);display:grid;place-items:center;flex:none}
.band .bic svg{width:25px;height:25px}
.band .bt{flex:1;min-width:0}
.band h2{font-size:clamp(19px,2.2vw,23px);font-weight:800;letter-spacing:-.04em;line-height:1.35}
.band p{font-size:14.5px;color:var(--sub);line-height:1.6;margin-top:4px}
.bps{display:flex;gap:10px;flex-wrap:wrap;flex:none}
.bp{display:inline-flex;align-items:center;gap:4px;padding:13px 22px;border-radius:999px;font-weight:700;font-size:15px;background:#fff;color:var(--ink);border:1px solid var(--line2);transition:border-color .15s,box-shadow .2s,filter .15s}
.bp:hover{border-color:var(--ink)}
.bp.main{background:var(--grad);color:#fff;border:0;box-shadow:0 10px 22px -12px rgba(67,97,255,.8)}
.bp.main:hover{filter:brightness(1.06);box-shadow:0 12px 26px -12px rgba(67,97,255,.95)}
.btn.white{background:#fff;color:var(--ink)}.btn.white:hover{background:#eef1ff}
.btn.ghost{border:1px solid rgba(255,255,255,.28);color:#fff}.btn.ghost:hover{background:rgba(255,255,255,.08)}
@media(max-width:700px){.band{flex-wrap:wrap;padding:24px 22px;gap:14px 16px}.band .bps{width:100%}}

/* footer */
footer{border-top:1px solid var(--line);padding:44px 0 56px;font-size:13.5px;color:var(--mute)}
footer .wrap{display:flex;gap:16px 24px;flex-wrap:wrap;align-items:center}
footer .fl{display:flex;align-items:center;gap:10px;color:var(--ink)}
footer .fl .ko{font-weight:800}footer .fl .en{font-family:var(--mono);font-weight:700}
footer nav{margin-left:auto;display:flex;gap:20px;flex-wrap:wrap}
footer nav a:hover{color:var(--ink)}
footer .biz{width:100%;font-size:12.5px}
@media(max-width:600px){footer .wrap{flex-direction:column;align-items:flex-start;gap:12px}footer nav{margin-left:0}}

/* reveal — 기본은 항상 보임. 화면 아래쪽 요소만(.pre) 스크롤 때 살짝 올라옴 */
.rev{transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.2,1)}
.rev.pre{opacity:0;transform:translateY(26px)}
.rev.pre.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rev,.rev.pre{opacity:1;transform:none;transition:none}*{scroll-behavior:auto!important}}
@media(max-width:600px){.wrap{padding:0 18px}.sec{padding:72px 0}}

/* hidden 속성은 항상 숨김(.btn 등 display 지정보다 우선) */
[hidden]{display:none!important}
@media(max-width:430px){.logo .dv,.logo .en{display:none}.nav nav{gap:14px}}
@media(max-width:375px){.nav nav{gap:10px;font-size:14px}.nbtn{padding:6px 10px}}
/* 기존 선생님께 구매처 한 번 묻기 */
.askbuy{margin-top:16px;padding:14px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;gap:6px}
.askbuy b{font-size:14px}.askbuy span{font-size:13px;color:var(--sub)}
.askbuy .bo{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.askbuy .bo button{font-size:12.5px;font-weight:700;padding:6px 10px;border-radius:999px;border:1px solid var(--line2);background:#fff}
.askbuy .bo button:hover{border-color:var(--brand);color:var(--brand)}
/* 휴대폰: 누르는 곳 넉넉하게(2026-10-08 진단 보완) — 자료실 단추·메뉴·맨 아래 링크 */
@media(max-width:700px){
  .pill{min-height:40px}
  .nav nav a{display:inline-flex;align-items:center;min-height:44px}
  footer nav a{display:inline-block;padding:8px 0}
}

@media(max-width:520px){.nbtn.tlog{display:none}}   /* 2026-10-08 선생님 영역 오픈: 휴대폰 메뉴 넘침 방지(인증은 자료실·홈 입구에서) */

html,body{overflow-x:clip}

/* 2026-10-09 사용성·속도 점검 반영 */
.ic-l{display:none;align-items:center;margin-right:3px}.ic-l svg{width:11px;height:11px;display:block}
#tz:not(.unlocked) .ic-l{display:inline-flex}#tz:not(.unlocked) .ic-d{display:none}
img[src*="/assets/covers/"]{aspect-ratio:360/509;height:auto}img[src*="/assets/covers/gw"]{aspect-ratio:520/358}
.pnum a.pl{color:inherit;display:block;border-radius:12px;transition:background .15s}.pnum a.pl:hover{background:var(--panel)}.pnum a.pl span{color:var(--brand)}
/* 2026-10-09 휴대폰·패드 점검 */
.pnum a.pl span{white-space:nowrap}
@media(max-width:420px){.pnum div{padding:4px 14px}}

/* ===== 2026-10-09 세련된 효과(움직임 줄이기 설정이면 모두 꺼짐) ===== */
/* 1 페이지 넘어갈 때 부드럽게(지원 브라우저만) */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.28s;animation-timing-function:cubic-bezier(.2,.8,.2,1)}
/* 2 카드가 차례로 */
.stg-i{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .7s cubic-bezier(.2,.8,.2,1)!important}
.stg-i.stg-on{opacity:1;transform:none}
/* 3 표지에 마우스를 대면 살짝 기울기 */
@media(hover:hover){
  .stp .cv{perspective:500px}.stp .cv img{transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s}
  .stp:hover .cv img{transform:rotateY(-14deg) rotateX(4deg) translateY(-3px);box-shadow:10px 14px 22px -12px rgba(12,16,32,.5)}
  .stp:hover .cv img+img{transform:rotateY(-14deg) rotateX(4deg) translateY(-6px)}
  .covs2{perspective:900px}.covs2 img.tilt{transition:transform .12s linear,box-shadow .3s}
}
/* 4 그림이 다 오면 스며들 듯 */
img.ld{opacity:0}img.fi{animation:fiIn .5s ease both}
@keyframes fiIn{from{opacity:0}to{opacity:1}}
/* 5 누를 때 살짝 눌리는 느낌 */
.btn:active,.go:active,.go1:active,.cb:active,.tbtn:active,.pill:active,.nbtn:active,.big:active,.tjump:active,.gacts a:active,.howto a:active{transform:scale(.97)!important;transition-duration:.08s}
a.ft:active,a.c3:active,.stp:active,.mix li a:active,.bq:active,.gr:active{transform:scale(.985)!important;transition-duration:.08s}
/* 6 '풀리는'에 빛이 천천히 */
.hero h1 .g{background:linear-gradient(110deg,var(--brand) 0%,var(--brand2) 34%,#e4dbff 45%,#fff 50%,#e4dbff 55%,var(--brand2) 66%,var(--brand) 100%);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;animation:shine 5s cubic-bezier(.45,0,.25,1) .8s infinite}
@keyframes shine{0%{background-position:100% 0}55%,100%{background-position:0 0}}
/* 7 첫 화면 배경에 아주 옅은 색이 천천히 */
.hero{position:relative;overflow:hidden;isolation:isolate}
.hero:before,.hero:after{content:"";position:absolute;z-index:-1;width:46vw;height:46vw;max-width:620px;max-height:620px;border-radius:50%;pointer-events:none;will-change:transform}
.hero:before{left:-8vw;top:-14vw;background:radial-gradient(circle,rgba(67,97,255,.26),rgba(67,97,255,0) 66%);animation:drift1 14s ease-in-out infinite alternate}
.hero:after{right:-10vw;top:-4vw;background:radial-gradient(circle,rgba(138,92,255,.24),rgba(138,92,255,0) 66%);animation:drift2 17s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(14vw,8vw) scale(1.2)}}
@keyframes drift2{to{transform:translate(-13vw,10vw) scale(1.15)}}
@media(prefers-reduced-motion:reduce){
  ::view-transition-old(root),::view-transition-new(root){animation:none}
  .stg-i{opacity:1;transform:none;transition:none!important}
  img.ld{opacity:1}img.fi,.hero h1 .g,.hero:before,.hero:after{animation:none}
  .stp:hover .cv img,.stp:hover .cv img+img{transform:none}
}

/* ===== 2026-10-09 휴대폰·패드 누르는 곳 크기(손가락 기준 40~44px) — 터치 기기에서만 ===== */
@media (pointer:coarse){
  .cb,.tbtn,.mt .cb,.pill,.ltab td .pill{min-height:40px;padding-top:9px;padding-bottom:9px;display:inline-flex;align-items:center}
  .nbtn{min-height:40px;display:inline-flex;align-items:center}
  .logo{padding:8px 4px;margin:-8px -4px}
  .btn,.btn.sm,.btn.line,.tab.ptab,.rvf button,.rvf .on,.more .mbtn a{min-height:44px}
  .lbtn,.spdb{min-height:40px;min-width:40px}
  .un button,.dk-a{min-width:40px;min-height:40px}
  .go.lk2{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:12px;background:var(--soft)}
  .faq .a .go,.top .go{display:inline-flex;align-items:center;min-height:40px}
  .howto a,.tjump{min-height:44px;display:inline-flex;align-items:center}
  /* 글자 링크는 둘레를 넓혀 누르기 쉽게(모양은 그대로) */
  .crumb a,figcaption a,.who a,.first a,.mixp a,.mmail a,.lmore a,.bc a,.next-err a{padding:12px 0;margin:-12px 0}
  .mt tbody th a{display:inline-flex;align-items:center;min-height:44px}
  .pick a,.top .bk{min-height:40px;display:inline-flex;align-items:center}
  .rvpg .store.ext{padding:12px 0;margin:-12px 0}
  header nav a:not(.nbtn):not(.logo){padding-top:11px!important;padding-bottom:11px!important}
  .mkd>summary,.relock{min-height:40px;display:flex;align-items:center}
  .lhead .bk,p.small .talk,#news a{padding-top:12px!important;padding-bottom:12px!important;margin-top:-12px;margin-bottom:-12px}
}

/* 2026-10-10 휴대폰 바닥글 줄 맞춤 */
@media(max-width:600px){footer nav{display:grid!important;grid-template-columns:repeat(3,max-content);gap:0 24px;justify-content:start}
  footer nav a,footer nav a.ext{display:block;padding:9px 0!important;margin:0!important;line-height:1.3}}
/* 2026-10-10 인증한 기기에서는 인증 안내 문구 숨김 */
.authed .na{display:none!important}
.authed .trow .lk2,.authed .lk2{display:none!important}
/* 2026-10-11 전수점검: 바닥글 사업자 정보 한 덩어리씩 · 패드 바닥글 한 줄 */
.biz .nw{white-space:nowrap}
@media(min-width:601px) and (max-width:900px){footer nav{gap:16px}}