:root{
  --navy:#262626; --navy-2:#333333; --line:#4A4A4A; --cream:#F5F5F5; --sand:#DDDDDD;
  --gold:#BFBFBF; --gold-ink:#6B6B6B; --ink:#262626; --muted:#595959; --rule:#CDCDCD;
  --kakao:#FEE500;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:calc(72px + env(safe-area-inset-top,0px))}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--cream);color:var(--ink);
  font-family:'Gothic A1','Apple SD Gothic Neo','Malgun Gothic',sans-serif;line-height:1.65;
  -webkit-font-smoothing:antialiased;padding-bottom:calc(88px + env(safe-area-inset-bottom,0px))}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.display{font-family:'Black Han Sans','Gothic A1',sans-serif;font-weight:400;letter-spacing:-.01em}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:rgba(38,38,38,.97);color:var(--cream);backdrop-filter:blur(8px)}
.nav .inner{max-width:1040px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav img{width:104px}
.nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0;flex-wrap:wrap;justify-content:flex-end}
.nav ul a{display:block;padding:8px 12px;border-radius:10px;text-decoration:none;font-size:15px;font-weight:700;color:#E6E6E6}
.nav ul a:hover{background:var(--navy-2);color:#fff}
.nav ul a[aria-current="page"]{background:var(--gold);color:var(--navy)}
@media (max-width:700px){
  .nav .inner{flex-direction:column;align-items:stretch;gap:10px;padding:10px 16px}
  .nav img{width:92px;margin:0 auto}
  .nav ul{justify-content:center;gap:2px}
  .nav ul a{font-size:13.5px;padding:7px 9px}
}

/* page head */
.phead{background:var(--navy);color:var(--cream);padding:64px 0 56px}
.phead .eyebrow{font-size:13px;letter-spacing:.24em;color:var(--gold);font-weight:700;margin:0 0 10px}
.phead h1{margin:0;font-size:clamp(36px,8vw,58px);line-height:1.2}
.phead p{margin:16px 0 0;font-size:18px;color:#E6E6E6;max-width:46em}

/* hero (home) */
.hero{background:var(--navy);color:var(--cream);padding:72px 0 88px;text-align:center}
.hero .logo{width:min(260px,64vw);margin:0 auto 28px}
.hero h1{margin:0;font-size:clamp(34px,7.6vw,60px);line-height:1.25}
.hero h1.oneline{white-space:nowrap;font-size:clamp(19px,5.1vw,54px)}
.hero p{margin:18px auto 30px;font-size:18px;color:#E6E6E6;max-width:32em}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:54px;padding:0 24px;border-radius:14px;font-weight:800;font-size:16.5px;text-decoration:none;border:0;cursor:pointer;font-family:inherit}
.btn-kakao{background:var(--kakao);color:#191600}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-line{background:transparent;color:var(--cream);border:1.5px solid #6B6B6B}
.btn-dark{background:var(--navy);color:var(--cream)}
.btn-light{background:var(--cream);color:var(--ink)}
.btn:hover{filter:brightness(.96)}

/* sections */
section.block{padding:72px 0}
section.tint{background:var(--sand)}
section.dark{background:var(--navy);color:var(--cream)}
.eyebrow{font-size:13px;letter-spacing:.22em;font-weight:800;color:var(--gold-ink);margin:0 0 10px}
.dark .eyebrow{color:var(--gold)}
h2{font-family:'Black Han Sans','Gothic A1',sans-serif;font-weight:400;font-size:clamp(28px,5.4vw,40px);line-height:1.3;margin:0 0 14px}
h3{font-size:21px;margin:0 0 8px}
.lede{font-size:17.5px;color:var(--muted);margin:0 0 32px;max-width:48em}
.dark .lede{color:#D0D0D0}

/* grid + cards */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:820px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
.tgrid{grid-template-columns:repeat(4,minmax(0,1fr))!important}}
@media (max-width:520px){.g2,.g3{grid-template-columns:1fr}}
.card{background:#fff;border-radius:20px;padding:28px 24px;display:flex;flex-direction:column;gap:8px;text-decoration:none}
.card .tag{font-size:12.5px;letter-spacing:.14em;font-weight:800;color:var(--gold-ink)}
.card p{margin:0;color:var(--muted);font-size:16px}
.card .more{margin-top:auto;padding-top:14px;font-weight:800;font-size:15px;color:var(--gold-ink)}
a.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(38,38,38,.12)}
a.card{transition:transform .15s ease, box-shadow .15s ease}
.outline{background:transparent;border:1.5px solid var(--navy)}
.dark .card{background:var(--navy-2);color:var(--cream)}
.dark .card p{color:#D0D0D0}
.dark .card .tag,.dark .card .more{color:var(--gold)}

/* teacher */
.tcard{background:#fff;border-radius:18px;overflow:hidden;text-decoration:none;display:block}
.tcard .ph{aspect-ratio:3/4;background:linear-gradient(160deg,#DCDCDC,#C6C6C6);display:flex;align-items:center;justify-content:center;color:#8A8A8A;font-size:13px}
.tcard .body{padding:16px 16px 20px}
.tcard .part{font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--gold-ink)}
.tcard .name{font-size:19px;font-weight:800;margin-top:2px}
.tcard:hover{box-shadow:0 10px 24px rgba(38,38,38,.12)}

/* misc */
.notice{border-left:6px solid var(--gold);background:#fff;border-radius:16px;padding:24px;margin-top:24px}
.notice p{margin:0;color:var(--muted)}
.list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.list li{display:flex;gap:10px;align-items:flex-start;font-size:17px}
.list li::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--gold-ink);margin-top:10px;flex:none}
.dark .list li::before{background:var(--gold)}
.pricebox{background:#fff;border-radius:20px;padding:28px 24px}
.pricebox .amt{font-family:'Black Han Sans','Gothic A1',sans-serif;font-size:36px;margin:6px 0 0}
.info{display:grid;grid-template-columns:auto 1fr;gap:12px 20px;font-size:17px;margin:0}
.info dt{color:var(--gold-ink);font-weight:800}
.dark .info dt{color:var(--gold)}
.info dd{margin:0}
.ph-wide{aspect-ratio:16/9;border-radius:18px;background:linear-gradient(160deg,#DCDCDC,#C6C6C6);display:flex;align-items:center;justify-content:center;color:#8A8A8A;font-size:14px}

/* footer */
footer{background:var(--navy);color:var(--cream);padding:56px 0 64px}
footer .logo{width:200px;margin:0 auto 22px}
footer hr{border:0;height:1px;background:var(--line);margin:22px 0}
footer .info{justify-content:center}
footer a{text-decoration:underline;text-underline-offset:3px}
footer .copy{margin:26px 0 0;font-size:13.5px;color:#9A9A9A;text-align:center}

/* bottom bar */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:40;background:rgba(38,38,38,.96);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;box-shadow:0 -6px 24px rgba(0,0,0,.18)}
.bar .btn{width:100%;font-size:16px;padding:0 10px}
@media (min-width:760px){.bar{left:50%;right:auto;transform:translateX(-50%);width:560px;bottom:16px;border-radius:20px;padding:12px}}

/* v2 additions */
.tcard .ph{aspect-ratio:auto;background:none;display:block;padding:0}
.tcard img{width:100%;aspect-ratio:53/100;object-fit:cover;object-position:center 22%}
.tgrid{grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.parts-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 30px;padding:0;list-style:none}
.parts-nav button{font-family:inherit;background:transparent;cursor:pointer;display:block;padding:9px 16px;border-radius:999px;border:1.5px solid var(--navy);font-weight:700;font-size:15px;color:var(--ink)}
.parts-nav button:hover{background:var(--navy);color:var(--cream)}
.parts-nav button[aria-pressed="true"]{background:var(--navy);color:var(--cream)}
.tstrip{display:grid;grid-auto-flow:column;grid-auto-columns:148px;gap:12px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:8px;scrollbar-width:thin}
.tstrip .tcard{scroll-snap-align:start}
.swipe-hint{margin:10px 0 0;font-size:14px;color:var(--muted)}
.parts-nav a{display:block;padding:9px 16px;border-radius:999px;border:1.5px solid var(--navy);text-decoration:none;font-weight:700;font-size:15px}
.parts-nav a:hover{background:var(--navy);color:var(--cream)}
.part-head{display:flex;align-items:baseline;gap:12px;margin:44px 0 16px}
.part-head h3{font-family:'Black Han Sans','Gothic A1',sans-serif;font-weight:400;font-size:26px;margin:0}
.part-head span{font-size:13px;letter-spacing:.16em;color:var(--gold-ink);font-weight:800}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chips span{font-size:12px;font-weight:700;background:var(--sand);color:var(--gold-ink);padding:4px 10px;border-radius:999px}
.detail{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:780px){.detail{grid-template-columns:1fr;gap:24px}}
.detail img.portrait{border-radius:18px;width:100%}
.career{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:9px}
.career li{display:flex;gap:10px;font-size:16.5px;color:var(--muted)}
.career li::before{content:"·";color:var(--gold-ink);font-weight:900}
.pagestack{display:grid;gap:0;max-width:860px;margin:0 auto;border-radius:20px;overflow:hidden;background:#fff}
.pagestack img{width:100%}
.qa{border-bottom:1px solid var(--rule)}
.qa summary{cursor:pointer;padding:22px 42px 22px 4px;font-size:18px;font-weight:800;list-style:none;position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:8px;top:19px;font-size:24px;color:var(--gold-ink)}
.qa[open] summary::after{content:"−"}
.qa .a{padding:0 4px 24px;color:var(--muted);font-size:16.5px}
.storycard{background:#fff;border-radius:18px;padding:22px 22px 24px;display:flex;flex-direction:column;gap:6px;text-decoration:none}
.storycard .p{font-size:12.5px;font-weight:800;letter-spacing:.1em;color:var(--gold-ink)}
.storycard h3{font-size:18px;margin:0}
.storycard p{margin:0;color:var(--muted);font-size:15.5px}
.storycard .go{margin-top:8px;font-weight:800;font-size:14.5px;color:var(--gold-ink)}
.storycard:hover{box-shadow:0 10px 24px rgba(38,38,38,.12)}
.backlink{display:inline-block;margin-bottom:20px;font-weight:700;text-decoration:none;color:var(--gold-ink)}

/* ===== 모바일 크기 정리 ===== */
@media (max-width:640px){
  body{font-size:15.5px;padding-bottom:calc(80px + env(safe-area-inset-bottom,0px))}
  .wrap{padding:0 18px}
  .nav .inner{padding:9px 14px;gap:8px}
  .nav img{width:78px}
  .nav ul{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:2px}
  .nav ul::-webkit-scrollbar{display:none}
  .nav ul li{flex:none}
  .nav ul a{font-size:13px;padding:6px 10px;border-radius:8px;white-space:nowrap}
  .tcard img{aspect-ratio:3/4;object-position:center 20%}
  .tgrid{grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:7px}
  .tgrid .tcard{border-radius:10px}
  .tgrid .tcard .body{padding:7px 6px 9px}
  .tgrid .tcard .part{font-size:8.5px;letter-spacing:.02em;line-height:1.3;color:var(--gold-ink);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .tgrid .tcard .name{font-size:12.5px;letter-spacing:-.02em;margin-top:2px}
  .hero{padding:44px 0 52px}
  .hero .logo{width:min(180px,52vw);margin-bottom:20px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero h1.oneline{font-size:clamp(18px,5.1vw,30px)}
  .hero p{font-size:15.5px;margin:14px auto 22px}
  .phead{padding:38px 0 34px}
  .phead h1{font-size:clamp(26px,7.4vw,34px)}
  .phead p{font-size:15.5px;margin-top:10px}
  .phead .eyebrow{font-size:11.5px;margin-bottom:8px}
  section.block{padding:44px 0}
  h2{font-size:clamp(22px,5.6vw,28px);margin-bottom:10px}
  h3{font-size:18px}
  .eyebrow{font-size:11.5px;margin-bottom:8px}
  .lede{font-size:15.5px;margin-bottom:22px}
  .grid{gap:10px}
  .card{padding:18px 16px;border-radius:16px;gap:6px}
  .card p{font-size:14.5px}
  .card .more{font-size:13.5px;padding-top:10px}
  .btn{min-height:48px;font-size:15px;padding:0 18px;border-radius:12px}
  .bar{padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));gap:8px}
  .bar .btn{min-height:46px;font-size:14.5px}
  .parts-nav{gap:6px;margin-bottom:20px}
  .parts-nav a,.parts-nav button{padding:7px 12px;font-size:13.5px}
  .tstrip{grid-auto-columns:116px;gap:8px}
  .tstrip .tcard .body{padding:7px 6px 9px}
  .tstrip .tcard .part{font-size:8.5px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .tstrip .tcard .name{font-size:12.5px}
  .swipe-hint{font-size:13px}
  .part-head{margin:28px 0 10px}
  .part-head h3{font-size:20px}
  .part-head span{font-size:11.5px}
  .tcard{border-radius:14px}
  .tcard .body{padding:11px 11px 14px}
  .tcard .part{font-size:10.5px;letter-spacing:.06em}
  .tcard .name{font-size:15px}
  .list li{font-size:15.5px}
  .list li::before{width:7px;height:7px;margin-top:9px}
  .career li{font-size:15px}
  .pricebox{padding:20px 18px;border-radius:16px}
  .pricebox .amt{font-size:28px}
  .info{font-size:15.5px;gap:8px 14px}
  .notice{padding:18px 16px;border-radius:14px;margin-top:18px}
  .notice p{font-size:14.5px}
  .qa summary{font-size:16px;padding:17px 34px 17px 2px}
  .qa summary::after{top:14px;font-size:21px}
  .qa .a{font-size:15px;padding-bottom:18px}
  .storycard{padding:17px 16px 18px;border-radius:14px}
  .storycard h3{font-size:16px}
  .storycard p{font-size:14.5px}
  .chips span{font-size:11px}
  footer{padding:40px 0 46px}
  footer .logo{width:150px;margin-bottom:16px}
  footer .info{font-size:15px}
  footer .copy{font-size:12.5px}
  .detail{gap:18px}
  .detail img.portrait{max-height:360px;object-fit:cover;object-position:center 18%;border-radius:14px}
  .pagestack{border-radius:14px}
}
@media (max-width:520px){
  .g2,.g3{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
}