:root{--ink:#302b34;--plum:#493753;--muted:#706875;--cream:#f7f5f0;--line:#ded8df;--purple:#e9e1ee;--lime:#dee8a8;--white:#fff;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--cream);color:var(--ink);font-family:"Pretendard","Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;line-height:1.75;word-break:keep-all}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #8b58ae;outline-offset:5px}.wrap{width:min(var(--max),calc(100% - 64px));margin:auto}.skip{position:fixed;top:-100px;left:20px;z-index:100;background:white;padding:12px}.skip:focus{top:12px}header{background:rgba(247,245,240,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{display:flex;align-items:center;justify-content:space-between;min-height:86px;gap:25px}.brand{display:flex;gap:12px;align-items:center}.mark{font-size:25px;display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--plum);border-radius:50%;color:var(--plum)}.brand strong{font-size:22px;letter-spacing:-1px}.brand small{font-size:11px;letter-spacing:1.5px;display:block;line-height:1.2;color:var(--muted)}nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:650}.nav-cta{border:1px solid var(--plum);border-radius:30px;padding:9px 20px}.menu{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:7px 12px}.eyebrow{text-transform:uppercase;font-size:12px;letter-spacing:2px;font-weight:700;color:var(--plum);display:flex;align-items:center;gap:12px}.eyebrow:before{content:"";width:23px;height:1px;background:currentColor}.hero{padding:88px 0 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small{display:block;font-size:12px;color:#d7c9df;font-weight:400}.principles{display:flex;gap:25px;margin-top:35px;padding-top:24px;border-top:1px solid #776680}.principles span{font-size:12px;color:#dcd0e4}.principles strong{display:block;color:var(--lime);font-size:16px;margin-bottom:5px}.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;counter-reset:step}.step{border-top:1px solid #9a87a3;padding-top:20px}.step:before{counter-increment:step;content:"0" counter(step);font:28px Georgia,serif;color:#8e7899}.step h3{font-size:20px;margin:17px 0 10px}.step p{font-size:14px;color:var(--muted);margin:0}.notice{border-left:3px solid #b3bd80;background:#edf0df;padding:18px 23px;font-size:13px;margin-top:35px;color:#4a5139}.learning{padding-top:0}.class-panel{background:var(--purple);border-radius:16px;padding:48px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}.class-panel h2{margin-top:10px}.class-panel p{font-size:14px;color:#65566e}.class-side{border-left:1px solid #c9bcd0;padding-left:38px}.class-side strong{font-family:Georgia,serif;font-size:29px;display:block;font-weight:400}.class-side .btn{margin-top:18px}.faq{padding-top:0}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.faq details{border-bottom:1px solid var(--line)}.faq details:first-child{border-top:1px solid var(--line)}summary{cursor:pointer;font-size:16px;font-weight:650;padding:21px 28px 21px 0;list-style:none;position:relative}summary::-webkit-details-marker{display:none}summary:after{content:"+";position:absolute;right:4px;font-weight:400;font-size:22px;top:16px}details[open] summary:after{content:"−"}details p{font-size:14px;color:var(--muted);margin:0 0 22px}.contact{padding:65px 0;background:#ebe9e2}.contact-inner{display:flex;justify-content:space-between;gap:40px;align-items:center}.contact h2{margin:0}.contact p{color:var(--muted);font-size:14px;margin-bottom:0}.contact .actions{margin:0}.footer{padding:32px 0 25px}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:30px}.footer strong{font-size:17px}.footer p{font-size:11px;color:var(--muted);margin:8px 0}.footer-links{display:flex;gap:20px;font-size:12px}.legal{border-top:1px solid var(--line);padding-top:17px;margin-top:22px!important;line-height:1.8}.back-top{font-size:12px;color:var(--plum)}@media(min-width:1500px){.hero{padding-top:110px;padding-bottom:90px}}@media(max-width:900px){.wrap{width:calc(100% - 40px)}nav{gap:17px;font-size:12px}.hero-grid{gap:30px}h1{font-size:43px}.visual{min-height:420px;padding:39px 20px 25px}.visual-tags{gap:4px}.visual-tags span{padding:3px 7px}.hero{padding-top:60px}.about-grid{gap:45px}.service{padding:25px;gap:15px}.intro-strip .audience{gap:14px}.faq-grid{gap:35px}.class-panel{padding:35px}.contact-inner{align-items:start;flex-direction:column}}@media(max-width:640px){.wrap{width:calc(100% - 36px)}.nav{min-height:73px}.brand strong{font-size:20px}.brand small{font-size:9px}.mark{width:35px;height:35px;font-size:22px}.menu{display:block;font-size:12px}nav{display:none;position:absolute;left:0;right:0;top:73px;padding:20px 24px;background:var(--cream);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;font-size:14px}nav.open{display:flex}nav a{padding:12px}.nav-cta{margin-top:8px;text-align:center}.hero{padding:45px 0 35px}.hero-grid{grid-template-columns:1fr;gap:36px}h1{font-size:43px;letter-spacing:-2.3px;margin:20px 0}.lead{font-size:15px}.visual{min-height:355px;padding:25px 20px}.orbit{width:160px;height:160px;margin:16px auto 20px}.orbit:before,.orbit:after{width:170px;height:80px}.orbit .star{font-size:90px}.visual-label{font-size:22px}.visual-tags{margin-top:14px}.intro-strip{padding:22px 0;gap:18px;flex-wrap:wrap}.intro-strip strong{font-size:36px}.intro-strip p{font-size:12px}.intro-strip .audience{width:100%;margin:0;border-top:1px solid var(--line);padding-top:15px;gap:22px;font-size:12px}section{padding:60px 0}.section-head{display:block;margin-bottom:26px}.section-head>p{margin-top:18px}.services{grid-template-columns:1fr;gap:12px}.service{padding:25px 22px}.service h3{font-size:20px}.about-grid{grid-template-columns:1fr;gap:28px}.about h2{font-size:33px}.about p{font-size:14px}.principles{gap:20px}.principles strong{font-size:14px}.process-grid{grid-template-columns:1fr;gap:27px}.step h3{margin-top:9px}.class-panel{grid-template-columns:1fr;padding:30px 24px;gap:22px}.class-side{border-left:0;border-top:1px solid #c9bcd0;padding:22px 0 0}.faq-grid{grid-template-columns:1fr;gap:28px}.contact{padding:45px 0}.contact .actions{width:100%}.contact .btn{width:100%}.footer-top{align-items:start;flex-direction:column;gap:14px}.actions .btn{padding:12px 17px;font-size:13px;gap:15px}summary{font-size:14px}.eyebrow{font-size:11px}h2{font-size:29px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{header{position:static}nav,.menu,.actions,.back-top{display:none!important}section{padding:30px 0}.wrap{width:100%}.visual{min-height:300px}body{background:white}.about{background:#f1edf4;color:#302b34}.about p,.about .eyebrow,.about .signature,.principles span,.principles strong{color:#302b34}details p{display:block!important}}

.channel-card.kakao .channel-icon{background:#fee500;color:#3b2522}
/* Channel hub: verified links only; unverified channels are not clickable. */
.channels{padding-top:0}.channel-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.channel-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);border-radius:14px;background:#fff;padding:27px 23px;min-height:270px;position:relative}.channel-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;font-size:19px;font-weight:750;margin-bottom:24px}.channel-card.youtube .channel-icon{background:#fff0ee;color:#bb342d}.channel-card.blog .channel-icon{background:#edf4e7;color:#477239}.channel-card.instagram .channel-icon{background:#f4e9f3;color:#8b477c}.channel-card.liveklass{background:var(--plum);color:#fff;border-color:var(--plum)}.channel-card.liveklass .channel-icon{background:#665271;color:var(--lime)}.channel-card h3{font-size:21px;letter-spacing:-.6px;margin:0 0 9px;line-height:1.4}.channel-card h3 small{font-size:11px;font-weight:500;display:block;letter-spacing:.7px;margin-top:4px;color:var(--muted)}.channel-card p{font-size:13px;color:var(--muted);margin:0 0 22px}.channel-card.liveklass p,.channel-card.liveklass h3 small{color:#dfd4e5}.channel-bottom{margin-top:auto;padding-top:17px;border-top:1px solid var(--line);font-size:12px;display:flex;align-items:center;justify-content:space-between;gap:10px}.channel-card.liveklass .channel-bottom{border-color:#796484;font-weight:650}.channel-card a.channel-bottom:hover{text-decoration:underline}.channel-status{color:#827985;font-size:11px}.channel-note{font-size:12px;color:var(--muted);margin:18px 0 0}.footer-links{flex-wrap:wrap}.footer-channels{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;padding-top:19px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.footer-channels a:hover{text-decoration:underline}.hero-channel-link{display:inline-block;font-size:12px;margin-top:17px;color:var(--plum);text-decoration:underline;text-underline-offset:4px}@media(max-width:1000px){.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}nav{gap:16px}}@media(max-width:640px){.channel-grid{gap:12px}.channel-card{padding:22px 18px;min-height:260px}.channel-icon{margin-bottom:20px}.channel-card h3{font-size:19px}.channel-card p{font-size:12px}.channel-bottom{font-size:11px}}@media(max-width:360px){.channel-grid{grid-template-columns:1fr}.channel-card{min-height:235px}}

.local-style-0{text-decoration:underline}
.local-style-1{margin-bottom:12px}
/* Retained profile, credentials and books in the updated design. */
.profile-panel{margin:0;border-radius:150px 150px 18px 18px;overflow:hidden;background:#e9e3ec}.profile-panel img{display:block;width:100%;height:470px;object-fit:contain;object-position:center bottom}.profile-panel figcaption{text-align:center;padding:20px;font-size:20px;font-weight:650}.profile-panel figcaption span{display:block;font-size:12px;font-weight:400;color:var(--muted)}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}.section-heading>p{color:var(--muted);font-size:14px}.tag,.status{display:inline-block;font-size:12px;border:1px solid var(--line);border-radius:20px;padding:4px 12px;color:var(--plum)}.featured-activity{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;padding:32px;background:var(--purple);border-radius:14px}.featured-activity h3{font-size:26px;margin:16px 0}.activity-aside{border-left:1px solid #c9bcd0;padding-left:28px}.support-heading,.subsection{margin-top:48px}.cards{display:grid;gap:18px}.cards.three{grid-template-columns:repeat(3,1fr)}.cards.two{grid-template-columns:repeat(2,1fr)}.card,.project-card{padding:26px;border:1px solid var(--line);border-radius:12px;background:#fff}.card h4,.project-card h4{font-size:21px;margin:16px 0}.card p,.card li,.project-card p{font-size:14px;color:var(--muted)}.card ul{padding-left:18px}.card-number{color:var(--plum)}.small,.muted,.project-card small,.activity-aside small{font-size:12px;color:var(--muted)}.timeline article{border-top:1px solid var(--line);display:grid;grid-template-columns:140px 1fr;gap:20px;padding:26px 0}.timeline h4{font-size:21px;margin:0}.timeline time{color:var(--plum)}.source{display:inline-block;text-decoration:underline;text-underline-offset:4px;font-size:13px;margin:12px 16px 0 0}.future{margin-top:36px;border-left:3px solid #b3bd80;padding:24px;background:#edf0df}.future h3{font-size:24px}.future p,.future li{font-size:14px}.book-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.book{border:1px solid var(--line);border-radius:12px;background:white;overflow:hidden}.book-cover-link{display:block;background:#eee9f0;padding:24px}.book-cover{display:block;width:100%;height:290px;object-fit:contain}.book-details{padding:24px}.book-details h3{font-size:22px;line-height:1.5}.book-details p,.book-details dl{font-size:14px}.book-details dl>div{display:flex;gap:12px;margin:6px 0}.book-details dt{color:var(--muted);min-width:52px}.book-details dd{margin:0;overflow-wrap:anywhere}.book-exclusion,.publication-note{font-size:13px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.contact .actions{max-width:450px}.contact .btn{width:100%}nav{gap:20px}.footer-links,.footer-channels{flex-wrap:wrap}
@media(max-width:900px){nav{gap:12px}.cards.three{grid-template-columns:1fr}.book-grid{grid-template-columns:1fr}.book{display:grid;grid-template-columns:240px 1fr}.book-cover{height:300px}.profile-panel img{height:400px}}
@media(max-width:640px){.profile-panel{border-radius:100px 100px 16px 16px}.profile-panel img{height:auto;max-height:420px}.profile-panel figcaption{font-size:18px}.section-heading{display:block}.featured-activity,.cards.two{grid-template-columns:1fr}.activity-aside{border-left:0;border-top:1px solid #c9bcd0;padding:18px 0 0}.timeline article{grid-template-columns:1fr;gap:8px}.book{display:block}.book-cover{height:320px}.featured-activity,.card,.project-card{padding:24px}.principles{flex-wrap:wrap}.hero-channel-link{overflow-wrap:anywhere}}

.book-purchase-links{display:flex;flex-direction:column;gap:10px;margin-top:20px}.book-purchase-links .btn{justify-content:center;text-align:center;padding:12px;font-size:13px}

.experience-intro{padding:24px 30px;background:var(--purple);border-radius:12px}.experience-intro p{margin:0;color:var(--plum)}.cards.three{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:640px){.cards.three{grid-template-columns:1fr}.experience-intro{padding:22px}}

/* Consistent book purchase actions. */
.book{display:flex;flex-direction:column}.book-details{display:flex;flex-direction:column;flex:1}.book-purchase-links{margin-top:auto;padding-top:20px}.book-purchase-links .btn{width:100%;min-height:48px;box-sizing:border-box}

/* Approved career and project detail refinements — 2026-11-02. */
.teaching-history,.development-directions{margin:0;padding-left:20px}
.teaching-history li,.development-directions li{font-size:14px;font-weight:400;color:var(--muted);margin:8px 0}
.project-subtitle{display:block;font-size:16px;font-weight:500;line-height:1.7;margin-top:8px}
.project-card .development-heading{font-weight:650;color:var(--ink);margin-bottom:8px}
.project-card small{display:block;margin-top:18px}
.history-date small{display:block;font-size:12px;color:var(--muted)}
.timeline .source-context{font-size:13px;color:var(--muted);margin:10px 0 0}
.timeline article>div{min-width:0}
.timeline .source{overflow-wrap:anywhere}