:root{--bg:#f6f8f5;--card:#fff;--ink:#1f2a27;--mute:#566660;--forest:#25483f;--forest2:#2f5d50;--sage:#e3ece6;--sage2:#cfdcd3;--clay:#a85f38;--clayd:#8a4d2a;--line:#d9e2dc;--r:16px;--sh:0 6px 24px rgba(37,72,63,.08)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Noto Sans KR',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px;word-break:keep-all;overflow-wrap:break-word;overflow-x:hidden}
img,picture{display:block;max-width:100%;height:auto}
a{color:var(--forest2)}
h1,h2,h3{font-family:'Noto Serif KR','Noto Sans KR',serif;line-height:1.35;color:var(--forest);text-wrap:balance}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--forest);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:8px;top:8px}
/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(246,248,245,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--forest)}
.brand b{display:block;font-family:'Noto Serif KR',serif;font-size:18px;line-height:1.2}
.brand small{display:block;font-size:12px;color:var(--mute);line-height:1.2}
.nav{display:flex;align-items:center;gap:4px}
.nav a:not(.btn){color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:10px;font-size:15px;font-weight:500;white-space:nowrap}
.nav a:not(.btn):hover,.nav a[aria-current]{background:var(--sage);color:var(--forest)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer;padding:0 11px}
.burger i{display:block;height:2px;background:var(--forest);margin:5px 0;border-radius:2px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;padding:13px 26px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;line-height:1.3;text-align:center}
.btn.sm{padding:8px 18px;font-size:14px}
.btn.primary{background:var(--forest);color:#fff}.btn.primary:hover{background:var(--forest2)}
.btn.clay{background:var(--clay);color:#fff}.btn.clay:hover{background:#8a4d2a}
.btn.ghost{background:transparent;color:var(--forest);border-color:var(--forest)}.btn.ghost:hover{background:var(--sage)}
.btn.light{background:#fff;color:var(--forest)}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
/* hero */
.hero{background:linear-gradient(135deg,var(--sage) 0%,var(--bg) 70%);padding:56px 0 64px;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--clayd);background:#fff;border:1px solid var(--sage2);border-radius:999px;padding:5px 14px;margin-bottom:16px}
.hero h1{font-size:clamp(32px,5.4vw,54px);letter-spacing:-.02em;margin-bottom:18px}
.hero .lead{font-size:clamp(16px,2vw,18px);color:#33423d;max-width:62ch}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin-top:24px}
.chips li{font-size:14px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;color:var(--forest)}
.hero-art{position:relative;background:var(--sage2);border-radius:28px;min-height:360px;display:flex;align-items:center;justify-content:center;padding:28px}
.hero-art .book{width:46%;max-width:240px;box-shadow:0 14px 34px rgba(20,40,34,.28);border-radius:4px;overflow:hidden;background:#fff}
.hero-art .b1{transform:rotate(-4deg) translateX(10px);z-index:1}
.hero-art .b2{transform:rotate(3deg) translate(-10px,26px)}
.badge{position:absolute;left:18px;top:18px;background:var(--forest);color:#fff;border-radius:14px;padding:9px 14px;font-size:13px;line-height:1.4;z-index:2}
.badge b{color:#f2c9ad}
.hero-art.plain{background:none;padding:0;min-height:0}
.hero.topic{padding:28px 0 52px}
.hero.topic .hero-in{margin-top:8px}
.hero.topic .hero-txt{max-width:760px}
.facts{display:grid;gap:12px}
.facts div{background:#fff;border:1px solid var(--line);border-left:5px solid var(--clay);border-radius:12px;padding:14px 18px;box-shadow:var(--sh)}
.facts b{display:block;font-family:'Noto Serif KR',serif;font-size:26px;color:var(--forest);line-height:1.3}
.facts span{font-size:14px;color:var(--mute)}
.crumb ol{display:flex;gap:8px;list-style:none;font-size:14px;color:var(--mute);margin-bottom:10px;flex-wrap:wrap}
.crumb li+li::before{content:"›";margin-right:8px}
.crumb a{color:var(--mute)}
/* sections */
.sec{padding:64px 0}.sec.alt{background:#fff;border-block:1px solid var(--line)}.sec.tight{padding:36px 0}
.sec h2{font-size:clamp(23px,3.2vw,32px);margin-bottom:10px;letter-spacing:-.01em}
.sec .lead{color:var(--mute);margin-bottom:28px;max-width:70ch}
.sec h2+*:not(.lead){margin-top:24px}
.more-link{margin-top:22px!important}
.note{font-size:14px;color:var(--mute);margin-top:12px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;text-align:center;box-shadow:var(--sh)}
.stat b{display:block;font-family:'Noto Serif KR',serif;font-size:clamp(22px,3vw,30px);color:var(--forest);line-height:1.3}
.stat span{font-size:14px;color:var(--mute)}
/* cards */
.cards{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.cards.cols-2{grid-template-columns:repeat(2,1fr)}.cards.cols-4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;display:block;background:#fff;border:1px solid var(--line);border-top:4px solid var(--forest2);border-radius:var(--r);padding:22px 22px 20px;text-decoration:none;color:inherit;box-shadow:var(--sh);transition:transform .15s,border-color .15s}
a.card:hover{transform:translateY(-3px);border-top-color:var(--clay)}
.alt .card{background:var(--bg)}
.card-no{font-family:'Noto Serif KR',serif;font-size:13px;font-weight:700;color:var(--clayd)}
.card h3{font-size:18px;margin:4px 0 8px}
.card p{font-size:15px;color:#3f4e48}
.more{display:inline-block;margin-top:10px;font-size:14.5px;text-decoration:underline;text-underline-offset:3px;font-weight:700;color:var(--clayd)}
/* table */
.tbl-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl caption{position:absolute;left:-9999px}
.tbl th,.tbl td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl thead th{background:var(--forest);color:#fff;font-weight:700;font-size:14px}
.tbl tbody th{background:var(--sage);color:var(--forest);font-weight:700;width:22%}
.tbl tbody tr:last-child>*{border-bottom:0}
/* flow & steps */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.node{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh)}
.node:not(:last-child)::after{content:"→";position:absolute;right:-22px;top:50%;transform:translateY(-50%);color:var(--clay);font-size:22px;font-weight:700}
.node small{display:block;font-size:12px;font-weight:700;color:var(--clayd);letter-spacing:.06em}
.node b{display:block;font-family:'Noto Serif KR',serif;color:var(--forest);font-size:17px;margin:2px 0 6px}
.node span{font-size:14px;color:#3f4e48;display:block}
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px}
.steps li{counter-increment:s;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:52px 18px 18px;box-shadow:var(--sh)}
.alt .steps li{background:var(--bg)}
.steps li::before{content:counter(s);position:absolute;left:18px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--forest);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.steps b{display:block;color:var(--forest);font-size:16px;margin-bottom:4px}
.steps span{font-size:14px;color:#3f4e48;display:block}
.check{list-style:none;display:grid;gap:10px}
.check li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px 12px 46px;position:relative}
.alt .check li{background:var(--bg)}
.check li::before{content:"✓";position:absolute;left:16px;top:11px;width:22px;height:22px;border-radius:50%;background:var(--sage);color:var(--forest);display:grid;place-items:center;font-size:13px;font-weight:700}
.callout{margin-top:20px;background:#fbf3ec;border:1px solid #ecd2bd;border-left:5px solid var(--clay);border-radius:12px;padding:14px 18px;font-size:15px;color:#4b3a2e}
/* books / team / videos / gallery */
.books{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.bookcard{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;color:inherit;box-shadow:var(--sh)}
.bookcard picture{flex:0 0 38%}.bookcard img{border-radius:4px;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.bookcard h3{font-size:18px;margin-bottom:6px}.bookcard p{font-size:14px;color:var(--mute)}
.books.big{grid-template-columns:repeat(2,1fr);gap:14px}
.books.big figure{text-align:center}.books.big img{border-radius:4px;box-shadow:0 10px 26px rgba(20,40,34,.25);margin-inline:auto}
figcaption{font-size:14px;color:var(--mute);margin-top:8px}
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.member{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.ph{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 20%}
.member figcaption{padding:12px 14px 16px;margin:0}
.member small{display:block;color:var(--clayd);font-weight:700;font-size:12px}
.member b{display:block;color:var(--forest);font-size:16px}
.nw{white-space:nowrap}.member span{display:block;font-size:13px;color:var(--mute);line-height:1.5;margin-top:4px}
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.video{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--sh);display:block}
.video img{width:100%;aspect-ratio:16/9;object-fit:cover}
.vmeta{display:block;padding:14px 16px 18px}.vmeta small{display:block;font-size:12px;color:var(--mute);margin-bottom:4px}.vmeta b{font-size:15px;line-height:1.5;color:var(--forest)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.gallery.two{grid-template-columns:repeat(2,minmax(0,360px))}
.gallery figure{margin:0}.gallery{align-items:start}.gallery img{border-radius:var(--r);width:100%;height:auto}.gallery .ph{aspect-ratio:4/5;object-fit:cover}
.official{display:grid;gap:6px;background:var(--forest);color:#fff;border-radius:20px;padding:26px 30px;text-decoration:none;position:relative}
.official b{font-family:'Noto Serif KR',serif;font-size:22px}.official span{color:#d7e5dc}.official em{font-style:normal;font-weight:700;color:#f2c9ad}
.official-tag{justify-self:start;background:var(--clay);color:#fff!important;border-radius:999px;padding:3px 12px;font-size:12px;font-weight:700}
/* faq */
.faq{display:grid;gap:10px;max-width:860px}
.faq details{background:var(--bg);border:1px solid var(--line);border-radius:14px}
.faq summary{list-style:none;cursor:pointer;padding:16px 52px 16px 20px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{font-size:16.5px;font-family:'Noto Sans KR',sans-serif;font-weight:700;color:var(--forest)}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--clayd);line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details[open]{background:#fff;border-color:var(--forest2)}
.faq .ans{padding:0 20px 18px;color:#33423d}
.faq-extra{display:grid;gap:10px}.faq-extra[hidden]{display:none}
.faq-more{justify-self:start;margin-top:6px}
/* cta */
.cta{background:var(--forest);color:#fff;padding:52px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:8px}.cta p{color:#d7e5dc;max-width:56ch}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}
.updated{font-size:13px;color:var(--mute);padding:14px 0}
/* footer */
.ft{background:#17302a;color:#c7d6cd;padding:44px 0 0;font-size:14px}
.ft-in{display:grid;grid-template-columns:1.2fr 1fr;gap:32px}
.ft b{color:#fff;display:block;margin-bottom:8px;font-size:16px}
.ft a{color:#e8d3c2}
.ft-nav{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px;align-content:start}.ft-nav b{grid-column:1/-1}
.ft-nav a{text-decoration:none;color:#c7d6cd;padding:2px 0}.ft-nav a:hover{color:#fff}
.ft-c{border-top:1px solid #2b4a41;margin-top:30px;padding:16px 0 22px;color:#9fb3a8;font-size:13px}
/* responsive */
@media(max-width:1000px){.team{grid-template-columns:repeat(2,1fr)}.cards.cols-4,.stats{grid-template-columns:repeat(2,1fr)}.flow{grid-template-columns:repeat(2,1fr)}.node:nth-child(2)::after{display:none}}
@media(max-width:860px){
 .hero-in{grid-template-columns:1fr}.hero-art{min-height:300px}
 .burger{display:block}
 .nav{position:absolute;left:0;right:0;top:66px;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 20px 18px;display:none}
 .nav.open{display:flex}.nav .btn{margin-top:6px}
 .cards,.cards.cols-2,.videos,.gallery{grid-template-columns:1fr 1fr}.gallery.two{grid-template-columns:1fr 1fr}
 .ft-in{grid-template-columns:1fr}.books{grid-template-columns:1fr}
}
@media(max-width:720px){
 .tbl thead{position:absolute;left:-9999px}
 .tbl,.tbl tbody,.tbl tr,.tbl th,.tbl td{display:block;width:100%}
 .tbl tr{border-bottom:8px solid var(--bg)}.tbl tr:last-child{border-bottom:0}
 .tbl tbody th{width:100%;border-bottom:1px solid var(--line)}
 .tbl td{display:grid;grid-template-columns:7.5em 1fr;gap:10px;padding:10px 16px}
 .tbl td::before{content:attr(data-label);font-weight:700;color:var(--forest);font-size:13px}
}
@media(max-width:600px){
 .wrap{width:min(1120px,100% - 32px)}
 .sec{padding:46px 0}.hero{padding:36px 0 44px}
 .cards,.cards.cols-2,.cards.cols-4,.videos,.gallery,.gallery.two,.flow{grid-template-columns:1fr}
 .stats{grid-template-columns:1fr 1fr;gap:10px}.stat{padding:14px 10px}
 .team{grid-template-columns:1fr 1fr}
 .node:not(:last-child)::after{content:"↓";right:auto;left:50%;top:auto;bottom:-24px;transform:translateX(-50%)}
 .flow{gap:28px}
 .books.big{grid-template-columns:1fr 1fr}.bookcard{flex-direction:column;text-align:center}.bookcard picture{flex:none;width:55%}
 .hero-art .book{width:48%}.hero-art{min-height:300px;padding:22px 14px 54px}.badge{top:auto;bottom:12px;left:50%;transform:translateX(-50%);white-space:nowrap;padding:6px 14px}.badge br{display:none}
 .btn{width:100%}.btns,.cta-btns{width:100%}.btn.sm{width:auto}
 .ft-nav{grid-template-columns:1fr}
 .cta-in{display:block}.cta-btns{margin-top:18px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.expert{display:grid;grid-template-columns:160px 1fr;gap:22px;align-items:center;background:var(--sage);border-radius:20px;padding:20px;margin-bottom:20px}
.expert .ph{border-radius:14px}.expert h3{font-size:20px;margin-bottom:6px}.expert p{max-width:62ch}
.bookrows{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.bookrow{display:grid;grid-template-columns:170px 1fr;gap:20px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh)}
.bookrow img{border-radius:4px;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.bookrow h3{font-size:19px;margin-bottom:4px}.bookrow .by{font-size:14px;color:var(--mute);margin-bottom:8px}.bookrow>div>p{font-size:15px;margin-bottom:12px}
.bookrow .check li{font-size:14.5px;padding:8px 12px 8px 40px}.bookrow .check li::before{left:12px;top:8px}
@media(max-width:1000px){.bookrows{grid-template-columns:1fr}}
@media(max-width:600px){.expert{grid-template-columns:110px 1fr;gap:14px;padding:14px}.bookrow{grid-template-columns:1fr;text-align:left}.bookrow picture{max-width:180px}}

.hero-art.person{display:block;background:none;padding:0;min-height:0;margin:0;justify-self:center;width:min(380px,100%);position:relative}
.hero-art.person::before{content:"";position:absolute;inset:26px -18px -18px 26px;background:var(--sage2);border-radius:190px 190px 28px 28px;z-index:0}
.hero-art.person picture{position:relative;z-index:1}
.hero-art.person .ph{aspect-ratio:4/5;object-fit:cover;object-position:50% 18%;border-radius:190px 190px 24px 24px;width:100%}
.hero-art.person figcaption{position:relative;z-index:2;margin:-46px 14px 0 0;background:#fff;border:1px solid var(--line);border-left:5px solid var(--clay);border-radius:12px;padding:12px 16px;box-shadow:var(--sh);color:var(--ink)}
.hero-art.person small{display:block;font-size:12px;font-weight:700;color:var(--clayd)}.hero-art.person b{display:block;font-family:'Noto Serif KR',serif;font-size:19px;color:var(--forest)}.hero-art.person span{display:block;font-size:13px;color:var(--mute);line-height:1.5}
@media(max-width:860px){.hero-art.person{width:min(320px,86%);margin-top:8px}}