:root{

  --paper:#FAF7F2;
  --paper-card:#FFFFFF;
  --paper-deep:#F2EEE6;
  --paper-85:hsla(38,44%,96%,.85);
  --paper-90:hsla(38,44%,96%,.90);
  --ink:#1A1A1A;
  --ink-soft:#3A3A3A;
  --ink-muted:#6B6B6B;
  --ink-faint:#9C9C9C;
  --line:#E2DCD0;
  --alert:#B23B3B;

  --accent:#1F3D2B;
  --accent-deep:#162C1F;
  --accent-wash:#E8EFE9;

  --measure:48rem;
  --gutter:1.5rem;
  --bar-h:41px;
  --card-w:28rem;
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  line-height:1.5;
  -moz-tab-size:4;tab-size:4;
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:Inter,Pretendard,"Pretendard Variable","Noto Sans KR",ui-sans-serif,system-ui,sans-serif;
  font-size:16px;
  font-feature-settings:"ss01","cv11","calt","liga";
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  word-break:keep-all;
  overflow-wrap:anywhere;
  padding-bottom:calc(var(--bar-h) + 2.5rem + env(safe-area-inset-bottom, 0px));
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,.display-serif,.stamp,.fact dd{
  font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;
  font-feature-settings:"ss01","ss02","liga","kern";
  font-optical-sizing:auto;
  letter-spacing:-.02em;
  font-weight:500;
}

h1{
  font-size:3rem;
  line-height:1.05;
  margin:1.25rem 0 0;
  text-wrap:balance;
}
h2{
  font-size:1.5rem;
  line-height:1.375;
  margin:.75rem 0 0;
  text-wrap:balance;
}
h3{
  font-size:1.125rem;
  line-height:1.4;
  margin:2rem 0 .5rem;
  color:var(--ink);
}
p{margin:.75rem 0 0;text-wrap:pretty}

.eyebrow{
  font-family:Inter,Pretendard,"Noto Sans KR",ui-sans-serif,system-ui,sans-serif;
  font-size:11px;
  font-weight:500;
  text-transform:uppercase;
  letter-spacing:.22em;
  color:var(--ink-muted);
  margin:0;
}

.nav{
  position:sticky;top:0;z-index:40;
  border-bottom:1px solid var(--line);
  background:var(--paper-85);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.nav-in{
  max-width:var(--measure);margin:0 auto;
  padding:.875rem var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
}
.wordmark{
  font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;
  font-size:1rem;font-weight:600;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;
}
.wordmark small{
  display:block;
  font-family:Inter,Pretendard,"Noto Sans KR",ui-sans-serif,system-ui,sans-serif;
  font-size:10.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-faint);margin-top:2px;
}
.nav-links{display:flex;gap:1.25rem;flex-wrap:wrap}
.nav-links a{
  font-size:.8125rem;color:var(--ink-muted);white-space:nowrap;
  transition:color .15s cubic-bezier(.4,0,.2,1);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a[aria-current="page"]{color:var(--ink);font-weight:600}

main{max-width:var(--measure);margin:0 auto;padding:0 var(--gutter)}
section{padding-block:3.5rem;border-top:1px solid var(--line)}
section:first-of-type{border-top:0}

section > .eyebrow,section > h2{text-align:center}
section > h2{margin-bottom:.5rem}
.hero{padding-top:4rem;padding-bottom:3.5rem;text-align:center}
.hero .eyebrow{letter-spacing:.24em}

.hero .lead{max-width:36rem;margin-left:auto;margin-right:auto;line-height:1.5}
.lead{font-size:1rem;line-height:1.625;color:var(--ink-soft);margin-top:1.5rem}
.course-name{
  font-size:.8125rem;font-weight:500;letter-spacing:.06em;
  color:var(--ink-muted);margin-top:1rem;
}

.fill{
  display:inline-flex;align-items:center;gap:.375rem;
  border:1px dashed var(--accent);
  background:var(--accent-wash);
  color:var(--accent-deep);
  border-radius:9999px;
  padding:.0625rem .625rem;
  font-size:.75rem;font-weight:500;letter-spacing:.01em;
  white-space:nowrap;
}

.timeline li > .fill,.kv .row > .fill{justify-self:start}

.fill.checking{border-color:var(--ink-faint);background:var(--paper-deep);color:var(--ink-muted)}

.preview{
  background:var(--alert);color:var(--paper);
  font-size:.8125rem;font-weight:500;line-height:1.5;
  padding:.625rem var(--gutter);text-align:center;
}
.preview b{font-weight:700}
.sample{
  text-decoration:underline;
  text-decoration-style:dotted;
  text-decoration-color:var(--alert);
  text-underline-offset:3px;
}

.facts{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin:2.5rem 0 0;
}
.fact{padding:.25rem 1rem;text-align:center;min-width:0;border-left:1px solid var(--line)}
.fact:first-child{border-left:0}
.fact dt{
  font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.22em;
  color:var(--ink-faint);margin-bottom:.25rem;
}

.fact dd{margin:0;font-size:1rem;line-height:1.5;font-weight:400;color:var(--ink)}

.callout{
  border:1px solid var(--line);border-radius:.125rem;
  background:var(--paper-card);
  padding:.75rem 1.25rem;margin:2rem auto 0;
  max-width:var(--card-w);text-align:left;
}
.callout .k{
  display:block;
  font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.22em;
  color:var(--alert);margin-bottom:.5rem;
}

.kv{margin:1.5rem 0 0}
.kv .row{
  display:grid;grid-template-columns:12rem 1fr;gap:1rem;
  padding:.875rem 0;border-bottom:1px solid var(--line);align-items:baseline;
}
.kv .row:first-child{border-top:1px solid var(--line)}
.kv dt{font-size:.8125rem;font-weight:500;color:var(--ink-muted);margin:0;min-width:0;letter-spacing:.01em}
.kv dd{margin:0;font-size:.9375rem;color:var(--ink-soft);line-height:1.625;min-width:0}

.table-wrap{
  overflow-x:auto;margin-top:1.5rem;
  border:1px solid var(--line);border-radius:.125rem;background:var(--paper-card);
}
table{border-collapse:collapse;width:100%;min-width:28rem;font-size:.875rem}
th,td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{
  background:var(--paper-deep);
  font-family:Inter,Pretendard,"Noto Sans KR",ui-sans-serif,system-ui,sans-serif;
  font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.18em;
  color:var(--ink-muted);white-space:nowrap;
}
tbody td{color:var(--ink-soft)}

.t-cur th:nth-child(2),.t-cur td:nth-child(2),
.t-cur th:nth-child(3),.t-cur td:nth-child(3){white-space:nowrap;width:1%}
.t-cur td:nth-child(1){min-width:8.5rem}
ul.mini{margin:0;padding-left:1.05rem;list-style:disc}
ul.mini li{margin:0 0 .25rem;line-height:1.55}
ul.mini li:last-child{margin-bottom:0}
ul.mini li::marker{color:var(--ink-faint)}
tbody tr:last-child td{border-bottom:0}

.timeline{list-style:none;margin:1.5rem 0 0;padding:0}
.timeline li{
  display:grid;grid-template-columns:12rem 1fr;gap:1rem;align-items:baseline;
  padding:.875rem 0;border-bottom:1px solid var(--line);
}
.timeline li:first-child{border-top:1px solid var(--line)}
.timeline .t-label{
  font-size:.8125rem;font-weight:500;color:var(--ink-muted);letter-spacing:.01em;
}

.photos{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.5rem}
.photo{
  border:1px dashed var(--line);border-radius:.125rem;background:var(--paper-card);
  aspect-ratio:4/3;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.5rem;padding:1rem;text-align:center;
}
.note{font-size:.8125rem;line-height:1.5;color:var(--ink-faint);margin-top:1rem}
.photo .note{margin-top:0}

.more{
  display:inline-block;margin-top:1.75rem;
  font-size:.875rem;color:var(--ink);
  text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px;
  transition:text-decoration-color .15s cubic-bezier(.4,0,.2,1);
}
.more:hover{text-decoration-color:var(--accent)}

.bar{
  position:fixed;inset-inline:0;bottom:0;z-index:40;
  border-top:1px solid var(--line);
  background:var(--paper-90);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);

  padding:.25rem var(--gutter) calc(.25rem + env(safe-area-inset-bottom, 0px));
}
.bar-in{
  max-width:var(--measure);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.bar .who{
  font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.2em;color:var(--ink-faint);
  min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.btn{
  background:var(--accent);color:var(--paper);
  font-size:.8125rem;font-weight:500;letter-spacing:.02em;line-height:1.25rem;
  border-radius:.125rem;padding:.375rem 1.25rem;white-space:nowrap;
  transition:background-color .15s cubic-bezier(.4,0,.2,1);
}
.btn:hover{background:var(--accent-deep)}

footer{
  max-width:var(--measure);margin:0 auto;
  padding:2.5rem var(--gutter) 3rem;
  border-top:1px solid var(--line);
  font-size:.8125rem;line-height:1.7;color:var(--ink-faint);
}

@media (max-width:900px){
  .kv .row,.timeline li{grid-template-columns:10rem 1fr}
}
@media (max-width:640px){
  :root{--gutter:1.25rem}
  .hero{padding-top:3rem;padding-bottom:2.5rem}
  section{padding-block:2.75rem}

  .facts{grid-template-columns:1fr;gap:1.25rem;margin-top:2rem}
  .fact{border-left:0;padding:0}
  .photos{grid-template-columns:1fr 1fr}
  .kv .row,.timeline li{grid-template-columns:1fr;gap:.25rem;padding:.75rem 0}
}
@media (max-width:420px){
  .nav-links{gap:.875rem}
  .nav-links a{font-size:.75rem}
  .photos{grid-template-columns:1fr}
  .bar .who{display:none}
  .bar-in{justify-content:stretch}
  .btn{width:100%;text-align:center}
}

@media (min-width:640px){
  h1{font-size:4.5rem;line-height:1}
  h2{font-size:2.25rem;line-height:1.1111}
  .hero .lead{font-size:1.125rem;line-height:1.5556}

  .eyebrow,.fact dt{font-size:12px}
}

:root{--accent:#326045;--accent-deep:#264A35}

.nb{white-space:nowrap}

.fact .sub{display:block;margin-top:.375rem;font-size:.75rem;line-height:1.5;color:var(--ink-faint);
  font-family:Inter,Pretendard,"Noto Sans KR",ui-sans-serif,system-ui,sans-serif;letter-spacing:0}

#intro p + p{margin-top:1.5rem}
#intro p.pull{font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;font-style:italic;font-size:1.375rem;line-height:1.5;color:var(--ink);padding-left:1rem;border-left:3px solid var(--accent)}

#intro > h2 + p{margin-top:calc(1cm - 10.5px)}
@media (min-width:640px){#intro > h2 + p{margin-top:calc(1cm - 8px)}}
.t-cur td:first-child{white-space:pre-line}

.callout p{margin:0}
.callout .note{margin-top:.875rem}
.callout.alert{background:rgba(178,59,59,.05);border-color:rgba(178,59,59,.3)}
.callout.info{background:var(--accent-wash);border-color:var(--accent)}
.callout.info .k{color:var(--accent)}

em.red{font-style:normal;color:var(--alert);font-weight:600}

ul.mini{list-style:none;padding-left:0}
ul.mini li{margin:0}
ul.mini li + li{margin-top:.25rem}

.tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.5rem;justify-content:flex-start}
.tag{border:1px solid var(--line);background:var(--paper-card);border-radius:9999px;
     padding:.25rem .75rem;font-size:.75rem;line-height:1rem;color:var(--ink-soft);white-space:nowrap}

em.hl{font-style:italic;color:var(--accent);font-weight:500;font-synthesis-style:auto}
em.hl.serif{font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;letter-spacing:-.02em}
h1 em.hl{font-weight:inherit}

.stamps{list-style:none;margin:3rem 0 0;padding:0;display:grid;gap:2.5rem}
.stamps > li{display:grid;grid-template-columns:auto 1fr;gap:2.5rem;align-items:start}
.stamp{font-size:2.25rem;line-height:1;font-style:italic;font-weight:400;
       color:var(--accent);margin-top:-1.5px;font-variant-numeric:lining-nums;
       min-width:2.875rem}
.amp{font-family:Inter,Pretendard,"Noto Sans KR",sans-serif;font-style:normal;font-weight:400;letter-spacing:0}
.stamp-t{font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;letter-spacing:-.02em;
         font-size:1.5rem;line-height:2rem;font-weight:500;color:var(--ink)}
.stamp-s{margin-top:.25rem;font-size:.875rem;line-height:1.25rem;font-style:italic;color:var(--ink-muted)}
.stamp-b{margin-top:.75rem;font-size:1rem;line-height:1.625;color:var(--ink-soft)}
.stamp-b ul.mini{margin-top:0}
.stamp-sum{margin-top:2.5rem;padding-top:1.25rem;border-top:1px solid var(--line);
           font-size:.9375rem;color:var(--ink-soft)}
.stamp-sum b{font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;
             font-weight:500;font-size:1.125rem;color:var(--ink);letter-spacing:-.02em}

.cols2{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.cols2 > div{min-width:0}
.cols2 h2{font-size:1.875rem;line-height:2.25rem;text-align:left}
.cols2 > div > .eyebrow{text-align:left}
.cols2 h3{margin-top:2.5rem}

.bullets{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:.75rem}
.bullets li{display:grid;grid-template-columns:auto 1fr;gap:.75rem;
            font-size:.9375rem;line-height:1.6;color:var(--ink-soft);text-wrap:pretty}
.bullets .dot{font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;
              font-style:italic;color:var(--accent);line-height:1.6}
.bullets .b-k{color:var(--ink);font-weight:500}

.figure-card{border:1px solid var(--line);border-radius:.125rem;background:var(--paper-card);
             box-shadow:0 1px 0 rgba(26,26,26,.04),0 24px 60px -28px rgba(26,26,26,.12);
             padding:1.25rem;margin-top:1.5rem}
.figure-card .k{display:block;font-size:11px;font-weight:500;text-transform:uppercase;
                letter-spacing:.22em;color:var(--accent);margin-bottom:.5rem}
.figure-card .fig{font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;letter-spacing:-.02em;
                  font-size:1.125rem;line-height:1.45;color:var(--ink);margin:.375rem 0 0}
.figure-card .fig b{font-size:1.875rem;font-weight:500}
.figure-card .fig-k{font-family:Inter,Pretendard,"Noto Sans KR",ui-sans-serif,system-ui,sans-serif;
                    font-size:.8125rem;letter-spacing:.01em;color:var(--ink-muted)}
.figure-card .note{margin-top:.875rem}

.deflist{margin:1.5rem 0 0}
.deflist > div{padding:.875rem 0;border-bottom:1px solid var(--line)}
.deflist > div:first-child{border-top:1px solid var(--line)}
.deflist dt{font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;letter-spacing:-.02em;
            font-size:1rem;line-height:1.5;color:var(--ink);margin:0}
.deflist dd{margin:.25rem 0 0;font-size:.875rem;line-height:1.6;color:var(--ink-soft)}
.deflist dd .sep{color:var(--line);padding:0 .375rem}

.notice{margin:1.5rem 0 0;font-size:.9375rem;line-height:1.7;color:var(--ink-soft)}

footer .contact{color:var(--ink-muted)}
footer .contact a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}

@media (max-width:640px){
  .stamps{gap:2rem}
  .stamps > li{gap:1.5rem}
  .stamp{font-size:1.875rem;line-height:1;margin-top:.5px;min-width:2.375rem}
  .stamp-t{font-size:1.25rem;line-height:1.75rem}
  .cols2{grid-template-columns:1fr;gap:2.5rem}
  .cols2 h2{font-size:1.5rem;line-height:2rem}
}

.cal-wrap{position:relative}
.cal-wrap > input{position:absolute;opacity:0;width:1px;height:1px;margin:0;pointer-events:none}
.cal-ban{display:flex;justify-content:center;margin:1.75rem 0 0}
.cal-ban label{border:1px solid var(--line);background:var(--paper-card);color:var(--ink-muted);cursor:pointer;
  font-size:.8125rem;font-weight:500;letter-spacing:.02em;line-height:1.25rem;padding:.375rem 1.5rem}
.cal-ban label + label{border-left:0}
.cal-ban label:first-child{border-radius:.125rem 0 0 .125rem}
.cal-ban label:last-child{border-radius:0 .125rem .125rem 0}
#ban1:checked ~ .cal-ban label[for=ban1],#ban2:checked ~ .cal-ban label[for=ban2]{
  background:var(--accent);border-color:var(--accent);color:var(--paper)}
#ban1:focus-visible ~ .cal-ban label[for=ban1],#ban2:focus-visible ~ .cal-ban label[for=ban2]{
  outline:2px solid var(--accent);outline-offset:2px}
.b1,.b2{display:contents}
#ban1:checked ~ .cals .b2,#ban2:checked ~ .cals .b1{display:none}
.cal-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:.375rem 1.25rem;margin:1rem 0 0;
  font-size:.75rem;line-height:1.5;color:var(--ink-muted)}
.cal-legend .sw{display:inline-block;width:.75rem;height:.75rem;margin-right:.375rem;vertical-align:-.125rem}
.cal-legend .sw.ev{background:var(--accent);border-radius:9999px}
.cal-legend .sw.off{background:var(--paper-deep);border:1px solid var(--line);border-radius:.125rem}
.cals .note{text-align:center}
.cal-m{margin:2.75rem 0 0;font-size:1.375rem;line-height:1.3}
.cal{margin-top:.75rem;border:1px solid var(--line);border-radius:.125rem;background:var(--paper-card);overflow:hidden}
.cal-head,.cal-grid{display:grid;grid-template-columns:2.25rem repeat(5,minmax(0,1fr)) 2.25rem}
.cal-head{background:var(--paper-deep)}
.cal-head span{padding:.5rem 0;text-align:center;font-size:11px;font-weight:500;letter-spacing:.12em;color:var(--ink-muted)}
.cal-grid .d{min-width:0;min-height:4.25rem;padding:.375rem .5rem .5rem;
  border-top:1px solid var(--line);border-left:1px solid var(--line);
  display:flex;flex-direction:column;align-items:flex-start;gap:.1875rem}
.cal-grid .d.sun{border-left:0}
.cal-grid .n{font-family:Fraunces,"Noto Serif KR",ui-serif,Georgia,serif;font-size:.8125rem;line-height:1.2;
  color:var(--ink);font-variant-numeric:lining-nums}
.cal-grid .ln{font-size:.75rem;line-height:1.35;color:var(--ink-soft);overflow-wrap:normal}
.cal-grid .ln.sm{font-size:.6875rem;color:var(--ink-muted)}
.cal-grid .ev{display:inline-block;max-width:100%;padding:.0625rem .5rem;border-radius:9999px;
  background:var(--accent);color:var(--paper);font-size:.6875rem;line-height:1.4;font-weight:500;white-space:nowrap}
.cal-grid .we{background:var(--paper-deep);padding-left:.375rem;padding-right:.25rem}
.cal-grid .we .n{color:var(--ink-faint)}
.cal-grid .holi{background:var(--paper-deep)}
.cal-grid .holi .ln{color:var(--ink-muted)}
.cal-grid .dim{background:var(--paper)}
.cal-grid .dim .n{color:var(--ink-faint)}
.cal-grid .out{background:var(--paper)}

@media (max-width:640px){
  .cals .cal{margin-inline:calc(.5rem - var(--gutter))}
  .cal-head,.cal-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
  .cal-head .we,.cal-grid .we,.cal-grid .wo,.cal-legend .we-lbl{display:none}
  .cal-grid .d.mon{border-left:0}
  .cal-grid .d{min-height:3.5rem;padding:.25rem .25rem .375rem;gap:.125rem}
  .cal-grid .n{font-size:.6875rem}
  .cal-grid .ln{font-size:.625rem;line-height:1.3}
  .cal-grid .ln.sm{font-size:.5625rem}
  .cal-grid .ev{display:block;white-space:normal;border-radius:.1875rem;padding:.0625rem .1875rem;
    font-size:.5625rem;line-height:1.3}
  .cal-m{font-size:1.125rem;margin-top:2.25rem}
}