:root{
  --paper:#ffffff; --panel:#f4f6f9; --panel-2:#eceff3;
  --ink:#111214; --head:#3F3F3F; --ink-2:#4a4f57; --ink-3:#8b919b;
  --nav-ink:#3f3f3f; --nav-active:#1187CF;
  --line:#e3e6ea; --line-2:#d6dae0;
  --brand:#123a6b; --brand-2:#0073dd; --brand-ink:#ffffff;
  --yellow:#ffd81f; --good:#1c7d54;
  --maxw:1160px; --util-h:38px; --nav-h:60px; --content:720px;
  --header-h:calc(var(--util-h) + var(--nav-h));
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0e1015; --panel:#161a21; --panel-2:#1d222b;
    --ink:#eef1f5; --head:#eef1f5; --ink-2:#b3bac5; --ink-3:#7c8593;
    --line:#272d37; --line-2:#333b47;
    --brand:#4f8fd6; --brand-2:#4aa6ff; --brand-ink:#0b1220; --good:#4fc38c;
    --nav-ink:#eef1f5;
  }
}
:root[data-theme="dark"]{
  --paper:#0e1015; --panel:#161a21; --panel-2:#1d222b;
  --ink:#eef1f5; --head:#eef1f5; --ink-2:#b3bac5; --ink-3:#7c8593;
  --line:#272d37; --line-2:#333b47;
  --brand:#4f8fd6; --brand-2:#4aa6ff; --brand-ink:#0b1220; --good:#4fc38c;
  --nav-ink:#eef1f5;
}

*{box-sizing:border-box;margin:0;padding:0}
*{word-break:keep-all;overflow-wrap:normal;line-break:strict}
html{scroll-behavior:smooth}
body{
  background:var(--paper);color:var(--ink);
  font-family:"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;font-synthesis:none;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:"Gothic A1","Noto Sans KR","Malgun Gothic",sans-serif;font-weight:800;line-height:1.3;letter-spacing:-0.02em;color:var(--head);text-wrap:balance}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block;border-radius:12px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px}
.tnum{font-variant-numeric:tabular-nums}
.eyebrow{font-size:14.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--brand-2)}

/* ---- header (홈페이지와 동일) ---- */
.util-bar{height:var(--util-h);background:var(--brand);color:#fff;
  border-bottom:1px solid color-mix(in srgb,var(--brand) 70%,#000)}
.util-inner{max-width:var(--maxw);margin:0 auto;padding:0 16px;height:100%;
  display:flex;align-items:center;justify-content:flex-end;gap:2px}
.util-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:#fff;
  padding:7px 11px;border-radius:8px;transition:background .15s ease;white-space:nowrap}
.util-link:hover,.util-link:focus-visible{background:rgba(255,255,255,.16)}
.util-link svg{width:19px;height:19px;flex:none}
#site-header{position:fixed;inset:0 0 auto 0;z-index:100;
  background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.nav{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:9px;font-weight:900;font-size:18px;letter-spacing:-.02em}
.logo .mk{height:26px;width:auto;object-fit:contain;border-radius:0;flex:none}
.menu{display:flex;align-items:center;gap:10px}
.menu > a,.menu > .has-sub > button{font:inherit;font-weight:700;font-size:15px;color:var(--nav-ink);
  background:none;border:0;cursor:pointer;padding:8px 10px;
  display:inline-flex;align-items:center;gap:5px;transition:color .15s ease}
.menu > a:hover,.menu > .has-sub:hover > button,
.menu > a.active,.menu > .has-sub.active > button{color:var(--nav-active)}
.has-sub{position:relative}
.has-sub .caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s ease}
.has-sub:hover .caret,.has-sub:focus-within .caret{transform:rotate(225deg) translateY(0)}
.sub{position:absolute;top:calc(100% + 12px);left:-6px;transform:translateY(6px);
  background:var(--paper);border:1px solid var(--line);border-radius:14px;
  padding:10px;min-width:200px;box-shadow:0 22px 48px -20px rgba(15,30,60,.28);
  opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease}
.sub::before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translateY(0)}
.sub a{display:block;padding:11px 14px;border-radius:9px;font-size:14.5px;font-weight:600;color:var(--nav-ink);white-space:nowrap}
.sub a:hover{background:var(--panel);color:var(--nav-active)}
.nav-cta{flex:none;background:var(--brand);color:var(--brand-ink);font-weight:800;font-size:15.5px;
  padding:11px 19px;border-radius:999px;white-space:nowrap}
.menu-toggle{display:none}
@media (max-width:860px){
  .menu{
    display:none;
    position:fixed;top:var(--header-h);left:0;right:0;z-index:90;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--paper);border-bottom:1px solid var(--line);padding:12px;
    box-shadow:0 22px 44px -18px rgba(0,0,0,.3);
    max-height:calc(100vh - var(--header-h));max-height:calc(100dvh - var(--header-h));overflow-y:auto
  }
  #site-header.open .menu{display:flex}
  .menu > a,.menu > .has-sub > button{width:100%;justify-content:space-between;font-size:16px;padding:13px 14px}
  .has-sub{width:100%}
  .has-sub .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;border-radius:0;padding:0 0 6px 12px;min-width:0}
  .has-sub:not(.open) .sub{display:none}
  .menu-toggle{display:inline-grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);
    border-radius:10px;background:var(--paper);cursor:pointer;z-index:95}
  .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{content:"";display:block;width:18px;height:2px;background:var(--ink);position:relative}
  .menu-toggle span::before{position:absolute;top:-6px}
  .menu-toggle span::after{position:absolute;top:6px}
  .nav-cta{font-size:14px;padding:9px 14px}
}
@media (max-width:620px){
  .util-inner{justify-content:space-around;padding:0 4px;gap:0}
  .util-link{flex:1;justify-content:center;padding:8px 4px;gap:0;font-size:11px}
  .util-link span{display:none}
  .util-link svg{width:23px;height:23px}
}

/* ---- blog list ---- */
main.blog-home,main.post-wrap{padding-top:calc(var(--header-h) + 40px);padding-bottom:80px;min-height:70vh}
@media (max-width:860px){main.blog-home,main.post-wrap{padding-top:calc(var(--header-h) + 22px)}}
.blog-hero{max-width:var(--content);margin:0 auto 44px;padding:0}
.blog-hero, .post{position:static}
.blog-hero h1{font-size:clamp(28px,4.5vw,44px);font-weight:900;margin:10px 0 12px}
.blog-hero p:not(.eyebrow){color:var(--ink-2);font-size:16.5px}
.post-list{max-width:var(--content);margin:0 auto;display:flex;flex-direction:column;gap:2px}
.post-card{display:block;padding:24px 4px;border-top:1px solid var(--line);transition:background .15s ease}
.post-card:last-child{border-bottom:1px solid var(--line)}
.post-card:hover{background:var(--panel)}
.pc-cat{font-size:13.5px;font-weight:800;letter-spacing:.06em;color:var(--brand-2);text-transform:uppercase}
.post-card h2{font-size:clamp(18px,2.4vw,22px);margin:7px 0 8px;font-weight:800}
.pc-meta{font-size:13px;color:var(--ink-3)}

/* ---- post ---- */
.post-wrap{max-width:var(--content)}
.post-cat{font-size:13.5px;font-weight:800;letter-spacing:.08em;color:var(--brand-2);text-transform:uppercase}
.post h1{font-size:clamp(25px,4vw,38px);font-weight:900;margin:12px 0 14px;line-height:1.28}
.post-meta{color:var(--ink-3);font-size:14px;padding-bottom:26px;border-bottom:2px solid var(--ink);margin-bottom:34px}
.post-body{font-size:17px;line-height:1.9;color:var(--ink)}
.post-body > * + *{margin-top:22px}
.post-body h2{font-size:clamp(19px,2.6vw,24px);font-weight:800;margin-top:44px;letter-spacing:-.01em}
.post-body p{color:var(--ink)}
.post-body ul,.post-body ol{padding-left:22px;display:flex;flex-direction:column;gap:8px}
.post-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px}
.post-body blockquote{border-left:3px solid var(--brand-2);padding:4px 0 4px 18px;color:var(--ink-2)}
.post-body pre{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;overflow-x:auto;font-size:14px}
.post-body hr{border:0;border-top:1px solid var(--line)}

.summary-box{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--brand-2);
  border-radius:12px;padding:22px 24px}
.summary-box .lbl{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.1em;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:8px}
.summary-box p{color:var(--ink-2);font-size:16px;line-height:1.8}
.summary-box p + p{margin-top:10px}

.photo-slot{border:1.5px dashed var(--line-2);border-radius:14px;background:var(--panel);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  text-align:center;padding:28px 22px;color:var(--ink-3)}
.photo-slot .cam{width:32px;height:32px;border-radius:9px;border:2px solid currentColor;position:relative;flex:none}
.photo-slot .cam::before{content:"";position:absolute;inset:8px;border:2px solid currentColor;border-radius:50%}
.photo-slot .cam::after{content:"";position:absolute;top:-5px;left:8px;width:12px;height:6px;
  background:var(--panel);border:2px solid currentColor;border-bottom:0;border-radius:4px 4px 0 0}
.photo-slot b{color:var(--ink-2);font-size:13px;font-weight:800}
.photo-slot span{font-size:12.5px;max-width:40ch;line-height:1.55}
figure figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.post-body figure{margin-left:0;margin-right:0}
.post-body figure img{width:100%;border-radius:14px;border:1px solid var(--line)}
.post-cover{margin:0 0 30px}
.post-cover img{width:100%;border-radius:16px;border:1px solid var(--line)}

.info-table{border:1px solid var(--line);border-radius:14px;overflow:hidden}
.info-table table{border-collapse:collapse;width:100%;font-size:15.5px}
.info-table th,.info-table td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:0}
.info-table th{background:var(--panel);font-weight:800;color:var(--ink-2);width:34%;white-space:nowrap}
.info-table td b,.info-table td strong{color:var(--brand-2);font-weight:700}

.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px !important;padding-top:24px;border-top:1px solid var(--line)}
.tag-row span{font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-2)}

.post-more{max-width:var(--content);margin:48px auto 0;display:flex;flex-direction:column;gap:10px;
  border-top:1px solid var(--line);padding-top:24px}
.post-more a{font-size:14px;font-weight:700;color:var(--ink-2)}
.post-more a:hover{color:var(--brand-2)}
.back-list{display:inline-block;margin:34px auto 0;font-weight:800;color:var(--brand-2)}

footer{border-top:1px solid var(--line);padding:36px 0 60px;background:var(--panel)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;font-size:13px;color:var(--ink-3)}
.foot b{color:var(--ink-2)}
.foot a{color:var(--brand-2);font-weight:700}