:root {
  --ink: #191919;
  --sub: #5f5e5b;
  --muted: #6f6d68;
  --line: #dcd7cc;
  --green: #3b7556;
  --green-bg: #e3eee5;
  --bg: #f5f3ee;
  --card: #fbfaf7;
  --serif: "Nanum Myeongjo", "Batang", serif;
  --sans: "Pretendard", -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ── Top nav (case pages) ─────────────── */
.topnav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0 0;
  font-size: 13px;
  letter-spacing: 0.08em;
}
.topnav a { text-decoration: none; color: var(--muted); }
.topnav a:hover { color: var(--green); }

/* ── Cover ─────────────────────────── */
.cover { padding-top: 40px; }
.topnav + .cover { padding-top: 20px; }
.band {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}
.band .r { color: var(--green); font-weight: 700; }
.cover-body {
  display: grid;
  grid-template-columns: 1fr 240px;
  border-bottom: 1px solid var(--ink);
}
.headline {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.32;
  margin: 0;
  padding: 56px 32px 64px 0;
}
.headline.sm { font-size: clamp(28px, 4.4vw, 48px); }
.pick {
  background: var(--green-bg);
  outline: 1.5px solid var(--green);
  outline-offset: 2px;
  padding: 0 4px;
  position: relative;
}
.pick::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 8%;
  height: 84%;
  width: 2px;
  background: var(--green);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .pick::after { animation: none; } }
.focus {
  border-left: 1px solid var(--ink);
  padding: 56px 0 32px 24px;
  font-size: 14px;
}
.focus .k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 12px;
}
.focus ul { list-style: none; margin: 0; padding: 0; }
.focus li { padding: 6px 0; border-bottom: 1px solid var(--line); font-weight: 600; }
.focus .n {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--green);
  margin-right: 10px;
}

/* ── Intro ─────────────────────────── */
.name { font-size: 40px; font-weight: 700; line-height: 1.3; margin: 48px 0 8px; }
.role { color: var(--green); font-weight: 700; margin: 0 0 16px; }
.intro {
  border-left: 3px solid var(--ink);
  padding-left: 16px;
  margin: 0;
  font-size: 17px;
}
.intro strong { display: block; margin-bottom: 4px; }

/* ── Facts (case page header) ──────── */
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 32px 0 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.facts p { margin: 0 0 4px; }
.facts .k { font-size: 12px; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 6px; }
.btn {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 14px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.btn:hover { background: var(--ink); color: var(--bg); }
.flow {
  margin: 24px 0 0;
  font-weight: 700;
  font-size: 15px;
}
figure { margin: 32px 0 0; }
figure img { width: 100%; border: 1px solid var(--line); background: var(--card); }
figcaption { font-size: 13px; color: var(--muted); margin-top: 8px; }

/* ── Sections ──────────────────────── */
section { margin-top: 56px; }
.label {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin: 0 0 24px;
}
.sec {
  display: grid;
  grid-template-columns: 32fr 68fr;
  gap: 48px;
  margin-top: 0;
  padding: 40px 0;
  border-top: 1px solid var(--line);
}
.sec-l .label { border: 0; padding: 0; margin: 0 0 10px; }
.sec-l h2 { font-size: 24px; line-height: 1.45; margin: 0 0 20px; }
.big {
  color: var(--green);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  margin: 20px 0 2px;
}
.cap { font-size: 13px; color: var(--muted); margin: 0 0 8px; }
.sec-r > *:first-child { margin-top: 0; }
.sec-r p { margin: 0 0 14px; }
.sec-r h3 { font-size: 18px; margin: 28px 0 10px; }
.sec-r ul, .sec-r ol { margin: 0 0 14px; padding-left: 20px; }
.sec-r li { margin-bottom: 4px; }
.note { font-size: 13px; color: var(--muted); }
.k-ok { font-weight: 700; color: var(--green); margin-right: 6px; }

.tbl { overflow-x: auto; margin: 0 0 16px; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}
th, td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--line);
}
th {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--ink);
}

details {
  margin: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
summary {
  cursor: pointer;
  padding: 12px 0;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; color: var(--green); font-weight: 700; margin-right: 10px; }
details[open] > summary::before { content: "−"; }
details > *:not(summary) { margin-top: 4px; }
details > :last-child { margin-bottom: 16px; }

/* ── Main page lists ───────────────── */
.grid-about { display: grid; grid-template-columns: 36fr 64fr; gap: 48px; }
.stat { margin-bottom: 28px; }
.stat h3 { color: var(--green); font-size: 24px; margin: 0 0 4px; }
.stat p { margin: 0; font-size: 15px; }
.stat .note { margin-top: 2px; }
.about-text h2 { font-size: 26px; line-height: 1.45; margin: 0 0 16px; }
.about-text p { margin: 0 0 14px; color: var(--sub); }
.projects-head h2 { font-size: 26px; margin: 0 0 6px; }
.projects-head p { color: var(--muted); margin: 0 0 8px; }
.list { border-top: 1px solid var(--ink); }
.row {
  display: grid;
  grid-template-columns: 68fr 32fr;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.row h3 { font-size: 21px; margin: 0 0 6px; }
.row h3 a { color: var(--green); text-decoration: none; }
.row h3 a:hover { text-decoration: underline; }
.row .key { font-weight: 700; margin: 0 0 6px; }
.row .desc { margin: 0; color: var(--sub); }
.thumb { display: block; margin-bottom: 12px; }
.thumb img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--line); }
.meta { font-size: 13px; color: var(--muted); }
.meta p { margin: 0 0 4px; }
.links { margin-top: 10px; }
.links a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
  margin-right: 14px;
  font-size: 14px;
}

/* ── Footer nav ────────────────────── */
.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 56px;
  padding: 24px 0 80px;
  border-top: 2px solid var(--ink);
  font-size: 15px;
}
.pager a { text-decoration: none; }
.pager a:hover { color: var(--green); }
.pager .k { display: block; font-size: 12px; letter-spacing: 0.12em; color: var(--muted); }
.pager .next { text-align: right; margin-left: auto; }
.contact { padding-bottom: 80px; }
.contact p { margin: 0 0 4px; }
.contact a { text-decoration: none; border-bottom: 1px solid var(--green); }

/* ── Mobile ────────────────────────── */
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .cover { padding-top: 24px; }
  .band { flex-direction: column; gap: 2px; }
  .cover-body { grid-template-columns: 1fr; }
  .headline { padding: 36px 0 32px; }
  .focus { border-left: 0; border-top: 1px solid var(--ink); padding: 20px 0; }
  .name { font-size: 30px; margin-top: 36px; }
  .grid-about, .row, .sec { grid-template-columns: 1fr; gap: 16px; }
  .facts { grid-template-columns: 1fr; gap: 16px; }
  section { margin-top: 44px; }
  .sec { padding: 32px 0; }
}