:root {
  --bg: #f6faf9;
  --surface: #ffffff;
  --text: #17302b;
  --muted: #5d726d;
  --line: #dfe9e6;
  --accent: #1f9c84;
  --accent-soft: #e2f5f0;
  --shadow: 0 10px 30px rgba(23, 48, 43, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101816;
    --surface: #182421;
    --text: #e8f1ef;
    --muted: #9db0ab;
    --line: #26352f;
    --accent: #5ad3ba;
    --accent-soft: #1b322d;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

/* 머리말 */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.top nav { display: flex; gap: 18px; font-size: 15px; }
.top nav a { color: var(--muted); }
.top nav a[aria-current="page"] { color: var(--text); font-weight: 600; }

/* 첫 화면 */
.hero { text-align: center; padding: 44px 0 28px; }
.hero .icon { width: 112px; height: 112px; border-radius: 25px; box-shadow: var(--shadow); }
.hero h1 { font-size: clamp(34px, 6vw, 52px); line-height: 1.2; letter-spacing: -0.02em; margin: 22px 0 10px; }
.hero p.lead { font-size: clamp(17px, 2.4vw, 20px); color: var(--muted); max-width: 560px; margin: 0 auto; }
.get { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 26px; }
.pill {
  display: inline-flex; flex-direction: column; align-items: flex-start;
  padding: 10px 18px; border-radius: 14px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); font-size: 15px; line-height: 1.35; text-align: left;
}
.pill small { color: var(--muted); font-size: 12.5px; }
a.pill { border-color: var(--accent); }
a.pill:hover { text-decoration: none; background: var(--accent-soft); }

/* 화면 모음 */
.shots {
  display: flex; gap: 16px; overflow-x: auto; padding: 8px 20px 24px; margin: 20px -20px 0;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
}
.shots img {
  flex: 0 0 auto; width: 239px; height: 520px; border-radius: 22px; box-shadow: var(--shadow);
  scroll-snap-align: center; background: var(--surface);
}
.wide { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 8px; }
.wide img { width: 100%; height: auto; border-radius: 22px; box-shadow: var(--shadow); display: block; }

section { padding: 34px 0; }
h2 { font-size: clamp(24px, 3.6vw, 30px); line-height: 1.3; letter-spacing: -0.01em; margin: 0 0 6px; }
.sub { color: var(--muted); margin: 0 0 22px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* 글 페이지 */
.doc { padding: 20px 0 40px; }
.doc h1 { font-size: clamp(28px, 5vw, 38px); line-height: 1.25; letter-spacing: -0.02em; margin: 18px 0 6px; }
.doc h2 { font-size: 21px; margin: 36px 0 10px; }
.doc .meta { color: var(--muted); font-size: 15px; margin: 0 0 22px; }
.doc ul { padding-left: 1.2em; margin: 8px 0; }
.doc li { margin: 4px 0; }
.note { background: var(--accent-soft); border-radius: 14px; padding: 16px 18px; }
.note p { margin: 0; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 15.5px; margin: 10px 0; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 14px 0 6px; }
.contact .card a { font-weight: 600; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 600; }
details p, details ul { color: var(--muted); margin: 10px 0 2px; }

footer { border-top: 1px solid var(--line); margin-top: 30px; padding: 24px 0 40px; color: var(--muted); font-size: 14.5px; }
footer .links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 8px; }
footer a { color: var(--muted); }