:root {
  --bg: #f2f5f1;
  --surface: #ffffff;
  --surface2: #eef2ed;
  --text: #16201a;
  --text2: #5f6a63;
  --line: #e1e7e0;
  --primary: #16a065;
  --primary-soft: #d7f2e3;
  --gold: #e8a22b;
  --radius: 22px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d110f;
    --surface: #171d19;
    --surface2: #222a25;
    --text: #e9eeea;
    --text2: #98a39b;
    --line: #29322c;
    --primary: #2fc47f;
    --primary-soft: #173a28;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}
a { color: var(--primary); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

header.top { padding: 18px 0; }
header.top .wrap { display: flex; align-items: center; gap: 10px; }
header.top a.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 18px; }
header.top img { width: 36px; height: 36px; border-radius: 10px; }
header.top nav { margin-left: auto; display: flex; gap: 14px; font-size: 14px; font-weight: 600; }
header.top nav a { color: var(--text2); text-decoration: none; }

.hero { text-align: center; padding: 28px 0 40px; }
.hero img.icon { width: 112px; height: 112px; border-radius: 28px; box-shadow: 0 12px 32px rgba(22, 160, 101, .25); }
.hero h1 { font-size: clamp(28px, 7vw, 42px); line-height: 1.25; margin: 22px 0 10px; letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--primary); }
.hero p { color: var(--text2); font-size: 17px; margin: 0 auto; max-width: 30em; }
.badge { display: inline-block; margin-top: 22px; padding: 12px 22px; border-radius: 999px; background: var(--text); color: var(--bg); font-weight: 700; text-decoration: none; }
.badge.soon { background: var(--surface2); color: var(--text2); }

section { padding: 12px 0 28px; }
section h2 { font-size: 22px; margin: 0 0 14px; letter-spacing: -0.01em; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.card { background: var(--surface); border-radius: var(--radius); padding: 18px 18px 16px; }
.card .emo { font-size: 26px; }
.card h3 { margin: 6px 0 4px; font-size: 17px; }
.card p { margin: 0; color: var(--text2); font-size: 15px; }

.privacy-box { background: var(--primary-soft); border-radius: var(--radius); padding: 20px; }
.privacy-box h2 { color: var(--primary); }
.privacy-box ul { margin: 0; padding-left: 20px; }

details { background: var(--surface); border-radius: 16px; padding: 14px 18px; margin-bottom: 10px; }
details summary { cursor: pointer; font-weight: 700; }
details p { margin: 10px 0 2px; color: var(--text2); }

footer { padding: 26px 0 40px; color: var(--text2); font-size: 14px; border-top: 1px solid var(--line); margin-top: 20px; }
footer a { color: var(--text2); }

/* policy page */
article.doc { background: var(--surface); border-radius: var(--radius); padding: 22px 20px; margin-bottom: 18px; }
article.doc h1 { font-size: 26px; margin: 0 0 4px; }
article.doc .meta { color: var(--text2); font-size: 14px; margin: 0 0 18px; }
article.doc h2 { font-size: 18px; margin: 26px 0 8px; }
article.doc p, article.doc li { font-size: 15.5px; }
article.doc ul { padding-left: 20px; }
article.doc table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
article.doc th, article.doc td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
article.doc th { color: var(--text2); font-weight: 600; white-space: nowrap; }
.lang-switch { display: flex; gap: 8px; margin: 4px 0 16px; }
.lang-switch a { padding: 6px 14px; border-radius: 999px; background: var(--surface2); color: var(--text); text-decoration: none; font-size: 14px; font-weight: 600; }