:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #6b6b6b;
  --line: #e2e2e2;
  --soft: #f5f5f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --text: #f2f2f2;
    --muted: #9a9a9a;
    --line: #2a2a2a;
    --soft: #141414;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.7;
  word-break: keep-all;
}
main { max-width: 680px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 26px; margin: 8px 0 4px; }
h2 { font-size: 18px; margin: 32px 0 8px; padding-top: 16px; border-top: 1px dashed var(--line); }
a { color: inherit; }
img { max-width: 100%; }
.muted { color: var(--muted); font-size: 14px; }
.back { margin: 0; font-size: 14px; }
.back a { text-decoration: none; color: var(--muted); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 8px 6px; border-bottom: 1px solid var(--line); }
th { white-space: nowrap; }
ul { padding-left: 20px; }
.fill { background: #ffe58f; color: #111; padding: 0 4px; }
.links a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.links a:last-child { border-bottom: 0; }

/* 공통 */
.brand { font-weight: 700; font-size: 16px; letter-spacing: -0.2px; text-decoration: none; }
h2.label { border-top: 0; padding-top: 0; margin: 56px 0 16px; font-size: 14px; color: var(--muted); font-weight: 600; }
.lead { font-size: 17px; color: var(--muted); margin: 0; max-width: 30em; }
.store-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; }
.store-btn { display: inline-block; padding: 11px 18px; border-radius: 12px; background: var(--text); color: var(--bg); font-size: 15px; font-weight: 600; text-decoration: none; }
.store-btn.soon { background: transparent; color: var(--muted); border: 1px solid var(--line); font-weight: 400; }
.biz { margin-top: 72px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.8; }
.biz p { margin: 0; }
.biz a { color: var(--muted); }

/* 회사 첫 화면 */
.home { padding-top: 24px; }
.hero { padding: 64px 0 8px; }
.hero h1 { font-size: 40px; line-height: 1.25; letter-spacing: -1px; margin: 0 0 18px; }
.principles { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.principles li { background: var(--soft); border-radius: 18px; padding: 18px 20px; }
.principles strong { display: block; font-size: 17px; margin-bottom: 2px; }
.principles span { color: var(--muted); font-size: 15px; }
.app-list { display: grid; gap: 12px; }
.app-card { display: flex; align-items: center; gap: 16px; border: 1px solid var(--line); border-radius: 20px; padding: 18px 20px; text-decoration: none; }
.app-card:hover { background: var(--soft); }
.app-card > div { flex: 1; min-width: 0; }
.app-card h3 { margin: 0; font-size: 18px; line-height: 1.35; }
.app-card p { margin: 2px 0 0; }
.app-card .go { flex: none; color: var(--muted); font-size: 20px; }
.app-icon { width: 64px; height: 64px; border-radius: 15px; flex: none; border: 1px solid var(--line); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip { font-size: 12px; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.chip.on { border-color: var(--text); color: var(--text); }
.about p { margin: 0 0 12px; }

/* 앱 소개 */
.app-hero { padding: 40px 0 8px; }
.app-hero .app-icon { width: 88px; height: 88px; border-radius: 20px; }
.app-hero h1 { font-size: 34px; letter-spacing: -0.8px; margin: 20px 0 0; line-height: 1.3; }
.app-hero .sub { margin: 0 0 16px; color: var(--muted); }
.app-hero .lead { color: var(--text); font-size: 19px; }
.feature { display: grid; grid-template-columns: 1fr 210px; gap: 32px; align-items: center; padding: 40px 0; border-top: 1px solid var(--line); }
.feature:first-child { border-top: 0; padding-top: 8px; }
.feature:nth-of-type(even) { grid-template-columns: 210px 1fr; }
.feature:nth-of-type(even) .shot { order: -1; }
.feature h3 { font-size: 22px; line-height: 1.4; letter-spacing: -0.4px; margin: 0 0 10px; }
.feature p { margin: 0 0 8px; color: var(--muted); }
.feature ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 15px; }
.shot { width: 100%; height: auto; display: block; border-radius: 24px; border: 1px solid var(--line); }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.plan { border: 1px solid var(--line); border-radius: 20px; padding: 20px; }
.plan.pro { background: var(--soft); border-color: transparent; }
.plan h3 { margin: 0; font-size: 18px; }
.plan .price { margin: 2px 0 12px; font-size: 14px; color: var(--muted); }
.plan ul { margin: 0; padding-left: 18px; font-size: 15px; }
.plan li { padding: 2px 0; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }

@media (max-width: 560px) {
  .hero { padding: 40px 0 0; }
  .hero h1 { font-size: 32px; }
  .app-hero h1 { font-size: 30px; }
  .feature, .feature:nth-of-type(even) { grid-template-columns: 1fr; gap: 20px; padding: 32px 0; }
  .feature:nth-of-type(even) .shot { order: 0; }
  .feature .shot { width: 62%; margin: 0 auto; }
  .plans { grid-template-columns: 1fr; }
}