/* 소개 페이지와 문서 3개. 앱의 화이트 세이지 색을 그대로 쓴다(src/styles/tokens.css). 외부 글꼴과 스크립트는 쓰지 않는다 */
:root{
  --bg:#F5F7F4; --surface:#FFFFFF; --surface-2:#ECF0EB; --ink:#1D2420; --ink-soft:#56605A; --ink-faint:#858E87; --line:#DCE2DA;
  --mine:#4C7B54; --on-accent:#FFFFFF; --late:#AE4426;
  --edge:color-mix(in srgb,var(--line) 60%,var(--surface));
  --shadow:0 1px 2px rgba(24,36,27,.04),0 3px 12px rgba(24,36,27,.05);
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#121613; --surface:#191E1A; --surface-2:#222823; --ink:#E3E8E3; --ink-soft:#A3ADA5; --ink-faint:#7A847C; --line:#2E3530;
    --mine:#8DBB91; --on-accent:#102014; --late:#EE9470; --shadow:0 1px 2px rgba(0,0,0,.35)}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{word-break:keep-all;overflow-wrap:break-word;margin:0;background:var(--bg);color:var(--ink);font-family:"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",system-ui,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration-color:var(--ink-faint);text-underline-offset:3px}
a:hover{text-decoration-color:var(--ink)}
h1,h2,h3{line-height:1.3;margin:0;text-wrap:balance}
p{margin:0}
.wrap{width:min(1040px,100% - 32px);margin-inline:auto}
.prose{width:min(720px,100% - 32px);margin-inline:auto}

.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--edge)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px}
.brand{font-weight:700;font-size:18px;text-decoration:none}
.brand img{display:block;height:32px;width:auto}
.nav{display:flex;align-items:center;gap:16px;font-size:15px}
.nav a{text-decoration:none;color:var(--ink-soft)}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:12px;background:var(--mine);color:var(--on-accent)!important;font-weight:600;text-decoration:none!important}
.btn.sm{min-height:36px;padding:0 14px;font-size:14px;border-radius:10px}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)!important}
@media (max-width:480px){.nav a:not(.btn){display:none}.nav a[href^="mailto"]{display:inline}}

.hero{padding:72px 0 48px;text-align:center}
.hero h1{font-size:clamp(28px,6vw,44px);letter-spacing:-.01em}
.hero .lead{margin:16px auto 0;max-width:34em;color:var(--ink-soft);font-size:clamp(16px,2.4vw,19px)}
.hero .cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.hero .sub{margin-top:14px;color:var(--ink-faint);font-size:14px}

section{padding:48px 0}
section>.wrap>h2{font-size:clamp(22px,4vw,28px);margin-bottom:8px}
.sec-lead{color:var(--ink-soft);margin-bottom:28px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.card{background:var(--surface);border:1px solid var(--edge);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.card h3{font-size:17px;margin-bottom:6px}
.card p{color:var(--ink-soft);font-size:15px}
.card code{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;font-size:13px;background:var(--surface-2);padding:1px 6px;border-radius:6px}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;counter-reset:s}
.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--edge);border-radius:14px;padding:18px 18px 18px 18px;color:var(--ink-soft);font-size:15px}
.steps li::before{content:counter(s);display:block;font-weight:700;color:var(--ink);margin-bottom:4px}
.steps b{color:var(--ink)}

.tablewrap{overflow-x:auto;background:var(--surface);border:1px solid var(--edge);border-radius:14px;box-shadow:var(--shadow)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:15px}
th,td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--edge)}
tr:last-child th,tr:last-child td{border-bottom:0}
thead th{font-size:14px;color:var(--ink-soft);font-weight:600;white-space:nowrap}
tbody th{font-weight:600;color:var(--ink-soft);white-space:nowrap}
.price-note{margin-top:14px;color:var(--ink-soft);font-size:14px}
.price-note li{margin:2px 0}
ul.plain{margin:0;padding-left:1.2em}

.doc{padding:48px 0 72px}
.doc h1{font-size:clamp(26px,5vw,34px);margin-bottom:6px}
.doc .meta{color:var(--ink-faint);font-size:14px;margin-bottom:28px}
.doc h2{font-size:20px;margin:36px 0 10px}
.doc h3{font-size:16px;margin:20px 0 6px}
.doc p,.doc li{color:var(--ink-soft)}
.doc p+p{margin-top:10px}
.doc ul,.doc ol{margin:8px 0;padding-left:1.3em}
.doc li{margin:4px 0}
.doc .tablewrap{margin:14px 0}
.doc table{min-width:0;font-size:14px}
.doc table.wide{min-width:720px}
.doc tbody th,.doc thead th{white-space:normal}
.doc tbody th{width:7em}
.notice{border:1px solid var(--edge);border-radius:12px;padding:14px 16px;background:var(--surface);color:var(--ink)!important}
.todo{background:var(--surface-2);color:var(--late);border-radius:6px;padding:0 6px;font-size:.92em}

.foot{border-top:1px solid var(--edge);padding:28px 0 40px;color:var(--ink-soft);font-size:14px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 20px}
.foot-links a{text-decoration:none}
.foot-links a:hover{text-decoration:underline}
.biz{margin-top:16px}
.biz summary{cursor:pointer;color:var(--ink-soft)}
.biz dl{margin:10px 0 0;display:grid;gap:4px}
.biz dl div{display:flex;flex-wrap:wrap;gap:4px 12px}
.biz dt{min-width:9em;color:var(--ink-faint)}
.biz dd{margin:0}
.copy{margin-top:16px;color:var(--ink-faint)}

/* 요금: 폰은 요금제 카드, 넓은 화면은 표 */
.plans{display:grid;grid-template-columns:1fr;gap:12px}
.plan .pp{font-size:20px;font-weight:700;color:var(--ink);margin:2px 0 10px;line-height:1.4}
.plan li{color:var(--ink-soft);font-size:15px;margin:3px 0}
.wide-only{display:none}
@media (min-width:760px){
  .plans{display:none}
  .wide-only{display:block}
}