:root {
  --bg:       #FAFAF8;
  --bg-2:     #F2EFE9;
  --surface:  #FFFFFF;
  --brand:    #5B21B6;
  --brand-l:  #7C3AED;
  --brand-bg: #F3EEFF;
  --ink:      #0D0B1A;
  --ink-60:   rgba(13,11,26,.6);
  --ink-30:   rgba(13,11,26,.3);
  --ink-08:   rgba(13,11,26,.08);
  --gold:     #C4A55A;
  --ff-d: 'Fraunces', 'Noto Serif KR', Georgia, serif;
  --ff-b: 'Instrument Sans', 'Noto Sans KR', -apple-system, sans-serif;
  --mw: 760px;
  --px: clamp(20px,5vw,80px);
}
body.lang-ja { --ff-d:'Fraunces','Noto Serif JP',Georgia,serif; --ff-b:'Instrument Sans','Noto Sans JP',-apple-system,sans-serif; }
body.lang-zh { --ff-d:'Fraunces','Noto Serif SC',Georgia,serif; --ff-b:'Instrument Sans','Noto Sans SC',-apple-system,sans-serif; }

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; overflow-x:hidden; }
body { font-family:var(--ff-b); font-weight:400; color:var(--ink); background:var(--bg); overflow-x:hidden; line-height:1.75; }
a { color:var(--brand); text-decoration:none; }
a:hover { text-decoration:underline; }

/* ── Nav ── */
nav {
  position:fixed; top:0; left:0; right:0; z-index:500;
  height:66px; padding:0 var(--px);
  display:flex; align-items:center; justify-content:space-between;
  background:rgba(250,250,248,.88);
  backdrop-filter:blur(20px) saturate(1.2);
  -webkit-backdrop-filter:blur(20px) saturate(1.2);
  border-bottom:1px solid var(--ink-08);
}
.nav-logo {
  display:flex; align-items:center; gap:10px;
  font-family:var(--ff-d); font-size:15px; font-weight:500; letter-spacing:.5px;
  color:var(--ink); text-decoration:none;
}
.nav-logo:hover { text-decoration:none; }
.nav-logo img { width:28px; height:28px; border-radius:8px; object-fit:cover; }
.nav-right { display:flex; align-items:center; gap:14px; }

/* Lang switcher */
.lang-sw { position:relative; }
.lang-btn {
  display:flex; align-items:center; gap:6px;
  background:none; border:1px solid var(--ink-08); border-radius:24px;
  padding:6px 14px; color:var(--ink-60);
  font-family:var(--ff-b); font-size:12px; cursor:pointer; transition:all .2s;
}
.lang-btn:hover { border-color:var(--ink-30); color:var(--ink); }
.lang-btn svg { width:9px; height:9px; transition:transform .2s; }
.lang-btn.open svg { transform:rotate(180deg); }
.lang-menu {
  position:absolute; top:calc(100% + 8px); right:0;
  background:var(--surface);
  border:1px solid var(--ink-08); border-radius:12px;
  padding:6px; min-width:190px; display:none; z-index:100;
  box-shadow:0 16px 48px rgba(13,11,26,.12);
}
.lang-menu.open { display:block; }
.lang-menu button {
  display:block; width:100%; padding:9px 14px;
  background:none; border:none; color:var(--ink-60);
  font-family:var(--ff-b); font-size:13px;
  text-align:left; cursor:pointer; border-radius:8px; transition:all .15s;
}
.lang-menu button:hover { background:var(--brand-bg); color:var(--brand); }
.lang-menu button.active { color:var(--brand); font-weight:500; }

/* ── Page ── */
.page-wrap {
  max-width:var(--mw);
  margin:0 auto;
  padding:calc(66px + 64px) var(--px) 96px;
}
.page-label {
  display:inline-block;
  font-family:var(--ff-b); font-size:11px; font-weight:500;
  letter-spacing:1.5px; text-transform:uppercase;
  color:var(--brand); background:var(--brand-bg);
  padding:5px 14px; border-radius:20px;
  margin-bottom:20px;
}
.page-title {
  font-family:var(--ff-d); font-size:clamp(32px,5vw,48px); font-weight:400;
  line-height:1.15; letter-spacing:-.5px;
  color:var(--ink); margin-bottom:12px;
}
.page-meta {
  font-size:13px; color:var(--ink-60);
  margin-bottom:56px;
  padding-bottom:32px;
  border-bottom:1px solid var(--ink-08);
}

/* ── Content ── */
.doc-body h2 {
  font-family:var(--ff-d); font-size:22px; font-weight:500;
  color:var(--ink); margin:52px 0 16px;
}
.doc-body h3 {
  font-size:15px; font-weight:500;
  color:var(--ink); margin:28px 0 10px;
}
.doc-body p {
  font-size:15px; color:var(--ink-60);
  margin-bottom:14px;
}
.doc-body ul, .doc-body ol {
  padding-left:20px; margin-bottom:14px;
}
.doc-body li {
  font-size:15px; color:var(--ink-60);
  margin-bottom:6px;
}
.doc-body strong { color:var(--ink); font-weight:500; }

/* ── Warning Box (terms-of-service) ── */
.warning-box {
  background:#FFF8E1;
  border:1px solid rgba(196,165,90,.3);
  border-left:3px solid var(--gold);
  border-radius:8px;
  padding:16px 20px;
  margin:20px 0;
}
.warning-box p { color:var(--ink); font-size:14px; margin-bottom:0; }

/* ── Table ── */
.doc-body table {
  width:100%; border-collapse:collapse;
  margin:20px 0 28px; font-size:14px;
  border-radius:12px; overflow:hidden;
  border:1px solid var(--ink-08);
}
.doc-body th {
  background:var(--bg-2); color:var(--ink);
  font-weight:500; font-size:12px; text-transform:uppercase; letter-spacing:.5px;
  padding:12px 16px; text-align:left;
  border-bottom:1px solid var(--ink-08);
}
.doc-body td {
  padding:12px 16px; color:var(--ink-60);
  border-bottom:1px solid var(--ink-08); vertical-align:top;
}
.doc-body tr:last-child td { border-bottom:none; }
.doc-body tr:nth-child(even) td { background:rgba(13,11,26,.015); }

/* ── Contact Box ── */
.contact-box {
  margin-top:40px;
  background:var(--brand-bg);
  border:1px solid rgba(91,33,182,.15);
  border-radius:16px;
  padding:28px 32px;
}
.contact-box p { color:var(--ink-60); margin-bottom:10px; }
.contact-box p:last-child { margin-bottom:0; }
.contact-box a { color:var(--brand); font-weight:500; }

/* ── Footer ── */
footer {
  border-top:1px solid var(--ink-08);
  padding:32px var(--px);
  display:flex; align-items:center; justify-content:space-between;
  flex-wrap:wrap; gap:12px;
  font-size:13px; color:var(--ink-60);
}
footer a { color:var(--ink-60); }
footer a:hover { color:var(--brand); text-decoration:none; }
.footer-links { display:flex; gap:20px; }

/* ── Responsive ── */
@media(max-width:640px) {
  nav { height:56px; padding:0 16px; }
  .page-wrap { padding:calc(56px + 36px) 20px 64px; }
  .doc-body h2 { font-size:19px; margin:40px 0 12px; }
  .doc-body table { display:block; overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .contact-box { padding:20px 18px; }
  .page-meta { margin-bottom:40px; padding-bottom:24px; }
  .lang-menu { right:-8px; min-width:172px; }
  footer { flex-direction:column; align-items:flex-start; }
}
@media(max-width:480px) {
  .page-title { font-size:28px; }
  .doc-body p, .doc-body li { font-size:14px; }
  .doc-body h3 { font-size:14px; }
  .footer-links { gap:12px; flex-wrap:wrap; }
}