/* Guide pages. Same palette and type as site/index.html. */
:root {
  --ink: #1A1F36; --muted: #667085; --line: #E6EAF1; --wash: #F4F8FA;
  --teal: #00C2A8; --teal-soft: #57BEA7; --shadow: rgba(26, 31, 54, 0.10);
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; background: #FFFFFF; color: var(--ink); }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased; font-size: 18px; line-height: 1.65;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
.dot { color: var(--teal); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 16px; }

header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -0.02em; text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 9px; box-shadow: 0 2px 8px var(--shadow); }
header nav { display: flex; align-items: center; gap: 18px; font-weight: 600; font-size: 15px; color: var(--muted); }
header nav a { text-decoration: none; }
header nav a:hover { color: var(--ink); }
header nav .btn { min-height: 40px; padding: 0 16px; font-size: 15px; background: var(--ink); color: #fff; }
@media (max-width: 480px) { header nav a[href="/#faq"] { display: none; } }

.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px;
  border-radius: 16px; font-weight: 700; font-size: 17px; text-decoration: none;
}
.btn-teal { background: var(--teal-soft); color: #fff; }
.btn-teal:hover { background: var(--teal); }
.btn-line { border: 2px solid var(--ink); color: var(--ink); }

.article { max-width: 760px; padding-top: 40px; padding-bottom: 64px; }
.crumbs { font-size: 14px; color: var(--muted); margin: 0 0 18px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
h1, h2, h3 { font-weight: 800; letter-spacing: -0.025em; line-height: 1.12; }
h1 { font-size: clamp(34px, 6vw, 52px); margin: 0 0 10px; }
h2 { font-size: 26px; margin: 44px 0 12px; }
h3 { font-size: 19px; margin: 26px 0 6px; letter-spacing: -0.01em; }
p, ul { margin: 0 0 16px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
.updated { font-size: 14px; color: var(--muted); }
.answer { font-size: 20px; line-height: 1.55; background: var(--wash); border-left: 4px solid var(--teal); border-radius: 0 14px 14px 0; padding: 18px 20px; margin: 24px 0 8px; }
.note { font-size: 14px; color: var(--muted); margin-top: 36px; }

.tbl { overflow-x: auto; margin: 0 0 14px; border: 1px solid var(--line); border-radius: 14px; }
table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 15px; line-height: 1.4; }
th, td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--line); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
thead th { font-size: 14px; }
.us { background: rgba(0, 194, 168, 0.08); font-weight: 600; }

.cta { margin-top: 56px; background: var(--ink); color: #fff; border-radius: 24px; padding: 32px 24px; }
.cta h2 { margin: 0 0 10px; font-size: 30px; }
.cta p { color: rgba(255, 255, 255, 0.78); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.cta .btn-line { border-color: #fff; color: #fff; }

.more ul, .cards { list-style: none; padding: 0; }
.more li { border-bottom: 1px solid var(--line); margin: 0; }
.more a { display: block; padding: 14px 0; font-weight: 600; text-decoration: none; }
.more a:hover { color: var(--teal); }
.cards { display: grid; gap: 14px; margin-top: 28px; }
.cards a { display: block; padding: 20px 22px; border: 1px solid var(--line); border-radius: 18px; text-decoration: none; }
.cards a:hover { border-color: var(--teal); }
.cards b { display: block; font-size: 19px; line-height: 1.3; margin-bottom: 6px; }
.cards span { display: block; font-size: 15px; color: var(--muted); line-height: 1.5; }

footer { border-top: 1px solid var(--line); padding: 32px 0 40px; }
footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
footer p { margin: 0; font-size: 14px; color: var(--muted); }
footer p a { text-decoration: none; }
footer p a:hover { color: var(--ink); }