:root {
  --ink: #2a2a35;
  --muted: #5f5f6b;
  --pink: #f2668b;
  --pink-soft: #fff0f4;
  --cream: #fff6e5;
  --blue: #3d7de0;
  --line: #eadfce;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.9;
  font-size: 16px;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 28px 20px 64px; }
header { text-align: center; padding: 12px 0 8px; }
header img { width: 96px; height: 96px; border-radius: 22px; box-shadow: 0 8px 24px rgba(42,42,53,.14); }
h1 { font-size: 26px; line-height: 1.4; margin: 18px 0 4px; letter-spacing: .02em; }
.sub { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  margin: 16px 0;
}
h2 { font-size: 19px; margin: 26px 0 8px; }
h3 { font-size: 16px; margin: 18px 0 6px; }
p, li { color: #3b3b46; }
ul { padding-left: 1.3em; }
li { margin: 4px 0; }
a { color: var(--blue); }
.nav { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin: 8px 0 22px; }
.nav a {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}
.nav a.primary { background: var(--pink); border-color: var(--pink); color: #fff; }
.hero {
  background: var(--pink-soft);
  border: 1px solid #ffd7e1;
  border-radius: 24px;
  padding: 22px;
  text-align: center;
}
.hero p { margin: 6px 0; }
.hero .app { font-size: 20px; font-weight: 800; }
.notice { font-size: 13px; color: var(--muted); }
.faq { border-top: 1px dashed var(--line); padding-top: 14px; margin-top: 14px; }
.faq strong { display: block; margin-top: 14px; }
footer { text-align: center; color: var(--muted); font-size: 13px; margin-top: 30px; }
code { background: #f4f1ea; border-radius: 6px; padding: 1px 6px; font-size: .92em; }
@media (max-width: 480px) {
  h1 { font-size: 22px; }
  .wrap { padding: 20px 16px 48px; }
  .card { padding: 18px; }
}