:root {
  --navy: #09234f; --blue: #384ce3; --white: #ffffff; --ink: #000000;
  --mint: #eff5f0; --rule: #e5e5e5; --quiet: #595959;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--white); color: var(--ink);
  font-family: "DM Sans", "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 16px; line-height: 1.75;
}
header { background: var(--navy); color: var(--white); padding: 48px 16px; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
header .wrap { padding: 0; }
.eyebrow { font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
header .eyebrow { opacity: 0.85; }
h1 { font-family: "Cormorant Garamond", serif; font-weight: 500; font-size: clamp(28px, 8vw, 40px); line-height: 1.1; margin: 12px 0 0; }
main { padding: 8px 0 48px; }
section { padding: 24px 0; border-bottom: 1px solid var(--rule); }
h2 { font-size: 18px; font-weight: 500; margin: 0 0 8px; }
.faq { margin: 16px 0 0; }
.qa { background: var(--mint); padding: 16px 20px; margin-bottom: 12px; }
.qa dt, .qa dd { display: flex; gap: 12px; margin: 0; }
.qa dt { font-weight: 500; }
.qa dd { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--rule); }
.mark { flex: none; width: 24px; height: 24px; margin-top: 2px; border-radius: 4px; background: var(--navy); color: var(--white);
  font-family: "IBM Plex Mono", monospace; font-size: 13px; line-height: 24px; text-align: center; }
.mark-a { background: var(--white); color: var(--blue); border: 1px solid var(--blue); line-height: 22px; }
p, ul { margin: 0 0 8px; }
ul { padding-left: 1.4em; }
a { color: var(--blue); }
.note { background: var(--mint); padding: 16px 20px; margin-top: 24px; }
.meta { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--quiet); }
footer { padding: 24px 0 48px; }