:root { color: #171916; background: #eee9dd; font-family: "Noto Sans JP", "Yu Gothic", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { width: min(860px, calc(100% - 40px)); margin-inline: auto; }
header { display: flex; justify-content: space-between; align-items: center; padding: 30px 0; border-bottom: 1px solid #c8c1b2; }
header a { color: inherit; text-decoration: none; }
header strong { font-family: ui-monospace, monospace; letter-spacing: .05em; }
main { padding: 70px 0 100px; }
h1 { margin: 0 0 48px; font-size: clamp(32px, 6vw, 54px); line-height: 1.25; }
h2 { margin: 48px 0 12px; font-size: 20px; }
p, li, dd, dt { font-size: 14px; line-height: 2; }
dl { display: grid; grid-template-columns: 180px 1fr; margin: 30px 0; border-top: 1px solid #c8c1b2; }
dt, dd { margin: 0; padding: 16px 0; border-bottom: 1px solid #c8c1b2; }
dt { color: #62645d; }
a { color: #276654; text-underline-offset: 4px; }
.note { padding: 18px; border-left: 3px solid #347461; background: rgba(52,116,97,.08); }
footer { padding: 30px 0 50px; color: #73766f; border-top: 1px solid #c8c1b2; font-size: 12px; }
@media (max-width: 620px) { dl { grid-template-columns: 1fr; } dt { padding-bottom: 2px; border-bottom: 0; } dd { padding-top: 2px; } }