:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif; color: #30232e; background: #fff8f5; }
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.95; overflow-wrap: anywhere; }
header, main, footer { max-width: 780px; margin: auto; padding: 24px; }
header { padding-top: 36px; padding-bottom: 8px; }
header a { font-weight: 800; text-decoration: none; }
main { padding-top: 8px; }
h1 { font-size: clamp(26px, 6vw, 36px); line-height: 1.45; margin: 12px 0; }
h2 { font-size: 21px; margin-top: 34px; line-height: 1.6; }
h3, summary { font-size: 17px; font-weight: 700; }
a { color: #8b224a; text-underline-offset: 4px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #8b224a; outline-offset: 4px; }
p { margin: 12px 0; }
ul, ol { padding-left: 24px; }
li { margin: 8px 0; }
.lead, .notice { border-radius: 16px; background: #f7e9ee; padding: 18px 20px; }
.date, footer { color: #64525f; font-size: 14px; }
details { background: white; border: 1px solid #e8d6dd; border-radius: 14px; padding: 16px 20px; margin: 14px 0; }
summary { cursor: pointer; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer { border-top: 1px solid #e8d6dd; margin-top: 24px; padding-bottom: 44px; }
@media (max-width: 420px) { header, main, footer { padding-left: 20px; padding-right: 20px; } }