@font-face { font-family: Inter; src: url('inter-latin.woff2') format('woff2'); font-display: swap; }
* { box-sizing: border-box; letter-spacing: 0; }
body { margin: 0; background: #faf8f6; color: #242938; font: 16px/1.65 Inter, Arial, sans-serif; }
header, main, footer { max-width: 920px; margin: auto; padding: 24px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #ddd; }
a { color: #264c72; text-underline-offset: 3px; overflow-wrap: anywhere; }
.brand { display: flex; align-items: center; gap: 10px; color: #20242c; font-size: 22px; font-weight: 700; text-decoration: none; }
h1 { font-size: 30px; line-height: 1.25; margin: 12px 0; }
.notice { font-size: 13px; color: #596170; }
label { display: block; margin-top: 24px; font-weight: 600; }
input { width: 100%; min-width: 0; padding: 13px; margin-top: 8px; border: 1px solid #bdc2c9; border-radius: 6px; font: inherit; background: white; color: #242938; }
.post-card { border-bottom: 1px solid #d9dce0; padding: 12px 0; }
summary { cursor: pointer; padding: 8px 0; }
summary span { color: #576373; font-size: 12px; display: block; }
summary b { font-size: 18px; }
summary small { display: block; font-size: 14px; color: #596170; }
.post-card p { font-size: 15px; overflow-wrap: anywhere; }
.post-card p:last-child { font-size: 13px; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid #264c72; outline-offset: 4px; }
@media(max-width: 500px) { header, main, footer { padding: 18px; } h1 { font-size: 26px; } }