* { box-sizing: border-box; }
body {
    margin: 0;
    color: #222;
    background: #fff;
    font: 16px/1.6 system-ui, sans-serif;
}
a { color: #1769aa; text-decoration: none; }
a:hover { text-decoration: underline; }
.site-header { border-bottom: 1px solid #ddd; }
.header-content {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    padding: 20px 24px;
}
.site-title {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #222;
    font-size: 24px;
}
nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
main {
    max-width: 760px;
    margin: 0 auto;
    padding: 24px 24px 48px;
}
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 16px; }
time { color: #666; font-size: 14px; }
.post-list { list-style: none; padding: 0; }
.post-list li { margin-bottom: 24px; }
.post-list time { display: block; }
.post-list a { font-size: 22px; }
.post-content { margin-top: 24px; overflow-wrap: break-word; }
.post-content img { max-width: 100%; height: auto; }
.post-content pre { overflow-x: auto; }