:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif; color: #333333; background: #F7F5F0; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: .25em; }
a:hover { color: #666; }
a:focus-visible { outline: 2px solid #444; outline-offset: 6px; }
.wrap { width: min(100% - 48px, 720px); margin-inline: auto; }
.site-header { padding-block: 48px 36px; border-bottom: 1px solid #e8e8e8; }
.site-name { font-size: 1.05rem; font-weight: 600; text-decoration: none; letter-spacing: .04em; }
main { padding-block: 52px 64px; }
h1 { margin: 0 0 18px; font-size: clamp(1.65rem, 4.6vw, 2.1rem); line-height: 1.55; font-weight: 600; overflow-wrap: anywhere; }
.meta { color: #6b6b6b; font-size: .85rem; line-height: 1.7; }
.article-list { list-style: none; padding: 0; margin: 38px 0 0; }
.article-list li { border-top: 1px solid #e8e8e8; padding-block: 25px; }
.article-list li:last-child { border-bottom: 1px solid #e8e8e8; }
.article-list a { display: inline-block; font-size: 1.2rem; line-height: 1.65; text-decoration: none; }
.article-list time { display: block; margin-top: 8px; }
.prose { margin-top: 42px; font-size: 1.0625rem; line-height: 2; overflow-wrap: anywhere; line-break: strict; }
.prose p { margin: 0 0 1.65em; }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; border-top: 1px solid #e8e8e8; margin-top: 52px; padding-top: 28px; font-size: .9rem; line-height: 1.8; }
.article-nav a:last-child { text-align: right; }
.back { margin-top: 36px; font-size: .9rem; }
.site-footer { padding-block: 28px 40px; border-top: 1px solid #e8e8e8; color: #6b6b6b; font-size: .85rem; }
@media (max-width: 480px) { .wrap { width: calc(100% - 40px); } .site-header { padding-block: 30px 25px; } main { padding-block: 36px 48px; } .prose { margin-top: 32px; } .article-nav { grid-template-columns: 1fr; gap: 18px; } .article-nav a:last-child { text-align: left; } }