:root { --fg: #222; --muted: #666; --line: #e3e3e3; --bg: #fafaf8; --link: #1a5a8a; }
* { box-sizing: border-box; }
html { font-size: 17px; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: Georgia, "Times New Roman", serif; line-height: 1.65; }
header, main, footer { max-width: 40rem; margin: 0 auto; padding: 0 1.2rem; }
header { padding-top: 2.2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
header .title { font-size: 1.5rem; font-weight: bold; text-decoration: none; color: var(--fg); letter-spacing: .01em; }
header nav { margin-top: .4rem; font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: .85rem; }
header nav a { margin-right: 1rem; }
a { color: var(--link); }
main { padding-top: 1.6rem; padding-bottom: 2.4rem; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: .2rem 0 .3rem; }
h2 { font-size: 1.15rem; margin-top: 1.8rem; }
.meta { color: var(--muted); font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: .8rem; margin-bottom: 1.4rem; }
ul.posts { list-style: none; padding: 0; margin: 0; }
ul.posts li { padding: .9rem 0; border-bottom: 1px solid var(--line); }
ul.posts .date { display: block; color: var(--muted); font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: .78rem; }
ul.posts a.t { font-size: 1.12rem; text-decoration: none; }
ul.posts a.t:hover { text-decoration: underline; }
ul.posts p { margin: .25rem 0 0; color: #444; font-size: .95rem; }
pre, code { font-family: Consolas, Menlo, "DejaVu Sans Mono", monospace; font-size: .86rem; }
pre { background: #f0efeb; border: 1px solid var(--line); border-radius: 4px; padding: .8rem 1rem; overflow-x: auto; line-height: 1.5; }
code { background: #f0efeb; padding: .05rem .3rem; border-radius: 3px; }
pre code { background: none; padding: 0; }
footer { padding-top: 1rem; padding-bottom: 2.5rem; border-top: 1px solid var(--line); color: var(--muted); font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: .78rem; }
.back { font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: .85rem; }
@media (max-width: 480px) { html { font-size: 16px; } }