:root{--bg:#faf8f3;--fg:#2b2b2b;--muted:#8a8378;--accent:#b5452f;--line:#e6e0d4}
@media (prefers-color-scheme:dark){:root{--bg:#1c1b19;--fg:#e8e4dc;--muted:#9a9488;--accent:#e07a5f;--line:#33302b}}
*{box-sizing:border-box}
html{font-size:17px}
body{margin:0;background:var(--bg);color:var(--fg);font-family:"Hiragino Sans","Noto Sans JP","PingFang SC",system-ui,-apple-system,sans-serif;line-height:1.8}
.wrap{max-width:680px;margin:0 auto;padding:4rem 1.5rem 3rem}
header{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:1rem;margin-bottom:3rem}
.logo{font-weight:700;letter-spacing:.08em;color:var(--fg);text-decoration:none}
.logo span{color:var(--accent)}
nav a{color:var(--muted);text-decoration:none;margin-left:1.2rem;font-size:.9rem}
nav a:hover,a:hover{color:var(--accent)}
h1{font-size:1.6rem;margin:.2rem 0 1rem;letter-spacing:.02em}
h2{font-size:1.15rem;margin:2.2rem 0 .6rem}
.lead{color:var(--muted)}
ul.posts{list-style:none;padding:0;margin:0}
ul.posts li{display:flex;gap:1.2rem;padding:.7rem 0;border-bottom:1px dashed var(--line)}
ul.posts time{color:var(--muted);font-variant-numeric:tabular-nums;min-width:6.5rem;font-size:.9rem}
ul.posts a{color:var(--fg);text-decoration:none}
a{color:var(--accent)}
pre{background:rgba(127,127,127,.08);padding:1rem;border-radius:6px;overflow-x:auto;font-size:.85rem;line-height:1.6}
code{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;font-size:.9em}
.meta{color:var(--muted);font-size:.85rem}
.hanko{display:inline-block;border:2px solid var(--accent);color:var(--accent);border-radius:4px;padding:0 .35rem;font-size:.8rem;transform:rotate(-4deg);margin-left:.4rem}
footer{margin-top:4rem;padding-top:1rem;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem;display:flex;justify-content:space-between}