:root{
  --bg:#f3f4f1; --paper:#ffffff; --fg:#1d2320; --muted:#5d6762; --line:#d6dbd6;
  --accent:#1f6f5c; --accent-fg:#ffffff;
  --body:"Hiragino Sans","Yu Gothic UI","Yu Gothic","Meiryo",sans-serif;
  --mono:Consolas,"Courier New",monospace;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#151a18; --paper:#1e2522; --fg:#e6ebe8; --muted:#9aa6a0; --line:#34403b;
  --accent:#5cc2a6; --accent-fg:#10201b; color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.85}
a{color:var(--accent);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.wrap{max-width:760px;margin:0 auto;padding-inline:16px}
.site-head{background:var(--paper);border-bottom:1px solid var(--line)}
.head-row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;padding-block:14px 6px}
.site-name{font-weight:700;font-size:1.1rem;color:var(--fg);text-decoration:none}
.nav{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:15px}
.nav a{display:inline-block;padding-block:6px}
.elsewhere{display:flex;flex-wrap:wrap;gap:2px 14px;font-size:13px;color:var(--muted);padding-block:0 10px}
main{padding-block:24px 40px}
h1{font-size:1.5rem;line-height:1.5;margin:0 0 16px;text-wrap:balance}
.article h2{font-size:1.2rem;margin:40px 0 8px;padding-bottom:4px;border-bottom:1px solid var(--line)}
.article h3{font-size:1.05rem;margin:28px 0 6px}
p{margin:0 0 16px}
code{font-family:var(--mono);font-size:.9em;background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:0 4px}
figure{margin:24px 0}
figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:6px}
figcaption{color:var(--muted);font-size:13px;margin-top:6px}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.date{color:var(--muted);font-size:13px;margin:0 0 4px;font-variant-numeric:tabular-nums}
.lead{color:var(--muted)}
.posts,.items,.uses{list-style:none;margin:0;padding:0}
.post{border-bottom:1px solid var(--line);padding-block:16px}
.post>a{font-weight:700;font-size:1.05rem;display:block}
.post p{margin:4px 0 0;color:var(--muted);font-size:14px}
.box{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:16px;margin-top:24px}
.box-title{font-size:1rem;margin:0 0 6px}
.box p{margin:0 0 10px}
.links{display:flex;flex-wrap:wrap;gap:6px 16px}
.btn{display:inline-block;font:inherit;font-weight:700;font-size:15px;padding:10px 16px;min-height:44px;background:var(--accent);color:var(--accent-fg);border:0;border-radius:6px;text-decoration:none;cursor:pointer}
.item{display:grid;grid-template-columns:1fr auto;gap:8px 16px;align-items:center;border-bottom:1px solid var(--line);padding-block:14px}
.item>div{min-width:0}
.item p{margin:2px 0 0;color:var(--muted);font-size:14px}
.item-side{display:flex;align-items:center;gap:12px}
.price{font-weight:700;font-variant-numeric:tabular-nums}
.uses li{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.mail{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-family:var(--mono);overflow-wrap:anywhere}
.muted{color:var(--muted);font-size:14px}
.foot{color:var(--muted);font-size:13px;padding-block:16px 32px;border-top:1px solid var(--line)}
@media (max-width:520px){.item{grid-template-columns:1fr}}