:root{--accent:#1f6f5c;--bg:#ffffff;--ink:#1f2328;--dim:#5b636e;--line:#e6e8eb;--soft:#f5f6f7;--link:#1f6f5c;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#141619;--ink:#e9ebee;--dim:#a7aeb8;--line:#2b2f35;--soft:#1c1f23;--link:color-mix(in srgb,#1f6f5c 55%,#ffffff)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Meiryo",sans-serif;font-size:16.5px;line-height:1.9;word-break:auto-phrase;text-wrap:pretty;overflow-wrap:break-word}
h1,h2,h3,h4{line-height:1.45;text-wrap:balance;overflow-wrap:anywhere}
a{color:var(--link)}
img{max-width:100%;height:auto}
.in{max-width:760px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:var(--bg);padding:6px 10px;z-index:9}
.site-h{border-top:4px solid var(--accent);border-bottom:1px solid var(--line)}
.site-h .in{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;padding-top:14px;padding-bottom:12px}
.site-name{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;line-height:1.4;margin-right:auto;overflow-wrap:anywhere}
.site-h nav{display:flex;flex-wrap:wrap;gap:2px 14px;font-size:14.5px}
.site-h nav a{color:var(--dim);text-decoration:none;padding:4px 0}
.site-h nav a:hover,.site-h nav a[aria-current]{color:var(--accent);text-decoration:underline}
main.in{padding-top:24px;padding-bottom:48px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.desc{color:var(--dim);font-size:15px;margin:0 0 20px;white-space:pre-line}
.list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.list a.card{display:grid;grid-template-columns:96px 1fr;gap:14px;color:inherit;text-decoration:none;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.list a.card:hover{border-color:var(--accent)}
.list a.card.noimg{grid-template-columns:1fr}
.thumb{width:96px;height:96px;border-radius:8px;overflow:hidden;background:var(--soft)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.card .t{display:block;font-weight:700;font-size:16.5px;line-height:1.5;text-wrap:balance;overflow-wrap:anywhere}
.card .m{display:block;font-size:13px;color:var(--dim);margin-top:2px}
.card .x{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;color:var(--dim);margin-top:4px;line-height:1.7}
.pager{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:26px 0 0;font-size:15px}
.pager .n{color:var(--dim);font-size:14px}
.pager a{padding:8px 0}
article header{margin-bottom:20px}
.date{color:var(--dim);font-size:14px;margin:0}
article h1{font-size:clamp(23px,5.4vw,32px);margin:4px 0 8px}
.cats{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 0;padding:0;list-style:none}
.cats a{display:inline-block;font-size:13px;border:1px solid var(--line);border-radius:999px;padding:1px 10px;text-decoration:none;color:var(--dim)}
.content{font-size:16.5px}
.content>*:first-child{margin-top:0}
.content p{margin:0 0 .4em;min-height:1em}
.content figure{margin:1.2em 0}
.content img{display:block;margin:1em auto;border-radius:4px}
.content a img{display:inline-block}
.content iframe{max-width:100%;border:0}
.content iframe.video{display:block;width:100%;height:auto;aspect-ratio:16/9;margin:1.2em 0}
.content blockquote{margin:1.2em 0;padding:8px 16px;border-left:4px solid var(--line);color:var(--dim)}
.content hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.content table{border-collapse:collapse;max-width:100%;display:block;overflow-x:auto}
.content td,.content th{border:1px solid var(--line);padding:4px 8px}
.content pre{overflow-x:auto;background:var(--soft);padding:12px;border-radius:8px}
.content .button,.content a.button{display:inline-block;background:var(--accent);color:#fff;padding:8px 18px;border-radius:999px;text-decoration:none}
.prevnext{display:grid;grid-template-columns:1fr;gap:10px;margin:36px 0 0;padding:16px 0 0;border-top:1px solid var(--line);font-size:15px}
.prevnext a{display:block;text-decoration:none;overflow-wrap:anywhere}
.prevnext span{display:block;font-size:12.5px;color:var(--dim)}
.catlist{margin:36px 0 0;padding-top:16px;border-top:1px solid var(--line)}
.catlist h2{font-size:16px;margin:0 0 8px}
.catlist ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14.5px}
.site-f{border-top:1px solid var(--line);color:var(--dim);font-size:13px;padding:18px 0 28px}
.site-f p{margin:0}
@media (min-width:640px){.list a.card{grid-template-columns:140px 1fr}.thumb{width:140px;height:105px}.prevnext{grid-template-columns:1fr 1fr}.prevnext .older{text-align:right}}
@media print{.site-h nav,.prevnext,.catlist,.pager{display:none}}