:root{
  --bg:#f4f1ea;
  --paper:#fffdf8;
  --text:#24221f;
  --muted:#777168;
  --line:#ded8ce;
  --accent:#8b4a2f;
  --accent-soft:#f1e3da;
  --code:#1f2328;
  --shadow:0 10px 28px rgba(55,45,35,.06);
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Georgia,"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  line-height:1.85;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
code,kbd,pre,.mono{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
.site-header{
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.header-inner{
  width:min(calc(100% - 32px),var(--max));
  margin:auto;
  padding:30px 0 24px;
}
.brand-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
}
.brand{
  color:var(--text);
  font-size:34px;
  font-weight:700;
  letter-spacing:-.03em;
}
.brand:hover{text-decoration:none}
.tagline{
  margin-top:4px;
  color:var(--muted);
  font-size:14px;
}
.nav{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:14px;
}
.nav a{color:var(--muted)}
.nav a:hover{color:var(--accent);text-decoration:none}
.layout{
  width:min(calc(100% - 32px),var(--max));
  margin:34px auto 56px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:34px;
}
.main-column{min-width:0}
.panel{
  background:var(--paper);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.intro{
  padding:28px 30px;
  margin-bottom:24px;
}
.intro h1{
  margin:0 0 8px;
  font-size:30px;
  line-height:1.35;
}
.intro p{margin:0;color:var(--muted)}
.post-list{border-top:1px solid var(--line)}
.post-item{
  padding:26px 0;
  border-bottom:1px solid var(--line);
}
.post-item:first-child{padding-top:0}
.post-date{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.03em;
}
.post-item h2{
  margin:4px 0 6px;
  font-size:25px;
  line-height:1.45;
}
.post-item h2 a{color:var(--text)}
.post-item h2 a:hover{color:var(--accent);text-decoration:none}
.post-summary{
  margin:0 0 10px;
  color:#555048;
}
.meta{
  color:var(--muted);
  font-family:ui-sans-serif,system-ui,sans-serif;
  font-size:13px;
}
.sidebar{display:flex;flex-direction:column;gap:18px}
.sidebar .box{
  background:var(--paper);
  border:1px solid var(--line);
  padding:20px;
}
.sidebar h3{
  margin:0 0 12px;
  font-size:16px;
}
.sidebar p,.sidebar li{
  color:var(--muted);
  font-size:14px;
}
.sidebar ul{
  margin:0;
  padding-left:18px;
}
.sidebar .domain{
  display:block;
  padding:10px 12px;
  background:#f7f3ec;
  border:1px dashed var(--line);
  color:var(--text);
  font-size:13px;
}
.tag{
  display:inline-block;
  margin:4px 6px 0 0;
  padding:2px 8px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--muted);
  font-family:ui-sans-serif,system-ui,sans-serif;
  font-size:12px;
}
.article{
  background:var(--paper);
  border:1px solid var(--line);
  padding:42px 48px 50px;
  box-shadow:var(--shadow);
}
.article-header{
  padding-bottom:22px;
  margin-bottom:28px;
  border-bottom:1px solid var(--line);
}
.article h1{
  margin:0 0 10px;
  font-size:36px;
  line-height:1.3;
  letter-spacing:-.02em;
}
.article h2{
  margin:40px 0 10px;
  padding-top:6px;
  font-size:24px;
  line-height:1.45;
}
.article h3{
  margin:28px 0 8px;
  font-size:19px;
}
.article p{margin:15px 0}
.article ul,.article ol{padding-left:1.4em}
.article blockquote{
  margin:22px 0;
  padding:12px 20px;
  border-left:4px solid var(--accent);
  background:#faf6ef;
  color:#5d554c;
}
.article pre{
  overflow:auto;
  padding:18px 20px;
  background:var(--code);
  color:#f6f8fa;
  border-radius:8px;
  line-height:1.65;
  font-size:14px;
}
.article :not(pre)>code{
  padding:.12em .34em;
  background:#f1ede5;
  border-radius:4px;
  font-size:.92em;
}
.article .note{
  background:#f8f4ec;
  border:1px solid var(--line);
  padding:16px 18px;
  color:#5f574e;
}
.article-nav{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding-top:26px;
  margin-top:42px;
  border-top:1px solid var(--line);
  font-size:14px;
}
.archive-year{
  margin:28px 0 10px;
  font-size:24px;
}
.archive-list{
  list-style:none;
  padding:0;
  margin:0;
}
.archive-list li{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:18px;
  padding:10px 0;
  border-bottom:1px dashed var(--line);
}
.archive-list time{
  color:var(--muted);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:12px;
}
.site-footer{
  border-top:1px solid var(--line);
  background:var(--paper);
}
.footer-inner{
  width:min(calc(100% - 32px),var(--max));
  margin:auto;
  padding:24px 0 34px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  color:var(--muted);
  font-family:ui-sans-serif,system-ui,sans-serif;
  font-size:13px;
}
.skip-link{
  position:absolute;
  left:-9999px;
}
.skip-link:focus{
  left:12px;
  top:12px;
  z-index:100;
  padding:8px 12px;
  background:var(--paper);
  border:1px solid var(--line);
}
@media(max-width:850px){
  .layout{grid-template-columns:1fr}
  .sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:620px){
  .brand-row{align-items:flex-start;flex-direction:column}
  .brand{font-size:29px}
  .layout{margin-top:22px}
  .article{padding:28px 22px 36px}
  .article h1{font-size:30px}
  .sidebar{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
  .archive-list li{grid-template-columns:1fr;gap:2px}
}