:root {
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #242424;
  color: rgba(255, 255, 255, 0.87);
  font-family:
    system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, sans-serif;
  line-height: 1.95;
}
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
header.site {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 0.8rem;
  margin-bottom: 1.2rem;
}
.brand,
.brand a {
  font-size: 1.02rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
}
nav.crumbs {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1rem;
}
h1 {
  font-size: 1.7rem;
  line-height: 1.45;
  color: #fff;
  margin: 0.2rem 0 0.4rem;
}
.meta {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  margin-bottom: 1.4rem;
}
h2 {
  font-size: 1.25rem;
  color: #fff;
  margin: 2.4rem 0 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
h3 {
  font-size: 1.05rem;
  color: #fff;
  margin: 1.6rem 0 0.4rem;
}
p,
li {
  color: rgba(255, 255, 255, 0.84);
}
a {
  color: #646cff;
  text-decoration: none;
}
a:hover {
  color: #535bf2;
  text-decoration: underline;
}
.cta {
  display: inline-block;
  margin: 0.6rem 0;
  padding: 0.7rem 1.3rem;
  border-radius: 8px;
  background: #646cff;
  color: #fff;
  font-weight: 600;
}
.cta:hover {
  background: #535bf2;
  text-decoration: none;
}
.note {
  border: 1px dashed rgba(255, 255, 255, 0.25);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin: 1rem 0;
}
.muted {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
}
ul,
ol {
  padding-left: 1.3rem;
}
footer {
  margin-top: 3rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.9rem;
}
footer a {
  margin-right: 1.2rem;
}

/* Blog index (list of posts) */
.lead {
  color: rgba(255, 255, 255, 0.7);
}
ul.posts {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}
ul.posts li {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-bottom: 1rem;
}
ul.posts li h2 {
  font-size: 1.1rem;
  margin: 0 0 0.3rem;
  padding-top: 0;
  border-top: none;
}
ul.posts li h2 a {
  color: #fff;
}
ul.posts li p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}