:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: #f7f4f0;
  color: #1c1520;
  font-family: "Hiragino Sans", "Noto Sans JP", "Segoe UI", sans-serif;
  line-height: 1.75;
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: 20px;
  font-size: 14px;
}

.nav a {
  color: #5b21b6;
}

h1 {
  margin: 0 0 8px;
  font-size: 1.6rem;
  line-height: 1.35;
}

.lead,
.date {
  color: #5c5466;
  font-size: 0.95rem;
}

.list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.list li {
  border-top: 1px solid #ddd6e8;
}

.list a {
  display: block;
  padding: 14px 0;
  color: inherit;
  text-decoration: none;
}

.list a:hover .item-title {
  color: #5b21b6;
}

.item-date {
  display: block;
  font-size: 12px;
  color: #7a7186;
}

.item-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.article h1 {
  font-size: 1.45rem;
}

.article h2,
.article h3 {
  margin: 1.6em 0 0.5em;
  line-height: 1.4;
}

.article p,
.article ul {
  margin: 0.7em 0;
}

.article hr {
  border: 0;
  border-top: 1px solid #ddd6e8;
  margin: 2em 0;
}

.err {
  color: #9f1239;
}