* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  background: #0d0d0d;
  color: #ddd;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

header.site {
  text-align: center;
  padding-bottom: 24px;
  border-bottom: 1px solid #222;
  margin-bottom: 32px;
}

.logo {
  font-size: 36px;
  font-weight: 700;
  color: #F36C21;
  letter-spacing: 4px;
}

.tagline {
  color: #888;
  font-size: 14px;
  margin-top: 4px;
}

h1 {
  color: #fff;
  font-size: 26px;
  margin-bottom: 8px;
}

.updated {
  color: #666;
  font-size: 13px;
  margin-bottom: 32px;
}

h2 {
  color: #F36C21;
  font-size: 18px;
  font-weight: 700;
  margin-top: 36px;
  margin-bottom: 12px;
  padding-top: 8px;
}

h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-top: 18px;
  margin-bottom: 6px;
}

p, li {
  color: #ccc;
  font-size: 15px;
  margin-bottom: 10px;
}

ul, ol {
  margin-left: 22px;
  margin-bottom: 12px;
}

li {
  margin-bottom: 6px;
}

strong {
  color: #fff;
  font-weight: 700;
}

a {
  color: #F36C21;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 18px;
  font-size: 14px;
}

th, td {
  border: 1px solid #333;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  color: #ccc;
}

th {
  background: #1a1a1a;
  color: #fff;
  font-weight: 600;
}

.nav-links {
  text-align: center;
  margin: 24px 0;
}

.nav-links a {
  display: inline-block;
  padding: 10px 18px;
  margin: 0 6px;
  border: 1px solid #F36C21;
  border-radius: 30px;
  color: #F36C21;
}

.nav-links a:hover {
  background: #F36C21;
  color: #fff;
  text-decoration: none;
}

footer.site {
  text-align: center;
  padding-top: 40px;
  margin-top: 40px;
  border-top: 1px solid #222;
  color: #555;
  font-size: 12px;
}

.note {
  background: #1a1a1a;
  border-left: 3px solid #F36C21;
  padding: 12px 16px;
  border-radius: 4px;
  margin: 14px 0;
  font-size: 14px;
  color: #bbb;
}