:root {
  --color-primitive-blue-800: #0031d8;
  --color-primitive-blue-900: #0017c1;
  --color-primitive-light-blue-50: #f0f9ff;
  --color-primitive-light-blue-200: #c0e4ff;
  --color-neutral-white: #ffffff;
  --color-neutral-solid-gray-50: #f2f2f2;
  --color-neutral-solid-gray-100: #e6e6e6;
  --color-neutral-solid-gray-536: #767676;
  --color-neutral-solid-gray-600: #666666;
  --color-neutral-solid-gray-900: #1a1a1a;
  --font-family-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-14: 0.875rem;
  --font-size-16: 1rem;
  --font-size-20: 1.25rem;
  --font-size-24: 1.5rem;
  --font-size-28: 1.75rem;
  --font-weight-400: 400;
  --font-weight-700: 700;
  --line-height-170: 1.7;
  --border-radius-8: 0.5rem;
  --border-radius-12: 0.75rem;
  --border-radius-full: 624.9375rem;
  --elevation-1: 0 2px 8px 1px rgba(0,0,0,0.1), 0 1px 5px 0 rgba(0,0,0,0.3);
}

* {
  box-sizing: border-box;
}

body.markdown-page {
  margin: 0;
  font-family: var(--font-family-sans);
  font-size: var(--font-size-16);
  line-height: var(--line-height-170);
  color: var(--color-neutral-solid-gray-900);
  background: var(--color-neutral-white);
}

.site-nav {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 0.75rem 1.25rem 0;
}

.nav-link {
  display: inline-block;
  color: var(--color-primitive-blue-800);
  text-decoration: none;
  font-size: var(--font-size-14);
  margin-right: 1rem;
}

.nav-link:hover {
  text-decoration: underline;
}

.page-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
}

.content-card {
  border: 1px solid var(--color-neutral-solid-gray-100);
  border-radius: var(--border-radius-12);
  padding: 1.25rem;
}

.content-card h1 {
  font-size: var(--font-size-28);
  margin: 0 0 1rem;
}

.content-card h2 {
  font-size: var(--font-size-24);
  margin: 2rem 0 0.75rem;
}

.content-card h3 {
  font-size: var(--font-size-20);
  margin: 1.5rem 0 0.5rem;
}

.content-card p,
.content-card li {
  margin: 0 0 0.8rem;
}

.content-card a {
  color: var(--color-primitive-blue-800);
}

.content-card a:hover {
  color: var(--color-primitive-blue-900);
}

.content-card hr {
  border: 0;
  border-top: 1px solid var(--color-neutral-solid-gray-100);
  margin: 1.5rem 0;
}

.content-card img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-8);
}

.content-card table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: var(--font-size-14);
}

.content-card th,
.content-card td {
  border: 1px solid var(--color-neutral-solid-gray-100);
  padding: 0.5rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

.content-card th {
  background: var(--color-neutral-solid-gray-50);
  font-weight: var(--font-weight-700);
}

.site-footer {
  max-width: 800px;
  margin: 0 auto 1.5rem;
  padding: 0 1.25rem;
  color: var(--color-neutral-solid-gray-536);
  font-size: 0.8rem;
}

.site-footer a {
  color: var(--color-primitive-blue-800);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}