:root {
  --uchu-yin-1-raw: 91.87% 0.003 264.54;
  --uchu-yin-1: oklch(var(--uchu-yin-1-raw));
  --uchu-yin-2-raw: 84.61% 0.004 286.31;
  --uchu-yin-2: oklch(var(--uchu-yin-2-raw));
  --uchu-yin-3-raw: 76.89% 0.004 247.87;
  --uchu-yin-3: oklch(var(--uchu-yin-3-raw));
  --uchu-yin-4-raw: 69.17% 0.004 247.88;
  --uchu-yin-4: oklch(var(--uchu-yin-4-raw));
  --uchu-yin-5-raw: 61.01% 0.005 271.34;
  --uchu-yin-5: oklch(var(--uchu-yin-5-raw));
  --uchu-yin-6-raw: 52.79% 0.005 271.32;
  --uchu-yin-6: oklch(var(--uchu-yin-6-raw));
  --uchu-yin-7-raw: 43.87% 0.005 271.3;
  --uchu-yin-7: oklch(var(--uchu-yin-7-raw));
  --uchu-yin-8-raw: 35.02% 0.005 236.66;
  --uchu-yin-8: oklch(var(--uchu-yin-8-raw));
  --uchu-yin-9-raw: 25.11% 0.006 258.36;
  --uchu-yin-9: oklch(var(--uchu-yin-9-raw));
  --uchu-yin-raw: 14.38% 0.007 256.88;
  --uchu-yin: oklch(var(--uchu-yin-raw));
  --uchu-yang-raw: 99.4% 0 0;
  --uchu-yang: oklch(var(--uchu-yang-raw));
}

body {
  font-family: Verdana, sans-serif;
  margin: auto;
  padding: 20px;
  max-width: 720px;
  text-align: left;
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.5;
  background-color: var(--uchu-yin);
  color: var(--uchu-yin-1);
}

h1, h2, h3, h4, h5, h6, strong, b {
  color: var(--uchu-yin-1);
}

a {
  color: var(--solid-primary);
  text-decoration: underline;
}

.title {
  text-decoration: none;
  border: 0;
}

.title h1 {
  font-family: serif;
  font-style: italic;
  font-size: 3em;
  color: var(--uchu-yin-1);
}

.title span {
  font-weight: 400;
}

nav a {
  margin-right: 10px;
}

textarea {
  background-color: var(--uchu-yin-9);
  color: var(--uchu-yin-1);
  width: 100%;
  font-size: 16px;
  border: 1px solid var(--uchu-yin-5);
}

input {
  background-color: var(--uchu-yin-9);
  color: var(--uchu-yin-1);
  font-size: 16px;
  border: 1px solid var(--uchu-yin-5);
}

content {
  line-height: 1.6;
}

table {
  width: 100%;
}

table, th, td {
  border: 1px solid var(--uchu-yin-5);
  border-collapse: collapse;
  padding: 5px;
}

img {
  max-width: 100%;
  height: auto;
}

code {
  padding: 2px 5px;
  color: var(--uchu-yin-1);
  background-color: var(--uchu-yin-9);
  border: 1px solid var(--uchu-yin-6);
}

pre code {
  display: block;
  padding: 20px;
  white-space: pre-wrap;
  font-size: 14px;
  overflow-x: auto;
  text-wrap: nowrap;
}

blockquote {
  border-left: 1px solid var(--uchu-yin-5);
  color: var(--uchu-yin-2);
  padding-left: 20px;
  font-style: italic;
}

footer {
  padding: 25px;
  text-align: center;
}

.helptext {
  color: var(--uchu-yin-3);
  font-size: small;
}

.errorlist {
  color: var(--uchu-yin-3);
  font-size: small;
}

ul.blog-posts {
  list-style-type: none;
  padding: unset;
}

ul.blog-posts li {
  display: flex;
  margin-bottom: 5px;
}

ul.blog-posts li span {
  flex: 0 0 130px;
}

ul.blog-posts li a:visited {
  color: var(--solid-secondary);
}

a.blog-tags {
  line-height: 2;
  margin-right: 12px;
}

h3.blog-filter {
  margin-bottom: 0;
}

.disabled {
  color: currentColor;
  cursor: not-allowed;
  opacity: 0.7;
}

p.byline {
  font-style: italic;
}

.skip-link {
  position: absolute;
  top: 5;
  transform: translateY(-600%);
  transition: transform 0.5s;
  background-color: var(--uchu-yin);
  padding: 6px;
}

.skip-link:focus {
  transform: translateY(0%);
}

figure {
  margin-inline-start: 0em;
  margin-inline-end: 0em;
}

figcaption > p {
  margin-block-start: 0px;
  text-align: center;
  font-style: italic;
  color: var(--uchu-yin-3);
}

.video-container {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: -1;
}

#bv {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  opacity: 0;
  animation: fadeIn 0.5s ease-in-out forwards;
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

main {
  background-color: oklch(from var(--uchu-yin) calc(l + 0.05) c h / 0.6);
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  backdrop-filter: blur(5px);
  box-shadow: 0 2px 4px oklch(from var(--uchu-yin) l c h / 0.3);
}