btrc-hub/frontend/src/index.css

@import "@fontsource-variable/noto-sans-jp";

@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base
{
  body
  {
    @apply overflow-x-clip;
  }

  a
  {
    @apply text-blue-700 dark:text-blue-300;
  }
  a:hover
  {
    @apply text-blue-500 dark:text-blue-100;
  }
}

:root
{
  font-family: "Noto Sans JP Variable", system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a
{
  font-weight: 500;
  text-decoration: inherit;
}

body
{
  margin: 0;
  min-width: 320px;
}

#root
{
  min-height: 100dvh;
}

h1
{
  font-size: 3.2em;
  line-height: 1.1;
}

button
{
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: border-color 0.25s;
}
button:hover
{
  border-color: #646cff;
}
button:focus,
button:focus-visible
{
  outline: 4px auto -webkit-focus-ring-color;
}

@media (prefers-color-scheme: light)
{
  :root
  {
    color: #213547;
    background-color: #ffffff;
  }
  a:hover
  {
    color: #747bff;
  }
  button
  {
    background-color: #f9f9f9;
  }
}

@keyframes wiki-blink
{
  0%, 100% { color: #dc2626; }
  50% { color: #2563eb; }
}

@keyframes wiki-blink-dark
{
  0%, 100% { color: #f87171; }
  50% { color: #60a5fa; }
}