@charset "utf-8";

:root {
  --main-text: #050505;
  --main-bg: #f7f7f7;
  --color-sun: #FF6000;
  --color-moon: #3B9CFF;
}

[data-scheme="dark"] {
  --main-text: #f7f7f7;
  --main-bg: #222222;
}

body{
  font-family: "Noto Serif JP", serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  color:  var(--main-text);
  background-color: var(--main-bg);
  transition: 1s;
}

.Tender{
  font-family: "Times New Roman", Times, serif;
  font-weight: bold;
  font-style: italic;
  font-size: 120%;
}

.wrapper{
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 16px;
}

a{
position: relative;
text-decoration: none;
color: var(--color-moon);
}

a:hover{
  color: var(--color-sun);
}

a:after{
  position: absolute;
  background-color: var(--color-sun);
  left: 0;
  content: "";
  width: 0%;
  height: 2px;
  bottom: 0;
  visibility: hidden;
  transition: 0.2s;
}

a:hover:after{
visibility: visible;
  width: 100%;
}

.tooltip{
  position: relative;
  display: inline;
  cursor: pointer;
}

.tooltip .tooltiptext{
  visibility: hidden;
  width: 240px;
  color: var(--main-bg);
  background-color: var(--main-text);
  text-align: center;
  border-radius: 6px;
  padding: 5px 0;

  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -60%;

  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext{
  visibility: visible;
  opacity: 1;
}

#color-scheme{
  cursor: pointer;
}

#color-scheme:hover{
  color: var(--color-moon);
}
[data-scheme="dark"] #color-scheme:hover {
  color: var(--color-sun);
}