@charset "UTF-8";

* {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}

*:focus {
  outline: none;
}

html {
  font-size: 62.5%;
}

html,
body {
  overflow: hidden;
}

#webgl {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
}

span.title {
  position: fixed;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1001;
  color: #fff;
  text-shadow: 0px 0px 3px #000000ab;
  opacity: 0.8;
  font-size: 1.5rem;
  text-align: center;
  font-weight: 100;
  color: #dddddd;
}

span.title::first-line {
  font-size: 1.9rem;
  color: #fff;
}

span.title a {
  color: #235450;
  font-size: 1.2rem;
  /* line-height: 0.8rem; */
  display: block;
  text-shadow: none;
}

body {
  background-color: #000;
}

/* add */
* {
  -webkit-user-select: none; /* Chrome or Safari */
  -moz-user-select: none; /* FireFox */
  -ms-user-select: none; /* IE */
  -o-user-select: none; /* Opera */
  user-select: none;
}
:root {
  --main-color: rgb(175, 175, 175);
}
div#app {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
  z-index: 2;
}
html {
  height: 100%;
}
body {
  background-image: url(./img/white4.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  height: 100%;
}
#back-filter {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
.original-css-backdropFilter {
  width: 100%;
  height: 100%;
}
#text {
  color: var(--main-color);
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}
p.tap {
  position: absolute;
  width: 100px;
  height: 100px;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  opacity: 0.9;
  background-image: url(./img/tap.png);
  background-size: contain;
  user-select: none;
  opacity: 1;
}

button {
  position: absolute;
  z-index: 100000000;
  top: 5px;
  right: 5px;
  width: 10vw;
  min-width: 100px;
  height: 4vh;
  min-height: 50px;
}

#info {
  position: absolute;
  right: 9px;
  bottom: 5px;
  text-align: right;
  font-size: 1.5rem;
  font-weight: 100;
  opacity: 0.8;
  color: rgb(131, 255, 131);
  z-index: 1001;
}

#hoverText {
  position: absolute;
  top: 0;
  left: 0;
  background: rgb(255, 5, 242);
  color: #fff;
  z-index: 1002;
  padding: 1px 10px;
  opacity: 0;
  transform-origin: center left; /* 左上を基点に拡大縮小 */
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
  border-radius: 1px;
}

#hoverText.on {
  opacity: 0.8;
  transform: scale(1.2);
}