@font-face {
  font-family: "Sarabun";
  src: url(../../../../../../fonts/Sarabun/Sarabun-Regular.ttf);
}
@font-face {
  font-family: "Kanit";
  src: url(../../../../../../fonts/Kanit/Kanit-Regular.ttf);
}
@font-face {
  font-family: "Prompt";
  src: url(../../../../../../fonts/Prompt/Prompt-Regular.ttf);
}
:root {
  font-family: Sarabun;
  font-weight: normal;
  font-size: 16px;
  --def-undr: black;
  --def-bgnd: black;
  --def-text: #f50000;
}

*, *:before, *:after {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

*, *:before, *:after {
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 0;
  background-color: hsl(0deg, 100%, 28%);
  overflow-x: clip;
}

img {
  display: block;
  width: 100vw;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  border: none;
  margin: 0rem auto 3rem auto;
}

div.youTube {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

iframe {
  display: block;
  width: 1024px;
  aspect-ratio: 16/9;
}

button {
  color: #2b0000;
  display: block;
  position: relative;
  margin: 1rem auto 1rem auto;
  text-align: center;
  padding: 0.2rem 1.5rem 0.6rem 1.5rem;
  border: none;
  border-radius: 100rem;
  font-size: 2rem;
  background-image: -webkit-gradient(linear, left top, left bottom, from(#b40000), to(#810000));
  background-image: -o-linear-gradient(#b40000, #810000);
  background-image: linear-gradient(#b40000, #810000);
  /* in-out | offset-x | offset-y | blur-radius | spread-radius | color */
  -webkit-box-shadow: inset 0 0 1rem 0.1rem #720000;
          box-shadow: inset 0 0 1rem 0.1rem #720000;
  border: 1px solid #d80000;
}

button:after {
  content: "";
  width: 80%;
  height: 30%;
  border-radius: 100rem;
  display: block;
  position: absolute;
  top: 20%;
  left: 50%;
  -webkit-transform: translateX(-50%);
      -ms-transform: translateX(-50%);
          transform: translateX(-50%);
  background-color: hsla(0deg, 0%, 100%, 0.1);
}

button:hover, button:active {
  background-image: -webkit-gradient(linear, left top, left bottom, from(#810000), to(#b40000));
  background-image: -o-linear-gradient(#810000, #b40000);
  background-image: linear-gradient(#810000, #b40000);
}

h1, h2 {
  font-family: Kanit;
}

h1 {
  font-size: 4rem;
  text-align: center;
  color: hsla(46deg, 100%, 50%, 0.75);
  margin: 1rem 0 1rem 0;
  padding: 0;
}

h2 {
  font-size: 3rem;
  color: hsla(46deg, 100%, 50%, 0.75);
  margin: 0 3rem 3rem 3rem;
  padding: 0;
}

p {
  font-family: Sarabun;
  font-size: 3rem;
  color: hsla(46deg, 100%, 50%, 0.75);
  margin: 3rem 3rem 0rem 3rem;
  text-align: center;
}

p.trans {
  font-size: 2rem;
  color: #d80000;
  margin: 0.5rem 3rem 0rem 3rem;
  text-align: center;
  display: block;
}

em, i {
  font-style: normal;
  color: #bffff4;
}

u em, u i {
  padding: 0.3rem 1rem 0.5rem 1rem;
}

u {
  border-bottom: 3px dotted #560000;
  line-height: 1.3em;
}

u > i {
  background-color: #560000;
  color: #ff5656;
  padding: 0.25rem 0.5rem 0.5rem 0.5rem;
}

u > i:after {
  border-color: transparent transparent #560000 transparent;
  border-width: 10px;
  margin-left: -10px;
}

#fcFromUBtn {
  background-color: rgba(171, 0, 255, 0.481);
  background-blend-mode: normal;
  margin-top: 1rem;
}