@font-face {
  font-family: 'NotoSansCJKjp';
  font-style: normal;
  font-weight: 400;
  src: url('./font/regular_w.woff') format('woff');
  font-display: swap;
}
@font-face {
  font-family: 'NotoSansCJKjp';
  font-style: normal;
  font-weight: 700;
  src: url('./font/bold_w.woff') format('woff');
  font-display: swap;
}
@font-face {
  font-family: 'NotoSansCJKjp';
  font-style: normal;
  font-weight: 900;
  src: url('./font/black_w.woff') format('woff');
  font-display: swap;
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: rgb(50, 50, 50);
    color: #fff;
  }
}

/*まずはお決まりのボックスサイズ算出をborer-boxに */
*,
*:before,
*:after {
  -webkit-box-sizing: inherit;
  box-sizing: inherit;
}

html {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 62.5%;/*rem算出をしやすくするために*/
  font-family: 'NotoSansCJKjp', "Hiragino Kaku Gothic ProN","ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, sans-serif;
}

.top_icon {
  text-align: center;
  margin: 1.5rem ;
}

.top_icon img {
  border-radius: 50%;
}

.username {
  text-align: center;
  margin: 1rem;
  font-size: 1.6rem;
  font-weight: bold;
}

.honbun{
  text-align: center;
}

.kajougaki{
  width: fit-content;
    margin: auto;
    font-size: 2rem;
}

.btn_wrapper{
  margin: 0 30px 30px 30px;
}

.box{
  display :inline-block;
  font-size: 2rem;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px dashed;
  margin: 30px;
}

/* .top_icon h1 {
  text-align: center;
} */

.btn,
a.btn,
button.btn {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
  position: relative;
  display: inline-block;
  width: 100%;
  padding: 1rem;
  margin: 1rem 0;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  color: #212529;
  border-radius: 0.5rem;
}

.btn--orange,
a.btn--orange {
  color: #fff;
  background-color: #eb6100;
}
.btn--orange:hover,
a.btn--orange:hover {
  color: #fff;
  background: #f56500;
}

a.btn--radius {
   border-radius: 100vh;
}

.copyright_parent {
  margin: 1rem;
  text-align: center;
}

.copyright {
  display: inline-block;
}

.copyright img{
  width: 1rem;
}