@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100;200;300;400;500;600;700;800;900&display=swap');


* {
  font-family: 'Inter', '游ゴシック体', 'YuGothic', '游ゴシック', 'Meiryo', 'ＭＳ Ｐゴシック', 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', 'osaka', sans-serif;
  letter-spacing: 0.05em;
  margin: 0 auto;
  padding: 0;

  overflow-wrap: break-word;

  tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  font-feature-settings: 'palt';
}
* > br,
.base * > br,
.base figcaption > br {
  line-height: inherit;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  background: url('../image/back.jpg') no-repeat center / cover;
  color: #ffffff;
  text-align: center;

  -webkit-text-size-adjust: none;
  -moz-text-size-adjust: none;
  -ms-text-size-adjust: none;
  -o-text-size-adjust: none;
  text-size-adjust: none;
}

img {
  max-width: 100%;
  vertical-align: bottom;
  border: 0;
}
figure { margin-bottom: 0; }

table {
  border-collapse: collapse;
}

h1, h2, h3, h4, h5, h6 { font-weight: 400; }

a {
  color: inherit;
  line-height: inherit;
  text-decoration: none;
}

time,
i,
small {
  letter-spacing: 0 !important;
}

a,
.tw {
  transition: all 1.0s cubic-bezier(0.2, 1.0, 0.2, 1.0);
}



header {
  width: 50vw;
  max-width: 400px;

  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 100;
  transform: translate(-50%, -50%);
}
header a {
  display: block;
  height: 0;
  padding-top: 56.25%;
}
header a:link,
header a:visited {
  background: rgba(255, 255, 255, 0.4);
}
header a:active,
header a:hover {
  background: rgba(255, 255, 255, 0.6);
}


main {
  position: fixed;
  top: 110%;
  left: 0;
}


footer {
  font-size: 11px;
  text-align: left;
}
footer {
  width: 100%;
  text-align: right;
  padding-right: 4%;
  padding-left: 4%;

  position: fixed;
  left: 0;
  bottom: 0;
  z-index: 100;
  box-sizing: border-box;
}
footer,
footer * {
  height: 3em;
}
footer a {
  display: inline-block;
  color: #ffffff !important;
  font-size: 1.4em;
  margin-left: 0.75em;
}
footer small {
  font-size: 1em;
  font-weight: 600;

  position: absolute;
  top: 50%;
  left: 4%;
  transform: translate3d(0, -50%, 0);
}



.alpha:active,
.alpha:hover {
  opacity: 0.5;
}