@charset "UTF-8";

/* global */

footer {
  padding-left: 18%;
}


/* title */

h1 {
  clear: both;
  font-size: 200%;
  margin: 0 0 2em;
  padding: 0 20% 0 18%;
}


/* navigation menu */

#menu {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 120;
}


/* butons */

#first a.button {
  width: 14em;
}

#samples a.button {
  width: 10em;
}

#abstract a.button {
  width: 12em;
}

#releases a.button {
  width: 14em;
}

#tweets a.button {
  width: 7em;
}


/* topics */

section {
  clear: both;
  margin: 0 0 2em;
  padding: 0 20% 0 18%;
  position: relative;
}
section#top-sharebuttons {
  padding-left: 25%;
}

h2 {
  font-family: "ヒラギノ丸ゴ Pro",
               "Hiragino Maru Gothic Pro",
               "Hiragino Kaku Gothic Pro",
               "HG丸ｺﾞｼｯｸM-PRO",
               "HGMaruGothicMPRO";
  font-size: 100%;
  font-weight: 700;
  line-height: 1;
  margin: 0 0 0 2em;
  padding: 0;
  position: relative;
  text-indent: -1em;
  z-index: 110;
}
h2,
h2 a:link,
h2 a:visited {
  color: #FC005C;
  text-decoration: none;
}
h2 a:hover,
h2 a:active,
h2 a:focus {
  text-decoration: underline;
}

h2 img {
  height: 1.8em;
}

h2 em {
  font-size: 150%;
  font-weight: normal;
}

/*
h2:before {
  top: 0;
  content: "⇪";
  display: block;
  font-size: 200%;
  left: -1em;
  position: absolute;
  transform: rotate(90deg);
  width: 1em;
}
*/

.section-body {
  background: rgba(255, 255, 255, 0.75);
  border-radius: 1em;
  box-shadow: rgba(128, 0, 90, 0.1) 0 0 0.5em;
  margin: 1em 0 1em;
  padding: 1em;
}

.section-body p {
  margin: 0;
  padding: 0;
  position: relative;
  z-index: 100;
}
.section-body dl {
  position: relative;
  z-index: 100;
}
.section-body > p {
  text-indent: 1em;
}
.section-body p + p {
  margin-top: 1em;
}

img.decoration {
  max-width: 60%;
}

section:nth-child(2n+1) img.decoration {
  float: right;
  margin: 0 0 1em 1em;
}

section:nth-child(2n) img.decoration {
  float: left;
  margin: 0 1em 1em 0;
}


/* characters */

p.character {
  margin: 0;
  padding: 0;
  position: absolute;
  pointer-events: none;
}


/* small-screen */

@media (max-width: 600px) {
  section,
  section#top-sharebuttons,
  footer {
    padding-left: 1em;
    padding-right: 1em;
  }

  img.decoration {
    max-width: 40%;
  }

  p.character {
    position: relative;
  }
}