@charset "shift_jis";
/* CSS Document */

html,
body {
  width: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", "?q?暃?M?m?p?S ProN W3", Meiryo, sans-serif;
  color: #555;
  background-color: #eee;
  font-size: 62.5%;
  /*//////////////////////////////////////////////////*/
  /*sp時の全体のフォントサイズを少し小さめに*/
  font-size: 55%;
  /*//////////////////////////////////////////////////*/
  line-height: 1.5;
  word-break: break-all;
  word-wrap: break-word;
  position: relative;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -o-text-size-adjust: 100%;
  text-size-adjust: 100%;
  text-align: justify;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #333;
  text-decoration: none;
}

a:hover img {
  opacity: 0.8;
}

img {
  max-width: 100%;
  vertical-align: bottom;
}

h1 {
  font-size: 3.6rem;
  font-weight: bold;
}

h2 {
  font-size: 2.4rem;
  font-weight: bold;
}

h3 {
  font-size: 2rem;
  font-weight: bold;
}

p {
  font-size: 1.6rem;
  margin: .5rem 0 2rem;
}

sup {
  position: relative;
  font-size: 65%;
  vertical-align: top;
  top: -0.1em;
}

/*********CSS iCONS*********/
/*animation-icon*/

.is_new::after {
  content: "NEW";
  background-color: #a72026;
  font-size: 1.2rem;
  padding: .2rem .8rem;
  color: white;
  /*border-radius: 20px;*/
  vertical-align: 8%;
  animation: blink 1.8s linear infinite alternate;
  margin-left: 1rem;
}

@keyframes blink {
  0% {
    opacity: 0;
  }

  25% {
    opacity: 0;
  }

  45% {
    opacity: 1;
  }

  100% {
    opacity: 1;
  }
}

/*audio-play-icon*/

.add_i-audio {
  position: relative;
  display: inline-block;
  width: 100%;
}

.add_i-audio::after {
  position: absolute;
  display: block;
  content: "";
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -50%, 0);
  transition: all 0.2s;
  font-size: 60px;
  font-family: "Font Awesome 5 Free";
  content: "\f1c7";
  color: white;
  opacity: 0.7;
}

.add_i-audio:hover::after {
  transform: translate3d(-50%, -50%, 0) scale(1.0);
  opacity: 1.0;
}

@media (min-width: 768px) {
  .add_i-audio:hover::after {
    transform: translate3d(-50%, -50%, 0) scale(1.2);
  }
}

/*video-play-icon*/

.add_i-play {
  position: relative;
  display: inline-block;
  width: 100%;
}

.add_i-play::before {
  position: absolute;
  z-index: 1;
  content: "";
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -50%, 0);
  border-radius: 50%;
  transition: all 0.2s;
  /*size,color adjustment*/
  width: 90px;
  height: 90px;
  border: 10px solid white;
  opacity: 0.6;
}

.add_i-play::after {
  position: absolute;
  content: "";
  top: 50%;
  left: 51.5%;
  transform: translate3d(-50%, -50%, 0);
  transition: all 0.2s;
  width: 0;
  height: 0;
  /*size,color adjustment*/
  border-top: 28px solid transparent;
  border-bottom: 28px solid transparent;
  border-left: 48px solid white;
  opacity: 0.6;
}

.add_i-play:hover::before,
.add_i-play:hover::after {
  transform: translate3d(-50%, -50%, 0) scale(1.0);
}

/*header****************************************************/

header {
  max-width: 1000px;
  margin: 2rem auto;
  box-sizing: border-box;
  background-color: white;
  border-radius: 20px 20px 0 0;
}

.header {
  position: relative;
  text-align: center;
  border-bottom: .5rem solid #fbe949;
}

.header img {
  max-width: 640px;
  width: 100%;
  box-sizing: border-box;
  padding: 0 2.5rem;
  margin: 3rem auto;
}

.header a:hover img {
  opacity: 1;
}

.header span.note {
  display: none;
  position: absolute;
  bottom: -28%;
  right: 5%;
  border-radius: 50%;
  background-color: #92c267;
  background-color: #fdeb4d;
  color: white;
  color: #444;
  padding: .5rem;
  width: 120px;
  height: 120px;
}

.note_inner {
  display: block;
  text-align: center;
  padding-top: 31.5%;
  font-size: 1.7rem;
  line-height: 1.5;
  font-weight: bold;
}

#displayselector {
  display: block;
  margin: .8rem auto;
  width: 100%;
  max-width: 650px;
  height: 35px;
  font-size: 16px;
  outline: none;
}

#ctrl_nav {
  padding: 0 0rem;
  position: fixed;
  right: 0;
  left: 0;
  bottom: 0;
  display: block;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  border-top: 3px solid white;
  background: #2b334a;
  z-index: 99;
  transform: translate3d(0, 100%, 0);
  transition: transform 0s;
  opacity: 1;
}

.flashing {
  box-shadow: none;
  animation: flash 2s ease-in-out;
}

@keyframes flash {
  20% {
    box-shadow: 0 1px 6px 7px#ffee00;
  }
}

/*main****************************************************/

article {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 2rem;
  box-sizing: border-box;
  background-color: white;
  border-radius: 20px;
}

.volume_and_issue {
  font-size: 1.8rem;
  display: inline-block;
  background: #679bc2;
  background: black;
  background: #717171;
  color: white;
  padding: .2rem 1rem;
}

.series_title {
  margin-top: .5rem;
  font-size: 2.1rem;
  color: #444;
}

.article_title {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.video_thumbnail img {
  width: 100%;
}

.magazine_header {
  border-bottom: 1px solid #ccc;
  margin-bottom: 2rem;
}

.caption {
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1.3;
}

.letter_spacing_wide {
  letter-spacing: 0.1rem;
}

.doc_thumbnail {
  display: block;
  position: relative;
  background-color: black;
}

.doc_thumbnail img {
  width: 100%;
  opacity: 0.8;
}

.doc_thumbnail .far {
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 80px;
  opacity: 0.8;
  transition: ease 0.2s;
}

.doc_thumbnail .far::after {
  content: "PDF";
  display: block;
  margin-top: 5px;
  font-weight: bold;
  letter-spacing: 1px;
  font-size: 15px;
}

.doc_thumbnail:hover .far {
  opacity: 1;
  transform: translate3d(-50%, -50%, 0) scale(1.2);
}

.doc_thumbnail:hover img {
  opacity: 0.85;
}

#bc082903 .magazine_contents:nth-of-type(4) img {
  text-align: left;
  width: 50%;
}

#bc082501 .magazine_content:last-child {
  text-align: left;
  width: 50%;
}

#bc082908 .series_title {
  color: #c62828;
}

#bc083409 .magazine_content:nth-of-type(2){
  width: 50%;
}

#bc082811 .magazine_contents,
#bc082908 .magazine_contents,
#bc083003 .magazine_contents,
#bc083303 .magazine_contents,
#bc083308 .magazine_contents,
#bc083309 .magazine_contents,
#bc083310 .magazine_contents,
#bc083401 .magazine_contents,
#bc083406 .magazine_contents,
#bc083408 .magazine_contents,
#bc083409 .magazine_contents,
#bc083410 .magazine_contents {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

#bc082811 .magazine_content,
#bc082908 .magazine_content,
#bc083003 .magazine_content,
#bc083309 .magazine_content,
#bc083310 .magazine_contents:nth-child(2) .magazine_content,
#bc083401 .magazine_content,
#bc083408 .magazine_content {
  padding: 0;
  margin: 0;
  flex: 0 1 calc(50% - 10px);
  box-sizing: border-box;
}

#bc083303 .magazine_content:only-child,
#bc083308 .magazine_content:only-child,
#bc083406 .magazine_content:only-child,
#bc083410 .magazine_content:only-child {
  flex-grow: 0;
  flex-basis: calc(50% - 10px);
  box-sizing: border-box;
}

/*footer****************************************************/
footer {
  max-width: 1000px;
  margin: 2rem auto;
  text-align: center;
}


/* ########################################################################################################### */ 
@media (min-width: 768px) {

  html,
  body {
    /*//////////////////////////////////////////////////*/
    /*Tablet & Desktop PC時の全体のフォントサイズを標準10pxに*/
    font-size: 62.5%;
    /*//////////////////////////////////////////////////*/
  }

  .add_i-play:hover::before,
  .add_i-play:hover::after {
    transform: translate3d(-50%, -50%, 0) scale(1.2);
  }

  .header img {
    padding: 0 1rem;
  }

  .header span.note {
    display: block;
  }

  article {
    padding: 4rem;
  }

  .magazine_contents::after {
    content: "";
    display: block;
    clear: both;
  }

  .magazine_content {
    float: left;
    width: 50%;
    text-align: center;
    padding-right: 1rem;
    box-sizing: border-box;
  }

  .magazine_content:nth-child(2n) {
    padding-left: 1rem;
    padding-right: 0;
  }

  .video_thumbnail img {
    width: 100%;
  }

  .caption {
    text-align: left;
  }

  #bc082501 .magazine_content:last-child {
    text-align: left;
    width: 30%;
  }

  #bc082903 .magazine_contents:nth-of-type(4) img {
    text-align: left;
    width: 100%;
  }

  #bc082903 .magazine_content:last-child {
    text-align: left;
    width: 50%;
  }

  
  #bc082811 .magazine_content,
  #bc082908 .magazine_content,
  #bc083003 .magazine_content,
  #bc083309 .magazine_content,
  #bc083310 .magazine_contents:nth-child(2) .magazine_content,
  #bc083401 .magazine_content,
  #bc083408 .magazine_content,
  #bc083409 .magazine_content {
    flex: 0 1 calc((100% - 2 * 20px) / 3);
    box-sizing: border-box;
  }
 
  #bc083310 > .magazine_contents:nth-child(4) {
    display: block;
  }

  #bc083303 .magazine_content:only-child,
  #bc083308 .magazine_content:only-child,
  #bc083406 .magazine_content:only-child,
  #bc083410 .magazine_content:only-child {
    flex-grow: 0;
    flex-basis: calc((100% - 2 * 20px) / 3);
    box-sizing: border-box;
  }

  #bc083409 .magazine_contents {
    display: block;
  }

  #bc083409 .magazine_content:nth-of-type(2) {
    float: inline-start;
    margin-left: 2%;
    width: 33%;
  }

  #bc083409 .magazine_content:nth-of-type(3) {
    margin-top: -26%;
  }


}