@charset "UTF-8";
* {
  box-sizing: content-box;
}

body {
  font-size: 1rem !important;
}

.main {
  padding: 0 !important;
}

.oshiete .contents > .inner,
div[class*="music-"] .contents > .inner {
  padding: 0 10px;
}

header nav li.oshiete {
  background: #E78492;
}

.oshiete .wrap,
div[class*="music-"] .wrap {
  padding-bottom: 0;
}

.oshiete h2,
div[class*="music-"] h2 {
  border-bottom: none;
  padding: 0;
}

.oshiete p.lead,
div[class*="music-"] p.lead {
  font-size: 1.3rem;
  line-height: 1.4;
  color: #666;
  padding: 0px 0px 20px;
}

.oshiete .lead a,
div[class*="music-"] .lead a {
  display: inline-block;
  color: #33CCCC;
}

.oshiete .lead a {
  display: inline;
}

.oshiete .lead span {
  font-size: 1.1rem;
  color: #999;
  margin-top: 15px;
  display: block;
}

#columnRanking {
  margin-bottom: 47px;
}

.search-box input[type="button"]:hover,
.search-scene li:hover {
  filter: alpha(opacity=50);
  opacity: 0.5;
  -moz-opacity: 0.5;
  -webkit-opacity: 0.5;
}

@media only screen and (min-width: 900px) {
  .page-title h1 {
    max-width: 1024px;
    margin: 0 auto;
    font-size: 2.3rem;
    padding-left: 72px;
    line-height: 75px;
  }

  .pankuzu {
    max-width: 944px;
    margin: 0 auto;
    height: 34px !important;
    line-height: 32px;
  }

  .oshiete p.lead,
  div[class*="music-"] p.lead {
    font-size: 1.5rem;
    padding: 0;
    margin: 19px 0 43px;
  }

  .oshiete .lead span {
    font-size: 1.2rem;
    margin-top: 15px;
  }

  .main {
    overflow: hidden;
    max-width: 968px;
    width: 962px;
    padding: 0;
  }

  #columnRanking {
    padding-top: 142px;
    width: 302px;
    float: right;
    margin-bottom: 43px;
  }

  .oshiete .contents,
  div[class*="music-"] .contents {
    float: left;
    width: 630px;
  }

  .oshiete .page-title,
  div[class*="music-"] .page-title {
    margin-bottom: 22px;
  }

  .sidebar {
    display: block;
    width: 210px;
    float: left;
    margin: 30px 36px 0 19px;
    padding-top: 0;
  }

  .oshiete .pankuzu {
    padding-top: 142px;
    z-index: 1;
    position: relative;
  }

  .oshiete .pankuzu span {
    max-width: 330px;
  }

  .oshiete .contents > .inner {
    padding: 0;
  }
}
@media only screen and (max-width: 900px) {
  .main {
    padding: 0 10px;
  }
}
@media only screen and (max-width: 800px) {
  .oshiete .section,
  div[class*="music-"] .section {
    padding-bottom: 0;
  }

  .oshiete h2,
  div[class*="music-"] h2 {
    margin-bottom: 16px;
  }
}
/*ISUM利用ランキング*/
.ranking {
  margin: 0 auto 0;
  padding: 0 0 36px;
  display: none;
  background: #FFF4F5;
}

.oshiete .ranking {
  background: #FFF;
  padding: 31px 0 36px;
}

.ranking h2 {
  font-size: 1.6rem;
  font-weight: bold;
  color: #E68492;
  line-height: 1;
  height: auto;
  width: 161px;
  margin: 0 auto 14px;
  padding: 1px 18px 0 23px !important;
  background: url(../images/icn_ranking.png) no-repeat left -1px, url(../images/icn_ranking.png) no-repeat right -1px;
  background-size: 17px auto;
}

.ranking h2 span {
  font-size: 1rem;
  color: #E68492;
  width: 100%;
  display: block;
  text-align: center;
  margin: 5px 0 12px;
}

.ranking dt h3 {
  font-size: 1.2rem;
  font-weight: bold;
  color: #FF9D9D;
  width: 100%;
  background: #FFF;
  margin: 0 auto;
  height: 27px;
  line-height: 28px;
  padding-left: 15px;
  box-sizing: border-box;
}

.oshiete dt h3 {
  background: #FFF4F5;
}

.ranking dd {
  margin-top: 19px;
  min-height: 109px;
}

.ranking dd ol {
  min-height: 82px;
}

.ranking dd li {
  margin: 0 0 17px 23px;
  display: table;
}

.ranking dd li:last-child {
  margin-bottom: 15px;
}

.ranking dd span {
  font-size: 1.6rem;
  color: #FF9D9D;
  font-weight: bold;
  height: 100%;
  display: block;
  width: 19px;
  display: table-cell;
  vertical-align: middle;
}

.ranking dd p {
  font-size: 1.2rem;
  color: #999;
  height: 100%;
  display: table-cell;
  vertical-align: middle;
  line-height: 1.4;
}

.ranking dd p a {
  color: #999;
  text-decoration: underline;
}

.ranking ol + a {
  font-size: 1.2rem;
  color: #33CCCC;
  width: 64px;
  text-decoration: underline;
  margin: 0 auto 23px;
}

.ad-ranking {
  width: 300px;
  margin: 0 auto;
}

@media only screen and (min-width: 767px) {
  .ranking {
    background: #FFF;
    display: block;
    margin: 0 auto 18px;
    padding: 17px 0 0;
    border: 1px solid #FFDDDD;
    border-radius: 5px;
  }

  .ranking dt h3 {
    background: #FFF4F5;
  }
}
/*トップ*/
.sec-top {
  padding: 0 21px;
  margin: 0 auto;
}

.sec-top img {
  width: 100%;
}

.sec-top .lead {
  margin: 11px 2px 0;
  line-height: 1.4;
  font-size: 1.3rem;
}

.sec-top a {
  text-align: center;
  display: inline-block;
  margin: 10px 0 15px;
  width: 100%;
  color: #33CCCC;
}

@media only screen and (min-width: 900px) {
  .sec-top {
    padding: 0;
    margin-top: -21px;
  }

  .sec-top .lead {
    margin: 21px 2px 23px;
    font-size: 1.5rem;
  }

  .sec-top a {
    display: inline;
    font-size: 1.2rem;
    display: none;
  }
}
/*タイトル*/
.sec-article .page-title {
  position: relative;
  height: auto;
  padding: 14px 0 9px;
  margin-bottom: 12px;
}

.sec-article h1 {
  color: #666;
  font-size: 1.6rem;
  line-height: 1.4;
  margin: 0 9px 0 24px;
}

.sec-article h1 small {
  font-style: normal;
  font-size: 1.4rem;
  display: block;
  margin-bottom: 1px;
}

.sec-article .page-title .date {
  position: absolute;
  top: 16px;
  right: 15px;
  font-size: 1.2rem;
}

@media only screen and (min-width: 900px) {
  .sec-article .page-title h1 {
    padding-left: 10px;
  }

  .sec-article .page-title {
    position: relative;
    height: auto;
    padding: 14px 0 9px;
    margin-bottom: 12px;
  }

  .sec-article h1 {
    font-size: 2rem;
  }

  .sec-article h1 small {
    font-style: normal;
    font-size: 1.4rem;
    display: block;
    margin-bottom: 0;
  }

  .sec-article .page-title .date {
    position: absolute;
    top: 19px;
    right: 15px;
    font-size: 1.2rem;
  }
}
/*まんが*/
.sec-article .comic img {
  width: 100%;
  max-width: 320px;
  margin: 0 auto 11px;
  display: block;
}

@media only screen and (min-width: 900px) {
  .sec-article .comic img {
    max-width: 422px;
    margin: 0 auto 27px;
  }
}
/*会話*/
.sec-article .talk {
  margin: 0 24px 18px 20px;
}

.sec-article .talk li {
  position: relative;
  font-size: 1.3rem;
  line-height: 1.4;
  color: #574C46;
  padding: 0 43px 10px 6px;
  box-sizing: border-box;
  overflow: hidden;
  width: 100%;
}

.talk .balloon {
  position: relative;
  margin: 0 auto;
  border: 1px solid #FFCFD2;
  border-radius: 8px;
  padding: 10px;
  background: #FFF1F2;
  display: inline-block;
  float: right;
}

.talk .balloon span {
  color: #999;
  font-size: 1.1rem;
}

.talk .balloon:after,
.talk .balloon:before {
  content: ' ';
  position: absolute;
  border-top: solid 6px transparent;
  border-bottom: solid 6px transparent;
  border-left: solid 6px #FEF1F2;
  top: 14px;
  right: -6px;
}

.talk .balloon:before {
  border-left-color: #FFCFD2;
  right: -7px;
}

.talk .balloon a {
  color: #33CCCC;
  display: inline;
}

/*アイちゃん*/
.talk .ai {
  background: url("../images/icn_ai.jpg") no-repeat right 2px;
  background-size: 36px auto;
}

/*サムくん*/
.talk .sum {
  background: url("../images/icn_sum.jpg") no-repeat right 2px;
  background-size: 36px auto;
}

.talk .sum .balloon {
  border: 1px solid #D0E0FF;
  background: #F0F5FF;
}

.talk .sum .balloon:after,
.talk .sum .balloon:before {
  border-left: solid 6px #F0F5FF;
}

.talk .sum .balloon:before {
  border-left-color: #D0E0FF;
}

/*アイちゃん＆サムくん*/
.talk .ai-sum {
  background: url("../images/icn_ai_sum.jpg") no-repeat right 3px;
  background-size: 36px auto;
}

.talk .ai-sum .balloon {
  border: 1px solid #ADEBE1;
  background: #F8FEEF;
}

.talk .ai-sum .balloon:after,
.talk .ai-sum .balloon:before {
  border-left: solid 6px #F8FEEF;
}

.talk .ai-sum .balloon:before {
  border-left-color: #ADEBE1;
}

/*城田先生（吹き出し左向き）*/
.talk .shirota {
  padding: 0 0 10px 43px !important;
  background: url("../images/icn_shirota.jpg") no-repeat left 4px;
  background-size: 36px auto;
}

.talk .shirota .balloon {
  float: left;
  border: 1px solid #DE9CE0;
  background: #FBF7FD;
}

.talk .shirota .balloon:before,
.talk .shirota .balloon:after {
  border-left: none;
  border-right: solid 6px #FFF1F2;
  left: -6px;
  right: inherit;
}

.talk .shirota .balloon:before {
  border-right-color: #DE9CE0;
  left: -7px;
}

@media only screen and (min-width: 900px) {
  .sec-article .talk {
    margin: 0 24px 23px 48px;
  }

  .sec-article .talk li {
    padding: 0 89px 12px 6px;
    font-size: 1.5rem;
  }

  .talk .balloon {
    border: 2px solid #FFCFD2;
    padding: 22px 18px;
    border-radius: 18px;
  }

  .talk .balloon:after,
  .talk .balloon:before {
    content: ' ';
    position: absolute;
    border-top: solid 16px transparent;
    border-bottom: solid 16px transparent;
    border-left: solid 16px #FEF1F2;
    top: 18px;
    right: -16px;
  }

  .talk .balloon:before {
    border-left-color: #FFCFD2;
    right: -18px;
  }

  /*アイちゃん*/
  .talk .ai {
    background: url("../images/icn_ai.jpg") no-repeat right 7px;
    background-size: 61px auto;
  }

  /*サムくん*/
  .talk .sum {
    background: url("../images/icn_sum.jpg") no-repeat right 7px;
    background-size: 61px auto;
  }

  .talk .sum .balloon {
    border: 2px solid #D0E0FF;
    background: #F0F5FF;
  }

  .talk .sum .balloon:after,
  .talk .sum .balloon:before {
    border-left: solid 16px #F0F5FF;
  }

  .talk .sum .balloon:before {
    border-left-color: #D0E0FF;
  }

  /*アイちゃん＆サムくん*/
  .talk .ai-sum {
    background: url("../images/icn_ai_sum.jpg") no-repeat right 7px;
    background-size: 61px auto;
  }

  .talk .ai-sum .balloon {
    border: 2px solid #ADEBE1;
    background: #F8FEEF;
  }

  .talk .ai-sum .balloon:after,
  .talk .ai-sum .balloon:before {
    border-left: solid 16px #F8FEEF;
  }

  .talk .ai-sum .balloon:before {
    border-left-color: #ADEBE1;
  }

  /*城田先生（吹き出し左向き）*/
  .talk .shirota {
    padding: 0 0 10px 89px !important;
    background: url("../images/icn_shirota.jpg") no-repeat left 7px;
    background-size: 61px auto;
  }

  .talk .shirota .balloon {
    border: 2px solid #DE9CE0;
    background: #FBF7FD;
  }

  .talk .shirota .balloon:before,
  .talk .shirota .balloon:after {
    border-left: none;
    border-right: solid 16px #FBF7FD;
    top: 18px;
    left: -16px;
    right: inherit;
  }

  .talk .shirota .balloon:before {
    border-right-color: #DE9CE0;
    left: -18px;
  }
}
/*まとめ*/
.summary {
  position: relative;
  background: #FFF4F5;
  border: 2px solid #C99393;
  margin: 0px 15px 40px;
  padding: 10px 28% 15px 18px;
  border-radius: 13px;
  min-height: 90px;
}

#note {
  margin: -6px 17px 40px;
  padding: 0 6px 0;
  line-height: 1.4;
}

#note a {
  display: inline;
  color: #66CCCC;
  word-break: break-all;
  padding: 0 0 0 10px;
}

.summary h3 {
  position: absolute;
  top: -14px;
  left: 12px;
  width: 148px;
  height: 30px;
  background: url("../images/h_summary.png") no-repeat left top;
  background-size: 148px auto;
  text-indent: -9999px;
}

.summary p {
  line-height: 1.4;
  font-size: 1.3rem;
  text-shadow: 2px 2px 3px white;
  margin-top: 16px;
}

.summary p:after {
  content: '';
  background: url(../images/img_summary.png) 0 0 no-repeat transparent;
  position: absolute;
  bottom: 0;
  right: -12px;
  width: 106px;
  height: 145px;
  background-size: 106px auto;
}

@media only screen and (min-width: 900px) {
  .summary {
    margin: 0px 15px 34px;
    padding: 28px 0 15px 24px;
    min-height: 140px;
    width: 599px;
    margin-left: 54px;
    box-sizing: border-box;
  }

  #note {
    margin: 0px 15px 34px;
    padding: 0 0 15px 5px;
    width: 599px;
    margin-left: 54px;
    box-sizing: border-box;
  }

  .summary h3 {
    top: -18px;
    left: 33px;
    width: 198px;
    height: 40px;
    background: url("../images/h_summary.png") no-repeat left top;
    background-size: 198px auto;
    text-indent: -9999px;
  }

  .summary p {
    font-size: 1.6rem;
    text-shadow: 2px 2px 3px white;
    width: 448px;
    margin-top: 21px;
  }

  .summary p:after {
    content: '';
    background: url(../images/img_summary.png) 0 0 no-repeat transparent;
    position: absolute;
    bottom: 0;
    right: 7px;
    width: 113px;
    height: 154px;
    background-size: 113px auto;
  }
}
/*sns*/
.sns {
  width: 212px;
  height: 26px;
  margin: 12px auto 28px;
}

.sns li {
  width: 61px;
  height: 26px;
  float: left;
  margin-right: 14px;
  text-indent: -9999px;
}

.sns li:nth-child(3) {
  margin-right: 0;
}

.sns li.twitter {
  background: url(../images/icn_twitter.png) no-repeat center center #2CA7e0;
  background-size: 21px auto;
}

.sns li.facebook {
  background: url(../images/icn_facebook.png) no-repeat center center #3B5A9B;
  background-size: 12px auto;
}

.sns li.line {
  background: url(../images/icn_line.png) no-repeat center center #2CBF13;
  background-size: 37px auto;
}

.sns li a {
  display: block;
  width: 100%;
  height: 100%;
}

@media only screen and (min-width: 900px) {
  .sns {
    width: 230px;
    height: 29px;
    margin: 28px 0 36px 230px;
  }

  .sns li {
    width: 70px;
    height: 100%;
    float: left;
    margin-right: 10px;
    text-indent: -9999px;
  }

  .sns li.twitter {
    background-size: 22px auto;
  }

  .sns li.facebook {
    background-size: 13px auto;
  }

  .sns li.line {
    background-size: 41px auto;
  }
}
/*ページング*/
.pagenavi {
  overflow: hidden;
  margin: 0 19px 37px;
}

.pagenavi .prev {
  float: left;
}

.pagenavi .next {
  float: right;
}

.pagenavi img {
  width: 44px;
  height: 30px;
  border: 1px solid #DADADA;
  box-sizing: border-box;
}

.pagenavi p {
  display: inline-block;
  vertical-align: top;
  margin-top: 11px;
  font-size: 13px;
  margin-left: 3px;
}

@media only screen and (min-width: 900px) {
  .pagenavi {
    width: 371px;
    margin: 0 auto 56px;
  }

  .pagenavi .prev {
    float: left;
  }

  .pagenavi .next {
    float: right;
  }

  .pagenavi img {
    width: 56px;
    height: 40px;
    border: 1px solid #DADADA;
  }

  .pagenavi p {
    display: inline-block;
    vertical-align: top;
    margin-top: 14px;
    font-size: 1.6rem;
    margin-left: 8px;
  }
}
/*監修*/
.supervisor dl {
  margin: 0 10px 30px;
}

.supervisor dt {
  font-size: 1.6rem;
  color: #666;
  height: 30px;
  line-height: 31px;
  border-bottom: 1px solid #CCC;
  padding-left: 7px;
}

.supervisor dt span {
  font-size: 1.2rem;
}

.supervisor dd {
  background: url(../images/img_shirota.jpg) no-repeat 2px 0;
  padding-left: 81px;
  margin-top: 12px;
  font-size: 1.2rem;
  line-height: 1.2;
  background-size: 66px auto;
}

.supervisor dd a {
  word-break: break-all;
  color: #66CCCC;
}

@media only screen and (min-width: 900px) {
  .supervisor {
    width: 612px;
    margin: 0 auto;
  }

  .supervisor dl {
    width: 100%;
    margin-bottom: 40px;
  }

  .supervisor dd {
    font-size: 1.4rem;
  }

  .supervisor dd .br-sp {
    display: none;
  }

  .supervisor dd a {
    display: inline;
  }
}
/*コラムランキング*/
.column-ranking {
  margin-bottom: 27px;
  padding: 0 10px;
}

.column-ranking h3 {
  font-size: 1.5rem;
  color: #FF9D9D;
  line-height: 1.2;
  height: 26px;
  text-align: center;
}

.column-ranking ul {
  border-top: 1px solid #E1E1E1;
  border-right: 1px solid #E1E1E1;
}

.column-ranking li {
  padding: 9px 10px 8px 31px;
  border-left: 1px solid #E1E1E1;
  border-bottom: 1px solid #E1E1E1;
}

.column-ranking li:first-child {
  background: url(../images/ranking_01.png) no-repeat 6px center #FFFAE0;
  background-size: 18px auto;
}

.column-ranking li:nth-child(2) {
  background: url(../images/ranking_02.png) no-repeat 6px center #FBFBFB;
  background-size: 18px auto;
}

.column-ranking li:nth-child(3) {
  background: url(../images/ranking_03.png) no-repeat 6px center #F9EEDE;
  background-size: 18px auto;
}

.column-ranking li a {
  width: 100%;
  height: 100%;
  display: table;
}

.column-ranking li .img {
  width: 59px;
  height: auto;
  display: table-cell;
}

.column-ranking li img {
  margin-right: 8px;
  width: 51px;
  height: auto;
  margin-top: 1px;
}

.column-ranking li p {
  font-size: 1.1rem;
  line-height: 1.2;
  display: table-cell;
  vertical-align: middle;
}

@media only screen and (min-width: 900px) {
  .column-ranking {
    padding: 0;
    -webkit-border-radius: 5px;
    border-radius: 5px;
    border: 1px solid #FFDDDD;
    margin-bottom: 17px;
  }

  .column-ranking h3 {
    font-size: 1.8rem;
    height: auto;
    margin: 19px 0 16px;
  }

  .column-ranking ul {
    border: none;
    margin-bottom: 24px;
  }

  .column-ranking li {
    border: none;
    padding: 0 10px 0 39px;
  }

  .column-ranking li:first-child {
    background: url(../images/ranking_01.png) no-repeat 12px center #FFFAE0;
    background-size: 18px auto;
  }

  .column-ranking li:nth-child(2) {
    background: url(../images/ranking_02.png) no-repeat 12px center #FBFBFB;
    background-size: 18px auto;
  }

  .column-ranking li:nth-child(3) {
    background: url(../images/ranking_03.png) no-repeat 12px center #F9EEDE;
    background-size: 18px auto;
  }

  .column-ranking li .img {
    width: 72px;
    padding: 10px 0;
  }

  .column-ranking li img {
    width: 72px;
    margin-right: 13px;
  }

  .column-ranking li p {
    padding: 10px 0;
    font-size: 1.2rem;
  }

  .column-ranking p span {
    font-weight: bold;
  }
}
/*バックナンバー*/
.backnumber {
  padding: 0 10px;
  margin-bottom: 30px;
}

.backnumber h3 {
  font-size: 1.5rem;
  margin-left: 16px;
  height: 26px;
  color: #FF9D9D;
  text-align: center;
}

.backnumber ul {
  overflow: hidden;
  background: #FFF4F5;
  width: 100%;
  display: table;
  border-top: 1px solid #CCC;
  border-right: 1px solid #CCC;
}

.backnumber li {
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
  border-left: 1px solid #CCC;
  border-bottom: 1px solid #CCC;
  width: 100%;
  min-height: 65px;
  padding: 0 0 0 6px;
}

.backnumber li a {
  display: table;
}

.backnumber .img {
  box-sizing: border-box;
  /* width: 73px; */
  margin: 6px 0;
}

.backnumber .img img {
  box-sizing: border-box;
  font-size: 1.2rem;
  width: 69px;
  line-height: 1.2;
  display: table-cell;
}

.backnumber .txt {
  box-sizing: border-box;
  font-size: 1.2rem;
  /* width: 73px; */
  line-height: 1.2;
  vertical-align: middle;
  padding: 0 10px 0 8px;
  display: table-cell;
}

.backnumber .txt span {
  font-size: 1.1rem;
  color: #666;
  display: block;
}

@media only screen and (min-width: 900px) {
  .backnumber {
    -webkit-border-radius: 5px;
    border-radius: 5px;
    border: 1px solid #FFDDDD;
    padding: 0 0 24px;
  }

  .backnumber h3 {
    font-size: 1.8rem;
    height: auto;
    margin: 19px 0 16px;
  }

  .backnumber ul {
    background: #FFF;
    border: none;
  }

  .backnumber li {
    border: none;
    width: 100%;
    font-size: 1.2rem;
    padding: 0 7px 0 18px;
    box-sizing: border-box;
    min-height: 56px;
  }

  .backnumber li:nth-child(odd) {
    background: #FFF4F5;
  }

  .backnumber .img {
    box-sizing: border-box;
    width: 62px;
    padding: 10px 0;
    display: table-cell;
    vertical-align: middle;
  }

  .backnumber .img img {
    width: 60px;
    height: auto;
    border: 1px solid #CCC;
  }

  .backnumber .txt {
    font-size: 1.2rem;
    width: 100%;
    padding: 10px 8px;
    box-sizing: border-box;
    line-height: 1.2;
  }

  .backnumber .txt span {
    font-size: 1.2rem;
    font-weight: bold;
    color: #666;
    display: block;
  }
}
/*広告*/
.ad-copyright {
  display: none;
  width: 468px;
  height: 60px;
  margin: 0 auto 50px;
}

.ad-copyright-rectangle {
  width: 300px;
  margin: 0 auto 30px;
}

.ad-copyright-sp {
  width: 320px;
  margin: 0 auto;
}

@media only screen and (min-width: 900px) {
  .ad-copyright {
    display: block;
  }

  .ad-copyright-rectangle,
  .ad-copyright-sp {
    display: none;
  }
}
@media only screen and (min-width: 768px) {
  .sec-articlelist {
    overflow: hidden;
    width: 630px;
    margin: 0 auto;
  }
}
@media only screen and (min-width: 900px) {
  .sec-articlelist {
    margin-left: 6px;
  }
}
.sec-articlelist .inner {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
@media only screen and (min-width: 768px) {
  .sec-articlelist .inner {
    float: left;
    display: block;
  }
}
.sec-articlelist .inner:nth-child(even) article:last-child {
  margin-right: 0;
}
.sec-articlelist + .inner article:first-child img {
  border: 1px solid #FF9D9D;
}
.sec-articlelist article {
  color: #666666;
  padding: 0 7px 19px;
  box-sizing: border-box;
  -moz-box-flex: 1;
  -webkit-box-flex: 1;
  -ms-box-flex: 1;
  box-flex: 1;
  width: 50%;
}
@media only screen and (min-width: 768px) {
  .sec-articlelist article {
    padding: 0;
    width: 137px;
    float: left;
    margin: 0 21px 17px 0;
  }
}
.sec-articlelist article a {
  width: 100%;
}
.sec-articlelist article .article-no,
.sec-articlelist article span {
  font-size: 1.4rem;
  font-weight: bold;
}
.sec-articlelist article .article-no {
  margin: 0 0 3px 3px;
}
@media only screen and (min-width: 768px) {
  .sec-articlelist article .article-no {
    font-size: 1.5rem;
    margin: 0 0 3px 1px;
  }
}
.sec-articlelist article span {
  color: #FF9D9D;
  float: right;
}
.sec-articlelist article img {
  width: 100%;
  height: auto;
  border: 1px solid #CCC;
}
.sec-articlelist article .article-title {
  font-weight: normal;
  text-decoration: underline;
  font-size: 1.2rem;
  margin: 4px 2px 0;
  line-height: 1.4;
}
@media only screen and (min-width: 768px) {
  .sec-articlelist article .article-title {
    font-size: 1.3rem;
    margin: 9px 2px 0;
  }
}

.sec-introduction {
  background: #FFF4F5;
  -webkit-border-radius: 5px;
  border-radius: 5px;
  position: relative;
  padding: 25px 16px 22px;
  max-width: 390px;
  margin: 27px auto 30px;
}
@media only screen and (min-width: 900px) {
  .sec-introduction {
    background: none;
    margin: 33px auto 73px;
    max-width: 580px;
    width: 580px;
    box-sizing: border-box;
    padding: 0;
  }
}
.sec-introduction h2 {
  background-image: url("../images/h_introduction.png");
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 109px auto;
  width: 113px;
  height: 24px;
  text-indent: -9999px;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  top: -10px;
}
@media only screen and (min-width: 900px) {
  .sec-introduction h2 {
    background-image: url("../images/h_introduction.png");
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 155px auto;
    width: 155px;
    height: 26px;
    top: 0;
  }
}
@media only screen and (min-width: 900px) {
  .sec-introduction ul {
    overflow: hidden;
    margin-top: 21px;
  }
}
.sec-introduction li {
  padding: 13px 0 0 81px;
  font-size: 1.2rem;
  line-height: 1.2;
  height: 54px;
  margin: 0 0 4px 0;
}
@media only screen and (min-width: 900px) {
  .sec-introduction li {
    padding: 239px 0 0 0;
    float: left;
    width: 160px;
    height: auto;
    margin: 0 16px;
  }
}
.sec-introduction li.ai {
  background-image: url("../images/intro_ai.png");
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 71px auto;
}
.sec-introduction li.sum {
  background-image: url("../images/intro_sum.png");
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 71px auto;
}
.sec-introduction li.shirota {
  background-image: url("../images/intro_shirota.png");
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 71px auto;
}
.sec-introduction li.souta {
  background-image: url("../images/intro_souta.png");
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 71px auto;
}
.sec-introduction li.ritsuko {
  background-image: url("../images/intro_ritsuko.png");
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 71px auto;
}
.sec-introduction li.haruto {
  background-image: url("../images/intro_haruto.png");
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 71px auto;
}
@media only screen and (min-width: 900px) {
  .sec-introduction li.ai {
    background-image: url("../images/intro_ai_pc.jpg");
    background-repeat: no-repeat;
    background-position: center 47px;
    background-size: 154px 180px;
  }
  .sec-introduction li.sum {
    background-image: url("../images/intro_sum_pc.jpg");
    background-repeat: no-repeat;
    background-position: center 47px;
    background-size: 154px 180px;
  }
  .sec-introduction li.shirota {
    background-image: url("../images/intro_shirota_pc.jpg");
    background-repeat: no-repeat;
    background-position: center 47px;
    background-size: 154px 180px;
  }
  .sec-introduction li.souta {
    background-image: url("../images/intro_souta_pc.jpg");
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 141px 79px;
  }
  .sec-introduction li.ritsuko {
    background-image: url("../images/intro_ritsuko_pc.jpg");
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 159px 79px;
  }
  .sec-introduction li.haruto {
    background-image: url("../images/intro_haruto_pc.jpg");
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 140px 79px;
  }
}
.sec-introduction .sub-chara li {
  font-size: 1.1rem;
  height: 38px;
}
@media only screen and (min-width: 900px) {
  .sec-introduction .sub-chara li {
    padding: 0 0 0 82px;
    width: 100px;
    height: 75px;
    margin: 0 4px 0 0;
  }
}
@media only screen and (min-width: 900px) {
  .sec-introduction .sub-chara li.haruto {
    width: 110px;
  }
}
.sec-introduction .sub-chara li p br {
  display: none;
}
@media only screen and (min-width: 900px) {
  .sec-introduction .sub-chara li p {
    margin-top: 34px;
    width: 100%;
  }
  .sec-introduction .sub-chara li p br {
    display: block;
  }
}
@media only screen and (min-width: 900px) {
  .sec-introduction .sub-chara li p.haruto {
    width: 122px;
  }
}