@media only screen and (min-width: 751px) {
  .main_contents {
    background: url("../img/pc/common/bg_logo.png") fixed no-repeat -180px center, url("../img/pc/common/bg_logo.png") fixed no-repeat right -180px center;
  }
}
@media only screen and (max-width: 750px) {
  .main_contents {
    position: relative;
  }
  .main_contents::before {
    background: url("../img/sp/common/bg_logo.png") no-repeat center center;
    content: "";
    height: 100%;
    left: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: -1;
  }
}
.main_contents h2 {
  background: no-repeat center;
  -webkit-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  text-align: center;
  position: relative;
}
.main_contents h2:after {
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  background: url("../img/pc/common/line.png") repeat-x center;
  position: absolute;
  bottom: -1px;
}
@media only screen and (min-width: 751px) {
  .main_contents h2 {
    background-image: url("../img/pc/common/bg_title.jpg");
    padding: 110px 0 47px;
  }
  .main_contents h2 img {
    width: auto;
    height: 80px;
  }
}
@media only screen and (max-width: 750px) {
  .main_contents h2 {
    background-image: url("../img/sp/common/bg_title.jpg");
    padding: 155px 0 47px;
  }
  .main_contents h2 img {
    width: 100%;
  }
}

.main_contents h2 {
  margin-bottom: 85px;
}

.list_howto li a {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}
@media only screen and (min-width: 751px) {
  .list_howto {
    width: 1120px;
    margin: auto;
    padding-bottom: 65px;
  }
  .list_howto li {
    position: relative;
    float: left;
    margin-right: 20px;
    margin-bottom: 20px;
    width: 360px;
    height: 190px;
  }
  .list_howto li:nth-child(3n) {
    margin-right: 0;
  }
  .list_howto li .title {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -25px 0 0 -180px;
  }
  .list_howto li:after {
    content: url("../img/pc/in_howtoplay/index/frame_thumb.png");
    position: absolute;
    top: 0;
    left: 0;
  }
  .list_howto li:before {
    content: '';
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }
  .list_howto li:hover:before {
    opacity: 1;
  }
  .list_howto .story {
    background: url("../img/pc/in_howtoplay/index/thumb_story_off.jpg");
  }
  .list_howto .story:before {
    background: url("../img/pc/in_howtoplay/index/thumb_story_on.jpg");
  }
  .list_howto .system {
    background: url("../img/pc/in_howtoplay/index/thumb_system_off.jpg");
  }
  .list_howto .system:before {
    background: url("../img/pc/in_howtoplay/index/thumb_system_on.jpg");
  }
  .list_howto .party {
    background: url("../img/pc/in_howtoplay/index/thumb_party_off.jpg");
  }
  .list_howto .party:before {
    background: url("../img/pc/in_howtoplay/index/thumb_party_on.jpg");
  }
  .list_howto .craft {
    background: url("../img/pc/in_howtoplay/index/thumb_craftessence_off.jpg");
  }
  .list_howto .craft:before {
    background: url("../img/pc/in_howtoplay/index/thumb_craftessence_on.jpg");
  }
  .list_howto .servant {
    background: url("../img/pc/in_howtoplay/index/thumb_servant_off.jpg");
  }
  .list_howto .servant:before {
    background: url("../img/pc/in_howtoplay/index/thumb_servant_on.jpg");
  }
  .list_howto .master {
    background: url("../img/pc/in_howtoplay/index/thumb_master_off.jpg");
  }
  .list_howto .master:before {
    background: url("../img/pc/in_howtoplay/index/thumb_master_on.jpg");
  }

  .howto_bnr_list {
    font-size: 0;
    margin: 0 auto;
    padding-bottom: 140px;
    width: 1120px;
  }
  .howto_bnr_list > li {
    display: inline-block;
    position: relative;
    width: 552px;
  }
  .howto_bnr_list > li a {
    display: block;
    position: relative;
    transition: opacity .2s ease;
  }
  .howto_bnr_list > li a::before {
    background-color: #fff;
    bottom: 0;
    content: "";
    height: 122px;
    left: 0;
    position: absolute;
    width: 100%;
  }
  .howto_bnr_list > li a:hover {
    opacity: .7;
  }
  .howto_bnr_list > li img {
    height: auto;
    line-height: 0;
    max-width: 100%;
    position: relative;
    vertical-align: bottom;
    width: 100%;
  }
  .howto_bnr_list > li:first-child {
    margin-right: 16px;
  }
  .playguide_attention {
    color: #666;
    font-feature-settings: "palt" 1;
    font-family: 'Arial',YuGothic,'Yu Gothic','Hiragino Kaku Gothic ProN','ヒラギノ角ゴ ProN W3','メイリオ', Meiryo,sans-serif;
    font-size: 13px;
    letter-spacing: .055em;
    line-height: 1.5;
    position: absolute;
    top: 130px;
    width: 555px;
  }
}
@media only screen and (max-width: 750px) {
  .list_howto {
    margin: 0 30px;
    padding-bottom: 75px;
  }
  .list_howto li {
    width: 335px;
    height: 177px;
    margin-bottom: 20px;
    position: relative;
  }
  .list_howto li:nth-child(odd) {
    float: left;
  }
  .list_howto li:nth-child(even) {
    float: right;
  }
  .list_howto li:after {
    background: url("../img/sp/in_howtoplay/index/frame_thumb.png") no-repeat center;
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: absolute;
  }
  .list_howto .story {
    background: url("../img/sp/in_howtoplay/index/thumb_story.jpg");
  }
  .list_howto .system {
    background: url("../img/sp/in_howtoplay/index/thumb_system.jpg");
  }
  .list_howto .party {
    background: url("../img/sp/in_howtoplay/index/thumb_party.jpg");
  }
  .list_howto .craft {
    background: url("../img/sp/in_howtoplay/index/thumb_craftessence.jpg");
  }
  .list_howto .servant {
    background: url("../img/sp/in_howtoplay/index/thumb_servant.jpg");
  }
  .list_howto .master {
    background: url("../img/sp/in_howtoplay/index/thumb_master.jpg");
  }

  .howto_bnr_list {
    padding: 0 0 90px;
  }
  .howto_bnr_list li {
    margin: 0 auto 40px;
    width: 600px;
  }
  .playguide_attention {
    color: #666;
    font-feature-settings: "palt" 1;
    font-family: 'Arial',YuGothic,'Yu Gothic','Hiragino Kaku Gothic ProN','ヒラギノ角ゴ ProN W3','メイリオ', Meiryo,sans-serif;
    font-size: 22px;
    letter-spacing: .08em;
    line-height: 1.3;
    width: 600px;
  }
  .playguide_attention li {
    margin: 10px 0 15px;
    padding-left: 22px;
    text-indent: -22px;
  }
}

.ditail_howto {
  overflow: hidden;
  margin-bottom: 50px;
  position: relative;
}
.ditail_howto h3 {
  border-top: 3px double #e0dfce;
  border-bottom: 3px double #e0dfce;
  text-align: center;
  padding: 20px 0;
}
.ditail_howto .prev, .ditail_howto .next {
  position: absolute;
  cursor: pointer;
}
.ditail_howto .prev img, .ditail_howto .next img {
  width: 100%;
}
.ditail_howto .prev {
  left: 0;
  display: none;
}
.ditail_howto .next {
  right: 0;
}
.ditail_howto .pager {
  text-align: center;
  letter-spacing: -0.4em;
  margin-top: 30px;
}
.ditail_howto .pager li {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: #c5c5c5;
  -webkit-border-radius: 10px;
  border-radius: 10px;
  margin: 0 5px;
  cursor: pointer;
}
.ditail_howto .pager li.current {
  background: #225799;
}
@media only screen and (min-width: 751px) {
  .ditail_howto .prev, .ditail_howto .next {
    width: 40px;
    top: 342px;
  }
  .ditail_howto h3 {
    width: 960px;
    margin: 0 auto 50px;
  }
  .ditail_howto h3 img {
    width: auto;
    height: 30px;
  }
}
@media only screen and (max-width: 750px) {
  .ditail_howto .prev, .ditail_howto .next {
    top: 382px;
  }
  .ditail_howto h3 {
    margin: 0 30px 60px;
  }
}
.ditail_howto .slide_howto {
  position: relative;
  left: 50%;
  margin-left: -345px;
}
.ditail_howto .slide_howto.story ul {
  width: 1440px;
}
.ditail_howto .slide_howto.system ul {
  width: 5760px;
}
.ditail_howto .slide_howto.servant ul {
  width: 2880px;
}
.ditail_howto .slide_howto.party ul {
  width: 2160px;
}
.ditail_howto .slide_howto.master ul {
  width: 1440px;
}
.ditail_howto .wrap_howto_one {
  width: 690px;
  float: left;
  margin-right: 30px;
}
.ditail_howto .wrap_howto_one h4 {
  text-align: center;
  font-size: 24px;
  line-height: 1.4;
  margin-bottom: 25px;
  color: #b3b3b3;
  -webkit-transition: all 0.6s ease;
  -moz-transition: all 0.6s ease;
  -ms-transition: all 0.6s ease;
  -o-transition: all 0.6s ease;
  transition: all 0.6s ease;
}
.ditail_howto .wrap_howto_one .img {
  position: relative;
  width: 690px;
  margin-bottom: 25px;
}
.ditail_howto .wrap_howto_one .img img {
  width: 100%;
}
.ditail_howto .wrap_howto_one .img:before {
  content: url("../img/pc/in_howtoplay/detail/frame_img.png");
  position: absolute;
  top: 0;
  left: 0;
}
.ditail_howto .wrap_howto_one .img:after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: #FFF;
  opacity: 0.7;
  -webkit-transition: all 0.6s ease;
  -moz-transition: all 0.6s ease;
  -ms-transition: all 0.6s ease;
  -o-transition: all 0.6s ease;
  transition: all 0.6s ease;
}
.ditail_howto .wrap_howto_one .text {
  line-height: 1.8;
  color: #b3b3b3;
  -webkit-transition: all 0.6s ease;
  -moz-transition: all 0.6s ease;
  -ms-transition: all 0.6s ease;
  -o-transition: all 0.6s ease;
  transition: all 0.6s ease;
}
.ditail_howto .wrap_howto_one.current {
  opacity: 1;
}
.ditail_howto .wrap_howto_one.current h4, .ditail_howto .wrap_howto_one.current .text {
  color: #000;
}
.ditail_howto .wrap_howto_one.current h4 .quick, .ditail_howto .wrap_howto_one.current .text .quick {
  color: #227B0D;
}
.ditail_howto .wrap_howto_one.current h4 .arts, .ditail_howto .wrap_howto_one.current .text .arts {
  color: #11429F;
}
.ditail_howto .wrap_howto_one.current h4 .buster, .ditail_howto .wrap_howto_one.current .text .buster {
  color: #A21815;
}
.ditail_howto .wrap_howto_one.current h4 .bold, .ditail_howto .wrap_howto_one.current .text .bold {
  font-weight: 700;
}
.ditail_howto .wrap_howto_one.current .img:after {
  opacity: 0;
}
@media only screen and (max-width: 750px) {
  .ditail_howto .wrap_howto_one h4 {
    font-size: 30px;
  }
  .ditail_howto .wrap_howto_one .text {
    font-size: 26px;
  }
}

@media only screen and (min-width: 751px) {
  .top_nav {
    width: 960px;
    margin: 0 auto 80px;
  }
}
@media only screen and (max-width: 750px) {
  .top_nav {
    margin-bottom: 60px;
  }
  .top_nav ul {
    margin: 0 30px;
  }
}

.bottom_nav {
  border-top: 1px solid #e8e4be;
}
@media only screen and (min-width: 751px) {
  .bottom_nav {
    width: 960px;
    margin: 0 auto;
    padding-bottom: 150px;
  }
}
@media only screen and (max-width: 750px) {
  .bottom_nav {
    padding-bottom: 100px;
  }
  .bottom_nav ul {
    margin: 0 30px;
  }
}

.tab_howtoplay {
  padding: 30px 0;
}
.tab_howtoplay li {
  overflow: hidden;
}
.tab_howtoplay li.current img {
  margin-top: -36px;
}
.tab_howtoplay li a {
  display: block;
  width: 100%;
  height: 100%;
}
@media only screen and (min-width: 751px) {
  .tab_howtoplay {
    width: 960px;
  }
  .tab_howtoplay ul {
    letter-spacing: -.4em;
  }
  .tab_howtoplay li {
    width: 155px;
    margin-right: 6px;
    display: inline-block;
    height: 36px;
  }
  .tab_howtoplay li:last-child {
    margin-right: 0;
  }
  .tab_howtoplay .story {
    background: url("../img/pc/in_howtoplay/detail/tab_story.jpg");
  }
  .tab_howtoplay .system {
    background: url("../img/pc/in_howtoplay/detail/tab_system.jpg");
  }
  .tab_howtoplay .servant {
    background: url("../img/pc/in_howtoplay/detail/tab_servant.jpg");
  }
  .tab_howtoplay .party {
    background: url("../img/pc/in_howtoplay/detail/tab_party.jpg");
  }
  .tab_howtoplay .craft {
    background: url("../img/pc/in_howtoplay/detail/tab_craftessence.jpg");
  }
  .tab_howtoplay .master {
    background: url("../img/pc/in_howtoplay/detail/tab_master.jpg");
  }
  .tab_howtoplay .current {
    background-position: bottom;
  }
}
@media only screen and (max-width: 750px) {
  .tab_howtoplay li {
    width: 340px;
    height: 58px;
    margin-bottom: 10px;
  }
  .tab_howtoplay li:nth-child(odd) {
    float: left;
  }
  .tab_howtoplay li:nth-child(even) {
    float: right;
  }
  .tab_howtoplay .story {
    background: url("../img/sp/in_howtoplay/detail/tab_story.jpg");
  }
  .tab_howtoplay .system {
    background: url("../img/sp/in_howtoplay/detail/tab_system.jpg");
  }
  .tab_howtoplay .servant {
    background: url("../img/sp/in_howtoplay/detail/tab_servant.jpg");
  }
  .tab_howtoplay .party {
    background: url("../img/sp/in_howtoplay/detail/tab_party.jpg");
  }
  .tab_howtoplay .craft {
    background: url("../img/sp/in_howtoplay/detail/tab_craftessence.jpg");
  }
  .tab_howtoplay .master {
    background: url("../img/sp/in_howtoplay/detail/tab_master.jpg");
  }
  .tab_howtoplay .current {
    background-position: bottom;
  }
}