.pc_on {
  display: block !important;
}
@media screen and (max-width: 768px) {
  .pc_on {
    display: none !important;
  }
}

.sp_on {
  display: none !important;
}
@media screen and (max-width: 768px) {
  .sp_on {
    display: block !important;
  }
}

.grand-strategy {
  font-size: 16px;
}
.grand-strategy .container {
  max-width: 940px;
  width: 100%;
  margin: 0 auto;
  border-radius: 5px;
  -webkit-box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.3);
          box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.3);
}
@media screen and (max-width: 768px) {
  .grand-strategy .container {
    width: 90%;
  }
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .kv {
    padding: 40px 30px 0;
  }
}
.grand-strategy .container .detail .dtpl {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: distribute;
      justify-content: space-around;
  padding: 40px 60px;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl {
    display: block;
    padding: 20px 30px;
  }
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li:nth-of-type(n+2) {
    margin-top: 20px;
  }
}
.grand-strategy .container .detail .dtpl li .ttl {
  display: inline-block;
  font-size: 1.25em;
  color: #fff;
  background-color: #071739;
  padding: 0.2em 0.8em;
}
.grand-strategy .container .detail .dtpl li .ttl.pc_on {
  display: inline-block !important;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li .ttl {
    font-size: 1em;
  }
  .grand-strategy .container .detail .dtpl li .ttl.pc_on {
    display: none !important;
  }
}
.grand-strategy .container .detail .dtpl li.date .ttl__spdate {
  font-size: 1em;
  font-weight: bold;
  text-align: center;
}
.grand-strategy .container .detail .dtpl li.date .maintxt {
  margin-top: 10px;
  font-size: 1.25em;
}
.grand-strategy .container .detail .dtpl li.date .maintxt span {
  font-weight: bold;
  font-size: 1.875em;
}
.grand-strategy .container .detail .dtpl li.date .maintxt span.year {
  font-size: 1.25em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li.date .maintxt {
    font-size: 0.9em;
    text-align: center;
    margin-top: 5px;
  }
  .grand-strategy .container .detail .dtpl li.date .maintxt span {
    font-size: 1.875em;
  }
  .grand-strategy .container .detail .dtpl li.date .maintxt span.year {
    font-size: 1.25em;
  }
}
.grand-strategy .container .detail .dtpl li.date .subtxt {
  margin-top: 10px;
  font-size: 1.25em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li.date .subtxt {
    font-size: 1em;
    text-align: center;
    margin-top: 5px;
  }
}
.grand-strategy .container .detail .dtpl li.date .subtxt span {
  font-weight: bold;
}
.grand-strategy .container .detail .dtpl li.place .maintxt {
  margin-top: 22px;
  font-size: 1.25em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li.place .maintxt {
    margin-top: 11px;
    font-size: 1em;
  }
}
.grand-strategy .container .detail .dtpl li.place .subtxt {
  margin-top: 10px;
  font-size: 0.9375em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li.place .subtxt {
    margin-top: 5px;
    font-size: 0.8em;
  }
}
.grand-strategy .container .detail .dtpl li.place .modalbtn {
  display: block;
  text-align: center;
  color: #000;
  background-color: #f0ff00;
  max-width: 250px;
  width: 100%;
  margin: 15px auto 0;
  padding: 12px 15px;
  -webkit-transform: skewX(-20deg);
          transform: skewX(-20deg);
  -webkit-transition: none;
  transition: none;
}
.grand-strategy .container .detail .dtpl li.place .modalbtn p {
  -webkit-transform: skewX(20deg);
          transform: skewX(20deg);
}
.grand-strategy .container .detail .dtpl li.place .modalbtn p::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 15%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  border: 6px solid transparent;
  border-left: 9px solid #000;
}
.grand-strategy .container .detail .dtpl li.content {
  display: none;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li.content {
    display: block;
  }
}
.grand-strategy .container .detail .dtpl li.content .maintxt {
  margin-top: 22px;
  font-size: 1.25em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li.content .maintxt {
    margin-top: 11px;
    font-size: 1em;
  }
}
.grand-strategy .container .detail .dtpl li.content .subtxt {
  margin-top: 10px;
  font-size: 0.9375em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .detail .dtpl li.content .subtxt {
    margin-top: 5px;
    font-size: 0.8em;
  }
}
.grand-strategy .container .performer .day1 h4,
.grand-strategy .container .performer .day2 h4 {
  text-align: center;
  margin: 76px 0 50px;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 h4,
  .grand-strategy .container .performer .day2 h4 {
    margin: 38px 0 25px;
  }
  .grand-strategy .container .performer .day1 h4 img,
  .grand-strategy .container .performer .day2 h4 img {
    width: 50%;
  }
}
.grand-strategy .container .performer .day1 .performer__container,
.grand-strategy .container .performer .day2 .performer__container {
  padding: 0 50px;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container,
  .grand-strategy .container .performer .day2 .performer__container {
    padding: 0 20px;
  }
}
.grand-strategy .container .performer .day1 .performer__container:nth-of-type(n+2),
.grand-strategy .container .performer .day2 .performer__container:nth-of-type(n+2) {
  margin-top: 40px;
}
.grand-strategy .container .performer .day1 .performer__container .subttl,
.grand-strategy .container .performer .day2 .performer__container .subttl {
  font-size: 20px;
  position: relative;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .subttl,
  .grand-strategy .container .performer .day2 .performer__container .subttl {
    font-size: 16px;
  }
}
.grand-strategy .container .performer .day1 .performer__container .subttl::after,
.grand-strategy .container .performer .day2 .performer__container .subttl::after {
  content: "";
  width: 78%;
  height: 2px;
  background-image: -webkit-gradient(linear, left top, right top, color-stop(8%, rgb(23, 113, 191)), color-stop(45%, rgb(66, 166, 218)), color-stop(87%, rgb(109, 218, 245)));
  background-image: linear-gradient(90deg, rgb(23, 113, 191) 8%, rgb(66, 166, 218) 45%, rgb(109, 218, 245) 87%);
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .subttl::after,
  .grand-strategy .container .performer .day2 .performer__container .subttl::after {
    width: 54%;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents,
.grand-strategy .container .performer .day2 .performer__container .contents {
  margin-top: 40px;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents,
  .grand-strategy .container .performer .day2 .performer__container .contents {
    margin-top: 20px;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents.oneclm li,
.grand-strategy .container .performer .day2 .performer__container .contents.oneclm li {
  width: 100%;
}
.grand-strategy .container .performer .day1 .performer__container .contents.twoclm,
.grand-strategy .container .performer .day2 .performer__container .contents.twoclm {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.grand-strategy .container .performer .day1 .performer__container .contents.twoclm:nth-of-type(n+2),
.grand-strategy .container .performer .day2 .performer__container .contents.twoclm:nth-of-type(n+2) {
  border-top: solid 1px #ccc;
  margin-top: 40px;
  padding-top: 40px;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents.twoclm:nth-of-type(n+2),
  .grand-strategy .container .performer .day2 .performer__container .contents.twoclm:nth-of-type(n+2) {
    margin-top: 30px;
    padding-top: 30px;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents.twoclm li,
.grand-strategy .container .performer .day2 .performer__container .contents.twoclm li {
  width: 48%;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents.twoclm li,
  .grand-strategy .container .performer .day2 .performer__container .contents.twoclm li {
    width: 100%;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents.twoclm li .inner .imgtxt .left,
.grand-strategy .container .performer .day2 .performer__container .contents.twoclm li .inner .imgtxt .left {
  width: 35%;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents.twoclm li .inner .imgtxt .left,
  .grand-strategy .container .performer .day2 .performer__container .contents.twoclm li .inner .imgtxt .left {
    width: 28%;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents.twoclm li .inner .imgtxt .right,
.grand-strategy .container .performer .day2 .performer__container .contents.twoclm li .inner .imgtxt .right {
  width: 60%;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents.twoclm li .inner .imgtxt .right,
  .grand-strategy .container .performer .day2 .performer__container .contents.twoclm li .inner .imgtxt .right {
    width: 68%;
  }
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li:nth-of-type(n+2) .inner,
  .grand-strategy .container .performer .day2 .performer__container .contents li:nth-of-type(n+2) .inner {
    margin-top: 30px;
    padding-top: 30px;
    border-top: solid 1px #ccc;
  }
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner {
    padding: 0;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin-bottom: 1.2em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt {
    margin-bottom: 0;
  }
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt.nomaintxt,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt.nomaintxt {
    margin-bottom: 20px;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .left,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .left {
  width: 20%;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .left,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .left {
    width: 30%;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right {
  width: 76%;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right {
    width: 66%;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right.nomaintxt,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right.nomaintxt {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right .name,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right .name {
  font-size: 18px;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right .name,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right .name {
    font-size: 1em;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right .name span,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right .name span {
  font-size: 1.44444em;
  font-weight: bold;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right .name span,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right .name span {
    font-size: 1.2em;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right .maintxt,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right .maintxt {
  font-size: 15px;
  line-height: 1.6666666667em;
  margin: 1em 0;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .imgtxt .right .maintxt,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .imgtxt .right .maintxt {
    font-size: 0.8em;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture li,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture li {
  width: 100%;
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture li:nth-child(n+2),
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture li:nth-child(n+2) {
  margin-top: 1.5em;
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture .genre,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture .genre {
  font-weight: bold;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture .genre,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture .genre {
    font-size: 0.8em;
    line-height: 1.8em;
  }
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture .genre span,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture .genre span {
  padding: 0 0.5em;
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture .genre span.talksession,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture .genre span.talksession {
  background-color: #f5fe69;
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture .genre span.workshop,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture .genre span.workshop {
  background-color: #aaf6f9;
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture .genre span.number,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture .genre span.number {
  background-color: #f0f0f0;
  margin-right: 0.5em;
}
.grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture .title,
.grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture .title {
  font-size: 1.25em;
  line-height: 1.5em;
  font-weight: bold;
  margin-top: 1em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .day1 .performer__container .contents li .inner .lecture .title,
  .grand-strategy .container .performer .day2 .performer__container .contents li .inner .lecture .title {
    font-size: 1em;
    margin-top: 0.25em;
  }
}
.grand-strategy .container .performer .day1 .performer__container .subttl::after {
  background-image: -webkit-gradient(linear, left top, right top, color-stop(8%, rgb(23, 113, 191)), color-stop(45%, rgb(66, 166, 218)), color-stop(87%, rgb(109, 218, 245)));
  background-image: linear-gradient(90deg, rgb(23, 113, 191) 8%, rgb(66, 166, 218) 45%, rgb(109, 218, 245) 87%);
}
.grand-strategy .container .performer .day2 .performer__container .subttl::after {
  background-image: -webkit-gradient(linear, left top, right top, color-stop(8%, rgb(228, 89, 188)), color-stop(38%, rgb(227, 137, 220)), color-stop(87%, rgb(225, 184, 251)));
  background-image: linear-gradient(90deg, rgb(228, 89, 188) 8%, rgb(227, 137, 220) 38%, rgb(225, 184, 251) 87%);
}
.grand-strategy .container .performer .bnrarea {
  padding: 0 50px;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .bnrarea {
    padding: 0 20px;
  }
}
.grand-strategy .container .performer .bnrarea .inner {
  margin-top: 40px;
  padding: 40px 0;
  width: 100%;
  border-top: solid 1px #ccc;
}
@media screen and (max-width: 768px) {
  .grand-strategy .container .performer .bnrarea .inner {
    margin-top: 30px;
    padding: 30px 0;
  }
}
.grand-strategy .tagarea {
  max-width: 940px;
  width: 100%;
  margin: 25px auto 60px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  gap: 0.5em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .tagarea {
    width: 90%;
  }
}
.grand-strategy .tagarea li {
  font-size: 0.875em;
  font-weight: bold;
  background-color: #ebebeb;
  padding: 0.2em 0.5em;
}
@media screen and (max-width: 768px) {
  .grand-strategy .tagarea li {
    font-size: 0.78em;
  }
}

#event .btn_container {
  margin-top: 60px;
}