html {
  overflow-x: hidden;
  scroll-padding-top: 70px;
}
body {
  background-color: #051542;
  color: #ffffff;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: normal;
  overflow-x: hidden;
  position: relative;
}

div.wrap {
  overflow-x: hidden;
}

@media screen and (min-width: 992px) {
  /*PC*/
  p {
    font-size: 18px;
    margin-bottom: 24px;
  }
}

@media screen and (max-width: 991.88px) {
  /*SP*/
  p {
    font-size: 10px;
    margin-bottom: 24px;
  }
}

/*---------nav---------*/

@media screen and (min-width: 720px) {

.header-nav li {
  padding-left: 12px;
  font-size: 24px;
}

.header-nav li a {
  color: #ffffff;
}

.header-nav a.btn {
  font-size: 24px;
  background-color: #ff4b04;
  padding: 6px 20px !important;
  margin-top: 0px;
  border-radius: 18px;
  font-weight: bold;
}

.change-color {
  background-color: #070f34 !important;
  transition: 0.3s;
  opacity: 0.9;
}

.br-sp {display: none; }

.br-sp2 {display: none; }


.sp {
  display: none !important;
}

}

@media screen and (min-width: 640px) and (max-width: 719px) {
  /*SP*/
  .header-nav li {
    padding-left: 12px;
    font-size: 20px;
  }
  
  .header-nav li a {
    color: #ffffff;
  }
  
  .header-nav a.btn {
    font-size: 20px;
    background-color: #ff4b04;
    padding: 6px 20px !important;
    margin-top: 0px;
    border-radius: 18px;
    font-weight: bold;
  }
  
  .change-color {
    background-color: #070f34 !important;
    transition: 0.3s;
    opacity: 0.9;
  }

  .br-sp2 {display: none; }

  .sp {
    display: none !important;
  }

}

@media screen and (min-width: 476px) and (max-width: 639px) {

  .header-nav li {
    padding-left: 12px;
    font-size: 14px;
  }
  
  .header-nav li a {
    color: #ffffff;
  }
  
  .header-nav a.btn {
    font-size: 14px;
    background-color: #ff4b04;
    padding: 6px 10px !important;
    margin-top: 3px;
    border-radius: 18px;
    font-weight: bold;
  }
  
  .change-color {
    background-color: #070f34 !important;
    transition: 0.3s;
    opacity: 0.9;
  }

  .sp {
    display: none !important;
  }
  
}

@media screen and (max-width: 475px) {



  .header-nav li {
    padding-left: 10px;
    font-size: 12px;
  }
  
  .header-nav li a {
    color: #ffffff;
  }
  
  .header-nav a.btn {
    width: 80px;
    font-size: 12px;
    background-color: #ff4b04;
    padding: 4px 5px !important;
    margin-top: 6px;
    border-radius: 18px;
    font-weight: bold;
  }
  
  .change-color {
    background-color: #070f34 !important;
    transition: 0.3s;
    opacity: 0.9;
  }

  .pc {
    display: none !important;
  }
  
}


/*---------//nav---------*/

/*---------Overview---------*/

div.overview {
  border: 1px solid #adafb5;
  opacity: 1;
  background-image: url(../images/bg_w.png);
}

.overview h2 {
  font-family: "Roboto", sans-serif;
}

@media screen and (min-width: 992px) {
  /*PC*/

  #overview {
    margin-bottom: 80px;
  }

  .overview h2 {
    font-size: 80px;
    margin-bottom: 48px;
  }

  div.overview {
    width: 100%;
    max-width: 900px;
    padding: 100px 70px;
    position: relative;
    margin-bottom: 120px;
    border-radius: 15px;
  }

  .bg-parts-3 {
    position: absolute;
    width: 100px;
    top: -40px;
    right: -20px;
  }
}

@media screen and (max-width: 991.88px) {
  /*SP*/

  #overview {
    margin-bottom: 40px;
  }

  .overview h2 {
    font-size: 30px;
    margin-bottom: 24px;
  }
  div.overview {
    padding: 45px 20px;
    position: relative;
    margin-bottom: 60px;
    border-radius: 8px;
  }

  .bg-parts-3 {
    position: absolute;
    width: 50px;
    top: -20px;
    right: -10px;
  }
}

/*---------//overview---------*/

/*---------Form---------*/

div.form {
  border: 1px solid #adafb5;
  opacity: 1;
  background-image: url(../images/bg_w.png);
}

.form h2 {
  font-family: "Roboto", sans-serif;
}

@media screen and (min-width: 992px) {
  /*PC*/

  #form {
    margin-bottom: 80px;
  }

  .form h2 {
    font-size: 80px;
    margin-bottom: 48px;
  }

  div.form {
    width: 100%;
    max-width: 800px;
    padding: 100px 70px;
    position: relative;
    margin-bottom: 120px;
    border-radius: 15px;
  }

  .bg-parts-3 {
    position: absolute;
    width: 100px;
    top: -40px;
    right: -20px;
  }
}

@media screen and (max-width: 991.88px) {
  /*SP*/

  #form {
    margin-bottom: 40px;
  }

  .form h2 {
    font-size: 30px;
    margin-bottom: 24px;
  }
  div.form {
    padding: 45px 20px;
    position: relative;
    margin-bottom: 60px;
    border-radius: 8px;
  }

  .bg-parts-3 {
    position: absolute;
    width: 50px;
    top: -20px;
    right: -10px;
  }
}

/*---------//form---------*/

/*---------About---------*/

div.about {
  width: 100%;
  max-width: 1200px;
  position: relative;
}

div.about table {
  width: 100%;
}

div.about table th {
  display: table-cell;
  vertical-align: top;
}

div.about table th span {
  display: table-cell;
  vertical-align: middle;
  background-image: url(../images/tl_bg.png);
  background-size: cover;
  text-align: center;
}

div.about table td {
  font-weight: normal;
}

/*PC*/
@media screen and (min-width: 992px) {
  div.about {
    margin-bottom: 120px;
    max-width: 1200px;
    width: 100%;
  }

  div.about h2 img {
    width: 380px;
  }
  div.about h2 {
    margin-bottom: 35px;
  }

  div.about table th,
  td {
    padding-bottom: 48px;
  }

  div.about table th {
    width: 190px;
  }
  div.about table th span {
    width: 155px;
    height: 51px;
    font-size: 20px;
  }
  div.about table td {
    font-size: 20px;
  }

  div.about-date {
    border-right: solid 2px #989898;
    font-size: 23px;
    letter-spacing: 8px;
    height: 106px;
    padding-top: 16px;
    padding-right: 24px;
    float: left;
    margin-right: 48px;
  }
  div.about-date span {
    font-size: 36px;
  }

  div.about-time ul li {
    font-size: 20px;
    margin-bottom: 8px;
  }

  div.about-time ul li span {
    font-weight: bold;
  }

  .table-place span {
    font-size: 16px;
  }

  .table-target li {
    margin-bottom: 8px;
  }
}

/*SP*/
@media screen and (max-width: 991.88px) {
  div.about {
    margin-bottom: 60px;
  }

  div.about h2 img {
    width: 190px;
  }
  div.about h2 {
    margin-bottom: 35px;
  }

  div.about table th,
  td {
    padding-bottom: 24px;
  }

  div.about table th {
    width: 120px;
  }

  div.about table th span {
    width: 99px;
    height: 32px;
    font-size: 13px;
  }
  div.about table td {
    font-size: 12px;
  }

  div.about ul {
    padding-top: 8px;
    padding-left: 14px;
  }

  div.about-date {
    width: 100%;
    border-bottom: solid 2px #989898;
    font-size: 12px;
    letter-spacing: 4px;
    height: 52px;
  }
  div.about-date span {
    font-size: 22px;
  }

  div.about-time ul li {
    font-size: 12px;
    margin-bottom: 8px;
  }

  div.about-time ul li span {
    font-weight: bold;
  }

  .table-place span {
    font-size: 10px;
  }
}
/*---------//About---------*/

/*---------Time Table---------*/

div.time-table-outer {
  max-width: 700px;
  width: 100%;
  position: relative;
}

div.time-table {
  max-width: 700px;
  position: relative;
  width: 100%;
  border: 1px solid #adafb5;
  opacity: 1;
  background-image: url(../images/bg_w.png);
  background-size: cover;
  background-position: center center;

  padding: 100px 70px;
  margin-bottom: 120px;
  border-radius: 15px;
}

table.table-time-table {
  width: 100%;
}

table.table-time-table th {
  vertical-align: top;
}

/*PC1*/
@media screen and (min-width: 992px) {
  #time-table img {
    width: 638px;
    margin-bottom: 46px;
  }
  div.time-table {
    padding: 100px 50px;
    margin-bottom: 120px;
    border-radius: 16px;
  }
  table.table-time-table th {
    width: 240px;
  }
  th.time-table-th-1 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #2385ff;
    font-size: 22px;
    width: 240px;
  }
  th.time-table-th-2 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #ff4b04;
    font-size: 22px;
    width: 240px;
  }
  table.table-time-table td {
    font-size: 22px;
    font-weight: bold;
  }
  table.table-time-table td p {
    font-size: 22px;
    font-weight: bold;
  }

  table.table-time-table td span.big {
    font-size: 20px;
    font-weight: bold;
  }

  table.table-time-table td span.mid {
    font-size: 18px;
    font-weight: normal;
  }

  table.table-time-table td span.small {
    font-size: 16px;
    font-weight: normal;
  }
  hr.time-table-line {
    display: block;
    margin-bottom: 60px;
  }



}

/*PC2*/
@media screen and (min-width: 768px) and (max-width: 991.88px)  {
  #time-table img {
    width: 638px;
    margin-bottom: 46px;
  }
  div.time-table {
    padding: 100px 60px;
    margin-bottom: 120px;
    border-radius: 16px;
  }
  table.table-time-table th {
    width: 240px;
  }
  th.time-table-th-1 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #2385ff;
    font-size: 22px;
    width: 240px;
  }
  th.time-table-th-2 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #ff4b04;
    font-size: 22px;
    width: 240px;
  }
  table.table-time-table td {
    font-size: 20px;
    font-weight: bold;
  }
  table.table-time-table td p {
    font-size: 20px;
    font-weight: bold;
  }

  table.table-time-table td span.big {
    font-size: 16px;
    font-weight: bold;
  }

  table.table-time-table td span.mid {
    font-size: 18px;
    font-weight: normal;
  }

  table.table-time-table td span.small {
    font-size: 16px;
    font-weight: normal;
  }
  hr.time-table-line {
    display: block;
    margin-bottom: 60px;
  }



}

/*PC3*/
@media screen and (min-width: 767px) and (max-width: 768px)  {
  #time-table img {
    width: 638px;
    margin-bottom: 46px;
  }
  div.time-table {
    padding: 100px 60px;
    margin-bottom: 120px;
    border-radius: 16px;
  }
  table.table-time-table th {
    width: 240px;
  }
  th.time-table-th-1 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #2385ff;
    font-size: 22px;
    width: 240px;
  }
  th.time-table-th-2 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #ff4b04;
    font-size: 22px;
    width: 240px;
  }
  table.table-time-table td {
    font-size: 20px;
    font-weight: bold;
  }
  table.table-time-table td p {
    font-size: 20px;
    font-weight: bold;
  }

  table.table-time-table td span.big {
    font-size: 16px;
    font-weight: bold;
  }

  table.table-time-table td span.mid {
    font-size: 18px;
    font-weight: normal;
  }

  table.table-time-table td span.small {
    font-size: 16px;
    font-weight: normal;
  }
  hr.time-table-line {
    display: block;
    margin-bottom: 60px;
  }



}

/*TB*/
@media screen and (min-width: 461px) and (max-width: 767px) {
  #time-table img {
    width: 319px;
    margin-bottom: 23px;
  }
  div.time-table {
    padding: 18px 12px;
    margin-bottom: 60px;
    border-radius: 8px;
  }
  th.time-table-th-1 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #2385ff;
    font-size: 19px;
    width: 160px;
  }
  th.time-table-th-1 span {
    writing-mode: vertical-rl;
    margin-left: 8px;
  }

  table.table-time-table td {
    font-size: 20px;
    font-weight: bold;
  }
  table.table-time-table td p {
    font-size: 22px;
    font-weight: bold;
  }

  table.table-time-table td span.big {
    font-size: 18px;
    font-weight: bold;
  }

  table.table-time-table td span.mid {
    font-size: 15px;
    font-weight: normal;
  }

  table.table-time-table td span.small {
    font-size: 12px;
    font-weight: normal;
  }
  th.time-table-th-2 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #ff4b04;
    font-size: 19px;
    width: 160px;
  }
  th.time-table-th-2 span {
    writing-mode: vertical-rl;
    margin-left: 8px;
  }
  hr.time-table-line {
    margin-bottom: 30px;
  }



}


/*SP*/
@media screen and (max-width: 460px) {
  #time-table img {
    width: 319px;
    margin-bottom: 23px;
  }
  div.time-table {
    padding: 18px 12px;
    margin-bottom: 60px;
    border-radius: 8px;
  }
  th.time-table-th-1 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #2385ff;
    font-size: 17px;
    width: 80px;
  }
  th.time-table-th-1 span {
    writing-mode: vertical-rl;
    margin-left: 8px;
  }

  table.table-time-table td {
    font-size: 16px;
    font-weight: bold;
  }
  table.table-time-table td p {
    font-size: 12px;
    font-weight: bold;
  }

  table.table-time-table td span.big {
    font-size: 12px;
    font-weight: bold;
  }

  table.table-time-table td span.mid {
    font-size: 10px;
    font-weight: normal;
  }

  table.table-time-table td span.small {
    font-size: 10px;
    font-weight: normal;
  }
  th.time-table-th-2 {
    font-family: "Roboto", sans-serif;
    font-weight: bold;
    color: #ff4b04;
    font-size: 17px;
    width: 85px;
  }
  th.time-table-th-2 span {
    writing-mode: vertical-rl;
    margin-left: 8px;
  }
  hr.time-table-line {
    margin-bottom: 30px;
  }

}
/*---------//Time Table---------*/

/*---------Public Speakers---------*/

div.public-speakers {
  width: 100%;
  max-width: 1200px;
}

/*PC*/

@media screen and (min-width: 992px) {
  div.public-speakers h2 img {
    width: 400px;
    margin-bottom: 40px;
  }

  div.speaker-box {
    margin-bottom: 100px;
  }

  div.speaker-box img {
    margin-bottom: 28px;
  }

  div.speaker-box h3 {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 14px;
  }

  div.speaker-box h3 span {
    font-size: 16px;
    font-weight: bold;
    display: block;
    margin-bottom: 8px;
  }

  div.speaker-box p {
    font-size: 18px;
  }

  span.shinkou {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    background-image: url(../images/tl_bg.png);
    width: 155px;
    height: 51px;
    background-size: cover;
    font-size: 20px;
  }
}
/*SP*/
@media screen and (max-width: 991.88px) {
  div.public-speakers h2 img {
    width: 345px;
    margin-bottom: 24px;
  }

  div.speaker-box {
    margin-bottom: 40px;
  }

  div.speaker-box img {
    margin-bottom: 32px;
  }

  div.speaker-box h3 {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 12px;
  }

  div.speaker-box h3 span {
    font-size: 12px;
    font-weight: bold;
    display: block;
    margin-bottom: 8px;
  }

  div.speaker-box p {
    font-size: 10px;
  }
  span.shinkou {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    background-image: url(../images/tl_bg.png);
    width: 100px;
    height: 32px;
    background-size: cover;
    font-size: 13px;
  }
}
/*---------//Public Speakers---------*/

/*---------FAQ---------*/
div.faq {
  width: 100%;
  max-width: 800px;
}
div.faq-box {
  width: 100%;
  border: 1px solid #adafb5;
  opacity: 1;
  background-image: url(../images/bg_w.png);
  background-size: cover;
  background-position: center center;
}
/*PC*/
@media screen and (min-width: 992px) {
  div.faq h2 img {
    width: 324px;
    margin-bottom: 40px;
  }
  div.faq-box {
    padding: 50px;
    margin-bottom: 120px;
    border-radius: 16px;
  }

  div.faq-list {
    margin-bottom: 60px;
  }

  div.faq-list h3 img {
    margin-right: 16px;
    position: relative;
    top: -2px;
  }

  div.faq-list h3 {
    font-weight: bold;
    font-size: 20px;
    margin-bottom: 16px;
  }

  div.faq-list p {
    font-size: 20px;
  }
  hr.faq-line {
    display: block;
    margin-bottom: 60px;
  }
}
/*SP*/
@media screen and (max-width: 991.88px) {
  div.faq h2 img {
    width: 160px;
    margin-bottom: 24px;
  }
  div.faq-box {
    padding: 20px;
    margin-bottom: 60px;
    border-radius: 8px;
  }

  div.faq-list {
    margin-bottom: 30px;
  }

  div.faq-list h3 img {
    margin-right: 8px;
    position: relative;
    top: -1px;
    width: 18px;
  }

  div.faq-list h3 {
    font-weight: bold;
    font-size: 10px;
    margin-bottom: 8px;
  }

  div.faq-list p {
    font-size: 10px;
  }
  hr.faq-line {
    display: block;
    margin-bottom: 30px;
  }
}
/*---------//FAQ---------*/

/*---------Inquiry---------*/

/*PC*/
@media screen and (min-width: 992px) {
  #inquiry {
    margin-bottom: 120px;
  }

  div.inquiry {
    width: 750px;
  }
  .inquiry-btn {
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    width: 750px;
    height: 120px;
    background-color: #ff4b04;
    border-radius: 60px;
    font-weight: bold;
    font-size: 30px;
    color: #ffffff;
    text-decoration: none;
    filter: drop-shadow(0px 20px 20px #ff4a03af);
  }
}

/*SP*/
@media screen and (max-width: 991.88px) {
  #inquiry {
    margin-bottom: 60px;
  }

  div.inquiry {
    width: 345px;
  }
  .inquiry-btn {
    display: table-cell;
    width: 345px;
    height: 75px;
    text-align: center;
    vertical-align: middle;
    background-color: #ff4b04;
    border-radius: 60px;
    font-weight: bold;
    font-size: 15px;
    color: #ffffff;
    text-decoration: none;
    filter: drop-shadow(0px 10px 10px #ff4a03af);
  }
}
/*---------//Inquiry---------*/

/*---------Footer---------*/

footer {
  text-align: center;
}

/*PC*/
@media screen and (min-width: 992px) {
  footer img {
    width: 366px;
    margin-bottom: 60px;
  }

  footer p {
    font-size: 12px;
    margin-bottom: 40px;
  }
}

/*SP*/
@media screen and (max-width: 991.88px) {
  footer img {
    width: 182px;
    margin-bottom: 30px;
  }

  footer p {
    font-size: 10px;
    margin-bottom: 20px;
  }
}
/*---------//Footer---------*/

section {
  position: relative;
}

/*PC*/
@media screen and (min-width: 992px) {
  .bg-parts-1 {
    z-index: -9999 !important;
    position: absolute;
    top: 1100px;
    left: -300px;
  }

  .bg-parts-2 {
    z-index: -9999 !important;
    position: absolute;
    right: -500px;
    top: 2000px;
  }
  .bg-parts-4 {
    z-index: -9999 !important;
    position: absolute;
    top: 3400px;
    left: -200px;
  }
  .bg-parts-5 {
    z-index: -9999 !important;
    position: absolute;
    right: -250px;
    top: 4300px;
  }

  .bg-parts-6 {
    z-index: -9999 !important;
    position: absolute;
    top: 4600px;
    left: -300px;
  }

  .bg-parts-7 {
    z-index: -9999 !important;
    position: absolute;
    top: 6000px;
    left: -50px;
  }

  .bg-parts-8 {
    z-index: -9999 !important;
    position: absolute;
    top: 6500px;
    right: -600px;
  }

  .bg-parts-9 {
    z-index: -9999 !important;
    position: absolute;
    top: 7900px;
    left: -500px;
  }

  .bg-parts-10 {
    z-index: -9999 !important;
    position: absolute;
    top: 8900px;
    right: 0px;
  }

  .bg-parts-11 {
    z-index: -9999 !important;
    position: absolute;
    top: 9800px;
    left: -100px;
  }
  .bg-parts-12 {
    z-index: -9999 !important;
    position: absolute;
    top: 10000px;
    right: -500px;
  }
  .bg-parts-13 {
    z-index: -9999 !important;
    position: absolute;
    top: 10400px;
    left: -700px;
  }
  .bg-parts-14 {
    z-index: -9999 !important;
    position: absolute;
    top: 11450px;
    right: -150px;
  }
}

/*SP*/
@media screen and (max-width: 991.88px) {
  .bg-parts-1 {
    width: 50%;
    z-index: -9999 !important;
    position: absolute;
    top: 1100px;
    left: -50px;
  }

  .bg-parts-2 {
    z-index: -9999 !important;
    position: absolute;
    width: 50%;
    right: -100px;
    top: 1300px;
  }
  .bg-parts-4 {
    z-index: -9999 !important;
    position: absolute;
    width: 50%;
    top: 2050px;
    left: -200px;
  }
  .bg-parts-5 {
    z-index: -9999 !important;
    position: absolute;
    right: -250px;
    width: 50%;
    top: 4300px;
    display: none;
  }

  .bg-parts-6 {
    z-index: -9999 !important;
    position: absolute;
    top: 5600px;
    width: 50%;
    left: -500px;
  }

  .bg-parts-7 {
    z-index: -9999 !important;
    position: absolute;
    width: 50%;
    top: 8200px;
    right: -100px;
  }

  .bg-parts-8 {
    z-index: -9999 !important;
    position: absolute;
    width: 50%;
    top: 6500px;
    right: -600px;
    display: none;
  }

  .bg-parts-9 {
    z-index: -9999 !important;
    position: absolute;
    top: 7900px;
    left: -500px;
    display: none;
  }

  .bg-parts-10 {
    z-index: -9999 !important;
    position: absolute;
    top: 8900px;
    right: 0px;
    display: none;
  }

  .bg-parts-11 {
    z-index: -9999 !important;
    position: absolute;
    top: 9800px;
    left: -100px;
    display: none;
  }
  .bg-parts-12 {
    z-index: -9999 !important;
    position: absolute;
    top: 10000px;
    right: -500px;
    display: none;
  }
  .bg-parts-13 {
    z-index: -9999 !important;
    position: absolute;
    top: 10400px;
    left: -700px;
    display: none;
  }
  .bg-parts-14 {
    z-index: -9999 !important;
    position: absolute;
    top: 11450px;
    right: -150px;
    display: none;
  }
}

#scroll-to-top-btn-img {
  position: fixed;
  bottom: 16px;
  right: 16px;
  border: none;
  background: none;
  opacity: 0;
  transition-duration: 0.5s;
}

/*SP*/
@media screen and (max-width: 991.88px) {
  #scroll-to-top-btn-img {
    width: 90px;
    bottom: 16px;
    right: 0px;
    margin: 0px;
  }
}