@media only screen and (min-width: 1025px) {
  .n-pc {
    display: none;
  }
}
@media only screen and (max-width: 1024px) {
  .n-sp {
    display: none;
  }
}
ul, ol, dl, p, h1, h2, h3, h4, h5, h6 {
  margin: 0;
  padding: 0;
}

html {
  font-size: 10px;
}

body {
  margin: 0 auto;
  font-size: 140%;
}
@media only screen and (min-width: 1025px) {
  body {
    width: 1200px;
    padding-top: 60px;
  }
}
@media only screen and (max-width: 1024px) {
  body {
    width: auto;
    padding-top: 15px;
  }
}

header {
  position: relative;
  display: flex;
  justify-content: space-between;
}
@media only screen and (min-width: 1025px) {
  header {
    margin-bottom: 30px;
  }
}
@media only screen and (max-width: 1024px) {
  header {
    margin-bottom: 15px;
    height: auto;
  }
}
header .header-img {
  position: relative;
}
@media only screen and (min-width: 1025px) {
  header .header-img {
    left: 100px;
  }
}
@media only screen and (max-width: 1024px) {
  header .header-img {
    left: 40px;
    width: 60%;
  }
  header .header-img img {
    max-width: 100%;
  }
}
header .header-menu ul {
  list-style: none;
}
header .header-menu ul .header-menu-item > a {
  color: inherit;
  text-decoration: none;
}
header .header-menu ul .header-menu-item > a:hover {
  text-decoration: underline;
}
@media only screen and (min-width: 1025px) {
  header .header-menu ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    width: 430px;
  }
  header .header-menu ul .header-menu-item {
    text-align: right;
    margin: 0 0 1em 2em;
  }
  header .header-menu ul .header-menu-item > a {
    font-size: 1.6rem;
  }
  header .header-menu ul .header-menu-item:first-child {
    flex-basis: 100%;
  }
}
@media only screen and (max-width: 1024px) {
  header .header-menu {
    display: none;
    position: absolute;
    top: 70px;
    width: 100vw;
    box-sizing: border-box;
    background-color: #fff;
    border: 1px solid #28333b;
  }
  header .header-menu ul .header-menu-item {
    padding: 1rem 2rem;
    border-bottom: 1px solid #28333b;
  }
  header .header-menu ul .header-menu-item > a {
    font-size: 1.5rem;
    line-height: 2rem;
    display: block;
  }
  header .header-menu ul :last-child {
    border-bottom: none;
  }
}
@media only screen and (min-width: 1025px) {
  header .header-menu-sp-btn {
    display: none;
  }
}
@media only screen and (max-width: 1024px) {
  header .header-menu-sp-btn {
    display: inline-block;
    width: 12.5%;
    border: 0;
    padding: 0;
    background-color: transparent;
    margin-right: 10px;
  }
}

@media only screen and (min-width: 1025px) {
  .main_visual {
    margin-bottom: 50px;
  }
  .main_visual img {
    width: 1200px;
  }
}
@media only screen and (max-width: 1024px) {
  .main_visual {
    margin-bottom: 20px;
  }
  .main_visual img {
    max-width: 100%;
    width: auto;
  }
}

.intro {
  display: flex;
}
@media only screen and (min-width: 1025px) {
  .intro {
    justify-content: space-between;
    margin-bottom: 3rem;
  }
  .intro-img {
    width: 415px;
  }
  .intro-img img {
    max-width: 100%;
  }
  .intro-content {
    width: 665px;
  }
  .intro-content p {
    line-height: 2em;
    margin-bottom: 2em;
  }
}
@media only screen and (max-width: 1024px) {
  .intro {
    flex-wrap: wrap;
    margin: 0 20px 3rem;
  }
  .intro-img {
    order: 2;
    margin: 0 auto;
  }
  .intro-img img {
    max-width: 100%;
  }
  .intro-content {
    order: 1;
  }
  .intro-content p {
    line-height: 2em;
    margin-bottom: 2em;
  }
}

.outline {
  display: flex;
}
.outline-content-header {
  font-weight: bold;
}
.outline-content dl dt {
  line-height: 3rem;
}
.outline-content dl dd {
  line-height: 3rem;
}
.outline-content dl dd ol {
  list-style-position: inside;
  padding-left: 0;
}
.outline-content dl dd ol li {
  line-height: 2em;
  margin-bottom: 0.5em;
}
@media only screen and (min-width: 1025px) {
  .outline {
    justify-content: space-between;
    margin-bottom: 3rem;
  }
  .outline-img {
    width: 415px;
  }
  .outline-img img {
    max-width: 100%;
  }
  .outline-content {
    width: 665px;
  }
  .outline-content-header {
    font-size: 2rem;
    margin-bottom: 1em;
  }
  .outline-content dl dd {
    margin-left: 2em;
  }
}
@media only screen and (max-width: 1024px) {
  .outline {
    flex-wrap: wrap;
    margin: 0 20px 3rem;
  }
  .outline-img {
    order: 2;
    margin: 0 auto;
  }
  .outline-img img {
    max-width: 100%;
  }
  .outline-content {
    order: 1;
    margin-bottom: 2rem;
  }
  .outline-content-header {
    font-size: 1.8rem;
    margin-bottom: 0.5em;
  }
  .outline-content dl dd {
    margin-left: 1em;
  }
}

.event-header {
  font-weight: bold;
}
.event-item {
  display: flex;
}
.event-item-img img {
  max-width: 100%;
}
.event-item-content {
  width: 665px;
}
.event-item-content dl dt {
  font-weight: bold;
  line-height: 3rem;
}
.event-item-content dl dd {
  line-height: 3rem;
}
@media only screen and (min-width: 1025px) {
  .event {
    position: relative;
    margin-bottom: 3rem;
  }
  .event-header {
    font-size: 2rem;
    position: relative;
    left: 535px;
    right: 0;
    top: 0;
    width: 665px;
    margin-bottom: 1em;
  }
  .event-item {
    justify-content: space-between;
    margin-bottom: 3rem;
  }
  .event-item-img {
    width: 415px;
  }
  .event-item-content {
    width: 665px;
  }
  .event-item-content dl {
    margin-left: 2em;
  }
  .event-item-content dl dd {
    margin-left: 2em;
  }
  .event-item-header {
    font-size: 1.6rem;
    margin-bottom: 1em;
  }
}
@media only screen and (max-width: 1024px) {
  .event {
    margin: 0 20px 3rem;
  }
  .event-header {
    font-size: 1.8rem;
    margin-bottom: 0.5em;
  }
  .event-item {
    flex-wrap: wrap;
    margin-bottom: 2rem;
  }
  .event-item-img {
    order: 2;
    margin: 0 1rem;
  }
  .event-item-content {
    order: 1;
    margin-bottom: 1rem;
  }
  .event-item-content dl {
    margin: 0 1rem;
  }
  .event-item-content dl dd {
    margin-left: 1em;
  }
  .event-item-header {
    font-size: 1.5rem;
    margin-bottom: 0.5em;
  }
}

.organizer-item {
  display: flex;
}
.organizer-item-img img {
  max-width: 100%;
}
.organizer-item-content p {
  line-height: 2em;
}
@media only screen and (min-width: 1025px) {
  .organizer {
    margin-bottom: 3rem;
  }
  .organizer-item {
    justify-content: space-between;
    margin-bottom: 3rem;
  }
  .organizer-item-img {
    width: 415px;
  }
  .organizer-item-content {
    width: 665px;
  }
  .organizer-item-content h3 {
    margin-top: 0;
    margin-bottom: 1em;
  }
  .organizer-item-content p {
    margin-bottom: 2em;
  }
}
@media only screen and (max-width: 1024px) {
  .organizer {
    margin: 0 2rem 3rem;
  }
  .organizer-item {
    flex-wrap: wrap;
    margin-bottom: 2rem;
  }
  .organizer-item-img {
    order: 2;
  }
  .organizer-item-content {
    order: 1;
  }
  .organizer-item-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5em;
  }
  .organizer-item-content p {
    margin-bottom: 1em;
  }
}

.sponser h2 {
  font-size: 1.6rem;
  margin-bottom: 1em;
}
.sponser dl .sponser-item {
  margin-bottom: 1rem;
}
.sponser dl dt {
  font-weight: bold;
  line-height: 3rem;
}
.sponser dl dd {
  line-height: 3rem;
}
@media only screen and (min-width: 1025px) {
  .sponser {
    margin-bottom: 3rem;
  }
  .sponser dl {
    margin-bottom: 3rem;
    display: flex;
    flex-wrap: wrap;
    /*
        .sponser-item01 {
            order: 1;
        }
        .sponser-item02 {
            order: 3;
        }
        .sponser-item03 {
            order: 5;
        }
        .sponser-item04 {
            order: 2;
        }
        .sponser-item05 {
            order: 4;
        }
        .sponser-item06 {
            order: 6
        }
        dd {
            margin-left: 2em;
        }
        
    */
  }
  .sponser dl .sponser-item {
    width: 50%;
  }
}
@media only screen and (max-width: 1024px) {
  .sponser {
    margin: 0 2rem 3rem;
  }
  .sponser dl {
    margin-bottom: 2rem;
  }
  .sponser dl dd {
    margin-left: 1em;
  }
}

footer .footer-dialogue .footer-logo-wrap {
  display: flex;
}
footer .footer-dialogue .footer-logo-wrap a {
  width: 42px;
  margin-right: 15px;
}
footer .footer-dialogue .footer-logo-wrap a img {
  width: 100%;
}
@media only screen and (min-width: 1025px) {
  footer .footer-dialogue {
    display: flex;
  }
  footer .footer-dialogue .footer-copyright {
    font-size: 13px;
    line-height: 2em;
  }
}
@media only screen and (max-width: 1024px) {
  footer .footer-dialogue {
    margin: 0 2rem;
  }
  footer .footer-dialogue .footer-copyright {
    font-size: 12px;
    line-height: 1.6em;
    margin-top: 20px;
  }
}