@charset "UTF-8";

html {
  scroll-behavior: smooth;
}

html,
body {
  height: 100%;
  font-size: 62.5%;
  width: 100%;
}

*,
*::after,
*::before {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
  font-size: inherit;
  line-height: inherit;
}

body {
  color: #363636;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 500;
  font-style: normal;
  font-size: 2.2rem;
  line-height: 1.8;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  word-wrap: break-word;
}

main {
  display: block;
  width: 100%;
  z-index: 1;
  overflow-x: hidden;
}

ul,
li {
  list-style-type: none;
}

a {
  text-decoration: none;
  cursor: pointer;
  color: #363636;
  transition: all 0.3s ease;
}

img {
  vertical-align: bottom;
  max-width: 100%;
  height: auto;
}

.sp-only {
  display: none;
}
.hidden{
  display: none;
}
/* kv -------------------------------------------------*/
.kv {
  position: relative;
}
.kv-img{
  width:100%;
}
.kv-img img{
  width:100%;
}
/* about -------------------------------------------------*/
.about{
  background-color: #2A308B;
  padding:5rem 0;
  text-align: center;
  color:#fff;
}
.page-width{
  max-width: 1240px;
  padding:0 20px;
  margin:0 auto;
}
.about-ttl{
  font-size:4.9rem;
  font-weight: 900;
  margin-bottom:1.4rem;
}
.about-date{
  display: flex;
  gap:2rem;
  justify-content: center;
  align-items: flex-end;
  margin-bottom:1.4rem;
}
.date-txt{
  font-size: 4.1rem;
  font-weight: 900;
  line-height: 1;
}
.date-txt .large{
  font-size: 6.3rem;
}
.about-link{
  color:#fff;
  text-decoration: underline;
  margin-top:5.2rem;
  display: block;
}
/*  sponsor-------------------------------------------------*/
.sponsor{
  text-align: center;
  padding-bottom:5rem;
}
.sponsor h3{
  font-size: 2.9rem;
  font-weight: 900;
  margin:8.2rem 0 2.2rem;
}
.sponsor-flex{
  display: flex;
  justify-content: center;
  gap:7.2rem;
  align-items: center;
}
.sponsor-flex p{
  font-size: 2.9rem;
}
.sponsor-list{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.logo-list{
  display:flex;
  gap:2rem;
  align-items: center;
}
.logo-item{
  width:calc((100% - 12rem)/7);
}
.logo-item img{
  aspect-ratio: 1/1;
  width: 100%;
  object-fit: cover;
}
/*  footer-------------------------------------------------*/
.footer{
  background-color: #000;
  text-align: center;
  padding:2rem 0;
}
.footer-copy{
  color:#fff;
  font-size: 1.8rem;
  line-height: 1.4;
}
/*  sp-------------------------------------------------*/
@media screen and (max-width: 1169px) {
  .about-date{
    flex-direction: column;
    align-items: center;
  }
}
@media screen and (max-width: 767px) {
  body {
    font-size: 1.4rem;
  }

  .pc-only {
    display: none;
  }

  .sp-only {
    display: block;
  }
/* about -------------------------------------------------*/
.about{
  padding:3.4rem 0;
}
.about-ttl{
  font-size:2.8rem;
  margin-bottom:1rem;
}
.about-date{
  gap:1.4rem;
  margin:2rem 0 1.4rem;
}
.date-txt{
  font-size: 2.2rem;
}
.date-txt .large{
  font-size: 3.5rem;
}
.about-link{
  margin-top:3.4rem;
}
/*  sponsor-------------------------------------------------*/
.sponsor{
  padding-bottom:7rem;
}
.sponsor h3{
  font-size: 1.8rem;
  margin:3rem 0 2rem;
}
.sponsor-flex{
  flex-direction: column;
  gap:1rem;
}
.sponsor-flex p{
  font-size: 1.6rem;
}
.logo-list{
  flex-wrap: wrap;
  gap:1rem;
}
.logo-item{
  width:calc((100% - 3rem)/4);
}
/*  footer-------------------------------------------------*/
.footer{
  padding:1.3rem 0;
}
.footer-copy{
  font-size: 1.4rem;
}
}