html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "Helvetica Neue",
      Arial,
      "Hiragino Kaku Gothic ProN",
      "Hiragino Sans",
      Meiryo,
      sans-serif;
}
img{
  width: 100%;
  height: auto; 
}
section {
  max-width: 1000px;
  width: calc(100% - 40px);
  margin: 0 auto 150px;
}
h2 {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
  font-weight: bolder;
  font-size: 36px;
  margin: 80px auto;
  width: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
h2 >.midashi{
  width: 90px;
  margin-right: 20px;
  margin-top: 10px;
}
p {
  font-size: 16px;
  line-height: 1.75;
}
header {
  width: 100%;
  min-height: 800px;
  position: relative;
  z-index: 999;
  background: url(../img/main-bg.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: solid 10px #000;
}
.eyecatch {
  max-width: 680px;
  width: 100%;
  height: auto;
  margin: 0 auto;
}
.tagline {
  max-width: 900px;
  width: calc(100% - 40px);
  background: #00c8c8;
  box-shadow: #000 12px 12px 0;
  text-align: center;
  color: #fff;
  font-size: 42px;
  font-weight: bold;
  line-height: 1.25;
  margin: 0 auto;
  padding: 20px 0;
}
.sponcers{
  display: flex;
  width: 100%;
  flex-wrap: wrap;
  justify-content: space-evenly;
}
.sponcers>a>img {
  width: 100%;
  max-width: 234px;
  max-height: 234px;
  object-fit: cover;
  margin-bottom: 15px;
}
.condition_list{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.condition{
  display: block;
  box-sizing: border-box;
  width: 49%;
  max-width: 480px;
  outline: 1px solid #00c8c8;
  margin-bottom: 40px;
  padding: 10px;
}
img.sponcer_logo {
  display: block;
  margin: 0 auto;
  max-width: 200px;
}
.condition_discription{
  text-align: center;
}
.store_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
}
.store {
  width: 49%;
  max-width: 480px;
  text-align: center;
  outline: solid 2px #00c8c8;
  margin-bottom: 40px;
  box-sizing: border-box;
  padding: 20px;
}
h3.store_name {
  color: #00c8c8;
  position: relative;
  display: inline-block;
  margin-top: 10px;
  margin-bottom: 30px;
}
h3.store_name:before {
  content: '';
  position: absolute;
  bottom: -15px;
  display: inline-block;
  width: 60px;
  height: 2px;
  left: 50%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  background-color: #00c8c8;
  border-radius: 2px;
}
.address {
  margin: 0 auto;
  text-align: center;
  font-size: 13px;
}
.target_sponcer {
  display: flex;
  justify-content: space-evenly;
  align-items: flex-start;
}
.target_sponcer>img {
  max-width: 120px;
  margin: 20px auto 0;
}
.full-w {
  width: 100%;
  background: #f2f2f2;
  padding: 10px 0;
}
p.must {
  color: #f15a24;
  font-weight: bold;
  text-align: center;
}
.attention_list {
  margin: 60px auto;
  max-width: 600px;
  padding-left: 10px;
}
.attention_list>li{
  margin-bottom: 20px;
  font-size: 13px;
}
.copyright{
  font-size: 12px;
  text-align: center;
  color: #fff;
}


footer {
  background: #000;
  width: 100%;
  margin: 0 auto;
  padding: 20px 0;
}
.organizer,
.sponsorship {
  color: #fff;
  text-align: center;
}
/* ------------------------------ 767px以下 ------------------------------ */
@media only screen and (max-width: 767px) {
  header{
    min-height: 600px;
  }
  .tagline{
    font-size: 20px;
  }
  h2{
    font-size: 18px;
  }
  h2 >.midashi{
    position: absolute;
    opacity: 0.15;
    top: 50%;
    left: 50%;
    transform: translateY(-50%) translateX(-50%);
    -webkit- transform: translateY(-50%) translateX(-50%);
    margin: 0;
  }
  .sponcers{
    flex-direction: column;
    align-items: center;
  }
  .sponcers>img{
    width: 49%;
    max-width: 354px;
  }
  .condition_list{
    flex-direction: column;
    align-items: center;
  }
  .condition{
    width: 100%;
    margin-bottom: 20px;
  }
  .store_list{
    flex-direction: column;
    align-items: center;
  }
  .store{
    width: 100%;
    margin-bottom: 20px;
  }
}