html {
  height: 100%;
}

body {
  position: relative;
  height: 100%;
  font-family: "Noto Sans JP", sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  font-size: 16px;
  line-height: 2em;
  color: #0B1013;
}
body.noscroll {
  position: fixed;
  overflow: hidden;
  width: 100%;
}

img {
  width: 100%;
  vertical-align: middle;
}

header {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 4px 1rem;
  background-color: #fff;
}
header .logo {
  width: 150px;
}
header .menu ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}
header .menu ul li {
  margin: 0 1em;
  font-weight: 300;
}
header .menu-btn {
  display: none;
}

footer {
  position: sticky;
  top: 100vh;
  padding: 1rem 1rem 0;
  background-color: #FAFCFF;
  border-top: 1px solid #ececec;
}
footer .footer-logo {
  width: 150px;
  margin: 0 auto 20px;
}
footer .footer-sponsors-title {
  margin: 1em;
  padding-top: 1em;
  color: rgba(0, 0, 0, 0.56);
  font-size: 14px;
  font-weight: 300;
  text-align: center;
  border-top: 1px solid #ececec;
}
footer .footer-sponsors-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  padding-bottom: 1em;
}
footer .footer-sponsors-list li {
  margin: 0 1rem 1rem;
}
footer .footer-sponsors-list li .logo {
  width: auto;
  height: 1rem;
}
footer .footer-sponsors-list li .logo.hankyu {
  height: 2.4rem;
}
footer .footer-sponsors-list li .logo.senkogroup {
  height: 1.2rem;
}
footer .footer-sponsors-list li .logo.igoshogi {
  height: 1.1rem;
}
footer .footer-sponsors-list li .logo.hai {
  height: 1.6rem;
  background-color: #1C4198;
}
footer .footer-sponsors-list li .logo.meitetsu {
  height: 1.2rem;
}
footer .footer-sponsors-list li .logo.suzuken {
  height: 1.2rem;
}
footer .footer-sponsors-list li .logo.brother {
  height: 1.4rem;
}
footer .copyright {
  font-size: 12px;
  color: rgba(0, 0, 0, 0.56);
  font-weight: 300;
  text-align: center;
  border-top: 1px solid #ececec;
}

h1 {
  font-family: "Noto Serif JP", serif;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100px;
  margin-top: 0.2rem;
  margin-bottom: 2rem;
  background-color: #0c1f2b;
  color: #fdfbf9;
  font-size: 36px;
  font-weight: 700;
}

h2 {
  width: 100%;
  margin: 0 auto 20px;
  padding: 10px 2em;
  font-size: 24px;
  font-weight: 700;
  text-align: center;
}

h3 {
  width: 100%;
  margin: 0 auto;
  padding: 10px 2em;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
}

.container {
  width: 100%;
  max-width: 750px;
  margin: 0 auto 50px;
  padding: 0 1rem;
  text-align: center;
}

dl {
  margin-bottom: 2em;
}
dl dt {
  font-weight: 500;
  font-size: 1.2rem;
}

ol {
  list-style: decimal;
  width: 80%;
  max-width: 18em;
  margin: 1em auto;
}
ol li {
  text-align: left;
}

a:hover {
  opacity: 0.8;
}
a.outside-link {
  text-decoration: underline;
}
a.outside-link::after {
  display: inline-block;
  content: "";
  width: 0.8em;
  height: 0.8em;
  margin-top: 5px;
  margin-left: 2px;
  background-color: #0B1013;
  mask-image: url(../images/icon_link_outside.svg);
  -webkit-mask-image: url(../images/icon_link_outside.svg);
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-position: center;
}

.link-btn {
  display: flex;
  justify-content: center;
  align-items: center;
}
.link-btn a {
  transition: 0.2s cubic-bezier(0.45, 0, 0.55, 1);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.2em 2em;
  background-color: #2378d3;
  color: #fdfbf9;
  font-size: 14px;
  font-weight: 200;
  border: 2px solid #2378d3;
  border-radius: 2em;
  -webkit-border-radius: 2em;
  -moz-border-radius: 2em;
  -ms-border-radius: 2em;
  -o-border-radius: 2em;
}
.link-btn a:hover {
  opacity: 1;
  font-weight: 300;
  color: #2378d3;
  background-color: #fff;
}

.pc {
  display: block;
}

.sp {
  display: none;
}

.back-to-top {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background-color: #0B1013;
  color: #fdfbf9;
  border: 2px solid #0B1013;
  border-radius: 20px;
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  -ms-border-radius: 20px;
  -o-border-radius: 20px;
  cursor: pointer;
  z-index: 5;
  text-align: center;
}
.back-to-top img {
  padding: 5px 10px;
  transform: rotate(-90deg);
  -webkit-transform: rotate(-90deg);
  -moz-transform: rotate(-90deg);
  -ms-transform: rotate(-90deg);
  -o-transform: rotate(-90deg);
}

@media screen and (max-width: 800px) {
  header {
    position: relative;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 12.5vw;
    padding: 0 1rem;
  }
  header .logo {
    width: 18.75vw;
  }
  header .menu {
    position: fixed;
    top: 12.5vw;
    left: 0;
    display: none;
    width: 100vw;
    height: calc(100vh - 12.5vw);
    background-color: #fff;
    z-index: 10;
  }
  header .menu ul {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 7.5em auto 0;
  }
  header .menu ul li {
    margin-bottom: 1em;
    font-size: 4.6vw;
    font-weight: 700;
    line-height: 2em;
  }
  header .menu.active {
    display: block;
  }
  header .menu-btn {
    position: absolute;
    right: 3.75vw;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 4vw;
    cursor: pointer;
    z-index: 15;
  }
  header .menu-btn span {
    position: absolute;
    content: "";
    display: block;
    height: 2px;
    width: 100%;
    background-color: #333;
    transition: all 0.3s;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    border-radius: 2px;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    -ms-border-radius: 2px;
    -o-border-radius: 2px;
  }
  header .menu-btn span::before, header .menu-btn span::after {
    position: absolute;
    content: "";
    display: block;
    height: 2px;
    width: 100%;
    background-color: #333;
    transition: all 0.3s;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -ms-transition: all 0.3s;
    -o-transition: all 0.3s;
    border-radius: 2px;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    -ms-border-radius: 2px;
    -o-border-radius: 2px;
  }
  header .menu-btn span::before {
    bottom: 6px;
  }
  header .menu-btn span::after {
    top: 6px;
  }
  header .menu-btn.active {
    position: fixed;
    right: 3.75vw;
  }
  header .menu-btn.active span {
    background-color: transparent;
  }
  header .menu-btn.active span::before {
    bottom: 0;
    transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
  }
  header .menu-btn.active span::after {
    top: 0;
    transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
  }
}
@media screen and (max-width: 500px) {
  body {
    font-size: 3.6vw;
  }
  header {
    height: 20vw;
  }
  header .logo {
    width: 32vw;
  }
  header .menu {
    top: 16vw;
  }
  header .menu ul li {
    font-size: 5.33vw;
    line-height: 13.33vw;
  }
  footer .footer-logo {
    width: 30vw;
    margin: 0 auto 4vw;
  }
  footer .footer-sponsors-title {
    font-size: 2.8vw;
  }
  footer .footer-sponsors-list li {
    margin: 0 1em 1em;
  }
  footer .footer-sponsors-list li .logo {
    width: auto;
    height: 1em;
  }
  footer .footer-sponsors-list li .logo.hankyu {
    height: 2.4em;
  }
  footer .footer-sponsors-list li .logo.senkogroup {
    height: 1.2em;
  }
  footer .footer-sponsors-list li .logo.igoshogi {
    height: 1.1em;
  }
  footer .footer-sponsors-list li .logo.hai {
    height: 1.6em;
  }
  footer .footer-sponsors-list li .logo.meitetsu {
    height: 1.2em;
  }
  footer .footer-sponsors-list li .logo.suzuken {
    height: 1.2em;
  }
  footer .footer-sponsors-list li .logo.brother {
    height: 1.6em;
  }
  footer .copyright {
    font-size: 2.4vw;
  }
  h1 {
    height: 30vw;
    font-size: 7vw;
  }
  h2 {
    margin: 0 auto 4vw;
    font-size: 5.6vw;
  }
  h3 {
    font-size: 4.4vw;
  }
  dl dt {
    font-size: 1.8em;
  }
  .link-btn a {
    width: 90%;
    font-size: 4vw;
    font-weight: 400;
  }
  .pc {
    display: none;
  }
  .sp {
    display: block;
  }
}/*# sourceMappingURL=common.css.map */