@charset "UTF-8";

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');

:root {
  --con-width: 1000px;
  --mincho: "游明朝", Yu Mincho, YuMincho, "Hiragino Mincho ProN", serif;
  --border: #e0e0e0;
  --gray_back: #f1f1f1;
}

html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, time, mark, audio, video {
  background: transparent;
  border: 0;
  margin: 0;
  outline: 0;
  padding: 0;
  vertical-align: baseline;
}

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

* {
  min-height: 0vw;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  line-height: 1;
  background: #d3ecfb url(../img/bg.png) center top repeat-y;
  background-size: 100% auto;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section, main {
  display: block;
}

ol, ul {
  list-style: none;
}

em {
  font-style: normal;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

input, select {
  vertical-align: middle;
}

img {
  display: block;
  border-style: none;
  font-size: 0;
  line-height: 0;
}

a {
  background: transparent;
  margin: 0;
  padding: 0;
  text-decoration: none;
  vertical-align: baseline;
}

@media screen and (max-width: 768px) {
  .sp_none {
    display: none;
  }
}
@media screen and (min-width: 769px) {
  .pc_none {
    display: none;
  }
}


.container {
  overflow: hidden;
}

/* ===================================
コンテンツ
------------------------------------*/
h1 {
  max-width: 1400px;
  margin: auto;
}

main {
  max-width: var(--con-width);
  margin: auto;
  @media screen and (max-width:1060px) {
    padding: 0 min(4%, 30px);
  }
}

section {
  margin-top: 3em;
  padding: 0 6% min(8%, 50px);
  background: #fff;
  border-radius: 10px;
  text-align: center;
  h2 {
    display: inline-block;
    margin-bottom: 1em;
    padding: 0.5em 2em;
    border-radius: 100vh;
    background: #005d96;
    transform: translateY(-50%);
    font-size: clamp(18px, 4.8vw, 20px);
    color: #fff;
  }
  @media screen and (max-width:768px) {
    margin-top: 2em;
    h2 {
      padding: 0.3em 1.5em;
    }
  }
}

.w100 {
  width: 100%;
}

.bold {
  font-weight: bold;
}

.big {
  font-size: 130%;
  font-weight: bold;
  line-height: 1.4;
  span {
    font-size: 130%;
  }
}

.red {
  font-weight: bold;
  color: #ec0000;
}

.s_l {
  @media screen and (max-width:768px) {
    text-align: left;
  }
}

.t_l {
  text-align: left;
}

.mt {
  margin-top: 20px;
}

.mt2 {
  margin-top: 1.5em;
}

p {
  line-height: 2;
}

p + p {
  margin-top: 1em;
}

ul {
  text-align: left;
  list-style-type: disc;
  list-style-position: inside;
}
li {
  padding-left: 1.5em;
  text-indent: -1.5em;
  line-height: 1.8;
}
li + li {
  margin-top: 1em;
}

.box {
  margin-top: 1.5em;
  padding: min(8%, 40px) 4%;
  background: var(--gray_back);
}

h3 {
  margin-bottom: 1.2em;
  text-align: left;
  font-size: 100%;
  line-height: 1.4;
}


.environ dl {
  text-align: left;
  line-height: 2;
  dt {
    margin-top: 1em;
    text-decoration: underline;
  }
}

.prize {
  h3 {
    padding: 0.4em 1em;
    background: #008cce;
    border-left: 10px solid #000;
    color: #fff;
    font-size: 20px;
    line-height: 1.8;
    &.mt3 {
      margin-top: 3em;
    }
  }
  img {
    margin-top: 30px;
  }
  .logo {
    max-width: 100%;
  }
  p {
    margin: 1em 0 0;
    line-height: 2;
    text-align: left;
  }
  dl {
    text-align: left;
    line-height: 2;
    dt {
      margin: 1.5em 0 1em;
      font-weight: bold;
      border-bottom: 1px solid #000;
    }
  }
}

.contact {
  dl {
    margin-bottom: 2em;
    padding: 4%;
    border: 1px solid #000;
    dt {
      display: inline-block;
      margin-bottom: 1em;
      font-weight: bold;
      line-height: 1.6;
    }
    dd {
      line-height: 2;
    }
  }
}

footer {
  padding: min(20%, 100px) 0 10px;
  text-align: center;
  font-size: 12px;
}

.f_btn {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 0.5em 0;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.8);
  a {
    position: relative;
    display: block;
    width: min(90%, 400px);
    margin: auto;
    padding: 0.8em;
    border-radius: 100vh;
    background: #f29600;
    text-align: center;
    color: #fff;
    &::before {
      position: absolute;
      top: 50%;
      right: 6%;
      width: 12px;
      height: 12px;
      content: '';
      margin-top: -6px;
      border-top: solid 1px #fff;
      border-right: solid 1px #fff;
      transform: rotate(45deg);
    }
  }
}