html {
  background-color: #dad6c772;
}

.back {
  background-color: #fff;
}

/* body スタイル */
body {
  padding-top: 85px;
  max-width: 1000px;
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  margin-top: 0;
  background-color: #fff;
  height: 100%;
}
/* =========================================================== */
.bright-gry {
  background-color: #393e46;
}

.burnt-sienna {
  background-color: #ef6e4e;
}

.saffron {
  background-color: #f2b036;
}

.alto-bg {
  background-color: #b9b7b7;
}

.whi {
  background-color: #ffff;
}
.teal {
  background-color: teal;
}

.font1 {
  color: #393e46;
}

.font2 {
  color: #ef6e4e;
}

.font3 {
  color: #f2b036;
}

.font4 {
  color: #ffffff;
}

/* メインスタイル */
main {
  position: relative;
  padding-bottom: 50px;
  box-sizing: border-box;
  min-height: 88vh;
}

/* =========================================================== */
/* ヘッダースタイル */
header {
  background-color: #fff;
  position: fixed;
  z-index: 999;
  top: 0;
  width: 100%;
  max-width: 1000px;
}
header img {
  margin: 25px auto 15px 30px;
}
.header_a {
  display: flex;
}
.header_log {
  margin: 30px 30px 10px auto;
}
.header_log a {
  text-decoration: none;
}
.header_log a:hover {
  text-decoration: underline;
}
.header_hr {
  border: solid 1.5px #f2b036;
  margin: 0;
}
/* =========================================================== */
/* フッタースタイル */
footer {
  position: absolute;
  color: #fff;
  max-width: 1000px;
  width: 100%;
}
.footer1 {
  text-align: center;
  padding-top: 20px;
}
.footer1 a {
  text-decoration: none;
  color: #fff;
}
.footer1 a:hover {
  text-decoration: underline;
}
/* =========================================================== */
/* 各種タイトルスタイル */
h2 {
  padding-top: 8px;
  padding-left: 30px;
  padding-bottom: 5px;
  color: #fff;
  background-color: #008080;
}

/* メイン画像スタイル */
.main_img {
  margin-left: auto;
  margin-right: auto;
  max-width: 1000px;
  width: 100%;
}

/* 大会ボタンスタイル */

.box {
  display: flex;
  flex-wrap: wrap;
  margin: 40px auto;
}
.box1 {
  padding: 20px;
  margin: 5px 0px 15px 25px;
  border: solid 1px #a9a9a9;
  border-radius: 3px;
}
.box1 a {
  text-decoration: none;
}
.box1:hover {
  box-shadow: 4px 4px 8px 0 rgba(0, 0, 0, 0.25);
  transform: translateX(-0.1em) translateY(-0.1em);
  background-color: #f5f5f5;
  border: solid 1px #f5f5f5;
  border-radius: 3px;
  transition: all 0.2s ease 0s;
}
.box2 {
  display: flex;
  width: 420px;
}
.box2 img {
  width: 150px;
}
.box3 h3 {
  text-align: center;
  margin: 10px auto 0 15px;
  color: #4169e1;
}
.box3 p {
  margin-left: 15px;
  color: #000000;
}

/* ==================================================== */
/* 新着情報スタイル */
.news {
  margin: 40px 80px;
  overflow-y: scroll;
  height: 170px;
}
.news1 a {
  text-decoration: none;
}
.news1 a:hover {
  text-decoration: underline;
}

/* PC　or スマホ */
.pc {
  display: block !important;
}

.sp {
  display: none !important;
}

/* 各種注意事項 */
.list-group-flush {
  max-width: 80%;
  margin: 0 auto;
}

@media screen and (min-width: 450px) and (max-width: 798px) {
  .header_log {
    font-size: 14px;
    margin: 30px 10px 10px auto;
  }
  header img {
    width: 230px;
    margin: 25px auto 15px 15px;
  }

  .list-group-flush {
    max-width: 90%;
    margin: 0 auto;
  }
}

@media screen and (min-width: 350px) and (max-width: 450px) {
  header img {
    width: 230px;
    margin: 10px auto 5px 15px;
  }
  .header_log {
    font-size: 14px;
    margin: auto auto 5px 15px;
  }
  .header_a {
    display: block;
  }
  h2 {
    padding-top: 8px;
    padding-left: 15px;
    padding-bottom: 5px;
    color: #fff;
    background-color: #008080;
    font-size: 16px;
  }
  .box {
    display: block;
    margin: 20px;
  }
  .box1 {
    padding: 10px;
    margin: 5px auto 5px auto;
    border: solid 1px #a9a9a9;
    border-radius: 3px;
  }
  .box2 {
    display: flex;
    max-width: 400px;
    width: 100%;
  }
  .box2 img {
    width: 100px;
  }
  .box3 h3 {
    margin: 10px 0 0 15px;
    color: #4169e1;
  }
  .box3 p {
    margin-left: 15px;
    color: #000000;
  }
  .news {
    margin: 10px 20px;
    overflow-y: scroll;
    height: 170px;
  }

  .pc {
    display: none !important;
  }

  .sp {
    display: block !important;
  }
  .list-group-flush {
    max-width: 95%;
    margin: 0 auto;
  }
}

@media screen and (max-width: 350px) {
  header img {
    width: 200px;
    margin: 10px auto 5px 15px;
  }
  .header_log {
    font-size: 10px;
    margin: auto auto 5px 10px;
  }
  .header_a {
    display: block;
  }
  h2 {
    padding-top: 8px;
    padding-left: 10px;
    padding-bottom: 5px;
    color: #fff;
    background-color: #008080;
    font-size: 14px;
  }
  .box {
    display: block;
    margin: 20px;
  }
  .box1 {
    padding: 5px;
    margin: 5px auto 5px auto;
    border: solid 1px #a9a9a9;
    border-radius: 3px;
  }
  .box2 {
    display: flex;
    max-width: 250px;
    width: 100%;
  }
  .box2 img {
    width: 80px;
  }
  .box3 h3 {
    margin: 10px 0 0 10px;
    color: #4169e1;
  }
  .box3 p {
    margin-left: 10px;
    color: #000000;
  }
  .news {
    margin: 10px 10px;
    overflow-y: scroll;
    height: 100px;
  }

  .pc {
    display: none !important;
  }

  .sp {
    display: block !important;
  }
  .list-group-flush {
    max-width: 95%;
    margin: 0 auto;
  }
}