body {
  font-family: sans-serif;
  /*background-image: url(haikei.jpg);
        
             background-repeat: no-repeat;
              background-size: contain;*/
}

/*indexのボタン*/
.button_a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 85px;

  padding: 1em 0.5em;
  border: 1px solid #6e6e6e;
  border-radius: 25px;
  background-color: #fff;
  color: #6e6e6e;
  font-size: 10px;
}
.button_a:hover {
  background-color: #f0eded;
  font-weight: bold;
}

.button_b {
  display: flex;
  justify-content: center;
  margin: 0 10px 0 auto;
  align-items: center;
  width: 60px;
  /*margin: auto;*/
  /*margin-top: 8px;*/
  padding: 1em 0.3em;
  border-radius: 25px;
  border: 1px solid #6e6e6e;
  border-radius: 25px;
  background-color: #eae9e9;
  color: black;
  font-size: 8px;
}
.button_b:hover {
  background-color: #8c8c8c;
  font-weight: bold;
}

/*スタートボタン*/
#button_game_start {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 220px;
  margin: 10 auto;
  padding: 0.7em 2em;
  border: none;
  border-radius: 25px;
  box-shadow: 0 2px 3px rgb(0 0 0 / 25%), 0 2px 3px -2px rgb(0 0 0 / 15%);
  background-color: #fff;
  color: #303030; /*#5f5e5e;*/
  font-weight: 600;
  font-size: 20px;
}

#button_game_start:hover {
  background-color: #d4f9d5;
}

/*ボタン*/
.button_chg {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 120px;
  margin: 0 auto;
  padding: 0.9em 2em;
  border: 1px solid #6e6e6e;
  border-radius: 20px;
  background-color: #9c9c9c;
  color: #fff;
  font-size: 15px;
  margin: 10px;
}
.button_chg:hover {
  background-color: #8c8c8c;
  font-weight: bold;
}

/*×戻るボタン*/
#menu_off_td {
  padding: 0.2em;
}

#menu_on_button {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  margin: 5px;
  padding: 0.5em 0.5em;

  border: 1px solid #6e6e6e;
  border-radius: 15px;
  background-color: #fff;
  color: #6e6e6e;
  font-size: 10px;
}
#menu_on_button:hover {
  background-color: #f0eded;
  font-weight: bold;
}

/*ヒントボタン*/

#hinto {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  margin: 5px;
  padding: 0.5em 0.5em;

  border: 0px solid #6e6e6e;
  border-radius: 15px;
  background-color: #fff;
  color: #6e6e6e;
  font-size: 10px;
}
#hinto:hover {
  opacity: 0.7;
  margin: 1 0 0 1;
  background-color: #f0eded;
  font-weight: bold;
}

#name_box2:not(:placeholder-shown) {
  background-color: rgb(200, 200, 200); /* 値が入力されたらグレーに */
}
#name_box2:focus {
  background-color: white;
}

/*名前*/
.cp_iptxt {
  position: relative;
  width: 250px;
  margin: 5px 0 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cp_iptxt input[type='text'] {
  font: 15px/1.6 sans-serif;
  box-sizing: border-box;
  width: 100%;
  padding: 0.3em;
  transition: 0.3s;
  border: 1px solid #1b2538;
  border-radius: 4px;
  outline: none;
}
.cp_iptxt input[type='text'] {
  padding-left: 40px;
}
.cp_iptxt [class^='svg_'] {
  position: absolute;
  left: 10px;
  mask-repeat: no-repeat;
  mask-position: center center;
  mask-size: contain;
  width: 20px;
  height: 20px;
  background-color: #aaaaaa;
  transition: 0.3s;
}
.cp_iptxt .svg_user {
  mask-image: url('./icon/user.svg');
}

/*focus時の設定
*/
.cp_iptxt input[type='text']:focus + [class^='svg_'] {
  background-color: #da3c41;
}

/*ゲーム種類選択*/
.selectbox select {
  appearance: none;
  width: 160px; /*セレクトボックスの横幅*/
  padding: 5px;
  margin: 0 0 0 10;
  color: #333; /*テキストの色*/
  border: 3px solid #404040; /*枠線の太さ・形状・色*/
  border-radius: 8%; /*枠線の角丸*/
  background-color: #fff; /*背景色*/
  cursor: pointer; /*マウスカーソルをポインターに*/
}
select:focus {
  outline: none; /*focus時の枠線を消去*/
}
.selectbox {
  position: relative;
  width: 100%; /*親要素の横幅70*/
}
.selectbox::before {
  position: absolute;
  top: 12px; /*矢印の上からの位置*/
  right: 7px; /*矢印の右からの位置*/
  content: '';
  width: 10px; /*矢印の横幅*/
  height: 10px; /*矢印の縦幅*/
  border-top: 5px solid #ff0000; /*矢印の線の太さと色*/
  border-left: 5px solid #ff0000; /*矢印の線の太さと色*/
  transform: rotate(-135deg); /*矢印を回転*/
  pointer-events: none; /*矢印部分をクリックできるようにする*/
}
#seiseki_game_type {
  display: flex;
  font-size: 10px;
  width: 85px;
  color: #6e6e6e;
  background-color: #fff;

  border-radius: 25px;
  padding: 1.1em 0.1em;
  border: 1px solid #6e6e6e;
  justify-content: center;
  text-align: center;
}