/* common */
/* small screen */

html,
body {
  margin: 0;
  height: 100%;
  font-family: sans-serif;
  box-sizing: border-box;
}

#stage {
  width: 100%;
  height: 100%;
  display: block;
}

header {
  position: absolute;
  width: 100%;
  height: 25px;
  top: 0px;
  left: 0px;
  background-color: #ffffff;
}

.vol2header_img{
  width: 304px;
  height: 25px;
}

.supervision{
  position: absolute;
  top: 0px;
  right: 0px;
  padding-right: 5px;
  font-size: 12px;
  line-height: 25px;
  color: #555;
}

.title{  
  position: absolute;
  top: 23px;
  left: 0px;
  padding: 5px;
  font-size: 20px;
  font-weight: bold;
}

.howto_button {
  box-sizing: border-box;
  font-size: 12px;
  color: #555555;
  padding: 3px 10px 3px 10px;
  background-color: rgba(255, 255, 255, 0.5);
  border: solid 1px #AAAAAA;
  border-radius: 10px;
  position: absolute;
  display: block;
  top: 30px;
  right: 10px;
  z-index: 1;
  cursor: pointer;
}

.howto_button:active{
  background-color: rgba(95, 216, 253, 0.5);;
}

.part_name {
  font-size: 18px;
  text-align: center;
  position: absolute;
  display: block;
  width: 100%;
  top: 63px;
  left: 0;
  z-index: 1;
  background-color: rgba(0, 255, 255, 0.6);
  display: none;
}

.part_name_display{
display: block;
}

.howto {
  display: none;
  position: absolute;
  top: 0px;
  background-color: rgba(0, 0, 0, 0.5);
  width: 100%;
  height: 100%;
  z-index: 2;
}

.howto_position {
  width: 85%;
  height: 100%;
  margin: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.howto_position_img {
  position: relative;
}

.howto_position_img_width {
  width: 100%;/*「.howto_position」で横幅を全体の85%にしたものにフィットさせる*/
}

#close {
  position: absolute;
  top: -20px;
  right: -20px;
}

.segmented{
  font-size: 15px;
  line-height: 22px;
  color: #555555;
  position: absolute;
  display: block;
  bottom: 40px;
  left: 10px;
  right: 10px;
  z-index: 1;
}

.segmented input {
  display: none;
}

.segmented .label {
  box-sizing: border-box;
  border: 1px #AAA;
  border-style: solid none solid solid;
  float: left;
  background-color: rgba(255, 255, 255, 0.6);
  text-align: center; 
  cursor: pointer;
  width: calc(100% / 5);
  height: 48px;
  padding-top: 2px;
  padding-bottom: 2px;
  cursor: pointer;
}

.segmented :first-child .label {
  border-radius: 10px 0 0 10px;
}
.segmented :last-child .label {
  border-right-style: solid;
  border-radius: 0 10px 10px 0;
}

.segmented input:checked + .label {
  background-color: rgba(95, 216, 253, 0.6);
}

.front_button {
  width: calc(100% / 5);
  height: 26px;
  text-align: center;
  font-size: 14px;
  line-height: 26px;
  color: #555555;
  background-color: rgba(255, 255, 255, 0.6);
  border: solid 1px #AAAAAA;
  border-radius: 10px;
  position: absolute;
  display: block;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  z-index: 1;
  cursor: pointer;
}

.front_button:active{
  background-color: rgba(95, 216, 253, 0.5);;
}

/* 選択ボタン */
.select_Button{
  background-color: rgba(95, 216, 253, 0.6);
}

.deselected_Button{
  background-color: rgba(255, 255, 255, 0.6);
}

.benefits {
  display: none;

}

.benefits p{
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  width: calc(100% / 1.8);
  height: 100px;
  user-select:none;
  text-align: center; 
  font-size: 8vw;
  line-height: 100px;
  font-weight: bold;
  background-color: rgba(0, 0, 0, 0.2);
}

/* medium screen */
@media (min-width: 600px) {
  header{
    height: 30px;
  }

  .vol2header{
    width: 300px;
    height: 30px;
  }

  .vol2header_img{
    width: 365px;
    height: 30px;
  }

  .supervision{
    font-size: 14px;
    line-height: 30px;
  }

  .title{  
    font-size: 35px;
  }

  .howto_button{
    font-size: 18px;
    top: 35px;
  }

  .part_name {
    font-size: 30px;
    top: 80px;
  }

  .segmented{
    font-size: 20px;
    line-height: 26px;
    color: #555555;
    position: absolute;
    display: block;
    bottom: 50px;
    left: 10px;
    right: 10px;
    z-index: 1;
  }

  .segmented .label {
    height: 62px;
    padding-top: 5x;
    padding-bottom: 5px;   
  }
  
  .front_button {
    width: calc(100% / 5);
    height: 30px;
    text-align: center;
    font-size: 20px;
    line-height: 30px;
    color: #555555;
    border: solid 1px #AAAAAA;
    border-radius: 10px;
    position: absolute;
    display: block;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    z-index: 1;
    cursor: pointer;
  }
  
  .benefits p{
      width: 500px;
      font-size: 75px;
  }
}