.lead {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 50px;
}

@media screen and (max-width: 900px) {
  .lead {
    font-size: 1.4rem;
    margin-bottom: 30px;
  }
}

.chess_list .chess_item {
  margin-top: 60px;
}

.chess_list .chess_item:first-child {
  padding-bottom: 50px;
  background-image: repeating-linear-gradient(90deg, var(--color-main), var(--color-main) 12px, transparent 12px, transparent 16px);
  background-position: left bottom;
  background-repeat: repeat-x;
  background-size: 100% 1px;
}

.chess_list .chess_item:first-child .text_02 {
  text-align: center;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item:first-child {
    padding-bottom: 40px;
  }

  .chess_list .chess_item {
    margin-top: 50px;
  }
}

.chess_list .chess_item:first-child {
  margin-top: 0;
}

.chess_list .chess_item .img {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  justify-content: center;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .img {
    display: block;
  }
}

.chess_list .chess_item .img_01 {
  width: 62%;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .img_01 {
    width: 100%;
  }
}

.chess_list .chess_item .img_02 {
  width: 35%;
  margin-left: 3%;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .img_02 {
    width: 100%;
    margin: 15px auto 0;
  }
}
.chess_list .chess_item .img_03 {
  width: 49%;
  margin-left: 2%;
}
.chess_list .chess_item .img_03:first-child {
  margin-left: 0;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .img_03 {
    width: 100%;
    margin: 10px auto 0;
  }
  .chess_list .chess_item .img_03:first-child {
    margin-top: 0;
  }
}


.chess_list .chess_item .text {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-top: 20px;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .text {
    display: block;
    margin-top: 15px;
  }
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .text {
    font-size: 1.4rem;
  }
}
.chess_list .chess_item .text_01 {
  margin-right: 10px;
}

.chess_list .chess_item .text_01 p {
  background: var(--color-text-head);
  color: #fff;
  padding: 5px 10px 6px;
  border-radius: 5px;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .text_01 {
    margin-bottom: 10px;
  }

  .chess_list .chess_item .text_01 p {
    display: inline-block;
  }
}

.chess_list .chess_item .text_02 {
  line-height: 1.5em;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .text_02 {
    margin-left: 0;
  }
}

.chess_list .chess_item .text_02 .att {
  font-size: 1.3rem;
  line-height: 1.4em;
  text-indent: -1em;
  padding-left: 1em;
  margin-top: 5px;
}

@media screen and (max-width: 900px) {
  .chess_list .chess_item .text_02 .att {
    font-size: 1.1rem;
  }
}