@charset "UTF-8";
  /* 続きを読むエリア開閉ボタン start */
  #main-container .readmore-content {
    overflow: hidden;
    transition: max-height 0.3s;
    position: relative;
  }

  #main-container .readmore-content::after {
    content: "";
    position: absolute;
    display: block;
    background: linear-gradient(0deg, rgb(255, 255, 255) 0%, rgba(255, 255, 255, 0) 100%);
    width: 100%;
    height: 50%;
    bottom: 0;
    left: 0;
    z-index: 1;
  }

  #main-container .readmore-content+.readmore-btn {
    border: solid 1px var(--color-base);
    color: var(--color-base);
    background-color: #ffffff;
    font-weight: bold;
    padding: 0.2em 1em;
    text-align: center;
    font-size: 1em;
    margin: 0 auto;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.3s ease-out;
  }

  #main-container .readmore-content+.readmore-btn:hover {
    background-color: var(--color-base-sub-transparent);
  }

  @media screen and (min-width: 600px) {
    #main-container .readmore-content+.readmore-btn {
      width: 250px;
    }
  }

  #main-container .readmore-content+.readmore-btn>span {
    position: relative;
    padding-right: 1.8em;
    padding-left: 1.8em;
  }

  #main-container .readmore-content+.readmore-btn>span::before,
  #main-container .readmore-content+.readmore-btn>span::after {
    content: "";
    display: block;
    background-color: var(--color-base);
    width: 0.9em;
    height: 1px;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
  }

  #main-container .readmore-content+.readmore-btn>span::after {
    transform: translateY(-50%) rotate(90deg);
  }

  #main-container .readmore-content+.readmore-btn>span.open-txt {
    display: none;
  }

  #main-container .readmore-content+.readmore-btn>span.open-txt::after {
    display: none;
  }

  #main-container .readmore-content.open::after {
    display: none;
  }

  #main-container .readmore-content.open+.readmore-btn {
    margin-top: 2em;
  }

  #main-container .readmore-content.open+.readmore-btn>span.close-txt {
    display: none;
  }

  #main-container .readmore-content.open+.readmore-btn>span.open-txt {
    display: inline;
  }

  /* 続きを読むエリア開閉ボタン end */
  /* flex start */
  .flex-container {
    display: flex;
    justify-content: flex-start;
  }

  @media screen and (min-width: 600px) {
    .flex-container .flex-item:nth-child(n+2) {
      margin-left: 30px;
    }
  }