/* === BLOG共通スタイル === */
  mark {
    background-color: #fff8b3;
  }

  .blog-highlight {
    color: #e53935;
    font-weight: bold;
  }

  footer.blog-footer {
    font-size: 14px;
    color: #666;
    margin-top: 60px;
    border-top: 1px solid #ddd;
    padding-top: 20px;
  }

  .blog-facility {
    margin-top: 3em;
    padding-bottom: 2em;
    border-bottom: 1px solid #ddd;
  }

  .blog-img-row {
    display: flex;
    gap: 10px;
    margin-top: 1em;
  }

  .blog-img-row img {
    width: 32%;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
  }

  .blog-img-row img:hover {
    transform: scale(1.05);
  }

  .blog-details {
    background: linear-gradient(to right, #fdfbfb, #ebedee);
    padding: 1.5em;
    margin-top: 1.5em;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  }

  .blog-details dl {
    display: grid;
    grid-template-columns: 1fr 2fr;
    row-gap: 1em;
    column-gap: 1em;
    margin: 0;
  }

  .blog-details dt {
    font-weight: bold;
    color: #b44c4c;
    position: relative;
    padding-left: 1em;
  }

  .blog-details dt::before {
    content: "\2605";
    position: absolute;
    left: 0;
    color: #e53935;
  }

  .blog-details dd {
    margin: 0;
    color: #333;
  }

  .blog-button {
    display: inline-block;
    margin-top: 1.2em;
    background: linear-gradient(135deg, #e53935, #d81b60);
    color: #fff;
    padding: 0.8em 1.8em;
    font-weight: bold;
    border-radius: 30px;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(229,57,53,0.3);
    transition: background 0.3s ease, transform 0.2s ease;
  }

  .blog-button:hover {
    background: linear-gradient(135deg, #d32f2f, #c2185b);
    transform: translateY(-2px);
  }

  .blog-button-wrap {
    text-align: center;
  }

  .blog-heading-recommend {
    color: #e53935;
    font-size: 1.3em;
    font-weight: bold;
    margin-bottom: 0.7em;
  }

  .blog-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
  }

  .blog-popup-overlay img {
    max-width: 90%;
    max-height: 80%;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255,255,255,0.2);
  }

  .blog-popup-overlay.active {
    display: flex;
  }

  .blog-popup-overlay::after {
    content: "×";
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 2em;
    cursor: pointer;
  }