.mnrk-product-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 24px;
  margin: 28px 0;
  background: #fff !important;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.mnrk-product-card__img {
  flex-shrink: 0;
  width: 120px;
}
.mnrk-product-card__img img {
  width: 100% !important;
  height: auto !important;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,.1);
}
.mnrk-product-card__img a {
  display: block;
  text-decoration: none !important;
  border: none !important;
}
.mnrk-product-card__body {
  flex: 1;
  min-width: 0;
}
.mnrk-product-card__title {
  font-size: 16px;
  font-weight: bold;
  line-height: 1.6;
  margin: 0 0 2px !important;
}
.mnrk-product-card__title a {
  color: #333 !important;
  text-decoration: none !important;
  border: none !important;
}
.mnrk-product-card__title a:hover {
  color: #1a73e8 !important;
  text-decoration: underline !important;
}
.mnrk-product-card__meta {
  font-size: 13px;
  color: #888 !important;
  margin: 0 0 8px !important;
}
.mnrk-product-card__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.mnrk-product-card .mnrk-product-card__buttons a,
.mnrk-product-card .mnrk-product-card__buttons a:link,
.mnrk-product-card .mnrk-product-card__buttons a:visited,
.mnrk-product-card .mnrk-product-card__buttons a:active {
  display: flex !important;
  align-items: center;
  justify-content: center;
  padding: 12px 4px !important;
  border-radius: 40px !important;
  color: #fff !important;
  text-decoration: none !important;
  border: none !important;
  font-size: 14px !important;
  font-weight: bold !important;
  flex: 1;
  min-width: 0;
  max-width: 180px;
  transition: opacity .2s, transform .15s, box-shadow .2s;
  letter-spacing: .4px;
  box-shadow: 0 2px 4px rgba(0,0,0,.12);
}
.mnrk-product-card .mnrk-product-card__buttons a:hover {
  opacity: .9;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,.18);
  color: #fff !important;
}
.mnrk-btn-amazon        { background: #f6a306 !important; }
.mnrk-btn-rakuten       { background: #cf4944 !important; }
.mnrk-btn-rakuten-books { background: #bf0000 !important; }
.mnrk-btn-yahoo         { background: #4c9cdf !important; }
.mnrk-btn-au            { background: #e67e22 !important; }

@media (max-width: 600px) {
  .mnrk-product-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
  }
  .mnrk-product-card__img {
    width: 100px;
  }
  .mnrk-product-card__buttons {
    justify-content: center;
    width: 100%;
  }
  .mnrk-product-card__buttons a {
    flex: 1 1 45%;
    max-width: none;
  }
}