html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden !important;
}

.post-page,
.legal-page,
.post-card,
.post-card article,
.post-page article {
  max-width: 100% !important;
  overflow-x: hidden !important;
}

.post-visual,
.post-page img,
.legal-page img,
.post-card img,
article img {
  display: block !important;
  width: 100% !important;
  max-width: 100% !important;
  height: auto !important;
  box-sizing: border-box !important;
  object-fit: contain !important;
}

.category-guide {
  margin: 18px 0 22px;
}

.category-guide-box {
  padding: 22px 24px;
  border: 1px solid #e8edf4;
  border-radius: 10px;
  background: linear-gradient(135deg, #f8fbff, #ffffff);
}

.category-guide-box h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.category-guide-box p {
  margin: 0 0 14px;
  color: #344155;
  font-size: 15px;
  line-height: 1.85;
}

.category-guide-box ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 0 0 14px;
  padding-left: 18px;
}

.category-guide-box li {
  color: #344155;
  font-size: 14px;
  line-height: 1.7;
}

.category-guide-box .source-note {
  margin: 14px 0 0;
  padding: 14px 16px;
  border-radius: 8px;
  background: #eef6ff;
  color: #40506a;
  font-size: 14px;
}

.common-footer {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid #e8edf4;
}

.common-footer p {
  margin: 0 0 12px;
  color: #687386;
  font-size: 13px;
  line-height: 1.7;
}

.common-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.common-footer a {
  color: #075eea !important;
  font-size: 14px;
  font-weight: 800;
}

@media (max-width: 640px) {
  .post-page,
  .legal-page {
    width: calc(100% - 28px) !important;
    max-width: calc(100vw - 28px) !important;
    padding-left: 18px !important;
    padding-right: 18px !important;
  }

  .post-visual,
  .post-page img,
  .legal-page img,
  .post-card img,
  article img {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }

  .category-guide-box {
    padding: 18px 16px;
  }

  .category-guide-box h2 {
    font-size: 18px;
  }

  .category-guide-box p,
  .category-guide-box li,
  .category-guide-box .source-note {
    font-size: 13px;
  }

  .category-guide-box ul {
    grid-template-columns: 1fr;
  }
}