.blog-list {
  padding-top: var(--header-offset, 120px);
  background-color: #F8F8F8;
  padding-bottom: 40px;
}

.blog-list__hero-section {
  text-align: center;
  padding: 40px 20px;
  background-color: #FFFFFF;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.blog-list__main-title {
  font-size: 2.5em;
  color: #333333;
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
}

.blog-list__description {
  font-size: 1.1em;
  color: #555555;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.blog-list__timeline-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.blog-list__timeline-container {
  position: relative;
  padding: 20px 0;
}

.blog-list__timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background-color: #DDDDDD;
  transform: translateX(-50%);
  display: none;
}

@media (min-width: 768px) {
  .blog-list__timeline-container::before {
    display: block;
  }
}

.blog-list__item {
  display: flex;
  margin-bottom: 40px;
  position: relative;
  width: 100%;
  flex-direction: column;
}

@media (min-width: 768px) {
  .blog-list__item {
    flex-direction: row;
    justify-content: space-between;
  }
  .blog-list__item:nth-child(odd) {
    flex-direction: row-reverse;
  }
  .blog-list__item:nth-child(odd) .blog-list__date-marker {
    left: auto;
    right: -25px;
  }
  .blog-list__item:nth-child(odd) .blog-list__content-wrapper {
    margin-right: calc(50% + 25px);
    margin-left: 0;
  }
  .blog-list__item:nth-child(even) .blog-list__content-wrapper {
    margin-left: calc(50% + 25px);
    margin-right: 0;
  }
}

.blog-list__date-marker {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: #CC3300;
  color: #FFFFFF;
  padding: 8px 12px;
  border-radius: 50px;
  font-size: 0.85em;
  font-weight: bold;
  z-index: 10;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  display: none;
}

@media (min-width: 768px) {
  .blog-list__date-marker {
    display: block;
    left: -25px;
    transform: none;
  }
  .blog-list__item .blog-list__date-marker {
    top: 50%;
    transform: translateY(-50%);
  }
}

.blog-list__content-wrapper {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  width: 100%;
}

@media (min-width: 768px) {
  .blog-list__content-wrapper {
    width: calc(50% - 25px);
    flex-direction: row;
    align-items: center;
  }
  .blog-list__item:nth-child(odd) .blog-list__content-wrapper {
    flex-direction: row-reverse;
  }
}

.blog-list__image-container {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

@media (min-width: 768px) {
  .blog-list__image-container {
    width: 40%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
}

.blog-list__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.blog-list__image-container:hover .blog-list__image {
  transform: scale(1.05);
}

.blog-list__text-content {
  padding: 20px;
  flex-grow: 1;
}

@media (min-width: 768px) {
  .blog-list__text-content {
    width: 60%;
  }
}

.blog-list__title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.3;
}

.blog-list__title-link {
  color: #333333;
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-list__title-link:hover {
  color: #CC3300;
}

.blog-list__summary {
  font-size: 1em;
  color: #555555;
  margin-bottom: 15px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.blog-list__read-more-button {
  display: inline-block;
  background-color: #CC3300;
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9em;
  transition: background-color 0.3s ease;
}

.blog-list__read-more-button:hover {
  background-color: #A02B00;
}

@media (max-width: 767px) {
  .blog-list__main-title {
    font-size: 1.8em;
  }
  .blog-list__description {
    font-size: 0.95em;
  }
  .blog-list__item {
    margin-bottom: 25px;
  }
  .blog-list__content-wrapper {
    margin: 0;
  }
  .blog-list__date-marker {
    position: static;
    transform: none;
    margin-bottom: 10px;
    text-align: center;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    display: block;
  }
  .blog-list__image-container {
    height: 180px;
  }
  .blog-list__title {
    font-size: 1.2em;
  }
  .blog-list__summary {
    font-size: 0.9em;
    -webkit-line-clamp: 4;
  }
  .blog-list__read-more-button {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .blog-list__hero-section {
    padding: 30px 15px;
  }
  .blog-list__main-title {
    font-size: 2em;
  }
  .blog-list__description {
    font-size: 1em;
  }
  .blog-list__timeline-container::before {
    left: 50%;
  }
  .blog-list__item {
    margin-bottom: 30px;
  }
  .blog-list__date-marker {
    left: 50%;
    transform: translateX(-50%);
  }
  .blog-list__content-wrapper {
    width: calc(50% - 20px);
  }
  .blog-list__item:nth-child(odd) .blog-list__content-wrapper {
    margin-right: calc(50% + 20px);
  }
  .blog-list__item:nth-child(even) .blog-list__content-wrapper {
    margin-left: calc(50% + 20px);
  }
  .blog-list__image-container {
    height: 160px;
  }
  .blog-list__title {
    font-size: 1.3em;
  }
}