.about-container {
  max-width: var(--main-max-width);
  margin: 0 auto;
  padding-top: var(--main-padding-top);
  padding-bottom: 20px;
  padding-left: var(--main-padding);
  padding-right: var(--main-padding);
  min-height: 200px;
}

.about-section {
  padding-top: 50px;
  margin-bottom: 50px;
  background-color: #fff;
}

.aboout-section-header {
  display: flex;
  align-items: center;
  gap: 20px;
}

.about-section-title {
  font-size: 32px;
  font-weight: 700;
  color: #1a1a1a;
  letter-spacing: 2px;
}

.about-section-subtitle {
  font-size: 14px;
  color: var(--main-color);
  font-weight: 600;
  font-family: "Oswald", sans-serif;
  letter-spacing: 1px;
}

.about-content {
  display: flex;
  gap: 60px;
  align-items: flex-start;
  margin-top: 30px;
}

.about-text {
  flex: 1;
}

.about-text p {
  font-size: 14px;
  color: #444;
  line-height: 2;
  margin-bottom: 15px;
  letter-spacing: 0.5px;
}

.about-image {
  flex: 0 0 400px;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.strength-section {
  margin-bottom: 100px;
}

.strength-items {
  display: flex;
  flex-direction: column;
  gap: 80px;
  margin-top: 50px;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
}

.strength-item {
  display: flex;
  align-items: stretch;
  min-height: 450px;
  width: 100%;
  max-width: none;
}

.strength-item:nth-child(even) {
  flex-direction: row-reverse;
}

.strength-content-wrapper {
  width: 40%;
  display: flex;
  flex-direction: column;
  padding: 50px;
  background: #fff;
  position: relative;
  max-width: 50%;
  margin-left: auto;
  padding-left: calc((100vw - 1200px) / 2);
  z-index: 1;
}

.strength-item:nth-child(even) .strength-content-wrapper {
  margin-left: 0;
  margin-right: auto;
  padding-left: 50px;
  padding-right: calc((100vw - 1200px) / 2);
}

.strength-number {
  font-size: 80px;
  font-weight: 900;
  color: #e52134;
  line-height: 1;
  margin-bottom: 30px;
  font-family: "Oswald", sans-serif;
}

.strength-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.strength-heading {
  font-size: 24px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 30px;
  line-height: 1.6;
  letter-spacing: 1px;
}

.strength-description {
  font-size: 14px;
  color: #555;
  line-height: 2;
  letter-spacing: 0.5px;
}

.strength-description p {
  margin-bottom: 20px;
}

.strength-description p:last-child {
  margin-bottom: 0;
}

.strength-image-wrapper {
  flex: 0 0 45%;
  position: relative;
  overflow: hidden;
  background: #888;
}

.strength-image {
  height: 100%;
  max-height: 600px;
  object-fit: cover;
}

.strength-caption {
  position: absolute;
  bottom: 20px;
  right: 20px;
  color: #fff;
  font-size: 13px;
  background: rgba(0, 0, 0, 0.7);
  padding: 10px 20px;
  border-radius: 3px;
  letter-spacing: 0.5px;
}

/* コンテナの最大幅を考慮した調整 */
@media (max-width: 1200px) {
  .strength-content-wrapper {
    padding-left: 50px;
  }

  .strength-item:nth-child(even) .strength-content-wrapper {
    padding-right: 50px;
  }
}

@media (max-width: 1024px) {
  .about-content {
    flex-direction: column;
    gap: 40px;
  }

  .about-image {
    flex: 1;
    max-width: 100%;
  }

  .strength-items {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  .strength-item,
  .strength-item:nth-child(even) {
    flex-direction: column;
  }

  .strength-content-wrapper,
  .strength-item:nth-child(even) .strength-content-wrapper {
    max-width: 100%;
    padding: 40px;
  }

  .strength-image-wrapper {
    flex: 1;
    min-height: 350px;
  }
}

.about-hero-section {
  width: 100%;
  height: 450px;
  background-size: cover;
  background-image: url(/common/images/about/about-header.webp);
  background-position: center;
}

@media (max-width: 768px) {
  .about-container {
    padding: 50px 20px;
  }

  .strength-items {
    gap: 50px;
    margin-top: 30px;
  }

  .strength-content-wrapper,
  .strength-item:nth-child(even) .strength-content-wrapper {
    padding: 30px 20px;
  }

  .strength-number {
    font-size: 60px;
    margin-bottom: 20px;
  }

  .strength-heading {
    font-size: 20px;
    margin-bottom: 20px;
  }

  .strength-description {
    font-size: 13px;
  }

  .strength-image-wrapper {
    min-height: 250px;
  }

  .strength-caption {
    font-size: 12px;
    padding: 8px 15px;
    bottom: 15px;
    right: 15px;
  }
}

@media (max-width: 480px) {
  .about-hero-section {
    height: 200px;
  }

  .about-container {
    padding: 10px 20px;
    min-height: 150px;
  }

  .about-section {
    padding-top: 20px;
  }

  .about-section-title {
    font-size: 20px;
  }

  .about-content {
    margin-top: 15px;
    gap: 20px;
  }

  .about-text p {
    line-height: 1.8;
    font-size: 13px;
  }

  .strength-number {
    font-size: 48px;
  }

  .strength-heading {
    font-size: 18px;
  }

  .strength-item,
  .strength-item:nth-child(even) {
    flex-direction: column-reverse;
  }

  .strength-image-wrapper {
    min-height: 200px;
    height: 200px;
  }

  .strength-image {
    height: 230px;
  }

  .strength-content-wrapper,
  .strength-item:nth-child(even) .strength-content-wrapper {
    margin: 0;
    width: 100%;
  }

  .strength-items {
    gap: 25px;
  }

  .strength-section {
    margin-bottom: 0;
  }
}