.page-about {
  color: #333333;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  line-height: 1.6;
}

.page-about a {
  transition: opacity 0.2s ease;
}

.page-about__hero-section {
  padding: 10px 0 0 0;
  max-width: 1200px;
  margin: 0 auto;
}

.page-about__hero-image {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.page-about__hero-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 17 / 5;
  object-fit: cover;
  border-radius: 12px;
}

.page-about__hero-content {
  text-align: center;
  padding: 20px 10px;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.page-about__hero-title {
  font-size: clamp(1.5rem, 2.5vw, 2.0rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: #017439;
  margin: 0 0 10px 0;
}

.page-about__hero-description {
  font-size: 1rem;
  color: #333333;
  max-width: 750px;
  margin: 0 auto 20px auto;
}

.page-about__hero-buttons,
.page-about__cta-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.page-about__btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-about__btn--primary {
  background: #C30808;
  color: #FFFF00;
}

.page-about__btn--secondary {
  background: #C30808;
  color: #FFFF00;
}

.page-about__btn:hover {
  opacity: 0.85;
  transform: scale(1.02);
}

.page-about__section-title {
  color: #017439;
  font-weight: 800;
  margin: 0 0 16px 0;
  text-align: center;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.page-about__intro-section {
  max-width: 1200px;
  margin: 10px auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-about__intro-content {
  width: 100%;
}

.page-about__intro-content p {
  margin-bottom: 10px;
}

.page-about__intro-image img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 12px;
  margin: 0 auto;
  display: block;
}

.page-about__features-section,
.page-about__mission-section,
.page-about__guide-section,
.page-about__logo-section,
.page-about__cta-section,
.page-about__faq-section {
  max-width: 1200px;
  margin: 10px auto;
  padding: 20px;
}

.page-about__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  width: 100%;
}

.page-about__feature-item {
  text-align: center;
  background: #ffffff;
  border: 1px solid #ddd;
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.page-about__feature-item:hover {
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.page-about__feature-item img {
  width: 100%;
  height: auto;
  display: block;
}

.page-about__feature-item h3 {
  color: #017439;
  margin: 10px;
}

.page-about__feature-item p {
  padding: 0 10px 10px;
  font-size: 0.95rem;
}

.page-about__mission-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.page-about__mission-text p {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 10px auto;
}

.page-about__guide-steps {
  display: flex;
  flex-direction: column;
  gap: 30px;
  align-items: center;
}

.page-about__guide-step {
  text-align: center;
  max-width: 800px;
}

.page-about__guide-step img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 12px;
}

.page-about__guide-step h3 {
  color: #017439;
  margin: 10px 0;
}

.page-about__logo-intro {
  text-align: center;
  max-width: 700px;
  margin: 10px auto;
}

.page-about__logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 16px;
  justify-items: center;
  padding: 20px 0;
}

.page-about__logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 280px;
  text-align: center;
}

.page-about__logo-item img {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: contain;
}

.page-about__logo-item:nth-child(5) {
  grid-column: 2;
}

.page-about__logo-item:nth-child(6) {
  grid-column: 3;
}

.page-about__logo-link {
  font-weight: 700;
  color: #0477db;
  text-decoration: none;
  display: inline-block;
  max-width: 100%;
}

.page-about__logo-link:hover {
  text-decoration: underline;
}

.page-about__cta-title {
  text-align: center;
  color: #017439;
  margin: 0 0 16px 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.page-about__cta-section p {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 20px auto;
}

.page-about__faq-item {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
  background: #ffffff;
}

.page-about__faq-item summary {
  cursor: pointer;
  font-weight: 700;
  color: #017439;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.page-about__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-about__faq-icon {
  font-size: 1.5rem;
  line-height: 1;
  min-width: 24px;
  text-align: center;
  color: #017439;
}

@media (max-width: 1024px) {
  .page-about__logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about__logo-item:nth-child(5),
  .page-about__logo-item:nth-child(6) {
    grid-column: auto;
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    padding-top: 10px;
  }

  .page-about__hero-img {
    aspect-ratio: 2 / 1;
  }

  .page-about__hero-title {
    font-size: clamp(1.3rem, 5vw, 1.8rem);
  }

  .page-about__hero-buttons,
  .page-about__cta-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
  }

  .page-about__btn {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .page-about__features-grid {
    grid-template-columns: 1fr;
  }

  .page-about__logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about__logo-item {
    max-width: 100%;
  }

  .page-about__logo-item:nth-child(5),
  .page-about__logo-item:nth-child(6) {
    grid-column: auto;
  }

  .page-about img {
    max-width: 100%;
    height: auto;
  }
}

@media (max-width: 480px) {
  .page-about__hero-buttons,
  .page-about__cta-buttons {
    gap: 8px;
  }

  .page-about__btn {
    padding: 10px 16px;
  }
}