.page-about__hero-section { display: flex; flex-direction: column; align-items: center; gap: 16px; padding-top: 10px; max-width: 100%; }
.page-about__hero-image-wrapper { width: 100%; margin: 0; padding: 0; }
.page-about__hero-image { display: block; width: 100%; height: auto; aspect-ratio: 16/5; object-fit: cover; object-position: center;
}
.page-about__hero-content { text-align: center; width: 100%; padding: 0 16px; }
.page-about__hero-title { font-weight: 800; color: #017439; line-height: 1.3; letter-spacing: -0.02em; max-width: 700px; margin: 0 auto 12px; font-size: clamp(1.5rem, 3vw, 2.5rem); }
.page-about__hero-description { font-size: 1.05rem; color: #333333; line-height: 1.65; max-width: 850px; margin: 0 auto 18px; }
.page-about__hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; width: 100%; max-width: 100%; overflow: hidden; }
.page-about__register-btn, .page-about__login-btn {
  border: none; cursor: pointer; font-size: 1rem; font-weight: 700;
  text-decoration: none; display: inline-block; text-align: center; max-width: 100%; white-space: normal; word-wrap: break-word; box-sizing: border-box;
  padding: 12px 30px; border-radius: 8px; transition: opacity .2s, transform .2s;
}
.page-about__register-btn { background: #C30808; color: #FFFF00; }
.page-about__login-btn { background: #C30808; color: #FFFF00; }
.page-about__register-btn:hover, .page-about__login-btn:hover { opacity: .85; transform: translateY(-2px); }

.page-about__intro-section { padding: 32px 16px; background: #f9f9f9; }
.page-about__section-title { font-size: 1.8rem; color: #017439; margin-bottom: 16px; font-weight: 700; }
.page-about__section-title--center { text-align: center; }
.page-about__intro-text { font-size: 1.05rem; line-height: 1.8; color: #333; max-width: 1000px; margin: 0 auto; text-align: justify; }

.page-about__feature-section { padding: 40px 16px; max-width: 1200px; margin: 0 auto; }
.page-about__feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 24px; }
.page-about__feature-card { background: #ffffff; border: 1px solid #e0e0e0; border-radius: 12px; overflow: hidden; transition: box-shadow .3s; display: flex; flex-direction: column; }
.page-about__feature-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.page-about__feature-image { width: 100%; height: auto; aspect-ratio: 16/10; object-fit: cover; }
.page-about__feature-title { font-size: 1.25rem; color: #017439; margin: 16px 16px 8px; }
.page-about__feature-text { font-size: .95rem; line-height: 1.6; color: #444; margin: 0 16px 16px; }

.page-about__mission-section { background: #017439; padding: 48px 16px; }
.page-about__mission-inner { max-width: 850px; margin: 0 auto; text-align: center; }
.page-about__mission-section .page-about__section-title { color: #ffffff; }
.page-about__mission-list { list-style: none; text-align: left; margin-bottom: 24px; }
.page-about__mission-item { background: #ffffff; border-radius: 8px; padding: 18px 20px; margin-bottom: 14px; color: #333; line-height: 1.6; }
.page-about__mission-item strong { color: #017439; }
.page-about__cta-btn {
  background: #C30808; color: #FFFF00;
  padding: 12px 30px; border-radius: 8px; font-weight: 700; text-decoration: none;
  display: inline-block; max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; transition: opacity .2s;
}
.page-about__cta-btn:hover { opacity: .85; }

.page-about__story-section { padding: 40px 16px; max-width: 1200px; margin: 0 auto; }
.page-about__story-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 24px; }
.page-about__story-item { background: #f9f9f9; border-radius: 12px; overflow: hidden; }
.page-about__story-image { width: 100%; height: auto; aspect-ratio: 2/1; object-fit: cover; }
.page-about__story-title { font-size: 1.3rem; color: #017439; margin: 16px 16px 8px; }
.page-about__story-text { font-size: .95rem; color: #333; line-height: 1.6; margin: 0 16px 16px; }

@media (max-width: 768px) {
  .page-about__hero-image { aspect-ratio: 4/3; }
  .page-about__hero-title { font-size: clamp(1.4rem, 4vw + 1rem, 2rem); }
  .page-about__hero-description { font-size: .95rem; padding: 0 10px; }
  .page-about__feature-grid { grid-template-columns: 1fr; }
  .page-about__story-grid { grid-template-columns: 1fr; }
  .page-about img { max-width: 100% !important; height: auto !important; }
  .page-about__mission-item, .page-about__cta-btn { max-width: 100%; box-sizing: border-box; }
  .page-about__hero-content, .page-about__hero-actions { width: 100%; overflow: hidden; }
  
}