.page-about__hero-section { width: 100%; background-color: #F5F7FA; padding: 10px 16px 0; }
.page-about__hero-image { width: 100%; aspect-ratio: 17/5; object-fit: cover; display: block; border-radius: 12px; margin-bottom: 24px; }
.page-about__section { padding: 48px 16px; background-color: #F5F7FA; }
.page-about__section:nth-child(even) { background-color: #FFFFFF; }
.page-about__container { max-width: 1200px; margin: 0 auto; }
.page-about__intro-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: center; }
.page-about__intro-content h1 { color: #333333; font-weight: 800; line-height: 1.35; letter-spacing: -0.01em; max-width: 640px; margin-bottom: 16px; }
.page-about__intro-text { color: #333333; font-size: 1.05rem; line-height: 1.7; margin-bottom: 24px; }
.page-about__emoji { display: inline-block; }
.page-about__cta-group { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 12px; }
.page-about__btn { display: inline-block; padding: 12px 28px; border-radius: 50px; font-weight: 600; text-decoration: none; text-align: center; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.page-about__btn--primary { background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); color: #FFFFFF; }
.page-about__btn--primary:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(229, 57, 53, 0.3); }
.page-about__btn--secondary { background: #FFFFFF; color: #E53935; border: 2px solid #E53935; }
.page-about__btn--secondary:hover { background: #FFE9E9; }
.page-about__intro-stats { display: grid; grid-template-columns: 1fr; gap: 16px; }
.page-about__stat-item { background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 12px; padding: 24px 20px; text-align: center; }
.page-about__stat-number { font-size: 2rem; font-weight: 800; color: #E53935; display: block; line-height: 1.2; }
.page-about__stat-label { font-size: 0.9rem; color: #666666; display: block; margin-top: 4px; }
.page-about__section--mission h2, .page-about__section--values h2, .page-about__section--achievements h2, .page-about__section--commitment h2, .page-about__section--partner h2, .page-about__section--guide h2, .page-about__section--download h2, .page-about__section--cta h2 { color: #333333; font-weight: 800; margin-bottom: 16px; text-align: center; }
.page-about__section--mission p, .page-about__section--achievements .page-about__intro-text, .page-about__section--guide .page-about__intro-text, .page-about__section--download .page-about__intro-text { color: #333333; margin-bottom: 24px; }
.page-about__values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 32px; }
.page-about__value-card { background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 12px; padding: 24px; transition: box-shadow 0.2s; }
.page-about__value-card:hover { box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); }
.page-about__value-card h3 { color: #E53935; margin-bottom: 10px; font-size: 1.15rem; }
.page-about__value-card p { color: #333333; line-height: 1.6; }
.page-about__achievement-list { list-style: none; margin: 24px 0; }
.page-about__achievement-list li { padding: 8px 0; padding-left: 28px; position: relative; color: #333333; line-height: 1.6; }
.page-about__achievement-list li::before { content: "✓"; position: absolute; left: 4px; color: #E53935; font-weight: 700; }
.page-about__commit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.page-about__commit-card { background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 12px; padding: 24px; }
.page-about__commit-card h3 { color: #E53935; margin-bottom: 10px; }
.page-about__commit-card p { color: #333333; line-height: 1.6; }
.page-about__partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 16px; justify-items: center; margin-top: 32px; }
.page-about__partner-item { width: 100%; display: flex; justify-content: center; }
.page-about__partner-link { display: flex; flex-direction: column; align-items: center; gap: 12px; text-decoration: none; max-width: 280px; width: 100%; }
.page-about__partner-logo { width: 100%; aspect-ratio: 2/1; object-fit: contain; border-radius: 8px; background-color: #FFFFFF; padding: 8px; border: 1px solid #E0E0E0; }
.page-about__partner-name { color: #333333; font-weight: 700; }
.page-about__partner-item:nth-child(5) { grid-column: 2; }
.page-about__partner-item:nth-child(6) { grid-column: 3; }
.page-about__guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.page-about__guide-card { background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 12px; padding: 20px; transition: box-shadow 0.2s; }
.page-about__guide-card:hover { box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05); }
.page-about__guide-card h3 { color: #E53935; margin-bottom: 12px; text-align: left; }
.page-about__guide-media { margin-bottom: 12px; }
.page-about__guide-image { width: 100%; aspect-ratio: 2/1; object-fit: cover; border-radius: 8px; }
.page-about__guide-card p { color: #333333; line-height: 1.6; }
.page-about__guide-cta { text-align: center; margin-top: 32px; }
.page-about__download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.page-about__download-card { background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 12px; padding: 24px; text-align: center; }
.page-about__download-header { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 12px; }
.page-about__download-icon { font-size: 2rem; }
.page-about__download-card h3 { color: #E53935; text-align: center; }
.page-about__download-text { color: #333333; line-height: 1.6; margin-bottom: 16px; }
.page-about__note { color: #666666; font-size: 0.9rem; margin-top: 24px; text-align: center; }
.page-about__cta-box { background: #FFFFFF; border: 1px solid #E0E0E0; border-radius: 16px; padding: 48px 32px; text-align: center; }
.page-about__cta-box p { color: #333333; max-width: 720px; margin: 0 auto 24px; }
.page-about__cta-box .page-about__cta-group { justify-content: center; }
@media (max-width: 1024px) {
  .page-about__intro-grid { grid-template-columns: 1fr; gap: 32px; }
  .page-about__intro-stats { grid-template-columns: repeat(3, 1fr); }
  .page-about__values-grid { grid-template-columns: 1fr; }
  .page-about__commit-grid { grid-template-columns: 1fr; }
  .page-about__partner-grid { grid-template-columns: repeat(4, 1fr); }
  .page-about__guide-grid { grid-template-columns: 1fr; }
  .page-about__download-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .page-about__hero-section { padding: 10px 12px 0; }
  .page-about__hero-image { aspect-ratio: 2/1; margin-bottom: 16px; }
  .page-about__section { padding: 32px 12px; }
  .page-about__intro-stats { grid-template-columns: 1fr; }
  .page-about__partner-grid { grid-template-columns: repeat(2, 1fr); }
  .page-about__partner-item:nth-child(5), .page-about__partner-item:nth-child(6) { grid-column: auto; }
  .page-about__cta-group { flex-direction: column; align-items: center; width: 100%; max-width: 100%; }
  .page-about__btn { max-width: 100%; box-sizing: border-box; white-space: normal; word-wrap: break-word; width: 100%; max-width: 100%; }
  .page-about__container, .page-about__cta-box { overflow: hidden; box-sizing: border-box; }
  .page-about img { max-width: 100% !important; height: auto !important; }
}
@media (max-width: 480px) {
  .page-about__download-icon { font-size: 1.5rem; }
}