.back-link[data-astro-cid-zitc5at4]{margin-bottom:var(--spacing-lg)}.back-link[data-astro-cid-zitc5at4].bottom{margin-top:var(--spacing-xl);margin-bottom:0;text-align:center;display:flex;justify-content:center}.back-link[data-astro-cid-zitc5at4] a[data-astro-cid-zitc5at4]{color:var(--color-primary-dark);text-decoration:none;font-weight:500;display:inline-flex;align-items:center;gap:var(--spacing-xs);transition:color var(--transition-fast)}.back-link[data-astro-cid-zitc5at4] a[data-astro-cid-zitc5at4]:not(.btn):hover{color:var(--color-primary-light);text-decoration:underline}.back-link[data-astro-cid-zitc5at4] .arrow[data-astro-cid-zitc5at4]{font-size:1.1rem}.sponsored-nav[data-astro-cid-zitc5at4]{background:var(--color-gray-50);border:1px solid var(--color-gray-200);border-radius:8px;padding:var(--spacing-sm) var(--spacing-md);margin-bottom:var(--spacing-xl)}.nav-buttons[data-astro-cid-zitc5at4]{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.nav-btn[data-astro-cid-zitc5at4]{display:inline-flex;align-items:center;gap:.4rem;background:var(--color-white);border:1px solid var(--color-gray-300);padding:.35rem .75rem;border-radius:6px;font-size:.85rem;color:var(--color-gray-800);text-decoration:none;transition:all var(--transition-fast)}.nav-btn[data-astro-cid-zitc5at4]:hover{border-color:var(--color-primary);color:var(--color-primary-dark);background:var(--color-primary-pale)}.program-content[data-astro-cid-zitc5at4]{display:flex;flex-direction:column;gap:var(--spacing-xl)}.sponsored-card[data-astro-cid-zitc5at4]{background:var(--color-white);border-radius:12px;border:1px solid var(--color-gray-200);overflow:hidden;box-shadow:var(--shadow-sm);scroll-margin-top:100px}.sponsored-card-header[data-astro-cid-zitc5at4]{background:linear-gradient(135deg,var(--color-primary-dark) 0%,var(--color-primary) 100%);color:var(--color-white);padding:var(--spacing-md) var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap}.company-name[data-astro-cid-zitc5at4]{font-size:1.25rem;font-weight:700;margin:0;color:var(--color-white)}.company-name-en[data-astro-cid-zitc5at4]{font-size:.9rem;font-weight:400;opacity:.9}.sponsored-card-body[data-astro-cid-zitc5at4]{padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-lg)}.meta-info-box[data-astro-cid-zitc5at4]{background:var(--color-gray-50);border:1px solid var(--color-gray-200);border-radius:6px;padding:var(--spacing-sm) var(--spacing-md);margin-bottom:var(--spacing-md);display:flex;flex-wrap:wrap;gap:var(--spacing-sm) var(--spacing-lg);font-size:.9rem;color:var(--color-gray-800)}.meta-item[data-astro-cid-zitc5at4] strong[data-astro-cid-zitc5at4]{color:var(--color-primary-dark)}.title-section[data-astro-cid-zitc5at4]{border-bottom:1px solid var(--color-gray-200);padding-bottom:var(--spacing-md)}.title-jp[data-astro-cid-zitc5at4]{font-size:1.35rem;color:var(--color-gray-900);line-height:1.4;margin-bottom:var(--spacing-xs);font-weight:700}.title-en[data-astro-cid-zitc5at4]{font-size:.95rem;color:var(--color-gray-600);line-height:1.4;margin:0}.section-label[data-astro-cid-zitc5at4]{font-size:1rem;font-weight:700;color:var(--color-primary-dark);margin-bottom:var(--spacing-xs);display:flex;align-items:center;gap:.3rem}.organizer-section[data-astro-cid-zitc5at4]{background:var(--color-gray-50);padding:var(--spacing-md);border-radius:8px}.organizer-name[data-astro-cid-zitc5at4]{font-size:.98rem;color:var(--color-gray-900);margin:0;line-height:1.5}.organizer-name-en[data-astro-cid-zitc5at4]{font-size:.88rem;font-weight:400;color:var(--color-gray-600)}.speaker-section[data-astro-cid-zitc5at4]{background:var(--color-gray-50);padding:var(--spacing-md);border-radius:8px}.speaker-name[data-astro-cid-zitc5at4]{font-size:.98rem;color:var(--color-gray-900);margin:0;line-height:1.5}.speaker-name-en[data-astro-cid-zitc5at4]{font-size:.88rem;font-weight:400;color:var(--color-gray-600)}.timeline-box[data-astro-cid-zitc5at4]{display:flex;flex-direction:column;gap:var(--spacing-sm);background:var(--color-gray-50);padding:var(--spacing-md);border-radius:8px}.timeline-item[data-astro-cid-zitc5at4]{padding-bottom:var(--spacing-sm);border-bottom:1px dashed var(--color-gray-200)}.timeline-item[data-astro-cid-zitc5at4]:last-child{border-bottom:none;padding-bottom:0}.timeline-content[data-astro-cid-zitc5at4]{flex:1}.p-title-jp[data-astro-cid-zitc5at4]{font-weight:700;font-size:1.02rem;color:var(--color-gray-900);line-height:1.4}.p-title-en[data-astro-cid-zitc5at4]{font-size:.88rem;color:var(--color-gray-600);margin-top:.15rem}.p-speaker[data-astro-cid-zitc5at4]{font-size:.92rem;color:var(--color-gray-800);margin-top:.4rem;line-height:1.5}.p-speaker-en[data-astro-cid-zitc5at4]{font-size:.85rem;color:var(--color-gray-600);margin-top:.1rem;font-weight:400}.abstract-box[data-astro-cid-zitc5at4]{background:var(--color-gray-50);padding:var(--spacing-md) var(--spacing-lg);border-radius:8px;line-height:1.7;color:var(--color-gray-800);font-size:.95rem}.abstract-box[data-astro-cid-zitc5at4] p[data-astro-cid-zitc5at4]{margin-bottom:.75rem}.abstract-box[data-astro-cid-zitc5at4] p[data-astro-cid-zitc5at4]:last-child{margin-bottom:0}.abstract-en-section[data-astro-cid-zitc5at4]{margin-top:var(--spacing-md)}.abstract-en-title[data-astro-cid-zitc5at4]{font-size:.95rem;font-weight:700;color:var(--color-gray-700);margin-bottom:var(--spacing-xs)}.abstract-en-box[data-astro-cid-zitc5at4]{font-size:.93rem;color:var(--color-gray-700)}@media (max-width: 640px){.sponsored-card-body[data-astro-cid-zitc5at4]{padding:var(--spacing-md)}}