.main__section{
    background-color: #fff;
    padding-top: 150px;
 }
@media (max-width: 768px) {
.main__section{
    padding-top: 80px;
 }
}
    /* =============================================
       SESSION LIST
    ============================================= */
    .session-list__list {
      display: flex;
      flex-direction: column;
    }
 
    .session-item {
      display: grid;
      grid-template-columns: 50% 1fr;
      gap: clamp(1.5rem, 4vw, 3.5rem);
      align-items: center;
      padding-block: var(--spacer-m);
      border-bottom: 1px solid var(--color-border);
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
      margin-inline: auto;
      padding-inline: clamp(1.25rem, 4vw, 3rem) ;
      padding: 10vw 15vw;
    }
    
    .session-item:nth-child(odd) {
      background-color: var(--color-bg-light2);

     }
    .session-item.is-visible {
      opacity: 1;
      transform: translateY(0);
    }
    .session-item:nth-child(2) { transition-delay: 0.1s; }
    .session-item:nth-child(3) { transition-delay: 0.2s; }

    .session-item__thumb {
      border-radius: .5rem;
      overflow: hidden;
      aspect-ratio: 4/3;
      background: linear-gradient(135deg, var(--color-main1), var(--color-bg-light2));
      flex-shrink: 0;
    }
    .session-item__thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    } 
    .session-item__body {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
		align-items: flex-start;
    }
    .session-item__category {
      display: inline-block;
      font-family: 'Noto Sans JP', sans-serif;
      font-size: var(--fs-xs);
      letter-spacing: 0.1em;
      padding: 0.1rem 0.95rem;
      align-self: flex-start;
    }
    .session-item__title {
      font-size: var(--fs-m);
      letter-spacing: 0.05em;
      line-height: 1.5;
      font-weight: 400;
    }
    .session-item__desc {
      font-size: var(--fs-s);
      color: var(--color-text-light);
      line-height: 2;
    }
    .session-item__footer {
      margin-top: 0.5rem;
    }
 
    @media (max-width: 768px) {
 .session-item {
        grid-template-columns: 1fr;
        gap: var(--spacer-s);
      padding: 20vw 1.5rem;
      }
.session-item__thumb {
        aspect-ratio: 16/9;
      }
    }