.activity-card[data-astro-cid-uriw3r4u]{display:grid;grid-template-columns:280px minmax(0,1fr);gap:2rem;align-items:start;background:#fff;border-radius:20px;padding:1.75rem;border:1px solid var(--border, #f2e3d5);box-shadow:0 4px 16px #3c32230a;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.activity-card[data-astro-cid-uriw3r4u]:hover{border-color:#eb7c2259;box-shadow:0 8px 28px #eb7c2214}.card-left-figure[data-astro-cid-uriw3r4u]{display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.activity-figure[data-astro-cid-uriw3r4u]{margin:0;width:100%;border-radius:14px;overflow:hidden;background:#fdfdfd;border:1px solid var(--border, #f2e3d5)}.activity-diagram-img[data-astro-cid-uriw3r4u]{width:100%;height:auto;aspect-ratio:1 / 1;object-fit:cover;display:block;cursor:zoom-in;transition:transform .3s ease}.activity-diagram-img[data-astro-cid-uriw3r4u]:hover{transform:scale(1.02)}.card-right-content[data-astro-cid-uriw3r4u]{display:flex;flex-direction:column;min-width:0}.activity-card[data-astro-cid-uriw3r4u] h3[data-astro-cid-uriw3r4u].activity-title,.activity-title[data-astro-cid-uriw3r4u]{font-size:1.3rem;font-weight:800;color:var(--forest-dark, #1b4332);line-height:1.35;margin-top:0!important;margin-bottom:.65rem!important}[lang=ja] .activity-title[data-astro-cid-uriw3r4u]{font-family:inherit;letter-spacing:.01em}[lang=en] .activity-title[data-astro-cid-uriw3r4u]{letter-spacing:-.01em}.activity-quick-instruction[data-astro-cid-uriw3r4u]{font-size:.95rem;color:var(--ink, #2b2d42);line-height:1.75;margin:0 0 .85rem}.card-footer-tags[data-astro-cid-uriw3r4u]{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-bottom:.75rem}.activity-number[data-astro-cid-uriw3r4u]{font-size:.78rem;font-weight:800;color:var(--sun, #eb7c22);background:var(--paper-bg, #fef5ea);padding:.2rem .65rem;border-radius:6px;border:1px solid rgba(235,124,34,.3)}.activity-domain-badge[data-astro-cid-uriw3r4u]{font-size:.75rem;font-weight:700;color:var(--forest, #2d6a4f);background:#eaf6ee;padding:.2rem .65rem;border-radius:6px;border:1px solid rgba(43,122,76,.2)}.tag-skills[data-astro-cid-uriw3r4u]{font-size:.8rem;font-weight:700;color:#3b5998;background:#eef2fa;padding:.25rem .6rem;border-radius:6px}.tag-meta[data-astro-cid-uriw3r4u],.tag-age[data-astro-cid-uriw3r4u]{font-size:.8rem;font-weight:600;color:var(--ink-soft, #5c677d);background:#f4f4f4;padding:.25rem .6rem;border-radius:6px}.tag-level[data-astro-cid-uriw3r4u]{font-size:.78rem;font-weight:700;padding:.25rem .65rem;border-radius:6px;line-height:1.4;border:1px solid transparent}.level-easy[data-astro-cid-uriw3r4u]{background:#dcfce7;color:#15803d}.level-med[data-astro-cid-uriw3r4u]{background:#fef3c7;color:#b45309}.level-hard[data-astro-cid-uriw3r4u]{background:#fee2e2;color:#b91c1c}.tag-risk[data-astro-cid-uriw3r4u]{font-size:.78rem;font-weight:700;padding:.25rem .65rem;line-height:1.4;color:var(--ink-soft, #5c677d);background:#fff;border:1px solid #d1d5db;border-radius:999px}.risk-level-med[data-astro-cid-uriw3r4u]{color:#92400e;background:#fffbeb;border-color:#fde68a}.risk-level-hard[data-astro-cid-uriw3r4u]{color:#b91c1c;background:#fef2f2;border-color:#fecaca}.teacher-notes-accordion[data-astro-cid-uriw3r4u]{margin-top:0;border:1px solid var(--border, #f2e3d5);border-radius:12px;overflow:hidden;background:#faf8f5}.accordion-summary[data-astro-cid-uriw3r4u]{display:flex;align-items:center;padding:.75rem 1rem;cursor:pointer;user-select:none;background:#faf8f5;transition:background .2s ease;list-style:none;min-height:44px}.accordion-summary[data-astro-cid-uriw3r4u]::-webkit-details-marker,.accordion-summary[data-astro-cid-uriw3r4u]::marker{display:none;content:""}.accordion-summary[data-astro-cid-uriw3r4u]:hover{background:#f4ede4}.accordion-summary[data-astro-cid-uriw3r4u]:focus-visible{outline:3px solid rgba(235,124,34,.35);outline-offset:-3px}.summary-title[data-astro-cid-uriw3r4u]{display:flex;align-items:center;gap:.5rem;font-size:.88rem;font-weight:700;color:var(--forest-dark, #1b4332);width:100%}.summary-title[data-astro-cid-uriw3r4u] span[data-astro-cid-uriw3r4u]{flex:1;text-align:left}.inline-icon{color:var(--sun, #eb7c22);flex-shrink:0}.accordion-chevron{margin-left:auto;transition:transform .25s ease;flex-shrink:0;color:var(--sun, #eb7c22)}.teacher-notes-accordion[data-astro-cid-uriw3r4u][open] .accordion-chevron{transform:rotate(180deg)}.accordion-body[data-astro-cid-uriw3r4u]{padding:1.15rem;background:#fff;border-top:1px dashed var(--border, #f2e3d5);display:flex;flex-direction:column;gap:.75rem;font-size:.92rem;line-height:1.7}.note-row[data-astro-cid-uriw3r4u]{display:flex;align-items:baseline;gap:.5rem}.note-label[data-astro-cid-uriw3r4u]{font-weight:700;color:var(--forest-dark, #1b4332);white-space:nowrap;display:inline-flex;align-items:center;gap:.35rem;flex-shrink:0}.note-subicon{color:var(--sun, #eb7c22);flex-shrink:0}.note-text[data-astro-cid-uriw3r4u]{color:var(--ink, #2b2d42)}.note-safety[data-astro-cid-uriw3r4u]{background:#fff8f8;padding:.5rem .75rem;border-radius:8px;border-left:3px solid #e03131}.note-safety[data-astro-cid-uriw3r4u] .note-label[data-astro-cid-uriw3r4u],.note-safety[data-astro-cid-uriw3r4u] .note-subicon{color:#c92a2a}.note-cue[data-astro-cid-uriw3r4u]{background:#fdfbf5;padding:.5rem .75rem;border-radius:8px;border-left:3px solid var(--sun, #eb7c22)}@media(max-width:860px){.activity-card[data-astro-cid-uriw3r4u]{grid-template-columns:1fr;gap:1.5rem;padding:1.5rem}.card-left-figure[data-astro-cid-uriw3r4u]{max-width:320px;margin:0 auto}}@media(max-width:640px){.activity-card[data-astro-cid-uriw3r4u]{padding:1.25rem}.card-left-figure[data-astro-cid-uriw3r4u]{max-width:100%}.note-row[data-astro-cid-uriw3r4u]{flex-direction:column;gap:.25rem}}.activities-container[data-astro-cid-2gafn6dd]{margin-bottom:3.5rem;box-sizing:border-box;width:100%}.activity-cards-list[data-astro-cid-2gafn6dd]{display:flex;flex-direction:column;gap:1.75rem}