.kids-page[data-astro-cid-i2tzt4aj]{--kids-blue:#586cff;--kids-cyan:#74d8ff;--kids-violet:#8c79ff;--kids-ink:#171620;--kids-paper:#fbfaf6;color:var(--kids-ink);background:#fff;overflow:clip}.kids-hero[data-astro-cid-i2tzt4aj]{min-height:calc(100svh - 133px);padding:clamp(4rem,8vw,8rem) var(--page-gutter);background:linear-gradient(135deg,#f9fbff 0%,#fff 46%,#f7f4ff 100%);grid-template-columns:minmax(0,.83fr) minmax(30rem,1.17fr);align-items:center;display:grid;position:relative}.kids-hero[data-astro-cid-i2tzt4aj]:before{background-image:var(--layout-grid-image);background-size:var(--layout-grid-track) 100%;content:"";inset:0 var(--page-gutter);opacity:.75;pointer-events:none;position:absolute}.kids-hero__copy[data-astro-cid-i2tzt4aj]{z-index:3;max-width:42rem;position:relative}.kids-eyebrow[data-astro-cid-i2tzt4aj]{color:#707684;font:600 .6rem/1 var(--font-en);letter-spacing:.14em;text-transform:uppercase;align-items:center;gap:1rem;margin:0 0 3rem;display:flex}.kids-eyebrow[data-astro-cid-i2tzt4aj] span[data-astro-cid-i2tzt4aj]{color:var(--kids-blue)}.kids-eyebrow[data-astro-cid-i2tzt4aj] i[data-astro-cid-i2tzt4aj]{font-style:normal}.kids-hero[data-astro-cid-i2tzt4aj] h1[data-astro-cid-i2tzt4aj]{font-size:var(--type-jp-display);letter-spacing:var(--tracking-jp-heading);line-height:var(--leading-jp-display);margin:0}.kids-hero[data-astro-cid-i2tzt4aj] h1[data-astro-cid-i2tzt4aj] em[data-astro-cid-i2tzt4aj]{background:linear-gradient(90deg,var(--kids-blue),#73cfff);color:#0000;-webkit-background-clip:text;background-clip:text;font-style:normal}.kids-hero__subtitle[data-astro-cid-i2tzt4aj]{margin:2.5rem 0 1.4rem;font-size:clamp(1.25rem,2vw,1.75rem);font-weight:650;line-height:1.65}.kids-hero__lead[data-astro-cid-i2tzt4aj]{color:#5e6370;max-width:36rem;margin:0;font-size:.9rem;line-height:2.05}.kids-hero__actions[data-astro-cid-i2tzt4aj]{align-items:center;gap:1rem 2rem;margin-top:2.7rem;display:flex}.kids-primary-button[data-astro-cid-i2tzt4aj],.kids-text-link[data-astro-cid-i2tzt4aj]{cursor:pointer;justify-content:space-between;align-items:center;min-height:4rem;font-weight:700;display:inline-flex}.kids-primary-button[data-astro-cid-i2tzt4aj]{background:var(--kids-ink);color:#fff;border:0;min-width:15rem;padding:0 1.4rem;position:relative;overflow:hidden}.kids-primary-button[data-astro-cid-i2tzt4aj]:before{background:linear-gradient(90deg,var(--kids-blue),var(--kids-cyan));content:"";opacity:0;transition:opacity .42s;position:absolute;inset:0}.kids-primary-button[data-astro-cid-i2tzt4aj] span[data-astro-cid-i2tzt4aj],.kids-primary-button[data-astro-cid-i2tzt4aj] i[data-astro-cid-i2tzt4aj]{z-index:1;position:relative}.kids-primary-button[data-astro-cid-i2tzt4aj] i[data-astro-cid-i2tzt4aj],.kids-text-link[data-astro-cid-i2tzt4aj] i[data-astro-cid-i2tzt4aj]{font-style:normal;transition:transform .42s 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var(--kids-blue);content:"";pointer-events:none;position:absolute;inset:8%}.kids-book-scene[data-astro-cid-i2tzt4aj] canvas[data-astro-cid-i2tzt4aj]{opacity:0;width:100%;height:100%;transition:opacity .5s;position:absolute;inset:0}.kids-book-scene[data-astro-cid-i2tzt4aj].is-book-webgl-ready canvas[data-astro-cid-i2tzt4aj]{opacity:1}.kids-book-static[data-astro-cid-i2tzt4aj]{border-left:.72rem solid var(--kids-blue);opacity:0;background:#ecece8;width:36%;height:56.5%;transition:opacity .25s;animation:1ms linear 1.1s forwards kids-book-fallback-reveal;position:absolute;top:20%;left:32%;transform:perspective(900px)rotateX(54deg)rotate(-4deg);box-shadow:-1.2rem 1.8rem 3.5rem #2f355b29}.kids-book-static[data-astro-cid-i2tzt4aj]:before{content:"";border:1px solid #c9cedb;position:absolute;inset:1rem}.kids-book-static[data-astro-cid-i2tzt4aj]:after{content:"";background:repeating-linear-gradient(#0000 0 1.25rem,#586cff24 1.28rem 1.31rem);position:absolute;inset:40% 12% 14%}.kids-book-static[data-astro-cid-i2tzt4aj] span[data-astro-cid-i2tzt4aj],.kids-book-static[data-astro-cid-i2tzt4aj] i[data-astro-cid-i2tzt4aj],.kids-book-static[data-astro-cid-i2tzt4aj] b[data-astro-cid-i2tzt4aj]{color:#222534;font-family:var(--font-en);position:absolute}.kids-book-static[data-astro-cid-i2tzt4aj] span[data-astro-cid-i2tzt4aj]{font-size:clamp(3rem,6vw,5.5rem);top:8%;left:12%}.kids-book-static[data-astro-cid-i2tzt4aj] i[data-astro-cid-i2tzt4aj]{color:var(--kids-blue);font-size:clamp(4rem,8vw,7rem);font-style:normal;top:1%;right:12%}.kids-book-static[data-astro-cid-i2tzt4aj] b[data-astro-cid-i2tzt4aj]{letter-spacing:.18em;font-size:.58rem;bottom:13%;left:14%}.kids-book-scene[data-astro-cid-i2tzt4aj].is-book-webgl-ready .kids-book-static[data-astro-cid-i2tzt4aj]{opacity:0;animation:none}.kids-book-scene[data-astro-cid-i2tzt4aj].is-book-fallback .kids-book-static[data-astro-cid-i2tzt4aj]{opacity:1;animation:none}.kids-book-label[data-astro-cid-i2tzt4aj]{color:#222534;opacity:0;pointer-events:none;text-align:left;z-index:3;background:#ffffffdb;border:1px solid #c9cedb;width:11rem;padding:1rem;transition:opacity .36s,transform .65s;position:absolute;top:47%;left:50%;transform:translate(-50%,-50%)rotate(-2deg)}.kids-book-scene[data-astro-cid-i2tzt4aj].is-book-webgl-ready .kids-book-label[data-astro-cid-i2tzt4aj],.kids-book-scene[data-astro-cid-i2tzt4aj].is-book-fallback .kids-book-label[data-astro-cid-i2tzt4aj]{opacity:1}.kids-book-label[data-astro-cid-i2tzt4aj] span[data-astro-cid-i2tzt4aj]{font-size:.82rem;font-weight:700;line-height:1.65;display:block}.kids-book-label[data-astro-cid-i2tzt4aj] small[data-astro-cid-i2tzt4aj]{color:#777d89;font:500 .42rem var(--font-en);letter-spacing:.12em;margin-top:.8rem;display:block}.kids-book-scene[data-astro-cid-i2tzt4aj].is-book-open .kids-book-label[data-astro-cid-i2tzt4aj],.kids-book-scene[data-astro-cid-i2tzt4aj].is-book-open.is-book-webgl-ready .kids-book-label[data-astro-cid-i2tzt4aj],.kids-book-scene[data-astro-cid-i2tzt4aj].is-book-open.is-book-fallback .kids-book-label[data-astro-cid-i2tzt4aj]{opacity:0;transform:translate(-65%,-50%)rotate(-10deg)}.kids-book-scene__meta[data-astro-cid-i2tzt4aj]{color:#777d89;font:600 .48rem/1 var(--font-en);letter-spacing:.13em;justify-content:space-between;display:flex;position:absolute;bottom:7%;left:8%;right:4%}.kids-contents[data-astro-cid-i2tzt4aj]{border-block:1px solid var(--line);padding:clamp(6rem,10vw,10rem) var(--page-gutter);background:#fff;grid-template-columns:minmax(20rem,.7fr) minmax(0,1.3fr);display:grid}.kids-section-heading[data-astro-cid-i2tzt4aj]{padding-right:clamp(3rem,7vw,8rem)}.kids-section-heading[data-astro-cid-i2tzt4aj]>p[data-astro-cid-i2tzt4aj]:first-child,.kids-sources[data-astro-cid-i2tzt4aj] 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0;font-size:.82rem;line-height:2}.kids-chapter-map[data-astro-cid-i2tzt4aj]{border-top:1px solid var(--line);grid-template-columns:repeat(2,1fr);margin:0;padding:0;list-style:none;display:grid}.kids-chapter-map[data-astro-cid-i2tzt4aj] li[data-astro-cid-i2tzt4aj]{border-bottom:1px solid var(--line)}.kids-chapter-map[data-astro-cid-i2tzt4aj] li[data-astro-cid-i2tzt4aj]:nth-child(odd){border-right:1px solid var(--line)}.kids-chapter-map[data-astro-cid-i2tzt4aj] button[data-astro-cid-i2tzt4aj]{color:inherit;cursor:pointer;text-align:left;background:#fff;border:0;grid-template-columns:2rem 1fr auto;gap:.8rem;width:100%;min-height:10.5rem;padding:1.5rem;transition:background-color .42s,color .42s;display:grid;position:relative}.kids-chapter-map[data-astro-cid-i2tzt4aj] button[data-astro-cid-i2tzt4aj]:after{background:linear-gradient(90deg,var(--kids-blue),var(--kids-cyan));content:"";transform-origin:0;width:100%;height:2px;transition:transform .5s 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ol[data-astro-cid-i2tzt4aj]{border-top:1px solid #d9dae0;margin:0;padding:0;list-style:none}.kids-reader__nav[data-astro-cid-i2tzt4aj] li[data-astro-cid-i2tzt4aj]{border-bottom:1px solid #d9dae0}.kids-reader__nav[data-astro-cid-i2tzt4aj] button[data-astro-cid-i2tzt4aj]{color:#6f7580;cursor:pointer;font-family:var(--font-ja);text-align:left;background:0 0;border:0;grid-template-columns:1.6rem 1fr;align-items:center;gap:.8rem;width:100%;min-height:4.5rem;padding:.7rem 0;transition:color .28s;display:grid}.kids-reader__nav[data-astro-cid-i2tzt4aj] button[data-astro-cid-i2tzt4aj] span[data-astro-cid-i2tzt4aj]{font:.5rem var(--font-en)}.kids-reader__nav[data-astro-cid-i2tzt4aj] button[data-astro-cid-i2tzt4aj] b[data-astro-cid-i2tzt4aj]{font-size:.72rem;line-height:1.5}.kids-reader__nav[data-astro-cid-i2tzt4aj] button[data-astro-cid-i2tzt4aj].is-current{color:var(--kids-blue)}.kids-reader__pages[data-astro-cid-i2tzt4aj]{background:var(--kids-paper);perspective:1400px;touch-action:pan-y;min-height:62rem;position:relative;overflow:hidden}.kids-reader__pages[data-astro-cid-i2tzt4aj]:after{content:"";opacity:0;pointer-events:none;z-index:4;background:linear-gradient(90deg,#0000,#4a53801a,#ffffffb3,#0000);width:42%;position:absolute;inset:0;transform:translate(-112%)skew(-7deg)}.kids-reader__pages[data-astro-cid-i2tzt4aj].is-turning-forward:after{animation:.72s cubic-bezier(.22,1,.36,1) both kids-page-sheen-forward}.kids-reader__pages[data-astro-cid-i2tzt4aj].is-turning-backward:after{animation:.72s cubic-bezier(.22,1,.36,1) both kids-page-sheen-backward}.kids-chapter[data-astro-cid-i2tzt4aj]{backface-visibility:hidden;max-width:64rem;transform-style:preserve-3d;z-index:1;margin:0 auto;padding:clamp(3.5rem,7vw,7rem) clamp(1.5rem,7vw,7rem) clamp(5rem,9vw,9rem);position:relative}html:not(.has-ai-kids-reader) .kids-chapter[data-astro-cid-i2tzt4aj][hidden]{display:block}.kids-chapter[data-astro-cid-i2tzt4aj].is-entering-forward{transform-origin:0;animation:.72s cubic-bezier(.22,1,.36,1) both kids-page-forward}.kids-chapter[data-astro-cid-i2tzt4aj].is-entering-backward{transform-origin:100%;animation:.72s cubic-bezier(.22,1,.36,1) both kids-page-backward}.kids-chapter__head[data-astro-cid-i2tzt4aj]{border-bottom:1px solid #d8d5cb;margin-bottom:clamp(2.5rem,5vw,4.5rem);padding-bottom:2rem}.kids-chapter__head[data-astro-cid-i2tzt4aj] p[data-astro-cid-i2tzt4aj]{color:#7a7e86;font:600 .57rem var(--font-en);letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:1rem;margin:0 0 1.2rem;display:flex}.kids-chapter__head[data-astro-cid-i2tzt4aj] p[data-astro-cid-i2tzt4aj] span[data-astro-cid-i2tzt4aj]{color:var(--kids-blue)}.kids-chapter__head[data-astro-cid-i2tzt4aj] h2[data-astro-cid-i2tzt4aj]{font-size:var(--type-jp-section-title);letter-spacing:var(--tracking-jp-heading);line-height:var(--leading-jp-heading);margin:0}.kids-chapter__body[data-astro-cid-i2tzt4aj]{counter-reset:kids-question;font-size:clamp(.9rem,1.3vw,1rem);line-height:2.05}.kids-chapter__body[data-astro-cid-i2tzt4aj]>h2:first-child{display:none}.kids-chapter__body[data-astro-cid-i2tzt4aj] h3{border-left:3px solid var(--kids-blue);font-size:var(--type-jp-article-subsection);letter-spacing:var(--tracking-jp-heading);text-wrap:balance;margin:3.8rem 0 1.5rem;padding-left:1rem;line-height:1.65}.kids-chapter__body[data-astro-cid-i2tzt4aj] p{color:#4f535b;text-wrap:pretty;margin:0 0 1.5rem}.kids-chapter__body[data-astro-cid-i2tzt4aj] strong{color:#20212a;font-weight:700}.kids-chapter__body[data-astro-cid-i2tzt4aj] ul,.kids-chapter__body[data-astro-cid-i2tzt4aj] ol{color:#4f535b;margin:1.2rem 0 1.8rem;padding-left:1.6rem}.kids-chapter__body[data-astro-cid-i2tzt4aj] li{margin:.45rem 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