.bk-head[data-astro-cid-pco5ef5l]{display:grid;grid-template-columns:180px minmax(0,1fr);gap:34px;align-items:start;margin-top:26px}.bk-cover[data-astro-cid-pco5ef5l]{width:180px;height:auto;aspect-ratio:2 / 3;border-radius:12px;border:1px solid var(--line);box-shadow:0 22px 44px -22px #000000e6}.bk-h1[data-astro-cid-pco5ef5l]{font-size:clamp(30px,4vw,46px);max-width:22ch}.bk-by[data-astro-cid-pco5ef5l]{font-family:var(--body);font-size:17px;color:var(--text2);margin-top:12px}.bk-answer[data-astro-cid-pco5ef5l]{font-family:var(--body);font-size:clamp(16px,1.5vw,19px);line-height:1.65;color:var(--text);max-width:62ch;margin-top:18px;text-wrap:pretty}.bk-answer[data-astro-cid-pco5ef5l] b[data-astro-cid-pco5ef5l]{font-weight:600}.bk-meta[data-astro-cid-pco5ef5l]{margin-top:18px}.bk-meta[data-astro-cid-pco5ef5l] a[data-astro-cid-pco5ef5l]{color:var(--acid)}.bk-meta[data-astro-cid-pco5ef5l] a[data-astro-cid-pco5ef5l]:hover{text-decoration:underline;text-underline-offset:3px}.bk-why[data-astro-cid-pco5ef5l]{margin:34px 0 0;padding:22px 24px;max-width:74ch;background:var(--surf);border:1px solid var(--line);border-left:3px solid var(--acid);border-radius:4px 16px 16px 4px}.bk-why[data-astro-cid-pco5ef5l] figcaption[data-astro-cid-pco5ef5l]{color:var(--acid);letter-spacing:.14em}.bk-why[data-astro-cid-pco5ef5l] p[data-astro-cid-pco5ef5l]{font-family:var(--body);font-size:18px;line-height:1.6;color:var(--text);margin-top:10px;text-wrap:pretty}.bk-insights[data-astro-cid-pco5ef5l]{list-style:none;counter-reset:bk-insight;margin-top:30px;max-width:74ch}.bk-insights[data-astro-cid-pco5ef5l] li[data-astro-cid-pco5ef5l]{counter-increment:bk-insight;position:relative;padding:22px 0 22px 46px;border-top:1px solid var(--line);font-family:var(--body);font-size:17px;line-height:1.65;color:var(--text);text-wrap:pretty}.bk-insights[data-astro-cid-pco5ef5l] li[data-astro-cid-pco5ef5l]:before{content:counter(bk-insight);position:absolute;left:0;top:24px;font-family:var(--mono);font-size:12px;font-weight:600;color:var(--acid)}.bk-held[data-astro-cid-pco5ef5l]{font-family:var(--body);font-size:15.5px;color:var(--text2);margin-top:20px}.bk-audio[data-astro-cid-pco5ef5l]{width:100%;max-width:520px;margin-top:26px}.bk-chapters[data-astro-cid-pco5ef5l]{counter-reset:bk-chapter;list-style:none;margin-top:28px;max-width:74ch;display:grid;gap:2px}.bk-chapters[data-astro-cid-pco5ef5l] li[data-astro-cid-pco5ef5l]{counter-increment:bk-chapter;display:grid;grid-template-columns:34px minmax(0,1fr);gap:8px;padding:13px 0;border-bottom:1px solid var(--line);font-family:var(--display);font-weight:500;font-size:16.5px;line-height:1.4;color:var(--text)}.bk-chapters[data-astro-cid-pco5ef5l] li[data-astro-cid-pco5ef5l]:before{content:counter(bk-chapter,decimal-leading-zero);font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--text3);padding-top:3px}.bk-related[data-astro-cid-pco5ef5l]{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:28px;list-style:none}.bk-related[data-astro-cid-pco5ef5l] a[data-astro-cid-pco5ef5l]{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;height:100%;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surf);transition:border-color .2s,background .2s}.bk-related[data-astro-cid-pco5ef5l] a[data-astro-cid-pco5ef5l]:hover{border-color:var(--line2);background:var(--surf2)}.bk-related[data-astro-cid-pco5ef5l] img[data-astro-cid-pco5ef5l]{width:64px;height:auto;aspect-ratio:2 / 3;border-radius:6px;border:1px solid var(--line)}.bk-rel-text[data-astro-cid-pco5ef5l]{display:flex;flex-direction:column;gap:4px}.bk-rel-text[data-astro-cid-pco5ef5l] b[data-astro-cid-pco5ef5l]{font-family:var(--display);font-weight:600;font-size:16px;line-height:1.25;color:var(--text)}.bk-rel-by[data-astro-cid-pco5ef5l]{font-family:var(--body);font-size:13.5px;color:var(--text2)}.bk-rel-note[data-astro-cid-pco5ef5l]{font-family:var(--body);font-size:14px;line-height:1.5;color:var(--text2);margin-top:3px;text-wrap:pretty}.bk-back[data-astro-cid-pco5ef5l]{margin-top:24px}@media(max-width:700px){.bk-head[data-astro-cid-pco5ef5l]{grid-template-columns:120px minmax(0,1fr);gap:20px}.bk-cover[data-astro-cid-pco5ef5l]{width:120px}.bk-why[data-astro-cid-pco5ef5l]{padding:18px}}