.reversi-guide-hero[data-astro-cid-nbstf7ba]{background:radial-gradient(circle at 86% 22%,rgba(255,216,77,.38),transparent 18%),linear-gradient(145deg,var(--green-50),#fffdf5)}.reversi-guide-body[data-astro-cid-nbstf7ba]{padding-top:28px}.guide-toc[data-astro-cid-nbstf7ba]{margin-block:0 32px;padding:22px 24px;border-left:5px solid var(--green-600);border-radius:0 var(--radius-md) var(--radius-md) 0;background:var(--green-50)}.guide-toc[data-astro-cid-nbstf7ba] p[data-astro-cid-nbstf7ba]{margin-bottom:9px;color:var(--green-950);font-weight:800}.guide-toc[data-astro-cid-nbstf7ba] ol[data-astro-cid-nbstf7ba]{display:grid;margin:0;padding-left:1.3em;gap:5px;color:var(--green-700);font-size:.88rem;font-weight:700}.guide-toc[data-astro-cid-nbstf7ba] a[data-astro-cid-nbstf7ba]{text-decoration:underline;text-decoration-color:#0f6b4540;text-underline-offset:3px}.reversi-guide-lessons[data-astro-cid-nbstf7ba]{display:grid;margin-top:18px;gap:22px}.guide-lesson[data-astro-cid-nbstf7ba]{padding:clamp(22px,5vw,34px);scroll-margin-top:90px}.guide-lesson__heading[data-astro-cid-nbstf7ba]{margin-bottom:15px}.guide-lesson__heading[data-astro-cid-nbstf7ba]>span[data-astro-cid-nbstf7ba]{display:block;margin-bottom:5px;color:var(--green-600);font-size:.7rem;font-weight:800;letter-spacing:.16em}.guide-lesson__heading[data-astro-cid-nbstf7ba] h2[data-astro-cid-nbstf7ba]{margin-bottom:0}.guide-lesson[data-astro-cid-nbstf7ba]>.reversi-guide-board{margin-top:25px}.guide-board-note[data-astro-cid-nbstf7ba]{margin:20px 0 -8px;color:var(--muted);font-size:.78rem}.guide-board-compare[data-astro-cid-nbstf7ba]{display:grid;margin-top:26px;gap:28px}.guide-finding[data-astro-cid-nbstf7ba]{margin-top:25px;padding:18px 19px;border-radius:14px;background:var(--green-50)}.guide-finding[data-astro-cid-nbstf7ba] strong[data-astro-cid-nbstf7ba]{display:block;margin-bottom:5px;color:var(--green-950)}.guide-finding[data-astro-cid-nbstf7ba] p[data-astro-cid-nbstf7ba]{margin:0;color:var(--muted);font-size:.88rem}.guide-comparison-summary[data-astro-cid-nbstf7ba]{display:grid;margin-top:22px;gap:10px}.guide-comparison-summary[data-astro-cid-nbstf7ba] div[data-astro-cid-nbstf7ba]{display:grid;padding:15px 17px;border:1px solid var(--line);border-radius:13px;background:var(--green-50);grid-template-columns:62px 1fr;gap:2px 12px}.guide-comparison-summary[data-astro-cid-nbstf7ba] span[data-astro-cid-nbstf7ba]{grid-row:1 / 3;align-self:center;color:var(--green-700);font-weight:800}.guide-comparison-summary[data-astro-cid-nbstf7ba] strong[data-astro-cid-nbstf7ba]{color:var(--green-950)}.guide-comparison-summary[data-astro-cid-nbstf7ba] em[data-astro-cid-nbstf7ba]{color:var(--muted);font-size:.8rem;font-style:normal}.guide-answer[data-astro-cid-nbstf7ba]{margin-top:25px;border:1px solid var(--line);border-radius:14px;overflow:hidden}.guide-answer[data-astro-cid-nbstf7ba] summary[data-astro-cid-nbstf7ba]{position:relative;padding:17px 48px 17px 18px;background:var(--green-50);color:var(--green-950);cursor:pointer;font-weight:800;list-style:none}.guide-answer[data-astro-cid-nbstf7ba] summary[data-astro-cid-nbstf7ba]::-webkit-details-marker{display:none}.guide-answer[data-astro-cid-nbstf7ba] summary[data-astro-cid-nbstf7ba]:after{position:absolute;top:50%;right:18px;content:"＋";transform:translateY(-50%)}.guide-answer[data-astro-cid-nbstf7ba][open] summary[data-astro-cid-nbstf7ba]:after{content:"−"}.guide-answer[data-astro-cid-nbstf7ba]>div[data-astro-cid-nbstf7ba]{padding:19px}.guide-answer[data-astro-cid-nbstf7ba] ol[data-astro-cid-nbstf7ba]{padding-left:1.25em}.guide-practice-grid[data-astro-cid-nbstf7ba]{display:grid;margin-block:22px;gap:12px}.guide-practice-grid[data-astro-cid-nbstf7ba] article[data-astro-cid-nbstf7ba]{padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--green-50)}.guide-practice-grid[data-astro-cid-nbstf7ba] span[data-astro-cid-nbstf7ba]{display:inline-block;margin-bottom:7px;padding:3px 9px;border-radius:99px;background:var(--green-700);color:#fff;font-size:.7rem;font-weight:800}.guide-practice-grid[data-astro-cid-nbstf7ba] h3[data-astro-cid-nbstf7ba]{margin-bottom:5px;color:var(--green-950);font-size:1rem}.guide-practice-grid[data-astro-cid-nbstf7ba] p[data-astro-cid-nbstf7ba]{margin:0;color:var(--muted);font-size:.82rem}.guide-checklist[data-astro-cid-nbstf7ba] ol[data-astro-cid-nbstf7ba]{counter-reset:guide-check;padding-left:0;list-style:none}.guide-checklist[data-astro-cid-nbstf7ba] li[data-astro-cid-nbstf7ba]{position:relative;padding-left:36px;counter-increment:guide-check}.guide-checklist[data-astro-cid-nbstf7ba] li[data-astro-cid-nbstf7ba]:before{display:grid;position:absolute;top:0;left:0;width:25px;height:25px;border-radius:50%;background:var(--yellow);color:#4b3500;content:counter(guide-check);font-size:.72rem;font-weight:800;place-items:center}@media(min-width:620px){.guide-board-compare[data-astro-cid-nbstf7ba],.guide-comparison-summary[data-astro-cid-nbstf7ba],.guide-practice-grid[data-astro-cid-nbstf7ba]{grid-template-columns:1fr 1fr}}@media(max-width:420px){.guide-toc[data-astro-cid-nbstf7ba],.guide-lesson[data-astro-cid-nbstf7ba]{border-radius:14px}.guide-toc[data-astro-cid-nbstf7ba]{padding:19px}}