.about-hero[data-astro-cid-6yhr33u2]{background:linear-gradient(180deg,#f5f9f7,#eef7f3);padding:100px 0 80px;border-bottom:1px solid var(--line)}.about-hero-inner[data-astro-cid-6yhr33u2]{text-align:center;max-width:780px;margin:0 auto}.about-hero[data-astro-cid-6yhr33u2] .eyebrow[data-astro-cid-6yhr33u2]{display:inline-block;color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:.15em;margin-bottom:16px;font-family:Space Grotesk,sans-serif;font-size:12px}.about-hero[data-astro-cid-6yhr33u2] h1[data-astro-cid-6yhr33u2]{margin-bottom:24px;font-size:clamp(32px,5vw,50px)}.about-hero[data-astro-cid-6yhr33u2] .lead[data-astro-cid-6yhr33u2]{font-size:16px;color:var(--text);line-height:1.9;max-width:640px;margin:0 auto}.toc-section[data-astro-cid-6yhr33u2]{padding:40px 0 20px}.toc[data-astro-cid-6yhr33u2]{max-width:780px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 32px;box-shadow:var(--shadow-sm)}.toc-label[data-astro-cid-6yhr33u2]{display:block;font-family:Space Grotesk,sans-serif;font-size:12px;letter-spacing:.15em;color:var(--accent);font-weight:600;text-transform:uppercase;margin-bottom:12px}.toc[data-astro-cid-6yhr33u2] ol[data-astro-cid-6yhr33u2]{list-style:none;padding:0;margin:0;counter-reset:toc-counter;display:grid;grid-template-columns:1fr 1fr;grid-auto-flow:column;grid-template-rows:repeat(5,auto);gap:8px 32px}.toc[data-astro-cid-6yhr33u2] ol[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2]{counter-increment:toc-counter}.toc[data-astro-cid-6yhr33u2] ol[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2] a[data-astro-cid-6yhr33u2]{display:block;padding:8px 0;font-size:14px;color:var(--text);border-bottom:1px solid transparent;transition:.2s}.toc[data-astro-cid-6yhr33u2] ol[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2] a[data-astro-cid-6yhr33u2]:before{content:counter(toc-counter,decimal-leading-zero);font-family:Space Grotesk,sans-serif;color:var(--accent);margin-right:10px;font-weight:600;font-size:12px}.toc[data-astro-cid-6yhr33u2] ol[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2] a[data-astro-cid-6yhr33u2]:hover{color:var(--sea);border-bottom-color:var(--sea)}.about-article[data-astro-cid-6yhr33u2]{padding:60px 0 100px}.about-article[data-astro-cid-6yhr33u2] .container[data-astro-cid-6yhr33u2]{max-width:820px}.article-section[data-astro-cid-6yhr33u2]{margin-bottom:72px;scroll-margin-top:100px}.article-section[data-astro-cid-6yhr33u2]:last-child{margin-bottom:0}.section-num[data-astro-cid-6yhr33u2]{display:inline-block;font-family:Space Grotesk,sans-serif;font-size:14px;letter-spacing:.15em;color:var(--accent);font-weight:700;margin-bottom:8px}.article-section[data-astro-cid-6yhr33u2] h2[data-astro-cid-6yhr33u2]{font-size:clamp(26px,3.5vw,34px);margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--mint)}.article-section[data-astro-cid-6yhr33u2] p[data-astro-cid-6yhr33u2]{margin-bottom:20px;font-size:15px;line-height:2;color:var(--text)}.article-section[data-astro-cid-6yhr33u2] strong[data-astro-cid-6yhr33u2]{color:var(--ink);font-weight:700}.callout[data-astro-cid-6yhr33u2]{background:var(--mint);border-left:4px solid var(--sea);padding:20px 24px;border-radius:12px;margin:24px 0}.callout[data-astro-cid-6yhr33u2] p[data-astro-cid-6yhr33u2]{margin:0;font-size:14px;color:var(--ink)}.hero-figure[data-astro-cid-6yhr33u2]{margin:32px auto 0;max-width:720px}.hero-figure[data-astro-cid-6yhr33u2] img[data-astro-cid-6yhr33u2]{display:block;width:100%;height:auto;border-radius:16px;box-shadow:0 10px 30px #0520181f;border:1px solid var(--line)}.era-cards[data-astro-cid-6yhr33u2]{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0 24px}.era-card[data-astro-cid-6yhr33u2]{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px 18px;box-shadow:0 2px 8px #0520180d;display:flex;flex-direction:column}.era-card[data-astro-cid-6yhr33u2] h3[data-astro-cid-6yhr33u2]{margin:10px 0;font-size:17px;font-family:CraftMincho,serif;line-height:1.5}.era-card[data-astro-cid-6yhr33u2] h3[data-astro-cid-6yhr33u2] small[data-astro-cid-6yhr33u2]{display:block;font-size:12px;color:var(--text-light);font-weight:400;margin-top:2px;font-family:Space Grotesk,Noto Sans JP,sans-serif}.era-card[data-astro-cid-6yhr33u2] p[data-astro-cid-6yhr33u2]{font-size:14px;line-height:1.9;margin-bottom:10px;color:var(--text)}.era-tag[data-astro-cid-6yhr33u2]{display:inline-block;align-self:flex-start;font-family:Space Grotesk,sans-serif;font-size:11px;font-weight:700;letter-spacing:.12em;color:#fff;background:var(--accent);padding:4px 10px;border-radius:100px}.era-card-current[data-astro-cid-6yhr33u2]{background:linear-gradient(180deg,#fff,#f7fbf8);border-color:var(--sea);box-shadow:0 4px 16px #23604c1a}.era-card-current[data-astro-cid-6yhr33u2] .era-tag[data-astro-cid-6yhr33u2]{background:var(--sea)}.era-source[data-astro-cid-6yhr33u2]{margin-top:auto;font-size:11.5px;color:var(--text-light);line-height:1.6}.era-source[data-astro-cid-6yhr33u2] a[data-astro-cid-6yhr33u2]{color:var(--sea);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}.era-note[data-astro-cid-6yhr33u2]{display:block;margin-top:8px;font-size:12px;color:var(--text-light);font-style:italic}.feature-cards[data-astro-cid-6yhr33u2]{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:28px 0 18px}.feature-card[data-astro-cid-6yhr33u2]{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 22px 18px;box-shadow:0 2px 8px #0520180d;display:flex;flex-direction:column}.feature-card[data-astro-cid-6yhr33u2] h3[data-astro-cid-6yhr33u2]{margin:4px 0 10px;font-size:17px;font-family:CraftMincho,serif;line-height:1.5}.feature-card[data-astro-cid-6yhr33u2] p[data-astro-cid-6yhr33u2]{font-size:14px;line-height:1.9;margin-bottom:10px;color:var(--text)}.fc-icon[data-astro-cid-6yhr33u2]{width:56px;height:56px;border-radius:14px;background:#f6f2e6;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:10px;overflow:hidden}.fc-icon[data-astro-cid-6yhr33u2] img[data-astro-cid-6yhr33u2]{width:100%;height:100%;object-fit:cover;image-rendering:pixelated}.fc-icon-memory[data-astro-cid-6yhr33u2]{background:#fff2d9}.fc-icon-skill[data-astro-cid-6yhr33u2]{background:#e8f1dd}.fc-tag[data-astro-cid-6yhr33u2]{display:inline-block;align-self:flex-start;font-family:Space Grotesk,sans-serif;font-size:10.5px;font-weight:700;letter-spacing:.12em;color:var(--sea);background:#eaf4ef;padding:3px 9px;border-radius:100px;margin-bottom:6px}.fc-source[data-astro-cid-6yhr33u2]{margin-top:auto;font-size:11.5px;color:var(--text-light);line-height:1.6}.fc-source[data-astro-cid-6yhr33u2] a[data-astro-cid-6yhr33u2]{color:var(--sea);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}.beta-note[data-astro-cid-6yhr33u2]{display:inline-block;font-size:11.5px;color:var(--text-light);margin-top:4px}@media(max-width:860px){.era-cards[data-astro-cid-6yhr33u2],.feature-cards[data-astro-cid-6yhr33u2]{grid-template-columns:1fr}}.harness-figure[data-astro-cid-6yhr33u2]{margin:28px 0 8px;padding:18px 20px 14px;background:#fdf8ed;border:1px solid var(--line);border-radius:14px;text-align:center}.harness-figure[data-astro-cid-6yhr33u2] img[data-astro-cid-6yhr33u2]{display:block;width:100%;max-width:860px;height:auto;margin:0 auto}.harness-figure[data-astro-cid-6yhr33u2] figcaption[data-astro-cid-6yhr33u2]{margin-top:10px;font-size:12px;color:var(--text-light);line-height:1.7}.flow-examples[data-astro-cid-6yhr33u2]{margin:36px 0 8px;display:flex;flex-direction:column;gap:20px}.flow-examples-head[data-astro-cid-6yhr33u2] h3[data-astro-cid-6yhr33u2]{margin:0 0 6px;font-size:18px;font-family:CraftMincho,serif}.flow-examples-head[data-astro-cid-6yhr33u2] p[data-astro-cid-6yhr33u2]{color:var(--text-light);font-size:13px;line-height:1.8;margin:0}.flow-case[data-astro-cid-6yhr33u2]{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px 18px;box-shadow:0 2px 8px #0520180d}.flow-case-label[data-astro-cid-6yhr33u2]{display:flex;align-items:center;gap:10px;margin-bottom:8px}.flow-tag[data-astro-cid-6yhr33u2]{display:inline-block;font-family:Space Grotesk,sans-serif;font-size:10px;font-weight:700;letter-spacing:.12em;color:var(--accent);background:#fff7e6;border:1px solid #f2e0b8;padding:3px 9px;border-radius:100px}.flow-case-label[data-astro-cid-6yhr33u2] h4[data-astro-cid-6yhr33u2]{margin:0;font-size:16px;font-family:CraftMincho,serif}.flow-desc[data-astro-cid-6yhr33u2]{margin:0 0 14px;color:var(--text-light)}.flow-chain[data-astro-cid-6yhr33u2]{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 10px;background:#faf7f0;border-radius:10px;margin-bottom:10px}.flow-node[data-astro-cid-6yhr33u2]{display:flex;flex-direction:column;gap:2px;padding:8px 12px;background:#fff;border:1px solid var(--line);border-radius:10px;min-width:96px;text-align:center;box-shadow:0 1px 3px #05201814}.flow-node-role[data-astro-cid-6yhr33u2]{font-size:9.5px;color:var(--text-light);font-family:Space Grotesk,Noto Sans JP,sans-serif;letter-spacing:.05em}.flow-node-name[data-astro-cid-6yhr33u2]{font-size:14px;font-weight:700;font-family:CraftMincho,serif;color:var(--ink);line-height:1.2}.flow-node-human[data-astro-cid-6yhr33u2]{border-color:var(--sea);background:linear-gradient(135deg,#fff,#f0f7f3)}.flow-node-human[data-astro-cid-6yhr33u2] .flow-node-role[data-astro-cid-6yhr33u2]{color:var(--sea)}.flow-node-cos[data-astro-cid-6yhr33u2]{border-color:var(--accent);border-style:dashed;background:#fff9ee}.flow-node-cos[data-astro-cid-6yhr33u2] .flow-node-role[data-astro-cid-6yhr33u2]{color:var(--accent)}.flow-node-lead[data-astro-cid-6yhr33u2]{border-color:#d98e58;background:#fff4eb}.flow-node-lead[data-astro-cid-6yhr33u2] .flow-node-role[data-astro-cid-6yhr33u2]{color:#c26a3a}.flow-node-review[data-astro-cid-6yhr33u2]{border-color:#7a8f5e;background:#f2f6ea}.flow-node-review[data-astro-cid-6yhr33u2] .flow-node-role[data-astro-cid-6yhr33u2]{color:#5d7543}.flow-node-group[data-astro-cid-6yhr33u2]{display:flex;flex-wrap:wrap;gap:6px;padding:8px;background:#fff;border:1px dashed var(--line);border-radius:12px}.flow-node-group[data-astro-cid-6yhr33u2] .flow-node[data-astro-cid-6yhr33u2]{min-width:84px;padding:6px 10px;box-shadow:none}.flow-arrow[data-astro-cid-6yhr33u2]{font-size:18px;color:var(--accent);font-weight:700;padding:0 2px;line-height:1}.flow-note[data-astro-cid-6yhr33u2]{margin:0;color:var(--text-light);line-height:1.75}@media(max-width:640px){.flow-chain[data-astro-cid-6yhr33u2]{flex-direction:column;align-items:stretch}.flow-node[data-astro-cid-6yhr33u2],.flow-node-group[data-astro-cid-6yhr33u2]{width:100%;min-width:0}.flow-node-group[data-astro-cid-6yhr33u2]{flex-direction:column}.flow-arrow[data-astro-cid-6yhr33u2]{transform:rotate(90deg);align-self:center}}.design-cards[data-astro-cid-6yhr33u2]{display:grid;gap:16px;margin:24px 0}@media(min-width:720px){.design-cards[data-astro-cid-6yhr33u2]{grid-template-columns:repeat(3,1fr)}}.design-card[data-astro-cid-6yhr33u2]{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-sm)}.dc-num[data-astro-cid-6yhr33u2]{width:32px;height:32px;background:var(--sea);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:Space Grotesk,sans-serif;font-weight:700;margin-bottom:12px}.design-card[data-astro-cid-6yhr33u2] h3[data-astro-cid-6yhr33u2]{font-size:16px;margin:0 0 8px;color:var(--ink)}.design-card[data-astro-cid-6yhr33u2] p[data-astro-cid-6yhr33u2]{font-size:13px;line-height:1.8;color:var(--text-light);margin:0}.workflow-list[data-astro-cid-6yhr33u2]{list-style:none;padding:0;margin:24px 0;display:flex;flex-direction:column;gap:16px}.workflow-list[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2]{display:grid;grid-template-columns:48px 1fr;gap:20px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px}.wf-step[data-astro-cid-6yhr33u2]{width:40px;height:40px;background:var(--mint);color:var(--sea);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:Space Grotesk,sans-serif;font-weight:700;font-size:16px}.wf-body[data-astro-cid-6yhr33u2] h3[data-astro-cid-6yhr33u2]{margin:0 0 6px;font-size:16px}.wf-body[data-astro-cid-6yhr33u2] p[data-astro-cid-6yhr33u2]{margin:0;font-size:13px;line-height:1.8;color:var(--text-light)}.legal-points[data-astro-cid-6yhr33u2]{display:grid;gap:16px;margin:24px 0}@media(min-width:720px){.legal-points[data-astro-cid-6yhr33u2]{grid-template-columns:1fr 1fr}}.lp[data-astro-cid-6yhr33u2]{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px}.lp[data-astro-cid-6yhr33u2] h3[data-astro-cid-6yhr33u2]{font-size:14px;margin:0 0 12px;color:var(--sea)}.lp[data-astro-cid-6yhr33u2] ul[data-astro-cid-6yhr33u2]{margin:0;padding-left:20px}.lp[data-astro-cid-6yhr33u2] ul[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2]{font-size:13px;line-height:1.9;color:var(--text);margin-bottom:6px}.note[data-astro-cid-6yhr33u2]{background:#fff9e6;border:1px solid #f0d994;border-radius:12px;padding:16px 20px;font-size:13px;line-height:1.8;color:var(--text)}.split-table[data-astro-cid-6yhr33u2]{display:grid;gap:16px;margin:24px 0}@media(min-width:720px){.split-table[data-astro-cid-6yhr33u2]{grid-template-columns:1fr 1fr}}.split-col[data-astro-cid-6yhr33u2]{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px}.split-ai[data-astro-cid-6yhr33u2]{border-top:4px solid var(--sea)}.split-human[data-astro-cid-6yhr33u2]{border-top:4px solid var(--accent)}.split-head[data-astro-cid-6yhr33u2]{font-family:CraftMincho,serif;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line)}.split-col[data-astro-cid-6yhr33u2] ul[data-astro-cid-6yhr33u2]{margin:0;padding-left:20px}.split-col[data-astro-cid-6yhr33u2] ul[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2]{font-size:13px;line-height:1.9;margin-bottom:6px;color:var(--text)}.security-list[data-astro-cid-6yhr33u2]{list-style:none;padding:0;margin:24px 0;display:flex;flex-direction:column;gap:12px}.security-list[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2]{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;font-size:14px;line-height:1.8;color:var(--text)}.about-cta[data-astro-cid-6yhr33u2]{padding:80px 0}.about-cta[data-astro-cid-6yhr33u2] .section-head[data-astro-cid-6yhr33u2]{margin-bottom:32px}.cta-actions[data-astro-cid-6yhr33u2]{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}@media(max-width:768px){.about-hero[data-astro-cid-6yhr33u2]{padding:60px 16px 40px}.toc-section[data-astro-cid-6yhr33u2],.about-article[data-astro-cid-6yhr33u2],.about-cta[data-astro-cid-6yhr33u2]{padding-left:16px;padding-right:16px}.toc[data-astro-cid-6yhr33u2] ol[data-astro-cid-6yhr33u2]{grid-template-columns:1fr;grid-auto-flow:row;grid-template-rows:none;gap:4px}.workflow-list[data-astro-cid-6yhr33u2] li[data-astro-cid-6yhr33u2]{grid-template-columns:1fr;gap:10px}.about-article[data-astro-cid-6yhr33u2]{padding:40px 0 60px}.article-section[data-astro-cid-6yhr33u2]{margin-bottom:56px}}