/* ────────────────────────────────────────────────────────────── 配色。2026-10-19 トップページ v3 の刷新にあわせ、既定をライトに戻した（利用者の指定）。 色はトップ v3 のトークン（Nocturne を明るい地に振ったもの）に揃える。 既定（属性なし）と data-theme="light" がライト、data-theme="dark" がダーク。 ────────────────────────────────────────────────────────────── */ :root,:root[data-theme="light"]{--bg:#edf0ff;--panel:#f9faff;--ink:#292b31;--muted:#595d6c;--faint:#75798c;--line:#cfd3e5;--line-strong:#b2b6ca;--accent:#6a5af9;--accent-text:#3528b8;--link:#4a3ce6;--accent-solid:#3528b8;--on-accent:#ffffff;--tag-bg:#cfd3e5;--tag-ink:#292b31;--tag-accent-bg:#ece9ff;--tag-accent-ink:#3528b8;--ok:#2f7d5f;--ok-bg:#e2efe9;--ng:#a8324a;--ng-bg:#f6e4e8;--band:#f9faff;--shadow-sm:0 0 0 1px #cfd3e5;--shadow-md:0 0 0 1px #cfd3e5,0 10px 30px rgba(41,43,49,.08);--shadow-lg:0 0 0 1px #cfd3e5,0 24px 60px 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20px;gap:14px}.examtag{font-size:0.9375rem;padding-left:10px}.lockup{gap:9px}.navlinks{order:3;width:100%;gap:16px}.home section{padding-left:20px;padding-right:20px}.hero{padding-top:56px;padding-bottom:48px}.search-row{flex-direction:column}.search-row .btn{width:100%}.suggest{top:114px}.chips{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;margin-inline:-20px;padding-inline:20px;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}.statband div{padding:20px}.statband div:first-child,.statband div:nth-child(3){padding-left:20px}.statband b{font-size:1.75rem}.stat{gap:11px}.stat-ic{width:24px;height:24px}.cards3{grid-template-columns:1fr}.sec-head h2,.exams .head h2{font-size:1.5rem}section.why{padding-top:44px;padding-bottom:44px}.table th:first-child,.table .qn{font-size:0.75rem}.table td a{padding:13px 6px}.stem{font-size:1rem}.wrap{padding:16px 12px 64px}}