.lang-toggle[data-astro-cid-bvxdwma5]{display:inline-block;padding:.25rem .75rem;border:1px solid var(--ink);border-radius:var(--radius-sm);text-decoration:none;font-size:.85rem;white-space:nowrap}.sidebar[data-astro-cid-ssfzsv2f]{padding:2rem 1rem;display:grid;grid-template-rows:auto 1fr;gap:2rem;background:var(--paper);text-align:center}.brand[data-astro-cid-ssfzsv2f]{display:block}.brand[data-astro-cid-ssfzsv2f] img[data-astro-cid-ssfzsv2f]{display:block;margin:0 auto;width:100%;max-width:130px;height:auto}nav[data-astro-cid-ssfzsv2f]{align-self:start}ul[data-astro-cid-ssfzsv2f]{list-style:none;margin:0;padding:0;display:grid;gap:calc(var(--menu-fs, 17px) * 1.2);text-align:center}ul[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f]{--menu-fs: 17px;display:block;text-decoration:none;color:#9d9d9c;font-family:futura-pt,Futura,Avenir Next,system-ui,sans-serif;font-weight:300;font-size:var(--menu-fs);letter-spacing:.1em;line-height:1.2;text-transform:uppercase;transition:color var(--duration-fast)}ul[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f].active{font-weight:800}ul[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f]:hover{color:var(--metro-red)}.lang-row[data-astro-cid-ssfzsv2f]{margin-top:calc(var(--menu-fs, 17px) * 1.8);display:flex;justify-content:center}@media (max-width: 768px){.sidebar[data-astro-cid-ssfzsv2f]{position:fixed;top:46px;right:0;bottom:0;width:min(80vw,300px);z-index:50;display:flex;flex-direction:column;align-items:center;gap:1.75rem;padding:2rem 1.25rem 2.5rem;grid-template-rows:none;overflow-y:auto;box-shadow:-10px 0 30px #00000024;transform:translate(100%);visibility:hidden;transition:transform .22s ease,visibility 0s linear .22s}body.nav-open .sidebar[data-astro-cid-ssfzsv2f]{transform:translate(0);visibility:visible;transition:transform .22s ease,visibility 0s}.brand[data-astro-cid-ssfzsv2f] img[data-astro-cid-ssfzsv2f]{max-width:130px}nav[data-astro-cid-ssfzsv2f]{width:100%}ul[data-astro-cid-ssfzsv2f]{display:flex;flex-direction:column;align-items:center;gap:1.2rem}ul[data-astro-cid-ssfzsv2f] a[data-astro-cid-ssfzsv2f]{--menu-fs: 1.05rem;line-height:1.2}.lang-row[data-astro-cid-ssfzsv2f]{display:none}}:root{--ink: #1d1d1b;--paper: #ffffff;--paper-warm: #f5f1de;--metro-red: #d84b4d;--metro-train-grey: #575756;--metro-blue: #5ba6dc;--tie-red: #b21e1f;--suit-grey: #4a4d52;--suit-grey-dark: #303338;--skin: #e8c9a5;--station-green: #1c7b39;--station-yellow: #f0c12d;--topband-grey: #6c7174;--font-display: "futura-pt", "Futura", "Avenir Next", "Helvetica Neue", system-ui, sans-serif;--font-body: "futura-pt", "Futura", "Avenir Next", "Helvetica Neue", system-ui, sans-serif;--font-jp: "Noto Sans JP", "Hiragino Kaku Gothic Pro", "Yu Gothic", sans-serif;--rail-thickness: 4px;--station-dot: 14px;--content-width: 1100px;--sidebar-width: 200px;--radius-sm: 4px;--radius-md: 10px;--duration-fast: .18s;--duration-medium: .42s;--duration-slow: .9s}@media (prefers-reduced-motion: reduce){:root{--duration-fast: 0ms;--duration-medium: 0ms;--duration-slow: 0ms}}*,*:before,*:after{box-sizing:border-box}html{scrollbar-gutter:stable}html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);font-family:var(--font-body)}img,svg{display:block;max-width:100%}a{color:inherit}.top-band[data-astro-cid-dmqsi53g]{background:var(--topband-grey);height:36px;width:100%;display:flex;align-items:center;justify-content:space-between}.top-right[data-astro-cid-dmqsi53g]{max-width:var(--content-width);width:100%;margin:0 auto;padding-right:1.25rem;display:flex;justify-content:flex-end;align-items:center;gap:.9rem}.top-icons[data-astro-cid-dmqsi53g]{display:flex;align-items:center;gap:.9rem}.top-icon[data-astro-cid-dmqsi53g]{height:20px;width:auto;display:block;opacity:.95}.top-lang[data-astro-cid-dmqsi53g],.nav-toggle[data-astro-cid-dmqsi53g]{display:none}.shell[data-astro-cid-dmqsi53g]{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);max-width:var(--content-width);margin:0 auto;min-height:calc(100vh - 116px)}main[data-astro-cid-dmqsi53g]{padding:2.5rem 2.5rem 4rem;min-width:0}.bottom-band[data-astro-cid-dmqsi53g]{background:var(--metro-blue);color:var(--paper);padding:1.25rem 2rem;text-align:center;font-family:var(--font-body);font-size:.8rem;letter-spacing:.06em}.bottom-band[data-astro-cid-dmqsi53g] p[data-astro-cid-dmqsi53g]{margin:0}.nav-scrim[data-astro-cid-dmqsi53g]{display:none}@media (max-width: 768px){.top-band[data-astro-cid-dmqsi53g]{height:46px;padding-left:1rem}.top-right[data-astro-cid-dmqsi53g]{padding-right:1rem}.top-icons[data-astro-cid-dmqsi53g]{display:none}.top-lang[data-astro-cid-dmqsi53g]{display:flex;align-items:center}.top-lang[data-astro-cid-dmqsi53g] .lang-toggle{border-color:var(--paper);color:var(--paper)}.nav-toggle[data-astro-cid-dmqsi53g]{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:30px;height:30px;padding:0;background:none;border:0;cursor:pointer}.nav-toggle[data-astro-cid-dmqsi53g] .bar[data-astro-cid-dmqsi53g]{display:block;width:22px;height:2px;background:var(--paper);margin:0 auto;transition:transform .18s ease,opacity .12s ease}body.nav-open .nav-toggle[data-astro-cid-dmqsi53g] .bar[data-astro-cid-dmqsi53g]:nth-child(1){transform:translateY(6px) rotate(45deg)}body.nav-open .nav-toggle[data-astro-cid-dmqsi53g] .bar[data-astro-cid-dmqsi53g]:nth-child(2){opacity:0}body.nav-open .nav-toggle[data-astro-cid-dmqsi53g] .bar[data-astro-cid-dmqsi53g]:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.shell[data-astro-cid-dmqsi53g]{display:block;max-width:100%;min-height:0}main[data-astro-cid-dmqsi53g]{padding:1.25rem 1.25rem 3rem}.nav-scrim[data-astro-cid-dmqsi53g]{display:block;position:fixed;inset:46px 0 0;background:#00000059;z-index:40}.nav-scrim[data-astro-cid-dmqsi53g][hidden]{display:none}}