:root{--chuo-color-navy:#0f1c2e;--chuo-color-navy-deep:#0a1420;--chuo-color-cream:#f3efe6;--chuo-color-cream-soft:#e8e2d4;--chuo-color-ink:#152033;--chuo-color-muted:#5a6578;--chuo-color-accent:#b08d57;--chuo-color-accent-deep:#8a6c3f;--chuo-color-surface:#faf8f3;--chuo-color-surface-raised:#fff;--chuo-color-line:#d4cec0;--chuo-color-line-soft:#e6e0d2;--chuo-color-danger:#9b3b3b;--chuo-color-danger-hover:#7a2e2e;--chuo-color-danger-line:#d9b4b4;--chuo-color-focus:#b08d5747;--chuo-color-chrome:#0a1420;--chuo-color-chrome-ink:#f3efe6;--navy:var(--chuo-color-navy);--navy-deep:var(--chuo-color-navy-deep);--cream:var(--chuo-color-cream);--cream-soft:var(--chuo-color-cream-soft);--ink:var(--chuo-color-ink);--ink-muted:var(--chuo-color-muted);--accent:var(--chuo-color-accent);--accent-deep:var(--chuo-color-accent-deep);--surface:var(--chuo-color-surface);--line:var(--chuo-color-line);--danger:var(--chuo-color-danger);--danger-line:var(--chuo-color-danger-line);--chuo-font-serif:var(--font-source-serif), "Source Serif 4", Georgia, serif;--chuo-font-sans:var(--font-ibm-plex), "IBM Plex Sans", system-ui, sans-serif;--font-serif:var(--chuo-font-serif);--font-sans:var(--chuo-font-sans);--chuo-radius:2px;--chuo-radius-lg:6px;--radius:var(--chuo-radius);--chuo-shadow:0 1px 0 #0f1c2e0a;--chuo-shadow-raised:0 10px 32px #0a14201f;--chuo-space-1:4px;--chuo-space-2:8px;--chuo-space-3:16px;--chuo-space-4:24px;--chuo-space-5:40px;--chuo-sidebar-width:15rem;--chuo-sidebar-collapsed:4.25rem;--chuo-max-content:72rem;--chuo-gutter:clamp(1rem, 2.5vw, 1.75rem)}
.chuo-page{padding:var(--chuo-space-4) var(--chuo-gutter) var(--chuo-space-5);max-width:var(--chuo-max-content);color:var(--chuo-color-ink);margin:0 auto}.chuo-stack{gap:var(--chuo-space-3);flex-direction:column;display:flex}.chuo-stack-sm{gap:var(--chuo-space-2);flex-direction:column;display:flex}.chuo-row{align-items:center;gap:var(--chuo-space-2);flex-wrap:wrap;display:flex}.chuo-toolbar{justify-content:space-between;align-items:center;gap:var(--chuo-space-3);margin-bottom:var(--chuo-space-3);flex-wrap:wrap;display:flex}.chuo-muted{color:var(--chuo-color-muted);font-size:.875rem}.chuo-field{flex-direction:column;gap:.35rem;min-width:0;display:flex}.chuo-label{color:var(--chuo-color-ink);font-size:.8125rem;font-weight:550}.chuo-input,.chuo-select,.chuo-textarea{border:1px solid var(--chuo-color-line);border-radius:var(--chuo-radius);background:var(--chuo-color-surface-raised);width:100%;min-width:0;color:var(--chuo-color-ink);font:inherit;outline:none;padding:.55rem .7rem;font-size:.9375rem;transition:border-color .15s,box-shadow .15s}.chuo-input:focus,.chuo-select:focus,.chuo-textarea:focus{border-color:var(--chuo-color-accent-deep);box-shadow:0 0 0 3px var(--chuo-color-focus)}.chuo-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235a6578' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-position:right .75rem center;background-repeat:no-repeat;padding-right:2rem}.chuo-tabs{margin-bottom:var(--chuo-space-4);border-bottom:1px solid var(--chuo-color-line-soft);flex-wrap:wrap;gap:.35rem;padding-bottom:.35rem;display:flex}.chuo-tab{color:var(--chuo-color-muted);font:inherit;border-radius:var(--chuo-radius);cursor:pointer;background:0 0;border:0;padding:.55rem .85rem;font-size:.875rem;font-weight:550;text-decoration:none;display:inline-block}.chuo-tab:hover{color:var(--chuo-color-ink);background:#0f1c2e0a}.chuo-tab[data-active=true],.chuo-tab[aria-current=page]{color:var(--chuo-color-navy);background:#b08d5729}.chuo-panel{background:var(--chuo-color-surface-raised);border:1px solid var(--chuo-color-line-soft);border-radius:var(--chuo-radius-lg);box-shadow:var(--chuo-shadow);padding:clamp(1rem,2.5vw,1.35rem)}.chuo-hint{margin-bottom:var(--chuo-space-3);border-radius:var(--chuo-radius);background:#b08d5726;border:1px solid #b08d5759;padding:.65rem .85rem;font-size:.9rem}.chuo-check-list{border:1px solid var(--chuo-color-line-soft);border-radius:var(--chuo-radius);background:var(--chuo-color-surface-raised);max-height:min(40vh,280px);padding:.65rem .75rem;overflow:auto}.chuo-check-list label{align-items:flex-start;gap:.5rem;padding:.35rem 0;font-size:.8125rem;line-height:1.35;display:flex}.chuo-form-grid{gap:var(--chuo-space-2);max-width:28rem;display:grid}.chuo-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}
*,:before,:after{box-sizing:border-box}html,body{min-height:100%;margin:0;padding:0}body{font-family:var(--chuo-font-sans);color:var(--chuo-color-ink);background:radial-gradient(ellipse 80% 50% at 10% 0%, #b08d571f, transparent 55%), linear-gradient(165deg, var(--chuo-color-navy-deep) 0%, var(--chuo-color-navy) 42%, #1a2d45 100%);-webkit-font-smoothing:antialiased;background-attachment:fixed;line-height:1.5}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}h1,h2,.brand{font-family:var(--chuo-font-serif);letter-spacing:-.01em;font-weight:600}