:root{--color-bg:#f3f1ec;--color-surface:#fff;--color-text:#2b2d33;--color-ink:#15171c;--color-text-muted:#595d66;--color-primary:#8fb8de;--color-primary-dark:#6e9cc6;--color-primary-contrast:var(--color-ink);--color-secondary:#2f4a7a;--color-link:#2f4a7a;--color-border:#dcd8cf;--color-pr-bg:#fff4d6;--color-pr-border:#d9b95a;--color-pr-text:var(--color-text);--color-success-bg:#eaf1f8;--color-success-border:#a9c3dd;--color-spec-best:#2e6b4f;--color-spec-worst:#a3402f;--radius-sm:4px;--radius-md:8px;--radius-pill:999px;--shadow-sm:0 1px 0 #2b2d330f;--shadow-md:0 6px 18px #2b2d331a;--font-display:"Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;--space-1:.5rem;--space-2:1rem;--space-3:1.5rem;--space-4:2.5rem;--max-width:880px}h1,h2{font-family:var(--font-display)}*{box-sizing:border-box}html{color-scheme:light}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;margin:0;font-family:Hiragino Sans,Yu Gothic,system-ui,sans-serif;line-height:1.8}img{max-width:100%}a{color:var(--color-link)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--color-secondary);outline-offset:2px}.page-header{z-index:10;background:var(--color-surface);box-shadow:var(--shadow-sm);position:sticky;top:0}.page-header .header-inner{max-width:var(--max-width);padding:var(--space-2) var(--space-2);justify-content:space-between;align-items:center;gap:var(--space-2);margin:0 auto;display:flex}.brand-logo{color:var(--color-text);font-size:1.15rem;font-weight:700;text-decoration:none}.main-nav{gap:var(--space-1);flex-wrap:wrap;display:flex}.main-nav a{color:var(--color-text-muted);border-radius:var(--radius-pill);padding:.5rem .9rem;font-size:.95rem;text-decoration:none;transition:background-color .15s,color .15s}.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--color-text);background:var(--color-bg)}main{max-width:var(--max-width);padding:var(--space-3) var(--space-2) var(--space-4);margin:0 auto}.page-footer{margin-top:var(--space-4)}.page-footer .footer-inner{max-width:var(--max-width);padding:var(--space-3) var(--space-2);gap:var(--space-2);color:var(--color-text-muted);flex-wrap:wrap;justify-content:space-between;margin:0 auto;font-size:.85rem;display:flex}.page-footer a{color:var(--color-text-muted)}.card{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.pr-badge{background:var(--color-pr-bg);color:var(--color-pr-text);border-radius:var(--radius-pill);padding:var(--space-1) var(--space-2);margin-bottom:var(--space-3);border:none;font-size:.9rem;font-weight:600;display:block}.table-wrap{border-radius:var(--radius-sm);margin:var(--space-2) 0;box-shadow:var(--shadow-sm);-webkit-overflow-scrolling:touch;overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--color-border);text-align:left;overflow-wrap:break-word;word-break:break-word;padding:.7rem .9rem}th{background:var(--color-bg);font-weight:600}tr:last-child td{border-bottom:none}.btn{border-radius:var(--radius-pill);cursor:pointer;border:1px solid #0000;align-items:center;gap:.4rem;padding:.7rem 1.4rem;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--color-primary);color:var(--color-primary-contrast)}.btn-primary:hover{background:var(--color-primary-dark)}.btn-primary:disabled{background:var(--color-border);color:var(--color-text-muted);cursor:not-allowed}.btn-outline{border-color:var(--color-border);color:var(--color-text);background:0 0}.field{margin-bottom:var(--space-2);flex-direction:column;gap:.3rem;display:flex}.field label{color:var(--color-text-muted);font-size:.85rem}.field input{border:1px solid var(--color-border);border-radius:var(--radius-pill);width:100%;padding:.65rem .9rem;font-size:1rem}.skip-link{z-index:100;background:var(--color-primary);color:var(--color-primary-contrast);padding:.65rem 1rem;font-weight:600;text-decoration:none;position:absolute;top:0;left:-9999px}.skip-link:focus{left:0}@media (width<=480px){.header-inner{flex-direction:column;align-items:flex-start;gap:.5rem}}