:root{--font-en:Century, "Century Schoolbook", "Times New Roman", serif;--font-ja:"Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", "MS PMincho", serif;--ink:#1c2a38;--ink-soft:#3d4f5f;--paper:#f3f0e8;--paper-deep:#e7e1d4;--line:#c9c0b0;--accent:#1f6b5c;--accent-hover:#185648;--danger:#8b3a3a;--warn:#7a5b1e;--fs-xs:.8125rem;--fs-sm:.9375rem;--fs-md:1.0625rem;--fs-lg:1.375rem;--fs-xl:1.875rem}*{box-sizing:border-box}html,body{min-height:100%;color:var(--ink);background:radial-gradient(1200px 500px at 10% -10%, #fff9ef 0%, transparent 55%), linear-gradient(180deg, #f7f4ed 0%, var(--paper) 40%, #ebe6db 100%);font-family:var(--font-ja);font-size:var(--fs-md);margin:0;padding:0;line-height:1.7}a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--accent-hover)}.en{font-family:var(--font-en)}.shell{width:min(960px,100% - 2rem);margin:0 auto;padding:2.5rem 0 4rem}.brand{font-family:var(--font-ja);font-size:var(--fs-xl);letter-spacing:.04em;margin:0;font-weight:600}.brand .en{font-size:var(--fs-sm);color:var(--ink-soft);letter-spacing:.02em;margin-top:.35rem;font-weight:400;display:block}.lede{color:var(--ink-soft);max-width:36rem;margin:1rem 0 0}.panel{border:1px solid var(--line);background:#fffcf6e0;border-radius:4px;margin-top:2rem;padding:1.5rem 1.75rem}.panel h2{font-size:var(--fs-lg);margin:0 0 .75rem;font-weight:600}.btn{min-width:44px;min-height:44px;font-family:var(--font-ja);font-size:var(--fs-sm);cursor:pointer;border:1px solid #0000;border-radius:4px;justify-content:center;align-items:center;padding:.65rem 1.25rem;transition:background .15s,border-color .15s,opacity .15s;display:inline-flex}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn:disabled{opacity:.5;pointer-events:none}.btn-primary{background:var(--accent);color:#f7faf8}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:active{transform:translateY(1px)}.btn-ghost{border-color:var(--line);color:var(--ink);background:0 0}.btn-ghost:hover{background:var(--paper-deep)}.btn-danger{background:var(--danger);color:#fff}.stack{flex-direction:column;gap:.75rem;display:flex}.row{flex-wrap:wrap;align-items:center;gap:.75rem;display:flex}.list{margin:0;padding:0;list-style:none}.list li{border-top:1px solid var(--line)}.list li:first-child{border-top:none}.list a.item,.list .item{color:inherit;padding:1rem .25rem;text-decoration:none;display:block}.list a.item:hover{background:#1f6b5c0f}.item-title{font-weight:600}.item-meta{font-size:var(--fs-xs);color:var(--ink-soft);margin-top:.25rem}.badge{border:1px solid var(--line);font-size:var(--fs-xs);color:var(--ink-soft);border-radius:999px;padding:.15rem .5rem;display:inline-block}.badge-ok{color:var(--accent);background:#1f6b5c14;border-color:#9fc7bd}.badge-warn{color:var(--warn);background:#7a5b1e14;border-color:#d6c28a}.muted{color:var(--ink-soft);font-size:var(--fs-sm)}.pre{white-space:pre-wrap;word-break:break-word;font-family:var(--font-en);font-size:var(--fs-sm);border:1px solid var(--line);background:#faf7f0;border-radius:4px;margin:0;padding:1rem;line-height:1.65}.pre-ja{font-family:var(--font-ja)}.status{background:#1f6b5c14;border:1px solid #9fc7bd;border-radius:4px;margin-top:1rem;padding:.85rem 1rem}.status-error{color:var(--danger);background:#8b3a3a14;border-color:#d4a0a0}.topbar{justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.5rem;display:flex}.section{margin-top:1.75rem}.section h3{font-size:var(--fs-md);margin:0 0 .75rem;font-weight:600}@media (max-width:640px){.shell{width:min(100% - 1.25rem,960px);padding-top:1.5rem}.panel{padding:1.15rem 1.1rem}}