:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f5f5f7;--surface:#fff;--surface-2:#fbfbfd;--text:#1d1d1f;--text-muted:#55565b;--text-faint:#6e6e73;--border:#d9d9de;--border-strong:#c4c4cc;--primary:#06c;--primary-hover:#0057b0;--primary-weak:#e8f1fc;--on-primary:#fff;--success:#1a7f37;--success-weak:#e7f4ea;--danger:#c81e1e;--danger-weak:#fdecec;--warn:#8a6d00;--warn-weak:#fbf3d6;--radius-sm:8px;--radius:12px;--radius-lg:18px;--shadow-sm:0 1px 2px #0000000f;--shadow:0 4px 16px #00000014;--shadow-lg:0 12px 40px #00000029;--focus:#06c;--tap-min:44px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{background:var(--bg);min-height:100dvh;color:var(--text);font-family:var(--font-sans);letter-spacing:.01em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;line-height:1.7;display:flex}@media (max-width:639.98px){body{padding-bottom:calc(60px + env(safe-area-inset-bottom,0px))}}h1,h2,h3,h4{letter-spacing:0;line-height:1.35}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}.container{width:100%;max-width:720px;margin-inline:auto;padding-inline:16px}.main{flex:1;padding-block:24px 64px}.stack>*+*{margin-top:var(--stack-gap,16px)}.section-title{color:var(--text);margin-bottom:12px;font-size:1.05rem;font-weight:700}.muted{color:var(--text-muted)}.page-head{margin-bottom:20px}.page-head h1{font-size:1.6rem;font-weight:800}.page-head p{color:var(--text-muted);margin-top:6px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px}.btn{min-height:var(--tap-min);border-radius:var(--radius);cursor:pointer;text-align:center;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-family:inherit;font-size:1rem;font-weight:600;line-height:1.3;transition:background-color .15s,border-color .15s,transform 50ms;display:inline-flex}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:var(--on-primary)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);text-decoration:none}.btn-secondary{background:var(--surface);color:var(--primary);border-color:var(--border-strong)}.btn-secondary:hover:not(:disabled){background:var(--primary-weak);text-decoration:none}.btn-ghost{color:var(--text);background:0 0;border-color:#0000}.btn-ghost:hover:not(:disabled){background:#0000000a;text-decoration:none}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#a81717}.btn-block{width:100%}.btn-lg{min-height:52px;font-size:1.05rem;font-weight:700}.badge{background:var(--primary-weak);color:var(--primary-hover);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:2px 10px;font-size:.78rem;font-weight:700;line-height:1.6;display:inline-flex}.badge-beta{background:var(--warn-weak);color:var(--warn)}.badge-success{background:var(--success-weak);color:var(--success)}.badge-danger{background:var(--danger-weak);color:var(--danger)}.badge-neutral{color:#494a4f;background:#eef0f2}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.skip-link{background:var(--surface);color:var(--primary);border-radius:var(--radius);border:1px solid var(--border-strong);z-index:100;padding:10px 16px;transition:top .15s;position:absolute;top:-60px;left:12px}.skip-link:focus{top:12px}@media (prefers-reduced-motion:reduce){*{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}