:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#fff;--fg:#1d1d1f;--muted:#5c5c61;--border:#e3e3e8;--link:#0b63c4;--accent-bg:#f4f6f8;--input-bg:#fff;--input-border:#c5c5cd;--input-focus:#0b63c4;--error-fg:#b32218;--error-bg:#fdecea;--error-border:#f0b7b2;--success-fg:#1c7a4d;--success-bg:#eaf7ef;--success-border:#b6e2c8}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#131316;--fg:#ececf0;--muted:#a3a3ac;--border:#34343c;--link:#7ab8ff;--accent-bg:#1d1d23;--input-bg:#1d1d23;--input-border:#45454f;--input-focus:#7ab8ff;--error-fg:#ff9a8f;--error-bg:#3a1f1d;--error-border:#6b2f2a;--success-fg:#7fdca6;--success-bg:#16301f;--success-border:#2c5a3f}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);-webkit-text-size-adjust:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif;line-height:1.8}main{max-width:42rem;margin:0 auto;padding:1.5rem 1.25rem 4rem}.top-nav{justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.5rem;font-size:.9rem;display:flex}h1{margin:1rem 0 1.5rem;font-size:1.7rem;line-height:1.4}h2{border-bottom:1px solid var(--border);margin:2.5rem 0 .75rem;padding-bottom:.35rem;font-size:1.15rem;line-height:1.5}p,ul{margin:.75rem 0}li{margin:.25rem 0}a{color:var(--link);text-underline-offset:3px;text-decoration-thickness:1px}.summary{background:var(--accent-bg);border:1px solid var(--border);border-radius:8px;padding:.9rem 1.1rem}.service-list{margin:1.5rem 0;padding:0;list-style:none}.service-list li{border:1px solid var(--border);border-radius:8px;margin:.85rem 0;padding:1rem 1.1rem}.service-list .name{font-size:1.1rem;font-weight:600}.service-list .desc{color:var(--muted);margin:.35rem 0 .6rem}.service-list .links{margin:0;font-size:.9rem}footer{border-top:1px solid var(--border);color:var(--muted);margin-top:3.5rem;padding-top:1rem;font-size:.9rem}.support-form{margin:1.5rem 0}.support-field{margin:1.25rem 0}.support-field label{margin-bottom:.35rem;font-weight:600;display:block}.support-required{color:var(--error-fg);font-size:.85rem;font-weight:600}.support-optional{color:var(--muted);font-size:.85rem;font-weight:400}.support-field input,.support-field textarea,.support-select{width:100%;max-width:100%;color:var(--fg);background:var(--input-bg);border:1px solid var(--input-border);border-radius:8px;padding:.6rem .7rem;font-family:inherit;font-size:1rem;line-height:1.5;display:block}.support-field textarea{resize:vertical;min-height:8rem}.support-field input:focus,.support-field textarea:focus,.support-select:focus{outline:2px solid var(--input-focus);outline-offset:1px;border-color:var(--input-focus)}.support-field input[aria-invalid=true],.support-field textarea[aria-invalid=true]{border-color:var(--error-border)}.support-error-text{color:var(--error-fg);margin:.35rem 0 0;font-size:.9rem}.support-submit{appearance:none;color:#fff;background:var(--link);border:1px solid var(--link);cursor:pointer;border-radius:8px;margin-top:.5rem;padding:.65rem 1.5rem;font-family:inherit;font-size:1rem;font-weight:600;display:inline-block}.support-submit:hover{filter:brightness(1.05)}.support-submit:focus-visible{outline:2px solid var(--input-focus);outline-offset:2px}.support-submit:disabled{opacity:.6;cursor:progress}.support-result{border:1px solid var(--border);border-radius:8px;margin:1.25rem 0;padding:.9rem 1.1rem}.support-result h2{border-bottom:none;margin:0 0 .5rem;padding-bottom:0;font-size:1.15rem}.support-success{color:var(--success-fg);background:var(--success-bg);border-color:var(--success-border)}.support-error{color:var(--error-fg);background:var(--error-bg);border-color:var(--error-border)}.support-fallback{color:var(--muted);margin-top:1.25rem;font-size:.9rem}.support-hp{width:1px;height:1px;position:absolute;left:-9999px;overflow:hidden}@media (max-width:480px){h1{font-size:1.45rem}}