:root{--bg:#f3f6f5;--surface:#fff;--surface-2:#f7faf8;--border:#dce5e1;--border-strong:#bdcbc6;--text:#14201d;--text-muted:#43514d;--text-subtle:#6a7773;--primary:#0f766e;--primary-hover:#115e59;--primary-soft:#dff7f3;--danger:#b42318;--danger-soft:#fef2f2;--success:#047857;--warning-bg:#fff7ed;--warning-border:#fed7aa;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 2px rgba(20,32,29,.06);--shadow-md:0 10px 24px -18px rgba(20,32,29,.35),0 2px 6px rgba(20,32,29,.05);--font-sans:"Inter","Noto Sans JP",ui-sans-serif,system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Meiryo",sans-serif;--font-mono:"SFMono-Regular","JetBrains Mono",Menlo,Consolas,monospace}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}input,select,textarea{font:inherit;color:var(--text)}.muted{color:var(--text-subtle)}.app-header{justify-content:space-between;gap:16px;padding:12px 24px;background:hsla(0,0%,100%,.95);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.app-header,.brand{display:flex;align-items:center}.brand{gap:10px;color:var(--text)}.brand:hover{text-decoration:none}.brand-mark{width:34px;height:34px;border-radius:8px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px}.brand-text{font-weight:800;font-size:16px}.app-nav{display:flex;align-items:center;gap:14px}.nav-link{font-size:14px;font-weight:600;color:var(--text-muted)}.nav-link-primary{background:var(--primary);color:#fff;padding:8px 14px;border-radius:var(--radius-md)}.nav-link-primary:hover{background:var(--primary-hover);text-decoration:none}.header-user{font-size:13px;color:var(--text-subtle);display:flex;align-items:center;gap:10px}.logout-link{font-size:12px;color:var(--text-subtle);text-decoration:underline}.page{max-width:920px;margin:0 auto;padding:28px 20px 80px}.page-wide{max-width:1140px}.page-head{margin-bottom:20px}.page-title{font-size:22px;font-weight:800;margin:0 0 4px}.page-sub{color:var(--text-subtle);font-size:14px;margin:0}.center-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.login-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:32px 20px;position:relative;background:radial-gradient(1100px 520px at 50% -10%,var(--primary-soft),transparent 60%),linear-gradient(rgba(20,32,29,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,32,29,.035) 1px,transparent 1px),var(--bg);background-size:auto,30px 30px,30px 30px,auto}.login-card{position:relative;width:min(100%,440px);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 24px 60px -28px rgba(20,32,29,.45),0 6px 16px -10px rgba(20,32,29,.18);padding:40px 34px 32px;text-align:center}.login-mark{width:60px;height:60px;margin:0 auto 18px;border-radius:16px;background:linear-gradient(140deg,var(--primary),var(--primary-hover));color:#fff;display:grid;place-items:center;font-weight:800;font-size:22px;letter-spacing:.04em;box-shadow:0 10px 22px -10px rgba(15,118,110,.6)}.login-heading{font-size:26px;font-weight:800;margin:0 0 6px}.login-tagline{font-size:15px;font-weight:700;color:var(--primary-hover);margin:0 0 10px}.login-desc{font-size:13.5px;color:var(--text-muted);line-height:1.7;margin:0 auto 22px;max-width:340px}.login-features{list-style:none;margin:0 0 24px;padding:16px;display:grid;grid-gap:12px;gap:12px;text-align:left;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-md)}.login-features li{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:600;color:var(--text)}.login-feature-icon{width:30px;height:30px;flex-shrink:0;display:grid;place-items:center;border-radius:8px;background:var(--primary-soft);font-size:15px}.login-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--primary);color:#fff;border:1px solid var(--primary);border-radius:var(--radius-md);padding:13px 18px;font-size:15px;font-weight:700;transition:background .15s,transform .05s,box-shadow .15s;box-shadow:0 10px 20px -12px rgba(15,118,110,.7)}.login-btn:hover{background:var(--primary-hover);border-color:var(--primary-hover);text-decoration:none}.login-btn:active{transform:translateY(1px)}.login-btn svg{background:#fff;border-radius:3px;padding:2px}.login-note{margin:14px 0 0}.login-footer,.login-note{font-size:12px;color:var(--text-subtle)}.login-footer{margin:0}.login-title{font-size:22px;margin:0}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:18px}.idea-list{display:grid;grid-gap:12px;gap:12px}.idea-card{display:block;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:16px 18px;color:inherit;transition:border-color .15s,box-shadow .15s,transform .05s}.idea-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);text-decoration:none;transform:translateY(-1px)}.idea-card-title{font-size:16px;font-weight:700;margin:0 0 6px}.idea-card-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12px;color:var(--text-subtle)}.chip{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700;background:var(--primary-soft);color:var(--primary-hover)}.chip-muted{background:#eef2f1;color:var(--text-muted)}.count-pill{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-weight:700}.field{display:grid;grid-gap:6px;gap:6px;margin-bottom:16px}.field-label{font-size:13px;font-weight:700;color:var(--text-muted)}.input,.select,.textarea{width:100%;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-md);padding:10px 12px}.textarea{resize:vertical;min-height:120px;line-height:1.6}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,118,110,.14)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);border-radius:var(--radius-md);padding:9px 16px;font-size:14px;font-weight:700;transition:background .15s,border-color .15s,transform 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var(--warning-border);background:var(--warning-bg);border-radius:var(--radius-md)}.candidate-title{font-weight:700}.candidate-meta{font-size:12px;color:var(--text-subtle)}.contribution{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px}.contribution+.contribution{margin-top:10px}.contribution-meta{display:flex;gap:10px;font-size:12px;color:var(--text-subtle);margin-bottom:6px}.contribution-body{white-space:pre-wrap;word-break:break-word}.alert{padding:10px 14px;border-radius:var(--radius-md);font-size:14px;margin-bottom:14px}.alert-error{background:var(--danger-soft);border:1px solid #fecaca;color:var(--danger)}.alert-success{background:#ecfdf3;border:1px solid #abefc6;color:var(--success)}.empty{text-align:center;color:var(--text-subtle);padding:40px 12px}.back-link{font-size:13px;font-weight:600;display:inline-block;margin-bottom:14px}.admin-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px;flex-wrap:wrap}.admin-tab{background:none;border:none;border-bottom:2px solid transparent;color:var(--text-subtle);font-size:14px;font-weight:700;padding:10px 14px}.admin-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.stat-cards{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin-bottom:8px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px}.stat-label{font-size:12px;color:var(--text-subtle);font-weight:700}.stat-value{font-size:28px;font-weight:800;margin-top:4px}.table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;font-size:13px}.table td,.table th{border-bottom:1px solid var(--border);padding:9px 12px;text-align:left;vertical-align:top}.table thead th{background:var(--surface-2);color:var(--text-subtle);font-size:12px;white-space:nowrap}.row-form{display:flex;gap:8px;margin:12px 0;flex-wrap:wrap}.row-form .input{max-width:360px}.prompt-output{width:100%;min-height:280px;font-family:var(--font-mono);font-size:12.5px;line-height:1.6;white-space:pre;background:#0f172a;color:#e2e8f0;border:none;border-radius:var(--radius-md);padding:14px}.toggle-row{display:flex;align-items:center;gap:10px;margin:8px 0 4px}.section{margin-bottom:28px}.section h2{font-size:17px;margin:0 0 12px}@media (max-width:640px){.app-header{padding:10px 14px;flex-wrap:wrap}.brand-text{font-size:14px}.page{padding:18px 14px 60px}}