@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--bg-color:#f8fafc;--bg-card:#fff;--text-primary:#0f172a;--text-secondary:#64748b;--accent-color:#6366f1;--accent-hover:#4f46e5;--border-color:#e2e8f0;--border-focus:#94a3b8;--error-bg:#fef2f2;--error-text:#ef4444;--error-border:#fee2e2;--success-bg:#f0fdf4;--success-text:#22c55e;--success-border:#dcfce7;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--font-family:"Inter", system-ui, -apple-system, sans-serif;--transition:all .2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}button,input{font-family:inherit}._container_2j6pt_1{background-color:var(--bg-color);min-height:100vh;color:var(--text-primary);flex-direction:column;display:flex}._header_2j6pt_9{background:var(--bg-card);border-bottom:1px solid var(--border-color);height:64px;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 2rem;display:flex}._logo_2j6pt_20{align-items:center;display:flex}._logoImg_2j6pt_25{width:auto;height:32px;display:block}._nav_2j6pt_31{align-items:center;gap:1.5rem;display:flex}._navItem_2j6pt_37{color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;font-size:.9375rem;font-weight:500}._navItem_2j6pt_37:hover{color:var(--text-primary)}._profileIcon_2j6pt_51{background:var(--bg-color);cursor:pointer;width:40px;height:40px;transition:var(--transition);border:1px solid var(--border-color);border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative}._profileIcon_2j6pt_51:hover{background:var(--border-color)}._usernameTip_2j6pt_69{background:var(--text-primary);color:#fff;border-radius:var(--radius-sm);white-space:nowrap;pointer-events:none;box-shadow:var(--shadow-md);margin-top:8px;padding:4px 8px;font-size:.75rem;position:absolute;top:100%;right:0}._main_2j6pt_84{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:4rem 2rem}._hyperlinksArea_2j6pt_92{margin-bottom:4rem}._mainTitle_2j6pt_96{letter-spacing:-.05em;color:var(--text-primary);margin-bottom:2rem;font-size:3rem;font-weight:800}._リンクGrid_2j6pt_104{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem;display:grid}._linkCard_2j6pt_110{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-color);color:#334155;transition:var(--transition);cursor:pointer;text-align:center;justify-content:center;align-items:center;padding:1.5rem;font-weight:600;display:flex}._linkCard_2j6pt_110:hover{border-color:var(--border-focus);box-shadow:var(--shadow-md);transform:translateY(-2px)}@media (width<=640px){._header_2j6pt_9{padding:0 1rem}._nav_2j6pt_31{gap:.75rem}._mainTitle_2j6pt_96{font-size:2.25rem}}._login-page_1gmgq_1{background-color:var(--bg-color);justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}._login-container_1gmgq_10{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-color);width:100%;max-width:440px;box-shadow:var(--shadow-lg);padding:3rem 2.5rem}._logo-header_1gmgq_20{justify-content:center;margin-bottom:2rem;display:flex}._logo-img_1gmgq_26{width:auto;height:48px}._login-title_1gmgq_31{text-align:center;color:var(--text-primary);letter-spacing:-.05em;margin:0 0 2.5rem;font-size:2.25rem;font-weight:800}._login-form_1gmgq_40{flex-direction:column;gap:1.5rem;display:flex}._form-group_1gmgq_46{flex-direction:column;gap:.5rem;display:flex}._form-group_1gmgq_46 label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.8125rem;font-weight:600}._form-input_1gmgq_60{border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--bg-color);width:100%;color:var(--text-primary);transition:var(--transition);outline:none;padding:.75rem 1rem;font-size:1rem}._form-input_1gmgq_60:focus{border-color:var(--border-focus);background:var(--bg-card);box-shadow:0 0 0 4px #94a3b81a}._error-message_1gmgq_78{color:var(--error-text);background:var(--error-bg);border-radius:var(--radius-md);border:1px solid var(--error-border);padding:.875rem;font-size:.875rem;font-weight:500}._success-message_1gmgq_88{color:var(--success-text);background:var(--success-bg);border-radius:var(--radius-md);border:1px solid var(--success-border);margin-bottom:1.5rem;padding:.875rem;font-size:.875rem;font-weight:500}._login-btn_1gmgq_99{background:var(--text-primary);color:#fff;border-radius:var(--radius-md);cursor:pointer;width:100%;transition:var(--transition);border:none;margin-top:.5rem;padding:.875rem;font-size:1rem;font-weight:700}._login-btn_1gmgq_99:hover{background:#000;transform:translateY(-1px)}._back-link_1gmgq_118{color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;border:none;justify-content:center;align-items:center;gap:.5rem;width:100%;margin-top:2rem;font-size:.875rem;font-weight:500;display:inline-flex}._back-link_1gmgq_118:hover{color:var(--text-primary)}._back-link-muted_1gmgq_138{opacity:.7}._back-link-icon_1gmgq_142{margin-right:4px}