:root{--primary:#e91e63;--primary-dark:#c2185b;--primary-light:#f48fb1;--primary-bg:#fce4ec;--text-primary:#1a1a1a;--text-secondary:#666;--text-muted:#999;--bg-main:#fafafa;--bg-card:#fff;--border:#e0e0e0;--border-light:#f0f0f0;--success:#4caf50;--success-light:#e8f5e9;--danger:#f44336;--danger-light:#ffebee;--shadow-sm:0 2px 4px rgba(0,0,0,.08);--shadow-md:0 4px 12px rgba(0,0,0,.12);--shadow-lg:0 8px 24px rgba(0,0,0,.16);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px}.forum-page{background:var(--bg-main);min-height:100vh;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Meiryo,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.7}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1);opacity:.3}50%{transform:scale(1.05);opacity:.1}}@keyframes slideDown{0%{opacity:0;transform:translate(-50%,-20px)}to{opacity:1;transform:translate(-50%)}}@keyframes highlightPulse{0%{box-shadow:0 0 0 0 var(--primary)}50%{box-shadow:0 0 0 8px transparent}to{box-shadow:0 0 0 0 transparent}}.animate-slideDown{animation:slideDown .3s ease-out}.highlight-animation{animation:highlightPulse 1s ease-out}.card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:all .25s ease}.card:hover{box-shadow:var(--shadow-md)}@media (max-width:640px){.card{padding-left:var(--spacing-md);padding-right:var(--spacing-md)}}:focus-visible{outline:3px solid var(--primary);outline-offset:2px;border-radius:var(--radius-sm)}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;transition-duration:.01ms!important}}