:root{--color-primary:#0a0a0a;--color-secondary:#fafafa;--color-tertiary:#d4d4d8;--surface-base:#fafafa;--surface-card:#fff;--surface-subtle:#f4f4f5;--surface-inverse:#0a0a0a;--color-success:#16a34a;--color-warning:#ca8a04;--color-error:#dc2626;--color-info:#71717a;--border-color:#e5e5e5;--border-subtle:#f4f4f5;--border-dark:#0a0a0a;--bg-color:var(--surface-base);--panel-bg:#fff;--text-main:#0a0a0a;--text-muted:#71717a;--accent:#0a0a0a;--accent-hover:#262626;--primary-color:#0a0a0a;--primary-hover:#262626;--card-bg:var(--surface-card);--font-family-base:"Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;--font-family-mono:"IBM Plex Mono", 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var(--border-color);color:var(--color-primary);text-align:left;align-items:center;gap:20px;padding:14px 16px;text-decoration:none;transition:background-color .15s;display:flex}.news-item:hover{background-color:var(--surface-subtle)}.news-item time{font-family:var(--font-family-mono);color:var(--text-muted);white-space:nowrap;flex-shrink:0;font-size:12.5px}.news-tag{letter-spacing:.05em;border:1px solid var(--color-primary);color:var(--color-primary);white-space:nowrap;background:0 0;border-radius:0;flex-shrink:0;padding:2px 8px;font-size:10px;font-weight:600}.news-title{color:var(--color-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14px;font-weight:400;overflow:hidden}@media (width<=520px){.news-item{flex-wrap:wrap;gap:8px}.news-title{flex-basis:100%;width:100%}}.chat-container{flex-direction:column;gap:18px;width:100%;padding:16px 8px;display:flex}.chat-bubble{word-break:break-word;text-align:left;border-radius:0;max-width:82%;padding:12px 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