:root{--edition-year: "2026";--red: #e60026;--red-soft: #ff5470;--red-ink: #b8001f;--blue: #22b6e6;--blue-soft: #6ed4f4;--blue-ink: #1d8fb8;--purple: #7a4fbf;--orange: #f39800;--bg: #fbf7ee;--surface: #ffffff;--paper: #fbf7ee;--text: #1a2238;--muted: #6b7494;--border: #e3ddc8;--bg-image: radial-gradient(ellipse at 85% -5%, rgba(34, 182, 230, .18) 0%, transparent 55%), radial-gradient(ellipse at 5% 100%, rgba(230, 0, 38, .12) 0%, transparent 55%), linear-gradient(180deg, var(--bg), var(--bg));--grad-ribbon: linear-gradient(90deg, #2ea7e0 0%, #7a4fbf 45%, #e73d5c 75%, #f39800 100%);--font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;--font-display: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;--max-width: 1100px;--max-wide: 1280px;--radius-sm: 6px;--radius-md: 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