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var(--border);border-radius:8px;overflow:hidden}.calendar-row{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}.calendar-row+.calendar-row{border-top:1px solid var(--border)}.calendar-row.head span{text-align:center;font-size:.8rem;color:var(--muted);padding:4px 0;background:var(--bg)}.calendar-row.head span:nth-child(6){color:var(--subject-math)}.calendar-row.head span:nth-child(7){color:var(--subject-japanese)}.calendar-day{min-height:96px;min-width:0;display:flex;flex-direction:column;align-items:stretch;gap:2px;padding:4px;border:none;border-left:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;text-align:left;cursor:pointer;overflow:hidden}.calendar-day:first-child{border-left:none}.calendar-day:hover{background:var(--accent-soft)}.calendar-day:focus-visible{outline:2px solid 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