@charset "UTF-8";
.archive-cal {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 20px;
}

.calendar { width: 95%; border-collapse: collapse; }
.cal-nav {
    color: darkgray;
    font-weight: 700;
    letter-spacing: 2;
}
.cal-nav span {
    font-size: 1.2em;
}
.calendar td { text-align: center; padding: 2px; border: 1px solid #ddd; }
.calendar a.has-data { 
    display: block; 
    background-color: #e3f2fd; /* 薄い青 */
    color: #1976d2; 
    font-weight: bold; 
    text-decoration: none;
    border-radius: 4px;
}
.calendar span.no-data { color: #ccc; }

.archive-date {
    font-size: 20px;
    margin: 20px;
    font-weight: bold;
    color: darkgray;
}