/* ZEGRAMTOOLS — shared primitives */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

body {
    background-color: #000000;
    color: #e2e2e2;
    font-family: 'Inter', sans-serif;
}

.tactical-glow {
    filter: drop-shadow(0 0 8px rgba(171, 192, 3, 0.45));
}

.glow-primary {
    filter: drop-shadow(0 0 8px rgba(171, 192, 3, 0.35));
}

.technical-border {
    border: 1px solid rgba(113, 79, 157, 0.25);
}

.asymmetric-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .asymmetric-grid {
        grid-template-columns: 1fr;
    }
}

/* お知らせ「過去の記事」折りたたみ（details/summary） */
.news-more-details summary {
    list-style: none;
}
.news-more-details summary::-webkit-details-marker {
    display: none;
}
.news-more-details summary::after {
    content: '';
    display: inline-block;
    width: 0.35em;
    height: 0.35em;
    margin-left: 0.5em;
    border-right: 2px solid #abc003;
    border-bottom: 2px solid #abc003;
    transform: rotate(45deg);
    vertical-align: 0.15em;
    transition: transform 0.15s ease;
}
.news-more-details[open] summary::after {
    transform: rotate(-135deg);
    vertical-align: 0.05em;
}