@charset "UTF-8";
/* CSS Document */
/* あの日の火山｜あの日の世界の火山活動 */
/* みんなの知識 ちょっと便利帳 */
/* 2026/08/23 */

.vol-wrap {
    --vol-bg: #14171e;
    --vol-card-bg: #232838;
    --vol-border: #3D4560;
    --vol-text: #EAEAEA;
    --vol-sub: #C9D6FF;
    --vol-accent: #3B82F6;
    --vol-accent-dark: #2563EB;
    --vol-gap: 18px;
    --vol-vei-low: #FFC107;
    --vol-vei-mid: #FF7A00;
    --vol-vei-high: #D32F2F;

    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--vol-bg);
    margin: 10px auto;
    padding: 0 10px 15px 0;
    border: 2px solid var(--vol-border);
    border-radius: 10px;
    color: var(--vol-text);
    line-height: 1.8;
    font-size: 18px;
    container-type: inline-size;
    container-name: vol;
}
.vol-wrap * { box-sizing: border-box; }
.vol-container { max-width: 1100px; margin: auto; padding: 20px 0; }

.vol-header h2 {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: clamp(23px, 4.5vw, 30px);
    color: var(--vol-accent);
    text-align: center;
    margin: 10px 0 20px;
}
.vol-header p { font-size: 14px; text-align: left; color: var(--vol-sub); margin: 0 10px 0 20px;line-height: 150%; }
.vol-header a { color:orange; }

.vol-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 18px var(--vol-gap) 0;
    padding: 16px;
    background: var(--vol-card-bg);
    border: 1px solid var(--vol-border);
    border-radius: 8px;
}
.vol-input, .vol-select {
    font-size: 16px;
    padding: 8px 12px;
    border: 1px solid var(--vol-border);
    border-radius: 6px;
    background: #141419;
    color: #FFF;
}
.vol-btn {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    background: var(--vol-accent);
    color: #FFF;
    white-space: nowrap;
}
.vol-btn:hover { background: var(--vol-accent-dark); }
.vol-btn-ghost { background: transparent; border: 1px solid var(--vol-border); color: var(--vol-text); }
.vol-btn-ghost:hover { background: #34343f; }
.vol-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.vol-dayfind { flex-direction: column; align-items: stretch; }
.vol-dayfind-header { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.vol-dayfind-inputs { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; }
.vol-dayfind-inputs label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--vol-sub); }
.vol-dayfind-inputs input, .vol-dayfind-inputs select { font-size: 15px; }
#vol-dayfind-year { width: 120px; }
#vol-dayfind-month, #vol-dayfind-day { width: 80px; }
#vol-dayfind-result { margin-top: 14px; }
.vol-dayfind-summary { font-size: 13px; color: var(--vol-sub); margin-bottom: 10px; }
.vol-card-year-badge {
    display: inline-block;
    font-size: 11px;
    color: var(--vol-sub);
    background: #14141a;
    border: 1px solid var(--vol-border);
    border-radius: 3px;
    padding: 1px 6px;
    margin-right: 6px;
}

.vol-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 10px var(--vol-gap) 0;
    padding: 12px 16px;
    background: #23232c;
    border: 1px solid var(--vol-border);
    border-radius: 8px;
    align-items: center;
}
.vol-filter-bar label { font-size: 13px; color: var(--vol-sub); margin-right: 4px; }
.vol-filter-group { display: flex; align-items: center; gap: 6px; }
.vol-filter-bar .vol-input { flex: 1 1 160px; min-width: 120px; }
.vol-checkbox-label { display: flex; align-items: center; gap: 6px; font-size: 13px; cursor: pointer; white-space: nowrap; }
.vol-checkbox-label input { width: 16px; height: 16px; cursor: pointer; }

.vol-quicklinks {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin: 8px var(--vol-gap) 0;
}
.vol-quicklinks:empty { display: none; }
.vol-quick-label {
    font-size: 12px;
    color: var(--vol-sub);
    margin-right: 2px;
}
.vol-quick-chip {
    font-size: 12px;
    color: var(--vol-text);
    background: #1E1E24;
    border: 1px solid var(--vol-border);
    border-radius: 999px;
    padding: 4px 12px;
    cursor: pointer;
    transition: border-color .15s, color .15s;
}
.vol-quick-chip:hover { border-color: var(--vol-accent); color: var(--vol-accent); }

.vol-main-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 16px;
    margin: 18px var(--vol-gap) 0;
}
@container vol (max-width: 900px) {
    .vol-main-grid { grid-template-columns: 1fr; }
    .vol-map { height: 420px; }
}
@supports not (container-type: inline-size) {
    @media (max-width: 900px) {
        .vol-main-grid { grid-template-columns: 1fr; }
        .vol-map { height: 420px; }
    }
}

.vol-map-col { position: relative; }
.vol-map {
    width: 100%;
    height: 480px;
    border-radius: 8px;
    border: 1px solid var(--vol-border);
    background: #000;
}

.vol-legend {
    position: absolute;
    bottom: 10px;
    left: 10px;
    z-index: 500;
    background: rgba(20,20,25,0.88);
    border: 1px solid var(--vol-border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--vol-text);
}
.vol-legend-title { font-weight: bold; margin-bottom: 4px; color: var(--vol-sub); }
.vol-legend-row { display: flex; align-items: center; gap: 6px; margin: 2px 0; }
.vol-legend-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; border: 1px solid #fff; }

.vol-sidebar {
    background: var(--vol-card-bg);
    border: 1px solid var(--vol-border);
    border-radius: 8px;
    padding: 12px;
    max-height: 560px;
    overflow-y: auto;
}
.vol-sidebar h3 { font-size: 16px; margin: 0 0 4px; color: var(--vol-accent); }
.vol-sidebar-sub { font-size: 12px; color: var(--vol-sub); margin: 0 0 10px; }
.vol-card {
    background: #1E1E24;
    border: 1px solid var(--vol-border);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: border-color .15s;
}
.vol-card:hover { border-color: var(--vol-accent); }
.vol-card-title { font-weight: bold; font-size: 16px; color: #FFF; }
.vol-card-sub { font-size: 13px; color: var(--vol-sub); }
.vol-card-day { font-size: 12px; color: #B9B9C8; margin-top: 2px; }
.vol-vei-tag {
    display: inline-block;
    padding: 1px 6px;
    font-size: 11px;
    border-radius: 3px;
    background: var(--vol-vei-high);
    color: #FFF;
    font-weight: bold;
    float: right;
}

.vol-empty {
    text-align: center;
    color: var(--vol-sub);
    font-size: 14px;
    padding: 30px 10px;
}
.vol-suggest-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    text-align: left;
    background: #1E1E24;
    border: 1px solid var(--vol-border);
    border-radius: 6px;
    padding: 8px 10px;
    margin-top: 10px;
    font-size: 13px;
}
.vol-suggest-btn { padding: 4px 10px; font-size: 12px; flex-shrink: 0; }
.vol-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--vol-sub);
    font-size: 14px;
    padding: 30px 10px;
}
.vol-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--vol-border);
    border-top-color: var(--vol-accent);
    border-radius: 50%;
    animation: vol-spin 0.7s linear infinite;
}
@keyframes vol-spin { to { transform: rotate(360deg); } }

.vol-all-section {
    margin: 18px var(--vol-gap) 0;
    padding: 16px;
    background: var(--vol-card-bg);
    border: 1px solid var(--vol-border);
    border-radius: 8px;
}
.vol-all-section h3 { margin: 0 0 4px; font-size: 16px; color: var(--vol-accent); }
.vol-all-sub { font-size: 12px; color: var(--vol-sub); margin: 0 0 10px; }
.vol-all-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
    max-height: 280px;
    overflow-y: auto;
    padding-right: 4px;
}
.vol-all-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    background: #1E1E24;
    border: 1px solid var(--vol-border);
    border-radius: 6px;
    padding: 7px 10px;
    cursor: pointer;
    font-size: 13px;
    transition: border-color .15s;
}
.vol-all-item:hover { border-color: var(--vol-accent); }
.vol-all-item-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vol-all-item-year { color: var(--vol-sub); font-size: 12px; white-space: nowrap; flex-shrink: 0; }

.vol-footnote {
    margin: 16px var(--vol-gap) 0;
    padding: 10px 14px;
    font-size: 12px;
    color: #a8a8ba;
    border-top: 1px dashed var(--vol-border);
}
.vol-footnote a { color: var(--vol-sub); }

.vol-footnote p {
    margin: 0.6em 0;
    padding-left: 1em;
    text-indent: -1em;
}
.vol-footnote p:first-child { margin-top: 0; }
.vol-footnote p:last-child { margin-bottom: 0; }

.vol-footnote-citation {
    margin-top: 0.8em;
    padding-top: 0.6em;
    border-top: 1px dashed var(--vol-border);
    font-size: 11px;
    color: #8a8a9a;
}

.vol-toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%) translateY(20px);
    background: #141419;
    border: 1px solid var(--vol-accent);
    color: #fff;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}
.vol-toast.vol-show { opacity: 1; transform: translateX(-50%) translateY(0); }

.vol-popup { font-size: 13px; min-width: 200px; }
.vol-popup-title { font-weight: bold; font-size: 14px; margin-bottom: 6px; }
.vol-popup-table { border-collapse: collapse; width: 100%; }
.vol-popup-table th {
    text-align: left;
    font-weight: normal;
    color: #666;
    padding: 2px 8px 2px 0;
    white-space: nowrap;
    vertical-align: top;
}
.vol-popup-table td { padding: 2px 0; }
.vol-popup-note { margin-top: 6px; font-size: 12px; color: #666; font-style: italic; }

.vol-map .leaflet-control-layers {
    background: #1E1E24;
    color: var(--vol-text);
    border: 1px solid var(--vol-border);
    border-radius: 6px;
}
.vol-map .leaflet-control-layers-toggle {
    background-color: #FFFFFF !important;
    background-image: none !important;
    border-radius: 4px !important;
    width: 30px !important;
    height: 30px !important;
    box-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
.vol-map .leaflet-control-layers-toggle::before {
    content: "\2630";
    display: block;
    text-align: center;
    line-height: 30px;
    font-size: 16px;
    color: #333333;
}
.vol-map .leaflet-control-layers-toggle:hover { background-color: #F0F0F0 !important; }
.vol-map .leaflet-control-layers label { font-size: 13px; }

@media (max-width: 480px) {
    .vol-wrap { font-size: 16px; padding-right: 10px; }
    .vol-form, .vol-filter-bar { margin-left: 10px; margin-right: 10px; }
}