.price-table {
    width: 100%;
    max-width: 480px;
    margin: 2em 0 2em 0;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(78, 109, 141, 0.08);
    border: 2px dashed var(--secondary-color);
    overflow: hidden;
    font-size: 0.8em;
    text-align: left;
}
.price-table caption {
    font-weight: bold;
    font-size: 1em;
    color: var(--primary-color);
    background: var(--secondary-color);
    padding: 0.5em 0.7em 0.5em 1em;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    text-align: left;
}
.price-table th, .price-table td {
    padding: 0.5em 0.7em;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    font-size: 1em;
}
.price-table th {
    background: var(--secondary-color);
    color: var(--primary-color);
    font-weight: 600;
    width: 32%;
    border-right: 1px solid var(--border-color);
    font-size: 1em;
}
.price-table td {
    color: var(--text-color);
    background: #fff;
    font-size: 1em;
}
.price-table tr:last-child th, .price-table tr:last-child td {
    border-bottom: none;
}
.price-table del {
    color: #aaa;
}
@media (max-width: 600px) {
    .price-table {
        font-size: 0.9em;
        max-width: 100%;
    }
    .price-table th, .price-table td {
        padding: 0.4em 0.4em;
        font-size: 0.95em;
    }
}
/* summaryを押せるっぽく見せる */
details summary {
    cursor: pointer;
    background: var(--secondary-color, #eaf3fa);
    color: var(--primary-color, #2c3e50);
    padding: 0.7em 1em;
    border-radius: 8px;
    border: 1px solid var(--border-color, #bcd2e8);
    font-weight: 600;
    position: relative;
    transition: background 0.2s;
    margin-bottom: 0.5em;
    outline: none;
    user-select: none;
    list-style: none;
}
details summary::-webkit-details-marker {
    display: none;
}
details summary::before {
    content: "▶";
    display: inline-block;
    margin-right: 0.5em;
    transition: transform 0.2s;
}
details[open] summary::before {
    transform: rotate(90deg);
}