/* 全体のスタイル */
body {
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f2f5;
    color: #333;
    line-height: 1.6;
}

.main-header {
    background-color: #0056b3;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.container {
    max-width: 960px;
    margin: 20px auto;
    padding: 0 20px;
}

.content-section {
    background-color: #fff;
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

h2 {
    color: #004085;
    border-bottom: 2px solid #0056b3;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* 保守・点検リスト */
ul {
    list-style-type: none;
    padding: 0;
}

li {
    background-color: #e9f5ff;
    border-left: 4px solid #0056b3;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 4px;
}

li strong {
    color: #004085;
}

/* 故障と対策 (FAQアコーディオン) */
.faq-container {
    border: 1px solid #ddd;
    border-radius: 8px;
}

.faq-item {
    border-bottom: 1px solid #ddd;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    background-color: #f8f9fa;
    padding: 18px 20px;
    margin: 0;
    font-size: 1.1em;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.faq-question:hover {
    background-color: #e9ecef;
}

.faq-question::after {
    content: '+';
    font-size: 1.5em;
    color: #0056b3;
    transition: transform 0.3s;
}

.faq-question.active::after {
    content: '-';
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.faq-answer p {
    padding-top: 15px;
    margin: 0;
}
/* button-style.css */
.button-container {
    text-align: center;
    padding: 50px 0;
}

.purchase-button {
    display: inline-block;
    padding: 15px 30px;
    margin: 10px;
    background-color: #005f73;
    color: #ffffff;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.3s, transform 0.3s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.purchase-button:hover {
    background-color: #007996;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.purchase-button:active {
    background-color: #004c5e;
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}