/* 基本リセット */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
    background-color: #f7f7f7;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 0;
}

.section {
    padding: 60px 0;
}

h1, h2, h3 {
    text-align: center;
    color: #2c3e50;
}

h3 {
    font-size: 2em;
    margin-bottom: 20px;
    border-bottom: 3px solid #3498db; /* 信頼感を出すための青い下線 */
    display: inline-block;
    padding-bottom: 5px;
}

/* I. メインビジュアル */
.hero-section {
    background-color: #34495e; /* 暗めの背景で信頼感を強調 */
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 3em;
    margin-bottom: 5px;
    color: white;
}
.hero-section h2 {
    font-size: 1.5em;
    margin-top: 0;
    margin-bottom: 30px;
    color: #bdc3c7;
}
.hero-section p {
    font-size: 1.2em;
}

/* II. 会社概要テーブル */
#company-info table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
    background-color: white;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1); /* 立体感と信頼感 */
}
#company-info th, #company-info td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #ecf0f1;
}
#company-info th {
    width: 30%;
    background-color: #f0f3f6;
    font-weight: bold;
    color: #3498db;
}

/* III. 事業内容 */
.dark-bg {
    background-color: #ecf0f1;
}
#services ul {
    list-style: none;
    padding: 0;
    display: flex; /* 項目を横並びにしやすいようFlexbox */
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}
#services li {
    background-color: white;
    padding: 20px;
    border-left: 5px solid #3498db; /* アクセントカラー */
    flex: 1 1 45%; /* 2列表示を想定 */
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    font-weight: bold;
    text-align: center;
}

/* IV. アクセスマップ */
.map-placeholder {
    width: 100%;
    height: 300px;
    background-color: #ccc;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #666;
    margin-top: 20px;
    border: 1px solid #ddd;
}

/* V. お問い合わせ (Footer) */
#contact {
    background-color: #34495e;
    color: white;
    text-align: center;
    padding: 50px 0 20px;
}
#contact h3 {
    color: white;
    border-bottom-color: #3498db;
}
.contact-button {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin: 20px 0;
    transition: background-color 0.3s;
}
.contact-button:hover {
    background-color: #2980b9;
}
.note {
    font-size: 0.9em;
    opacity: 0.8;
}
.copyright {
    margin-top: 30px;
    font-size: 0.8em;
    opacity: 0.6;
}