/* 基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: #3182ce;
}

a:hover {
    text-decoration: underline;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}
.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* ヘッダー */
header {
    background-color: #fff;
    border-bottom: 1px solid #ddd;
    padding: 20px 0;
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header h1 {
    font-size: 24px;
}
header img {
	height: 60px;
}
header nav ul {
    display: flex;
    list-style: none;
}
header nav ul li {
    margin-left: 20px;
}
header nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

/* メインビジュアル */
.hero {
    background-color: #e2e8f0;
    padding: 60px 0;
    text-align: center;
}
.hero h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

/* コンテンツ */
.content-block {
    background-color: #fff;
    padding: 30px;
    margin: 30px 0;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.content-block h3 {
    font-size: 22px;
    margin-bottom: 15px;
    border-left: 4px solid #3182ce;
    padding-left: 10px;
}

/*.block-link {
	text-decoration: none;
	color: inherit;
	display: block;
}
*/

.block-link:hover {
    text-decoration: none;
}

/* フッター */
footer {
    text-align: center;
    padding: 20px 0;
    background-color: #333;
    color: #fff;
    margin-top: 40px;
}