@charset "utf-8";

/*----------------------------------------------------
　ページ設定
----------------------------------------------------*/
main {
    background-color: #E4E2DB;
    color: #393939;
    font-family: "Hiragino Mincho ProN", "Zen Old Mincho", serif;
    padding-bottom: 120px;
}

.blog_detail_contents {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 15px; /* ここを調整 */
    text-align: left;
}

/*----------------------------------------------------
　Blog Content Styles
----------------------------------------------------*/


.blog_header_meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.blog_category {
    display: inline-block;
    background-color: #b3acaf;
    color: #FFFFFF;
    padding: 2px 12px;
    font-size: 12px;
}

.blog_date {
    color: #868686;
    font-size: 14px;
}

.blog_header {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px;
}

.blog_body > *:not(img),
.blog_footer_nav {
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.blog_title {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.4;
    color: #333;
    margin-top: 10px;
    font-family: "Hiragino Mincho ProN", "Zen Old Mincho", serif;
}

.blog_body {
    line-height: 1.8;
    font-size: 16px;
    color: #444;
}

.blog_body img {
    max-width: 100%;
    height: auto;
    margin: 60px auto;
    display: block;
}

.blog_body p {
    margin-bottom: 2em;
}

.blog_body h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 80px auto 20px;
    padding-bottom: 5px;
    border-bottom: 1px solid #b3acaf;
    color: #393939; /* 文字色を濃いグレーに明示 */
    font-family: "Hiragino Mincho ProN", "Zen Old Mincho", serif; /* 明朝体を明示 */
    /* 共通設定のh2（MV用）の影響をリセット */
    height: auto;
    display: block;
    align-items: baseline;
    justify-content: flex-start;
    opacity: 1;
}

.blog_body h3 {
    font-size: 22px;
    font-weight: 600;
    border-left: 4px solid #b3acaf;
    padding-left: 15px;
    margin: 50px auto 20px;
    color: #393939;
    font-family: inherit;
    /* 共通設定のリセット */
    height: auto;
    display: block;
    text-align: left;
}

.blog_body h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 40px auto 10px;
    color: #393939;
    font-family: inherit;
    /* 共通設定のリセット */
    height: auto;
    display: block;
}

.blog_body hr {
	border-left: none;
	border-right: none;
	border-bottom: none;
	border-top: 1px solid #cfcfcf;
	margin: 60px auto;
}

.blog_body ul, .blog_body ol {
    margin-bottom: 2em;
    padding-left: 1.5em;
}

.blog_body li {
    margin-bottom: 0.5em;
}

.blog_body blockquote {
    background-color: rgba(255, 255, 255, 0.5);
    padding: 20px 30px;
    border-left: 2px solid #b3acaf;
    margin: 40px auto;
    font-style: italic;
}

/*---------------------------------------------
　Footer Navigation
----------------------------------------------*/
.blog_footer_nav {
    margin-top: 60px;
    text-align: center;
}

.btn_back {
    display: inline-block;
    background-color: #393939;
    color: #FFFFFF;
    text-decoration: none;
    font-size: 14px;
    padding: 10px 30px 10px 45px;
    letter-spacing: 0.1em;
    position: relative;
    transition: 0.3s;
    text-align: center;
    vertical-align: middle;
}

.btn_back:hover {
    background-color: #000000;
}

.btn_back::before,
.btn_back::after {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 15px;
    margin: auto;
    content: "";
    vertical-align: middle;
}

.btn_back::before {
    width: 20px;
    height: 1px;
    background: #FFF;
}

.btn_back::after {
    width: 7px;
    height: 7px;
    border-top: 1px solid #FFF;
    border-left: 1px solid #FFF;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

/*----------------------------------------------------
　レスポンシブ
----------------------------------------------------*/
@media screen and (max-width: 768px) {
    .blog_detail_contents {
        padding: 40px 15px;
    }

    .blog_title {
        font-size: 22px;
    }

    .blog_body h2 {
        font-size: 20px;
        margin: 50px auto 25px;
    }

    .blog_body h3 {
        font-size: 18px;
        margin: 40px auto 20px;
    }

    .blog_body {
        font-size: 15px;
    }

    .blog_body img {
        margin: 30px auto;
    }
}