/* single post detail page */
.single-page-label {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 30px;

    @media screen and (min-width: 769px) and (max-width: 1600px) {
        padding-inline: calc(50px * (100vw - 768px) / (1600px - 768px));
    }

    @media screen and (min-width: 1600px) {
        padding-inline: 50px;
    }
    padding-top: 30px;
    padding-bottom: 10px;

    @media screen and (max-width: 768px) {
        padding-top: 20px;
        padding-bottom: 8px;
    }
}

.single-page-label__text {
    font-size: 14px;
    font-family: var(--third-font-family);
    color: var(--text-color);
    font-weight: 400;
}

.single-header {
    /* background-color: var(--background-color); */
    padding: 20px 0 50px;
    text-align: center;
}

.single-header__wrapper {
    max-width: 1600px;
    margin-inline: auto;
    padding-inline: 30px;

    @media screen and (min-width: 769px) and (max-width: 1600px) {
        padding-inline: calc(198px * (100vw - 768px) / (1600px - 768px));
    }

    @media screen and (min-width: 1600px) {
        padding-inline: 198px;
    }
}

.single-header__title {
    font-size: 50px;
    font-family: var(--main-font-family);
    color: var(--main-color);
    font-weight: 400;
    margin: 0;

    @media screen and (max-width: 768px) {
        font-size: 40px;
    }
}

.single-header__sub-title {
    font-size: 18px;
    font-family: var(--sub-font-family);
    color: var(--main-color);
    margin-top: 10px;
    font-weight: 500;
    border-bottom: 1px solid var(--main-color);
    padding-bottom: 30px;

    @media screen and (max-width: 768px) {
        margin-top: 12px;
        font-size: 16px;
    }
}

.single-content {
    padding: 0 0 100px;
    /* background-color: var(--background-color); */

    @media screen and (max-width: 768px) {
        padding: 0 0 30px;
    }
}

.single-content__wrapper {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 15px;
    box-sizing: border-box;

    @media screen and (min-width: 769px) and (max-width: 1600px) {
        padding-inline: calc(50px * (100vw - 768px) / (1600px - 768px));
    }

    @media screen and (min-width: 1600px) {
        padding-inline: 50px;
    }
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 60px;

    @media screen and (max-width: 1024px) {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    @media screen and (max-width: 768px) {
        gap: 30px;
    }
}

.single-main {
    background-color: #fff;

    @media screen and (max-width: 1024px) {
        order: 1;
    }
}

.single-post {
    background-color: #fff;
    padding: 20px 40px;
    border-radius: 10px;

    @media screen and (max-width: 768px) {
        padding: 15px;
    }
}

.single-post__content {
    font-family: var(--sub-font-family);
}

.single-post__date {
    font-size: 16px;
    font-family: var(--main-font-family);
    color: var(--text-color);
    font-weight: 400;
    margin-bottom: 15px;

    @media screen and (max-width: 768px) {
        font-size: 14px;
        margin-bottom: 12px;
    }
}

.single-post__title {
    font-size: 28px;
    font-family: var(--sub-font-family);
    color: var(--main-color);
    font-weight: 500;
    margin: 0 0 30px 0;
    line-height: 1.6;

    @media screen and (max-width: 768px) {
        font-size: 22px;
        margin-bottom: 20px;
    }
}

.single-post__content {
    font-size: 16px;
    font-family: var(--third-font-family);
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 40px;

    @media screen and (max-width: 768px) {
        font-size: 14px;
        margin-bottom: 30px;
    }
}

.single-post__content p {
    margin-bottom: 1.5em;
}

.single-post__content h1,
.single-post__content h2,
.single-post__content h3,
.single-post__content h4 {
    font-family: var(--sub-font-family);
    color: var(--main-color);
    margin-top: 2em;
    margin-bottom: 1em;
    font-weight: 500;
}

.single-post__content h1 {
    font-size: 28px;

    @media screen and (max-width: 768px) {
        font-size: 24px;
    }
}

.single-post__content h2 {
    font-size: 24px;

    @media screen and (max-width: 768px) {
        font-size: 20px;
    }
}

.single-post__content h3 {
    font-size: 20px;

    @media screen and (max-width: 768px) {
        font-size: 18px;
    }
}

.single-post__content h4 {
    font-size: 18px;

    @media screen and (max-width: 768px) {
        font-size: 16px;
    }
}

.single-post__content h5 {
    font-size: 16px;
    font-family: var(--sub-font-family);
    color: var(--main-color);
    margin-top: 1.5em;
    margin-bottom: 0.8em;
    font-weight: 500;

    @media screen and (max-width: 768px) {
        font-size: 15px;
    }
}

.single-post__content h6 {
    font-size: 14px;
    font-family: var(--sub-font-family);
    color: var(--main-color);
    margin-top: 1.5em;
    margin-bottom: 0.8em;
    font-weight: 500;

    @media screen and (max-width: 768px) {
        font-size: 13px;
    }
}

.single-post__content ul,
.single-post__content ol {
    margin-left: 1.5em;
    margin-bottom: 1.5em;
    padding-left: 1.5em;
}

.single-post__content ul {
    list-style-type: disc;
}

.single-post__content ol {
    list-style-type: decimal;
}

.single-post__content li {
    margin-bottom: 0.5em;
    line-height: 1.8;
}

.single-post__content li ul,
.single-post__content li ol {
    margin-top: 0.5em;
    margin-bottom: 0.5em;
}

.single-post__content a {
    color: var(--main-color);
    text-decoration: underline;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.single-post__content a:hover {
    opacity: 0.7;
    color: var(--main-color);
}

/* 引用ブロック */
.single-post__content blockquote {
    margin: 2em 0;
    padding: 1.5em 2em;
    border-left: 4px solid var(--main-color);
    background-color: #FEFAFB;
    font-style: italic;
    color: var(--text-color);
    line-height: 1.8;

    @media screen and (max-width: 768px) {
        padding: 1em 1.5em;
        margin: 1.5em 0;
    }
}

.single-post__content blockquote p {
    margin-bottom: 0.5em;
}

.single-post__content blockquote p:last-child {
    margin-bottom: 0;
}

.single-post__content blockquote cite {
    display: block;
    margin-top: 1em;
    font-size: 0.9em;
    font-style: normal;
    color: var(--sub-text-color);
}

/* コードブロック */
.single-post__content pre {
    margin: 2em 0;
    padding: 1.5em;
    background-color: #f5f5f5;
    border-radius: 4px;
    overflow-x: auto;
    font-family: monospace, monospace;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);

    @media screen and (max-width: 768px) {
        padding: 1em;
        font-size: 13px;
        margin: 1.5em 0;
    }
}

.single-post__content code {
    font-family: monospace, monospace;
    font-size: 0.9em;
    background-color: #f5f5f5;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    color: var(--main-color);
}

.single-post__content pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
}

/* テーブル */
.single-post__content table {
    width: 100%;
    margin: 2em 0;
    border-collapse: collapse;
    border: 1px solid #E5E5E5;

    @media screen and (max-width: 768px) {
        font-size: 14px;
        margin: 1.5em 0;
        display: block;
        overflow-x: auto;
    }
}

.single-post__content th,
.single-post__content td {
    padding: 12px 15px;
    text-align: left;
    border: 1px solid #E5E5E5;

    @media screen and (max-width: 768px) {
        padding: 8px 10px;
    }
}

.single-post__content th {
    background-color: #FEFAFB;
    font-weight: 500;
    color: var(--main-color);
    font-family: var(--sub-font-family);
}

.single-post__content td {
    background-color: #fff;
}

.single-post__content tbody tr:nth-child(even) {
    background-color: #FEFAFB;
}

/* 画像とキャプション */
.single-post__content figure {
    margin: 2em 0;
    text-align: center;

    @media screen and (max-width: 768px) {
        margin: 1.5em 0;
    }
}

.single-post__content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.single-post__content figcaption {
    margin-top: 0.5em;
    font-size: 0.9em;
    color: var(--sub-text-color);
    font-style: italic;
}

/* セパレーター */
.single-post__content hr {
    margin: 2em 0;
    border: none;
    border-top: 1px solid #E5E5E5;
    height: 0;

    @media screen and (max-width: 768px) {
        margin: 1.5em 0;
    }
}

/* 強調テキスト */
.single-post__content strong,
.single-post__content b {
    font-weight: 700;
    color: var(--main-color);
}

.single-post__content em,
.single-post__content i {
    font-style: italic;
}

.single-post__content mark {
    background-color: #fff3cd;
    padding: 0.2em 0.4em;
    border-radius: 2px;
}

.single-post__content del {
    text-decoration: line-through;
    opacity: 0.7;
}

.single-post__content ins {
    text-decoration: underline;
    background-color: transparent;
}

/* 定義リスト */
.single-post__content dl {
    margin: 2em 0;

    @media screen and (max-width: 768px) {
        margin: 1.5em 0;
    }
}

.single-post__content dt {
    font-weight: 700;
    color: var(--main-color);
    margin-top: 1em;
    margin-bottom: 0.5em;
    font-family: var(--sub-font-family);
}

.single-post__content dt:first-child {
    margin-top: 0;
}

.single-post__content dd {
    margin-left: 1.5em;
    margin-bottom: 1em;
    line-height: 1.8;
}

/* アドレス */
.single-post__content address {
    font-style: normal;
    margin: 1.5em 0;
    line-height: 1.8;
}

/* 引用符 */
.single-post__content q {
    quotes: "「" "」" "『" "』";
    font-style: italic;
}

.single-post__content q::before {
    content: open-quote;
}

.single-post__content q::after {
    content: close-quote;
}

/* 上付き・下付き */
.single-post__content sup,
.single-post__content sub {
    font-size: 0.75em;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

.single-post__content sup {
    top: -0.5em;
}

.single-post__content sub {
    bottom: -0.25em;
}

/* 小さいテキスト */
.single-post__content small {
    font-size: 0.8em;
    color: var(--sub-text-color);
}

/* 埋め込みコンテンツ */
.single-post__content iframe,
.single-post__content embed,
.single-post__content object {
    max-width: 100%;
    margin: 2em 0;
    display: block;

    @media screen and (max-width: 768px) {
        margin: 1.5em 0;
    }
}

/* WordPressブロックエディタ用スタイル */
.single-post__content .wp-block-group {
    margin: 2em 0;

    @media screen and (max-width: 768px) {
        margin: 1.5em 0;
    }
}

.single-post__content .wp-block-columns {
    margin: 2em 0;
    display: flex;
    gap: 2em;

    @media screen and (max-width: 768px) {
        flex-direction: column;
        gap: 1.5em;
        margin: 1.5em 0;
    }
}

.single-post__content .wp-block-column {
    flex: 1;
}

.single-post__content .wp-block-separator {
    margin: 2em auto;
    border: none;
    border-top: 2px solid #E5E5E5;
    max-width: 100px;

    @media screen and (max-width: 768px) {
        margin: 1.5em auto;
    }
}

.single-post__content .wp-block-quote {
    margin: 2em 0;
    padding: 1.5em 2em;
    border-left: 4px solid var(--main-color);
    background-color: #FEFAFB;
    font-style: italic;
    color: var(--text-color);
    line-height: 1.8;

    @media screen and (max-width: 768px) {
        padding: 1em 1.5em;
        margin: 1.5em 0;
    }
}

.single-post__content .wp-block-pullquote {
    margin: 2em 0;
    padding: 2em;
    border-top: 4px solid var(--main-color);
    border-bottom: 4px solid var(--main-color);
    text-align: center;
    font-size: 1.2em;
    font-style: italic;
    color: var(--main-color);

    @media screen and (max-width: 768px) {
        padding: 1.5em;
        margin: 1.5em 0;
        font-size: 1.1em;
    }
}

.single-post__content .wp-block-image {
    margin: 2em 0;

    @media screen and (max-width: 768px) {
        margin: 1.5em 0;
    }
}

.single-post__content .wp-block-gallery {
    margin: 2em 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1em;

    @media screen and (max-width: 768px) {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 0.5em;
        margin: 1.5em 0;
    }
}

.single-post__content .wp-block-cover {
    margin: 2em 0;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2em;
    background-size: cover;
    background-position: center;

    @media screen and (max-width: 768px) {
        min-height: 200px;
        padding: 1.5em;
        margin: 1.5em 0;
    }
}

.single-post__content .wp-block-verse {
    margin: 2em 0;
    padding: 1.5em;
    background-color: #f5f5f5;
    border-radius: 4px;
    font-family: monospace, monospace;
    white-space: pre-wrap;
    line-height: 1.8;

    @media screen and (max-width: 768px) {
        padding: 1em;
        margin: 1.5em 0;
    }
}

.single-post__content .wp-block-media-text {
    margin: 2em 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2em;
    align-items: center;

    @media screen and (max-width: 768px) {
        grid-template-columns: 1fr;
        gap: 1.5em;
        margin: 1.5em 0;
    }
}

.single-post__content button,
.single-post__content .wp-block-button__link,
.single-post__content .wp-block-button a {
    color: #fff;
    transition: opacity 0.3s ease, transform 0.2s ease, background-color 0.3s ease;
}

.single-post__content button:hover,
.single-post__content .wp-block-button__link:hover,
.single-post__content .wp-block-button a:hover {
    color: #fff;
    opacity: 0.9;
    transform: translateY(-1px);
}

.single-post__footer {
    padding-top: 30px;
    border-top: 1px solid #E5E5E5;

    @media screen and (max-width: 768px) {
        padding-top: 20px;
    }
}

.single-post__back-link {
    font-size: 14px;
    font-family: var(--third-font-family);
    color: var(--main-color);
    text-decoration: underline;
    transition: opacity 0.3s ease, color 0.3s ease, transform 0.2s ease;
    display: inline-block;

    @media screen and (max-width: 768px) {
        font-size: 13px;
    }
}

.single-post__back-link:hover {
    opacity: 0.7;
    color: var(--main-color);
    transform: translateX(3px);
}