/* 記事詳細CSS */


:root {
    --accent-color-alt: #10b981;
    --button-active-bg: #030303;
    --button-inactive-bg: #f0f0f0;
    --button-hover-bg-alt: #e5e5e5;
}


.post-detail {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}


.breadcrumb {
    background-color: transparent;
    padding: 0.5rem 0;
    margin-bottom: 3rem;
}

.breadcrumb-item {
    color: var(--text-color);
}

    .breadcrumb-item a {
        color: var(--link-color);
        text-decoration: none;
        transition: color 0.3s ease;
    }

        .breadcrumb-item a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }

        .breadcrumb-item a:focus {
            outline: none;
        }

    .breadcrumb-item.active {
        color: var(--text-color);
        opacity: 0.7;
    }


.post-header {
    padding: 1rem 0.1rem 1rem 0rem;
    margin-bottom: 0rem;
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: visible;
    position: relative;
}

.post-title {
    font-size: 2.55rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.post-meta {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.meta-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

    .meta-row span {
        display: flex;
        align-items: center;
        gap: 0.3rem;
    }

    .meta-row i {
        font-size: 0.8rem;
    }

    .meta-row time {
        font-weight: 500;
    }


.category-badge {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
    margin-right: 0.5rem;
    border-radius: 15px;
    background-color: #f0f0f0;
    color: var(--link-color) !important;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    font-weight: 500;
}

    .category-badge:hover {
        background-color: #e5e5e5;
        color: var(--accent-color) !important;
        transform: translateY(-1px);
        text-decoration: none;
        border-color: var(--link-color);
    }
    
    .category-badge i {
        color: var(--link-color);
        margin-right: 0.3rem;
    }
    
    .category-badge:hover i {
        color: var(--accent-color);
    }


.language-switcher {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    justify-content: flex-start;
}

.lang-btn {
    padding: 0.6rem 1.2rem;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    background-color: var(--button-bg);
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    position: relative;
    overflow: hidden;
}

    .lang-btn:hover {
        background-color: var(--button-hover-bg);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px var(--shadow);
        border-color: var(--accent-color);
        color: var(--text-color);
    }

    .lang-btn.active {
        background-color: var(--accent-color);
        color: white !important;
        border-color: var(--accent-color);
        box-shadow: 0 2px 8px var(--shadow);
    }

        .lang-btn.active:hover {
            background-color: var(--accent-color);
            color: white !important;
            opacity: 0.9;
        }


.post-cover-image {
    position: relative;
    margin: 0 0 2rem 0;
    overflow: hidden;
    border-radius: 12px;
    width: 100%;
    max-width: 100%;
    height: 400px;
    background-color: #f0f0f0;
}

    .post-cover-image img {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }



.author-info-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--button-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 6px 14px;
    margin: 0rem 0 1rem 0;
    font-size: 0.9rem;
    color: var(--text-color);
    cursor: default;
}

.author-pen-icon {
    font-size: 1.1rem;
    color: var(--accent-color);
}

.author-label {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.7;
    font-weight: 600;
}

.author-info-badge .author-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    background-color: white;
}

.author-info-badge .author-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}


/*
.author-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.25rem 0.75rem;
    background-color: #6c757d;
    color: white;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-left: 8px;
}

.author-badge i {
    font-size: 0.75rem;
}

.author-badge .author-icon {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.3);
}
*/


.post-content {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 3rem;
    max-width: none;
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    border: 1px solid var(--border-color);
    word-wrap: break-word;
    overflow-wrap: break-word;

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Noto Sans JP', sans-serif;
}

    .post-content h1,
    .post-content h2,
    .post-content h3,
    .post-content h4,
    .post-content h5,
    .post-content h6 {
        color: var(--text-color);
        margin-top: 2.5rem;
        margin-bottom: 1rem;
        font-weight: 600;
        line-height: 1.3;
    }

    .post-content h1 {
        font-size: 2rem;
        border-bottom: 2px solid var(--accent-color);
        padding-bottom: 0.5rem;
    }

    .post-content h2 {
        font-size: 1.75rem;
        border-left: 4px solid var(--accent-color-alt);
        padding-left: 1rem;
    }

    .post-content h3 {
        font-size: 1.5rem;
        color: var(--accent-color);
    }

    .post-content p {
        margin: 0 0 0.5rem 0;
        line-height: 1.6;
        text-align: left;
        word-break: break-word;
        overflow-wrap: break-word;
        white-space: normal;
        hyphens: none;
        -webkit-hyphens: none;
        -ms-hyphens: none;
    }


    .post-content p:last-child {
        margin-bottom: 0;
    }

    .post-content img:not(.embed-card-wrapper img) {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        margin: 1.5rem 0;
        box-shadow: 0 4px 12px var(--shadow);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        cursor: pointer;
    }

        .post-content img:not(.embed-card-wrapper img):hover {
            transform: scale(1.02);
            box-shadow: 0 8px 24px var(--shadow);
        }

    .post-content blockquote {
        border-left: 4px solid var(--accent-color);
        margin: 1.5rem 0;
        padding: 1rem 1.5rem;
        background-color: var(--button-bg);
        border-radius: 0 8px 8px 0;
        font-style: italic;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .post-content code {
        background-color: var(--button-bg);
        color: var(--accent-color);
        padding: 0.2rem 0.4rem;
        border-radius: 4px;
        font-family: 'Courier New', monospace;
        font-size: 0.9em;
        border: 1px solid var(--border-color);
    }

    .post-content pre {
        background-color: var(--button-bg);
        padding: 1rem;
        border-radius: 8px;
        overflow-x: auto;
        margin: 1rem 0;
        border: 1px solid var(--border-color);
    }

        .post-content pre code {
            background-color: transparent;
            color: var(--text-color);
            padding: 0;
            border: none;
        }

    .post-content ul,
    .post-content ol {
        margin-bottom: 1.2rem;
        padding-left: 1.5rem;
    }

    .post-content li {
        margin-bottom: 0.5rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .post-content a:not(.embed-card) {
        color: var(--link-color) !important;
        text-decoration: none;
        border-bottom: 1px dotted var(--link-color);
        transition: all 0.3s ease;
        word-break: normal;
        overflow-wrap: break-word;
    }

        .post-content a:not(.embed-card):hover {
            color: var(--accent-color) !important;
            border-bottom: 1px solid var(--accent-color);
        }

        .post-content a:not(.embed-card):focus {
            outline: none;
        }


    .post-content blockquote + .embed-card-wrapper,
    .post-content .embed-card-wrapper + blockquote,
    .post-content pre + .embed-card-wrapper,
    .post-content .embed-card-wrapper + pre {
        margin-top: 2rem !important;
    }


.post-actions {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    border: 1px solid var(--border-color);
    margin-top: 2rem;
    flex-wrap: wrap;
}

.action-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

    .action-btn:disabled {
        opacity: 0.6;
        cursor: not-allowed;
    }

.like-btn {
    background-color: #dc3545;
    color: white !important;
    border-color: #dc3545;
}

    .like-btn:hover:not(:disabled) {
        background-color: #c82333;
        color: white !important;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
    }

.share-btn {
    background-color: #f0f0f0;
    color: #030303 !important;
    border-color: transparent;
}

    .share-btn:hover {
        background-color: #e5e5e5;
        color: #030303 !important;
        transform: translateY(-2px);
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

.back-btn {
    background-color: var(--accent-color);
    color: white !important;
    border-color: var(--accent-color);
}

    .back-btn:hover {
        background-color: var(--accent-color);
        color: white !important;
        opacity: 0.9;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
    }


.loading-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}


.post-tags {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    border: 1px solid var(--border-color);
}

    .post-tags h6 {
        margin-bottom: 1rem;
        color: var(--text-color);
        font-weight: 600;
    }

.tag-item {
    display: inline-block;
    padding: 0.4rem 1rem;
    margin: 0.3rem 0.3rem 0.3rem 0;
    background-color: #f0f0f0; /* デフォルトの背景色 */
    color: white !important;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}


    .tag-item[style*="background-color"] {
        opacity: 0.85;
        filter: saturate(0.7) brightness(1.2);
    }

    .tag-item:hover {
        transform: translateY(-2px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        opacity: 1;
        filter: saturate(0.8) brightness(1.1);
    }


a.tag-item:hover {
    color: #333 !important;
    text-decoration: none;
}

a.tag-item[style*="background-color"]:hover {
    color: white !important;
    text-decoration: none;
}


.content-loading {
    opacity: 0.6;
    transition: opacity 0.3s ease;
    position: relative;
}



.table-of-contents {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0 30px 0;
    box-shadow: 0 2px 8px var(--shadow);
}

    .table-of-contents h2 {
        margin: 0 0 16px 0;
        font-size: 18px;
        font-weight: 600;
        color: var(--text-color);
        display: flex;
        align-items: center;
        gap: 8px;
    }

        .table-of-contents h2::before {
            content: '\f0ca';
            font-family: 'Font Awesome 5 Free';
            font-weight: 900;
            color: var(--accent-color);
            font-size: 16px;
        }

    .table-of-contents ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .table-of-contents li {
        margin-bottom: 8px;
    }

    .table-of-contents a {
        color: #030303;
        text-decoration: none;
        display: block;
        padding: 6px 12px;
        border-radius: 4px;
        transition: all 0.2s ease;
        border-left: 3px solid transparent;
        background-color: transparent;
    }

        .table-of-contents a:hover {
            background-color: #f0f0f0;
            color: #030303;
            border-left-color: #030303;
            text-decoration: none;
        }

        .table-of-contents a:focus {
            outline: none;
        }

    .table-of-contents .toc-h2 {
        font-weight: 500;
    }

    .table-of-contents .toc-h3 {
        font-size: 14px;
        margin-left: 16px;
        opacity: 0.8;
    }


@media (max-width: 768px) {
    .post-detail {
        padding: 1.5rem 0;
    }
    .post-content p {
        text-align: left !important;
        word-break: break-word;
        overflow-wrap: break-word;
        hyphens: none;
    }
    

    .post-content a:not(.embed-card) {
        word-break: break-all;
    }
    

    .author-info-badge {
        padding: 5px 12px;
        font-size: 0.85rem;
        gap: 6px;
    }
    
    .author-pen-icon {
        font-size: 1rem;
    }
    
    .author-info-badge .author-icon {
        width: 20px;
        height: 20px;
    }
    
    .author-info-badge .author-name {
        font-size: 0.85rem;
    }

    post-header {
        padding: 0rem 0rem 0rem 0rem
    }

    .post-title {
        font-size: 2.2rem;
        line-height: 1.3;
    }

    .post-meta {
        gap: 0.5rem;
    }
    
    .meta-row {
        font-size: 0.8rem;
        gap: 0.75rem;
    }

        .meta-row span {
            white-space: nowrap;
        }

        .meta-row i {
            font-size: 0.7rem;
        }
        

    .category-badge{
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }

    .language-switcher {
        justify-content: center;
        width: 100%;
        margin-bottom: 1rem;
    }

    .lang-btn {
        flex: 1;
        justify-content: center;
        min-width: 120px;
    }

    .post-actions {
        flex-direction: column;
        gap: 0.75rem;
    }

    .action-btn {
        text-align: center;
        justify-content: center;
        width: 100%;
    }

    .post-content {
        font-size: 1.1rem;
        line-height: 1.5;
        padding: 1.5rem;
    }
    

    .post-content p {
        margin: 0 0 0.5rem 0;
        line-height: 1.5;
    }

        .post-content h1 {
            font-size: 1.75rem;
        }

        .post-content h2 {
            font-size: 1.5rem;
        }

        .post-content h3 {
            font-size: 1.25rem;
        }

    .post-header {
        padding: 0.7rem;
    }

    .post-tags {
        text-align: center;
        padding: 1rem;
    }


    .post-cover-image {
        margin: 0 0 1.5rem 0;
        height: 300px;
    }
}

@media (max-width: 480px) {
    .post-detail {
        padding: 1.2rem 0;
    }

    .post-title {
        font-size: 1.5rem;
    }


    .post-meta {
        gap: 0.4rem;
    }
    
    .meta-row {
        font-size: 0.75rem;
        gap: 0.5rem;
    }


    .category-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
        margin-right: 0.3rem;
    }


    .post-cover-image {
        height: 200px;
    }

    .language-switcher {
        flex-direction: column;
        gap: 0.5rem;
    }

    .lang-btn {
        width: 100%;
    }

    .post-content {
        padding: 1rem;
    }

    .post-header {
        padding: 0.7rem;
    }

    .post-actions {
        padding: 1rem;
    }

    .post-tags {
        padding: 1rem;
    }
}


.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    background-color: var(--notification-bg, #333);
    color: var(--notification-color, #fff);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    max-width: 300px;
}

    .notification.show {
        transform: translateY(0);
        opacity: 1;
    }

.notification-success {
    --notification-bg: #4caf50;
    --notification-color: #fff;
}

.notification-error {
    --notification-bg: #f44336;
    --notification-color: #fff;
}

.notification-info {
    --notification-bg: #2196f3;
    --notification-color: #fff;
}


@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}


.lang-btn:focus,
.action-btn:focus,
.tag-item:focus {
    outline: 2px solid var(--accent-color-alt);
    outline-offset: 2px;
}


.comments-section {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.comments-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .comments-title i {
        color: var(--accent-color);
    }


.comment-form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    box-shadow: 0 2px 8px var(--shadow);
    border: 1px solid var(--border-color);
}

    .comment-form h4 {
        margin-bottom: 1.5rem;
        color: var(--text-color);
        font-weight: 600;
    }

    .comment-form .form-control {
        background-color: var(--input-bg);
        border-color: var(--border-color);
        color: var(--text-color);
    }

        .comment-form .form-control:focus {
            background-color: var(--input-bg);
            border-color: var(--accent-color);
            color: var(--text-color);
            box-shadow: 0 0 0 0.2rem rgba(var(--accent-color-rgb), 0.25);
        }

    .comment-form .form-text {
        color: var(--text-muted);
        font-size: 0.875rem;
    }


.comments-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.comment-item {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

    .comment-item:hover {
        box-shadow: 0 4px 12px var(--shadow);
        transform: translateY(-2px);
    }

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.comment-author {
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .comment-author i {
        font-size: 1.2rem;
    }

.comment-date {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.comment-content {
    color: var(--text-color);
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.no-comments {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
    font-style: italic;
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}


@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.comment-item.new {
    animation: slideInUp 0.5s ease;
}


@media (max-width: 768px) {
    .comments-section {
        margin-top: 3rem;
        padding-top: 2rem;
    }

    .comment-form {
        padding: 1.5rem;
    }

    .comment-item {
        padding: 1rem;
    }

    .comment-header {
        flex-direction: column;
        align-items: flex-start;
    }
}


/* ソーシャルリンクエリアと記事詳細の間隔調整 */
.banner-and-links-section + .post-detail {
    padding-top: 1rem; /* 上部の余白を少し減らす */
}

/* モバイルでの調整 */
@media (max-width: 768px) {
    .banner-and-links-section + .post-detail {
        padding-top: 0.5rem;
    }
}

/* URL warning message styles */
.url-warning {
    font-size: 0.875rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.comment-form textarea:invalid {
    border-color: #dc3545;
    background-color: #fff5f5;
}

.comment-form textarea:invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}


@media print {
    .post-actions,
    .language-switcher,
    .breadcrumb,
    .comment-form {
        display: none;
    }

    .post-detail,
    .post-content,
    .post-header,
    .post-tags,
    .comments-section,
    .comment-item {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        border: none !important;
    }

        .post-content img:not(.embed-card-wrapper img) {
            box-shadow: none;
            max-width: 100%;
            page-break-inside: avoid;
        }
}