/*
Theme Name: Adult Manga Review Theme
Author: Gemini
Version: 6.0.0 (Final)
*/

/* --- 1. CSS変数 (デザインの基本設定) --- */
:root {
    --color-background: #1a1a1a; /* 背景色 (黒) */
    --color-surface: #2c2c2c;   /* カードなどの表面色 */
    --color-primary: #ff8fab;   /* プライマリカラー (薄ピンク) */
    --color-primary-dark: #e07a94;
    --color-text: #e0e0e0;       /* 基本テキスト色 */
    --color-text-muted: #888;    /* 補足テキスト色 */
    --color-border: #444;
    --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --container-width: 1200px;
    --card-border-radius: 8px;
    --transition-speed: 0.3s;
}

/* --- 2. Global Styles (最重要・背景色を強制指定) --- */
html, body {
    background-color: var(--color-background) !important;
}

body {
    color: var(--color-text);
    font-family: var(--font-family-base);
    margin: 0;
    line-height: 1.6;
}

*, *::before, *::after {
    box-sizing: border-box;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed);
}
a:hover {
    color: #fff;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
h1, h2, h3, h4, h5, h6 {
    color: #fff;
    font-weight: 700;
}

/* --- 3. Layout (レイアウト) --- */
.site-main {
    max-width: var(--container-width);
    margin: 2rem auto;
    padding: 0 1rem;
}
.archive-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* --- 4. Header (ヘッダー) --- */
.site-header {
    background-color: var(--color-surface);
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
}
.site-header .header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-branding a {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
}

/* --- 5. Footer (フッター) --- */
.site-footer {
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 3rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

/* --- 6. Manga Grid & Card (作品グリッドとカード) --- */
.manga-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
}
.manga-card {
    background-color: var(--color-surface);
    border-radius: var(--card-border-radius);
    overflow: hidden;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    display: flex;
    flex-direction: column;
}
.manga-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}
.manga-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.manga-card-thumbnail {
    aspect-ratio: 3 / 4;
    background-color: #111;
}
.manga-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.manga-card-content {
    padding: 10px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.manga-card-title {
    font-size: 0.9rem;
    margin: 0 0 5px 0;
    line-height: 1.3;
    color: var(--color-text);
}
.manga-card-rating {
    display: flex;
    align-items: center;
    font-size: 0.8rem;
}
.rating-value {
    margin-left: 5px;
    color: var(--color-text-muted);
}

/* --- 7. Star Rating (星評価) --- */
.star-rating {
    --percent: calc(var(--rating) / 5 * 100%);
    display: inline-block;
    font-size: 1rem;
    font-family: Times;
    line-height: 1;
}
.star-rating::before {
    content: '★★★★★';
    letter-spacing: 3px;
    background: linear-gradient(90deg, var(--color-primary) var(--percent), #444 var(--percent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- 8. Front Page Sections (トップページのセクション) --- */
.manga-section {
    margin-bottom: 4rem;
}
.section-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.genre-tag {
    background-color: var(--color-surface);
    color: var(--color-text);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: background-color var(--transition-speed);
}
.genre-tag:hover {
    background-color: var(--color-primary);
    color: #111;
}

/* --- 9. Single Manga Page (個別記事ページ) --- */
.manga-single-page .manga-article-vertical {
    max-width: 720px;
    margin: 0 auto;
}
.manga-header { margin-bottom: 2rem; }
.manga-breadcrumb { color: var(--color-text-muted); font-size: 0.9rem; }
.manga-title { font-size: 2.2rem; margin-top: 0.5rem; }
.section-title-underlined {
    font-size: 1.5rem;
    margin: 2.5rem 0 1.5rem 0;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0.75rem;
}
.manga-cover-section {
    margin-bottom: 2rem;
    text-align: center;
}
.manga-cover-image {
    max-width: 350px;
    margin: 0 auto;
    border-radius: var(--card-border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.manga-main-cta { margin-top: 1.5rem; }
.cta-button.primary {
    display: inline-block;
    background: linear-gradient(45deg, var(--color-primary), var(--color-primary-dark));
    color: #111;
    font-weight: bold;
    font-size: 1.2rem;
    padding: 15px 30px;
    border-radius: 50px;
    text-align: center;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    box-shadow: 0 5px 15px rgba(255, 143, 171, 0.3);
}
.cta-button.primary:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 143, 171, 0.5);
}
.cta-button .cta-text { display: block; }
.cta-button .cta-subtext { display: block; font-size: 0.8rem; opacity: 0.8; margin-top: 2px; }
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}
.info-item {
    background-color: var(--color-surface);
    padding: 1rem;
    border-radius: var(--card-border-radius);
}
.info-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}
.info-value {
    font-size: 1.1rem;
    font-weight: 500;
    color: #fff;
}
.description-content {
    background-color: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--card-border-radius);
}
.gallery-note { font-size: 0.9rem; color: var(--color-text-muted); font-weight: normal; }
.review-list { display: flex; flex-direction: column; gap: 1.5rem; }
.review-item {
    background-color: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--card-border-radius);
    border-left: 4px solid var(--color-primary);
}
.review-title { margin: 0 0 0.5rem 0; font-size: 1.2rem; }
.review-meta { display: flex; align-items: center; gap: 1rem; color: var(--color-text-muted); font-size: 0.9rem; }
.review-text { margin: 1rem 0 0 0; }
.related-grid { margin-top: 1.5rem; }

/* --- 10. Responsive (レスポンシブ対応) --- */
@media (max-width: 768px) {
    .manga-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 15px; }
    .manga-title { font-size: 1.8rem; }
    .section-title { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .manga-grid { grid-template-columns: repeat(2, 1fr); }
    .manga-card-title { font-size: 0.8rem; }
}

/* --- 11. Advanced Manga Lightbox --- */
.manga-advanced-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.manga-advanced-lightbox.is-active {
    opacity: 1;
    visibility: visible;
}
body.lightbox-is-active {
    overflow: hidden;
}
.manga-advanced-lightbox .swiper-container {
    width: 100%;
    height: 100%;
}
.manga-advanced-lightbox .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.cover-slide .swiper-zoom-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}
.cover-slide img {
    max-width: 90vw;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
}
.split-page-wrapper {
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center center;
    /* ▼▼▼【改善点1】クロップ率を強化。画像を画面の2.5倍の幅に拡大し、より中央にズームアップ ▼▼▼ */
    background-size: 250% auto;
    cursor: grab;
}
.split-page-wrapper.page-left {
    background-position: left center;
}
.split-page-wrapper.page-right {
    background-position: right center;
}
.lightbox-close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    background: rgba(0,0,0,0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    font-size: 32px;
    line-height: 44px;
    text-align: center;
    cursor: pointer;
    z-index: 10;
    transition: transform 0.2s, background-color 0.2s;
}
.lightbox-close-button:hover {
    background-color: rgba(255,0,0,0.8);
    transform: scale(1.1);
}
.manga-advanced-lightbox .swiper-button-next,
.manga-advanced-lightbox .swiper-button-prev {
    color: #fff;
    opacity: 0.5;
    transition: opacity 0.2s, transform 0.2s;
}
.manga-advanced-lightbox .swiper-button-next:hover,
.manga-advanced-lightbox .swiper-button-prev:hover {
    opacity: 1;
    transform: scale(1.2);
}
.manga-advanced-lightbox .swiper-pagination-fraction {
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    width: auto;
    font-size: 14px;
}
.thumbnail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
}
.thumbnail-grid a {
    aspect-ratio: 1 / 1;
    border-radius: 8px;
    overflow: hidden;
    transition: opacity 0.3s, transform 0.3s;
    cursor: pointer;
}
.thumbnail-grid a:hover {
    opacity: 0.8;
    transform: scale(1.05);
}
.thumbnail-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- ▼▼▼【改善点2】PC（幅広画面）でのライトボックス表示を最適化 ▼▼▼ --- */
@media (min-width: 1024px) {
    /* ライトボックスのコンテナ自体が広がりすぎないように制御 */
    .manga-advanced-lightbox .swiper-container {
        width: auto;
        height: 95vh; /* 画面の高さを基準にサイズを決定 */
        max-width: 90vw; /* 横幅が広くなりすぎないように制限 */
        /* 漫画の単ページに近い、美しい縦横比を維持 */
        aspect-ratio: 10 / 15;
        border-radius: 8px; /* 角を少し丸める */
        overflow: hidden; /* はみ出した部分を隠す */
    }

    /* PC用に最適化されたコンテナ内では、分割表示のズーム率を少し戻してバランスを取る */
    .split-page-wrapper {
        background-size: 210% auto;
    }
}