:root {
    --primary-color: #d1b88e; /* より落ち着いた上品なゴールド・真鍮色 */
    --primary-dark: #a89473;
    --bg-color: #0a0a0a; /* フラットで深い黒 */
    --card-bg: #141414;  /* フラットなダークグレー */
    --text-main: #e0e0e0;
    --text-muted: #7c7c7c;
    --border-color: #242424;
    --accent-red: #8b2222;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 2;
    letter-spacing: 0.08em;
    -webkit-font-smoothing: antialiased;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-title {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
}

header h1 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.2rem;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-family: inherit;
}

header p {
    color: var(--primary-color);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    margin: 0;
    text-transform: uppercase;
    border-left: 1px solid var(--border-color);
    padding-left: 1.5rem;
}

/* Hamburger Menu Button */
.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.hamburger-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-main);
    margin: 5px 0;
    transition: 0.3s;
}

.hamburger-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}
.hamburger-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* グローバルナビゲーション */
.global-nav {
    margin-top: 0;
}

.global-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 2rem;
}

.global-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    transition: color 0.3s;
    position: relative;
    padding-bottom: 0.5rem;
}

.global-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.global-nav a:hover {
    color: var(--text-main);
}

.global-nav a.active {
    color: var(--primary-color);
}

.global-nav a.active::after,
.global-nav a:hover::after {
    width: 100%;
}

main {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

/* 2カラムレイアウト */
.layout-container {
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

/* 左側：サイドバー目次 */
.sidebar-index {
    position: sticky;
    top: 8rem; /* ヘッダーの下に固定 */
    width: 200px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    padding-right: 2rem;
}

.sidebar-index h3 {
    color: var(--primary-color);
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    font-weight: normal;
    margin: 0 0 2rem 0;
    text-transform: uppercase;
}

/* メディアクエリ：スマホ対応 */
@media (max-width: 768px) {
    html {
        font-size: 14px; /* 基本フォントサイズを小さくして全体的に少し小さくする */
    }

    main {
        padding: 0 1rem;
        margin: 1.5rem auto;
    }

    .container {
        padding: 0 1rem;
        margin: 1.5rem auto;
    }

    header {
        padding: 1rem;
    }

    .header-title {
        flex-direction: column;
        gap: 0.3rem;
        align-items: flex-start;
    }

    header h1 {
        font-size: 0.95rem;
        letter-spacing: 0.15em;
    }

    header p {
        border-left: none;
        padding-left: 0;
        font-size: 0.55rem;
    }

    .hamburger-btn {
        display: block;
    }

    .global-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--bg-color);
        border-left: 1px solid var(--border-color);
        transition: 0.3s;
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 100;
    }

    .global-nav.active {
        right: 0;
    }

    .global-nav ul {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 1rem;
}

.sidebar-nav a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.sidebar-nav a:hover {
    color: var(--text-main);
}

.sidebar-nav a:hover::before {
    background-color: var(--primary-color);
}

/* 右側：メインコンテンツ */
.main-content {
    flex-grow: 1;
    min-width: 0;
}

/* カテゴリセクション */
.category-section {
    margin-bottom: 6rem;
    padding-top: 5rem; /* スクロール位置のヘッダー被り防止 */
    margin-top: -5rem; 
}

.category-header {
    margin-bottom: 1.5rem; /* 間隔を狭める */
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.category-header h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.5rem;
    font-weight: normal;
    letter-spacing: 0.2em;
}

.category-subtitle {
    margin: 0;
    color: var(--primary-color);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
}

/* カテゴリごとの説明文 */
.category-description {
    margin-bottom: 2.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.8;
    max-width: 80%;
}

/* 一覧用のグリッド */
.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); /* カードサイズ縮小 */
    gap: 2rem;
}

/* キャラクターカード (ミニキャラ仕様) */
.character-card {
    background: transparent;
    border: none; /* 枠線をなくす */
    border-radius: 0;
    overflow: visible; /* 枠外にはみ出せるように */
    text-decoration: none;
    color: inherit;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mini-chara-wrapper {
    height: 180px; /* ミニキャラを置く領域 */
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end; /* 下揃えにする */
    margin-bottom: 0.2rem;
}

/* 画像がない場合のダミー円・置台演出（削除） */

.mini-chara-img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    z-index: 1; /* 台座の上に配置 */
}

/* 画像がない場合のフォールバック */
.mini-chara-img[src*="placeholder"] {
    opacity: 0; /* ダミー画像なので見えなくする */
}
.mini-chara-wrapper:has(img[src*="placeholder"])::after {
    content: '?';
    position: absolute;
    bottom: 20%;
    color: var(--text-muted);
    font-size: 3rem;
    font-family: inherit;
    z-index: 1;
}

.card-info {
    padding: 1rem;
    background: transparent;
    text-align: center;
    width: 100%;
}

.card-info h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem; /* 少し小さく */
    color: var(--text-main);
    font-weight: normal;
    letter-spacing: 0.15em;
}

.card-info p {
    margin: 0;
    color: var(--primary-dark);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* キャラクター個別ページ用 */
.character-detail {
    background: transparent;
    padding: 2rem 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
    position: relative;
}

.breadcrumb {
    margin-bottom: 2rem;
}

.breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    transition: color 0.3s;
    text-transform: uppercase;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.character-header {
    text-align: center;
    margin-bottom: 5rem;
    padding-bottom: 3rem;
    position: relative;
}

.character-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 1px;
    background-color: var(--primary-color);
}

.character-header h2 {
    font-size: 2.2rem;
    color: var(--text-main);
    margin: 0 0 0.5rem 0;
    font-weight: normal;
    letter-spacing: 0.15em;
}

.character-header .en-name {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.2em; /* 0.5emから短縮 */
    text-transform: uppercase;
    font-family: inherit;
    margin-bottom: 2.5rem;
}

.catchphrase {
    font-size: 1.1rem;
    color: var(--text-main);
    font-style: normal;
    position: relative;
    display: inline-block;
    padding: 0;
    letter-spacing: 0.1em;
}

/* 2カラムレイアウト（立ち絵＋ステータス） */
.character-two-column {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    margin-bottom: 4rem;
    align-items: flex-start;
}

.character-img-col {
    flex: 0 0 600px; /* 固定幅 */
    width: 600px;
    max-width: 100%;
}

.character-info-col {
    flex: 1;
    min-width: 300px;
}

.img-container {
    width: 100%;
    position: static; /* Sticky解除 */
    top: auto;
    border: none;
    padding: 0;
    background: transparent;
    margin-bottom: 2rem; /* 下にコンテンツが続くためのマージン */
}

.standing-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    background: transparent;
}

/* 2カラム時のヘッダー調整 */
.character-info-col .character-header {
    text-align: left;
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
}

.character-info-col .character-header::after {
    left: 0;
    transform: none;
    width: 80px;
}

/* 左カラム（立ち絵 + ステータス）の調整 */
.character-img-col .profile-grid {
    margin-top: 1.5rem;
    display: flex; /* 横並びレイアウトに変更 */
    width: 600px;
    max-width: 100%;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.character-img-col .profile-grid .profile-section {
    background: transparent;
    border: none;
    padding: 1.5rem 0; /* 上下の余白を広げる */
    margin: 0;
    flex: 1; /* 幅を等分に */
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

/* 区切り線 (左側のSTATUSセクションの右側) */
.character-img-col .profile-grid .profile-section:first-child {
    border-right: 1px solid var(--border-color);
    padding-right: 1.5rem;
    margin-right: 1.5rem;
}

.character-img-col .profile-grid .profile-section h3 {
    margin: 0;
    padding: 0;
    border: none;
    font-size: 0.9rem; /* 文字サイズを大きく */
    color: var(--primary-color);
    width: auto;
    letter-spacing: 0.2em;
}

.character-img-col .profile-grid .profile-list {
    margin: 0;
    padding: 0;
    display: block; /* リストアイテムをフローさせる */
}

.character-img-col .profile-grid .profile-list li {
    display: inline; /* インラインで横に並べる */
    margin: 0;
    padding: 0;
    font-size: 0.9rem; /* 文字サイズを大きく */
    line-height: 2; /* 行間を広げて読みやすく */
    color: var(--text-main);
}

.character-img-col .profile-grid .profile-list li::after {
    content: " / ";
    color: var(--primary-dark); /* 区切り線の色を少し目立たせる */
    margin: 0 0.5rem; /* 区切りの間隔を広げる */
    font-weight: normal;
}

.character-img-col .profile-grid .profile-list li:last-child::after {
    content: ""; /* 最後の項目のスラッシュは消す */
}

.character-img-col .profile-grid .profile-list strong {
    width: auto;
    margin: 0;
    color: var(--text-muted);
    font-size: 0.85rem; /* ラベルのサイズも調整 */
    font-weight: normal;
    margin-right: 0.2em;
}

/* 2カラム時のプロフィールグリッド調整 */
.character-info-col .profile-grid {
    grid-template-columns: 1fr; /* 1列積み上げにする */
    gap: 2rem;
    margin-bottom: 0;
}

.character-info-col .profile-grid .profile-section {
    padding: 0;
    border: none;
    background: transparent;
    margin-bottom: 1rem;
}

.character-info-col .profile-grid .profile-section h3 {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    border-left: 3px solid var(--primary-color);
    padding-left: 0.8rem;
    border-bottom: none;
    line-height: 1;
}

/* キャラクター詳細テキスト */
.character-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-top: 2rem;
}

.character-description p {
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

/* キャラクター概要 (SUMMARY / 右カラム) */
.character-description h3 {
    font-size: 0.8rem;
    color: var(--primary-color);
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 0.5rem;
    font-weight: normal;
}

/* プロフィール情報のグリッド表示 */
.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto 4rem auto;
}

.profile-grid .profile-section {
    margin-bottom: 0;
    max-width: none;
    background: rgba(255, 255, 255, 0.02);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.profile-grid .profile-section h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

.profile-grid .profile-list li {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1rem;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 0.5rem;
}

.profile-grid .profile-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.profile-grid .profile-list strong {
    width: 100%;
    margin-bottom: 0.3rem;
    font-size: 0.7rem;
    color: var(--primary-dark);
    letter-spacing: 0.15em;
}

/* 私物・アーティファクト用表示 */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.item-card {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.4s ease;
}

.item-card:hover {
    border-color: var(--primary-color);
    background: transparent;
    transform: translateY(-2px);
}

.item-icon {
    width: 60px;
    height: 60px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    background: #0a0a0a;
}

.item-details h4 {
    margin: 0 0 1rem 0;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: normal;
    border-bottom: none;
    padding-bottom: 0;
    width: 100%;
    letter-spacing: 0.1em;
}

.item-details p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* レコードボタン・モーダル */
.record-list {
    list-style: none;
    padding: 0;
}

.record-list li {
    margin-bottom: 0.5rem;
}

.record-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 1.5rem;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.4s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.record-btn::after {
    content: '[ + ]';
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    transition: color 0.4s;
}

.record-btn:hover {
    border-color: var(--primary-color);
    background: transparent;
    box-shadow: none;
}

.record-btn:hover::after {
    color: var(--primary-color);
}

.modal {
    display: none; 
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(10,10,10,0.9);
    backdrop-filter: blur(8px);
}

.modal-content {
    background-color: var(--bg-color);
    margin: 10% auto;
    padding: 4rem;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 600px;
    box-shadow: none;
    position: relative;
    background-image: none;
}

.close-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.4s;
}

.close-btn:hover {
    color: var(--text-main);
}

.modal-content h2 {
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-top: 0;
    font-weight: normal;
    letter-spacing: 0.15em;
    font-size: 1.2rem;
}

.modal-body {
    margin-top: 2.5rem;
    color: var(--text-muted);
    line-height: 2.2;
    font-size: 0.9rem;
}

/* 汎用ページ（Wiki, Contact等）用スタイル */
.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.page-header {
    text-align: center;
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 2rem;
}

.page-header h2 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin: 0 0 0.5rem 0;
    letter-spacing: 0.2em;
    font-weight: normal;
}

.page-header p {
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    margin: 0;
}

.text-section {
    margin-bottom: 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
}

.text-section h3 {
    color: var(--primary-color);
    font-weight: normal;
    font-size: 1rem;
    letter-spacing: 0.2em;
    border-left: 2px solid var(--primary-color);
    padding-left: 1rem;
    margin-bottom: 2rem;
}

.text-section p {
    color: var(--text-muted);
    font-size: 0.95rem; /* サイズも少し揃える */
    letter-spacing: 0.05em;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* 辞書リスト（Wiki用） */
.dictionary-list {
    margin: 0;
}

.dictionary-list dt {
    color: var(--text-main);
    font-weight: normal;
    font-size: 0.95rem;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.dictionary-list dd {
    margin: 0 0 0 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 2;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* フォーム（Contact用） */
.contact-form {
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 1rem;
    font-family: inherit;
    font-size: 0.9rem;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 1rem 3rem;
    font-family: inherit;
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    cursor: pointer;
    transition: all 0.3s ease;
    display: table;
    margin: 3rem auto 0;
}

.submit-btn:hover {
    background: var(--primary-color);
    color: var(--bg-color);
}

footer {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

/* Wiki用テーブル */
.sub-heading {
    color: var(--primary-color);
    font-weight: normal;
    font-size: 1rem;
    letter-spacing: 0.15em;
    margin-top: 3rem;
    margin-bottom: 1rem;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 0.5rem;
}

.wiki-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    font-size: 0.85rem;
    color: var(--text-main);
}

.wiki-table th,
.wiki-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.wiki-table th {
    color: var(--text-muted);
    font-weight: normal;
    letter-spacing: 0.1em;
    width: 30%;
}

.wiki-table td {
    line-height: 1.8;
}

/* タイムライン用UI */
.timeline {
    position: relative;
    margin-left: 1rem;
    border-left: 2px solid var(--border-color);
    padding-left: 1.5rem;
    margin-bottom: 3.5rem;
}

.timeline-item {
    position: relative;
    margin-block: 2rem;
}

.timeline-date {
    font-weight: normal;
    color: var(--text-main);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

.timeline-content {
    margin-top: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.8;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1.5rem - 7px); /* 線の中央にドットを配置 */
    top: 0.15rem;
    width: 12px;
    height: 12px;
    background: #0a0a0a;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
}

/* =========================================
   Interactive Map (よながのくに)
   ========================================= */
.map-wrap {
    position: relative; 
    padding: 75% 0 0; 
    overflow: hidden; 
    cursor: grab;
    background-color: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}
.map-canvas {
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
}
.op-icon {
    width: 2rem; 
    height: 2rem; 
    line-height: 2rem; 
    color: var(--bg-color); 
    font-weight: bold; 
    text-align: center; 
    background: var(--primary-color); 
    border-radius: 3px; 
    cursor: pointer;
    user-select: none;
}
.op-icon:hover {
    background: var(--primary-dark); 
}
.op-zoom { position: absolute; right: 10px; bottom: 10px; display: flex; gap: 0 5px; }
.op-left { position: absolute; top: 0; bottom: 0; left: 10px;  margin: auto; }
.op-right { position: absolute; top: 0; right: 10px; bottom: 0; margin: auto; }
.op-up { position: absolute; top: 10px; right: 0; left: 0; margin: auto; }
.op-down { position: absolute; right: 0; bottom: 10px; left: 0; margin: auto; }

.map-nav-wrap {
    display: flex; 
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 1rem; 
    margin: 20px 0 3rem;
}
.map-nav-btn {
    padding: 0.5rem 1.5rem; 
    color: var(--text-main); 
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    background-color: transparent; 
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s;
}
.map-nav-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* カテゴリタグ */
.category-tag {
    display: inline-block;
    border: 1px solid var(--primary-color);
    padding: 0.2rem 1rem;
    font-size: 0.75rem;
    color: var(--primary-color);
    letter-spacing: 0.15em;
    margin-right: 1rem;
    margin-bottom: 1.5rem;
}

.category-tag strong {
    font-weight: normal;
    color: var(--text-main);
    margin-left: 0.5rem;
}

/* 発言窓（Speech Box） */
.speech-box {
    position: relative;
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    margin-top: 1rem;
    margin-bottom: 2rem;
    border-radius: 0;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.speech-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border: none;
    background: transparent;
}

.speech-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.speech-content {
    flex-grow: 1;
}

.speech-box p {
    margin: 0;
    color: var(--text-main);
    font-size: 0.95rem;
    line-height: 1.8;
    font-style: normal;
    letter-spacing: 0.05em;
}

/* 用語集（Terminology）リストスタイル */
.term-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.term-card {
    display: block;
    text-decoration: none;
    border: 1px solid var(--border-color);
    background: transparent;
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.term-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.term-img-wrapper {
    width: 100%;
    height: 200px; /* 画像サイズに合わせて調整 */
    background-color: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-bottom: none;
    transition: background-color 0.3s;
}

.term-card:hover .term-img-wrapper {
    background-color: rgba(255, 255, 255, 0.05);
}

.term-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    mix-blend-mode: luminosity; /* 画像を少し落ち着かせる */
    transition: mix-blend-mode 0.3s;
}

.term-card:hover .term-img {
    mix-blend-mode: normal;
}

.term-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    background: linear-gradient(to top, rgba(0,0,0,0.9), rgba(0,0,0,0));
    box-sizing: border-box;
    z-index: 2;
}

.term-info h2 {
    margin: 0;
    font-size: 1.4rem;
    color: #fff;
    font-weight: normal;
    letter-spacing: 0.15em;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

.term-info p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--primary-color);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}

/* プレースホルダーアイコン用スタイル（画像がない場合） */
.term-placeholder-icon {
    font-size: 4rem;
    color: var(--text-muted);
    opacity: 0.5;
}

/* =========================================
   レスポンシブ対応 (SP向け)
   ========================================= */
@media (max-width: 768px) {
    html {
        font-size: 14px; /* 基本フォントサイズを小さくして全体的に少し小さくする */
    }

    main {
        padding: 0 1rem;
        margin: 1.5rem auto;
    }

    .container {
        padding: 0 1rem;
        margin: 1.5rem auto;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .layout-container {
        flex-direction: column;
        gap: 2rem;
    }

    .sidebar-index {
        position: static;
        width: 100%;
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1.5rem;
    }

    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .character-two-column {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    .character-img-col, .character-info-col {
        display: contents;
    }

    .img-container {
        order: 1;
        margin-bottom: 0;
    }

    .character-header {
        order: 2;
    }

    .character-description {
        order: 3;
    }

    .profile-grid {
        order: 4;
        margin-top: 1rem;
    }

    .character-img-col .profile-grid {
        flex-direction: column;
        width: 100%;
    }

    .character-img-col .profile-grid .profile-section:first-child {
        border-right: none;
        padding-right: 0;
        margin-right: 0;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .character-info-col {
        min-width: 100%;
    }

    .character-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .category-section {
        margin-bottom: 4rem;
        padding-top: 2rem;
        margin-top: -2rem;
    }

    .category-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .category-description {
        max-width: 100%;
    }

    .profile-grid {
        grid-template-columns: 1fr;
    }

    .speech-box {
        flex-direction: row;
        text-align: left;
        gap: 1rem;
        padding: 1.5rem 1rem;
    }

    .speech-icon {
        width: 50px;
        height: 50px;
    }

    .term-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1rem;
    }
    
    .term-img-wrapper {
        height: auto;
        aspect-ratio: 7 / 2;
    }

    .modal-content {
        padding: 2rem 1.5rem;
        width: 95%;
        margin: 15% auto;
    }

    .close-btn {
        top: 1rem;
        right: 1.5rem;
    }

    .character-header h2 {
        font-size: 1.8rem;
    }
}