/* ============================================================
   nazotoki-style.css
   謎解きイベント専用スタイル

   【毎年の更新箇所】
   1. :root の --nz-color-* を変更するだけでテーマカラーが変わる
   2. --nz-bg-texture に背景テクスチャ画像URLを設定
   ============================================================ */

/* ============================================================
   ★★★ 毎年ここだけ変える ★★★
   2025年：クラフト紙×ベージュ　文学ミステリー調
   2026年以降：--nz-color-* を変更する
============================================================ */
:root {
    /* --- テーマカラー --- */
    --nz-color-primary:    #3a2c1e;
    --nz-color-accent:     #8b6914;
    --nz-color-accent2:    #c0392b;
    --nz-color-bg:         #f0e8d8;
    --nz-color-bg-dark:    #d4c4a8;
    --nz-color-nav-bg:     #2c1f0e;
    --nz-color-nav-text:   #f0e8d8;
    --nz-color-nav-hover:  #8b6914;
    --nz-color-section-title: #3a2c1e;
    --nz-color-divider:    #8b6914;

    /* --- タイポグラフィ --- */
    --nz-font-display: 'Shippori Mincho', 'ヒラギノ明朝 ProN', 'HiraMinProN-W3', serif;
    --nz-font-body:    'Noto Serif JP', 'ヒラギノ明朝 ProN', serif;
    --nz-font-latin:   'Playfair Display', serif;

    /* --- スペーシング --- */
    --nz-section-gap:  80px;
    --nz-content-width: 1000px;
}

/* ============================================================
   リセット・基本
============================================================ */
.nazotoki-page {
    background-color: var(--nz-color-bg);
    background-image:
        repeating-linear-gradient(
            180deg,
            transparent,
            transparent 28px,
            rgba(180, 150, 110, 0.12) 28px,
            rgba(180, 150, 110, 0.12) 30px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 58px,
            rgba(180, 150, 110, 0.10) 58px,
            rgba(180, 150, 110, 0.10) 60px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 28px,
            rgba(180, 150, 110, 0.10) 28px,
            rgba(180, 150, 110, 0.10) 30px
        );
    background-size: 60px 30px, 60px 60px, 60px 60px;
    background-position: 0 0, 0 0, 30px 30px;
    color: var(--nz-color-primary);
    font-family: var(--nz-font-body);
    line-height: 1.8;
    margin: 0;
    padding: 0;
}

/* Swellのヘッダー・フッターを非表示 */
.nazotoki-page #site-header,
.nazotoki-page #page-header,
.nazotoki-page #site-footer,
.nazotoki-page .l-footer,
.nazotoki-page .l-header,
.nazotoki-page #navi,
.nazotoki-page .c-gnav,
.nazotoki-page #breadcrumb,
.nazotoki-page .go-to-top {
    display: none !important;
}

/* ============================================================
   ナビゲーション
============================================================ */
.nz-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nz-color-nav-bg);
    border-bottom: 2px solid var(--nz-color-accent);
}

.nz-nav__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nz-nav__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.nz-nav__list li a {
    display: block;
    padding: 14px 12px;
    color: var(--nz-color-nav-text);
    text-decoration: none;
    font-size: 0.7rem;
    font-family: var(--nz-font-latin);
    letter-spacing: 0.08em;
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
}

.nz-nav__list li a:hover {
    color: var(--nz-color-nav-hover);
    background: rgba(255,255,255,0.05);
}

.nz-nav__list li a.is-active {
    color: var(--nz-color-nav-hover);
}

/* ハンバーガー（SP用） */
.nz-nav__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    margin-left: auto;
}

.nz-nav__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--nz-color-nav-text);
    transition: transform 0.3s, opacity 0.3s;
}

/* ============================================================
   メインコンテンツ共通
============================================================ */
.nz-main {
    padding-top: 50px;
}

.nz-section {
    max-width: var(--nz-content-width);
    margin: 0 auto;
    padding: var(--nz-section-gap) 0px 40px;
}

@media (max-width: 768px) {
    .nz-section {
        padding: var(--nz-section-gap) 24px;
    }
}

.nz-section--wide {
    max-width: 100%;
    padding: var(--nz-section-gap) 40px;
}

/* ============================================================
   セクション見出し（SWELLデフォルトを完全リセット）
============================================================ */
.nazotoki-page h2,
.nazotoki-page h2::before,
.nazotoki-page h2::after {
    border: none !important;
    background: none !important;
    box-shadow: none !important;
    padding-left: 0 !important;
}

.nz-main h2 {
    font-family: var(--nz-font-display);
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    color: var(--nz-color-section-title);
    letter-spacing: 0.08em;
    margin-bottom: 1.5em;
    padding: 0 0 0.6em 0 !important;
    border: none !important;
    border-bottom: 1px solid var(--nz-color-accent) !important;
    position: relative;
}

.nz-main h2::after {
    content: '' !important;
    display: block !important;
    width: 3em;
    height: 3px;
    background: var(--nz-color-accent) !important;
    position: absolute;
    bottom: -1px;
    left: 0;
}

/* ============================================================
   メインビジュアル
============================================================ */
.nz-mv { width: 100%; position: relative; overflow: hidden; }
.nz-mv img { width: 100%; height: auto; display: block; }
.nz-mv-pc { display: block; }
.nz-mv-sp { display: none; }

/* ============================================================
   お知らせセクション
============================================================ */
.nz-notice {
    background: rgba(255,255,255,0.5);
    border: 1px solid var(--nz-color-accent);
    border-radius: 4px;
    padding: 24px 32px;
    margin-bottom: 2em;
}

.nz-notice h3 {
    font-family: var(--nz-font-display);
    color: var(--nz-color-accent2);
    margin-top: 0;
}

/* ============================================================
   フッター
============================================================ */
.nz-footer {
    background: var(--nz-color-nav-bg);
    color: var(--nz-color-nav-text);
    padding: 40px 20px;
    margin-top: var(--nz-section-gap);
    text-align: center;
    border-top: 2px solid var(--nz-color-accent);
}

.nz-footer__inner {
    max-width: var(--nz-content-width);
    margin: 0 auto;
}

.nz-footer__copy { font-size: 0.85rem; margin-bottom: 0.5em; }

.nz-footer__contact { font-size: 0.8rem; opacity: 0.8; }

.nz-footer__contact a {
    color: var(--nz-color-nav-text);
    text-decoration: underline;
    margin: 0 6px;
}

.nz-footer__sns {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 16px 0;
}

.nz-footer__sns a {
    color: var(--nz-color-nav-text);
    opacity: 0.7;
    transition: opacity 0.2s;
}

.nz-footer__sns a:hover { opacity: 1; }

.nz-footer__back a {
    font-size: 0.8rem;
    color: var(--nz-color-accent);
    text-decoration: none;
}

/* ============================================================
   レスポンシブ
============================================================ */
@media (max-width: 768px) {
    :root { --nz-section-gap: 48px; }

    .nz-nav__list {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: var(--nz-color-nav-bg);
        border-top: 1px solid var(--nz-color-accent);
    }

    .nz-nav__list.is-open { display: flex; }

    .nz-nav__list li a {
        padding: 14px 24px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        font-size: 0.85rem;
    }

    .nz-nav__hamburger { display: flex; }

    .nz-nav__hamburger.is-open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nz-nav__hamburger.is-open span:nth-child(2) { opacity: 0; }
    .nz-nav__hamburger.is-open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .nz-mv-pc { display: none; }
    .nz-mv-sp { display: block; }

    .nz-section--wide { padding: var(--nz-section-gap) 20px; }
}

@media (max-width: 480px) {
    .nz-nav__list li a {
        font-size: 0.8rem;
        padding: 12px 20px;
    }
}

/* ============================================================
   ダーク背景セクション（Rule等に使用）
   外側グループ → nz-section-dark
   内側グループ → nz-section-inner
============================================================ */
.nz-section-dark {
    background-color: var(--nz-color-nav-bg);
    background-image:
        repeating-linear-gradient(
            180deg,
            transparent,
            transparent 28px,
            rgba(255, 255, 255, 0.04) 28px,
            rgba(255, 255, 255, 0.04) 30px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 58px,
            rgba(255, 255, 255, 0.03) 58px,
            rgba(255, 255, 255, 0.03) 60px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 28px,
            rgba(255, 255, 255, 0.03) 28px,
            rgba(255, 255, 255, 0.03) 30px
        );
    background-size: 60px 30px, 60px 60px, 60px 60px;
    background-position: 0 0, 0 0, 30px 30px;
    width: 100%;
    padding: var(--nz-section-gap) 0;
}

.nz-section-dark .nz-section-inner {
    max-width: var(--nz-content-width);
    margin: 0 auto;
    padding: 0 40px;
}

.nz-section-dark,
.nz-section-dark p,
.nz-section-dark li {
    color: var(--nz-color-bg);
}

.nz-section-dark h2 {
    color: var(--nz-color-bg) !important;
    border-bottom-color: var(--nz-color-accent) !important;
}

.nz-section-dark h2::after {
    background: var(--nz-color-accent) !important;
}

.nz-section-dark h3 {
    color: var(--nz-color-accent);
}

@media (max-width: 768px) {
    .nz-section-dark .nz-section-inner {
        padding: 0 24px;
    }
}

/* ============================================================
   遊び方 カラムレイアウト
   カラムブロックに nz-rule-columns を設定
   Step番号はH3に直接テキストで書く（例：「Step 4. タイトル」）
============================================================ */
.nz-rule-columns .wp-block-column {
    border-right: 1px dashed rgba(255, 255, 255, 0.15);
    padding: 0 24px;
    display: flex;
    flex-direction: column;
}

.nz-rule-columns .wp-block-column:first-child {
    padding-left: 0;
}

.nz-rule-columns .wp-block-column:last-child {
    border-right: none;
    padding-right: 0;
}

.nz-rule-columns .wp-block-column h3 {
    color: var(--nz-color-bg);
    font-family: var(--nz-font-display);
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 12px;
    margin-bottom: 16px;
    text-align: center;
}

/* Step番号（H3の上に小さく表示） */
.nz-rule-columns .wp-block-column h3 .nz-step-num {
    display: block;
    font-family: var(--nz-font-latin);
    font-size: 0.7rem;
    color: var(--nz-color-accent);
    letter-spacing: 0.15em;
    margin-bottom: 6px;
}

@media (max-width: 768px) {
    .nz-rule-columns .wp-block-column {
        border-right: none;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
        padding: 16px 0;
    }
    .nz-rule-columns .wp-block-column:last-child {
        border-bottom: none;
    }
}

/* ============================================================
   ボタン
   ブロックエディタのボタンブロックに nz-btn を設定
============================================================ */
.nz-btn .wp-block-button__link,
.wp-block-button.nz-btn .wp-block-button__link {
    background-color: var(--nz-color-nav-bg) !important;
    color: var(--nz-color-bg) !important;
    border: 2px solid var(--nz-color-accent) !important;
    border-radius: 2px !important;
    font-family: var(--nz-font-display);
    font-size: 0.95rem;
    letter-spacing: 0.15em;
    padding: 14px 48px !important;
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}

.nz-btn .wp-block-button__link:hover,
.wp-block-button.nz-btn .wp-block-button__link:hover {
    background-color: var(--nz-color-accent) !important;
    color: var(--nz-color-nav-bg) !important;
}