/* =========================================
   Page (page.css)
   - Hero overlay (full-bleed) + 960px body
   - Headings / Typography / Responsive
========================================= */

:root {
    --bb-accent: #D35B29;
    --bb-accent-ink: #fff;
    --bb-border: #e6e6e6;
    --bb-ink-weak: #666;
    --bb-radius: 10px;
    --bb-gap: 24px;

    /* 本文コンテンツの最大幅（必要なら 1200px に変更可） */
    --bb-page-main-w: 960px;

    /* ヒーローの最小高さとオーバーレイ（明るめ） */
    --bb-hero-min-h: clamp(260px, 40vw, 370px);
    --bb-hero-overlay: linear-gradient(to bottom,
        rgba(0, 0, 0, .22) 0%,
        rgba(0, 0, 0, .16) 40%,
        rgba(0, 0, 0, .10) 70%,
        rgba(0, 0, 0, .18) 100%);
}

/* -----------------------------------------
   Hero (full-bleed)
----------------------------------------- */
.bb-page-hero {
    position: relative;
    isolation: isolate;
}

.bb-page-hero__media {
    margin: 0;
    block-size: var(--bb-hero-min-h);
}

.bb-page-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.bb-page-hero__overlay {
    position: absolute;
    inset: 0;
    background: var(--bb-hero-overlay);
    pointer-events: none;
}

.bb-page-hero__inner {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 24px;
}

.bb-page-hero__inner>* {
    max-width: min(var(--bb-page-main-w), 92vw);
}

.bb-page-hero__title {
    color: #fff;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: .02em;
    font-size: clamp(28px, 5vw, 48px);
    text-shadow: 0 2px 8px rgba(0, 0, 0, .22);
    margin: 0;
}

/* サブタイトル（使う場合） */
.bb-page-hero__lead {
    color: #fff;
    opacity: .95;
    margin-top: 10px;
    font-size: clamp(14px, 2.2vw, 18px);
}

/* -----------------------------------------
   Body (960px container)
----------------------------------------- */
.bb-page-container {
    max-width: var(--bb-page-main-w);
    margin-inline: auto;
    padding-inline: 0;
    padding-block: 40px 40px;
}

.bb-page__content {
    line-height: 1.8;
    color: #222;
}

.bb-page__content>*:first-child {
    margin-top: 0;
}

.bb-page__content h2 {
    line-height: 1.5;
}

.bb-page__content p {
    margin: 0 0 1.1em;
}

.bb-page__content ul,
.bb-page__content ol {
    padding-left: 1.2em;
    margin: 0 0 1.1em;
}

.bb-page__content li+li {
    margin-top: .3em;
}

.bb-page__content a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.bb-page-links {
    margin-top: 24px;
}

/* -----------------------------------------
   Headings
   ※ デフォルトを「薄オレンジ背景＋縦棒」に変更
----------------------------------------- */

/* === H2: デフォルト（薄オレンジ + 縦棒） === */
.bb-page__content h2 {
    font-size: clamp(20px, 2.4vw, 24px);
    margin: 1em 0;
    padding: .4em .8em .4em 1.2em;
    /* 左余白を棒の分だけ多めに */
    color: #000;
    background: #fff3eb;
    position: relative;
}

.bb-page__content h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: var(--bb-accent);
}

/* H3/H4（共通） */
.bb-page__content h3 {
    font-size: clamp(18px, 2.1vw, 20px);
    margin: 1.6em 0 .6em;
    padding-bottom: .25em;
    border-bottom: 1px solid var(--bb-border);
}

.bb-page__content h4 {
    font-size: 16px;
    margin: 1.2em 0 .5em;
    display: inline-block;
    padding: .35em .6em;
    background: #fafafa;
    border: 1px solid var(--bb-border);
    border-radius: 8px;
}

/* 内部リンクで見出しが隠れにくくする */
.bb-page__content h2,
.bb-page__content h3,
.bb-page__content h4 {
    scroll-margin-top: 16px;
}

/* -----------------------------------------
   H2 Variants（必要なら使えるよう維持）
----------------------------------------- */

/* Variant A: 左バー */
.bb-page__content.h2-style--bar h2 {
    background: transparent;
    border-radius: 0;
    padding: 0 0 0 12px;
    margin: 1.6em 0 .7em;
    position: relative;
}

.bb-page__content.h2-style--bar h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: .1em;
    bottom: .1em;
    width: 6px;
    border-radius: 4px;
    background: linear-gradient(to bottom,
        color-mix(in srgb, var(--bb-accent) 92%, #000 8%),
        var(--bb-accent));
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .03) inset;
}

/* Variant B: ラベル風 */
.bb-page__content.h2-style--block h2 {
    background: var(--bb-accent);
    color: var(--bb-accent-ink);
    border: 1px solid color-mix(in srgb, var(--bb-accent) 88%, #000 12%);
    border-radius: 999px;
    display: inline-block;
    padding: .45em .75em;
    margin: 1.4em 0 .6em;
    line-height: 1.25;
}

/* Variant C: 下線グラデ */
.bb-page__content.h2-style--underline h2 {
    background: none;
    border-radius: 0;
    margin: 1.7em 0 .8em;
    padding-bottom: .35em;
    background:
        linear-gradient(to right,
        var(--bb-accent),
        color-mix(in srgb, var(--bb-accent) 30%, transparent)) left bottom / 100% 3px no-repeat;
}

/* -----------------------------------------
   Quote / Code
----------------------------------------- */
.bb-page__content blockquote {
    margin: 1.2em 0;
    padding: .9em 1em;
    border-left: 4px solid var(--bb-accent);
    background: #fff8f4;
}

.bb-page__content pre {
    padding: 12px;
    overflow: auto;
    border: 1px solid var(--bb-border);
    border-radius: 8px;
    background: #0b0c10;
    color: #f6f8fa;
}

/* -----------------------------------------
   Optional: front reusable parts
----------------------------------------- */
.bb-hero {
    padding: 48px 0;
    background: #faf7f5;
}

.bb-hero__title {
    font-size: clamp(28px, 4vw, 40px);
    margin: 0 0 8px;
}

.bb-hero__lead {
    color: #666;
    margin: 0;
}

.bb-front-section {
    padding: 32px 0;
}

/* =========================================
   404 Page
========================================= */
/* ===== 404 Minimal Centered ===== */
.bb-404 {
    text-align: center;
}

/* 404はフルブリード前提をオフにして、通常フローに戻す */
.bb-404 .bb-page-hero {
    position: static;
    /* ← relative を解除 */
    isolation: auto;
    /* ← 不要なら解除 */
    background: transparent;
}

/* 絶対配置をやめ、中央寄せボックスとして使う */
.bb-404 .bb-page-hero__inner {
    position: static;
    /* ← absolute を解除 */
    inset: auto;
    display: grid;
    place-items: center;
    text-align: center;
    padding: clamp(48px, 10vw, 120px) 24px;
    /* 上下余白を確保 */
}

/* 404の本文色は通常の本文色でOK（ヒーロー想定の白字を解除） */
.bb-404 .bb-page-hero__title,
.bb-404 .bb-page-hero__lead {
    color: inherit;
    text-shadow: none;
}

/* 404の最大幅は既存クラスで担保 */
.bb-404 .bb-404__inner {
    max-width: 1200px;
    margin-inline: auto;
}

/* “404 Not Found” を大きく＆ちょいオシャレに */
.bb-404__code {
    font-size: clamp(42px, 10vw, 104px);
    font-weight: 800;
    letter-spacing: .06em;
    line-height: 1.05;
    text-transform: uppercase;
    margin: 0 0 12px;
    background: linear-gradient(135deg, #bbb, #eee 40%, #bbb 80%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

/* タイトルとリードも中央寄せでコンパクトに */
.bb-404__title {
    font-size: clamp(18px, 3.4vw, 28px);
    font-weight: 700;
    margin: 0 0 8px;
}

.bb-404__lead {
    font-size: clamp(14px, 2.4vw, 16px);
    color: var(--bb-ink-weak, #666);
    margin: 0 0 24px;
}

/* ボタンを中央に大きめで */
.bb-404__actions {
    display: flex;
    justify-content: center;
}

.bb-404__btn {
    min-width: 220px;
    padding: 14px 22px;
    border-radius: var(--bb-radius, 10px);
    font-weight: 700;
    text-decoration: none;
    background: #000;
    color: #fff;
}

/* =========================================
   Search Result Page
========================================= */
.bb-search-results__inner {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 15px;
    /* スマホでも余白確保 */
    padding-block: 40px 40px;
}

.bb-search-results__title {
    font-size: clamp(20px, 3vw, 28px);
    margin: 0 0 24px;
    text-align: center;
}

.bb-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.bb-card {
    border: 1px solid #eee;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    transition: box-shadow .2s;
}

.bb-card:hover {
    box-shadow: 0 4px 10px rgba(0, 0, 0, .08);
}

.bb-card__link {
    display: block;
    color: inherit;
    text-decoration: none;
    height: 100%;
}

.bb-card__thumb {
    aspect-ratio: 4/3;
    overflow: hidden;
}

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

.bb-card__body {
    padding: 12px;
    text-align: left;
}

.bb-card__meta {
    font-size: 12px;
    color: #777;
    margin-bottom: 6px;
}

.bb-card__title {
    font-size: 16px;
    margin: 0 0 6px;
}

.bb-card__excerpt {
    font-size: 13px;
    color: #333;
}

.bb-pagination {
    margin: 32px 0;
    text-align: center;
}

/* -----------------------------------------
   Responsive
----------------------------------------- */
@media (max-width: 1200px) {
    :root {
        --bb-page-main-w: 90%;
    }
}

@media (max-width: 767px) {
    :root {
        --container-pad: 15px;
        --container-wpct: 100%;
    }

    main.page_wrap {
        padding-block: 0;
    }

    .page_wrap,
    .u-container {
        width: var(--container-wpct);
        margin-inline: 0;
        padding-inline: var(--container-pad);
        /* = 15px */
    }

    /* ヒーローの内側paddingもSPは15pxへ */
    .bb-page-hero__inner {
        padding: 24px 15px;
    }

    /* 念のため：bb-page-containerはSPでも横0のまま */
    .bb-page-container,
    .bb-search-results__inner {
        max-width: 100%;
        margin-inline: 0;
        padding-inline: 0;
    }

    .bb-page-hero__media {
        block-size: 150px;
    }

    .bb-page-hero__title {
        font-size: clamp(24px, 7vw, 34px);
    }

    .bb-404__inner {
        padding-block: 56px;
    }

    .bb-404 .bb-page-hero__inner {
        padding: 56px 15px;
    }
}

/* -----------------------------------------
   Accessibility
----------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .bb-page-hero__inner {
        transition: none;
    }
}