/* ============================================
   kinfuu.co.jp - ニュース記事 共通スタイル
   /news/css/style.css
   ============================================ */

:root {
    --color-bg: #ffffff;
    --color-bg-sub: #f9f9f9;
    --color-text-main: #222222;
    --color-text-sub: #666666;
    --color-text-light: #999999;
    --color-accent: #e2e2e2;
    --color-highlight: #bfa67a;
    --font-mincho: 'Shippori Mincho', "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", "YuMincho", "Noto Serif JP", "MS Mincho", serif;
    --font-gothic: 'Noto Sans JP', sans-serif;
    --font-en: 'Jost', sans-serif;
    --ease-slow: cubic-bezier(0.2, 0.8, 0.2, 1);
    --header-h: 80px;
    --header-h-sp: 70px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-gothic);
    color: var(--color-text-main);
    background: var(--color-bg);
    line-height: 1.8;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ── レイアウト ── */
.article-wrap {
    max-width: 920px;
    margin: 0 auto;
    margin-top: 50px;
}

/* ── パンくず ── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-en);
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-bottom: 48px;
    letter-spacing: .08em;
}

/* ヘッダー直後に出したパンくずを、他ページと同じ幅・左端・余白に揃える */
.article-breadcrumb {
    max-width: var(--container);
    margin: 0 auto;
    padding: 30px 40px 0;
}

@media (max-width: 768px) {
    .article-breadcrumb {
        padding: 24px 22px 0;
    }
}

.breadcrumb a {
    transition: color .2s;
}

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

.breadcrumb span {
    color: var(--color-accent);
}

/* ── 記事ヘッダー ── */
.article-header {
    margin-bottom: 48px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 50px;
}

.article-date {
    font-family: var(--font-en);
    font-size: 0.85rem;
    color: var(--color-text-light);
    letter-spacing: .08em;
}

.article-cat {
    font-size: 0.72rem;
    font-family: var(--font-en);
    color: var(--color-highlight);
    border: 1px solid var(--color-highlight);
    padding: 2px 12px;
    letter-spacing: .1em;
}

.article-title {
    font-family: var(--font-mincho);
    font-size: clamp(1.4rem, 4vw, 2rem);
    font-weight: 500;
    line-height: 1.6;
    color: var(--color-text-main);
}

.article-divider {
    width: 40px;
    height: 1px;
}

/* ── アイキャッチ ── */
.article-image {
    width: 100%;
    margin-bottom: 48px;
    border-radius: 2px;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ── 本文 ── */
.article-body {
    font-size: 1rem;
    color: var(--color-text-sub);
    line-height: 2;
    margin-bottom: 64px;
}

.article-body p {
    margin-bottom: 1.6em;
}

.article-body h2 {
    font-family: var(--font-mincho);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-text-main);
    border-left: 3px solid var(--color-highlight);
    padding-left: 16px;
    margin: 2.5em 0 1em;
}

.article-body h3 {
    font-family: var(--font-mincho);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-main);
    margin: 2em 0 0.8em;
}

.article-body a {
    color: var(--color-highlight);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body a:hover {
    opacity: .7;
}

/* ── ギャラリー画像（複数画像） ── */
.article-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin: 32px 0;
}

.article-gallery img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 6px;
    background: var(--color-bg-sub);
    cursor: zoom-in;
}

@media (max-width: 640px) {
    .article-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}

/* ── CTAエリア ── */
.article-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 64px;
}

/* メインCTAボタン */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 40px;
    font-family: var(--font-en);
    font-size: 0.85rem;
    letter-spacing: .12em;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: opacity .2s;
    text-decoration: none;
}

.cta-btn:hover {
    opacity: .8;
}

/* サブCTAボタン（お問い合わせ・メルマガ） */
.cta-sub-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.cta-sub-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: .1em;
    color: var(--color-text-main);
    border: 1px solid var(--color-accent);
    background: #fff;
    transition: all .2s;
    text-decoration: none;
}

.cta-sub-btn:hover {
    border-color: var(--color-highlight);
    color: var(--color-highlight);
}

/* 一覧へ戻るリンク */
.cta-back {
    font-family: var(--font-en);
    font-size: 0.8rem;
    letter-spacing: .1em;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-accent);
    padding-bottom: 2px;
    transition: color .2s, border-color .2s;
    text-decoration: none;
}

.cta-back:hover {
    color: var(--color-highlight);
    border-color: var(--color-highlight);
}

/* ── SNSシェア ── */
.article-share {
    border-top: 1px solid var(--color-accent);
    padding-top: 40px;
    margin-bottom: 64px;
}

.share-label {
    font-family: var(--font-en);
    font-size: 0.72rem;
    letter-spacing: .15em;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 20px;
}

.share-btns {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    font-size: 0;
    color: #fff;
    border-radius: 50%;
    transition: opacity .2s, transform .2s;
    text-decoration: none;
}

.share-btn i {
    font-size: 1.05rem;
    line-height: 1;
}

.share-btn:hover {
    opacity: .8;
    transform: translateY(-2px);
}

.share-btn.x {
    background: #000;
}

.share-btn.instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.share-btn.threads {
    background: #000;
}

.share-btn.facebook {
    background: #1877f2;
}

.share-btn.tiktok {
    background: #000;
}

/* ── レスポンシブ ── */
@media (max-width: 640px) {
    .article-wrap {
        padding: 60px 20px 80px;
    }

    .article-title {
        font-size: 1.2em;
    }

    .share-btn {
        width: 40px;
        height: 40px;
    }

    .share-btn i {
        font-size: 0.95rem;
    }

    .cta-sub-btns {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: 10px;
    }

    .cta-sub-btn {
        flex: 1 1 0;
        width: auto;
        padding: 12px 8px;
        font-size: 0.72rem;
        white-space: nowrap;
    }
}