/* ===== ブログ一覧・記事詳細 ===== */

/* === FV (一覧ページ) === */
.blog-fv {
    position: relative;
    width: 100%;
    height: 399px;
    background-color: #1c4660;
    background-image: url('../assets/images/blog-fv-bg.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-bottom: 56px;
}
.blog-fv__en {
    position: absolute;
    font-family: 'Oooh Baby', cursive;
    font-size: 96px;
    color: #e7f4b4;
    letter-spacing: -4.8px;
    transform: rotate(-9.26deg);
    top: 100px;
    left: 50%;
    margin-left: -160px;
    opacity: 0.85;
    pointer-events: none;
    line-height: 1;
    z-index: 1;
}
.blog-fv__ja {
    position: relative;
    z-index: 2;
    font-family: var(--clever-font-sans);
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    letter-spacing: 0.1em;
    line-height: 1.4;
    margin: 0;
    padding-top: 40px;
}

/* === ブログ共通ラップ === */
.blog-wrap {
    max-width: 832px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: 36px;
    padding-block: 50px 80px;
}

/* === タブ === */
.blog-tabs {
    background: #e5e5e5;
    border-radius: 12px;
    padding: 12px;
    display: flex;
    gap: 10px;
}
.blog-tabs__tab {
    flex: 1;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-family: var(--clever-font-sans);
    font-size: 18px;
    font-weight: 500;
    color: #1c4660;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: background 0.2s;
}
.blog-tabs__tab--active {
    background: rgba(255, 255, 255, 0.95);
}

/* === 検索フォーム === */
.blog-search-card {
    background: #fff;
    border: 1px solid #f3f4f6;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.blog-search {
    width: 100%;
}
.blog-search__inner {
    display: flex;
    flex-wrap: wrap;
    row-gap: 12px;
    column-gap: 16px;
    align-items: center;
    justify-content: center;
}
.blog-search__inner .blog-search__cat-select {
    flex: 1 1 calc((100% - 48px) / 4);
    min-width: 0;
}
.blog-search__inner .blog-search__input-wrap {
    flex: 1 1 100%;
    max-width: none;
}
.blog-search__inner .blog-search__btn {
    flex: 0 0 auto;
}
.blog-search__input-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f9fafb;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 13px;
    flex: 1;
    max-width: 541px;
}
.blog-search__input-wrap .material-icons {
    font-size: 14px;
    color: #797979;
    flex-shrink: 0;
}
.blog-search__input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: 500;
    color: #1c4660;
    letter-spacing: 0.1em;
    outline: none;
}
.blog-search__input::placeholder {
    color: #797979;
}
.blog-search__btn {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    background: #1c4660;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 13px;
    width: 200px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    cursor: pointer;
    flex-shrink: 0;
}
.blog-search__btn .material-icons {
    font-size: 14px;
}
.blog-search__cat-select {
    height: 46px;
    padding: 0 32px 0 12px;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #1c4660;
    background-color: #f9fafb;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='none' stroke='%231c4660' stroke-width='1.5' d='M1 1l5 5 5-5'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 12px 8px;
    font-family: inherit;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
    flex-shrink: 0;
    min-width: 120px;
}

/* === 投稿一覧 (archive + single 関連記事で共通) === */
.blog-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.blog-list li {
    margin: 0;
}
.blog-list__item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #fff;
    border-radius: 16px;
    padding: 20px 30px;
    text-decoration: none;
    transition: background 0.2s;
    margin-bottom: 0;
}
.blog-list__item:hover {
    background: #f0fafb;
}
.blog-list__date {
    font-size: 12px;
    font-weight: 500;
    color: #1c4660;
    letter-spacing: 0.1em;
    white-space: nowrap;
    flex-shrink: 0;
}
.blog-list__cat {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #1c4660;
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    padding: 10px 15px;
    border-radius: 24px;
    white-space: nowrap;
    flex-shrink: 0;
}
.blog-list__title {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
    color: #1c4660;
    letter-spacing: 0.1em;
    line-height: 1.76;
}
.blog-list__arrow {
    display: block;
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-top: 1.5px solid #1c4660;
    border-right: 1.5px solid #1c4660;
    transform: rotate(45deg);
}

/* === カテゴリ別セクション === */
.blog-cat-sections {
    display: flex;
    flex-direction: column;
    gap: 48px;
}
.blog-cat-section__heading {
    font-family: var(--clever-font-sans);
    font-size: 20px;
    font-weight: 700;
    color: #1c4660;
    letter-spacing: 0.1em;
    margin: 0 0 16px;
    padding: 0;
    background: none;
}
.blog-cat-section__heading::before,
.blog-cat-section__heading::after {
    display: none;
}

/* === もっと見る === */
.blog-more {
    display: flex;
    justify-content: center;
}
.blog-more__btn {
    display: inline-flex;
    align-items: center;
    gap: 26px;
    border: 1px solid #1c4660;
    border-radius: 10px;
    padding: 20px 30px;
    font-size: 16px;
    font-weight: 500;
    color: #1c4660;
    letter-spacing: 0.1em;
    line-height: 1.76;
    text-decoration: none;
    transition: background 0.2s;
}
.blog-more__btn:hover {
    background: #f0fafb;
}
.blog-more__divider {
    display: block;
    width: 0;
    height: 30px;
    border-left: 1px solid #1c4660;
}
.blog-more__arrow {
    display: block;
    width: 14px;
    height: 11px;
    border-right: 1.5px solid #1c4660;
    border-bottom: 1.5px solid #1c4660;
    transform: rotate(-45deg);
}
.blog-empty {
    text-align: center;
    color: #797979;
    font-size: 16px;
    padding: 40px 0;
}

/* === 記事詳細ページ === */
.aoi-page-blog-single {
    background: var(--clever-color-bg-light);
}
.blog-single-breadcrumb {
    max-width: 832px;
    margin-inline: auto;
    padding-block: 16px 0;
}
.blog-single-breadcrumb__list {
    list-style: none;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    font-size: 14px;
    color: #797979;
    font-weight: 500;
    letter-spacing: 0.1em;
}
.blog-single-breadcrumb__list li:not(:last-child)::after {
    content: '/';
    margin-inline: 8px 4px;
}
.blog-single-breadcrumb__list a {
    color: #797979;
    text-decoration: none;
}
.blog-single-breadcrumb__list li:last-child {
    color: #1c4660;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}
.blog-single-wrap {
    max-width: 832px;
    margin-inline: auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding-block: 32px 0;
}
.blog-single-title {
    font-family: var(--clever-font-sans);
    font-size: 26px;
    font-weight: 700;
    color: #1c4660;
    line-height: 1.4;
    letter-spacing: 0.1em;
    text-align: center;
    margin: 0;
}
.blog-single-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 0 0 12px;
}
.blog-single-meta__date {
    font-size: 13px;
    color: #888;
    letter-spacing: 0.05em;
}
.blog-single-meta__cat {
    background: #1c4660;
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    padding: 4px 12px;
    border-radius: 24px;
}
.blog-single-card {
    background: #fff;
    border: 1px solid #f1f5f9;
    border-radius: 12px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.02);
    padding: 41px;
}
.blog-single-content {
    font-size: 16px;
    font-weight: 500;
    color: #1c4660;
    line-height: 1.76;
    letter-spacing: 0.1em;
}
.blog-single-content p { margin: 0 0 1em; }
.blog-single-content p:last-child { margin-bottom: 0; }
.blog-single-content h2 {
    font-size: 20px;
    font-weight: 700;
    color: #1c4660;
    border-bottom: 1px solid #17bfbd;
    padding-bottom: 12px;
    margin: 32px 0 16px;
    letter-spacing: 0.1em;
    line-height: 1.8;
}
.blog-single-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1c4660;
    border-left: 5px solid #17bfbd;
    padding-left: 20px;
    margin: 24px 0 12px;
    letter-spacing: 0.1em;
    line-height: 1.4;
}
.blog-single-content h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1c4660;
    border-left: 5px solid #17bfbd;
    padding-left: 20px;
    margin: 20px 0 10px;
    letter-spacing: 0.1em;
}
.blog-single-content a {
    color: #1c4660;
    text-decoration: underline;
}
.blog-single-content ol,
.blog-single-content ul {
    padding-left: 1.5em;
    margin: 0 0 1em;
}
.blog-single-content li { margin-bottom: 4px; }
.blog-single-related {
    padding-block: 32px 80px;
}
.blog-single-related__heading {
    font-size: 18px;
    font-weight: 700;
    color: #1c4660;
    letter-spacing: 0.1em;
    line-height: 1.4;
    margin: 0;
}

/* === 自動目次 (.aoi-toc) === */
.aoi-toc {
    border: 1px solid #d0e8f0;
    background: #f8fcfe;
    border-radius: 8px;
    padding: 20px 24px;
    margin: 0 0 2em;
    display: inline-block;
    min-width: 260px;
    max-width: 100%;
}
.aoi-toc__title {
    font-size: 15px;
    font-weight: 700;
    color: #1c4660;
    letter-spacing: 0.08em;
    margin: 0 0 12px;
    padding-left: 8px;
    border-left: 3px solid #17bfbd;
}
.aoi-toc__list {
    margin: 0;
    padding-left: 1.4em;
    list-style: none;
    counter-reset: none;
}
.aoi-toc__sublist {
    margin: 4px 0 0;
    padding-left: 1.2em;
    list-style: none;
}
.aoi-toc__item {
    margin: 4px 0;
    font-size: 14px;
    line-height: 1.6;
}
.aoi-toc a {
    color: #1c4660;
    text-decoration: none;
    letter-spacing: 0.05em;
}
.aoi-toc a:hover {
    color: #17bfbd;
    text-decoration: underline;
}

/* SP */
@media (max-width: 599px) {
    .blog-fv {
        height: 240px;
        padding-bottom: 32px;
    }
    .blog-fv__en {
        font-size: 60px;
        margin-left: -100px;
    }
    .blog-fv__ja {
        font-size: 20px;
        padding-top: 20px;
    }
    .blog-wrap {
        gap: 24px;
        padding-block: 32px 60px;
    }
    .blog-tabs__tab {
        height: 56px;
        font-size: 15px;
    }
    .blog-search-card {
        height: auto;
        padding: 20px;
    }
    .blog-search__inner {
        flex-direction: column;
        gap: 12px;
    }
    .blog-search__inner > *,
    .blog-search__cat-select {
        width: 100%;
        box-sizing: border-box;
    }
    .blog-search__input-wrap {
        width: 100%;
        max-width: 100%;
    }
    .blog-search__btn {
        width: 100%;
    }
    .blog-list__item {
        flex-wrap: wrap;
        gap: 8px;
        padding: 16px;
        border-radius: 12px;
    }
    .blog-list__title {
        font-size: 14px;
        width: 100%;
    }
    .blog-single-card {
        padding: 24px 20px;
    }
    .blog-single-title {
        font-size: 20px;
    }
    .blog-single-breadcrumb__list li:last-child {
        max-width: 200px;
    }
}