/* 導入事例の記事ページ（case-study-*.html）の共通の型。
   style.css・common-theme.css の後、sky-theme.css の前に読み込む。
   構成：ヒーロー（パンくず・日付・見出し・社名・メイン画像）→ 事例の概要（企業情報・数値・導入前と導入後）＋注記
   → インタビュー本文 → 他の導入事例（3件と一覧への導線）→ CTA */

/* ===== ヒーロー ===== */
.case-hero {
    padding-top: 120px;
    padding-bottom: 48px;
}

.case-hero .container,
.case-overview .container,
.other-cases .container {
    max-width: 1104px;
    padding-left: 2rem;
    padding-right: 2rem;
}

.case-breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    margin: 0 0 20px;
    padding: 0;
    color: var(--color-text-medium);
    font-size: 0.8125rem;
    line-height: 1.6;
    list-style: none;
}

.case-breadcrumb li {
    display: inline-flex;
    gap: 8px;
}

.case-breadcrumb li + li::before {
    content: "/";
    color: #9fb4c3;
}

.case-breadcrumb a {
    color: var(--sky-link, #176fa8);
    text-decoration: none;
}

.case-breadcrumb a:hover {
    text-decoration: underline;
}

.case-hero .news-article-date {
    margin-bottom: 12px;
    color: var(--color-text-medium);
    font-size: 0.875rem;
}

.case-hero .news-article-title {
    margin-bottom: 16px;
    color: var(--color-text);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0;
    text-wrap: balance;
    line-break: strict;
}

/* 見出しは句の途中で折り返さない */
.nb {
    display: inline-block;
}

.case-hero .news-article-subtitle {
    margin: 0;
    color: var(--color-text-medium);
    font-size: 1.0625rem;
    font-weight: 500;
}

.case-thumbnail {
    margin: 32px 0 0;
    overflow: hidden;
    background: #fff;
    border: 1px solid #d9e6ef;
    border-radius: 16px;
}

.case-thumbnail img {
    display: block;
    width: 100%;
    height: auto;
}

@media (min-width: 1024px) {
    .case-hero__inner {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 440px;
        gap: 56px;
        align-items: center;
    }

    .case-thumbnail {
        margin-top: 0;
    }
}

/* ===== 事例の概要 ===== */
.case-overview {
    padding: 48px 0 0;
    background: #fff;
}

.case-summary {
    display: grid;
    grid-template-columns: 336px minmax(0, 1fr);
    overflow: hidden;
    background: #fff;
    border: 1px solid #d9e6ef;
    border-radius: 16px;
}

.case-profile {
    margin: 0;
    padding: 28px;
    background: var(--sky-soft, #f3f8fc);
    border-right: 1px solid #d9e6ef;
}

.case-profile > div + div {
    margin-top: 16px;
}

.case-profile dt {
    margin-bottom: 2px;
    color: var(--color-text-medium);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1.6;
}

.case-profile dd {
    margin: 0;
    color: var(--color-text);
    font-size: 0.875rem;
    line-height: 1.7;
    word-break: auto-phrase;
}

.case-profile .case-profile__company {
    font-size: 1rem;
    font-weight: 700;
}

.case-person {
    display: flex;
    align-items: center;
    gap: 12px;
}

.case-person img {
    flex: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.case-summary__body {
    min-width: 0;
    padding: 28px 32px 32px;
}

.case-summary__label {
    margin: 0 0 12px;
    color: var(--color-text-medium);
    font-size: 0.8125rem;
    font-weight: 700;
    line-height: 1.6;
}

/* 数値（記事内の数値だけを使う） */
.case-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 0 0 24px;
    padding: 0;
    list-style: none;
}

.case-stats li {
    padding: 16px;
    background: var(--sky-soft, #f3f8fc);
    border-radius: 10px;
}

.case-stats .case-stat__number {
    display: block;
    color: var(--sky-button, #197bbb);
    font-size: 1.625rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0;
}

.case-stats .case-stat__label {
    display: block;
    margin-top: 4px;
    color: var(--color-text);
    font-size: 0.8125rem;
    font-weight: 700;
    line-height: 1.5;
}

.case-stats .case-stat__sub {
    display: block;
    margin-top: 2px;
    color: var(--color-text-medium);
    font-size: 0.75rem;
    line-height: 1.6;
}

/* 導入前と導入後 */
.comparison-table {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
    line-break: strict;
}

.comparison-table caption {
    margin: 0 0 8px;
    color: var(--color-text-medium);
    font-size: 0.8125rem;
    font-weight: 700;
    line-height: 1.6;
    text-align: left;
}

.comparison-table th,
.comparison-table td {
    padding: 12px 14px;
    border-bottom: 1px solid #e3edf4;
    text-align: left;
    vertical-align: top;
    line-height: 1.7;
}

.comparison-table thead th {
    padding-top: 8px;
    padding-bottom: 8px;
    color: var(--color-text-medium);
    font-size: 0.8125rem;
    font-weight: 700;
    border-bottom: 2px solid #d9e6ef;
}

.comparison-table thead th:last-child {
    color: var(--sky-link, #176fa8);
}

.comparison-table tbody th {
    width: 9.5em;
    padding-left: 0;
    padding-right: 12px;
    color: var(--color-text);
    font-size: 0.8125rem;
    font-weight: 700;
}

.comparison-table tbody td {
    color: var(--color-text);
    font-size: 0.875rem;
}

.comparison-table tbody td:last-child {
    color: var(--color-text);
    font-weight: 700;
}

.comparison-table tbody tr:last-child th,
.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.case-overview .article-note {
    margin: 12px 0 0;
}

/* ===== 本文 ===== */
.case-article .news-article-content {
    padding: 56px 0 80px;
    background: #fff;
}

.case-article .news-article-content .container {
    max-width: 800px;
}

.case-article .news-article-body {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 2;
    line-break: strict;
}

.case-article .news-article-body p {
    margin-bottom: 24px;
}

.case-article .news-article-body > :first-child {
    margin-top: 0;
}

.case-article .news-article-body h2 {
    margin-top: 56px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    color: var(--color-text);
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0;
}

.case-article .news-article-body h3 {
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--color-text);
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.7;
}

/* 聞き手の質問 */
.case-article .news-article-body .case-question {
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--color-text);
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.7;
}

.case-article .news-article-body .case-question::before {
    content: "――";
    margin-right: 0.25em;
    color: var(--sky-button, #197bbb);
}

.case-article .news-article-body h3 + .case-question {
    margin-top: 0;
}

.case-article .news-article-body ul {
    margin: 0 0 24px;
    padding-left: 1.5em;
}

.case-article .news-article-body ul li {
    margin-bottom: 6px;
    list-style: disc;
}

/* 話し手の発言の引用 */
.case-quote {
    margin: 32px 0;
    padding: 24px 28px;
    background: var(--sky-soft, #f3f8fc);
    border-left: 4px solid var(--sky-button, #197bbb);
    border-radius: 0 12px 12px 0;
}

.case-article .news-article-body .case-quote p {
    margin-bottom: 12px;
    font-style: normal;
}

.case-article .news-article-body .case-quote p:last-child {
    margin-bottom: 0;
}

.case-article .news-article-body .case-quote .case-quote__title {
    color: var(--color-text);
    font-weight: 700;
}

.case-article .news-article-body .case-quote .case-quote__by {
    color: var(--color-text-medium);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* 記事内の動画 */
.case-article .showcase-video {
    display: block;
    width: 100%;
    height: auto;
    margin: 8px 0 32px;
    background: #eaf4fb;
    border: 1px solid #d9e6ef;
    border-radius: 12px;
}

/* インタビューの締め */
.case-article .news-article-body .interview-closing {
    margin-top: 48px;
    margin-bottom: 0;
    color: var(--color-text-medium);
    text-align: center;
}

/* 関連記事 */
.case-related {
    margin-top: 48px;
}

.case-related a {
    display: block;
    padding: 24px 28px;
    background: var(--sky-soft, #f3f8fc);
    border: 1px solid #d9e6ef;
    border-radius: 12px;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.case-related a:hover {
    border-color: #98bfda;
    box-shadow: 0 12px 26px -16px rgba(25, 59, 80, 0.4);
}

.case-related__label {
    margin: 0 0 8px;
    color: var(--sky-link, #176fa8);
    font-size: 0.8125rem;
    font-weight: 700;
    line-height: 1.6;
}

.case-related__title {
    margin: 0 0 8px;
    color: var(--color-text);
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.6;
}

.case-related__text {
    margin: 0 0 12px;
    color: var(--color-text-medium);
    font-size: 0.875rem;
    line-height: 1.8;
}

.case-related__more {
    color: var(--sky-link, #176fa8);
    font-size: 0.875rem;
    font-weight: 700;
}

/* ===== 他の導入事例 ===== */
.other-cases {
    padding: 64px 0;
    background: #f3f8fc;
}

.other-cases__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px 24px;
    margin-bottom: 24px;
}

.other-cases h2 {
    margin: 0;
    color: var(--color-text);
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: 0;
}

.other-cases__more {
    color: var(--sky-link, #176fa8);
    font-size: 0.9375rem;
    font-weight: 700;
    text-decoration: none;
}

.other-cases__more:hover {
    text-decoration: underline;
}

.other-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
    line-break: strict;
}

.other-cases-grid a {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    background: #fff;
    border: 1px solid #d9e6ef;
    border-radius: 12px;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.other-cases-grid a:hover {
    border-color: #98bfda;
    box-shadow: 0 12px 26px -16px rgba(25, 59, 80, 0.4);
}

.other-cases-grid img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.other-case-text {
    display: block;
    padding: 16px 20px 20px;
}

.other-case-name {
    display: block;
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.6;
}

.other-case-metric {
    display: block;
    margin-top: 4px;
    color: var(--sky-link, #176fa8);
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.6;
    word-break: auto-phrase;
}

.other-cases .article-note {
    margin: 16px 0 0;
}

/* ===== CTA（記事ページでは全幅の帯にする。style.css の角丸・上の余白・動く光は使わない） ===== */
.case-article .cta-section {
    margin-top: 0;
    padding: 64px 0;
    border-radius: 0;
    text-align: center;
}

.case-article .cta-section::before {
    content: none;
}

.case-article .cta-section h2 {
    margin-bottom: 12px;
    font-size: 1.75rem;
    line-height: 1.5;
    letter-spacing: 0;
    word-break: auto-phrase;
    text-wrap: balance;
}

.case-article .cta-section p {
    margin-bottom: 28px;
    word-break: auto-phrase;
}

.case-article .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

/* ===== タブレット・スマホ ===== */
@media (max-width: 900px) {
    .case-summary {
        grid-template-columns: minmax(0, 1fr);
    }

    .case-profile {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px 24px;
        border-right: 0;
        border-bottom: 1px solid #d9e6ef;
    }

    .case-profile > div + div {
        margin-top: 0;
    }

    .case-profile .case-profile__person {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .case-hero {
        padding-top: 96px;
        padding-bottom: 32px;
    }

    .case-hero .news-article-title {
        font-size: 1.375rem;
    }

    .case-hero .news-article-subtitle {
        font-size: 0.9375rem;
    }

    .case-thumbnail {
        margin-top: 24px;
        border-radius: 12px;
    }

    .case-overview .container {
        padding-left: var(--gutter-sp, 24px);
        padding-right: var(--gutter-sp, 24px);
    }

    .case-overview {
        padding-top: 32px;
    }

    .case-summary {
        border-radius: 12px;
    }

    .case-profile {
        grid-template-columns: minmax(0, 1fr);
        padding: 20px;
    }

    .case-summary__body {
        padding: 20px;
    }

    .case-article .news-article-content {
        padding: 40px 0 64px;
    }

    .case-article .news-article-body h2 {
        margin-top: 48px;
        font-size: 1.25rem;
    }

    .case-quote {
        padding: 20px;
    }

    .other-cases {
        padding: 48px 0;
    }

    .other-cases .container {
        padding-left: var(--gutter-sp, 24px);
        padding-right: var(--gutter-sp, 24px);
    }

    .other-cases h2 {
        font-size: 1.25rem;
    }

    .case-article .cta-section {
        padding: 48px 0;
    }

    .case-article .cta-section h2 {
        font-size: 1.375rem;
    }
}

@media (max-width: 600px) {
    /* 数値は横1行ずつ */
    .case-stats {
        grid-template-columns: minmax(0, 1fr);
        gap: 8px;
    }

    .case-stats li {
        display: grid;
        grid-template-columns: 6.5em minmax(0, 1fr);
        align-items: baseline;
        column-gap: 12px;
        padding: 12px 16px;
    }

    .case-stats .case-stat__number {
        grid-row: span 2;
        font-size: 1.375rem;
    }

    .case-stats .case-stat__label {
        margin-top: 0;
    }

    /* 導入前と導入後は、行ごとに縦に積む */
    .comparison-table thead {
        display: none;
    }

    .comparison-table tbody,
    .comparison-table tr,
    .comparison-table tbody th,
    .comparison-table tbody td {
        display: block;
        width: auto;
    }

    .comparison-table tr {
        padding: 14px 0;
        border-bottom: 1px solid #e3edf4;
    }

    .comparison-table tbody tr:first-child {
        padding-top: 4px;
    }

    .comparison-table tbody tr:last-child {
        padding-bottom: 0;
        border-bottom: 0;
    }

    .comparison-table tbody th {
        padding: 0 0 6px;
        border: 0;
    }

    .comparison-table tbody td {
        display: grid;
        grid-template-columns: 3.5em minmax(0, 1fr);
        column-gap: 8px;
        padding: 2px 0;
        border: 0;
    }

    .comparison-table tbody td::before {
        content: attr(data-label);
        color: var(--color-text-medium);
        font-size: 0.75rem;
        font-weight: 700;
        line-height: 2.2;
    }

    .comparison-table tbody td:last-child::before {
        color: var(--sky-link, #176fa8);
    }

    /* 他の導入事例は横長のカードを1列に */
    .other-cases-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }

    .other-cases-grid a {
        flex-direction: row;
        align-items: center;
    }

    .other-cases-grid img {
        flex: none;
        width: 96px;
        height: 80px;
        aspect-ratio: 6 / 5;
    }

    .other-case-text {
        padding: 12px 14px;
    }

    .other-case-name {
        font-size: 0.875rem;
    }

    .other-case-metric {
        margin-top: 2px;
        font-size: 0.8125rem;
    }
}

@media (max-width: 359px) {
    .case-overview .container,
    .other-cases .container {
        padding-left: 18px;
        padding-right: 18px;
    }
}