/* === Case Study Detail === */
.cs-detail {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 120px 24px 100px;
}

.cs-detail__inner {
    display: flex;
    gap: 36px;
    align-items: flex-start;
}

.cs-detail__main {
    flex: 1;
    min-width: 0;
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius);
}

.cs-detail__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.8rem;
    line-height: 1.5;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
    margin-bottom: 32px;
}

.cs-detail__thumbnail {
    margin-bottom: 40px;
    border-radius: var(--radius);
    overflow: hidden;
}

.cs-detail__thumbnail img {
    width: 100%;
    height: auto;
}

.cs-detail__summary {
    margin-bottom: 48px;
}

.cs-detail__section-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.0rem;
    line-height: 1.4;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
    margin-bottom: 20px;
}

.cs-detail__table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--color-border);
}

.cs-detail__table tr {
    border-bottom: 1px solid var(--color-border);
}

.cs-detail__table th {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.5rem;
    color: #fff;
    background: var(--color-primary);
    text-align: center;
    vertical-align: middle;
    padding: 20px 24px;
    width: 100px;
    white-space: nowrap;
    border: 1px solid var(--color-border);
}

.cs-detail__table td {
    padding: 20px 24px;
    font-size: 1.5rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
}

.cs-detail__table ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cs-detail__table li {
    display: flex;
    align-items: flex-start;
    gap: 4px;
}

.cs-detail__table li::before {
    content: "・";
    color: var(--color-primary);
    flex-shrink: 0;
}

.cs-detail__content {
    margin-bottom: 48px;
}

.cs-detail__nav {
    text-align: center;
}

/* 関連事例 */
.cs-related {
    max-width: var(--inner-max-width);
    margin: 80px auto 0;
    padding: 0 24px;
}

.cs-related__title {
    font-size: 2.4rem;
    font-weight: 600;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
    margin-bottom: 32px;
}

.cs-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

@media (max-width: 768px) {
    .cs-related {
        margin-top: 56px;
        padding: 0 16px;
    }
    .cs-related__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* サイドバー */
.cs-detail__sidebar {
    flex-shrink: 0;
    width: 320px;
    position: sticky;
    top: 100px;
}

.cs-sidebar {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px;
}

.cs-sidebar__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

.cs-sidebar__logo img {
    max-width: 200px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.cs-sidebar__info {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.cs-sidebar__info dt {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-top: 16px;
}

.cs-sidebar__info dd {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-top: 4px;
}

.cs-sidebar__info dd a {
    color: var(--color-primary);
    word-break: break-all;
}

.cs-sidebar__info dd a:hover {
    text-decoration: underline;
}

.cs-sidebar__services {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

/* === Seminar Detail === */
.seminar-detail {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 120px 24px 100px;
}

.seminar-detail__inner {
    display: flex;
    gap: 36px;
    align-items: flex-start;
}

.seminar-detail__main {
    flex: 1;
    min-width: 0;
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius);
}

.seminar-detail__header {
    margin-bottom: 32px;
}

.seminar-detail__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.seminar-detail__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.8rem;
    line-height: 1.5;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
}

.seminar-detail__date {
    font-size: 1.5rem;
    color: var(--color-text-light);
}

.seminar-detail__venue {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.4rem;
    color: var(--color-primary);
}

.seminar-detail__thumbnail {
    margin-bottom: 40px;
    border-radius: var(--radius);
    overflow: hidden;
}

.seminar-detail__thumbnail img {
    width: 100%;
    height: auto;
}

.seminar-detail__content {
    margin-bottom: 48px;
}

.seminar-detail__nav {
    text-align: center;
}

.seminar-detail__sidebar {
    flex-shrink: 0;
    width: 380px;
    position: sticky;
    top: 100px;
}

.seminar-sidebar {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px;
}

.seminar-sidebar__heading {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.8rem;
    text-align: center;
    color: var(--color-text);
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.seminar-sidebar__info {
    display: flex;
    flex-direction: column;
}

.seminar-sidebar__info dt {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-top: 16px;
}

.seminar-sidebar__info dd {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-top: 4px;
}

.seminar-detail__info {
    margin-bottom: 48px;
}

.seminar-detail__info-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.0rem;
    line-height: 1.4;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
}

.seminar-detail__table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--color-border);
}

.seminar-detail__table tr {
    border-bottom: 1px solid var(--color-border);
}

.seminar-detail__table th {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.5rem;
    color: #fff;
    background: var(--color-primary);
    text-align: center;
    vertical-align: middle;
    padding: 16px 24px;
    width: 120px;
    white-space: nowrap;
    border: 1px solid var(--color-border);
}

.seminar-detail__table td {
    padding: 16px 24px;
    font-size: 1.5rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    border: 1px solid var(--color-border);
}

.seminar-sidebar__form {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 24px;
    overflow: hidden;
}

.seminar-sidebar__form iframe {
    width: 100% !important;
    border: none;
}

/* === Document Detail === */
.document-detail {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 120px 24px 100px;
}

.document-detail__inner {
    display: flex;
    gap: 36px;
    align-items: flex-start;
}

.document-detail__main {
    flex: 1;
    min-width: 0;
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius);
}

.document-detail__header {
    margin-bottom: 32px;
}

.document-detail__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.8rem;
    line-height: 1.5;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
}

.document-detail__thumbnail {
    margin-bottom: 40px;
    border-radius: var(--radius);
    overflow: hidden;
}

.document-detail__thumbnail img {
    width: 100%;
    height: auto;
}

.document-detail__content {
    margin-bottom: 48px;
}

.document-detail__nav {
    text-align: center;
}

.document-detail__sidebar {
    flex-shrink: 0;
    width: 380px;
    position: sticky;
    top: 100px;
}

.document-sidebar__form {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 24px;
    overflow: hidden;
}

.document-sidebar__form iframe {
    width: 100% !important;
    border: none;
}

.document-sidebar__heading {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.8rem;
    text-align: center;
    color: var(--color-text);
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

/* === Page Detail (汎用 メイン+サイドバー) === */
.page-detail {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 150px 24px 100px;
}

.page-detail__inner {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.page-detail__main {
    flex: 1;
    min-width: 0;
}

.page-detail__header {
    margin-bottom: 32px;
}

.page-detail__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.8rem;
    line-height: 1.5;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
}

.page-detail__thumbnail {
    margin-bottom: 40px;
    border-radius: var(--radius);
    overflow: hidden;
}

.page-detail__thumbnail img {
    width: 100%;
    height: auto;
}

.page-detail__content {
    margin-bottom: 48px;
}

.page-detail__sidebar {
    flex-shrink: 0;
    width: 320px;
    position: sticky;
    top: 100px;
}

.page-detail-sidebar__form {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 24px;
    overflow: hidden;
}

.page-detail-sidebar__form iframe {
    width: 100% !important;
    border: none;
}

.page-detail-sidebar__heading {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.8rem;
    text-align: center;
    color: var(--color-text);
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

/* === Archive === */
.sec-archive {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 150px 24px 100px;
}

.sec-archive__header {
    margin-bottom: 56px;
}

.sec-archive__grid {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
}

.sec-archive__grid .cs-card {
    flex: 0 1 calc(33.333% - 22px);
}

.sec-archive__section {
    margin-bottom: 56px;
}

.sec-archive__section:last-child {
    margin-bottom: 0;
}

.sec-archive__section-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.2rem;
    line-height: 1.4;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
    margin-bottom: 24px;
    padding-left: 16px;
    border-left: 4px solid var(--color-primary);
}

/* === Contact Form === */
.sec-contact {
    padding: 150px 24px 100px;
}

.sec-contact__header {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    margin-bottom: 48px;
}

.sec-contact__inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.sec-contact__form {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 48px;
}

.sec-contact__form-heading {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.0rem;
    text-align: center;
    color: var(--color-text);
    padding-bottom: 16px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.sec-contact__form iframe {
    width: 100%;
    min-height: 600px;
    border: none;
}

.sec-contact__content {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 48px;
}

/* Contact Guide Cards */
.sec-contact:has(.sec-contact__cards) .sec-contact__inner {
    max-width: 1100px;
}

.sec-contact__cards {
    display: flex;
    gap: 32px;
    margin: 0 auto;
}

.contact-guide-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px;
    text-decoration: none;
    position: relative;
    transition: transform 0.2s;
}

.contact-guide-card:hover {
    transform: translateY(-4px);
    text-decoration: none;
}

.contact-guide-card:hover .contact-guide-card__title {
    text-decoration: none;
}

.contact-guide-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.contact-guide-card__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.contact-guide-card__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.0rem;
    line-height: 1.4;
    color: var(--color-text);
}

.contact-guide-card__desc {
    font-size: 1.5rem;
    line-height: 1.7;
    letter-spacing: var(--ls-body);
    color: var(--color-text-light);
    padding-right: 48px;
}

.contact-guide-card__arrow {
    position: absolute;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-primary);
}

/* === Thanks === */
.sec-thanks {
    padding: 150px 0;
}

.sec-thanks__inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 64px;
    background: var(--color-white);
    border-radius: var(--radius);
    text-align: center;
}

.sec-thanks__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 3.2rem;
    line-height: 1.4;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
    margin-bottom: 24px;
}

.sec-thanks__message {
    font-size: 1.6rem;
    text-align: center;
    line-height: 1.8;
    letter-spacing: var(--ls-body);
    color: var(--color-text-light);
    margin-bottom: 40px;
}

.sec-thanks__embed {
    margin-bottom: 40px;
}

.sec-thanks__embed iframe {
    width: 100%;
    border: none;
}

.sec-thanks__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.5rem;
    padding: 14px 40px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    transition: transform 0.2s;
}

.sec-thanks__btn:hover {
    transform: translateY(-2px);
}

/* === Default Page === */
.sec-page {
    padding: 150px 14px 100px;
}

.sec-page__header {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 0 24px;
    margin-bottom: 48px;
}

.sec-page__header .sec-label {
    justify-content: flex-start;
}

.sec-page__content {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* === Form Page (Contact / Trial) === */
.sec-form-header {
    padding: 150px 24px 60px;
    text-align: center;
}

.sec-form-header__inner {
    max-width: var(--inner-max-width);
    margin: 0 auto;
}

.sec-form {
    padding: 0 24px 100px;
}

.sec-form__inner {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: 16px;
    padding: 60px 48px;
}

.sec-form__header {
    text-align: center;
    margin-bottom: 40px;
}

.sec-form__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.4rem;
    color: var(--color-text);
    line-height: 1.4;
    letter-spacing: var(--ls-heading);
    margin-bottom: 16px;
}

.sec-form__desc {
    font-size: 1.5rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* === News Archive === */
.sec-news-archive {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 150px 24px 100px;
}

.sec-news-archive__header {
    margin-bottom: 48px;
}

.sec-news-archive__header .sec-label {
    justify-content: flex-start;
}

.sec-news-archive__list {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px 48px;
}

.sec-news-archive__list .sec-news__item:first-child {
    border-top: none;
}

.sec-news-archive__list .sec-news__item:last-child {
    border-bottom: none;
}

.sec-news-archive__empty {
    font-size: 1.5rem;
    color: var(--color-text-light);
    text-align: center;
    padding: 48px 0;
}

/* === News Detail === */
.news-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 24px 100px;
}

.news-detail__inner {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 48px;
}

.news-detail__header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.news-detail__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.news-detail__date {
    font-family: var(--font-en);
    font-weight: 500;
    font-size: 1.4rem;
    color: var(--color-text-light);
}

.news-detail__tag {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.2rem;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 4px 12px;
    border-radius: 2px;
    line-height: 1;
}

.news-detail__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.4rem;
    line-height: 1.6;
    letter-spacing: var(--ls-heading);
    color: var(--color-text);
}

.news-detail__content {
    margin-bottom: 48px;
}

.news-detail__nav {
    text-align: center;
}

/* === Journal Detail (2 column + full-width related) === */
.journal-detail__inner {
    max-width: var(--inner-max-width);
    margin: 0 auto;
    padding: 120px 24px 100px;
}

.journal-detail__columns {
    display: flex;
    gap: 36px;
}

.journal-detail__main {
    flex: 1;
    min-width: 0;
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--radius);
}

.journal-detail__sidebar {
    flex: 0 0 320px;
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

.journal-detail__related {
    margin-top: 64px;
    border-top: 1px solid var(--color-border);
    padding-top: 48px;
}

.journal-detail__related-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.0rem;
    color: var(--color-text);
    margin-bottom: 24px;
}

.journal-detail__cat {
    display: inline-block;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    background: linear-gradient(90deg, var(--color-bg-light), var(--color-bg-light2));
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.journal-detail__title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2.8rem;
    line-height: 1.5;
    color: var(--color-text);
    letter-spacing: var(--ls-heading);
    margin-bottom: 16px;
}

.journal-detail__meta {
    margin-bottom: 32px;
}

.journal-detail__date {
    font-size: 1.4rem;
    color: var(--color-text-light);
}

.journal-detail__thumbnail {
    margin-bottom: 40px;
    border-radius: var(--radius);
    overflow: hidden;
}

.journal-detail__thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

.journal-detail__content {
    margin-bottom: 64px;
}

/* Journal Sidebar Banner */
.journal-sidebar__banner {
    margin-bottom: 24px;
    border-radius: var(--radius);
    overflow: hidden;
}

.journal-sidebar__banner img {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity 0.2s;
}

.journal-sidebar__banner a:hover img {
    opacity: 0.8;
}

/* Journal Sidebar */
.journal-sidebar__widget {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

.journal-sidebar__title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.6rem;
    color: var(--color-text);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 16px;
}

.journal-sidebar__cat-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.journal-sidebar__cat-list li {
    border-bottom: 1px solid #f0f0f0;
}

.journal-sidebar__cat-list li:last-child {
    border-bottom: none;
}

.journal-sidebar__cat-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 1.4rem;
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s;
}

.journal-sidebar__cat-link:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.journal-sidebar__cat-link--active {
    color: var(--color-primary);
    font-weight: 600;
}

.journal-sidebar__cat-count {
    font-size: 1.2rem;
    color: var(--color-text-light);
    background: var(--color-bg-light);
    padding: 2px 8px;
    border-radius: 12px;
}

.journal-sidebar__post-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.journal-sidebar__post-list li {
    border-bottom: 1px solid #f0f0f0;
}

.journal-sidebar__post-list li:last-child {
    border-bottom: none;
}

.journal-sidebar__post-link {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s;
}

.journal-sidebar__post-link:hover {
    opacity: 0.7;
    text-decoration: none;
}

.journal-sidebar__post-thumb {
    flex: 0 0 80px;
    aspect-ratio: 16 / 9;
    border-radius: 4px;
    overflow: hidden;
}

.journal-sidebar__post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.journal-sidebar__post-info {
    flex: 1;
    min-width: 0;
}

.journal-sidebar__post-title {
    display: block;
    font-size: 1.3rem;
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.journal-sidebar__post-date {
    font-size: 1.2rem;
    color: var(--color-text-light);
}

/* Tag cloud */
.journal-sidebar__tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.journal-sidebar__tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-primary);
    background: var(--color-bg-light);
    border-radius: var(--radius-pill);
    text-decoration: none;
    transition: background 0.2s;
}

.journal-sidebar__tag:hover {
    background: #e5f2f7;
    text-decoration: none;
}