/* セミナー一覧ブロック（template/section-seminar）のコンテナ幅 */
.section-seminar .ly_cont {
    max-width: 1080px;
}

.seminar__archive {
    width: calc(100% - 10%);
    max-width: 1080px;
    margin: 0 auto;
    padding: 45px 0 0;
}

.seminar__tags {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: wrap;
    gap: 0 24px;
    margin: 0 0 32px;
}

.seminar__tags li {
    position: relative;
}

.seminar__tag-item {
    font-size: 14px;
    font-family: "Hiragino Sans", sans-serif;
    font-weight: 600;
    color: #212730;
    line-height: calc(28 / 14);
    letter-spacing: 0.02em;
    text-align: center;
    transition: all 0.3s;
}

@media (hover: hover) and (pointer: fine) {
    .seminar__tag-item:hover {
        opacity: 0.8;
    }
}

.seminar__tags li::before {
    content: "";
    position: absolute;
    top: 50%;
    right: -12px;
    transform: translateY(-50%);
    width: 1px;
    height: 16px;
    background-color: #9FA8B7;
}

.seminar__tags li:last-child::before {
    display: none;
}

.seminar__tag-item.active {
    color: #006EC5;
}

.seminar_list {
    display: flex;
    /* justify-content: center; */
    align-items: stretch;
    flex-wrap: wrap;
    gap: 30px;
    margin: 0 0 48px;
    padding: 0;
}

.seminar_pagetitle {
    margin-bottom: 40px;
}

.seminar_list_item {
    width: 100%;
    max-width: calc((100% - 60px) / 3);
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;

    @media screen and (max-width: 793px) {
        width: 100%;
        max-width: 100%;
        height: auto;
    }
}

.seminar_list_item a {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.seminar_list_item img {
    width: 100%;
    height: auto;
}

/* オンライン用セミナーに色をつける */
.seminar-box.tag-online {
    background-color: #e8f7ff;
}

/* 人気タグがついているセミナー */
.seminar-box.tag-popular {
    border: 2px solid gold;
}

.border_seminar {
    height: 1px;
    width: 100%;
    background: #E6E6E6;
}

.seminar_list_item {
    border-radius: 10px;
    overflow: hidden;
    background-color: #fff;
    border: 1px solid #E6E6E6;
}

.seminar_list_item_inner {
    padding: 20px;
    display: flex;
    flex-flow: column;
    gap: 16px;
}

.seminar_list_item_status {
    padding: 2px 20px;
    background: #E02C41;
    color: #FFF;
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    line-height: 160%;
    /* 22.4px */
    height: 26px;
    display: inline-block;
    width: fit-content;
}

.status_archive {
    background-color: var(--gray1100);
}

.seminar_list_item_title {
    color: #1A1A1A;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: 160%;
    /* 25.6px */
}

.border_seminar {
    margin: 0;
}

.seminar_list_item_date {
    color: #1A1A1A;
    font-size: 15px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    /* 22.4px */
}

.seminar_list_item_date .icon {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    position: relative;
    top: -2px;
}

.seminar_list_item_type {
    color: #1A1A1A;
    font-size: 15px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    /* 22.4px */
}

.seminar_list_item_info {
    display: flex;
    flex-flow: column;
    gap: 4px;
}

.seminar_main {
    padding: 0 0 80px;
}

.seminar_thumbnail {
    width: 100%;
    padding: 0 0;
}

.seminar_thumbnail img {
    width: 100%;
    height: auto;
}

.seminar_title {
    font-weight: 600;
    font-size: 28px;
    line-height: 150%;
}

.single_seminar {
    padding-top: 80px;
    padding-bottom: 80px;
}

.seminar_twocalm {
    display: flex;
    justify-content: space-between;
    gap: 48px;
}

.seminar_left {
    width: 100%;
    max-width: 516px;
    display: flex;
    gap: 16px;
    flex-flow: column;
    flex-shrink: 1;
}

.seminar_right {
    width: 100%;
    max-width: 516px;
    position: sticky;
    top: 70px;
    align-self: flex-start;
    height: fit-content;
    flex-shrink: 0;
}

.seminar_single_date {
    color: #1A1A1A;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: 100%;
    /* 16px */
}

.seminar_single_tag_wrap {
    display: flex;
    gap: 10px;
}

.seminar_single_tag {
    border: 1px solid #E6E6E6;
    background: #FFF;
    display: flex;
    align-items: center;
    padding: 6px 8px;
    border-radius: 6px;
    margin: 0;
    transition-duration: 0.3s;
    color: #292E32;
    font-size: 12px;
    font-style: normal;
    font-weight: 500;
    line-height: 100%;
}

.seminar_single_title_wrap {
    display: flex;
    flex-flow: column;
    gap: 20px;
}

.seminar_content {
    display: flex;
    flex-flow: column;
    gap: 42px;
}

.seminar_sigle_h2 {
    font-size: 24px;
    font-style: normal;
    font-weight: 600;
    line-height: 120%;
    padding-left: 12px;
    border-left: 3px solid #0078D7;
    margin-bottom: 20px;
}

.seminar_text {
    line-height: 2;
}


.archive_video_thumb {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    width: 100%;
}

.archive_video_thumb img {
    display: block;
    width: 100%;
    height: auto;
    transition: filter 0.2s;
}

@media (hover: hover) and (pointer: fine) {
    .archive_video_thumb:hover img {
        filter: brightness(0.7);
    }
}

.play_button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.65);
    color: #fff;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.play_icon {
    font-size: 28px;
    margin-left: 6px;
    color: #fff;
}

@media (hover: hover) and (pointer: fine) {
    .archive_video_thumb:hover .play_button {
        opacity: 1;
    }
}

.play_icon {
    font-size: 28px;
    margin-left: 6px;
}

.archive_no_thumbnail {
    width: 100%;
    padding-top: 56.25%;
    background: #E6E6E6;
}

.archive_video_player_wrap {
    width: 100%;
}

.archive_video_player_wrap video {
    display: block;
    width: 100%;
    height: auto;
}

.seminar_sigle_recommendation_list {
    display: flex;
    flex-flow: column;
    gap: 12px;
    padding: 24px 32px;
    background-color: #fff;
    border-radius: 6px;
}

.seminar_sigle_recommendation_list li {
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    list-style: inside;
}

.seminar_info_wrap {
    display: flex;
    flex-flow: column;
    gap: 10px;
    padding: 32px 0;
    border-top: 1px solid #E6E6E6;
    border-bottom: 1px solid #E6E6E6;
}

.seminar_sigle_info {
    display: flex;
    gap: 10px;
}

.seminar_sigle_info_text {
    line-height: 2;
    width: calc(100% - 110px);
}

.seminar_sigle_info_text2 {
    line-height: 2;
    width: 100%;
}

.seminar_sigle_info_title {
    font-weight: 600;
    width: 100px;
    font-size: 16px;
    line-height: 2;
    display: inline-block;
}

.speaker_photo {
    width: 180px;
}

.speaker_photo img {
    width: 100%;
    height: auto;
}

.speaker_info {
    width: calc(100% - 180px);
}

.speaker_wrap .speaker {
    display: flex;
    gap: 40px;
}

.speaker_info_affiliation {
    color: #0085DE;
    font-size: 14px;
    font-style: normal;
    font-weight: 600;
    line-height: 150%;
    /* 21px */
}

.speaker_info_name {
    leading-trim: both;
    text-edge: cap;
    font-size: 20px;
    font-style: normal;
    font-weight: 600;
    line-height: 150%;
    /* 30px */
    margin: 8px 0 16px;
}

.speaker_info_profile {
    color: var(--gray-1200, #1A1A1A);
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 150%;
    /* 21px */
}

.speaker_inner {
    display: flex;
    flex-flow: column;
    gap: 32px;
}

.join_info {
    width: calc(100% - 110px);
}

.join_info .seminar_sigle_info_text {
    width: 100%;
}

.seminar_form_title {
    text-align: center;
    font-weight: 600;
    font-size: 20px;
    margin-bottom: 8px;
}

@media screen and (max-width: 1050px) {
    .seminar_twocalm {
        gap: 26px;
    }

    .seminar_right,
    .seminar_left {
        width: 50%;
        flex-shrink: unset;
    }
}

@media screen and (max-width: 800px) {
    .seminar_twocalm {
        display: flex;
        flex-direction: column;
        gap: 56px;
    }

    .seminar_left,
    .seminar_right {
        width: 100%;
        max-width: 100%;
    }

    .seminar_content {
        gap: 34px;
    }
}

@media screen and (max-width: 768px) {
    .seminar_twocalm {
        display: block;

    }

    .seminar_left {
        width: 100%;
    }

    .seminar_right {
        width: 100%;
        margin-top: 30px;
    }

    .seminar_list_item {
        width: 100%;
    }

    .speaker_wrap .speaker {
        gap: 20px;
    }

    .speaker_photo {
        width: 110px;
    }

    .speaker_info {
        width: calc(100% - 110px);
    }

    .single_seminar {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .seminar_sigle_info_title {
        font-size: 14px;
        width: 80px;
    }

    .seminar_sigle_info_text {
        font-size: 14px;
        width: calc(100% - 90px);
    }

    .seminar_text {
        font-size: 14px;
    }

    .seminar_sigle_h2 {
        font-size: 20px;
        margin-bottom: 16px;
    }

    .seminar_sigle_recommendation_list {
        padding: 20px 24px;
    }

    .seminar_sigle_recommendation_list li {
        font-size: 14px;
    }

    .seminar_content {
        gap: 24px;
    }

    .seminar_info_wrap {
        padding-top: 24px;
        padding-bottom: 24px;
    }

    .speaker_info_affiliation {
        font-size: 12px;
    }

    .speaker_info_name {
        font-size: 16px;
        margin: 4px 0 8px;
    }

    .speaker_info_profile {
        font-size: 12px;
    }

    .seminar_main {
        padding: 0 0 40px;
    }
}