:root {
    --text_black: #042018;
    --white: #ffffff;
    --gray_50: #F2F5FA;
    --gray_100: #DFE5F2;
    --green_100: #F4F8F6;
    --green_1000: #177354;
    --orange: #F57821;
    --shadow: rgba(25, 102, 84, 0.2);
    --gradient: linear-gradient(80deg, #01806A 20%, #66E385);
    --gradient_bg: linear-gradient(-11deg, #EEFAF4, #F4F8F6 15%, #F4F8F6 85%, #EEFAF4);
}

/* アイコン */
.material-symbols-outlined {
    font-variation-settings:
        'FILL' 1,
        'wght' 400,
        'GRAD' 0,
        'opsz' 20
}

.accordion__buttonText .material-symbols-outlined {
    font-size: 18px;
    vertical-align: -3px;
    padding-left: 6px;
}

.accordion__buttonText.minus .material-symbols-outlined {
    transform: rotate(180deg);
    padding-left: 0px;
    padding-right: 6px;
}

.pc {
    display: block;
}

.sp {
    display: none;
}

*,
*:before,
*:after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

img {
    max-width: 100%;
    vertical-align: bottom;
}

html,
body {
    margin: 0;
    font-family: "Roboto Condensed", "Noto Sans JP", Arial, Helvetica, sans-serif !important;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.07em;
    color: var(--text_black);
    /* font-feature-settings: "palt" 1; */
    background-color: var(--green_100);
    scroll-behavior: smooth;
}

/* header */
.header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    background-color: rgba(255 255 255 / 80%);
    backdrop-filter: blur(10px);
    /* opacity: 0;
    transform: translateY(-100%); */
}

.header__inner {
    padding: 16px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header .logo {
    width: 120px;
}

/* .header.is-visible {
    animation: headerfadeIn 0.8s ease-out 0.4s forwards;
}

@keyframes headerfadeIn {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
} */

/* button */
.button {
    /* display: flex;
    align-items: center;
    justify-content: center;
    column-gap: 6px;
    text-decoration: none;
    padding: 1em 1.5em;
    border-radius: 50px;
    background: linear-gradient(80deg, #F56D18, #F1AA25);
    box-shadow: inset 4px 4px 4px rgba(255, 255, 255, 0.30),
        inset 6px 6px 6px rgba(255, 255, 255, 0.30), 0px 6px 15px 0px rgba(0, 0, 0, 0.1);
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
    color: var(--white); */
    transition: .4s;
}

.button .free {
    font-size: 12px;
    font-weight: 400;
    padding-right: 6px;
    letter-spacing: 0.1em;
}

.button-small {
    width: 180px;
}

.button-large {
    width: 320px;
    max-width: 70%;
    font-size: 20px;
}

.button:hover {
    transform: scale(0.98);
    box-shadow: none;
    opacity: 0.8;
}



/* main */

main {
    margin-top: 80px;
}

/* 共通 */
.section-button,
.section-message,
.section-timetable,
.section-outline,
.section-entry {
    padding: 108px 0;
}

.section-entry {
    background-color: var(--white);
}

.section-slider {
    background-color: var(--white);
    padding: 24px 0;
}

.title {
    color: var(--text_black);
    display: flex;
    flex-direction: column;
    row-gap: 16px;
    align-items: center;
    margin-bottom: 48px;
}

.title .title-ja {
    font-size: 14px;
    line-height: 1;
    padding-left: 10px;
}

.title .title-ja::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    background: linear-gradient(135deg, #01806A 10%, #66E385);
    border-radius: 2px;
    margin-right: 8px;
}

.title .title-en {
    font-size: 64px;
    line-height: 1;
    font-family: 'Roboto Condensed';
    font-style: italic;
    font-weight: 400;
}

/* section-fv */
.section-fv img {
    width: 100%;
}

/* 動的fv */
.section-fv {
    position: relative;
}

.fv__wrapper {
    position: relative;
    overflow: hidden;
    height: calc(585.6vw / 14.4);
}

.fv__wrapper .fv__bg {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    animation: fadeZoomIn 1s ease-out 0.6s forwards;
    opacity: 0;
}

@keyframes fadeZoomIn {
    from {
        opacity: 0;
        transform: scale(1.08)
    }

    to {
        opacity: 1;
        transform: scale(1)
    }
}

.fv__wrapper .fv__bg,
.fv_bg img {
    display: block;
    width: 100%;
    height: 100%;
}

.fv__contents {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    height: calc(505vw / 14.4);
    row-gap: calc(48vw / 14.4);
    margin-left: calc(90vw / 14.4);
}


.fv__contents .fv__speaker {
    position: absolute;
    width: calc(487.36vw / 14.4);
    right: calc(72vw / 14.4);
}

.fv__contents .fv__title {
    width: calc(741.6VW / 14.4);
}

.fv__contents .fv__speaker,
.fv__contents .fv__title {
    animation: fadeIn 0.6s ease-out 0.2s forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.fv__contents .fv__date {
    width: calc(445.68vw / 14.4);
    animation: fadeSlideIn 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fv__wrapper .fv__subtitle.pc {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100vw;
    z-index: 1;
    animation: fadeIn 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

/* section-slider */
.loopSlide {
    position: relative;
    display: flex;
    width: 100vw;
    overflow: hidden;

    ul {
        padding: 0;
        display: flex;
        flex-shrink: 0;

        &:first-child {
            animation: slide1 60s -30s linear infinite;
        }

        &:last-child {
            animation: slide2 60s linear infinite;
        }

        li {
            display: inline-block;
            margin-right: 24px;
            list-style: none;
            text-align: center;

            img {
                display: block;
                width: auto;
                height: 64px;
            }
        }
    }

    &:hover {
        ul {
            animation-play-state: paused;
        }
    }
}

@keyframes slide1 {
    0% {
        transform: translateX(100%);
    }

    to {
        transform: translateX(-100%);
    }
}

@keyframes slide2 {
    0% {
        transform: translateX(0);
    }

    to {
        transform: translateX(-200%);
    }
}

/* section-button */
.section-button {
    background-color: var(--green_100);
    text-align: center;
    display: flex;
    justify-content: center;
}

/* section-message */
.section-message {
    background: var(--gradient);
    color: var(--white);
    padding: 80px 0;
    margin: 0 auto;
    width: 100%;
    border-radius: 0rem;
    transition: 0.5s;
}

.section-message .message-wrap {
    margin: 0 auto;
    width: 460px;
    text-align: justify;
}

.section-message .message-wrap h3 {
    font-size: 16px;
    font-weight: 500;
    line-height: 2;
    letter-spacing: 0.1rem;
    margin-bottom: 40px;
}

.section-message .message-wrap h3 .large {
    font-size: 32px;
    letter-spacing: 0.22rem;
    line-height: 1.7;
}

.section-message .message-wrap p {
    font-size: 14px;
    font-weight: 400;
    line-height: 2;
    width: 440px;
}

/* 各行に個別にアニメーションを設定 */
.message-wrap h3 span {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s, transform 1s;
}

/* アニメーションが適用された状態 */
.message-wrap h3.show span {
    opacity: 1;
    transform: translateY(0);
}

/*timetable */
.section-timetable {
    margin: 0 auto;
    background: var(--gradient_bg);
}

.section-timetable .timetable-wrap {
    width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    row-gap: 16px;
}

.section-timetable .timetable-wrap .timetable-top {
    display: flex;
    column-gap: 2px;
    font-size: 16px;
    font-weight: 500;
    line-height: 1;
    color: var(--white);
}

.section-timetable .timetable-wrap .timetable-top li {
    width: 100%;
    text-align: center;
    background-color: var(--text_black);
    padding: 16px 0;
}

.section-timetable .timetable-wrap .timetable-top li:first-of-type,
.timetable-box .theme-wrap {
    width: 75%;
}

.timetable-box .theme-wrap {
    padding-left: 48px;
    padding-right: 48px;
}

.section-timetable .timetable-wrap .timetable-top li:last-of-type,
.timetable-box .speaker-wrap {
    width: 25%;
}

.timetable-box {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(-45deg, rgba(255, 255, 255, 0.7) 30%, rgba(255, 255, 255, 0.3) 100%);
    padding: 32px 0;
    border: 1px solid var(--white);
    border-radius: 0 20px 20px 20px;
    box-shadow: none;
    transition: 0.5s ease;
}

.timetable-box.shadow {
    box-shadow: 4px 16px 12px 0px var(--shadow);
}


.timetable-box .triangle {
    position: absolute;
    left: 4px;
    top: 2px;
}


.timetable-box .triangle img {
    width: 24px;
}

.timetable-box.op,
.timetable-box.end {
    column-gap: 1em;
    justify-content: normal;
    padding: 24px 48px;
}

.timetable-box .time-wrap {
    display: flex;
    align-items: center;
    line-height: 1;
    color: var(--green_1000);
}

.timetable-box .time {
    font-family: 'Roboto Condensed';
    font-size: 18px;
    font-weight: 500;
    line-height: 1;
    color: var(--white);
    background: var(--gradient);
    border-radius: 40px;
    padding: 6px 16px;
}

.timetable-box .time::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-color: currentColor;
    transform: translateY(2px);
    /* mask-image: url('../img/icon_schedule.svg'); */
    mask-image: url('https://media.invoice.ne.jp/lp/conference2025/summer/images/icon_schedule.svg');
    mask-repeat: no-repeat;
    mask-size: contain;
    margin-right: 6px;
}


.timetable-box.op .time,
.timetable-box.end .time {
    margin-bottom: 0;
}

.kityokoen-wrap {
    display: flex;
    column-gap: 12px;
    row-gap: 8px;
    flex-wrap: wrap;
}

.timetable-box .category {
    /* font-family: "Noto Sans JP"; */
    font-size: 14px;
    font-weight: 600;
    vertical-align: 2px;
    color: var(--orange);
    background-color: var(--white);
    border-radius: 50px;
    padding: 3px 24px 1px 24px;
    height: 30px;
    position: relative;
}

.timetable-box .category::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50px;
    border: 2px solid transparent;
    background: linear-gradient(77deg, #F56D18 10%, #F59508) border-box border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0) border-box;
    -webkit-mask-composite: destination-out;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0) border-box;
    mask-composite: exclude;
}

.timetable-box .accordion {
    margin-top: 16px;
}

.timetable-box .theme {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.6;
    text-align: justify;
    word-break: break-all;
}

.timetable-box.op .theme,
.timetable-box.end .theme {
    font-size: 18px;
    font-weight: 600;
    line-height: 1;
}

.timetable-box dl {
    margin-bottom: 24px;
}

.timetable-box .description {
    font-size: 14px;
    font-weight: 300;
    line-height: 1.8;
    border-top: 1px solid #cccccc;
    margin-top: 16px;
    padding-top: 16px;
    display: none;
    text-align: justify;
}

.timetable-box .accordion__buttonText {
    /* display: inline-block; */
    font-family: 'Roboto Condensed';
    font-size: 16px;
    line-height: 1;
    letter-spacing: 0;
    color: var(--text_black);
    opacity: 0.8;
    cursor: pointer;
    transition: .3s;
}

.timetable-box .accordion__buttonText:hover {
    color: var(--green_1000);
}

.accordion__button {
    margin-top: 16px;
    display: flex;
    justify-content: flex-start;
}

/* 
.timetable-box .accordion__buttonText {
    display: none;
}

.timetable-box .accordion__buttonText.is-active {
    display: inline-block;
} */

/* 修正 */
.accordion__buttonText.plus {
    display: inline-block;
}

.accordion__buttonText.minus {
    display: none;
}

.accordion__buttonText.plus.is-active {
    display: none;
}

.accordion__buttonText.minus.is-active {
    display: inline-block;
}

/* ここまで */



.speaker-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 16px;
    transition: .3s;
}

.speaker-wrap .speaker-img {
    position: relative;
    width: 112px;
    height: 112px;
    overflow: hidden;
    border-radius: 8px;
    transition: .3s;
}

.speaker-wrap .speaker-img .speaker-img-plus {
    font-family: 'Noto Sans JP';
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    bottom: 0px;
    right: 0px;
    width: 24px;
    height: 24px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text_black);
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 6px 0 8px 0;
    cursor: pointer;
    transition: .3s;
}

.speaker-wrap .speaker-img img {
    width: 112px;
    transition: .3s;
}


.speaker-wrap .speaker-name-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    row-gap: 8px;
    transition: .3s;
}

.speaker-wrap .speaker-company {
    font-size: 12px;
    font-weight: 300;
    line-height: 1.2;
    text-align: center;
}

.speaker-wrap .speaker-name {
    font-size: 16px;
    font-weight: 500;
    line-height: 1;
}

.annotation {
    font-size: 12px;
    color: var(--text_black);
    opacity: 0.8;
    text-align: center;
    margin-top: 24px;
}

/* モーダル */
/*モーダルを開くボタン*/
.modal-open {
    cursor: pointer;
}

.modal-open:hover .speaker-img {
    box-shadow: 0px 6px 15px 0px var(--shadow);
}

.modal-open:hover .speaker-img img {
    transform: scale(1.08);
}

.modal-open:hover .speaker-name-wrap {
    opacity: 0.5;
}

.modal-open:hover .speaker-img-plus {
    width: 28px;
    height: 28px;
    color: var(--green_1000);
    background-color: var(--white);
}

/*モーダル本体の指定 + モーダル外側の背景の指定*/
.modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-align: center;
    background: rgba(0, 0, 0, 50%);
    padding: 40px 20px;
    overflow: auto;
    opacity: 0;
    visibility: hidden;
    transition: .3s;
    box-sizing: border-box;
    z-index: 100;
}

/*モーダル本体の擬似要素の指定*/
.modal-container:before {
    content: "";
    display: inline-block;
    vertical-align: middle;
    height: 100%;
}

/*モーダル本体に「active」クラス付与した時のスタイル*/
.modal-container.active {
    opacity: 1;
    visibility: visible;
}

/*モーダル枠の指定*/
.modal-body {
    position: relative;
    display: inline-block;
    vertical-align: middle;
}

/*モーダルを閉じるボタンの指定*/
.modal-close {
    font-family: 'Noto Sans JP';
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    top: 16px;
    right: 16px;
    width: 28px;
    height: 28px;
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    cursor: pointer;
    transition: .3s;
}

.modal-close:hover {
    transform: scale(1.2);
    background-color: var(--text_black);
}

/*モーダル内のコンテンツの指定*/
.modal-content {
    background: var(--gradient_bg);
    text-align: left;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0px 6px 15px 0px rgba(0, 0, 0, 0.2);
}

.modal-title {
    display: flex;
    flex-direction: row;
    column-gap: 6px;
    margin-bottom: 32px;
    color: var(--text_black);
}

.modal-title .title-ja {
    font-size: 12px;
    padding-left: 0px;
}

.modal-title .title-en {
    font-size: 24px;
    font-weight: 500;
}

.modal-content-wrap {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.modal-left img {
    width: 152px;
}

.modal-right {
    width: 303px;
}

.modal-company {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
    color: #177354;
    margin-bottom: 12px;
}

.modal-name {
    font-size: 24px;
    font-weight: 500;
    line-height: 1;
    color: #177354;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.modal-description {
    font-size: 13px;
    font-weight: 300;
    line-height: 1.8;
    text-align: justify;
}

/* OUTLINE */
.section-outline {
    background-color: #F1F5F9;
    transition: background-color 0.5s;
}

.section-outline.active {
    background-color: #042018;
}

.outline-img {
    display: flex;
    justify-content: center;
}

.outline-img img {
    width: 680px;
}

/* ENTRY */
.section-entry .section-entry-text {
    text-align: center;
    margin-bottom: 48px;
}

.section-entry .information {
    width: 800px;
    margin: 0 auto;
}

.section-entry .inquiry {
    margin-top: 72px;
}

.section-entry .information h3 {
    font-size: 20px;
    font-weight: 500;
    line-height: 1;
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid #cccccc;
}

.section-entry .information p {
    font-size: 14px;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 1.8em;
}

.section-entry .information ul li {
    font-size: 14px;
    font-weight: 400;
    line-height: 2;
    word-break: break-all;
}

.section-entry .information ul li a {
    font-weight: 300;
    color: #0078F0;
    transition: 0.3s;
}

.section-entry .information ul li a:hover {
    opacity: 0.5;
}

.section-entry .information ul li a:visited {
    color: #0078F0;
}

.form {
    margin: 0 auto;
    margin-bottom: 72px;
    width: 800px;
    padding: 40px 40px;
    background-color: #F7F8FA;
    border-radius: 8px;
}

footer {
    background-color: var(--text_black);
    color: var(--white);
    display: flex;
    justify-content: center;
    font-size: 10px;
    padding: 16px 0;
}


@media screen and (max-width: 920px) {
    .pc {
        display: block;
    }

    .sp {
        display: none;
    }

    .section-message .message-wrap {
        width: 81.8%;
    }

    .section-timetable .timetable-wrap,
    .outline-img img,
    .form,
    .section-entry .information {
        width: 92.7%;
    }

    .section-message .message-wrap p {
        width: 100%;
    }

    .modal-content-wrap {
        flex-direction: column;
        align-items: center;
    }

    .modal-title {
        justify-content: center;
    }

    .modal-content {
        text-align: center;
    }

}

@media screen and (max-width: 720px) {
    .pc {
        display: none;
    }

    .sp {
        display: block;
    }

    body {
        letter-spacing: 0.03em;
    }

    .title .title-en {
        font-size: 56px;
    }

    .modal-title .title-en {
        font-size: 24px;
    }

    main {
        margin-top: 74px;
    }

    .header__inner {
        padding: 16px;
    }

    .header .logo {
        width: 100px;
    }

    .header .button {
        font-size: 14px;
        width: 160px;
    }

    .fv__wrapper {
        height: calc(558vw / 4.4);
    }

    .fv__contents {
        height: calc(558vw / 4.4);
        row-gap: calc(24vw / 4.4);
        align-items: center;
        justify-content: flex-end;
        margin-left: 0;
        /* margin-left: calc(90vw / 14.4); */
    }

    .fv__contents .fv__title {
        width: calc(392VW / 4.4);
    }

    .fv__contents .fv__date {
        width: calc(195vw / 4.4);
    }

    .fv__contents .fv__speaker {
        position: static;
        order: 1;
        width: calc(340vw / 4.4);
    }

    .fv__wrapper .fv__subtitle.sp {
        width: calc(389VW / 4.4);
        animation: fadeIn 0.8s ease-out 0.4s forwards;
        opacity: 0;
    }

    .section-button,
    .section-message,
    .section-timetable,
    .section-outline,
    .section-entry {
        padding: 64px 0;
    }

    .section-timetable {
        padding-top: calc(64px * 2);
    }

    .section-slider {
        padding: 16px 0;
    }

    .loopSlide ul li img {
        height: 40px;
    }

    .section-message .message-wrap h3 {
        font-size: 16px;
        line-height: 1.7;
    }

    .section-message .message-wrap h3 .large {
        line-height: 1.5;
        letter-spacing: 0.05em;
    }

    .timetable-box {
        flex-direction: column;
        row-gap: 40px;
        padding: 32px 24px;
    }


    .timetable-box.op,
    .timetable-box.end {
        flex-direction: column;
        align-items: flex-start;
        row-gap: 16px;
        padding: 24px 24px;
    }

    .timetable-box .theme-wrap,
    .timetable-box .speaker-wrap {
        width: 100%;
    }

    .timetable-box .theme-wrap {
        padding-left: 0;
        padding-right: 0;
    }

    .timetable-box .theme {
        font-size: 20px;
    }

    .speaker-wrap {
        flex-direction: row;
        column-gap: 16px;
    }

    .speaker-wrap .speaker-img {
        width: 96px;
        height: 96px;
        flex-shrink: 0;
    }

    .speaker-wrap .speaker-img img {
        width: 96px;
    }

    .speaker-wrap .speaker-company {
        text-align: left;
    }

    .speaker-wrap .speaker-name-wrap {
        align-items: flex-start;
    }

    .modal-body {
        width: 384px;
        max-width: 95%;
    }

    .modal-content-wrap {
        gap: 32px;
    }

    .modal-content {
        padding: 24px;
    }

    .modal-right {
        width: 100%;
    }

    .modal-title {
        justify-content: flex-start;
    }

    .form {
        padding: 16px 16px;
    }

}