@charset "utf-8";

/******** common ********/
* {
    box-sizing: border-box;
}

img {
    width: 100%;
}

input,
textarea,
::placeholder {
    font-family: "M PLUS 1", sans-serif;
    font-weight: 400;
}

html {
    font-size: 62.5%;
}

body {
    line-height: 1.5;
    color: #333;
    font-size: 1.5rem;
    font-family: "M PLUS 1", sans-serif;
    font-weight: 400;
    letter-spacing: .1rem;
}

body.active {
    width: 100%;
    overflow: hidden;
}

main>section {
    padding: 0 1.6rem;
}

main section h2 {
    margin-bottom: 4rem;
    font-size: 4rem;
    text-align: center;
    font-weight: 500;
}

main section h2::after {
    display: table;
    width: 6rem;
    height: .5rem;
    margin: .8rem auto 0;
    background-color: #1596E2;
    content: "";
}

@media screen and (min-width: 480px) {
    body {
        font-size: 1.7rem;
    }

    main>section {
        padding: 0 2.4rem;
    }
}





/******** header ********/
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    width: 100%;
    height: 6.4rem;
    padding-left: 1.6rem;
    background-color: #333;
    transform: translateY(-100%);
    z-index: 1;
    transition: transform .3s cubic-bezier(.25, 1, .5, 1);
}

header.active {
    transform: translateY(0);
}

header .header-logo {
    max-width: 8rem;
}

header #humberger-menu {
    position: relative;
    width: 6.4rem;
    height: 100%;
    cursor: pointer;
}

header #humberger-menu span {
    position: absolute;
    left: calc(50% - 1.6rem);
    width: 3.2rem;
    height: .2rem;
    background-color: #fff;
    transition: top .2s cubic-bezier(.25, 0, .75, 1) .2s, transform .2s cubic-bezier(.25, 0, .75, 1), opacity .2s cubic-bezier(.25, 0, .75, 1) .2s;
}

header #humberger-menu span:nth-child(1) {
    top: calc(50% - .8rem);
}

header #humberger-menu span:nth-child(2) {
    top: 50%;
}

header #humberger-menu span:nth-child(3) {
    top: calc(50% + .8rem);
}

header #humberger-menu.active span {
    top: 50%;
    transition: top .2s cubic-bezier(.25, 0, .75, 1), transform .2s cubic-bezier(.25, 0, .75, 1) .2s, opacity .2s cubic-bezier(.25, 0, .75, 1);
}

header #humberger-menu.active span:nth-child(1) {
    transform: rotate(45deg);
}

header #humberger-menu.active span:nth-child(2) {
    opacity: 0;
}

header #humberger-menu.active span:nth-child(3) {
    transform: rotate(-45deg);
}

header nav {
    position: absolute;
    top: 6.4rem;
    left: 0;
    width: 100%;
    height: calc(100vh - 6.4rem);
    background-color: #333;
    visibility: hidden;
    opacity: 0;
    transition: .5s;
}

header nav.active {
    overflow-y: scroll;
    visibility: visible;
    opacity: 1;
    z-index: 1;
}

header nav ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.4rem;
    list-style: none;
    min-height: 100%;
    padding-bottom: 6.4rem;
}

header nav ul li {
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}

header nav ul #event-registration_link1 {
    align-self: center;
    padding: .4rem 1.6rem;
    border-radius: 4rem;
    background-color: #FD4C33;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
}

@media screen and (min-width: 800px) {
    header {
        padding-right: 1.6rem;
    }

    header #humberger-menu {
        display: none;
    }

    header nav {
        position: unset;
        top: unset;
        left: unset;
        width: unset;
        height: unset;
        background-color: unset;
        visibility: visible;
        opacity: 1;
    }


    header nav ul {
        flex-direction: row;
        gap: 1.6rem;
        padding-bottom: 0;
    }

    header nav ul li {
        font-size: 1.5rem;
        letter-spacing: 0;
    }
}





/******** top ********/
#top {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    height: 100vh;
    min-height: 64rem;
    background-color: #FFD00F;
}

#top .person,
#top .cloud,
#top #star,
#top h1 .top-logo,
#top #date-location,
#top button {
    opacity: 0;
}

#top .person,
#top .cloud,
#top #star {
    position: absolute;
}

#top .cloud {
    transition: 0.5s;
}

#top .person {
    transition: 1.5s;
}

#top #person1 {
    top: 6.7rem;
    left: 0;
    width: 19.5rem;
}

#top #person1.active {
    opacity: 1;
}

#top #cloud1 {
    top: 9.3rem;
    left: 0;
    width: 19.9rem;
    transform: translateX(-100%);
}

#top #cloud1.active {
    opacity: 1;
    transform: translateX(0);
}

#top #person2 {
    top: 11rem;
    left: 11.6rem;
    width: 8.2rem;
}

#top #person2.active {
    opacity: 1;
}

#top #person11 {
    top: 8rem;
    left: 20rem;
    width: 3.3rem;
}

#top #person11.active {
    opacity: 1;
}

#top #star {
    top: 12rem;
    right: .9rem;
    width: 6rem;
    transform: scale(0.5);
    transition: 1s;
}

#top #star.active {
    opacity: 1;
    transform: scale(1) rotateZ(-360deg);
}

#top #person3 {
    top: 8.5rem;
    right: 4.5rem;
    width: 4.1rem;
}

#top #person3.active {
    opacity: 1;
}

#top #person4 {
    top: 0;
    right: 6.2rem;
    width: 9.6rem;
}

#top #person4.active {
    opacity: 1;
}

#top #cloud2 {
    right: 0;
    top: 0;
    width: 13rem;
    transform: translateX(100%);
}

#top #cloud2.active {
    opacity: 1;
    transform: translateX(0);
}

#top #person5 {
    bottom: 1.5rem;
    left: 0;
    width: 9.3rem;
}

#top #person5.active {
    opacity: 1;
}

#top #person6 {
    bottom: 4.2rem;
    left: 1.6rem;
    width: 7.9rem;
}

#top #person6.active {
    opacity: 1;
}

#top #cloud3 {
    bottom: 0;
    left: 0;
    width: 13.3rem;
    transform: translateX(-100%);
}

#top #cloud3.active {
    opacity: 1;
    transform: translateX(0);
}

#top #person12 {
    bottom: 1.5rem;
    left: 9.7rem;
    width: 2.6rem;
}

#top #person12.active {
    opacity: 1;
}

#top #person7 {
    bottom: 0;
    left: 0;
    width: 17.5rem;
}

#top #person7.active {
    opacity: 1;
}

#top #person8 {
    right: 0;
    bottom: 4.5rem;
    width: 9rem;
}

#top #person8.active {
    opacity: 1;
}

#top #person9 {
    right: 1.6rem;
    bottom: 2.1rem;
    width: 13.8rem;
}

#top #person9.active {
    opacity: 1;
}

#top #cloud4 {
    right: 0;
    bottom: 1.4rem;
    width: 12.5rem;
    transform: translateX(100%);
}

#top #cloud4.active {
    opacity: 1;
    transform: translateX(0);
}

#top #person10 {
    right: 0;
    bottom: 0;
    width: 18rem;
}

#top #person10.active {
    opacity: 1;
}

#top h1 {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    width: 100%;
    max-width: 40rem;
    padding: 0 1.6rem;
    z-index: 1;
}

#top h1 #top-logo1 {
    width: 100%;
    transform: translateX(100%);
    transition: 1s;
}

#top h1 #top-logo1.active {
    opacity: 1;
    transform: translateX(0);
}


#top h1 #top-logo2 {
    width: 90%;
    margin-top: -10%;
    transform: translateX(-100%);
    transition: 1s;
}

#top h1 #top-logo2.active {
    opacity: 1;
    transform: translateX(0);
}


#top h1 #top-logo3 {
    width: 20%;
    margin-top: -5%;
    clip-path: inset(0 100% 0 0);
    transition: 0.5s;
}

#top h1 #top-logo3.active {
    opacity: 1;
    clip-path: inset(0);
}

#top h1 #top-logo4 {
    width: 40%;
    transition: 0.3s;
    transform: scale(.5);
}

#top h1 #top-logo4.active {
    opacity: 1;
    transform: scale(1.2);
}

#top #date-location {
    max-width: 30rem;
    margin-top: 2rem;
    padding: 0 1.6rem;
    z-index: 1;
    transition: 1s;
}

#top #date-location.active {
    opacity: 1;
}

#top #event-registration_link2 {
    margin-top: 2rem;
    padding: .8rem 4rem;
    background-color: #FD4C33;
    color: #fff;
    border: none;
    border-radius: 4rem;
    font-size: 1.7rem;
    font-weight: 600;
    z-index: 1;
    cursor: pointer;
    transition: 1s;
}

#top #event-registration_link2.active {
    opacity: 1;
}

@media screen and (min-width: 480px) {
    #top #person1 {
        top: 6.8rem;
        width: 24.5rem;
    }

    #top #cloud1 {
        top: 10rem;
        width: 25rem;
    }

    #top #person2 {
        width: 11rem;
        top: 11.5rem;
        left: 14.2rem;
    }

    #top #person11 {
        top: 8.6rem;
        left: 25.2rem;
        width: 4rem;
    }

    #top #star {
        top: 14.8rem;
        right: 2.1rem;
        width: 7.5rem;
    }

    #top #person3 {
        top: 10rem;
        right: 6.6rem;
        width: 5.3rem;
    }

    #top #person4 {
        width: 11.2rem;
        right: 7.1rem;
    }

    #top #cloud2 {
        width: 15rem;
    }

    #top #person5 {
        width: 13.3rem;
    }

    #top #person6 {
        bottom: 4.8rem;
        left: 2rem;
        width: 12.6rem;
    }

    #top #cloud3 {
        width: 18rem;
    }

    #top #person12 {
        bottom: 2.2rem;
        left: 15rem;
        width: 3.6rem;
    }

    #top #person7 {
        width: 27rem;
    }

    #top #person8 {
        width: 12.5rem;
        bottom: 5rem;
    }

    #top #person9 {
        right: 2.3rem;
        bottom: 2.7rem;
        width: 18.6rem;
    }

    #top #cloud4 {
        bottom: 1.6rem;
        width: 17.5rem;
    }

    #top #person10 {
        width: 25rem;
    }
}

@media screen and (min-width: 640px) {
    #top #person1 {
        top: 7.2rem;
        width: 29.5rem;
    }

    #top #cloud1 {
        top: 11rem;
        width: 30rem;
    }

    #top #person2 {
        width: 13rem;
        top: 13rem;
        left: 17.1rem;
    }

    #top #person11 {
        top: 9.5rem;
        left: 30.2rem;
        width: 5rem;
    }

    #top #star {
        top: 9.5rem;
        right: 16.2rem;
        width: 8.5rem;
    }

    #top #person3 {
        top: 3.6rem;
        right: 21.3rem;
        width: 6.5rem;
    }

    #top #person4 {
        width: 12.8rem;
        right: 8.4rem;
    }

    #top #cloud2 {
        width: 17.5rem;
    }

    #top #person5 {
        width: 18.5rem;
        bottom: 1.7rem;
    }

    #top #person6 {
        bottom: 6.5rem;
        left: 2.8rem;
        width: 16.7rem;
    }

    #top #cloud3 {
        width: 24.7rem;
    }

    #top #person12 {
        bottom: 3rem;
        left: 20rem;
        width: 4.7rem;
    }

    #top #person7 {
        width: 36rem;
    }

    #top #person8 {
        width: 17rem;
        bottom: 7rem;
    }

    #top #person9 {
        right: 2.7rem;
        bottom: 3.6rem;
        width: 25.5rem;
    }

    #top #cloud4 {
        bottom: 2.4rem;
        width: 23.4rem;
    }

    #top #person10 {
        width: 33.5rem;
    }

    #top h1 {
        max-width: 50rem;
    }

    #top #date-location {
        max-width: 35rem;
    }

    #top button {
        font-size: 1.8rem;
    }
}

@media screen and (min-width: 800px) {
    #top #person1 {
        top: 7.5rem;
        width: 35.3rem;
    }

    #top #cloud1 {
        width: 36rem;
    }

    #top #person2 {
        width: 15.2rem;
        top: 13.7rem;
        left: 20.8rem;
    }

    #top #person11 {
        top: 10.1rem;
        left: 36.2rem;
        width: 5.7rem;
    }

    #top #star {
        top: 9rem;
        right: 22rem;
        width: 9.5rem;
    }

    #top #person3 {
        top: 2rem;
        right: 27.7rem;
        width: 7.5rem;
    }

    #top #person4 {
        width: 14.8rem;
        right: 9.5rem;
    }

    #top #cloud2 {
        width: 20rem;
    }

    #top #person5 {
        width: 23.2rem;
        bottom: 2.1rem;
    }

    #top #person6 {
        bottom: 8.2rem;
        left: 3.8rem;
        width: 20.2rem;
    }

    #top #cloud3 {
        width: 30.9rem;
    }

    #top #person12 {
        bottom: 3.6rem;
        left: 24.4rem;
        width: 5.8rem;
    }

    #top #person7 {
        width: 44rem;
    }

    #top #person8 {
        width: 21rem;
        bottom: 9rem;
    }

    #top #person9 {
        right: 3.7rem;
        bottom: 4.6rem;
        width: 32rem;
    }

    #top #cloud4 {
        bottom: 2.7rem;
        width: 29.7rem;
    }

    #top #person10 {
        width: 42.5rem;
    }
}

@media screen and (min-width: 960px) {
    #top #person1 {
        top: 6.7rem;
        width: 42.3rem;
    }

    #top #cloud1 {
        width: 43rem;
    }

    #top #person2 {
        width: 18.3rem;
        top: 14.1rem;
        left: 24.7rem;
    }

    #top #person11 {
        top: 9.8rem;
        left: 46rem;
        width: 6.7rem;
    }

    #top #star {
        top: 12.5rem;
        right: 21.8rem;
        width: 10.5rem;
    }

    #top #person3 {
        top: 4.4rem;
        right: 28rem;
        width: 8.5rem;
    }

    #top #person4 {
        width: 17rem;
        right: 11rem;
    }

    #top #cloud2 {
        width: 23rem;
    }

    #top #person5 {
        width: 27.8rem;
        bottom: 2.7rem;
    }

    #top #person6 {
        bottom: 9.9rem;
        left: 5rem;
        width: 23.4rem;
    }

    #top #cloud3 {
        width: 37.4rem;
    }

    #top #person12 {
        bottom: 4.3rem;
        left: 28.8rem;
        width: 7rem;
    }

    #top #person7 {
        width: 52rem;
    }

    #top #person8 {
        width: 25.5rem;
        bottom: 11.2rem;
    }

    #top #person9 {
        right: 4.4rem;
        bottom: 5.6rem;
        width: 39.3rem;
    }

    #top #cloud4 {
        bottom: 3.5rem;
        width: 36.3rem;
    }

    #top #person10 {
        width: 52rem;
    }
}

@media screen and (min-width: 1120px) {
    #top #person1 {
        top: 4.9rem;
        width: 49rem;
    }

    #top #cloud1 {
        width: 50rem;
    }

    #top #person2 {
        width: 21.1rem;
        top: 14.6rem;
        left: 28.9rem;
    }

    #top #person11 {
        top: 8.6rem;
        left: 54rem;
        width: 8rem;
    }

    #top #star {
        top: 14.3rem;
        right: 28.5rem;
        width: 12rem;
    }

    #top #person3 {
        top: 5rem;
        right: 35.6rem;
        width: 9.5rem;
    }

    #top #person4 {
        width: 19.2rem;
        right: 12.3rem;
    }

    #top #cloud2 {
        width: 26rem;
    }

    #top #person5 {
        width: 32.4rem;
        bottom: 3rem;
    }

    #top #person6 {
        bottom: 11.5rem;
        left: 5.3rem;
        width: 28.5rem;
    }

    #top #cloud3 {
        width: 43.4rem;
    }

    #top #person12 {
        bottom: 5rem;
        left: 34.3rem;
        width: 8.1rem;
    }

    #top #person7 {
        width: 62rem;
    }

    #top #person8 {
        width: 29.3rem;
        bottom: 12.5rem;
    }

    #top #person9 {
        right: 5.1rem;
        bottom: 6.3rem;
        width: 45rem;
    }

    #top #cloud4 {
        bottom: 3.8rem;
        width: 42rem;
    }

    #top #person10 {
        width: 60rem;
    }
}

@media screen and (min-width: 1280px) {
    #top #person1 {
        top: 3.9rem;
        width: 57rem;
    }

    #top #cloud1 {
        width: 58rem;
    }

    #top #person2 {
        width: 24.5rem;
        top: 15.2rem;
        left: 33.5rem;
    }

    #top #person11 {
        top: 8.2rem;
        left: 63rem;
        width: 9rem;
    }

    #top #star {
        top: 14.7rem;
        right: 32.5rem;
        width: 12.5rem;
    }

    #top #person3 {
        top: 5rem;
        right: 40rem;
        width: 10rem;
    }

    #top #person4 {
        width: 21.5rem;
        right: 13.8rem;
    }

    #top #cloud2 {
        width: 29rem;
    }

    #top #person5 {
        width: 37.1rem;
        bottom: 3.4rem;
    }

    #top #person6 {
        bottom: 12.9rem;
        left: 6rem;
        width: 32.7rem;
    }

    #top #cloud3 {
        width: 49.7rem;
    }

    #top #person12 {
        bottom: 5.6rem;
        left: 39.3rem;
        width: 9.3rem;
    }

    #top #person7 {
        width: 71rem;
    }

    #top #person8 {
        width: 33.5rem;
        bottom: 14.7rem;
    }

    #top #person9 {
        right: 5.8rem;
        bottom: 7.2rem;
        width: 52rem;
    }

    #top #cloud4 {
        bottom: 4.5rem;
        width: 47.8rem;
    }

    #top #person10 {
        width: 68.5rem;
    }
}

@media screen and (min-width: 1440px) {
    #top #person1 {
        top: 3rem;
        width: 64.5rem;
    }

    #top #cloud1 {
        width: 66rem;
    }

    #top #person2 {
        width: 27.7rem;
        top: 15.9rem;
        left: 38.2rem;
    }

    #top #person11 {
        top: 8rem;
        left: 71rem;
        width: 10rem;
    }

    #top #star {
        top: 15.8rem;
        right: 39.2rem;
        width: 13rem;
    }

    #top #person3 {
        right: 47rem;
        width: 11rem;
    }

    #top #person4 {
        width: 24rem;
        right: 15.8rem;
    }

    #top #cloud2 {
        width: 33rem;
    }

    #top #person5 {
        width: 42.2rem;
        bottom: 3.7rem;
    }

    #top #person6 {
        bottom: 14.5rem;
        left: 6.3rem;
        width: 37.3rem;
    }

    #top #cloud3 {
        width: 56.1rem;
    }

    #top #person12 {
        bottom: 6.4rem;
        left: 44.3rem;
        width: 10.6rem;
    }

    #top #person7 {
        width: 80rem;
    }

    #top #person8 {
        width: 37.5rem;
        bottom: 16.4rem;
    }

    #top #person9 {
        right: 6.6rem;
        bottom: 8.1rem;
        width: 58rem;
    }

    #top #cloud4 {
        bottom: 5rem;
        width: 53.7rem;
    }

    #top #person10 {
        width: 77rem;
    }
}

@media screen and (min-width: 1600px) {
    #top h1 {
        max-width: 60rem;
    }

    #top #date-location {
        max-width: 40rem;
    }

    #top button {
        font-size: 2rem;
    }
}

@media screen and (min-width: 1760px) {
    #top h1 {
        max-width: 70rem;
    }

    #top #date-location {
        max-width: 45rem;
    }

    #top button {
        font-size: 2.2rem;
    }
}

@media screen and (min-width: 1920px) {
    #top h1 {
        max-width: 80rem;
    }

    #top #date-location {
        max-width: 50rem;
    }

    #top button {
        font-size: 2.4rem;
    }
}





/******** concept ********/
#concept {
    max-width: 88rem;
    margin: 0 auto;
    padding-top: 8rem;
    padding-bottom: 8rem;
}

#concept .image {
    max-width: 60rem;
    margin: 6.4rem auto 0;
}





/******** message ********/
#message {
    padding-top: 8rem;
    padding-bottom: 8rem;
    background-color: #FFD00F;
}

#message .inner {
    max-width: 88rem;
    margin: 0 auto;
}

#message .inner .company-info {
    display: table;
    margin: 2.4rem 0 0 auto;
    text-align: right;
}





/******** about ********/
#about {
    max-width: 88rem;
    margin: 0 auto;
    padding-top: 8rem;
    padding-bottom: 8rem;
}

#about>dl>dt {
    padding: 2.4rem .8rem 0;
    border-top: .1rem solid #000;
    font-weight: 500;
}

#about>dl>dt:first-of-type {
    border-top: none;
}

#about>dl>dd {
    margin-top: .8rem;
    padding: 0 .8rem 2.4rem;
}

#about>dl .datetime .time {
    padding-left: 1.6rem;
}

#about>dl .place.party {
    margin: 0;
    padding-top: 1.6rem;
    border-top: .1rem solid #000;
}

#about>dl .place .title {
    font-weight: 500;
}

#about>dl .place .venue {
    margin-top: 1.6rem;
}

#about>dl .place iframe {
    width: 100%;
    margin-top: 1.6rem;
}

#about>dl .due-date {
    font-weight: 500;
}

#about>dl>dd .participation-fee {
    font-weight: 500;
}

#about>dl>dd .participation-fee dt {
    position: relative;
    margin-top: 1.6rem;
    padding-left: 1.6rem;
}

#about>dl>dd .participation-fee dt::before {
    position: absolute;
    left: 0;
    content: "・";
}

#about>dl>dd .participation-fee dd {
    text-align: right;
}

#about>dl>dd .participation-fee dd:last-of-type {
    padding-right: 1rem;
}

#about>dl>dd .attention {
    list-style-type: "※";
    margin-top: 1.6rem;
    padding-left: 1.6rem;
}

#about>dl>dd .attention li {
    font-size: 1.4rem;
}

#about>dl>dd #event-registration_link3 {
    text-decoration: underline;
    cursor: pointer;
}

@media screen and (min-width: 720px) {
    #about>dl {
        display: flex;
        flex-wrap: wrap;
    }

    #about>dl>dt {
        width: 20%;
        padding: 1.6rem 0 1.6rem .8rem;
    }

    #about>dl>dd {
        width: 80%;
        margin-top: 0;
        padding: 1.6rem .8rem 1.6rem 0;
        border-top: .1rem solid #000;
    }

    #about>dl>dd:first-of-type {
        border-top: none;
    }

    #about>dl .place.party {
        width: 100%;
        margin-left: calc(20% - 1.6rem);
        padding-left: 1.6rem;
    }

    #about>dl>dd .participation-fee {
        display: grid;
        grid-template-columns: 1fr 16rem;
    }

    #about>dl>dd .participation-fee dt {
        margin: 0;
        padding: 0;
    }

    #about>dl>dd .participation-fee dt::before {
        content: "";
    }

    #about>dl>dd .attention li {
        font-size: 1.5rem;
    }
}





/******** time-table ********/
#time-table {
    padding-top: 8rem;
    padding-bottom: 8rem;
    background-color: #1596E2;
    color: #fff;
}

#time-table .inner {
    max-width: 88rem;
    margin: 0 auto;
}

#time-table .inner h2::after {
    background-color: #FFD00F;
}

#time-table .inner .notice {
    margin-bottom: 1.6rem;
    font-size: 1.4rem;
    text-align: right;
}

#time-table .inner section {
    padding-bottom: 4rem;
    text-align: center;
}

#time-table .inner section:last-of-type {
    padding-bottom: 0;
}

#time-table .inner section::before {
    display: block;
    height: 1.5rem;
    margin-bottom: 4rem;
    background: repeating-linear-gradient(-67deg, transparent 0, transparent 1rem, #ddd 0rem, #ddd 2.4rem);
    content: "";
}

#time-table .inner section h3 {
    font-size: 2rem;
    font-weight: 500;
}

#time-table .inner section .datetime {
    font-size: 2rem;
}

#time-table .inner section .content {
    margin-top: 1.6rem;
    font-size: 3.2rem;
    font-weight: 500;
}

#time-table .inner section .notice {
    margin-top: .8rem;
}

#time-table .inner section .persons {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    list-style: none;
    margin-top: 4rem;
}

#time-table .inner section .person img {
    max-width: 20rem;
    margin-top: 1.6rem;
    border-radius: .8rem;
}

#time-table .inner section .person .name {
    font-size: 2.4rem;
    font-weight: 500;
}

#time-table .inner section .person .company {
    font-size: 1.6rem;
}

#time-table .inner section .person .department-position {
    font-size: 1.6rem;
}

#time-table .inner section .person .role {
    font-size: 1.8rem;
}

#time-table .inner section .person .profile {
    margin-top: 1.6rem;
    padding: .8rem 2.4rem;
    background-color: #fff;
    color: #1596E2;
    border: none;
    border-radius: .8rem;
    cursor: pointer;
}

#time-table .inner section section {
    max-width: 64rem;
    margin: 0 auto;
}

#time-table .inner section section:first-of-type {
    margin-top: 4rem;
}

#time-table .inner section section::before {
    display: block;
    height: .75rem;
    margin-bottom: 4rem;
    background: repeating-linear-gradient(-67deg, transparent 0, transparent 0.5rem, #ddd 0rem, #ddd 1.2rem);
    content: "";
}

#time-table #dialog {
    position: relative;
    width: 100%;
    max-width: calc(100% - 3.2rem);
    padding: 1.6rem;
    border: none;
    border-radius: 1.6rem;
    color: #333;
    text-align: center;
}

#time-table #dialog::backdrop {
    background-color: rgba(0, 0, 0, .5);
}

#time-table #dialog #close {
    position: absolute;
    top: .8rem;
    right: .8rem;
    border: none;
    background-color: transparent;
    color: #999;
    font-size: 4rem;
    cursor: pointer;
}

#time-table #dialog .container img {
    max-width: 20rem;
    border-radius: .8rem;
}

#time-table #dialog .container .text .name {
    font-size: 2.4rem;
    font-weight: 500;
}

#time-table #dialog .container .text .company {
    font-size: 1.6rem;
}

#time-table #dialog .container .text .department-position {
    font-size: 1.6rem;
}

#time-table #dialog .description {
    margin-top: 1.6rem;
    text-align: left;
}

@media screen and (min-width: 480px) {
    #time-table #dialog {
        max-width: calc(100% - 4.8rem);
        padding: 2.4rem;
    }
}

@media screen and (min-width: 640px) {
    #time-table #dialog {
        max-width: calc(64rem - 4.8rem);
    }

    #time-table .inner section .persons .person img {
        margin: 0;
    }

    #time-table .inner section .persons.vertical {
        align-items: start;
        max-width: 72rem;
        margin-right: auto;
        margin-left: auto;
    }

    #time-table .inner section .persons.vertical li {
        display: flex;
        gap: 4rem;
        text-align: left;
    }

    #time-table .inner section .persons.vertical li .text .under-adjustment {
        display: flex;
        height: 80%;
        font-size: 2.4rem;
        align-items: center;
    }

    #time-table .inner section .persons.horizontal {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
        max-width: 64rem;
        margin-right: auto;
        margin-left: auto;
    }

    #time-table .inner section .persons.horizontal .person {
        width: calc(50% - 2rem);
    }

    #time-table #dialog {
        text-align: left;
    }

    #time-table #dialog .container {
        display: flex;
        align-items: center;
        gap: 4rem;
    }
}





/******** archive ********/
#archive {
    max-width: 88rem;
    margin: 0 auto;
    padding-top: 8rem;
    padding-bottom: 8rem;
}

#archive ul {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    list-style: none;
}

#archive ul li {
    width: 100%;
}

#archive ul li a {
    color: #333;
    font-size: 2rem;
    font-weight: 500;
    text-decoration: none;
}

@media screen and (min-width: 480px) {
    #archive ul {
        flex-wrap: wrap;
        flex-direction: row;
        gap: 4rem 2.4rem;
    }

    #archive ul li {
        width: calc(50% - 1.2rem);
    }
}

@media screen and (min-width: 800px) {
    #archive ul {
        gap: 4rem;
    }

    #archive ul li {
        width: calc(50% - 2rem);
    }
}





/******** event-registration ********/
#event-registration {
    padding-top: 8rem;
    padding-bottom: 8rem;
    background-color: #FFD00F;
}

#event-registration .inner {
    max-width: 88rem;
    margin: 0 auto;
    padding: 6.4rem 1.6rem;
    background-color: #fff;
    border-radius: 1.6rem;
}

#event-registration .inner .message {
    margin: 4rem 0 10.4rem;
    font-weight: 500;
    text-align: center;
}

#event-registration .inner .registration-closed {
    margin-bottom: 5rem;
}

#event-registration .inner form>div {
    max-width: 72rem;
    margin: 4rem auto 0;
}

#event-registration .inner form>div:first-of-type {
    margin-top: 0;
}

#event-registration .inner form div h3 {
    display: inline;
    font-weight: 500;
}

#event-registration .inner form div h3::before {
    content: "■";
}

#event-registration .inner form div .errors {
    display: flex;
    flex-direction: column;
    list-style: none;
    margin-top: .8rem;
    color: #f00;
}

#event-registration .inner form div .errors li::before {
    content: "※";
}

#event-registration .inner form div span {
    margin-left: .4rem;
    padding: .2rem .4rem;
    background-color: #EA4E4E;
    color: #fff;
    font-size: 1.4rem;
}

#event-registration .inner form div .help-text {
    margin-top: .8rem;
}

#event-registration .inner form div input {
    width: 100%;
    height: 5.6rem;
    margin-top: .8rem;
    padding: 1.6rem;
    border: .1rem solid #979797;
    border-radius: .4rem;
}

#event-registration .inner form div textarea {
    width: 100%;
    margin-top: .8rem;
    padding: 1.6rem;
    border: .1rem solid #979797;
    border-radius: .4rem;
}

#event-registration .inner form div ul {
    display: flex;
    flex-direction: column;
    list-style-type: none;
}

#event-registration .inner form div ul li {
    margin-top: 0.8rem;
}

#event-registration .inner form div ul li label {
    display: grid;
    grid-template-columns: 4rem 1fr;
    align-items: center;
    cursor: pointer;
}

#event-registration .inner form div ul li label input[type="radio"] {
    width: 2.4em;
    height: 2.4rem;
    margin: 0;
    cursor: pointer;
}

#event-registration .inner form button {
    display: block;
    width: 100%;
    max-width: 72rem;
    margin: 4rem auto 0;
    padding: 1.6rem;
    background-color: #EA4E4E;
    color: #fff;
    border: none;
    border-radius: .4rem;
    font-weight: 600;
    cursor: pointer;
}

#event-registration .inner form button:disabled {
    background-color: #ccc;
    cursor: unset;
}

@media screen and (min-width: 480px) {
    #event-registration .inner {
        padding-right: 2.4rem;
        padding-left: 2.4rem;
    }
}





footer {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 6.4rem;
    padding: 0 1.6rem;
    background-color: #333;
    color: #fff;
    text-align: center;
}

@media screen and (min-width: 480px) {
    footer {
        padding: 0 2.4rem;
    }
}