.covid19_3years__background {
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
}
.bg--01 {
    background-image: url(https://www.yomiuri.co.jp/media/2023/05/covid19_3years_background_01-scaled.jpg);
}
.bg--02 {
    background-image: url(https://www.yomiuri.co.jp/media/2023/05/covid19_3years_background_02-scaled.jpg);
}
.bg--03 {
    background-image: url(https://www.yomiuri.co.jp/media/2023/05/covid19_3years_background_03-scaled.jpg);
}
.bg--04 {
    background-image: url(https://www.yomiuri.co.jp/media/2023/05/covid19_3years_background_04-scaled.jpg);
}
.bg--05 {
    background-image: url(https://www.yomiuri.co.jp/media/2023/05/covid19_3years_background_05-scaled.jpg);
}
.covid19_3years__wrapper {
    max-width: 1000px;
    margin: 0 auto;
    display: block;
    padding: 18px 0 18px;
}
.covid19_3years__wrapper p {
    line-height: 1.5;
    margin: 0 0 1.3rem;
}
.covid19_3years__wrapper img {
    mix-blend-mode: multiply;
}
.covid19_3years__yol_logo img {
    width: 162px;
    height: auto;
    margin-top: 1px;
}
.covid19_3years__header {
    color: #000000;
    margin-bottom: 11px;
    text-align: center;
}
.covid19_3years__header img{
    width: 62%;
    height: auto;
    margin: 28px auto 11px;
}
.covid19_3years__header--h1 {
    display: block;
    color: #bbbbbb;
    font-size: 13px;
    font-weight: bold;
    text-align: center;
    margin: 0 auto 10px;
    padding: 7px 0 0;
}
.covid19_3years__header__subtitle {
    display: block;
    font-size: 31px;
    font-weight: bolder;
    text-align: left;
    padding: 18px 10px 8px;
    border-bottom: solid 1px #777777;
}
.covid19_3years__header__subtitle span {
    font-size: 14px;
    font-weight: 500;
    margin-right: 18px;
}
.covid19_3years__header__lead {
    font-size: 15px;
    color: #000000;
    padding: 11px 10px 11px;
    margin-bottom: 28px;
    text-align: justify;
    border-bottom: solid 1px #777777;
}
.covid19_3years__header__theme {
    display: block;
    font-size: 33px;
    font-weight: lighter;
    text-align: left;
    color: #8b3171;
    padding: 18px 10px 8px;
    border-bottom: solid 1px #777777;
}
.covid19_3years__matome__header {
    color: #000000;
    margin-bottom: 11px;
    text-align: center;
}
.covid19_3years__matome__header img{
    width: 62%;
    height: auto;
    margin: 1px auto 18px;
}
.covid19_3years__navi {
    font-size: 16px;
    width: 100%;
    height: auto;
    text-align: center;
    padding: 8px 28px 8px;
    background: linear-gradient(90deg, rgb(228, 228, 220, 1), rgb(241, 239, 228, 1), rgba(241, 239, 228, 1), rgba(241, 239, 228, 1), rgb(228, 228, 220, 1));
}
.covid19_3years__navi__link {
    display: inline-block;
    margin: 4px 21px 4px;
    position: relative;
}
.covid19_3years__navi__link a span {
    font-size: 13px;
    margin-right: 11px;
}
.covid19_3years__navi__link a::after {
    content: "";
    display: block;
    width: 8px;
    height: 8px;
    border-left: 2px solid #777777;
    border-top: 2px solid #777777;
    margin: 0 auto;
    transform: rotate(135deg);
    opacity: 1;
    position: absolute;
    top: 6px;
    right: -14px;
  }

.covid19_3years__container {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    text-align: justify;
}
.covid19_3years__container h2 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 18px;
}
.covid19_3years__container h2 span {
    font-size: 24px;
    font-weight: bolder;
    display: inline;
    color: #8b3171;
}
.covid19_3years__article {
    padding: 10px;
    margin: 11px 0 17px;
    opacity: 0;
    transition: all .8s ease;
}
.covid19_3years__article.show {
    opacity: 1;
    transform: none;
}
.covid19_3years__article span {
    display: block;
    font-size: 13px;
    margin: 11px 0 7px;
}
.scaleUp {
    transform: scale(.7) translate(0, 200px);
}
.normal {
    width: 48%;
}
.large {
    width: 100%;
}
.arrow {
    text-align: center;
}
.arrow img {
    width: 139px;
}
.paragraph {
    font-size: 16px;
}
.paragraph img {
    width: 100%;
}
.graphic p {
    margin: -9px 0 0;
}
.graphic img {
    width: 100%;
}
.covid19_3years__photos__container--part01japan {
    width: 100%;
    height: 28vh;
    background: url("/media/2023/05/covid19_3years_timeline_photos_jpn.jpg") repeat-x;
    background-size:cover;
    animation: scroll_animation 39s linear infinite;
}
.covid19_3years__photos__container--part01world {
    width: 100%;
    height: 28vh;
    background: url("/media/2023/05/covid19_3years_timeline_photos_world.jpg") repeat-x;
    background-size:cover;
    animation: scroll_animation 21s linear infinite;
}
@keyframes scroll_animation {
100% {
    background-position: 100% 0;
    }
}

.covid19_3years__scroll__container {
    width: 1000px;
    text-align: center;
}
.covid19_3years__scroll__wrapper {
}
.covid19_3years__scroll__wrapper.part01japan {
    display: flex;
    flex-wrap: nowrap;
    align-items: flex-end;
}
.covid19_3years__scroll__scale01 {
    width: 4.92vh;
    height: 77vh;
}
.covid19_3years__scroll__scale01 img {
    width: 100%;
    height: 100%;
}
.covid19_3years__scroll__scale02 {
    width: 3.74vh;
    height: 77vh;
}  
.covid19_3years__scroll__scale02 img {
    width: 100%;
    height: 100%;
}
.covid19_3years__scroll__scale03 {
    width: 15.8vh;
    height: 77vh;
}  
.covid19_3years__scroll__scale03 img {
    width: 100%;
    height: 100%;
}     
.covid19_3years__scroll__main.part01japan {
    width: calc(100% - 8.66vh);
}
.covid19_3years__scroll__main.part01world {
    width: 100%
}
.covid19_3years__scroll__main.part03 {
    width: calc(100% - 15.8vh);
}
.covid19_3years__scroll__main.part003 {
    width: 100%;
}
.covid19_3years__scroll__main.part04--01 {
    width: 100%;
}
.covid19_3years__scroll__main.part04--02 {
    width: 100%;
}
.covid19_3years__scroll__main.part04--03 {
    width: 100%;
}
.covid19_3years__scroll__main.part04--04 {
    width: 100%;
}
.covid19_3years__scroll__main__image {
    overflow-x: scroll;
    padding-bottom: 5px;
    -webkit-overflow-scrolling: touch;
    transform: scale(1, -1);
    white-space:nowrap;
}
.scroll_box.part01japan {
    width: 319vh;
    height: 77vh;
    transform: scale(1, -1);
    margin-bottom: 11px;
}
.scroll_box.part01japan img {
    width: 106vh;
    height: 77vh;
}
.scroll_box.part01world {
    width: 149vh;
    height: 77vh;
    transform: scale(1, -1);
    margin-bottom: 11px;
}
.scroll_box.part01world img {
    width: 149vh;
    height: 77vh;
}
.scroll_box.part03 {
    width: 100vh;
    height: 77vh;
    transform: scale(1, -1);
    margin-bottom: 11px;
}
.scroll_box.part03 img {
    width: 100vh;
    height: 77vh;
}
.scroll_box.part003 {
    width: 70vh;
    height: 52vh;
    transform: scale(1, -1);
    margin-bottom: 11px;
}
.scroll_box.part003 img {
    width: 70vh;
    height: 52vh;
}
.scroll_box.part04--01 {
    width: 101vh;
    height: 31.7vh;
    transform: scale(1, -1);
    margin-bottom: 11px;
}
.scroll_box.part04--01 img {
    width: 101vh;
    height: 31.7vh;
}
.scroll_box.part04--02 {
    width: 101vh;
    height: 46vh;
    transform: scale(1, -1);
    margin-bottom: 11px;
}
.scroll_box.part04--02 img {
    width: 101vh;
    height: 46vh;
}
.scroll_box.part04--03 {
    width: 101vh;
    height: 25vh;
    transform: scale(1, -1);
    margin-bottom: 11px;
}
.scroll_box.part04--03 img {
    width: 101vh;
    height: 25vh;
}
.scroll_box.part04--04 {
    width: 101vh;
    height: 39vh;
    transform: scale(1, -1);
    margin-bottom: 11px;
}
.scroll_box.part04--04 img {
    width: 101vh;
    height: 39vh;
}
.covid19_3years__scroll__main__explanation {
    display: block;
    font-size: 14px;
    font-weight: lighter;
    text-align: left;
    margin-bottom: 11px;
}
.part01japan {

}
.part01world {

}
.part03 {

}
.part003 {

}
.covid19_3years__scroll__main__explanation.part01japan img {
    max-width: 460px;
}
.covid19_3years__scroll__main__explanation.part01world img {
    max-width: 520px;
}
.covid19_3years__footer {
    width: 100%;
    text-align: center;
    font-size: 12px;
    line-height: 28px;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.8);
    padding: 0 0 21px;
    z-index: 1;
    left: 0;
    bottom: 0;
  }
  .covid19_3years__footer__link {
    margin: 18px 0;
  }
  .covid19_3years__footer_sns-links {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-flex-wrap: nowrap;
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
    height: 33px;
    margin-bottom: 28px;
    list-style: none;
  }      
  .covid19_3years__footer_sns-links img {
    width: 31px;
    height: auto;
    padding: 0 8px 28px;
  }


@media screen and (max-width: 599px) {
    .covid19_3years__wrapper {
        width: 100%;
    }
    .covid19_3years__header__lead {
        padding: 11px 18px 11px;
    }
    .covid19_3years__header img{
        width: 88%;
    }
    .covid19_3years__navi {
        text-align: left;
    }
    .covid19_3years__header__subtitle {
        font-size: 23px;
        padding: 18px 18px 4px;
    }
    .covid19_3years__article {
        padding: 10px 18px;
    }
    .covid19_3years__article.large {
        padding: 10px 0;
    }
    .covid19_3years__article.large h2 {
        padding: 0 18px;
    }
    .covid19_3years__article.large p {
        padding: 10px 18px;
    }
    .covid19_3years__container h2 {
        font-size: 21px;
    }
    .normal {
        width: 100%;
    }
    .covid19_3years__scroll__container {
        width: 100%;
    }
    .covid19_3years__scroll__main__explanation {
        text-align: center;
    }
    .covid19_3years__scroll__main__explanation.part01japan img {
        max-width: 95%;
    }
    .covid19_3years__scroll__main__explanation.part01world img {
        max-width: 95%;
    }

    .covid19_3years__footer_sns-links {
        margin-bottom: 18px;
    }
    .scroll_box.part003 {
        width: 104vh;
        height: 77vh;
        transform: scale(1, -1);
        margin-bottom: 11px;
    }
    .scroll_box.part003 img {
        width: 104vh;
        height: 77vh;
    }
}

.covid19_3years__circle {
    border-radius: 50%;
}