* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    color: #111;
    font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

li {
    list-style: none;
}

.pageContainer {
    max-width: 1920px;
    margin: 0 auto;
}

a {
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.spOnly {
    display: none;
}

.sectionInner {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
}

header .headerInner {
    display: flex;
    align-items: center;
    height: 101px;
    padding: 0 20px;
    background: #000;
}

header .headerLogo {
    width: 160px;
}

.downloadHero {
    min-height: 480px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.downloadHero--tc {
    background-image: url(/event/material-expo2026/images/download-hero-tc.png);
}

.downloadHero--tmc {
    background-image: url(/event/material-expo2026/images/download-hero-tmc.png);
}

.downloadHero .mainInner {
    display: flex;
    align-items: center;
    min-height: 480px;
    width: min(951px, calc(100% - 64px));
    margin: 0 auto;
}

.downloadHero .textBox {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 30px 44px 29px;
    background: rgba(0, 0, 0, .72);
    color: #fff;
}

.downloadHero .reflection::after {
    position: absolute;
    top: -180px;
    left: 0;
    width: 30px;
    height: 100%;
    background: #fff;
    content: "";
    opacity: 0;
    transform: rotate(45deg);
    animation: reflect 2s ease-in-out;
}

@keyframes reflect {
    0%, 80% { opacity: 0; transform: scale(0) rotate(45deg); }
    81% { opacity: 1; transform: scale(4) rotate(45deg); }
    100% { opacity: 0; transform: scale(50) rotate(45deg); }
}

.downloadHero .mainTtl {
    position: relative;
    padding-bottom: 18px;
    border-bottom: 3px solid transparent;
    font-size: 38px;
    font-weight: 700;
    line-height: 60px;
    text-align: center;
}

.downloadHero .mainTtl::after {
    position: absolute;
    right: 15.5px;
    bottom: -3px;
    left: 15.5px;
    height: 3px;
    background: #fff;
    content: "";
}

.downloadHero .mainTtl span {
    display: block;
}

.downloadHero .mainTtl .mainTtlLead {
    font-size: 38px;
}

.downloadHero .mainTtl .mainTtlDivider {
    display: inline-block;
    padding: 0 .15em;
}

.downloadHero .subTtl {
    margin-top: 18px;
    font-size: 16px;
    font-weight: 400;
    line-height: 30px;
    text-align: center;
}

.pageLink {
    background: radial-gradient(circle at center, transparent, #fff), repeating-linear-gradient(135deg, rgba(0, 0, 0, .055) 0, rgba(0, 0, 0, .055) 4px, transparent 4px, transparent 8px), #fff;
}

.pageLinkInner {
    width: min(960px, calc(100% - 40px));
    margin: 0 auto;
    padding: 23px 20px 22px;
}

.pageLink ul {
    display: flex;
    justify-content: center;
    gap: 23px;
}

.pageLink li {
    width: 280px;
    text-align: center;
}

.pageLink a {
    display: block;
    padding: 18px 10px;
    border-radius: 50px;
    background: #e5e5e5;
    color: #949495;
    font-size: 22px;
    font-weight: 500;
    line-height: 32px;
    letter-spacing: .05em;
}

.pageLink a.active {
    background: #000;
    color: #fff;
    font-weight: 700;
}

.productSection {
    padding: 96px 0;
}

.sectionTtl {
    position: relative;
    width: fit-content;
    min-width: 313px;
    height: 76px;
    margin: 0 auto;
    padding: 10px 27px 12px;
    border: 3px solid #171717;
    background: #fff;
    text-align: center;
    box-shadow: 4px 6px #000;
}

.sectionTtl span {
    position: relative;
    font-size: 36px;
    font-weight: 700;
    line-height: 48px;
}

.sectionTtl::before, .sectionTtl::after {
    position: absolute;
    right: 43px;
    bottom: -30px;
    width: 33px;
    height: 32px;
    background: #000;
    clip-path: polygon(0 0, 100% 0, 75% 100%);
    content: "";
}
.sectionTtl::after {
    right: 49px;
    bottom: -20px;
    width: 23px;
    height: 24px;
    background: #fff;
}

.sectionNote {
    margin: 44px auto 0;
    padding: 0 20px;
    font-size: 24px;
    font-weight: 700;
    line-height: 36px;
    letter-spacing: .05em;
    text-align: center;
}

.contentList {
    display: flex;
    flex-wrap: wrap;
    gap: 48px 4%;
    margin-top: 43px;
    justify-content: center;
}

.contentList li {
    display: flex;
    flex-direction: column;
    width: 30.6667%;
    padding: 40px 30px 30px;
    border-radius: 36px;
    background: #fff;
    box-shadow: 0 3px 16px rgba(0, 0, 0, .16);
}

.contentList:has(> li:nth-child(4)) {
    justify-content: flex-start;
}

.listTtl {
    min-height: 0;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: .05em;
    text-align: center;
}

.listTtl .productGeneral {
    font-size: 16px;
    font-weight: 400;
}

.listTtl .productGeneral--emphasis {
    font-weight: 700;
}

.listTtl--reversed {
    font-size: 16px;
    font-weight: 400;
}

.listTtl--reversed .productGeneral {
    font-size: 20px;
    font-weight: 700;
}

.listTtl sub {
    position: relative;
    bottom: -.2em;
    font-size: .6em;
    line-height: 0;
}

.listImage {
    width: 217px;
    max-width: 100%;
    aspect-ratio: 1 / 1.414;
    overflow: hidden;
    margin: 24px auto 0;
    background: #eee;
}

.listImage img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.listImage picture {
    display: block;
    width: 100%;
    height: 100%;
}

.listImage--pending {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #b5b5b5;
    color: #666;
    font-size: 50px;
    font-weight: 700;
}

.pdfBtn {
    margin-top: 24px;
}

.downloadButton {
    display: block;
    padding: 18px 10px;
    border-radius: 10px;
    background: #464646;
    text-align: center;
    transition: opacity .2s;
}

.downloadButton:hover,
.downloadButton:focus-visible {
    opacity: .65;
}

.downloadButton.is-disabled {
    cursor: default;
}

.downloadButton.is-disabled:hover,
.downloadButton.is-disabled:focus-visible {
    opacity: 1;
}

.downloadButton span {
    position: relative;
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    line-height: 26px;
    letter-spacing: .05em;
}

.downloadButton span::before,
.downloadButton span::after {
    position: absolute;
    top: 50%;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    content: "";
    transform: translateY(-50%);
}

.downloadButton span::before {
    left: -40px;
    width: 30px;
    height: 38px;
    background-image: url(/event/material-expo2026/common/images/ico_pdf.svg);
}

.downloadButton span::after {
    right: -33px;
    width: 24px;
    height: 23px;
    background-image: url(/event/material-expo2026/common/images/ico_download.svg);
}

#backToTop {
    display: none;
    position: fixed;
    right: max(32px, calc((100% - 1920px) / 2 + 32px));
    bottom: 32px;
    z-index: 10;
    width: 52px;
}

@media screen and (max-width: 1000px) {
    .contentList li {
        padding-right: 20px;
        padding-left: 20px;
    }

    .downloadButton span {
        font-size: 1.5vw;
    }
}

@media screen and (min-width: 768px) and (max-width: 1000px) {
    .downloadButton span::before { left: -27px; width: 20px; height: 26px; }
    .downloadButton span::after { right: -22px; width: 17px; height: 17px; }
}

@media screen and (max-width: 767px) {
    .pcOnly {
        display: none !important;
    }

    .spOnly {
        display: block;
    }

    .sectionInner {
        width: calc(100% - 40px);
    }

    header .headerInner {
        height: 72px;
        padding: 0 20px;
    }

    header .headerLogo {
        width: 84px;
    }

    .downloadHero,
    .downloadHero .mainInner {
        min-height: 215px;
    }

    .downloadHero .mainInner {
        width: calc(100% - 62px);
    }

    .downloadHero--tc { background-image: url(/event/material-expo2026/images/download-hero-tc-sp.png); }
    .downloadHero--tmc { background-image: url(/event/material-expo2026/images/download-hero-tmc-sp.png); }

    .downloadHero .textBox {
        padding: 10px 0 12px;
    }

    .downloadHero .mainTtl {
        padding-bottom: 16px;
        border-bottom-width: 2px;
        font-size: 15px;
        line-height: 23px;
        white-space: nowrap;
    }

    .downloadHero .mainTtl .mainTtlLead {
        font-size: 15px;
    }

    .downloadHero .mainTtl .mainTtlDivider {
        display: block;
        height: 0;
        overflow: hidden;
    }

    .downloadHero .mainTtl::after { right: 18.5px; bottom: -2px; left: 18.5px; height: 2px; }

    .downloadHero .subTtl {
        margin-top: 12px;
        font-size: 10px;
        line-height: 18px;
    }

    .pageLinkInner {
        width: 100%;
        padding: 20px 62px;
    }

    .pageLink ul {
        gap: 20px;
    }

    .pageLink li {
        width: calc(50% - 10px);
    }

    .pageLink a {
        padding: 9px 5px 10px;
        font-size: 12px;
        font-weight: 700;
        line-height: 16px;
        letter-spacing: 0;
    }

    .productSection {
        padding: 30px 0 20px;
    }
    .productSection:last-of-type { padding-bottom: 90px; }

    .sectionTtl {
        min-width: 0;
        width: 235px;
        height: 65px;
        padding: 7px 10px 8px;
        border-width: 2px;
    }

    .sectionTtl span {
        font-size: 29px;
    }

    .sectionTtl::before { right: 19px; width: 28px; height: 28px; bottom: -26px; }
    .sectionTtl::after {
        right: 24px;
        bottom: -18px;
        width: 20px;
        height: 20px;
    }

    .sectionNote {
        margin-top: 32px;
        padding: 0 20px;
        font-size: 16px;
        line-height: 24px;
        letter-spacing: 0;
        text-align: left;
    }

    .contentList {
        display: block;
        margin-top: 21px;
    }

    .contentList li {
        width: 100%;
        margin-top: 20px;
        padding: 0;
        border-radius: 30px;
    }

    .contentList li:first-child {
        margin-top: 0;
    }

    .listTtl {
        display: none;
    }

    .listImage {
        width: 100%;
        height: auto;
        margin-top: 0;
        border-radius: 30px 30px 0 0;
        aspect-ratio: 723 / 240;
    }

    .listImage img {
        object-fit: contain;
        object-position: top;
    }

    .listImage--pending {
        font-size: 40px;
    }

    .pdfBtn {
        margin: 30px;
    }

    .downloadButton {
        padding: 18px 8px;
    }

    .downloadButton span {
        font-size: 17px;
    }

    .downloadButton span::before {
        left: -41px;
        width: 31px;
        height: 38px;
    }

    .downloadButton span::after {
        right: -31px;
        width: 24px;
        height: 23px;
    }

    #backToTop {
        right: 18px;
        bottom: 18px;
        width: 44px;
    }
}

@media screen and (max-width: 374px) {
    .pageLinkInner {
        padding-right: 20px;
        padding-left: 20px;
    }

    .downloadButton span {
        font-size: 12px;
    }
}