.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", "Noto Sans JP", Arial, Helvetica, sans-serif !important;
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.04em;
    color: #2E2E2E;
    scroll-behavior: smooth;
    background-color: #F7F8FA;
}

/* header */
header {
    width: 100%;
    /* border-bottom: 1px solid #ccc; */
    background-color: #fff;
    z-index: 100;
    position: fixed;
    transition: all 0.3s ease;
}

header .header-inner {
    width: 100%;
    padding: 20px 40px;
    transition: all 0.3s ease;
}

header .logo-area {
    width: 120px;
    transition: all 0.3s ease;
}

header .logo {
    transition: 0.2s;
}

header .logo:hover {
    opacity: 0.6;
}

header.shrink .header-inner {
    padding: 16px 40px;
}

header.shrink .logo-area {
    width: 100px;
}

/* main */
main {
    margin-bottom: 80px;
}

.container {
    max-width: 1080px;
    width: calc(100% - 100px);
    margin: 0 auto;
    padding-top: 120px;
    display: flex;
    gap: 64px;
}

.content {
    width: calc(100% - 420px);
}

.text-area,
.img-area {
    margin-bottom: 48px;
}

.text-area .title {
    margin-bottom: 20px;
}

.text-area .title .category {
    display: inline-block;
    font-size: 13px;
    line-height: 1;
    color: #0755a7;
    border: #0755a7 solid 1px;
    border-radius: 3px;
    padding: 8px 10px 7px;
    margin-bottom: 13px;
    font-weight: 600;
}

.text-area .title h1 {
    font-size: 28px;
    line-height: 1.3;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
    text-align: justify;
}

.text-area .title .freedownload {
    font-size: 12px;
    font-weight: 400;
}

.text-area p {
    font-size: 16px;
    font-weight: 400;
}

.points-area {
    /* padding: 32px; */
    border-radius: 4px;
    /* background-color: #F4F9FF; */
}

.points-area h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    display: inline-flex;
    align-items: center;
}

.points-area h2::before {
    content: '';
    display: inline-block;
    /* background-image: url(../image/lightbulb-solid-full.png); */
    background-image: url(https://media.invoice.ne.jp/lp/whitepaper_download/images/lightbulb-solid-full.png);
    background-size: cover;
    width: 26px;
    height: 26px;
    vertical-align: middle;
    margin-right: 4px;
}

.points-area ul {
    padding-top: 12px;
    border-top: 1px solid #ccc;
}

.points-area ul li {
    font-size: 16px;
    font-weight: 400;
    line-height: 1;
}

.points-area ul li:not(:last-of-type) {
    padding-bottom: 8px;
}

.points-area ul li::before {
    content: '・';
    color: #0755a7;
    font-size: 30px;
    vertical-align: middle;
}

.form {
    margin: 0 auto;
    width: 100%;
    max-width: 420px;
    padding: 32px 32px 40px;
    background-color: #fff;
    border-radius: 8px;
}

/* footer */
footer {
    background-color: #2E2E2E;
    color: #fff;
    padding: 2.5rem 0;
    line-height: 1;
}

.footer__inner {
    position: relative;
    width: calc(1340 / 1440 * 100%);
    margin: 0 auto;
}

.footer__top {
    width: fit-content;
    /* margin: 0 auto; */
    padding-bottom: 0.5rem;
    /* border-bottom: 1px rgba(255, 255, 255, 0.3) solid; */
}

.footer__bottom {
    width: fit-content;
    /* margin: 0 auto; */
    display: flex;
    flex-direction: column;
    align-items: left;
    row-gap: 8px;
    padding-top: 0.75rem;
    /* border-top: 1px rgba(255, 255, 255, 0.3) solid; */
    opacity: 0.7;
}

.footer__top-left {
    display: flex;
    flex-direction: column;
    row-gap: 0.5rem;
}

.footer_logo {
    width: 120px;
}

.footer__copylight {
    font-size: 10px;
    font-weight: 300;
}

.footer__link {
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 1rem;
    font-size: 0.75rem;
    font-weight: 400;
    /* margin-bottom: 1rem; */
}

.footer__link li a {
    text-decoration: solid;
    color: #fff;
    transition: 0.3s ease-out;
}

.footer__link li a:hover {
    opacity: 0.6;
}

.footer__address {
    font-size: 11px;
    font-weight: 300;
    /* opacity: 0.8; */
    line-height: 1.6;
    text-align: center;
}

.privacymark {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: 0.3s ease-out;
}

.privacymark:hover {
    opacity: 0.8;
}

.privacymark img {
    width: 84px;
}


@media screen and (max-width: 1080px) {
    .pc {
        display: none;
    }

    .sp {
        display: block;
    }

    header .header-inner {
        padding: 24px;
    }

    .header .logo-area {
        width: 100px;
    }

    .container {
        width: calc(350 / 390 * 100vw);
        flex-direction: column;
        align-items: center;
    }

    .content {
        width: 100%;
    }

    header.shrink .header-inner {
        padding: 16px;
    }

    header.shrink .logo-area {
        width: 100px;
    }

    .form {
        max-width: none;
    }

    .footer__link li a {
        font-size: 11px;
    }

    .privacymark {
        position: static;
        transform: translateY(0);
        display: flex;
        justify-content: center;
        margin-bottom: 2rem;
    }

    .footer__top {
        margin: 0 auto;
    }

    .footer__bottom {
        width: auto;
        margin: 0 auto;
        align-items: center;
    }
}