body {
    background-color: #f4f4f5;
    color: #202733;
    font-family: Noto Sans JP, sans-serif;
    font-optical-sizing: auto;
    line-height: 1.43
}

body.is-fixed {
    overflow: hidden
}

body main {
    overflow-x: clip
}

.ir {
    margin: 16vw 0 21.8666666667vw
}

@media (min-width:52.1875em) {
    .ir {
        margin: 8.3333333333vw 0 6.6666666667vw
    }
}

.ir__inner {
    margin: 0 auto;
    max-width: 87.2vw
}

@media (min-width:52.1875em) {
    .ir__inner {
        max-width: 71.1111111111vw
    }
}
.ir__inner .ir__contents .ir__content {
    margin-bottom: 4vw;
     border-bottom: solid 1px #d4dce6;
}

@media (min-width:52.1875em) {
    .ir__inner .ir__contents .ir__content {
        margin-bottom: 3.33333333vw;
         padding: 0 0 2.22222222vw;
    }
}

.ir__inner .ir__contents .ir__content .ir-content__title {
    font-size: 4.2666666667vw;
    font-weight: 500;
    letter-spacing: .04em;
    line-height: 1;
    margin-bottom: 2.6666666667vw
}

@media (min-width:52.1875em) {
    .ir__inner .ir__contents .ir__content .ir-content__title {
        font-size: 1.94444444vw;
        font-weight: 400;
        margin-bottom: 1.3888888889vw
    }
}

.ir__inner .ir__contents .ir__content .ir-content__explain {
    font-size: 3.2vw;
    font-weight: 400;
    letter-spacing: .04em;
    line-height: 1.8;
    margin-bottom: 1em;
}

@media (min-width:52.1875em) {
    .ir__inner .ir__contents .ir__content .ir-content__explain {
        font-size: 1.1111111111vw;
        margin-bottom: 0;
    }
}

.ir__table {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 4vw 0;
    margin: 8vw auto 0;
}

@media (min-width:52.1875em) {
    .ir__table {
        width: 100%;
        flex-direction: row;
        gap: 0;
        margin: 0 auto;
    }
}

.ir__table .ir__block {
    width: 100%;
    display: block;
    border: solid 0.53333333vw #dde4ec;

}

@media (min-width:52.1875em) {
    .ir__table .ir__block {
        border: solid 0.13888889vw #dde4ec;
    }
}

@media (min-width:52.1875em) {
    .ir__table .ir__block:nth-child(1) {
        border-right: solid 0.06944444vw #dde4ec;
    }
    .ir__table .ir__block:nth-child(2) {
        border-left: solid 0.06944444vw #dde4ec;
    }
}

.ir__table .ir__block .ir__b-ttl {
    padding: 2.66666667vw 0;
    width: 100%;
    background: #202733;
    color: #fff;
    text-align: center;
    font-weight: 400;
    border-bottom : solid 0.53333333vw #dde4ec;
    font-size: 4vw;
}

@media (min-width:52.1875em) {
    .ir__table .ir__block .ir__b-ttl {
        padding: 0.69444444vw 0;
        text-align: center;
        font-weight: 400;
        border-bottom: solid 0.13888889vw #dde4ec;
        font-size: 1.38888889vw;
    }
}

.ir__table .ir__block .ir__b-txt {
    text-align: center;
    padding: 5vw 0;
    font-size: 4vw;
    background: #fff;
}

@media (min-width:52.1875em) {
    .ir__table .ir__block .ir__b-txt {
        padding: 1.66666667vw 0 1.8vw;
        text-align: center;
        font-weight: 400;
        font-size: 1.38888889vw;
    }
}