.b-why {
    position: relative;
    padding: 80px 0 100px;
}
.mobile .b-why {
    position: relative;
    padding: 40px 15px;
}
.b-why .b-section__description {
    width: 760px;
}
.b-why__flex {
    margin: 16px auto 20px;
    max-width: 1000px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.b-why__item {
    margin-top: 40px;
    width: calc(50% - 10px);
    padding: 42px 44px 44px 48px;
    border-radius: 48px;
    background: #F7F7F8;
    border: solid #15BF4E;
    border-width: 0 4px 4px 0;
    font: 16px/28px 'Open Sans', sans-serif;
    color: #575C63;
    z-index: 1;
}
.b-why__item a {
    color: #575C63;
}
.b-why__img {
    width: 40px;
    height: 40px;
    margin: 0 0 32px;
}
h3.b-why__title {
    margin: 0 0 32px;
    font: 700 24px/36px 'Open Sans', sans-serif;
    color: #1B222F;
}
html[lang='ja'] h3.b-why__title {
    font: 700 22px/36px 'Open Sans', sans-serif;
}

@media (max-width: 850px) {
    .mobile .b-why__img {
        margin: 0 ;
        display: inline-block;
        vertical-align: top;
    }
}
@media (max-width: 690px) {
    .b-why__item {
        width: 100%;
        padding: 14px 24px 24px 24px;
    }
}