.bg-light-grey{
    background: #F4F6FA;
}
.b-section-game-mode{
    padding: 100px 0;
    font: 16px/26px Inter, sans-serif;
    color: #353F4B;
}
.mobile .b-section-game-mode{
    padding: 60px 0;
}
.unit{
    max-width: 100%;
    width: 1000px;
    margin-top: 60px;
    text-align: justify;
    text-align-last: justify;
}
.mobile .unit{
    margin-top: 40px;
}
h2.b-text-title{
    font-weight: bold;
    font-size: 36px;
    line-height: 47px;
    letter-spacing: -0.02em;
}
.mobile h2.b-text-title{
    text-align: center;
}
h3.b-text-title{
    font-weight: bold;
    font-size: 24px;
    line-height: 34px;
    letter-spacing: -0.01em;
    margin-bottom: 30px;
}
.b-section-1__img{
    display: inline-block;
    width: 450px;
    aspect-ratio: 3/2;
    vertical-align: middle;
}
.mobile .b-section-1__img{
    display: block;
    margin: auto;
    max-width: 450px;
    width: 100%;
}
.b-section-1__text{
    display: inline-block;
    width: 490px;
    text-align: left;
    text-align-last: left;
    vertical-align: middle;
}
.mobile .b-section-1__text{
    display: block;
    width: 100%;
    margin: 20px 0;
}
.b-section-2__text{
    max-width: 745px;
    width: 100%;
    margin: 20px 0 60px;
}
.mobile .b-section-2__text{
    margin: 20px auto 60px;
}
.b-section-2__img{
    display: inline-block;
    width: 450px;
    aspect-ratio: 9/5;
    vertical-align: top;
}
.mobile .b-section-2__img{
    display: block;
    margin: 0 auto 25px;
    max-width: 490px;
    width: 100%;
}
.b-section-2-unit{
    display: inline-block;
    width: 490px;
    max-width: 100%;
    text-align: left;
    text-align-last: left;
}
.mobile .b-section-2-unit{
    display: block;
    margin: auto;
}
.b-section-2-unit__content{
    position: relative;
    padding-left: 68px;
}
.mobile .b-section-2-unit__content{
    overflow: hidden;
}
.b-section-2-unit__number{
    position: absolute;
    z-index: 4;
    left: 0;
    top: 0;
    width: 48px;
    height: 48px;
    background: #1583E6;
    border-radius: 24px;

    color: #FFFFFF;
    font-weight: 600;
    font-size: 18px;
    line-height: 48px;
    text-align: center;
    text-align-last: center;
}
.b-section-2-unit__vline{
    position: absolute;
    z-index: 3;
    left: 24px;
    top: 78px;
    width: 1px;
    height: 202px;
    background: url("i/game-mode-vline.png");
}
.b-section-2-unit__note{
    margin-top: 10px;
    padding: 15px 20px;
    font-style: italic;
    font-size: 16px;
    line-height: 26px;
    color: #196AB8;
    background: #FFFFFF;
}