@media (min-width: 768px) {
    .introduction .inner {
        position: relative;
        background: url(/campaign/structure_251001/img/message-pc.png) no-repeat;
        width: 100%;
        padding: 20px 50px;
    }
}
@media only screen and (max-width: 767.98px) {
    .introduction .inner {
        background: url(/campaign/structure_251001/img/message-sp.png) no-repeat;
        background-size: 100% 100%;
        width: 100%;
        padding: 30px 20px;
    }
}
.introduction-content p {
    color: #fff;
}
.introduction-content p.yellow {
    color: #f9f5a9;
}
.box .box__body .gold{
    color: #8a7204;   
}
.flex-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}
@media only screen and (max-width: 767.98px) {
    .flex-container {
        gap: 0;
    }
}
@media only screen and (min-width: 768px) {
    .flex-container-pc {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 2rem;
    }
}
.img-wrap {
    height: 100px;
}
.img-wrap img {
    max-height: 100%;
}
@media only screen and (max-width: 767.98px) {
    .sp-rotate-90 {
        transform: rotate(90deg);
    }
}
@media only screen and (min-width: 768px) {
    .box-center {
        width: 960px;
        margin-left: auto;
        margin-right: auto;
    }
}
.explanation {
    position: relative;
}
@media (min-width: 768px) {
    .mt-md-85 {
        margin-top: 85px;
    }
}
.mt-25 {
    margin-top: 25px;
}
@media (min-width: 768px) {
    .mt-md-35 {
        margin-top: 35px;
    }
}
.explanation .explanation-text {
    width: 75%;
    margin-left: auto;
    margin-right: 0;
    background: #f3f3f3;
    border-radius: 8px;
    padding: 15px 15px 15px 20px;
    font-size: 1.3rem;
}
@media (min-width: 768px) {
    .explanation .explanation-text {
        width: 750px;
        padding: 30px 45px;
        font-size: 1.6rem;
    }
}
@media (min-width: 768px) {
    .explanation .step02-img05 {
        left: 0;
        width: 224px;
    }
}
.explanation .step02-img05 {
    position: absolute;
    left: 15px;
    bottom: 0;
    width: 26%;
    z-index: 2;
}