#concept-first {
    position: relative;
    background-color: #FEF9E6;
    padding: 220px 0 0 0;
}
#concept-first .greetings p {
    font-weight: bold;
    font-size: 18px;
    padding: 45px 0 35px 0;
    line-height: 2.5;
    border-top: 1px solid #C22F4D;
    border-bottom: 1px solid #C22F4D;
    text-align: center;
    margin-bottom: 85px;
}
#concept-first .greetings .view {
    position: relative;
    width: 100%;
    margin-bottom: 50px;
}
#concept-first .greetings .view img {
    width: 100%;
    aspect-ratio: 2 / 1;
    border-radius: 13px;
}
#concept-first .greetings .view .txt {
    position: absolute;
    width: 40%;
    left: -75px;
    bottom: -40px;
}
#concept-first .intro p {
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    line-height: 1.8;
}
#concept-first .intro p span {
    color: #C22F4D;
}
@media screen and (max-width: 768px) {
    #concept-first {
        padding-top: 90px;
    }
    #concept-first .greetings p {
        font-size: 14px; /* 修正済み */
        padding: 38px 0 38px 0;
        line-height: 2;
        text-align: center;
        margin-bottom: 30px;
    }
    #concept-first .greetings .view .txt {
        width: 51%;
        left: -10px;
    }
    #concept-first .intro p {
        font-size: 16px; /* 修正済み */
        line-height: 1.9;
    }
}

#concept-second .icon {
    position: absolute;
    z-index: 5;
    width: 18%;
    max-width: 180px;
    bottom: 170px;
    left: -60px;
}
#concept-second .tr-icon {
    position: absolute;
    z-index: 5;
    width: 25%;
    max-width: 250px;
    top: -20px;
    right: -70px;
}
#concept-second .item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 120px;
}
#concept-second .item:nth-child(2n) {
    flex-direction: row-reverse;
}
#concept-second .item img {
    width: 45%;
    aspect-ratio: 91 / 68;
    object-fit: cover;
    border-radius: 13px;
}
#concept-second .item .logo-block {
    width: 45%;
    aspect-ratio: 91 / 68;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 13px;
}
#concept-second .item:nth-child(2) img {
    display: block;
    width: 95%;
    aspect-ratio: unset;
}
#concept-second .item .txt {
    width: 50%;
}
#concept-second .item h3 {
    color: #C22F4D;
    font-weight: bold;
    font-size: 26px;
    line-height: 1.75;
    margin-bottom: 20px;
}
#concept-second .item p {
    font-size: 16px;
    line-height: 2.7;
}
#concept-second .image {
    position: relative;
    width: 100%;
    margin-bottom: 110px;
}
#concept-second .image img {
    width: 100%;
}
#concept-second .image .txt {
    position: absolute;
    width: 40%;
    right: -40px;
    bottom: -60px;
}
#concept-second .bottom .txt {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 93px;
    text-align: center;
    line-height: 1.8;
}
#concept-second .bottom .txt span {
    color: #C22F4D;
}
#concept-second .bottom .sign {
    text-align: right;
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 15px;
}
#concept-second .bottom img {
    display: block;
    max-width: 216px;
    width: 21%;
    margin: 0 0 0 auto;
}
@media screen and (max-width: 768px) {
    #concept-second .tr-icon {
        z-index: 10;
        width: 25%;
        right: -10px;
    }
    #concept-second .icon {
        width: 30%;
        bottom: 0;
        left: -35px;
        z-index: 10;
    }
    #concept-second .item {
        flex-direction: column;
        margin-bottom: 40px;
    }
    #concept-second .item:nth-child(2n) {
        flex-direction: column;
    }
    #concept-second .item img {
        width: 100%;
        margin-bottom: 20px;
    }
    #concept-second .item .logo-block {
        width: 100%;
        margin-bottom: 20px;
    }
    #concept-second .item .txt {
        width: 100%;
    }
    #concept-second .item h3 {
        font-size: 16px; /* 修正済み */
        line-height: 1.9;
        margin-bottom: 10px;
    }
    #concept-second .item p {
        font-size: 14px; /* 修正済み */
        line-height: 2.1;
    }
    #concept-second .image {
        position: relative;
        width: calc(100% + 40px);
        margin-left: -20px;
        margin-bottom: 75px;
    }
    #concept-second .image img {
        width: 100%;
    }
    #concept-second .image .txt {
        position: absolute;
        width: 70%;
        right: 10px;
    }
    #concept-second .bottom .txt {
        font-size: 16px; /* 修正済み */
        margin-bottom: 27px;
        line-height: 1.9;
    }
    #concept-second .bottom .sign {
        font-size: 14px; /* 修正済み */
        line-height: 1.8;
    }
    #concept-second .bottom img {
        width: 90px;
    }
}