@charset "utf-8";

figure {
    position: relative;
}

/* concept */
/*---------------------------
pc
---------------------------*/
.main-ttl {
    background-image: url(../img/concept/con01.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding: 27% 0;
    position: relative;
}

.main-ttl h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    background: #fff;
    width: 140px;
    height: 140px;
    text-align: center;
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
}

.en-ttl {
    text-align: center;
    padding: 20px 0;
}

.txt {
    font-size: 14px;
    letter-spacing: 0.2px;
    line-height: 2;
}

/* flex */
.column02 {
    flex-wrap: wrap;
    justify-content: space-between;
}

.column02 li {
    width: calc((100% - 10px) / 2);
}

.concept_txt {
    width: 7%;
    margin: 100px auto 40px;
}

.concept_box01 .txt {
    width: 90%;
    text-align: center;
    margin: 0 auto;
}

.main-illust {
    margin-top: -11%;
}

.concept-sec {
    flex-wrap: wrap;
}

.concept-sec .text_box {
    width: 44%;
    padding: 4% 4% 0 12%;
    position: relative;
}

.concept-sec .text_box .text_inner {
    position: relative;
}

.concept-sec .text_box .sub-ttl {
    font-size: 25px;
    font-weight: normal;
    line-height: 1.6;
    margin-bottom: 30px;
}

.concept-sec .image_box {
    width: 56%;
}

.number {
    display: block;
    width: 20%;
    position: absolute;
}

.number.num01 {
    top: -14%;
    left: -3%;
}

.number.num02 {
    bottom: -23%;
    right: -3%;
}

.number.num03 {
    bottom: -14%;
    left: -10%;
}

.concept_box02 {
    margin-bottom: 100px;
}

.concept-sec:nth-of-type(2) {
    margin: -3% 0 4% 0;
}

.concept-sec:nth-of-type(2) .text_box {
    order: 2;
    padding: 12% 12% 0 4%;
}

.concept-sec:nth-of-type(2) .image_box {
    order: 1;
}

.pc_image {
    display: block;
}

.sp_image {
    display: none;
}

.tab_only {
    display: none;
}

/*---------------------------
tab
---------------------------*/
@media only screen and (max-width: 1180px) {
    .tab_only {
        display: block;
    }

    .concept-sec .text_box {
        padding: 0 4% 0 4%;
    }

    .concept-sec .text_box .sub-ttl {
        font-size: 18px;
    }

    .concept-sec:nth-of-type(2) {
        margin: 6% 0 6% 0;
    }

    .concept-sec:nth-of-type(2) .text_box {
        padding: 0 4% 0 4%;
    }

    .number.num02 {
        bottom: -8%;
        right: 0;
    }

    .number.num03 {
        bottom: -8%;
        left: 0;
    }
}

/*---------------------------
sp
---------------------------*/
@media only screen and (max-width: 767px) {

    .tab_only {
        display: none;
    }

    .pc_image {
        display: none;
    }

    .sp_image {
        display: block;
    }

    .main-ttl h2 {
        width: 140px;
        height: 100px;
        top: 50%;
        transform: translate(-50%, -50%);
        bottom: initial;
    }

    .en-ttl {
        font-size: 14px;
    }

    .column02 li {
        width: 100%;
    }

    .column02 li:nth-of-type(2) {
        margin-top: 10px;
    }

    .concept_txt {
        width: 18%;
    }

    .concept_box01 .txt {
        text-align: left;
    }

    .main-illust {
        margin-bottom: 10%;
    }

    .concept-sec .text_box {
        order: 2;
        width: 90%;
        padding: 0;
        margin: 0 auto;
    }

    .concept-sec .image_box {
        width: 100%;
        order: 1;
        margin-bottom: 12%;
    }

    .concept-sec .text_box .sub-ttl {
        margin-bottom: 20px;
    }

    .concept-sec:nth-of-type(2) {
        margin: 10% 0 0 0;
    }

    .concept-sec:nth-of-type(2) .text_box {
        padding: 0;
    }

    .concept-sec:nth-of-type(3) {
        margin: 10% 0 0 0;
    }

    .number.num01,
    .number.num02,
    .number.num03 {
        top: -9%;
        left: 0%;
    }

}