@charset "UTF-8";

/* ↓共通化する？ */
* {
    line-height: 1.5em;
    letter-spacing: 0.1em;
}
a {
    color: #333333;
    text-decoration: none;
}
a:hover {
    opacity: 0.7;
}
img {
    width: 100%;
}
/* ↑共通化する？ */

.concept {
    padding: 300px 0 200px;
}
.concept-lp__box {
    display: flex;
    position: relative;
    align-items: center;
    flex-wrap: wrap;
}
.concept-lp__box:nth-child(odd) {
    margin-top: -80px;
}
.concept-lp__box .concept-lp__image {
    height: 100%;
    width: 40%;
}
.concept-lp__box:first-child .concept-lp__image {
    width: 100%;
    text-align: right;
}
.concept-lp__box .concept-lp__image img {
    height: 100%;
    width: auto;
}
.concept-lp__box .concept-lp__txt {
    width: 60%;
}
.concept-lp__box .concept-lp__txt .concept-lp__txt_inner {
    width: 40%;
    padding: 0 20px;
}
.concept-lp__box .concept-lp__txt .concept-lp__txt_inner p {
    line-height: 2em;
}
.concept-lp__box:nth-child(odd) .concept-lp__image {
    order: 1;
    text-align: right;
}
.concept-lp__box:nth-child(odd) .concept-lp__txt {
    order: 0;
    position: relative;
}
.concept-lp__box:nth-child(odd) .concept-lp__txt .concept-lp__txt_inner {
    position: absolute;
    right: 0;
    top: -100px;
}

@media screen and (min-width: 1371px) {
    .concept-lp__box .concept-lp__image {
        width: 30%;
    }
    .concept-lp__box .concept-lp__txt {
        width: 70%;
    }
    .concept-lp__box .concept-lp__txt .concept-lp__txt_inner {
        width: 50%;
    }
}
@media screen and (max-width: 1370px) {
    .concept-lp__box .concept-lp__image {
        width: 30%;
    }
    .concept-lp__box .concept-lp__txt {
        width: 70%;
    }
    .concept-lp__box .concept-lp__txt .concept-lp__txt_inner {
        width: 70%;
    }
}
@media (max-width: 968px) {
    .concept-lp__box .concept-lp__txt .concept-lp__txt_inner {
        width: 80%;
    }
    .concept-lp__box:nth-child(odd) {
        margin-top: 0;
    }
    .concept-lp__box:first-child .concept-lp__image img {
        width: 50%;
    }
}
@media (max-width: 568px) {
    .concept-lp__box .concept-lp__image {
        width: 100%;
    }
    .concept-lp__box .concept-lp__txt {
        width: 100%;
    }
    .concept-lp__box .concept-lp__txt .concept-lp__txt_inner {
        width: 100%;
    }
    .concept-lp__box:nth-child(odd) .concept-lp__txt .concept-lp__txt_inner {
        position: static;
    }
    .concept-lp__box:nth-child(odd) .concept-lp__image {
        order: 0;
    }
    .concept-lp__box:nth-child(odd) .concept-lp__txt {
        order: 1;
    }
    .concept-lp__box:first-child .concept-lp__image img {
        width: 100%;
        margin-bottom: 20px;
    }
}