@charset "utf-8";
.top_header {
    background: #D0CFCE;
}

.concept_headding_bg {
    background-image: url("../images/concept_header_visual_bg.png");
}

main {
    padding-top: 88px;
}


/* main_visual */

#main_visual {
    background-image: url("../images/concept_main_visual_bg.png");
    background-size: cover;
    text-align: center;
    margin-bottom: 150px;
}

.main_visual_contents {
    background: rgba(255, 255, 255, 0.8);
    display: inline-block;
    padding: 100px 70px;
    margin: 40px 0;
}

.main_visual_contents_text {
    font-family: TsukuGoPro-B;
    font-family: "Helvetica Neue", "Helvetica", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Arial", "Yu Gothic", "Meiryo", sans-serif;
    font-weight: bold;
}

.main_visual_contents h2 {
    padding-bottom: 30px;
    color: #A6192E;
    font-family: TsukuminPr6-M;
    font-family: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
}

.main_visual_flex {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.main_visual_flex p {
    font-weight: 600;
    line-height: 25px;
}

.main_visual_flex span {
    color: #A6192E;
    font-weight: 600;
}

.three {
    font-size: 1.7rem;
    padding: 0 5px;
}

.main_visual_left {
    border-right: 1px solid;
    border-left: 1px solid;
    width: 25%;
}

.main_visual_center,
.main_visual_right {
    border-right: 1px solid;
    width: 25%;
}

.main_visual_flex h3 {
    padding: 20px 0;
    font-size: 1.4rem;
    font-family: TsukuminPr6-M;
    font-family: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
}

.explain_contents_flex {
    display: flex;
    justify-content: center;
}

.explain_contents_text {
    padding: 100px 0 0 30px;
    border-left: 1px solid #ffffff;
    margin-left: 70px;
}

#explain_contents_1,
#explain_contents_2 {
    position: relative;
    max-width: 1350px;
    margin: 0 auto;
    margin-bottom: 150px;
}

.explain_contents_text h2 {
    padding-bottom: 20px;
    font-size: 1.9rem;
    font-family: TsukuminPr6-M;
    font-family: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
}

.explain_contents_text_area {
    position: absolute;
    color: #ffffff;
    top: 55px;
    padding: 0 2% 100px;
}

.area_1 {
    background: #7E7F74;
    right: 0;
}

.area_2 {
    background: #B8B298;
    left: 0;
    z-index: 1;
}

#explain_contents_2 .explain_contents {
    text-align: right;
}

.fade_on {
    opacity: 1;
}

@keyframes zoomUp {
    0% {
        transform: scale(1);
    }
    100% {
        transform: translateY(-20vh)
    }
}

@media screen and (min-width: 769px) {
    .explain_contents_text_area {
        max-width: 900px;
        width: 60%;
    }
    .area_2 {
        max-width: 1000px !important;
        width: 70% !important;
    }
    .main_visual_contents h2 {
        font-size: 2.0rem;
    }
    .pc_none {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .main_visual_contents {
        padding: 100px 2%;
        margin: 25px;
    }
    .area_1 {
        right: 0;
        left: 0;
        margin: 0 40px;
    }
    .area_2 {
        right: 0;
        margin: 0 40px;
    }
    .explain_contents_text_area {
        top: 40px;
    }
    .explain_contents_text {
        margin-left: 30px;
    }
    .explain_contents_text h2 {
        font-size: 3.2vw;
    }
    .explain_contents_text p {
        font-size: 1.8vw;
    }
    .explain_contents_text_area {
        padding: 0 2% 70px;
    }
}

@media screen and (min-width: 481px) {
    .small_headding {
        font-size: 1.3rem;
    }
}

@media screen and (max-width: 480px) {
    .main_visual_contents_text {
        font-size: 0.8rem;
    }
    .main_visual_flex {
        flex-direction: column;
        align-items: center;
    }
    .main_visual_flex h3 {
        font-size: 1rem;
    }
    .main_visual_contents {
        padding: 50px 2%;
    }
    .main_visual_content {
        width: 75%;
        margin-bottom: 30px;
    }
    .main_visual_center,
    .main_visual_right {
        border-left: 1px solid;
    }
    .main_visual_flex h3 {
        padding: 0 0 10px 0;
    }
    .explain_contents_text_area {
        padding: 0 2% 50px;
        position: relative;
        top: 0;
        margin: 0;
    }
    .explain_contents_text {
        padding: 50px 0 0 30px;
        margin-left: 10px;
    }
    #explain_contents_2 {
        display: flex;
        flex-direction: column;
    }
    .area_2 {
        order: 2;
    }
    .change {
        order: 1;
    }
    #main_visual {
        margin-bottom: 100px;
    }
    #explain_contents_1,
    #explain_contents_2 {
        margin-bottom: 100px;
    }
    .explain_contents_2 {
        position: relative !important;
    }
    .sp_none {
        display: none;
    }
    .small_headding {
        padding-right: 5px;
    }
    .explain_contents_text p {
        font-size: 2.5vw;
    }
}