@charset "UTF-8";
.main {
    position: relative;
    padding-bottom: 80px;
    overflow: hidden;
}
.main:after {
    content: '';
    display: block;
    width: 100%;
    height: 300px;
    background-color: #fff;
    position: absolute;
    top: 0;
    left: 0;
}
@media (max-width: 750px) {
    .main {
        padding-bottom: 40vw;
    }
    .main:after {
        height: 38.533vw;
    }
}
.column {
    margin-top: 36px;
    position: relative;
    z-index: 1;
}
.column .inner {
    position: relative;
    z-index: 1;
}
.column_dot_bg {
    position: absolute;
    top: 116px;
    left: 0;
    width: 100%;
    height: 464px;
}
@media (max-width: 750px) {
    .column {
        margin-top: 8vw;
    }
    .column_dot_bg {
        top: 15.466vw;
        height: 101.066vw;
    }
}

/* column */
.column_box {
    padding: 30px 60px 40px;
    width: 100%;
    box-sizing: border-box;
    margin-top: 40px;
    position: relative;
}
.column_date {
    display: flex;
    align-items: center;
}
.column_box .column_date_num {
    font-weight: 500;
    font-size: 20px;
    color: #4a3c17;
}
.column_box .column_date_category {
    font-size: 16px;
    padding: 8px 10px;
    line-height: 1;
    font-weight: 500;
    border-radius: 4px;
    border: 1px solid #000;
    display: inline-block;
    margin-left: 15px;
}
.column_ttl {
    line-height: 1.625;
    font-size: 32px;
    font-weight: 700;
    color: #4a3c17;
    margin: 30px 0;
    padding-bottom: 30px;
    border-bottom: 1px solid #ccc;
}
.column_txt,
.column_box p {
    font-size: 20px;
    font-weight: 500;
    line-height: 1.5;
}
.column_img_list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.column_img_list li {
    width: 560px;
    margin-top: 40px;
}
.column_btn {
    width: 236px;
    height: 44px;
    position: relative;
    display: block;
    margin: 40px auto 0;
}
.column_btn .btn_square_txt {
    height: 32px;
    line-height: 32px;
    font-size: 20px;
    padding: 0 0 0 20px;
}
.column_btn .btn_square_txt:after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    position: absolute;
    top: 0;
    left: -3px;
    bottom: 0;
    margin: auto 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 13px solid transparent;
    border-right: 13px solid #a9c447;
    transition: border-right-color 0.3s;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

@media (min-width: 751px) {
    .column_btn:hover .btn_square_txt:after {
        border-right-color: #fff;
    }
}
@media (max-width: 750px) {
    .column_box {
        padding: 6.6666vw 3.2vw 8.5333vw;
        margin-top: 5.333vw;
    }
    .column_box .column_date_num {
        font-size: 3.2vw;
    }
    .column_box .column_date_category {
        font-size: 2.933vw;
        padding: 0.8vw 1.7333vw;
        border-radius: 0.533vw;
        border: 0.2666vw solid #000;
        margin-left: 1.8666vw;
    }
    .column_ttl {
        font-size: 4.8vw;
        margin: 4vw 0;
        padding-bottom: 4vw;
        border-bottom: 0.266vw solid #ccc;
    }
    .column_txt,
    .column_box p {
        font-size: 4vw;
    }
    .column_img_list {
        display: block;
        margin-top: 5.333vw;
    }
    .column_img_list li {
        width: 100%;
        margin-top: 3.2vw;
    }
    .column_btn {
        width: 44vw;
        height: 8.8vw;
        margin: 5.333vw auto 0;
    }
    .column_btn .btn_square_txt {
        height: 6.4vw;
        line-height: 6.2vw;
        font-size: 4vw;
        padding: 0 0 0 4.4vw;
    }
    .column_btn .btn_square_txt:after {
        left: -0.533vw;
        border-top: 1.4666vw solid transparent;
        border-bottom: 1.4666vw solid transparent;
        border-left: 2.4vw solid transparent;
        border-right: 2.4vw solid #a9c447;
    }
}