main{
    padding-top:70px;
    padding-bottom:60px;
}
main::before {
    content: "";
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
}
.blog_flex{
    display:flex;
    justify-content: space-between;
}
.blog_flex .main_section{
    gap:40px;
}
#midorien main::before {
    background: url(../img/midorien/background.jpg) no-repeat center / cover;
}
#midorien-ayaha main::before {
    background: url(../img/ayaha/background.jpg) no-repeat center / cover;
}
#nagisa main::before {
    background: url(../img/nagisa/background.jpg) no-repeat center / cover;
}
.copy_right{
    margin-top:70px;
}
article{
    width: 100%;
    background-color:white;
    border-radius: 10px;
    padding: 15px;
    padding-bottom: calc(15px + 1em);
    position: relative;
}
article .img_box{
    width:100%;
    height: inherit;
    aspect-ratio: 5/3;
}
article .img_box img{
    border-radius:0;
}
.top_img{
    width:100%;
    height:350px;
    margin-bottom: 60px;
    position:relative;
}
.top_img img{
    position:absolute;
    width:100%;
    height:100%;
    object-fit:cover;
}
.left_content{
    width: calc(100% - 370px);
    width: 63%;
}
.content_time{
    text-align: left;
    font-size: 14px;
    margin-bottom: 0px;
    position: absolute;
    bottom: 15px;
}
.list_flex{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.list_flex article{
    width:48%;
    margin-bottom: 40px;
}
article figure img{
    border-radius:10px;
}
article p{
    font: normal normal normal 16px/28px Noto Sans JP;
}
.flex_links{
    display:flex;
    justify-content: center;
    align-items: center;
    gap:20px;
    margin-top:35px;
}
.top_link{
    color:white;
    font-weight: bold;
    font-size: 14px;
    font: normal normal bold 14px Noto Sans JP;
    text-align: center;
    padding: 6px 25px;
    border-radius:12px;
}
.prev,
.next{
    display:block;
    width: 20px;
    height:20px;
    position: relative;
    border-radius: 50%;
    margin-top: 2px;
}
.prev,
.next{
    width: 20px;
}
.new_list li {
    background-image: linear-gradient(to right, #333, #333 6px, transparent 6px);
    background-size: 10px 1px;
    background-position: left bottom;
    background-repeat: repeat-x;
    padding-bottom:20px;
    margin-bottom:20px;
}
.nav-links{
    display: flex;
    gap: 30px;
    justify-content: center;
    align-items: center;
}
.nav-links span{
    position:relative;
}
.nav-links span::before{
    content:"";
    display: block;
    width:100%;
    height:2px;
    position:absolute;
    bottom:3px;
    left: 0;
}
.nav-links .prev::before{
    content:"";
    display: block;
    width: 7px;
    height: 7px;
    position:absolute;
    top:calc(50% - 4px);
    left:calc(50% - 3px);
    top: 0;
    right: 0;
    bottom: 0;
    left: 2px;
    margin: auto;
    transform: rotate(45deg);
    border-bottom: solid white 2px;
    border-left: solid white 2px;
}
.nav-links .next::before{
    content:"";
    display: block;
    width: 7px;
    height: 7px;
    position:absolute;
    top:calc(50% - 4px);
    left: calc(50% - 5px);
    top: 0;
    right: 2px;
    bottom: 0;
    left: 0;
    margin: auto;
    transform: rotate(-45deg);
    border-bottom: solid white 2px;
    border-right: solid white 2px;
}
/* みどり園 */
#midorien .content_time,
#midorien .sidebar_time,
#midorien .department_text,
#midorien .nav-links span,
#midorien .toggle_title::marker{
    color: #3B995C;
}
#midorien .sidebar .toggle_title::before{
    color: #3B995C;
}
#midorien .new_list li {
    background-image: linear-gradient(to right, #3B995C, #3B995C 6px, transparent 6px);
}
#midorien .side_title,
#midorien .top_link,
#midorien .prev,
#midorien .nav-links span::before,
#midorien  .next{
    background-color:#3B995C;
}
/* あやは */
#midorien-ayaha .content_time,
#midorien-ayaha .sidebar_time,
#midorien-ayaha .department_text,
#midorien-ayaha .nav-links span,
#midorien-ayaha .toggle_title::marker{
    color: #FA742B;
}
#midorien-ayaha .new_list li {
    background-image: linear-gradient(to right, #FA742B, #FA742B 6px, transparent 6px);
}
#midorien-ayaha .sidebar .toggle_title::before{
    color: #FA742B;
}
#midorien-ayaha .side_title,
#midorien-ayaha .top_link,
#midorien-ayaha .prev,
#midorien-ayaha .nav-links span::before,
#midorien-ayaha .next{
    background-color: #FA742B;
}
/* なぎさ */
#nagisa .content_time,
#nagisa .sidebar_time,
#nagisa .department_text,
#nagisa .nav-links span,
#nagisa .toggle_title::marker{
    color: #3D87BF;
}
#nagisa .new_list li {
    background-image: linear-gradient(to right, #3D87BF, #3D87BF 6px, transparent 6px);
}
.sidebar .toggle_title::before{
    color: #3D87BF;
}
#nagisa .side_title,
#nagisa .top_link,
#nagisa .prev,
#nagisa .nav-links span::before,
#nagisa .next{
    background-color: #3D87BF;
}
.department_text{
    font-size:16px;
    font-weight: bold;
    padding-left: 28px;
    padding-left: 1.8em;
    margin-top: 10px;
    position:relative;
}
.department_text::before{
    content:"";
    width:23px;
    width: 1.4em;
    height:100%;
    display:block;
    position:absolute;
    left: 0;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
}
#midorien .department_text::before{
    background-image: url("../img/blog/midori_3.svg");
}
#midorien-ayaha .department_text::before{
    background-image: url("../img/blog/ayaha_3.svg");
}
#nagisa .department_text::before{
    background-image: url("../img/blog/nagisa_3.svg");
}
h2{
    font: normal normal bold 16px/22px Noto Sans JP;
    margin-bottom:25px;
}
/* sidebar*/
.sidebar_flex{
    display:flex;
    gap:20px;
}
.sidebar{
    width:300px;
    width: 30%;
}
.sidebar_time{
    font-size:14px;
}
.img_box{
    position:relative;
    width:70px;
    height:70px;
}
.sidebar_blog_title{
    line-height: 1.3;
    font-weight: bold;
}
.text_section{
    width:calc(100% - 90px);
}
.img_box img{
    position:absolute;
    width:100%;
    height:100%;
    object-fit: cover;
    top:0;
    left:0;
    border-radius: 5px;
}
.side_title{
    width:100%;
    text-align: center;
    border-radius: 5px;
    padding: 10px 0;
    color:white;
    font: normal normal normal 20px Noto Sans JP;
    margin-bottom:20px;
}
.sidebar .toggle_title{
    list-style: square;
    position:relative;
    cursor: pointer;
}
.sidebar .toggle_title::before{
    content:"";
    display: block;
    position:absolute;
    width: 8px;
    height: 8px;
    border-bottom: solid 2px;
    border-right: solid 2px;
    transition:all 0.3s ease;
    transform: rotate(45deg);
    top:calc(1em - 5px);
    right: 10px;
}
.sidebar .toggle_title.selected::before{
    transform: rotate(225deg);
    top:1em;
}
.sidebar ul{
    margin-bottom:50px;
}
.toggle_title ul{
    display: none;
    padding-left: 20px;
    margin-bottom:10px;
    position:relative;
    z-index: 10;
}
.toggle_contents{
    padding-left: 20px;
}

@media (max-width: 1080px) {
    main {
        padding-top: 60px;
        padding-bottom: 0;
    }
    .blog_flex {
        flex-direction: column;
        gap: 50px;
    }
    .left_content, 
    .sidebar {
        width: 100%;
    }
    .list_flex article {
        width: calc((100% - 20px) / 2);
    }
}
@media (max-width: 767px) {
    .top_img {
        height: auto;
        aspect-ratio: 767 / 350;
    }
    .list_flex article {
        margin-bottom: 15px;
    }
    .department_text,
    h2 {
        font-size: 14px;
    }
}
@media (max-width: 600px) {
    .list_flex article {
        width: 100%;
        padding: .94em;
    }
    .list_flex article a {
        display: flex;
        gap: .94em;
    }
    .list_flex article .img_box {
        width: 40%;
    }
    .list_flex article .text_box {
        width: calc(60% - .94em);
        display: flex;
        flex-direction: column;
    }
    .department_text {
        line-height: 1;
        margin-top: .6em;
        margin-bottom: .5em;
    }
    h2 {
        margin-bottom: .3em;
    }
    .content_time {
        position: relative;
        bottom: auto;
        margin-top: auto;
    }
}
@media (max-width: 400px) {
    .department_text {
        font-size: clamp(0.75rem, -0.375rem + 5vi, 0.875rem);
    }
}