/*---------------------------------
  blog-area
---------------------------------*/
.blog-area {
    width: 100%;
    position: relative;
    display: block;
    padding: 80px 0 50px ;
    backdrop-filter: blur(2px);
    color: #22222a;
}

.blog-area .blog-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px ;
    padding: 10px 0 0 200px ;
    margin: 0 0 80px;
}

.blog-area .blog-list li {
    width: calc(( 900px / 2));  
    border-radius: 5px;
    position: relative;
}
.blog-area .blog-list li a {
    display: block;
    width: 100%;
    box-shadow: 0 0 10px rgba(16, 16, 16, 0.7);
    transition: all .4s ease;
    opacity: 1;
    background:  rgba(255, 255, 255, 0.7);
    border-radius: 10px;
}

.blog-area .blog-list li a:hover {
    box-shadow: 0 0 0 rgba(16, 16, 16, 0);
    opacity: .7;
}

.blog-area .blog-list li a  .blog-img  {
    width: 100%;
    height: 360px;
    margin: 0 0 15px;
}

.blog-area .blog-list li a  .blog-img img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    border-radius: 5px 5px 0 0;
}

.blog-area .blog-list li a  .tag {
    position: absolute;
    display: block;
    font-size: 1.3rem;
    top: -10px;
    left: -10px;
    color:#fff ;
    padding: 5px 10px;
    border-radius: 0 20px 20px 0;
}

.blog-area .blog-list li a  .tag.tag01 {
    background: rgb(227, 129, 129);
}
.blog-area .blog-list li a  .tag.tag02 {
    background: rgb(113, 142, 206);
}
.blog-area .blog-list li a  .tag.tag03 {
    background: rgb(62, 160, 124);
}
.blog-area .blog-list li a  .tag.tag04 {
    background: rgb(215, 138, 50);
}

.blog-area .blog-list li a h3 {
    font-size : 1.4rem;
    line-height: 1.8;
    font-weight : bold;
    color: #22222a;
    margin: 0 0 20px;
    padding: 0 15px 20px;
}

.blog-area .blog-list li a .txt {
    font-size : 1.4rem;
    color: #7e7e7e;
    padding: 0 15px 15px;
}

@media screen and (max-width: 768px){
    .blog-area {
        padding:80px 0 50px ;
    }

    .blog-area .blog-list {
        display: flex;
        padding: 40px 0 20px;
        margin: 0;
        gap: 15px;
        justify-content: space-between;
    }

    .blog-area .blog-list li {
        width: calc((100% - 15px) / 2); 
    }

    .blog-area .blog-list li a {
        display: block;
        justify-content:space-between;
    }

    .blog-area .blog-list li a:hover {
        box-shadow: 0 0 10px rgba(16, 16, 16, 0.5);
        opacity: 1;
    }

    .blog-area .blog-list li a  .blog-img  {
        width: 100%;
        height: auto;
        margin: 0 ;
    }

    .blog-area .blog-list li a  .blog-img img {
        width: 100%;
        height:auto;
        object-fit: cover;
    }

    .blog-area .blog-list li a  .tag {
        font-size: 1.2rem;
        top: -7px;
        left: -7px;
        padding: 5px 10px;
    }

    .blog-area .blog-list li a  .txt-box {
        width : 100%;
        padding:13px   10px ;
    }

    .blog-area .blog-list li a h3 {
        font-size : 1.2rem;
        line-height: 1.6;
        margin: 0;
        padding: 0 ;
    }

    .blog-area .blog-list li a .txt {
        display: none;
    }

}

/*---------------------------------
  /blog/ 第2階層
---------------------------------*/


.blog .blog-area .blog-list {
    gap: 40px;
    padding: 0;
    margin: 0 0 80px;
}

.blog .blog-area .blog-list li {
    width: calc(( 1120px / 3));  
    border-radius: 5px;
}


.blog  .blog-area .blog-list li a  .blog-img  {
    height: 300px;
}

.blog  .blog-area .blog-list li a  .blog-img img {
    height: 300px;
}

@media screen and (max-width: 768px){
    
    .blog .blog-area {
        padding: 0 0 50px ;
    }

    .blog .blog-area .blog-list {
        gap: 15px;
        padding: 0 ;
        margin: 0 0 40px;
    }

    .blog .blog-area .blog-list li {
        width: calc((100% - 15px) / 2);     
    }

    .blog  .blog-area .blog-list li a  .blog-img  {
        height: auto;
    }

    .blog  .blog-area .blog-list li a  .blog-img img {
        height: auto;
    }

}

/*---------------------------------
  フィルター
---------------------------------*/

.filter {
    display: flex;
    gap: 15px;
    margin: 0 0 50px;
}

.filter li {
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    border:  solid 1px #7e7e7e;
    border-radius: 20px;
    padding: 8px 15px;
    letter-spacing: .05em;
}

.filter li.is-active {
    color: #fff;
    background: #494949;
}

.category li {
    display: none;
}

.category li.is-show {
    display: block;
}

@media screen and (max-width: 768px){
    .filter {
        display: flex;
        flex-wrap: wrap;
        gap: 15px;
        margin: 0 0 50px;
    }

    .filter li {
        font-size: 1.4rem;
        font-weight: bold;
        border:  solid 1px #7e7e7e;
        border-radius: 30px;
        padding: 12px 10px;
        width: calc((100% - 15px) / 2);
        text-align: center;
    }

    .filter li.is-active {
        color: #fff;
        background: #494949;
    }

    .category li {
        display: none;
    }

    .category li.is-show {
        display: block;
    }

}