.blog-card {
    box-shadow: 0 10px 20px 0 rgb(0 0 0 / 5%) !important;
    border: 1px solid rgba(0, 0, 0, 0.125);
    background-color: #fff !important;
}
.accordion-button {
    background-color: transparent !important;
    color: #333 !important;
}
.accordion-button:after,
.accordion-button:not(.collapsed):after {
    background-image: url(data:image/svg+xml;base64,PHN2ZyBjbGFzcz0ic3ZnLWlubGluZS0tZmEgZmEtYW5nbGUtZG93biBmYS13LTEwIGZhLWZ3IiBkYXRhLWNsYXNzPSJmYXMiIHN0eWxlPSJjb2xvcjogIzMzMzMzMzsiIGFyaWEtaGlkZGVuPSJ0cnVlIiBmb2N1c2FibGU9ImZhbHNlIiBkYXRhLXByZWZpeD0iZmFzIiBkYXRhLWljb249ImFuZ2xlLWRvd24iIHJvbGU9ImltZyIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB2aWV3Qm94PSIwIDAgMzIwIDUxMiIgZGF0YS1mYS1pMnN2Zz0iIiB3aWR0aD0iMjEiIGhlaWdodD0iMTYuNzk2OSI+PCEtLUZvbnQgQXdlc29tZSBGcmVlIGJ5IEBmb250YXdlc29tZSAtIGh0dHBzOi8vZm9udGF3ZXNvbWUuY29tTGljZW5zZSAtIGh0dHBzOi8vZm9udGF3ZXNvbWUuY29tL2xpY2Vuc2UvZnJlZSAoSWNvbnM6IENDIEJZIDQuMCwgRm9udHM6IFNJTCBPRkwgMS4xLCBDb2RlOiBNSVQgTGljZW5zZSktLT48cGF0aCBmaWxsPSJjdXJyZW50Q29sb3IiIGQ9Ik0xNDMgMzUyLjNMNyAyMTYuM2MtOS40LTkuNC05LjQtMjQuNiAwLTMzLjlsMjIuNi0yMi42YzkuNC05LjQgMjQuNi05LjQgMzMuOSAwbDk2LjQgOTYuNCA5Ni40LTk2LjRjOS40LTkuNCAyNC42LTkuNCAzMy45IDBsMjIuNiAyMi42YzkuNCA5LjQgOS40IDI0LjYgMCAzMy45bC0xMzYgMTM2Yy05LjIgOS40LTI0LjQgOS40LTMzLjggMHoiLz48L3N2Zz4=);
}

.accordion-item {
    border: none;
    padding-bottom: 0.25rem;
    background-color: #f1f1f1;
    color: #333;
}
.accordion-item a {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    color: #333;
}

.top-image {
    max-width: 100%;
    max-height: 350px;
}
.blog-profile-image {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}
.btn-social {
    width: 100px;
}
.blog-contents {
    scroll-behavior: smooth;
}

.blog-contents img {
    max-width: 100%;
}
.blog-contents pre[class*="language-"] {
    position: relative;
    border-radius: 5px;
    padding: 25px 10px 10px;
    line-height: 1.5;
    font-size: var(--code-font-size);
    text-shadow: none;
}

.blog-contents pre[class*="language-"]::before {
    display: block;
    position: absolute;
    top: 3.5px;
    padding: 0 5px;
    border-radius: 2px;
    background-color: #fefefe;
    color: #000000;
    font-size: 0.8em;
    letter-spacing: 0.1em;
}

.blog-contents code[class*="language-"] {
    white-space: pre;
}
.blog-contents pre[class*="language-html"]::before {
    content: "HTML";
    background-color: #dd4c30;
    color: #ffffff;
}
.blog-contents pre[class*="language-css"]::before {
    content: "CSS";
    background-color: #216aaa;
    color: #ffffff;
}
.blog-contents pre[class*="language-javascript"]::before {
    content: "JavaScript";
    background-color: #efd82f;
    color: #ffffff;
}
.blog-contents .jquery-section pre[class*="language-javascript"]::before {
    content: "jQuery";
    background-color: #206aad;
    color: #ffffff;
}

.blog-contents pre[class*="language-php"]::before {
    content: "PHP";
    background-color: #7377ad;
    color: #ffffff;
}

.blog-contents h2 {
    border-left: 10px solid #3da3ec;
    font-size: 26px;
    margin-top: 50px;
    margin-bottom: 20px;
    background-color: #f5f5f5;
    padding: 15px 0 15px 15px;
}

.blog-contents h3 {
    border-bottom: 3px solid #454545;
    margin-top: 50px;
    margin-bottom: 20px;
    line-height: 1.5;
    font-size: 23px;
}
.blog-contents h4 {
    border-left: 5px solid #3da3ec;
    font-size: 20px;
    margin-top: 50px;
    margin-bottom: 20px;
    padding: 8px 0 8px 15px;
    line-height: 1.5;
}

.blog-contents .card-body h3 {
    border-bottom: none;
    margin-bottom: 5px;
}
.blog-contents .fukidashi-first-line {
    border-top: 1px solid #cccccc;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 10px 0 5px;
}

.blog-contents .fukidashi-box-gray {
    position: relative;
    display: inline-block;
    margin-top: 1em;
    min-width: 120px;
    width: 100%;
    color: #555;
    font-size: 16px;
    border: 3px solid #2c3e50;
    border-radius: 0.25rem;
    padding: 7px 10px;
}

.blog-contents .fukidashi-box-gray:before {
    content: "";
    position: absolute;
    top: -23px;
    left: 50%;
    margin-left: -15px;
    border: 8px solid transparent;
    border-bottom: 15px solid #2c3e50;
}

.blog-contents .article-img {
    width: 100%;
    max-width: 600px;
}
.blog-contents .amazon-image {
    margin-top: 10px;
}

.blog-contents h1.site-title {
    line-height: 1.75;
}

.blog-contents .wp-embedded-content {
    max-width: 50%;
}
.blog-contents .frame-green {
    border: 1px solid #3da3ec;
    background-color: #f8fff9;
    margin-bottom: 20px;
}

.blog-contents .frame-gray {
    border: 1px solid #999999;
    background-color: #efefef;
    margin-bottom: 20px;
}

.blog-contents .title-green {
    color: #3da3ec;
    font-weight: bold;
    margin-top: 30px;
    margin-bottom: 0px;
}
.blog-contents .frame-normal {
    padding: 20px;
}
.blog-contents .entry-content p:first-child {
    margin-top: 0;
}
.blog-contents .frame ul,
.frame ol {
    padding: 15px 5px 15px 45px;
    margin-bottom: 0;
}
.blog-contents .frame li {
    line-height: 2;
}

.blog-contents .profile-section img {
    background-size: contain;
    border-radius: 50%;
    height: 150px;
    width: 150px;
}

.blog-contents .fukidashi-top {
    margin: 1rem auto;
}

.blog-contents .fukidashi-top p {
    position: relative;
    padding: 1rem 3rem;
    border: 1px solid #3EA3EC;
    border-radius: 0.3rem;
    background-color: #fcfcfc !important;
    color: #313131;
}

.blog-contents .fukidashi-top p:before {
    position: absolute;
    left: 12px;
    color: #5fcbea;
    font-family: "Font Awesome 5 Free";
    font-weight: 400;
    content: "\f0eb";
}

.blog-contents .btn-section {
    margin: 3rem 0;
    text-align: center;
}

.blog-contents .btn-section p {
    display: inline-block;
    cursor: pointer;
    padding: 7px 20px;
    border-radius: 25px;
    box-shadow: 0 2px 5px 0 rgb(0 0 0 / 20%), 0 2px 10px 0 rgb(0 0 0 / 10%);
    text-decoration: none;
    background-color: #3da3ec;
    color: #fff;
    transition: 0.4s;
}

.blog-contents .link-section {
    margin-top: 2rem 0;
    text-align: center;
}
.blog-contents .img-section {
    text-align: center;
}

.blog-contents .btn-code:hover {
    box-shadow: 0 6px 12px 0 rgb(0 0 0 / 20%), 0 4px 20px 0 rgb(0 0 0 / 10%);
}

.blog-contents .pre-section {
    display: none;
}

.blog-contents .link-section a {
    color: #3da3ec;
    text-decoration: none;
}
.blog-contents .link-section a:hover {
    text-decoration: underline;
}
.blog-contents p {
    font-size: 1.1rem;
    line-height: 1.8;
}
.blog-contents .card-title .favicon {
    display: block;
    height: 20px;
    margin: 0 auto 0.2rem;
    object-fit: contain;
}
.blog-contents .box-footer {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0 2rem;
}

.blog-contents .box-footer img {
    display: block;
    height: 30px;
    margin: 0 auto;
    object-fit: contain;
}

.blog-contents .box-footer a {
    display: block;
    text-decoration: none;
    color: #9e9e9e;
}
.blog-contents figure {
    text-align: center;
}
.blog-contents figure img {
    max-width: 80%;
}

.blog-contents .src-section .image {
    position: relative;
    border: 1px solid #5e5e5e;
    border-top: 30px solid #5e5e5e;
    border-radius: 5px 5px 0 0;
    margin: 0 auto;
    max-width: 80%;
}
.blog-contents .src-section img {
    max-width: 100%;
}
.blog-contents .src-section .image::before {
    position: absolute;
    top: -1.8rem;
    left: 0.5rem;
    content: url(data:image/svg+xml;base64,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);
}
.blog-contents .javascript-jquery pre[class*="language-"] {
    padding: 10px;
}
.blog-contents .javascript-jquery pre[class*="language-javascript"]::before {
    content: none;
}

.blog-contents .iframe-area{
    padding:5rem 0
  }
  

.link-item {
    display: flex;
    margin-bottom: 0.5rem;
    align-items: center;
    gap: 0.5rem;
    background-color: #efefef;
}

.link-item p {
    margin-bottom: 0;
}

.link-item:hover {
    background-color: #e1e1e1;
}

.link-item-icon {
    padding: 0.5rem 0;
    min-width: 70px;
    background-color: #333;
    color: #fff;
    text-align: center;
}

.link-item-text {
    color: #333;
}