* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:link { 
    color: #3498db;
}

a:visited { 
    color: #3498db; 
}

a:hover { 
    color: #2ecc71;
    text-decoration:underline;
} 

a:active { 
    color: #2ecc71;
} 

hr {
    background-image: -webkit-linear-gradient(left, transparent, rgba(0, 0, 0, 0.2), transparent);
    background-image: linear-gradient(to right, transparent, rgba(190, 180, 180, 0.2), transparent);
    border: 0;
    height: 1px;
    margin: 22px 0 22px 0;
}

ul {
    padding-left: 0;
}

li {
    list-style: none;
}

body {
    background-color: #121212;
    color: #333;
    line-height: 1.6;
}

.header {
    background-color: #121212;
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: auto;
}

.item-type{
    color: #a6a6a6;
    text-align: center;
}

.main-content {
    padding: 30px 0px;
    background-color: #313131;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.item {
    gap: 20px;
    margin: 30px auto;
    text-align: center;
}

.item-bg {
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.header-image {
    width: 50%;
    max-width: 200px;
    height: auto;
    border-radius: 8px;
    margin-top: auto;
}

.item-image {
    width: 50%;
    height: auto;
}

.item-text {
    color: #a6a6a6;
    text-align: left;
    margin-top: 30px;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.item h2 {
    color: #a6a6a6;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
    text-align: center;
}

.item-text h2 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
    text-align: center;
}

.info-section {
    color: #a6a6a6;
    text-align: left;
    margin-top: 30px;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.info {
}

.footer {
    background-color: #121212;
    color: #e6e7e9;
    text-align: center;
    padding: 30px 0px;
    font-size: 14px;
}

.social-links {
    text-align: center;
}

.social-icon {
    width:40px;
    margin: 0 5px;
}

/*Ipad・PC向け設定*/
@media screen and (min-width: 768px) {
    .br-sp {
        display: none;
    }
}


/*スマホ向け設定*/
@media (max-width: 767px) {
    .item-bg {
        width: 100%;
    }

    .item-image {
        width: 90%;
        height: auto;
    }

    .item h2 {
        font-size: 20px;
    }
    
    .item-text h2 {
        font-size: 20px;
    }

    .item-text {
        width: 90%;
    }

    .info-section {
        width: 90%;
    }

    h3 {
        font-size: 18px;
    }
}