html {
    font-size: 16px;
}

body {
    margin: 0;
    background-color: #fff;
    color: #333333;
    font-family:'メイリオ', 'Meiryo','ＭＳ ゴシック','Hiragino Kaku Gothic ProN','ヒラギノ角ゴ ProN W3',sans-serif;
}

body a {
    text-decoration: none;
    color: inherit;
}

#container {
    margin: 0 auto;
}

header {
    width: 60%;
    margin: 0 auto;
    padding: 25px 0 0 0;
}

.main-logo {
    margin-bottom: 20px;
}

.main-logo img {
    vertical-align: top;
}

.main-photo-box {
    width: 100%;
    position: relative;
}

.main-photo-box img {
    width: 100%;
    vertical-align: top;
}

.main-photo-title-caption {
    margin: 0;
    padding: 15px 0 0 15px;
    position: absolute;
    top: 0px;
    color: #fff;
    text-align: left;
}

.main-photo-title-caption h1 {
    margin: 0;
    font-size: 2em;
    font-family: "M PLUS Rounded 1c";
}

.main-photo-title-caption p {
    margin: 0;
    padding-left: 5px;
    font-size: 1em;
}

.main-photo-since-caption {
    margin: 0;
    padding: 0 20px 15px 0;
    position: absolute;
    bottom: 0px;
    right: 0px;
    color: #fff;
    text-align: right;
}

.main-photo-since-caption p {
    margin: 0;
    font-size: 1em;
}

#update-history {
    color: #003366;
}

main {
    width: 60%;
    margin: 0 auto;
    margin-top: 25px;
}

section {
    width: 100%;
    margin: 50px 0;
}

section h2 {
    margin: 30px 0;
}

.headline-border {
    color: #006699;
    border-left: 10px solid #ff6600;
    padding-left: 10px;
}

#update-history ul li a:hover {
    opacity: 0.7;
}

.list-info li {
    color: #000000;
    line-height: 1.5em;
}

.list-space-top {
    margin-top: 2em;
}

.family-banner img {
    width: 100%;
    vertical-align: top;
}

#species-container {
    width: 100%;
}

#family-container > div {
    width: 49%;
    margin-right: 2%;
    margin-bottom: 2%;
    float: left;
}

#family-container > div:nth-child(2n) {
    margin-right: 0;
}

#family-container::after {
    content: "";
    display: block;
    clear: both;
}

.family-banner {
    position: relative;
}

.family-banner img {
    width: 100%;
    vertical-align: top;
}

.family-banner-caption {
    margin: 0;
    padding: 8px 0 0 8px;
    position: absolute;
    top: 0px;
    color: #fff;
    text-align: left;
}

.family-name {
    font-size: 1.3rem;
    font-weight: bold;
}

.family-scientific-name {
    font-size: 0.9rem;
    margin-left: 2px;
}

.banner-link {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.banner-link:hover {
    background-color: rgba(0, 0, 0, 0.4);
}

#affiliate {
    text-align: center;
}

#e-mail {
    text-align: center;
}

#e-mail img {
    vertical-align: middle;
}

.section-banner {
    margin: 25px 0;
}

.banner-base {
    width: 30%;
    /* height: 50px; */
    margin: 0 auto;
    position: relative;
    font-size: 1.2em;
    background-color: #2a6e96;
    color: #ffffff;
    line-height: 2em;
    border-radius: 5px;
}

.banner-base p {
    text-align: center;
    height: 50px;
    line-height: 50px;
}

.banner-base a {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.link-banner {
    background-color: #006d4f;
    color: #ffffff;
}

#affiliate p {
    margin-top: 10px;
    margin-bottom: 10px;
}

footer {
    width: 60%;
    margin: 0 auto;
    padding: 25px;
    border-top: 1px solid #999999;
}

footer p {
    text-align: center;
}

@media screen and (max-width: 896px) {
    header {
        width: 100%;
        margin: 0 auto;
        padding: 15px 15px 0 15px;
    }

    .main-logo {
        margin-bottom: 10px;
    }

    .main-logo img {
        height: 60px;
    }

    .main-photo-title-caption {
        padding: 10px 0 0 10px;
    }

    .main-photo-title-caption h1 {
        font-size: 1.2em;
    }

    .main-photo-title-caption p {
        padding-left: 0;
        font-size: 0.8em;
    }

    .main-photo-since-caption {
        padding: 0 15px 10px 0;
    }

    .main-photo-since-caption p {
        font-size: 0.8em;
    }

    #update-history ul {
        padding-left: 20px;
    }

    main {
        width: 100%;
        margin: 0 auto;
        margin-top: 25px;
    }

    section {
        margin: 50px 0 25px 0;
        padding: 0 15px;
    }

    section h2 {
        font-size: 1.2em;
    }

    .section-banner {
        margin: 15px 0;
    }

    #family-container > div {
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }

    .diary-banner {
        width: 100%;
        margin-bottom: 5px;
    }

    .banner-base {
        width: 80%;
    }

    #affiliate p {
        margin-top: 5px;
        margin-bottom: 5px;
    }

    footer {
        width: 100%;
        margin: 0 auto;
        padding: 15px;
        border: none;
    }

    footer p {
        margin: 0;
        padding: 15px 0;
        border-top: 0.5px solid #999999;
    }
}