body {
    letter-spacing: 0.1rem;
}
#header-container {
    height: 35rem;
}
#header-content-row {
    height: 100%;
    margin-left: -15px;
    margin-right: -15px;
}
#header-border-container {
    width: 100%;
    height: 100%;
    position: relative;
    background-color: #f7f7f7;
    border-left: 1px solid #77C7EF;
    border-right: 1px solid #77C7EF;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
}
#header-background {
    width: 100%;
    height: 100%;
    position: absolute;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    z-index: 0;
    overflow: hidden;
    background-image: url(../images/AdobeStock_102146794_aquablur.jpeg);
    top: 0;
}
#header-mask {
    height: 100%;
}
#header-image {
    height: 100%;
    background-image: url("../images/wp-logo-round.png");
    background-repeat: no-repeat;
    background-position: right -80px top 1%;
    background-size: 30rem;
    opacity: 0.8;
}
#header-icon {
    height: 100%;
    font-size: 10rem;
    background-color: white;
    opacity: 0.8;
}


#eye-catch-row {
    color: white;
    font-weight: bold;
    text-shadow: 3px 3px 3px #2b2b2b;
    width: 80%;
    margin: 0px auto;
    letter-spacing: 0.1rem;
}
#header-top, #header-bottom {
    font-size: 6rem;
}
#header-middle {
    font-size: 6.8rem;
}
.eye-catch {
    width: 100%;
    float: left;
    position: relative;
    min-height: 1px;
}


#nav-arrow {
    width: 100%;
    display: none;
    position: fixed;
    color: #92c8e9;
    font-size: 5rem;
    right: 0.4rem;
    bottom: 0;
    text-align: center;
}


#border-container {
    width: 80%;
    margin: 0px auto;
    padding: 0 40px;
    border-left: 1px solid #77C7EF;
    border-right: 1px solid #77C7EF;
    box-sizing: border-box;
    box-shadow: 1px 2px 2px #e5e5e5;
    background-color: #f7f7f7;
}


#page-container {
    background-color: inherit;
}


.head-item {
    padding: 10px 25px;
    margin-bottom: 1rem;
}
.head-item > h2 {
    font-size: 3.6rem;
    border-bottom: 1px solid #ddd;
    padding: 0 0 24px 0;
    font-weight: bold;
    color: #888;
    text-shadow: 2px 2px 1px rgba(0,0,0,0.1);
    background-image: url(../images/wordpress-logo-textonly.png);
    background-repeat: no-repeat;
    background-position: right 0px bottom 0px;
    background-size: 30rem;
}


li.panel-column {
    list-style-type: none;
}
.panel-column {
    padding: 15px 25px;
}
.panel {
    background-color: white;
    border-radius: 6px;
    box-shadow: 0px 2px 2px #e5e5e5;
}
.panel-title {
    padding: 10px;
    font-size: 2.6rem;
    padding: 16px 10px;
    background-color: #51abe2;
    border-bottom: 1px solid #999;
    letter-spacing: 0.4rem;
    text-align: center;
    font-weight: bold;
    color: #fff;
    border-radius: 6px 6px 0px 0px;
    text-shadow: 1px 1px 2px #777;
}
.panel-content {
    padding: 15px 10px;
    min-height: 6rem;
    font-size: 1.6rem;
    color: #777;
    letter-spacing: 0.1rem;
}


.panel-ul {
    padding: 25px 25px 0px;
}
.panel-ul .fa-ul {
    margin-left: 0px;
}
.panel-list:nth-child(odd) {
    background-color: #eee;
}
.panel-list {
    margin-left: 0px;
    margin-bottom: 4rem;
    background-color: #fff;
    padding: 16px 12px;
    border-radius: 8px;
    box-shadow: 2px 2px 2px #e5e5e5;
}
.list-icon {
    font-size: 2.8rem;
    margin-right: 2.0rem;
    background-color: #51abe2;
    display: inline-block;
    min-width: 4rem;
    width: 4rem;
    height: 4rem;
    padding: 0.2rem;
    border-radius: 0.6rem;
    line-height: 30;
    vertical-align: middle;
    position: relative;
}
.list-icon .fa {
    color: #fff;
    margin-left: 50px;
    margin-top: 2px;
}


.list-description {
    padding: 0px;
    font-size: 2.6rem;
    margin-right: 2.0rem;
    color: #51abe2;
    font-weight: bold;
    display: inline-block;
    letter-spacing: 0.1rem;
}
.up-description {
    display: block;
}
.list-footnote {
    color: #aaa;
    font-size: 1.4rem;
    display: inline-block;
    margin-left: 4.6rem;
    letter-spacing: 0.1rem;
}


.panel-card {
    padding: 10px 15px;
    background-color: #eee;
    border-radius: 8px;
    box-shadow: 2px 2px 2px #e5e5e5;
}
.panel-image {
    margin: 15px;
    border: 1px solid #999;
    min-width: 160px;
    min-height: 140px;
    max-height: 140px;
    cursor: pointer;
    overflow: hidden;
    background-size: cover;
    padding: 0;
    overflow: hidden;
}
.image {
}
.panel-image-mask {
    background: rgba(0,0,0,0.15);
    height: 140px;
}
.panel-image > div {
    display: block;
}
.panel-image:hover > div {
    display: none;
}
.panel-image-description {
    padding: 15px;
}
.panel-image-description i {
    font-size: 2.8rem;
    color: #51abe2;
    margin-right: 1rem;
    margin-bottom: 0.6rem;
}
.panel-image-description > h3 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
    display: flex;
    display: -webkit-flex;
    align-items: center;
    -webkit-align-items: center;
}
.panel-description {
    font-size: 1.6rem;
    letter-spacing: 0.1rem;
}
.plugin-image {
    position: relative;
    width: 200%;
    height: auto;
}


#install-steps {
    padding-top: 30px;
    border: 10px solid #f7f7f7;
    border-radius: 10px;
}
.blue-up {
    background-color: #e6f5ff;
    transition-property: background-color, border-color;
    transition-duration: .3s;
    transition-timing-function: linear;
}
li.install-description {
    list-style-type: none;
    letter-spacing: 0.1rem;
}
.install-description {
    font-size: 2.2rem;
    padding: 0.8rem 1.6rem;
    color: #fff;
    text-indent: -4.6rem;
    padding-left: 5.8rem;
    background-color: #60A1C1;
    border-radius: 8px;
}
.install-next-arrow {
    color: #cdcdcd;
    font-size: 5rem;
    text-align: center;
}


#sns-buttons {
    text-align: center;
}
#sns-buttons ul {
    padding: 0px;
    margin: 30px 0px;
}
#sns-buttons li {
    display: inline-block;
}
#sns-buttons li.facebook-button > iframe {
    width: 72px;
    height: 40px;
}


.hide {
    display: none;
}


.modal-image {
    width: 100%;
}


@media screen and (max-width: 544px) {
    #header-top, #header-bottom {
        font-size: 2.6rem;
    }
    #header-middle {
        font-size: 2.6rem;
    }
    #eye-catch-row {
        padding-left: 10px;
        width: 95%;
    }
    #nav-arrow {
        display: block;
    }
    #border-container {
        width: 95%;
        padding: 0 10px;
    }
    .head-item {
        padding: 15px;
    }
    .head-item > h2 {
        font-size: 2.6rem;
        background-size: 20rem;
    }
    .panel-column {
        padding: 15px;
    }
    .panel-title {
        font-size: 2.2rem;
    }
    .panel-image {
        margin: 10px;
    }
    .list-description {
        font-size: 1.6rem;
        margin-right: 0rem;
    }
    .list-icon {
        margin-right: 0rem;
    }
    .panel-ul {
        padding: 15px;
    }
    .panel-image-description > h3 {
        font-size: 2.2rem;
    }
    .install-description {
        font-size: 1.6rem;
        text-indent: -3.4rem;
        padding-left: 4.0rem;
    }
}

@media screen and (min-width: 544px) and (max-width: 768px) {
    #header-container {
        height: 35rem;
    }
    #header-top, #header-bottom {
        font-size: 3.0rem;
    }
    #header-middle {
        font-size: 3.8rem;
    }
    #header-image {
        background-size: 35rem;
    }
    #eye-catch-row {
        padding-left: 30px;
    }
    #border-container {
        padding: 0 20px;
    }
    .list-description {
        font-size: 2.2rem;
    }
    .list-footnote {
        margin-left: 6.8rem;
        display: block;
    }
    .modal-lg {
        max-width: 500px;
        width: auto;
    }
}

@media screen and (min-width: 768px) and (max-width: 992px) {
    #header-container {
        height: 35rem;
    }
    #header-top, #header-bottom {
        font-size: 4.0rem;
    }
    #header-middle {
        font-size: 4.8rem;
    }
    #header-image {
        background-size: 35rem;
    }
    #eye-catch-row {
        padding-left: 50px;
    }
    .list-description {
        font-size: 2.6rem;
    }
    .list-footnote {
        margin-left: 6.8rem;
        display: block;
    }
    .modal-lg {
        max-width: 700px;
        width: auto;
    }
}

@media screen and (min-width: 992px) and (max-width: 1200px) {
    #header-container {
        height: 35rem;
    }
    #header-top, #header-bottom {
        font-size: 5.0rem;
    }
    #header-middle {
        font-size: 5.8rem;
    }
    #header-image {
        background-size: 35rem;
    }
    #eye-catch-row {
        padding-left: 50px;
    }
    .list-description {
        font-size: 2.8rem;
        display: block;
    }
    .list-footnote {
        margin-left: 7.0rem;
        display: block;
    }
    .panel-content {
        min-height: 10rem;
    }
    .panel-image-description {
        min-height: 160px;
    }
    .modal-lg {
        max-width: 950px;
        width: auto;
    }
}

@media screen and (min-width: 1200px) {
    #header-container {
        height: 40rem;
    }
    #header-top, #header-bottom {
        font-size: 6.0rem;
    }
    #header-middle {
        font-size: 6.8rem;
    }
    #header-image {
        background-size: 45rem;
    }
    #eye-catch-row {
        padding-left: 50px;
    }
    .list-description {
        font-size: 2.8rem;
    }
    .list-footnote {
        margin-left: 0rem;
    }
    .panel-content {
        min-height: 10rem;
    }
    .panel-image-description {
        min-height: 160px;
    }
    .modal-lg {
        max-width: 1150px;
        width: auto;
    }
}