.background-wrapper {
    max-width: 1300px;
    margin: 20px auto;
    background-repeat: no-repeat;
    background-color: #162e56;
    background-size: 100%;
    overflow: hidden;
}

.background-wrapper-top {
    background-image: url('../img/background-top.jpg');
    background-size: cover;
}

.background-wrapper-concept {
    background-image: url('../img/background-concept.jpg');
}

#contents {
    padding-bottom: 80px;
    background: transparent;
}

.mg-bt-0 {
    margin-bottom: 0;
}

.mg-bt-sm {
    margin-bottom: 10px;
}

.text-yumincho {
    font-family: 'yu-mincho-pr6n','Hiragino Mincho Pro', 'MS PMincho', serif;
    font-weight: normal;
}

.text-dnpgothic {
    font-family: 'dnp-shuei-gothic-gin-std','Hiragino Kaku Gothic Pro', 'Meiryo', sans-serif;
}

.text-white {
    color: #ffffff;
}

.text-blue {
    color: #004EA2;
}

.text-underline {
    text-decoration: underline;
}

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

.text-shadow {
    text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.9);
}

.title-shadow {
    text-shadow: 5px 5px 13px rgba(0, 0, 0, 0.85);
}

.text-character-smaller {
    display: inline-block;
    margin-top: 0.3em;
    font-size: 0.85em;
    line-height: 1em;
    vertical-align: top;
}

.slogan-title {
    margin: 60px 0;
    font-size: 130px;
}

.slogan-title .text-character-smaller {
    font-size: 0.7em;
    margin-top: 0.35em;
}

.slogan-logo {
    max-width: 600px;
}

.slogan {
    margin: 60px 0;
    font-size: 20px;
    line-height: 3em;
}

.section-title {
    font-size: 55px;
    line-height: 1.1em;
}

.section-title-bottom {
    font-size: 45px;
}

.section-button {
    display: block;
    border: #ffffff 1px solid;
    padding: 10px;
    background: #004EA2;
    font-size: 20px;
}

.section-button-new {
    background: #EA5504;
    line-height: 25px;
}

.section-button-new-text {
    display: inline-block;
    margin: 0 15px;
    font-size: 25px;
    vertical-align: bottom;
}

.page-ai-data .section-button {
    border: none;
    background: #004EA2;
}

a.section-button:hover {
    border-color: #EA5504;
}

a.section-button-new:hover {
    border-color: #004EA2;
    color: #004EA2;
}

.ai-banner {
    margin-bottom: 35px;
    background: url('../img/header-bg-data.jpg') no-repeat;
    background-size: 100%;
    background-size: cover;
    position: relative;
    left: -150px;
    z-index: 10;
    width: 1300px;
    overflow: hidden;
}

.ai-banner .pad-box {
    max-width: 1000px;
    margin: 0 auto;
}

.ai-header {
    margin-top: 25px;
}

.ai-header-text, .ai-header-logo {
    float: left;
    margin: 0 1%;
}

.ai-header-text {
    width: 58%;
    font-size: 44px;
}

.ai-header-text-line {
    display: inline-block;
    width: 8%;
    height: 1px;
    background-color: #ffffff;
    vertical-align: middle;
}

.ai-header-text-inner {
    display: inline-block;
    vertical-align: middle;
    line-height: 0;
}

.ai-header-text-inner::after {
    content: '';
    display: inline-block;
    height: 0.9em;
}

.ai-header-logo {
    margin-top: 15px;
    width: 38%;
}

.section-content-margin-top-0 {
    margin-top: 0;
}

.section-content-row {
    margin-bottom: 100px;
}

.page-ai-data .section-content-row {
    margin-bottom: 40px;
}

.section-content-left {
    float: left;
    margin-right: 3%;
}

.section-content-right {
    float: right;
}

.section-content-image {
    margin-bottom: 20px;
    width: 47%;
}

.section-content-image-title-margin {
    margin-top: 120px;
}

.section-content-text {
    width: 50%;
    background-color: rgba(0, 0, 0, 0.5);
}

.page-ai-data .section-content-text {
    background-color: transparent;
}

.section-background-20 {
    background-color: rgba(0, 0, 0, 0.2);
}

.section-background-30 {
    background-color: rgba(0, 0, 0, 0.3);
}

.section-background-blue-light {
    background-color: rgba(0, 0, 50, 0.10);
}

.section-content-title {
    margin-bottom: 20px;
    font-size: 40px;
    line-height: 1.2em;
}

.page-ai-data .section-content-title {
    font-size: 55px;
    line-height: 1.2em;
}

.section-content-title-wide {
    width:100%;
}

.section-content-text-p {
    font-size: 24px;
    line-height: 1.6em;
}

.page-ai-data .section-content-text-p {
    font-size: 22px;
    line-height: 1.8em;
}

.ai-footer-logo {
    margin-top: 80px;
    padding: 0 4%;
}

.video-wrapper {
    position: relative;
	padding-bottom: 73%; /* 16:9 */
	padding-top: 25px;
	height: 0;
}

.video-wrapper iframe {
    position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

.section-content-reveal-button {
    width: 100%;
    max-width: 614px;
    margin: 15px auto;
    border: #ffffff 1px solid;
    padding: 1%;
    background: rgba(3, 47, 105, 0.6);
    font-size: 1.5em;
    cursor: pointer;
}

.page-ai-data .section-content-reveal-button {
    border: none;
    background: #004EA2;
}

.section-content-reveal-button:hover {
    border-color: #EA5504;
    color: #EA5504;
}

.section-content-reveal {
    width: 100%;
    height: 0;
    max-width: 614px;
    margin: 0 auto;
    overflow: hidden;
}

.section-content-reveal-left {
    float: left;
    margin-bottom: 8px;
}

.section-content-reveal-right {
    float: right;
    margin-bottom: 8px;
}

@media only screen and (max-width: 640px) {
    #header {
        background-color: #ffffff;
        min-height: 50px;
    }

    #footer {
        background-color: #ffffff;
    }

    [canvas=container] {
        background-color: transparent;
    }

    .background-wrapper-concept,.background-wrapper-data {
        background-image: none;
        background-color: transparent;
    } 

    body.page-ai:before {
        content: "";
        display: block;
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        z-index: -10;
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
    }
    body.page-ai-concept:before {
        background-image: url('../img/background-concept-sp.jpg');
    }

    .hide-sp {
        display: none;
    }

    .pad-box {
        padding: 0 15px;
    }

    .ai-banner {
       width: 100%;
       left: 0;
    }

    .slogan-title {
        font-size: 44px;
    }

    .section-title {
        font-size: 30px !important;
    }

    .slogan-title {
        margin-bottom: 30px;
    }

    .slogan {
        margin-top: 30px;
        font-size: 16px;
        line-height: 2.5em;
    }

    .section-content-title {
        font-size: 36px;
    }

    .page-ai-data .section-content-title {
        font-size: 36px;
    }

    body.page-ai-concept .section-content-text {
        background-color: transparent!important;
    }

    .section-content-text-p {
        font-size: 20px;
        line-height: 1.5em;
    }

    .page-ai-data .section-content-text-p {
        margin-bottom: 15px;
        font-size: 20px;
        line-height: 1.5em;
    }

    .section-content-image, .section-content-text {
        width: 100%;
    }

    .section-content-image-title-margin {
        margin-top: 0;
    }
    
    .ai-header-text {
        width: 98%;
        font-size: 28px;
    }
    
    .ai-header-text-line {
        width: 5%;
    }
    
    .ai-header-logo {
        width: 98%;
    }

    .section-content-reveal-left, .section-content-reveal-right {
        width: 100% !important;
    }
}