@charset "utf-8";
*, *::before, *::after {
    box-sizing: border-box;
}
body {
    font-family: Arial, Helvetica, Verdana, 'Noto Sans JP', 'メイリオ', Meiryo, 'ヒラギノ角ゴ ProN', 'Hiragino Kaku Gothic ProN', sans-serif;
    font-size: 16px;
    color: #575d61;
    margin: 0;
}
img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}
a:link, a:visited, a:active {
    color: #323638;
}
.arrow_circle {
    position: relative;
    display: inline-block;
    padding-left: 1.5em;
    text-decoration: none;
}
.arrow_circle::before {
    content: '';
    width: 1em;
    height: 1em;
    background: #3e8acc;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}
.arrow_circle::after {
    content: '';
    width: 0.35em;
    height: 0.35em;
    border-top: solid 0.15em #fff;
    border-right: solid 0.15em #fff;
    position: absolute;
    top: 50%;
    left: 0.3em;
    transform: translateY(-50%) rotate(45deg);
}
.color-obd {
    color: #257ad7;
}
.color-sensor {
    color: #d9810b;
}
h1.main-title {
    font-weight: 400;
    font-size: 50px;
    line-height: 1.2;
    color: #323638;
    margin: 0;
}
span.main-title-2 {
    display: inline-block;
    font-weight: 700;
}
span.text-large {
    font-size: 110%;
}
p.title-caption {
    font-size: 19px;
    margin-top: 20px;
    margin-bottom: 20px;
}
ul.caution {
    font-size: 14px;
    padding-left: 15px;
    margin-bottom: 25px;
}
ul.caution li {
    margin-bottom: 8px;
}
a.txt-link {
    color: #338acc;
    text-decoration: underline;
}
/* Flexbox / Grid Layout */
.main-visual {
    display: flex;
    flex-wrap: wrap;
}
.title-block-left {
    width: 40%;
    padding: 0 15px;
}
.title-block-right {
    width: 60%;
    padding: 0 15px;
}
.content-grid {
    display: flex;
    flex-wrap: wrap;
}
.block {
    width: 50%;
    padding: 0 15px;
    margin: 15px 0;
}
h4 {
    font-size: 16px;
    font-weight: 400;
    margin-top: 20px;
    margin-bottom: 8px;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
.container {
    max-width: 990px;
    width: 100%;
    margin-right: auto;
    margin-left: auto;
}
.contents {
    margin-top: 45px;
}
.pd {
    padding-right: 15px;
    padding-left: 15px;
}
.link-page {
    font-size: 19px;
    padding-top: 10px;
}
.header_container {
    background: #111111;
}
.header {
    padding-top: 15px;
    padding-bottom: 15px;
}
/*--------------------------------------
  タブレット・モバイル表示設定
--------------------------------------*/
@media only screen and (max-width: 920px) {
    body {
        font-size: 14px;
    }
    h1.main-title, span.main-title-2 {
        font-size: 40px;
    }
    p.title-caption {
        font-size: 14px;
    }
    ul.caution {
        font-size: 12px;
    }
}
@media only screen and (max-width: 767px) {
    .header {
        padding-right: 0;
        padding-left: 0;
    }
    .title-block-left, .title-block-right, .block {
        width: 100%;
    }
    h1.main-title, span.main-title-2 {
        font-size: 32px;
    }
    p.title-caption {
        font-size: 15px;
        margin-top: 10px;
        margin-bottom: 15px;
    }
    .link-page {
        font-size: 17px;
    }
}