@media screen and (max-width: 810px) {
  .common_banner_area {
    margin: 80px 0 0;
    padding: 40px 0;
  }
  .common_layout_fit + .common_banner_area {
    margin-top: -100px;
  }
  .common_box_title {
    font-size: 1.6rem;
    margin-top: 15px;
    margin-bottom: 15px;
  }
  .common_box_title_category.laser {
    width: 66px;
    top: 5px;
  }
  .common_box_title_category.analysis {
    width: 102px;
    top: 0;
  }
  .common_box_title_category.filter {
    width: 78px;
    top: 5px;
  }
  .common_box_title_category.polarization {
    width: 133px;
  }
  .common_box_desc {
    margin-bottom: 20px;
  }
  .common_box_thumb img {
    width: 100%;
  }
  .common_row + .common_btn {
    margin-top: 30px;
  }
  .common_title_center + .common_btn {
    margin-top: 40px;
  }
  .common_btn a,
  button.common_btn {
    padding: 10px 24px;
    font-size: 1.3rem;
  }
  .common_footer {
    margin-top: 100px;
  }
  .common_footer_header {
    padding: 0 0 48px;
    -webkit-flex-wrap: wrap;
        -ms-flex-wrap: wrap;
            flex-wrap: wrap;
  }
  .common_footer_columns {
    width: 50%;
    margin-top: 48px;
    box-sizing: border-box;
  }
  .common_footer_columns:nth-child(3) {
    width: 100%;
  }
  .common_footer_nav_child_group {
    margin-left: 0;
    width: 50%;
  }
  .common_footer_body {
    display: block;
  }
  .common_footer_copyright {
    margin-top: 12px;
  }
  .common_form {
    margin-top: 40px;
    margin-bottom: 20px;
  }
  .common_form_item {
    display: block;
  }
  .common_form_item_header {
    width: 100%;
    padding: 10px 20px 10px 70px;
  }
  .common_form_item_body {
    padding: 20px;
  }
  .common_form_item_notes {
    left: 20px;
    top: 11px;
  }
  .common_graph {
    margin-top: 30px;
    margin-bottom: 30px;
  }
  .common_graphlist {
    margin-top: 15px;
    margin-bottom: 15px;
  }
  .common_graphlist li a {
    min-height: 50px;
    background-position: 15px 50%;
    background-size: 16px auto;
    padding-left: 50px;
  }
  .common_header {
    padding: 0;
  }
  .hd_body {
    overflow-y: auto;
    position: fixed;
    left: 0;
    top: 60px;
    width: 100%;
    height: calc(100% - 60px);
    z-index: 9;
    background-color: #f8f8f8;
    display: block;
    opacity: 0;
    visibility: hidden;
    -webkit-transition: opacity .3s ease, visibility .3s ease;
    transition: opacity .3s ease, visibility .3s ease;
  }
  .hd_body.open {
    visibility: visible;
    opacity: 1;
  }
  .hd_nav {
    position: static;
    -webkit-transform: none;
        -ms-transform: none;
            transform: none;
    padding-left: 0;
    padding-right: 0;
    padding-top: 20px;
    display: block;
  }
  .hd_nav_toggle {
    position: absolute;
    right: 0;
    top: 0;
    width: 60px;
    height: 44px;
    padding: 0;
    border: none;
    background: #e6e6e6;
    box-sizing: border-box;
  }
  .hd_nav_toggle::before, .hd_nav_toggle::after {
    content: '';
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%) rotate(0deg);
        -ms-transform: translate(-50%, -50%) rotate(0deg);
            transform: translate(-50%, -50%) rotate(0deg);
    width: 15px;
    height: 1px;
    background-color: #231815;
    -webkit-transition: -webkit-transform .3s ease;
    transition: -webkit-transform .3s ease;
    transition: transform .3s ease;
    transition: transform .3s ease, -webkit-transform .3s ease;
  }
  .hd_nav_toggle::after {
    -webkit-transform: translate(-50%, -50%) rotate(90deg);
        -ms-transform: translate(-50%, -50%) rotate(90deg);
            transform: translate(-50%, -50%) rotate(90deg);
  }
  .hd_nav_toggle.open::before {
    -webkit-transform: translate(-50%, -50%) rotate(180deg);
        -ms-transform: translate(-50%, -50%) rotate(180deg);
            transform: translate(-50%, -50%) rotate(180deg);
  }
  .hd_nav_toggle.open::after {
    -webkit-transform: translate(-50%, -50%) rotate(180deg);
        -ms-transform: translate(-50%, -50%) rotate(180deg);
            transform: translate(-50%, -50%) rotate(180deg);
  }
  .hd_nav_btn {
    position: absolute;
    right: 0;
    top: 0;
    z-index: 11;
    width: 60px;
    height: 60px;
    display: block;
    -webkit-appearance: none;
       -moz-appearance: none;
            appearance: none;
    border: none;
    background: transparent;
    text-indent: -5000px;
  }
  .hd_nav_btn:focus {
    outline: none;
  }
  .hd_nav_btn::before, .hd_nav_btn::after {
    content: '';
    display: block;
    width: 25px;
    height: 1px;
    background-color: #231815;
    position: absolute;
    left: 14px;
    top: 19px;
    -webkit-transition: top .6s ease, box-shadow .3s ease .6s, -webkit-transform .6s ease;
    transition: top .6s ease, box-shadow .3s ease .6s, -webkit-transform .6s ease;
    transition: transform .6s ease, top .6s ease, box-shadow .3s ease .6s;
    transition: transform .6s ease, top .6s ease, box-shadow .3s ease .6s, -webkit-transform .6s ease;
  }
  .hd_nav_btn::before {
    box-shadow: 0 9px 0 #231815;
  }
  .hd_nav_btn::after {
    top: 38px;
  }
  .hd_nav_btn.open::before {
    -webkit-transform: rotate(135deg);
        -ms-transform: rotate(135deg);
            transform: rotate(135deg);
    box-shadow: 10px 9px 0 transparent;
    top: 28px;
  }
  .hd_nav_btn.open::after {
    -webkit-transform: rotate(-135deg);
        -ms-transform: rotate(-135deg);
            transform: rotate(-135deg);
    top: 28px;
  }
  .hd_nav_item {
    position: relative;
    margin: 0;
    border-top: 1px solid #ccc;
  }
  .hd_nav_item:first-child {
    border-top: none;
  }
  .hd_nav_item > a {
    font-size: 1.4rem;
    padding: 0 20px;
    height: 44px;
  }
  .hd_nav_links {
    width: 50%;
    padding: 10px 5px;
  }
  .hd_nav_links_index a {
    font-size: 1.5rem;
  }
  .hd_nav_links_list_item a {
    font-size: 1.2rem;
  }
  .hd_nav_child {
    position: static;
    height: auto;
    background: none;
    padding: 0;
    height: 0;
  }
  .hd_nav_child_inner {
    padding: 20px;
  }
  .hd_nav_child_header {
    float: none;
    width: auto;
  }
  .hd_nav_child_body {
    float: none;
    width: auto;
    margin: 10px -5px 0;
  }
  .hd_nav_child_title {
    text-align: center;
    font-size: 2.8rem;
  }
  .hd_nav_child_ruby {
    text-align: center;
    font-size: 1.5rem;
    margin-top: 0;
  }
  .hd_nav_child_btn {
    display: none;
  }
  .hd_nav_child_btn a {
    margin: 0 auto;
  }
  .hd_lang {
    -webkit-box-pack: center;
    -webkit-justify-content: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  .hd_lang_item:first-child a {
    padding-left: 12px;
  }
  .hd_recruit {
    padding-bottom: 80px;
  }
  .hd_recruit a {
    height: 48px;
    text-align: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
        -ms-flex-pack: center;
            justify-content: center;
    margin: 0 20px;
  }
  .common_inquiry_careers {
    margin: 100px -20px -100px;
    padding: 40px 20px;
  }
  .common_inquiry_careers_title {
    font-size: 2.4rem;
  }
  .common_inquiry_careers_desc {
    font-size: 1.5rem;
    margin-bottom: 30px;
  }
  .common_inquiry_careers_btn {
    width: 140px;
  }
  .common_layout_fit {
    margin: 60px -20px;
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .common_layout_fit:last-child {
    margin-bottom: -100px;
  }
  .common_layout_fit.sm {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .common_visual + .common_layout_fit {
    margin-top: -100px;
  }
  .common_layout_fit + .common_promotion,
  .common_layout_fit + .common_promotion.white,
  .common_layout_fit + .common_inquiry {
    margin-top: -60px;
  }
  .common_lead {
    font-size: 2.2rem;
  }
  .common_lead_caption {
    margin-bottom: 40px;
  }
  .common_lead.mb {
    margin-bottom: 40px;
  }
  .common_more {
    margin-top: 0;
    text-align: center;
    margin-top: 20px;
    position: static;
  }
  .common_news {
    padding: 60px 20px 80px;
  }
  .common_news_title {
    font-size: 3.2rem;
  }
  .common_news_title_ruby {
    font-size: 1.5rem;
  }
  .common_office_content {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .common_office_content {
    display: block;
  }
  .common_office_content.lab {
    margin-top: 60px;
  }
  .common_office_content_thumb {
    margin-left: 0;
  }
  .common_office_content_thumb img {
    width: 100%;
    height: auto;
  }
  .common_office_content_title {
    margin-top: 30px;
    line-height: 1.6;
  }
  .common_office_gmap {
    margin-bottom: 60px;
  }
  .common_page_locator {
    top: 260px;
  }
  .common_page.careers .common_page_locator {
    top: 260px;
  }
  .common_page.policy {
    padding-bottom: 60px;
  }
  .common_pdf a {
    min-height: 50px;
    background-position: 15px 50%;
    background-size: 16px auto;
    padding-left: 50px;
  }
  .common_pdflink a {
    min-height: 50px;
    background-position: 15px 50%;
    background-size: 16px auto;
    padding-left: 50px;
  }
  .common_pdflist {
    margin-top: 15px;
    margin-bottom: 15px;
  }
  .common_pdflist li a {
    min-height: 50px;
    background-position: 15px 50%;
    background-size: 16px auto;
    padding-left: 50px;
  }
  .common_pdftable li a {
    min-height: 50px;
    background-position: 15px 50%;
    background-size: 16px auto;
    padding-left: 50px;
  }
  .common_promotion {
    margin: 100px -20px -100px;
    padding: 40px 0;
  }
  .common_promotion_title {
    font-size: 2.4rem;
  }
  .common_promotion_desc {
    font-size: 1.5rem;
    margin-bottom: 30px;
  }
  .rss_data {
    float: none !important;
    margin-bottom: 5px;
  }
  .rss_title {
    padding-left: 0;
    margin-left: 0 !important;
  }
  .rss_title .icon {
    left: 90px;
    height: auto;
    top: 22px;
    padding: 2px 0 4px;
    color: #808080;
  }
  .rss_contents {
    padding-left: 0;
    margin-left: 0 !important;
  }
  .common_summary {
    margin-bottom: 60px;
  }
  .common_summary.lg {
    font-size: 1.8rem;
  }
  .common_swipe_container {
    margin-top: 24px;
    margin-bottom: 24px;
  }
  .common_swipe_container.table {
    margin-bottom: 25px;
  }
  .common_swipe_container.image {
    margin-top: 24px;
    margin-bottom: 24px;
  }
  .common_tab_item a {
    height: 100%;
    padding: 10px;
    height: auto;
  }
  .common_tab_item.col_1 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_1 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 8.333%;
        -ms-flex: 0 0 8.333%;
            flex: 0 0 8.333%;
    max-width: 8.333%;
  }
  .common_tab_item.col_2 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_2-4 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_2 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 16.667%;
        -ms-flex: 0 0 16.667%;
            flex: 0 0 16.667%;
    max-width: 16.667%;
  }
  .common_tab_item.col_3 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_3 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 25%;
        -ms-flex: 0 0 25%;
            flex: 0 0 25%;
    max-width: 25%;
  }
  .common_tab_item.col_4 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_4 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 33.333%;
        -ms-flex: 0 0 33.333%;
            flex: 0 0 33.333%;
    max-width: 33.333%;
  }
  .common_tab_item.col_5 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_5 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 41.667%;
        -ms-flex: 0 0 41.667%;
            flex: 0 0 41.667%;
    max-width: 41.667%;
  }
  .common_tab_item.col_6 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_6 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 50%;
        -ms-flex: 0 0 50%;
            flex: 0 0 50%;
    max-width: 50%;
    border-left: 0;
    border-right: 1px solid #e6e6e6;
  }
  .common_tab_item.col_sm_6:nth-child(2n) {
    border-right: 0;
  }
  .common_tab_item.col_7 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_7 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 58.333%;
        -ms-flex: 0 0 58.333%;
            flex: 0 0 58.333%;
    max-width: 58.333%;
  }
  .common_tab_item.col_8 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_8 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 66.667%;
        -ms-flex: 0 0 66.667%;
            flex: 0 0 66.667%;
    max-width: 66.667%;
  }
  .common_tab_item.col_9 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_9 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 75%;
        -ms-flex: 0 0 75%;
            flex: 0 0 75%;
    max-width: 75%;
  }
  .common_tab_item.col_10 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_10 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 83.333%;
        -ms-flex: 0 0 83.333%;
            flex: 0 0 83.333%;
    max-width: 83.333%;
  }
  .common_tab_item.col_11 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_11 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 91.667%;
        -ms-flex: 0 0 91.667%;
            flex: 0 0 91.667%;
    max-width: 91.667%;
  }
  .common_tab_item.col_12 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_item.col_sm_12 {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    max-width: 100%;
  }
  .common_tab_content {
    padding: 20px;
  }
  .common_table_border th,
  .common_table_border td {
    display: block;
  }
  .common_table_border th {
    padding: 15px 0 0;
  }
  .common_table_border td {
    padding: 0 0 15px;
  }
  .common_table_border.pdftable th {
    padding: 15px 0 0 0;
    width: 100%;
  }
  .common_table_border.downloads th {
    width: auto;
  }
  .common_table_border.downloads th + td {
    padding-top: 0;
  }
  .common_table_border.downloads td + td {
    padding-top: 0;
  }
  .common_table_border_btn {
    width: auto;
  }
  .common_table_spec {
    border-right: 1px solid #e6e6e6;
    border-left: 1px solid #e6e6e6;
    margin-bottom: 25px;
  }
  .common_table_spec th {
    padding: 10px;
  }
  .common_table_spec td {
    padding: 10px 20px;
  }
  .common_swipe_container + .common_table_spec_caution,
  table + .common_table_spec_caution {
    margin-top: 0;
  }
  .common_table {
    border-right: 1px solid #e6e6e6;
    border-left: 1px solid #e6e6e6;
    margin-bottom: 25px;
  }
  .common_table th {
    padding: 10px;
  }
  .common_table td {
    padding: 10px 20px;
  }
  .common_swipe_container + .common_table_caution,
  table + .common_table_caution {
    margin-top: 0;
  }
  .common_thumb {
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .common_time {
    margin-right: 2rem !important;
  }
  .common_title_assort {
    font-size: 2.2rem;
  }
  .common_title_border {
    font-size: 2.4rem;
    margin-top: 60px;
    margin-bottom: 15px;
  }
  .common_title_center {
    font-size: 2.2rem;
    margin-top: 60px;
    margin-bottom: 15px;
  }
  .common_title_center_inner {
    border-bottom: 2px solid #231815;
  }
  .common_title_center + .common_row {
    margin-top: 20px;
  }
  .common_visual {
    margin: 0 -20px 100px;
  }
  .common_visual_inner {
    height: 200px;
  }
  .common_visual_label {
    font-size: 1.8rem;
    bottom: 20px;
  }
  .common_visual_title {
    font-size: 2.8rem;
    white-space: nowrap;
  }
}