@media screen and (max-width: 480px) {
    .background_color_base1 {
        padding: 10px;
    }

    .background_color_base2 {
        padding: 10px;
    }

    .background_color_base3 {
        padding: 10px;
        border: double 5px silver;
    }

    .background_color_base4 {
        padding: 10px;
        border: double 7px silver;
    }

    .border_green_double {
        border-bottom: 5px #027742 double;
    }

    /*------------------ヘッダー(Mobile)---------------------*/
    #header {
        display: none;
    }

    #header_mobile {
        display: block;
        width: 100%;
        border-bottom: 2px silver solid;
    }

    .header_content_area {
        position: relative;
        width: 100%;
        margin: 0 auto;
    }

    .header_logo {
        width: 48px;
        height: 48px;
        margin-right: 10px;
    }

    .header_content_area .header_title_jp {
        margin: 8px 0;
        font-size: 26px;
        text-align: center;
    }

    .header_content_area .header_title_en {
        margin: 8px 0;
        font-size: 16px;
        text-align: center;
    }

    #gnavi_mobile {
        position: fixed;
        top: 0;
        left: -60%;
        width: 60%;
        height: 100%;
        background: white;
        font-size: 22px;
        box-sizing: border-box;
        z-index: 10;
        transition: .3s;
    }

    #gnavi_mobile.open {
        position: fixed;
        left: 0px;
        overflow: hidden;
    }

    #gnavi_mobile .menu_mobile {
        width: 100%;
        height: 100%;
        text-align: start;
        padding: 0;
        margin: 0;
        /*justify-content: center;*/
    }

    #gnavi_mobile .menu_mobile li {
        border-bottom: 1px silver solid;
    }

    #gnavi_mobile .menu_mobile li #close_menu {
        padding: 15px 20px;
        width: 24px;
        height: 24px;
    }

    #gnavi_mobile .menu_mobile li #close_menu:active {
        background-color: #bbe2f1;
    }

    #gnavi_mobile .menu_mobile li a {
        padding: 15px 20px;
        display: block;
        color: inherit;
        text-decoration: none;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    .focus_page_navi {
        background-color: #f5ecf4;
        font-weight: bold;
    }

    /*-------------------------------------------------*/
    /*----------------------ボディ------------------------*/
    #page_body {
        width: 100%;
    }

    .image_area {
        margin: 5px 0 15px;
    }

    .image_area img {
        width: 100%;
        height: auto;
    }

    .slider {
        margin: 5px 0 15px;
    }

    .image_text_area {
        left: 10px;
        top: 10px;
        width: auto;
        padding: 4px 6px;
    }

    .image_text_area h1 {
        font-size: 12px;
        margin-bottom: 5px;
    }

    .image_text_area p {
        font-size: 8px;
    }

    .slide_area a {
        position: absolute;
        right: 10px;
        bottom: 20px;
        font-size: 14px;
        padding: 6px 8px;
    }

    .image_title_text {
        left: 10px;
        top: 10px;
        font-size: 24px;
        padding: 8px 15px;
    }

    #info_important_area {
        width: 96%;
        margin: 10 auto;
        padding: 10px 5px;
        border: solid 2px silver;
        /*線*/
        border-radius: 20px;
        /*角の丸み*/
    }

    .info_important_title {
        display: block;
        font-size: 20px;
        font-weight: bold;
        text-align: center;
    }

    .info_important_text {
        display: block;
        padding: 0 20px;
        font-size: 16px;
    }

    .info_important_emphasis {
        display: block;
        padding: 0 20px;
        font-size: 18px;
        font-weight: bold;
    }

    .info_important_complement {
        margin: 10px auto;
        font-size: 16px;
    }

    .info_important_complement>.info_important_title {
        font-size: 18px;
    }

    .normal_area {
        width: 96%;
        margin: 30px auto;
    }

    .inner_area {
        display: none;
    }

    .inner_area_mobile {
        display: block;
        width: 100%;
        margin: 15px auto 10px;
    }

    #info_list_area {
        height: 360px;
        padding: 0 10px;
    }

    .content_large_title {
        font-size: 24px;
        margin: 10px 0;
    }

    .content_large_title img {
        width: 24px;
        height: auto;
        margin-right: 4px;
    }

    .date {
        font-size: 18px;
    }

    .content_normal_title {
        font-size: 20px;
        margin: 10px 0;
    }

    .content_small_title {
        font-size: 18px;
        margin: 5px 0;
    }

    .content_text {
        font-size: 16px;
    }

    .content_text_note_small {
        font-size: 12px;
    }

    .list_item_clinic {
        padding: 6px 10px;
        border-bottom: silver solid 1px;
    }

    .list_item {
        margin: 15px 0;
        padding: 0 10px;
        border-bottom: silver solid 1px;
    }

    .list_item p {
        margin: 10px 0;
    }

    #greeting_director_content {
        flex-direction: column;
        align-items: center;
    }

    #greeting_director_content #director_img {
        display: none;
    }

    #greeting_director_content #director_img_mobile {
        display: block;
        width: 50%;
        height: auto;
        object-fit: cover;
        margin: 10px 0;
    }

    /* 院長署名 左寄せ */
    #greeting_director_text>img {
        width: 220px;
        height: 51px;
        object-fit: cover;
        display: block;
        margin: 5px 0 10px auto;
    }

    .text_description_in_clinic {
        margin: 10px 0;
    }

    #career_area {
        margin: 10px auto;
        flex-direction: column;
        align-items: center;
    }

    #career_area .section_inner {
        width: 90%;
        margin: 10px 0;
    }

    .philosophy {
        margin: 10px 0;
        flex-direction: column;
        align-items: flex-start;
    }

    .philosophy img {
        width: 55%;
        height: auto;
    }

    .facility_standards {
        width: 90%;
        margin: 10px auto;
    }

    .icon_row {
        margin: 20px 0 40px;
    }

    .icon_area {
        width: 32%;
    }

    .icon_image {
        width: 100%;
        height: auto;
    }

    .icon_text {
        font-size: 16px;
        bottom: -20px;
        text-align: center;
        left: auto;
        transform: none;
        -webkit-transform: none;
        -ms-transform: none;
    }

    .medical_icon_area,
    .equipment_icon_area,
    .flow_icon_area {
        display: none;
    }

    .medical_icon_area_mobile,
    .equipment_icon_area_mobile,
    .flow_icon_area_mobile {
        display: block;
    }

    .description_medical_area img {
        margin-right: 10px;
        width: 25%;
        height: auto;
    }

    .description_area {
        flex-direction: column;
    }

    .description_area img {
        margin: 10px 0;
        width: 55%;
        height: auto;
    }

    .anchor_other_menu_wrapper {
        text-align: end;
        margin: 60px 10px 10px;
    }

    .anchor_other_menu {
        padding: 5px 10px;
        text-decoration: none;
        color: inherit;
        font-size: 18px;
        border-radius: 8px;
    }

    .flow_description_area {
        flex-direction: column;
        justify-content: flex-start;
    }

    #description_whitening {
        display: none;
    }

    #description_whitening_mobile {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
    }

    .attention_whitening_area {
        margin-bottom: 15px;
        width: auto;
    }

    .attention_whitening_selection_area {
        width: 90%;
        margin: 15px auto 0;
        text-align: start;
    }

    .attention_whitening_text {
        font-size: 18px;
        font-weight: bold;
    }

    .attention_whitening_selection {
        font-size: 14px;
    }

    .intro_flow {
        font-size: 16px;
        text-align: start;
        margin: 15px 0px;
    }

    .intro_flow_false_tooth {
        font-size: 16px;
        text-align: start;
        margin: 15px 0;
    }

    .intro_flow_whitening {
        font-size: 16px;
        text-align: start;
        margin: 15px 0px;
    }

    #flow_whitening>img {
        display: block;
        width: 60%;
        height: auto;
        margin: 0 auto 10px;
    }

    #flow_false_tooth,
    #flow_deriodontal {
        width: 96%;
        margin: 30px auto;
    }

    .flow_item_cavity,
    .flow_item_false_tooth,
    .flow_item_deriodontal {
        width: 100%;
        padding: 15px 0;
        border-top: 2px silver solid;
    }

    .flow_item_whitening {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 15px 0;
        border-top: 2px silver solid;
    }

    .flow_item_cavity .icon_image,
    .flow_item_false_tooth .icon_image,
    .flow_item_deriodontal .icon_image {
        width: 40%;
        height: auto;
    }

    .flow_item_whitening .icon_image {
        width: 40%;
        height: auto;
        margin-bottom: 20px;
    }

    .flow_item_whitening .content_text {
        width: 90%;
        margin: 0 auto;
    }

    .flow_content_cavity {
        width: 100%;
        margin-top: 10px;
    }

    .flow_content_false_tooth {
        width: 100%;
        margin-top: 10px;
    }

    .flow_content_deriodontal {
        width: 100%;
        margin-top: 10px;
    }

    .flow_content_cavity>.content_text,
    .flow_content_false_tooth>.content_text,
    .flow_content_deriodontal>.content_text {
        margin-bottom: 10px;
    }

    /* ホワイトニングの施術説明の、小タイトルの上に20pxのスペースを開ける */
    .flow_content_whitening .content_small_title {
        margin-top: 20px;
    }

    .flow_content_whitening .content_text {
        margin-left: 10px;
    }

    .flow_item_description {
        display: flex;
        flex-direction: row;
        align-items: center;
    }

    .flow_item_description img {
        position: static;
        width: 33%;
        margin-right: 10px;
        bottom: auto;
        left: auto;
        transform: none;
        -webkit-transform: none;
        -ms-transform: none;
    }

    .whitening_treatment_content img {
        width: 30%;
        height: 30%;
        margin-right: 5px;
    }

    .text_symptoms {
        height: auto;
    }

    .visited_num_area {
        position: static;
        height: auto;
    }

    .visited_num_area h2.content_normal_title {
        margin-left: 15px;
        margin-right: 15px;
        margin-top: 0;
    }

    .flow_second_row {
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
    }

    #access_area {
        flex-direction: column;
    }

    #map {
        width: 100%;
        height: 350px;
        margin-bottom: 10px;
    }

    #access_text_area {
        width: 100%;
    }

    .attention_area {
        text-align: start;
        margin: 0 30px -15px;
        font-size: 14px;
    }

    .description_access_area2 {
        flex-direction: column;
        align-items: flex-start;
    }

    .description_access_area img {
        margin-right: 10px;
        width: 30%;
    }

    .description_access_area2 img {
        margin-bottom: 10px;
        width: 80%;
    }

    .arrow_down {
        display: block;
        margin: 3px auto;
        height: 20px;
    }

    .recruit_outer_item {
        text-align: center;
    }

    .recruit_outer_item .content_large_title {
        font-size: 20px;
    }

    .recruit_outer_item .content_text {
        text-align: start;
    }

    .illust_recruitment {
        margin-top: 30px;
        width: 60%;
    }

    .recruit_inner_item {
        margin: 10px 0;
    }

    .recruit_inner_item p {
        padding-left: 10px;
    }

    .recruit_contact_area {
        padding-top: 20px;
    }

    .recruit_phone_num_area {
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
    }

    .recruit_phone_num_area .recruit_tel_num:nth-child(1) {
        /* アイコンの垂直方向揃えを合わせるために、補正している */
        position: relative;
        left: -6px;
    }

    .recruit_tel_num {
        font-size: 24px;
        margin: 10px 0;
    }

    .recruit_tel_num img {
        width: 36px;
        height: 36px;
        margin-right: 5px;
    }

    .business_time_area {
        flex-direction: column;
    }

    .business_time_area iframe {
        width: 100%;
        height: 420px;
    }

    .business_time_text_area {
        margin-left: 10px;
        width: 100%;
    }

    .banner_deriodontal_area {
        text-align: center;
        margin-top: 20px;
    }

    .banner_deriodontal_area img {
        width: 80%;
    }

    /*-------------------------------------------------*/
    /*--------------------フッター---------------------*/
    #footer {
        width: 100%;
        margin-top: 15px;
        /* 10+61 (ボトムメニューの分) */
        padding-bottom: 71px;
    }

    #footer_content {
        width: 100%;
        margin: 10px auto;
    }

    #footer_address {
        margin-left: 50px;
        margin-bottom: 30px;
    }

    .tel_num_footer {
        width: 140px;
    }

    .business_time_foot_area {
        flex-direction: column;
    }

    .business_time_foot_area table {
        width: 90%;
        height: auto;
        margin: 0 auto;
    }

    .business_time_foot_area th {
        border: 1px solid silver;
        padding: 4px 2px;
        text-align: center;
        font-size: 14px;
        white-space: nowrap;
    }

    .business_time_foot_area td {
        border: 1px solid silver;
        padding: 4px 2px;
        text-align: center;
        font-size: 14px;
        white-space: nowrap;
    }

    .business_time_foot_area .business_time_description {
        width: auto;
        margin-top: 10px;
        margin-left: 50px;
    }

    #copy_right {
        text-align: center;
        font-size: 8px;
        margin-top: 30px;
    }

    /*-------------------------------------------------*/
    /*----------------その他--------------------*/
    #fade_layer {
        display: none;
        opacity: 0;
        position: fixed;
        top: 0px;
        left: 0px;
        width: 100%;
        height: 100vh;
        background-color: #000000;
        z-index: 8;
        animation: fade_out_screen .3s linear forwards;
    }

    #fade_layer.fade_in_effect {
        display: block;
        opacity: 0.5;
        animation: fade_in_screen .3s linear forwards;
    }

    @keyframes fade_in_screen {
        0% {
            display: none;
            opacity: 0;
        }

        1% {
            display: block;
            opacity: 0;
        }

        100% {
            display: block;
            opacity: 0.5;
        }
    }

    #bottom_menu_area {
        display: block;
        position: relative;
        width: 100%;
        z-index: 6;
    }

    #bottom_menu {
        width: 100%;
        position: fixed;
        bottom: 0px;
        padding: 0px;
        margin: 0 auto;
        background-color: #FAF9F0;
        border-top: 2px silver solid;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    #bottom_menu li {
        list-style: none;
        font-size: 18px;
        width: 50%;
        float: left;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    #bottom_menu li:nth-child(1) {
        border-right: 1px silver solid;
    }

    .bottom_menu_item {
        padding: 5px 0;
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-decoration: none;
        color: inherit;
    }

    .bottom_menu_item:active {
        background-color: #bbe2f1;
    }

    .bottom_menu_item img {
        width: 24px;
        height: 24px;
        margin-bottom: 5px;
    }

    #icon_menu {
        display: block;
        position: relative;
        margin-bottom: 5px;
        width: 24px;
        height: 24px;
    }

    #icon_menu span {
        display: block;
        position: absolute;
        left: 0;
        width: 100%;
        height: 4px;
        background-color: #027742;
        border-radius: 4px;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }

    #icon_menu span:nth-child(1) {
        top: 0px;
    }

    #icon_menu span:nth-child(2) {
        top: 10px;
    }

    #icon_menu span:nth-child(3) {
        bottom: 0px;
    }
}

@media screen and (max-height: 490px) {
    #gnavi_mobile .menu_mobile li #close_menu {
        padding: 10px 20px;
        width: 20px;
        height: 20px;
    }

    #gnavi_mobile {
        font-size: 18px;
    }

    #gnavi_mobile .menu_mobile li a {
        padding: 10px 20px;
    }
}