@charset "UTF-8";
html {
    font-size: 100%; /*ユーザー設定の文字サイズを正しく反映*/
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box; /*余白や線を幅や高さに含める*/
}

img {
    max-width: 100%; /*画像が親要素からはみ出すのを防ぐ*/
    height: auto;
}

p {
    margin-bottom: 1rem;
}

body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

div#main {
    width: 100%;
    background-color: #eeeeee;
    color: #000000;
}

header {
    width: auto;
    height: 60vw;
    display: flex;
    position: relative;
}

header#article_header {
    height: 100px;
    margin-bottom: 3rem;
}

h3 {
    text-align: center;
    font-size: 4.6vw;
    font-weight: normal;
    margin: 2rem 0 1rem;
}

div#container {
    position: relative;
    width: 100vw;
    max-width: 100%;
    height: 60vw;
}

.header_image {
    position: absolute;
    width: 100%;
    opacity: 0;
    animation: change-img-anim 30s infinite;
}
  
.header_image:nth-of-type(1) {
    animation-delay: 0s;
}
.header_image:nth-of-type(2) {
    animation-delay: 10s;
}
.header_image:nth-of-type(3) {
    animation-delay: 20s;
}
  
@keyframes change-img-anim {
    0%{ opacity: 0;}
    10%{ opacity: 1;}
    90%{ opacity: 1;}
    100%{ opacity: 0;}
}

header h1 {
    position: absolute;
    top: 2rem;
    left: 5rem;
}

header h1 img {
    width: 15.6vw;
}

header nav ul {
    position: absolute;
    top: 5.2vw;
    right: 6.5vw;
    text-align: center;
}

header nav li {
    display: inline-block;
    vertical-align: middle;
    margin-left: 3rem;
    color: #ffffff;
}

header nav li a {
    text-decoration: none;
}

header div#catchcopy {
    position: absolute;
    top: 18.2vw;
    left: 6.5vw;
    color: #ffffff;
}

.catchcopy_main {
    font-size: 3vw;
}

.catchcopy_sub {
    font-size: 1.2vw;
}

article {
    padding: 0 5rem;
    margin-bottom: 3rem;
}

h2 {
    text-align: center;
    font-size: 6vw;
    font-weight: normal;
    margin-bottom: 1rem;
}

div#biz_waterproof {
    position: relative;
    height: 36vw;
    background-color: #009ecf;
    border-radius: 40px;
}

div#biz_waterproof_catch {
    position: absolute;
    top: 5.2vw;
    left: 7.8vw;
    color: #ffffff;
    width: 29vw;
}

div#biz_waterproof_catch h3 {
    font-weight: 700;
    font-size: 2.3vw;
    margin-bottom: 2rem;
}

div#biz_waterproof img {
    position: absolute;
    top: 0;
    right: 6.5vw;
    border-radius: 40px;
    object-fit: cover;
    width: 36vw;
    height: 36vw;
}

div#biz_painting {
    position: relative;
    height: 36vw;
    background-color: #164c77;
    border-radius: 40px;
}

div#biz_painting_catch {
    position: absolute;
    top: 5.2vw;
    right: 7.8vw;
    color: #ffffff;
    width: 29vw;
}

div#biz_painting_catch h3 {
    font-weight: 700;
    font-size: 2.3vw;
    margin-bottom: 2rem;
}

div#biz_painting img {
    position: absolute;
    top: 0;
    left: 6.5vw;
    border-radius: 40px;
    width: 36vw;
    height: 36vw;
}

div#biz_renovation {
    position: relative;
    height: 36vw;
    background-color: #92e0ff;
    border-radius: 40px;
}

div#biz_renovation_catch {
    position: absolute;
    top: 5.2vw;
    left: 7.8vw;
    color: #ffffff;
    width: 29vw;
}

div#biz_renovation_catch h3 {
    font-weight: 700;
    font-size: 2.3vw;
    margin-bottom: 2rem;
}

div#biz_renovation img {
    position: absolute;
    top: 0;
    right: 6.5vw;
    border-radius: 40px;
    width: 36vw;
    height: 36vw;
}

ul#news_ul li {
    margin-bottom: 1.6rem;
    border-bottom: 1px solid #aaaaaa;
}

ul#news_ul li h3 {
    font-size: 1rem;
    text-align: left;
    font-weight: 700;
}

.flex {
    display: flex;
}

.news_image {
    width: 360px;
    padding: 0 2rem;
}

.news_image img {
    width: 360px;
    height: 240px;
    object-fit: cover;
    border-radius: 40px;
}

.news_contents {
    width: 70%;
    padding: 3rem 2rem 4rem;
}

div#company_area {
    position: relative;
    height: 500px;
}

div#company_text {
    position: absolute;
    width: 29vw;
    padding: 2rem 0;
}

div#company_image_1 {
    position: absolute;
    width: 22vw;
    top: 0;
    right: 26vw;
}

div#company_image_1 img {
    border-radius: 40px;
}

div#company_image_2 {
    position: absolute;
    width: 22vw;
    top: 2rem;
    right: 0;
}

div#company_image_2 img {
    border-radius: 40px;
}

div#company_summary dl {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 5rem;
}

div#company_summary dl dt {
    width: 30%;
    padding: 2.6vw 6.5vw;
    border-bottom: 1px solid #aaaaaa;
    font-weight: 700;
}

div#company_summary dl dd {
    width: 70%;
    padding: 2.6vw 6.5vw;
    border-bottom: 1px solid #aaaaaa;
}

div#map_area {
    position: relative;
    height: 36vw;
    background-color: #164c77;
    border-radius: 40px;
}

div#map_area_text {
    position: absolute;
    top: 5.2vw;
    left: 7.8vw;
    color: #ffffff;
    width: 29vw;
}

div#map_area_text h4 {
    font-weight: 700;
    font-size: 3.6vw;
    margin-bottom: 2rem;
}

div#map_area iframe {
    position: absolute;
    top: 0;
    right: 6.5vw;
    border-radius: 40px;
    width: 36vw;
    height: 36vw;
}

div#contact_tel {
    width: 100%;
    height: 36vw;
    border-radius: 40px;
    background-color: #009ecf;
    margin-bottom: 5rem;
    color: #ffffff;
    text-align: center;
    padding: 11.7vw 0;
}

div#contact_tel h3 {
    font-size: 2.3vw;
    font-weight: 700;
}

div#contact_tel p {
    font-size: 3.9vw;
    font-weight: 700;
}

div#contact_form {
    font-size: 2.6vw;
    padding: 2rem 0;
    margin: 0 auto;
    width: 50vw;
}

div#contact_form input {
    background-color: #ffffff;
}

div#contact_form input[type=text] {
    width: 100%;
}

div#contact_form input[type=mail] {
    width: 100%;
}

div#contact_form textarea {
    width: 100%;
    background-color: #ffffff;
}

div#contact_form input[type=radio]{
    margin-right: 1rem;
    accent-color: #009ecf;
    inline-size: 1.4rem;
    block-size: 1.4rem;
}

div#contact_form input[type=checkbox]{
    margin-right: 1rem;
    accent-color: #009ecf;
    inline-size: 1.4rem;
    block-size: 1.4rem;
}

div#contact_form input[type=submit]{
    margin: 2rem;
    display: inline-block;
	vertical-align: middle;
	padding: 1rem 2rem;
	color: #009ecf;
	font-weight: bold;
	letter-spacing: 0.5pt;
	text-decoration: none;
	background-color: #ffffff;
	border: 1px solid #009ecf;
    border-radius: 20px;
	cursor: pointer;
	transition-duration:0.3s;
    -webkit-transition-duration:0.3s;
    -moz-transition-duration:0.3s;
    -o-transition-duration:0.3s;
    -ms-transition-duration:0.3s;
}

div#contact_form input[type=submit]:hover{
	color: #ffffff;
	background-color: #009ecf;
	border: 1px solid #ffffff;
    border-radius: 20px;
	cursor: pointer;
}

div#contact_form dd {
    padding: 1rem 0 2rem 2rem;
}

div#policy {
    width: 50vw;
    height: 300px;
    margin: 2rem auto;
    padding: 2rem 2rem 0;
    border: 1px solid #999999;
    border-radius: 40px;
    background-color: #cccccc;
    font-size: 0.8rem;
    overflow: scroll;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

div#policy::-webkit-scrollbar {
    display: none;
}

div#policy h4 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1rem;
}

div#policy dt {
    font-weight: 700;
}

div#policy dd {
    padding: 1rem 2rem 2rem;
}

.required {
    font-size: 0.9rem;
    margin-left: 1rem;
    padding: 0.2rem 1rem;
    vertical-align: middle;
    color: #ffffff;
    background-color: #ff52a8;
    border-radius: 30px;
}

.caution {
    font-size: 0.8rem;
    color: #ff52a8;
}

.error {
    width: 50%;
    margin: 0 auto;
    font-size: 1rem;
    color: #ff52a8;
    text-align: center;
}

.success {
    width: 50%;
    margin: 0 auto;
    padding: 1rem 2rem;
    font-size: 1rem;
    color: #009ecf;
    text-align: center;
    border: 1px solid #009ecf;
    border-radius: 30px;
    background-color: #ffffff;
}

.failed {
    width: 50%;
    margin: 0 auto;
    padding: 1rem 2rem;
    font-size: 1rem;
    color: #ff52a8;
    text-align: center;
    border: 1px solid #ff52a8;
    border-radius: 30px;
    background-color: #ffffff;
}

footer {
    width: auto;
    height: 400px;
    background-color: #92e0ff;
    color: #ffffff;
    position: relative;
}

footer div#footer_address_wrapper {
    position: absolute;
    top: 0;
    left: 6.5vw;
    width: 45vw;
    height: 360px;
    background-color: #164c77;
    border-radius: 40px;
}

footer div#footer_address {
    position: absolute;
    top: 7.8vw;
    left: 10vw;
}

footer h2 {
    text-align: left!important;
    font-size: 2.6vw;
    font-weight: 700;
}

footer div#copyright {
    position: absolute;
    bottom: 0;
    right: 6.5vw;
    width: 45vw;
    height: 300px;
    background-color: #009ecf;
    border-radius: 40px;
}

footer div#copyright p {
    position: absolute;
    bottom: 1.3vw;
    right: 6.5vw;
}


.mb-2rem {
    margin-bottom: 2rem;
}

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

.b {
    font-weight: 700;
}

.big {
    font-size: 1.4rem;
}

.bigger {
    font-size: 1.8rem;
}

.biggest {
    font-size: 2.2rem;
}

.small {
    font-size: 0.9rem;
}

.smaller {
    font-size: 0.8rem;
}

.smallest {
    font-size: 0.7rem;
}

.date i {
    margin-right: 0.4rem;
}

.article_contents {
    padding: 2rem 0;
    width: 60%;
    margin: 0 auto;
}

.article_contents img {
    margin-bottom: 2rem;
    border-radius: 40px;
}

.pagetop {
    height: 50px;
    width: 50px;
    position: fixed;
    right: 0;
    bottom: 0;
    background-color: transparent;
    border: none;
    border-radius: 50%;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100;
    cursor: pointer;
}
.pagetop__arrow {
    display: block;
    height: 10px;
    width: 10px;
    border-top: 3px solid #000;
    border-right: 3px solid #000;
    transform: translateY(20%) rotate(-45deg);
}

@media (max-width: 900px){
    
    header {
        height: 100vh;
    }

    div#container {
        width: 100vw;
        height: 60vh;
    }

    .header_image {
        width: 100vw;
        height: 100vh;
        object-fit: cover;
    }

    header h1 {
        position: absolute;
        top: 2rem;
        left: 2rem;
    }
    
    header h1 img {
        width: 12rem;
    }

    header nav ul {
        position: absolute;
        top: 2rem;
        right: 0;
        left: 0;
        text-align: left;
        z-index: 999;
    }
    
    header nav li {
        display: block;
        vertical-align: baseline;
        margin-left: 0;
        margin-bottom: 2rem;
        color: #ffffff;
        z-index: 999;
    }
    
    header nav li a {
        text-decoration: none;
    }

    .drawer__button {
        position: fixed;
        top: 0;
        right: 0;
        width: 3rem;
        height: 3rem;
        background-color: transparent;
        border: none;
        cursor: pointer;
        z-index: 999; /* メニューを開いている時もクリックできるよう設定 */
    }
    /* ハンバーガーボタン内の線 */
    .drawer__button > span {
        display: block;
        position: absolute;
        top: 50%;
        left: 50%;
        width: 2rem;
        height: 2px;
        background-color: black;
        transform: translateX(-50%);
    }
    .drawer__button > span:first-child {
        transform: translate(-50%, calc(-50% - 0.5rem));
        transition: transform 0.3s ease;
    }
    .drawer__button > span:nth-child(2) {
        transform: translate(-50%, -50%);
        transition: opacity 0.3s ease;
    }
    .drawer__button > span:last-child {
        transform: translate(-50%, calc(-50% + 0.5rem));
        transition: transform 0.3s ease;
    }
    /* 展開時のデザイン */
    .drawer__button.active > span:first-child {
        transform: translate(-50%, -50%) rotate(-45deg);
    }
    .drawer__button.active > span:nth-child(2) {
        opacity: 0;
    }
    .drawer__button.active > span:last-child {
        transform: translate(-50%, -50%) rotate(45deg);
    }
    /* メニューのデザイン */
    .drawer__nav {
        position: fixed; /* 追従ヘッダーなどでも表示できるよう設定しておく */
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        transition: opacity 0.3s ease;
        opacity: 0;
        visibility: hidden;
        z-index: 999;
    }
    .drawer__nav.active {
        opacity: 1;
        visibility: visible;
        z-index: 999;
    }
    .drawer__nav__inner {
        position: relative;
        width: 80%;
        height: 100%;
        background-color: white;
        padding: 4rem 1.5rem 1rem;
        margin: 0 0 0 auto;
        overflow: scroll;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    .drawer__nav.active .drawer__nav__inner {
        transform: translateX(0);
        z-index: 999;
    }
    .drawer__nav__menu {
        list-style: none;
        padding-left: 0;
        z-index: 999;
    }
    .drawer__nav__link {
        display: block;
        color: black;
        text-decoration: none;
        padding: 1rem 1rem;
        border-bottom: solid 1px lightgray;
    }
      
    /* ハンバーガーメニュー展開時、背景を固定 */
    body.active {
        height: 100%;
        overflow: hidden;
    }
    
    header div#catchcopy {
        position: absolute;
        top: 40vh;
        left: 0;
        padding: 0 2rem;
        color: #ffffff;
    }

    .catchcopy_main {
        font-size: 1.3rem;
        margin-bottom: 3rem;
    }
    
    .catchcopy_sub {
        font-size: 0.9rem;
    }

    .catchcopy_sub br {
        display: none;
    }
    
    article {
        padding: 0;
        margin-bottom: 3rem;
    }
    
    h2 {
        text-align: center;
        font-size: 2.0rem;
        font-weight: normal;
        margin-bottom: 1rem;
    }

    div#biz_waterproof {
        position: relative;
        height: 100vh;
        background-color: #009ecf;
        border-radius: 40px;
        z-index: 0;
    }
    
    div#biz_waterproof_catch {
        position: absolute;
        top: 2.0vh;
        left: 0;
        color: #ffffff;
        width: auto;
        z-index: 2;
    }
    
    div#biz_waterproof_catch h3 {
        font-weight: 700;
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    div#biz_waterproof_catch p {
        padding: 0 2rem;
    }

    div#biz_waterproof_catch br {
        display: none;
    }

    div#biz_waterproof_catch p.biz_catch_sub {
        margin-top: 62vh;
    }
    
    div#biz_waterproof img {
        position: absolute;
        min-width: 360px;
        min-height: 360px;
        top: 18vh;
        left: 50%;
        transform: translateX(-50%);
        -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
        border-radius: 40px;
        z-index: 1;
    }
    
    div#biz_painting {
        position: relative;
        height: 100vh;
        background-color: #164c77;
        border-radius: 40px;
        z-index: 0;
    }
    
    div#biz_painting_catch {
        position: absolute;
        top: 2.0vh;
        right: 0;
        color: #ffffff;
        width: auto;
        z-index: 2;
    }
    
    div#biz_painting_catch h3 {
        font-weight: 700;
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    div#biz_painting_catch p {
        padding: 0 2rem;
    }

    div#biz_painting_catch br {
        display: none;
    }

    div#biz_painting_catch p.biz_catch_sub {
        margin-top: 62vh;
    }
    
    div#biz_painting img {
        position: absolute;
        min-width: 360px;
        min-height: 360px;
        top: 18vh;
        left: 50%;
        transform: translateX(-50%);
        -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
        border-radius: 40px;
        z-index: 1;
    }

    div#biz_renovation {
        position: relative;
        height: 100vh;
        background-color: #92e0ff;
        border-radius: 40px;
        z-index: 0;
    }
    
    div#biz_renovation_catch {
        position: absolute;
        top: 2.0vh;
        left: 0;
        color: #ffffff;
        width: auto;
        z-index: 2;
    }
    
    div#biz_renovation_catch h3 {
        font-weight: 700;
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    div#biz_renovation_catch p {
        padding: 0 2rem;
    }

    div#biz_renovation_catch br {
        display: none;
    }

    div#biz_renovation_catch p.biz_catch_sub {
        margin-top: 62vh;
    }
    
    div#biz_renovation img {
        position: absolute;
        min-width: 360px;
        min-height: 360px;
        top: 18vh;
        left: 50%;
        transform: translateX(-50%);
        -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
        border-radius: 40px;
        z-index: 1;
    }
    
    ul#news_ul li {
        margin-bottom: 2rem;
        border-bottom: 1px solid #aaaaaa;
    }
    
    ul#news_ul li h3 {
        font-size: 1rem;
        text-align: left;
        font-weight: 700;
    }
    
    .flex {
        display: block;
    }
    
    .news_image {
        width: 100vw;
        padding: 0 2rem;
    }
    
    .news_image img {
        min-width: 270px;
        min-height: 180px;
        margin: 0 auto;
        border-radius: 40px;
    }
    
    .news_contents {
        width: 100%;
        padding: 3rem 2rem 4rem;
    }
    
    div#company_area {
        position: static;
        height: auto;
    }
    
    div#company_text {
        position: static;
        width: 100%;
        padding: 2rem 2rem;
    }

    div#company_image {
        display: flex;
        justify-content: space-around;
        margin-bottom: 5rem;
    }
    
    div#company_image_1 {
        position: static;
        width: 40%;
        top: 50vh;
        left: 2rem;
    }
    
    div#company_image_1 img {
        border-radius: 40px;
    }
    
    div#company_image_2 {
        position: static;
        width: 40%;
        top: 50vh;
        right: 2rem;
    }
    
    div#company_image_2 img {
        border-radius: 40px;
    }
    
    div#company_summary dl {
        display: block;
        flex-wrap: wrap;
        margin-bottom: 5rem;
    }
    
    div#company_summary dl dt {
        width: 100%;
        padding: 1rem 2rem 0;
        border-bottom: none;
        font-weight: 700;
    }
    
    div#company_summary dl dd {
        width: 100%;
        padding: 0 2rem 1rem 3rem;
        border-bottom: 1px solid #aaaaaa;
    }
    
    div#map_area {
        position: relative;
        height: 100vh;
        background-color: #164c77;
        border-radius: 40px;
    }
    
    div#map_area_text {
        position: absolute;
        top: 2.0vh;
        left: 0;
        padding: 0 2rem;
        color: #ffffff;
        width: 100%;
    }

    div#map_area_text p {
        padding: 0 2rem;
    }

    div#map_area_text p.map_area_text_sub {
        margin-top: 62vh;
    }
    
    div#map_area_text h4 {
        font-weight: 700;
        font-size: 2rem;
        margin-bottom: 2rem;
        text-align: center;
    }
    
    div#map_area iframe {
        position: absolute;
        top: 18vh;
        left: 50%;
        transform: translateX(-50%);
        -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
        min-width: 360px;
        min-height: 360px;
        border-radius: 40px;
    }
    
    div#contact_tel {
        width: 100%;
        height: 400px;
        border-radius: 40px;
        background-color: #009ecf;
        margin-bottom: 5rem;
        color: #ffffff;
        text-align: center;
        padding: 9rem 0;
    }
    
    div#contact_tel h3 {
        font-size: 1.3rem;
        font-weight: 700;
    }
    
    div#contact_tel p {
        font-size: 2rem;
        font-weight: 700;
    }
    
    div#contact_form {
        font-size: 1rem;
        padding: 2rem 2rem;
        margin: 0 auto;
        width: 100%;
    }
    
    div#contact_form input {
        background-color: #ffffff;
    }
    
    div#contact_form input[type=text] {
        width: 100%;
    }
    
    div#contact_form input[type=mail] {
        width: 100%;
    }
    
    div#contact_form textarea {
        width: 100%;
        background-color: #ffffff;
    }
    
    div#contact_form input[type=radio]{
        margin-right: 0.4rem;
        accent-color: #009ecf;
        inline-size: 1.0rem;
        block-size: 1.0rem;
    }
    
    div#contact_form input[type=checkbox]{
        margin-right: 0.4rem;
        accent-color: #009ecf;
        inline-size: 1.0rem;
        block-size: 1.0rem;
    }
    
    div#contact_form input[type=submit]{
        margin: 2rem;
        display: inline-block;
        vertical-align: middle;
        padding: 1rem 2rem;
        color: #009ecf;
        font-weight: bold;
        letter-spacing: 0.5pt;
        text-decoration: none;
        background-color: #ffffff;
        border: 1px solid #009ecf;
        border-radius: 20px;
        cursor: pointer;
        transition-duration:0.3s;
        -webkit-transition-duration:0.3s;
        -moz-transition-duration:0.3s;
        -o-transition-duration:0.3s;
        -ms-transition-duration:0.3s;
    }
    
    div#contact_form input[type=submit]:hover{
        color: #ffffff;
        background-color: #009ecf;
        border: 1px solid #ffffff;
        border-radius: 20px;
        cursor: pointer;
    }
    
    div#contact_form dd {
        padding: 1rem 0 2rem 1rem;
    }
    
    div#policy {
        width: 100%;
        height: 300px;
        margin: 0 auto 2rem;
        padding: 2rem 2rem 0;
        border: 1px solid #999999;
        border-radius: 40px;
        background-color: #cccccc;
        font-size: 0.8rem;
        overflow: scroll;
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    
    div#policy::-webkit-scrollbar {
        display: none;
    }
    
    div#policy h4 {
        text-align: center;
        margin-bottom: 2rem;
        font-size: 1rem;
    }
    
    div#policy dt {
        font-weight: 700;
    }
    
    div#policy dd {
        padding: 1rem 0rem 2rem 1rem;
    }
    
    .required {
        font-size: 0.9rem;
        margin-left: 1rem;
        padding: 0.2rem 1rem;
        vertical-align: middle;
        color: #ffffff;
        background-color: #ff52a8;
        border-radius: 30px;
    }
    
    .caution {
        font-size: 0.8rem;
        color: #ff52a8;
    }
    
    .error {
        width: 50%;
        margin: 0 auto;
        font-size: 1rem;
        color: #ff52a8;
        text-align: center;
    }
    
    .success {
        width: 50%;
        margin: 0 auto;
        padding: 1rem 2rem;
        font-size: 1rem;
        color: #009ecf;
        text-align: center;
        border: 1px solid #009ecf;
        border-radius: 30px;
        background-color: #ffffff;
    }
    
    .failed {
        width: 50%;
        margin: 0 auto;
        padding: 1rem 2rem;
        font-size: 1rem;
        color: #ff52a8;
        text-align: center;
        border: 1px solid #ff52a8;
        border-radius: 30px;
        background-color: #ffffff;
    }
    
    footer {
        width: auto;
        height: 50vh;
        background-color: #92e0ff;
        color: #ffffff;
        position: relative;
        z-index: 0;
    }

    footer div#footer_address_wrapper {
        position: absolute;
        top: 0;
        left: 6.5vw;
        width: 45vw;
        max-height: 300px;
        background-color: #164c77;
        border-radius: 40px;
    }
    
    footer div#footer_address {
        position: absolute;
        top: 0;
        left: 0;
        width: 85vw;
        height: 40vh;
        background-color: #164c77;
        border-radius: 40px;
        z-index: 1;
    }
    
    footer h2 {
        position: absolute;
        top: 3rem;
        left: 3rem;
        font-size: 1rem;
        font-weight: 700;
        z-index: 6;
    }
    
    footer dl {
        position: absolute;
        top: 7rem;
        left: 3rem;
        z-index: 7;
    }
    
    footer div#copyright {
        position: absolute;
        bottom: 0;
        right: 0;
        width: 85vw;
        height: 15vh;
        background-color: #009ecf;
        border-radius: 40px;
        z-index: 4;
    }
    
    footer div#copyright p {
        position: absolute;
        bottom: 1rem;
        right: 3rem;
        z-index: 5;
        font-family: Verdana,"Droid Sans","メイリオ",sans-serif;
    }

    .article_contents {
        padding: 2rem 2rem;
        width: 100%;
        margin: 0 auto;
    }
    
    .article_contents img {
        margin-bottom: 2rem;
        border-radius: 40px;
    }

    .pagetop {
        height: 50px;
        width: 50px;
        position: fixed;
        right: 0;
        bottom: 0;
        background-color: transparent;
        border: none;
        border-radius: 50%;
        display: none;
        justify-content: center;
        align-items: center;
        z-index: 100;
        cursor: pointer;
    }
    .pagetop__arrow {
        display: block;
        height: 10px;
        width: 10px;
        border-top: 3px solid #000;
        border-right: 3px solid #000;
        transform: translateY(20%) rotate(-45deg);
    }
}