/* リセットCSS */
@import url('reset.css');

/* GoogleFonts */
@import url('https://fonts.googleapis.com/css2?family=Lovers+Quarrel&family=Noto+Sans+JP:wght@100..900&family=Noto+Serif+JP:wght@200..900&family=Orbitron:wght@400..900&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

/* 全体 */
body{
    background: #E6E6E6;
    font-size: 14px;
    font-family: "Noto Sans JP", sans-serif;
}
img{
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

/* 戻るボタン */
.back_button {
    font-size: 14px;
    font-family: "Orbitron", sans-serif;
    text-align: center;
    width: 100px;
    height: 100px;
    border-radius: 20%;
    background: #000000;
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 2;
    opacity: 0; /* 非表示 */
    transform: translateY(20px);
    transition: all .5s ease;
}
.back_button a {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #FFFFFF;
    width: 100%;
    height: 100%;
    text-decoration: none;
    font-size: 25px;
    transition: all .5s ease;
}
.back_button a:hover {
    opacity: .7;
}
.back_button.is-show {
    opacity: 1; /* 表示 */
    transform: translateY(0);
}

/* ヒーローエリア */
.hero {
    background-image: url(hero.png);
    background-size: cover;
    height: 700px;
}
.menu {
    display: flex;
}
.hero h1 {
    color: #FFFFFF;
    font-size: 50px;
    font-family: "Lovers Quarrel", cursive;
    font-weight: lighter;
    padding: 20px 100px;
}
.hero h1 a {
    color: #FFFFFF;
    text-decoration: none;
}
.pc_nav {
    display: flex;
    justify-content: center; /* 左右中央 */
    align-items: center;     /* 上下中央 */
}
.pc_nav_menu {
    display: flex;
}
.pc_nav_menu li {
    list-style: none;
    padding-left: 20%;
}
.pc_nav a {
    color:#FFFFFF;
}
.pc_nav a:hover {
    color:#cccccc;
}
.sm_nav {
    display: none;
}

/* 共通見出(h2) */
h2 {
    font-family: "Noto Serif JP", serif;
    font-size: 36px;
    text-align: center;
    font-weight: normal;
    display: block;
    padding-bottom: 20px;
    margin-bottom: 20px;
    position: relative;
}
h2::after {
    content: "";
    position: absolute;
    left: calc(50% - 15px);
    bottom: 0;
    width: 35px;
    height: 1px;
    background-color: #000000;
}

/* News */
.news {
    padding: 0 15%;
}
.news h2 {
    padding-top: 50px;
}
.news dl {
    width: 100%;
    border-bottom: 1px solid #000000;
    margin: 50px 0 100px 0;
}
.news dl dt {
    width: 35%;
    float: left;
    clear: left;
    border-top: 1px solid #000000;
    padding: 30px 0 30px 50px;
}
.news dl dd {
    width: auto;
    border-top: 1px solid #000000;
    padding: 30px 0;
}
.news_icon {
    background: #000000;
    color: #FFFFFF;
    padding: 1px 5px;
    margin-left: 20px;
}

/* About */
.about {
    display: flex;
    justify-content: center; /* 左右中央 */
    align-items: center;     /* 上下中央 */
    padding-left: 15%;
}
.about_text p {
    line-height: 30px;
}
.about_image {
    width: 70%;
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
}

/* Business */
.business h2 {
    padding-top: 50px;
    margin-bottom: 30px;
}
.business_list {
    display: flex;
}
.business_box {
    width: 25%;
    position: relative;
    padding-bottom: 50px;
}
.business_box p {
    color: #FFFFFF;
    position: absolute;
    bottom: 80px;
    left: 45%;
    transform: translate(-45%);
}

/* Company */
.company {
    padding: 0 15%;
}
.company_box {
    display: flex;
    width: 100%;
    justify-content: center; /* 左右中央 */
}
.company_add dl {
    display: flex;
    flex-wrap: wrap;
    line-height: 25px;
    margin: 50px 0 100px 0;
}
.company_add dl dt {
    width: 20%;
    padding: 10px 0 10px 0px;
}
.company_add dl dd {
    width: 80%;
    padding: 10px 0;
}
.company_map {
    width: 100%;
    height: 350px;
    margin-top: 50px;
}

/* Contact */
.contact {
    padding: 0 15%;
}
.mailform_text p {
    line-height: 25px;
}
.mailform_text {
    padding-bottom: 30px;
    width: 500px;
    margin: 0 auto;
}
.form_item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 15px 0;
}
.form_item label {
    width: 150px;
}
.form_item .message {
    align-self: flex-start;
}
.form_item input, .form_item textarea {
    flex: 1;
    padding: 8px;
    border: 1px solid #cccccc;
    border-radius: 4px;
}
input[type="submit"] {
    background: #FFFFFF;
    width: 100%;
    flex: 1;
    padding: 8px;
    border: 1px solid #cccccc;
    border-radius: 4px;
    margin-bottom: 50px;
}
.tel {
    font-size: medium;
    background: linear-gradient(transparent 80%, #999999 0%);
    margin: 0 5px;
}
.red {
    color: #FF0000;
}

/* Works */
.works {
    background: #cccccc;
    display: flex;
    padding: 0 15%;
}
.works_box {
    display: flex;
    align-items: center;     /* 上下中央 */
    padding: 50px 0;
}
.works_text h3 {
    font-size: 32px;
    font-family: "Noto Serif JP", serif;
    margin: 20px 0;
}
.works_text {
    line-height: 25px;
}
.works_text p {
    padding-bottom: 20px;
}
.works_text ul {
    display: flex;
    align-items: center;
    list-style: none;
    flex-wrap: wrap;
    margin-top: -20px;
    margin-bottom: 20px;
}
.works_text ul li {
    display: inline;
}
.works_text ul li::after {
    content: "/";
    margin: 0 5px;
    color: #000000;
}
.works_text ul li:last-child::after {
    content: "";
}
.works a {
    color:#000000;
}
.works a:hover{
    color:#E6E6E6;
}

/* フッター */
footer {
    background: #000000;
    color: #FFFFFF;
    height: 100px;
    text-align: center;
    display: flex;
    justify-content: center; /* 左右中央 */
    align-items: center;     /* 上下中央 */
    line-height: auto;
}

@media screen and (max-width: 1024px) {

    /* 戻るボタン */
    .back_button {
        width: 80px;
        height: 80px;
        border-radius: 50%;
    }

    /* ハンバーガーメニュー */
    .pc_nav {
        display: none;
    }
    .sm_nav {
        display: block;
    }
    .sm_nav_check {
        display: none;
    }
    .sm_nav_open {
        display: flex;
        justify-content: center;
        align-items: center;
        position: fixed;
        top: 40px;
        right: 30px;
        z-index: 100;/* 重なり順を一番上にする */
        cursor: pointer;
    }
    .sm_nav_open span, .sm_nav_open span:before, .sm_nav_open span:after {
        content: '';
        display: block;
        height: 3px;
        width: 25px;
        border-radius: 3px;
        background: #FFFFFF;
        transition: 0.5s;
        position: absolute;
    }
    .sm_nav_open span:before {
        bottom: 8px; /* 三本線の一番上の棒の位置調整 */
    }
    .sm_nav_open span:after {
        top: 8px; /* 三本線の一番下の棒の位置調整 */
    }
    #sm_nav_input:checked ~ .sm_nav_open span {
        background: rgb(255, 255, 255, 0); /* アイコンがクリックされたら真ん中の線を透明にする */
    }
    #sm_nav_input:checked ~ .sm_nav_open span::before {
        bottom: 0;
        transform: rotate(45deg); /* アイコンがクリック後上下の線を回転 */
    }
    #sm_nav_input:checked ~ .sm_nav_open span::after {
        top: 0;
        transform: rotate(-45deg);
    }
    
    /* メニューのデザイン*/
    .sm_nav_box {
        width: 100%;
        height: 100%;
        position: fixed;
        bottom: 100%;
        left: 0%; /* メニューを画面の外に飛ばす */
        z-index: 99;
        background: #E6E6E6;
        transition: .5s;
        list-style: none;
    }
    .sm_nav_menu {
        display: block;
        flex-direction: column;
    }
    .sm_nav_menu {
        padding: 0 5%;
        margin-top: 100px;
    }
    .sm_nav_menu li {
        text-align: center;
        border-top: 1px solid #000000;
        padding: 30px;
    }
    .sm_nav_menu li:last-child {
        border-bottom: 1px solid #000000;
    }
    .sm_nav_menu a {
    color: #000000;
    text-decoration: none;
    }

    /* アイコンがクリックされたらメニューを表示 */
    #sm_nav_input:checked ~ .sm_nav_box {
    bottom: 0;/* メニューを画面に入れる */
    }
    
    .hero {
        height: auto;
    }
    .hero h1 {
        padding: 20px 50px;
    }
    
    /* News */
    .news {
        padding: 0 5%;
    }
    .news h2 {
        padding-top: 30px;
    }
    .news dl {
        margin: 30px 0 30px 0;
    }
    .news dl dt {
        width: 30%;
        padding: 10px 0 10px 20px;
    }
    .news dl dd {
        width: au;
        padding: 10px 0;
    }
    .news_icon {
        display: none;
    }

    /* About */
    .about {
        background-image: url(about.png);
        background-size: cover;
        padding: 0 5%;
    }
    .about_text {
        color: #FFFFFF;
        margin: 30px 0;
    }
    .about_text h2::after {
    background-color: #FFFFFF;
    }
    .about_image {
        display: none;
    }

    /* Business */
    .business h2 {
        padding-top: 30px;
    }
    .business_box p {
    writing-mode: vertical-rl; /* 右から左へ縦書き */
    text-orientation: upright; /* 文字を直立させる */
    }

    /* Company */
    .company {
        padding: 0 5%;
    }
    .company_box {
        display: block;
    }
    .company_add dl {
    margin: 50px 0 30px 0;
    }
    .company_map {
        width: 100%;
        height: 350px;
        margin-top: 0px;
        margin-bottom: 50px;
    }

    /* CONTACT */
    .contact {
        padding: 0 5%;
    }
    .mailform_text {
        width: auto;
        padding-bottom: 30px;
        margin: 0 auto;
    }
    .form_item {
        align-items: flex-start;
        flex-direction: column;
    }
    .form_item input, .form_item textarea {
        width: 95%;
    }

    /* Works */
    .works {
        height: auto;
        padding: 0 5%;
    }
    .works_box {
        padding: 30px 0;
    }
    .works ul {
        flex-wrap: wrap;
    }
    .works_box {
        flex-direction: column;
        align-items: flex-start;
    }
    .works_image {
        width: 60%;
        margin: 30px auto 0 auto;
    }

    /* フッター */
    footer{
        height: 50px;
    }
}

@media screen and (max-width: 768px) {

    /* Works */
    .works_text h3 {
        font-size: 23px;
    }
}