/*-- 目次（検索用） ----------------

　1.共通
  2.index.html
  3.事業内容(business.html)
  4.主要設備(facility.html)
  5.施工事例(examples)
  6.会社概要(company)
  7.お問い合わせ(contact)

---------------------------------*/

/*
################################################
1.共通
################################################
*/
html {
  scroll-padding-top: 75px;
}

body {
  font-family: "Noto Sans JP", "Shippori Mincho", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  font-size: 15px;
}

main {
  margin-bottom: 120px;
}

h3 {
  font-size: 24px;
  text-align: center;
  padding: 60px 0;
}

h4 {
  font-size: 24px;
}

h5 {
  font-size: 20px;
}

.wrapper {
  padding: 0 80px;
}

.container {
  max-width: 1000px;
  margin: auto;
}

section {
  margin-top: 80px;
}

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

.detail {
  text-align: center;
  line-height: 2;
}

.material-wrapper {
}

.title {
}
/*
::::::::::::::::::::::::::
ヘッダー
::::::::::::::::::::::::::
*/
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(2px);
  padding: 16px 0;
  z-index: 2;
}
.header-inner {
  display: flex;
  align-content: center;
  padding: 0 80px;
}
.header-logo {
  width: 180px;
}
#header-nav-list-wrapper {
  display: flex;
  /* align-items: flex-end; */
  margin: 0 auto;
}

.header-nav-list {
  display: flex;
  flex-direction: column;
  color: #fff;
}

.header-nav-link {
  font-size: 20px;
  transition: all 0.5s;
  /* margin-left: 40px; */
}

.header-nav-link:hover {
  opacity: 0.5;
}

/*
:::::::::::::::::::::::::::::::::::::::::
ハンバーガーナビゲーション（メニュー本体）
:::::::::::::::::::::::::::::::::::::::::
*/

/* ナビゲーションメニュー本体 */
#header-nav {
  position: fixed; /*position:fixed;にし、z-indexの数値を大きくして前面へ*/
  z-index: 999; /*ナビのスタート位置と形状*/
  top: 0;
  right: -120%;
  width: 20%;
  height: 100vh; /*ナビの高さ*/
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 100px 0;
  transition: all 0.6s; /*動き*/
}

/*アクティブクラスがついたら位置を0に*/
#header-nav.panelactive {
  right: 0;
}

/*ナビゲーションの縦スクロール*/
#header-nav.panelactive #header-nav-list-wrapper {
  z-index: 999;
  width: 70%;
  height: 100vh; /*表示する高さ*/
  /* overflow: auto; */
  -webkit-overflow-scrolling: touch;
}

/*ナビゲーションリストのレイアウト*/
#header-nav li {
  list-style: none;
  text-align: left;
}

.header-nav-header-logo {
  padding-bottom: 40px;
  width: 100%;
}

.header-nav-item {
  width: 100%;
  border-top: 0.01px solid rgba(255, 255, 255, 0.5);
  padding: 16px 0;
  font-size: 16px;
}

#header-nav li a {
  color: #fff;
  text-decoration: none;
  padding: 10px 10px 10px 0;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.header-nav-contact-tel {
  color: #fff;
  font-size: 16px;
  letter-spacing: 0.05em;
  font-family: "Shippori Mincho";
  white-space: nowrap;
  padding-top: 16px;
}

.header-nav-contact-number {
  color: #fff;
  font-size: 21px;
}

.header-nav-contact-address {
  color: #fff;
  font-size: 10px;
  white-space: nowrap;
  margin-top: 12px;
}

/*
:::::::::::::::::::::::::::::::::::::::::
ハンバーガーナビゲーション（ボタン）
:::::::::::::::::::::::::::::::::::::::::
*/
/* ボタン部分 */
.openbtn {
  position: fixed;
  z-index: 9999; /*ボタンを最前面に*/
  top: 15px;
  right: 20px;
  cursor: pointer;
  width: 50px;
  height: 50px;
}

/*×に変化*/
.openbtn span {
  display: inline-block;
  transition: all 0.4s;
  position: absolute;
  left: 8px;
  height: 4px;
  border-radius: 10px;
  background-color: #fff;
  width: 40px;
}

.openbtn span:nth-of-type(1) {
  top: 18px;
}

.openbtn span:nth-of-type(2) {
  top: 30px;
}

.openbtn.active span:nth-of-type(1) {
  top: 18px;
  left: 18px;
  transform: translateY(6px) rotate(-45deg);
  width: 50%;
}

.openbtn.active span:nth-of-type(2) {
  top: 30px;
  left: 18px;
  transform: translateY(-6px) rotate(45deg);
  width: 50%;
}

/*
:::::::::::::::::::::::::::::::::::::::::
ハンバーガーメニュー背景
:::::::::::::::::::::::::::::::::::::::::
*/
/* ハンバーガーメニュー背景解除用 */
.black-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh; /*ナビの高さ*/
  z-index: 5;
  background-color: #000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s;
  cursor: pointer;
  z-index: 100;
}

/*ハンバーガーメニュー背景展開用*/
.black-bg.panelactive {
  opacity: 0.4;
  visibility: visible;
}

/*
::::::::::::::::::::::::::
フッター
::::::::::::::::::::::::::
*/
.footer-wrapper {
  background-color: #d4d4d4;
}
.footer-contact-inner {
  font-family: "Shippori Mincho";
  text-align: center;
  padding: 100px;
}

.contact-title {
  font-size: 20px;
  margin-bottom: 24px;
}

.contact-tel {
  font-size: 34px;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 6px;
}

.mgr {
  font-size: 24px;
}

.contact-number {
  font-size: 34px;
}

.contact-detail {
  font-size: 10px;
  margin-top: 20px;
}

.contact-address {
  font-size: 10px;
  margin-top: 10px;
}

.footer-nav-list {
  display: flex;
  justify-content: center;
  padding: 40px;
}

.footer-nav-item {
  font-size: 18px;
  margin-left: 40px;
}

.footer-nav-link {
  transition: all 0.35s ease-out;
}

.footer-nav-link:hover {
  opacity: 0.5;
}

.footer-copyright {
  background-color: #000;
  width: 100%;
  color: #fff;
  font-family: "Shippori Mincho";
  display: block;
  padding: 20px;
  text-align: center;
}

/*
################################################
2.index.html
################################################
*/
/*
::::::::::::::::::::::::::
キーヴィジュアル
::::::::::::::::::::::::::
*/
.keyvisual-wrapper {
  position: relative;
  z-index: 1;
}

.keyvisual-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
  filter: drop-shadow(0px 3px 6px rgba(0, 0, 0, 0.16));
}

.keyvisual-title {
  font-family: "Shippori Mincho";
  font-weight: bold;
  font-size: 48px;
  color: #fff;
}
.keyvisual-title + h2.keyvisual-title {
  border-bottom: 1.5px solid #fff;
  padding-bottom: 25px;
  line-height: 2;
}
.keyvisual-container img {
  width: 288px;
  margin-top: 28px;
}

.fv-video {
  width: 100%;
  height: 100%;
}

/*
::::::::::::::::::::::::::
各種ダクトの製造・設置工事
::::::::::::::::::::::::::
*/

.scroller {
  max-width: 100%;
  overflow: hidden;
}

.scroll_infinity-list {
  display: flex;
}

.scroll_infinity-items {
  display: flex;
}

.scroll-infinity-img {
  width: 247px;
  height: 247px;
}
/*
::::::::::::::::::::::::::
快適な未来を形作る、信頼の技術。
::::::::::::::::::::::::::
*/
.index-description {
  width: 100%;
}

.description-container {
  text-align: center;
}

.description-container .description-list {
  margin: auto;
}

.description-texts {
  font-size: 15px;
  text-align: center;
  line-height: 2.5;
  margin-bottom: 100px;
}

.description-list {
  max-width: 1330px;
  display: grid;
  align-items: center;
  align-content: center;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.description-item:nth-child(5) {
  grid-column: 1 / span 2;
  justify-self: center;
}

.description-item {
  margin: 0;
  width: 650px;
  height: 250px;
  position: relative;
  transition: 0.35s ease-out;
}

.description-item:hover {
  opacity: 0.8;
}

.description-img {
  position: relative;
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  display: block;
  padding: 40px 20px;
}

.description-item-text {
  width: 100%;
  height: 100%;
  color: #fff;
  display: inline-block;
  position: relative;
  text-align: left;
}

.description-detail {
  font-size: 24px;
}

.description-detail2 {
  color: #c7c7c7;
  font-size: 15px;
  line-height: 2;
}

div.arrow {
  position: absolute;
  right: 20px;
  bottom: 20px;
  display: inline-block;
  padding-left: 22px;
}
div.arrow:before {
  content: "";
  width: 40px;
  height: 40px;
  border: 1px solid #fff;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  margin: auto;
}
div.arrow:after {
  content: "";
  width: 10px;
  height: 10px;
  border: 0;
  border-top: solid 2px #fff;
  border-right: solid 2px #fff;
  transform: rotate(45deg);
  position: absolute;
  top: 0;
  left: 50%;
  bottom: 0;
  margin: auto;
}

/*
################################################
3.事業内容(business.html)
################################################
*/

/*
::::::::::::::::::::::::::
事業内容
::::::::::::::::::::::::::
*/
.business {
  margin-bottom: 60px;
}

.business-detail {
  text-align: center;
  margin-top: 40px;
}

.business-list {
  display: grid;
  justify-content: center;
  grid-template-columns: 130px 130px 130px 130px;
  grid-gap: 16px;
}

.business-item {
  color: #fff;
  background-color: #000;
  display: block;
  text-align: center;
  border-radius: 30px;
  padding: 8px 8px;
}
/*
::::::::::::::::::::::::::
製品紹介
::::::::::::::::::::::::::
*/
.product-list {
  display: flex;
  justify-content: center;
  gap: 70px;
  margin-top: 70px;
}

.product-img {
  width: 284px;
}

.product-item h5 {
  margin: 21px 0px;
}

.product-item p {
  width: 290px;
  font-size: 15px;
  line-height: 2;
}

/*
::::::::::::::::::::::::::
材質紹介
::::::::::::::::::::::::::
*/

.material-wrapper detail {
  max-width: 645px;
}

.material-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-content: center;
  gap: 94px;
  margin-top: 80px;
}

.material-items {
  display: flex;
}

.material-text {
  margin-left: 27px;
}

.material-items img {
  width: 235px;
}

.material-items p {
  width: 235px;
  margin-top: 36px;
  line-height: 1.5;
}

/*
################################################
4.主要設備(facility.html)
################################################
*/
/*
::::::::::::::::::::::::::
主要設備
::::::::::::::::::::::::::
*/
.facility-title-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 158px;
}

.facility-title-main {
  margin-bottom: 8px;
}

.facility-title p {
  width: 480px;
  font-size: 15px;
  line-height: 2;
  letter-spacing: -1px;
  margin-top: 32px;
}

.facility-title-wrapper img {
  width: 515px;
  height: 100%;
  margin-left: 10px;
}

.facility-img-wrapper {
  margin: 120px 0;
  text-align: center;
}

.facility-img-wrapper iframe {
  border: 1px solid #000;
}

/*
::::::::::::::::::::::::::
主要設備一覧
::::::::::::::::::::::::::
*/

.facility-list {
  background-color: #e4ffff;
  padding-top: 60px;
  padding-bottom: 100px;
}

.facility-wrapper {
  display: flex;
  justify-content: center;
}

.facility-list-table {
  text-align: left;
  line-height: 2.1;
}

caption {
  font-size: 24px;
  padding-bottom: 16px;
}

.facility-list-title {
  font-size: 20px;
  padding-bottom: 16px;
}

.facility-list-title:nth-of-type(2) {
  text-align: center;
}

.facility-list-item-main {
  width: 400px;
  letter-spacing: 2px;
}

.facility-list-item-sub {
  width: 100px;
  text-align: center;
}

.facility-list-img {
  display: flex;
  flex-direction: column;
  align-content: flex-end;
  gap: 40px;
  padding-top: 40px;
  margin-left: 115px;
}

.facility-list-img img {
  width: 450px;
  height: 300px;
}
/*
################################################
5.施工事例(examples)
################################################
*/
/*
::::::::::::::::::::::::::
施工事例
::::::::::::::::::::::::::
*/

.example-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 70px;
  row-gap: 80px;
}

.example-item img {
  width: 286px;
}
.example-item p {
  font-size: 10px;
  margin-top: 10px;
}

.example-item h5 {
  margin-top: 10px;
}

/*
################################################
6.会社概要(company)
################################################
*/
/*
::::::::::::::::::::::::::
会社概要
::::::::::::::::::::::::::
*/
.company-detail-table {
  margin: 0 auto;
}

.company-detail-title span {
  font-size: 16px;
}

.company-detail-title td {
  line-height: 3;
  font-size: 21px;
}

.company-detail-title td:nth-of-type(1) {
  width: 180px;
}

.company-detail-img {
  margin-top: 100px;
  text-align: center;
}

.company-img {
  width: 750px;
}

/*
::::::::::::::::::::::::::
MAP
::::::::::::::::::::::::::
*/

.company-detail-map-text {
  margin-top: 88px;
  max-width: 750px;
  margin: 88px auto 40px auto;
}

.company-detail-map-text h4 {
  letter-spacing: 2px;
  margin-bottom: 22px;
}

.company-detail-map {
  text-align: center;
}
/*
################################################
7.お問い合わせ(contact)
################################################
*/
.contact-detail-inner {
  text-align: center;
  margin-top: 108px;
}
.contact-detail-text-main {
  font-size: 28px;
  margin-bottom: 32px;
}

.contact-detail-text-sub {
  font-size: 46px;
  letter-spacing: 5px;
}

.contact-detail-text-sub span {
  font-size: 34px;
}