html {
    height: 100%;
}

body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Noto Sans JP', sans-serif, 'Ropa Sans', sans-serif;
    background-color: #95a4a4;
}

a {
    color: #ff5900;
}

a.anc {
    display: block;
    padding-top: 100px;
    margin-top: -100px;
    will-change: transform;
}

/*　ヘッダ　*/
header {
    max-width: 100%;
    height: 100vh;
    margin: 0 auto;
    text-align: center;
    color: #ff5900;
    background: linear-gradient(#95a4a4, #b3bebe);
}

/*　PCメニュー　*/
.pc-menu-wrap {
    width: 100%;
    height: 50px;
    overflow: hidden;
    position: fixed;
    background-color: rgba(149, 164, 164, 0.7);
    z-index: 9999;
}

.pc-menu {
    width: 400px;
    height: 50px;
    overflow: hidden;
    margin: 0 auto;
    display: flex;
    flex-flow: wrap;
    justify-content: space-around;
    align-items: center;
}

.pc-menu-col {
    font-size: 13px;
    font-weight: 600;
}

.pc-menu-col a {
    text-decoration: none;
    color: #ff5900;
}

.pc-menu-col a:hover {
    color: #ff5900;
}

a.anc {
    display: block;
    padding-top: 50px;
    margin-top: -50px;
}

/*　ナビ　*/
.pc-navi {
    width: 900px;
    height: auto;
    overflow: hidden;
    margin: 0 auto 60px auto;
    display: flex;
    justify-content: space-between;
}

.pc-navi-btn-area {
    width: 200px;
    height: auto;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pc-navi-btn-area a {
    color: #325541;
    text-decoration: none;
}

.pc-navi-btn-area a:hover {
    color: #768E80;
}

.pc-navi-btn-text {
    font-size: 14px;
    line-height: 20px;
    text-align: center;
    font-weight: bold;
    margin-top: 10px;
}

.pc-navi-btn {
    width: 200px;
    height: 200px;
    overflow: hidden;
    border-radius: 50%;
}

.pc-navi-btn img {
    width: 100%;
    height: 100%;
    transition: 1s all;
}

.pc-navi-btn img:hover {
    transform: scale(1.15, 1.15);
    transition: 0.5s all;
}

.twitter-tl {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin: 0 auto 80px auto;
    display: flex;
    flex-flow: column;
    justify-content: space-between;
}

.twitter-tl-col {
    width: 60%;
    height: auto;
    margin: 0 auto;
}

/*　ハンバーガーボタン　*/
.hamburger {
    display: block;
    position: fixed;
    z-index: 3;
    right: 13px;
    top: 12px;
    width: 42px;
    height: 42px;
    cursor: pointer;
    text-align: center;
}

.hamburger span {
    display: block;
    position: absolute;
    width: 30px;
    height: 2px;
    left: 6px;
    background: #555;
    -webkit-transition: 0.5s ease-in-out;
    -moz-transition: 0.5s ease-in-out;
    transition: 0.5s ease-in-out;
}

.hamburger span:nth-child(1) {
    top: 10px;
}

.hamburger span:nth-child(2) {
    top: 20px;
}

.hamburger span:nth-child(3) {
    top: 30px;
}

/* ナビopen時ボタン */
.hamburger.active span:nth-child(1) {
    top: 16px;
    left: 6px;
    background: #ff5900;
    -webkit-transform: rotate(315deg);
    -moz-transform: rotate(315deg);
    transform: rotate(315deg);
}

.hamburger.active span:nth-child(2),
.hamburger.active span:nth-child(3) {
    top: 16px;
    background: #ff5900;
    -webkit-transform: rotate(-315deg);
    -moz-transform: rotate(-315deg);
    transform: rotate(-315deg);
}

nav.globalMenuSp {
    position: fixed;
    z-index: 2;
    top: 0;
    left: 0;
    color: #ff5900;
    background: rgba(0, 0, 0, 0.7);
    text-align: center;
    width: 100%;
    opacity: 0;
    transition: opacity .6s ease, visibility .6s ease;
    height: 100vh;
}

nav.globalMenuSp ul {
    margin: 0 auto;
    padding: 10% 0 0 0;
    width: 100%;
}

nav.globalMenuSp ul li {
    list-style-type: none;
    padding: 0;
    width: 100%;
    transition: .4s all;
}

nav.globalMenuSp ul li:last-child {
    padding-bottom: 0;
}

nav.globalMenuSp ul li:hover {
    background: #ddd;
}

nav.globalMenuSp ul li a {
    display: block;
    color: #ff5900;
    padding: 1em 0;
    text-decoration: none;
}

/* このクラスを、jQueryで付与・削除する */
nav.globalMenuSp.active {
    opacity: 100;

}

#head_logo {
    width: 70px;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
    position: relative;
    top: 45%;
}

#contents_a {
    width: 100%;
    height: auto;
    overflow: hidden;
    background: linear-gradient(#b3bebe, #95a4a4);
}

#contents_b {
    width: 100%;
    height: auto;
    overflow: hidden;
    background: linear-gradient(#95a4a4, #b3bebe);
}

.contents_wrap {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
    text-align: center;
    color: #ff5900;
    /*background-color: rgba(255,255,255,0.5);*/
}

.contents_ex {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin: 0 auto 120px auto;
    font-size: 22px;
    font-weight: bold;
    text-align: center;
    color: #ff5900;
}

.contents_ex span {
    font-size: 18px;
}

.ill {
    width: auto;
    height: auto;
    overflow: hidden;
    margin: 0 auto;
}

.ill img {
    width: 600px;
    max-width: 700px;
    margin: 0 auto 40px auto;
}

.copyright {
    font-size: 13px;
    color: #ff5900;
    text-align: center;
    margin: 20px auto;
}

.c-title {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin: 50px auto 30px auto;
}

.c-title img {
    width: 200px;
}

.c-profText {
    width: 600px;
    max-width: 700px;
    margin: 50px auto 100px auto;
}

.c-textArea {
    width: 600px;
    height: auto;
    overflow: hidden;
    font-size: 16px;
    margin: 0 auto 50px auto;
}

.c-snsArea {
    width: 200px;
    height: auto;
    overflow: hidden;
    margin: 40px auto 20px auto;
}

.c-snsArea img {
    width: 45px;
    margin: 0 10px;
}

#page-top {
    position: fixed;
    bottom: 10px;
    right: 20px;
    font-size: 77%;
    z-index: 5;
}

#page-top a {
    text-decoration: none;
    width: 40px;
    height: 40px;
    text-indent: -9999px;
    display: block;
    background-image: url("../images/pagetop.svg");
}

#page-top a:hover {
    text-decoration: none;
    background-image: url("../images/pagetop_hv.svg");
}

/* フェードイン画面外 */
.fadein {
    opacity: 0;
    transform: translate(0, 50px);
    transition: all 500ms;
}

/* フェードイン画面内 */
.fadein.scrollin {
    opacity: 1;
    transform: translate(0, 0);
}

/*　web　*/
.webwrap {
    width: 600px;
    height: auto;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 0 auto 100px auto;
}

.webclm {
    width: 48%;
    height: auto;
    overflow: hidden;
    text-align: center;
    border-bottom: 1px solid #ff5900;
    padding-bottom: 10px;
    margin: 0 0 10px 0;
}

.webtitle {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 8px;
}

.webtitle a {
    text-decoration: none;
}

.webtitle_b {
    color: #ff5900;
}

.contents_year {
    width: 600px;
    height: auto;
    margin: 0 auto 10px auto;
    padding: 3px 0;
    color: #b3bebe;
    background-color: #ff5900;
}

.modelwrap {
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0 auto;
    position: relative;
}

model-viewer {
    width: 100%;
    height: 100%;
    background-color: #555555;
}

.exb_cap {
    width: 100%;
    height: 30px;
    position: absolute;
    left: 0;
    z-index: 999;
    padding: 15px 0 0 2%;
    font-size: 12px;
    font-weight: bold;
    color: #dddddd;
}

.exb_cap a {
    text-decoration: none;
}

.exb_cap img {
    width: 50%
}

.exb_cap span {
    font-size: 10px;
    font-weight: normal;
}

/* 非表示要素 */
.brsp {
    display: none;
}

.hamburger {
    display: none;
}

.globalMenuSp {
    display: none;
}

.c-head-sp {
    display: none;
}

.c-profText-sp {
    display: none;
}