body {
    font-family: "Noto Sans JP", sans-serif;
    color: #333333;
}
header {
    margin-top: 35px;
    text-align: center;
    padding-bottom: 5px;
}
header .top {
    font-size: 27px;
    font-weight: 520;
    letter-spacing: 1px;
}
header .text {
    font-size: 16px;
    font-weight: 550;
    letter-spacing: 1px;
    margin-bottom: 25px;
    margin-top: 10px;
    color:rgba(47, 146, 96, 0.889);
}
nav {
    background: linear-gradient(to right,rgba(47, 146, 96, 0.889) ,#8fbc8f);
}
.header_menu li { 
    color: #ffffff;
    margin-top: 16px;
    margin-bottom: 16px;
    letter-spacing: 1px;
    font-size: 23px;
    font-weight: 550;
}
.header_menu li a:hover {
    color: #333333;
    transition: .3s;
}
@media only screen and (max-width: 767px) {
    header .top {
        font-size: 21px;
    }
    header .text {
        font-size: 15px;
    }
    .header_menu li { 
        font-size: 15px; 
    }
 }
.flex {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    align-items: center;
}

/* 共通 */
.container {
    width: 90%;
    max-width: 1140px;
    margin: 0 auto;
}
.section {
    padding: 60px 0;
}
.ja {
    font-size: 40px;
    font-weight: 550;
    color: rgba(47, 146, 96, 0.889);
    text-align: center;
    margin-top: 300px;
    margin-bottom: 30px;
}
.ja1 {
    font-size: 24px;
    font-weight: 550;
    color: rgba(47, 146, 96, 0.889);
    margin-bottom: 20px;
}
hr {
    margin-top: 20px;
    color: rgb(123, 114, 114);
}
.text {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 25px;
}
.text3 {
    font-size: 13px;
    margin-bottom: 150px;
    margin-left: 2%;
    line-height: 1.6;
}
.text4 {
    margin-top: 15px;
    font-size: 13px;
    margin-left: 15%;
    line-height: 1.6;
}
span {
    color: #ffffff;
    font-size: 70px;
    font-weight: 700;
}
.row {
    display: flex;
    justify-content: space-between;
    
}
@media only screen and (max-width: 767px) {
    .section {
        padding: 30px 0;
    }
    .ja {
        font-size: 30px;
        text-align: center;
        margin-top: 200px;
    }
    .ja1 {
        font-size: 16px;
        text-align: center;
    }
    .text {
        font-size: 14px;
        line-height: 1.6;
    }
    .row {
        flex-wrap: wrap;
    }
    .col {
        width: 100% !important;
    }
    span {
        font-size: 21px;
    }
    .text3 {
        font-size: 8px;
        margin-top: 10px;
    }
    .text4 {
        font-size: 8px;
        margin-top: 10px;
    }
}

.section1 { 
    position: relative;
    height: 110vh;
    overflow: hidden;
}
.section1 video {
    position: absolute;
    filter: brightness(65%);
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}
.section1 .box {
    position: absolute;
    top: 60%;
    left: 10%;
    transform: translateY(-50%);
    color: #ffffff;
}
.section1 h1 {
    font-size: 44px;
    font-weight: 600;
    line-height: 1.5;
}
.section1 .text {
    font-size: 28px;
    font-weight: 550;
}
.section1 span {
    display: inline-block;
    text-shadow: 
    2px 2px 1px rgba(47, 146, 96, 0.889),
    -2px 2px 1px rgba(47, 146, 96, 0.889),
    2px -2px 1px rgba(47, 146, 96, 0.889),
    -2px -2px 1px rgba(47, 146, 96, 0.889),
    2px 0 1px rgba(47, 146, 96, 0.889),
    0px 2px 1px rgba(47, 146, 96, 0.889),
    -2px 0px 1px rgba(47, 146, 96, 0.889),
    0px -2px 1px rgba(47, 146, 96, 0.889);
}
@media only screen and (max-width: 767px) {
    .section1 {
        height: 40vh;
    }
    .section1 .box {
        top: 60%;
        left: 8%;
    }
    .section1 h1 {
        font-size: 17px;
    }
    .section1 .text {
        font-size: 13px;
    }
    
}

#content {
    padding: 70px 0;
}
#content .row {
    align-items: center;
}
#content .col:first-child {
    width: 45%;
    text-align: center; 
}
#content .col:last-child {
    width: 54%;
}
#content h2 {
    font-size: 30px;
    font-weight: 550;
    margin-bottom: 15px;  
}
#content .text {
    font-size: 15px;
    line-height: 1.5;
    letter-spacing: 0.5px;
    margin-top: 70px;
}
#content img {
    width: 350px;
    height: 350px;
    object-fit: cover;
}
@media only screen and (max-width: 767px) {
    #content img {
        width: 250px;
        height: 250px;
    }
    #content h2 {
        font-size: 18px;
        text-align: center;
        margin-top: 30px;
    }
    #content .text{
        font-size: 13px;
        margin-top: 70px;
    }
}

#gazou .slider-wrapper {
    display: flex; 
    overflow: hidden; 
  }
#gazou .slider {
    animation: scroll-left 50s infinite linear .3s both;
    display: flex; 
  }
#gazou .slide {
    width: calc(100vw / 4);
  }
#gazou .slide img {
    width: 90%;
    height: 80%;
    object-fit: contain;
  }
@keyframes scroll-left {
    from {
      transform: translateX(0);
    }
    to {
      transform: translateX(-100%);
    }
}
@media only screen and (max-width: 767px) {
    #gazou .slider {
        animation: scroll-left 30s infinite linear .6s both;
      }
    #gazou .slide {
        width: calc(100vw / 3); /* 3はスライドの枚数 */
      }
      #gazou .slide img {
        width: 120%;
        height: 70%;
      }
}

#gaiyou {
    position: relative;
    overflow: hidden;
}
#gaiyou::before {
    content: 'Environment';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    font-size: 190px;
    letter-spacing: -6px;
    color: #f9f9f9;
    font-weight: 900;
    z-index: -1;
}
#gaiyou span {
    font-size: 27px;
    font-weight: 550;
    color: #ff9933;
}
#gaiyou ul li {
    font-size: 27px;
    font-weight: 500;
    margin-bottom: 20px;
    list-style-type: square; margin-left: 17px;
}
#gaiyou img  {
    margin: 0 auto;
    width: 100%;
    margin-top: 50px;
}
#gaiyou .text  {
    font-size: 15px;
    margin-bottom: 60px;
}
@media only screen and (max-width: 767px) {
    #gaiyou::before {
        top: 30%;
        left: 50%;
        font-size: 85px;
    }
    #gaiyou ul li {
        font-size: 21px;
        font-weight: 600;
    }
    #gaiyou .text  {
        font-size: 13px;
        margin-bottom: 60px;
    }
}
/* #haikei {
    border-radius: 20px;
    color: #000000;
}
#haikei h2 {
    margin-bottom: 40px;
}
#haikei .text {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 30px;
}
#haikei .row {
    margin-bottom: 30px;
}
#haikei .col {
    width: 32%;
    background-color: rgba(47, 146, 96, 0.889);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
}
#haikei img {
    height: 80px;
    margin-bottom: 20px;
}
#haikei h3 {
    font-family: "Noto Sans JP", sans-serif;
    color: #ffffff;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}
#haikei .text2 {
    color: #0e0e06;
    font-size: 13px;
    text-align: left;
}
#haikei hr {
    color: #d6d4d4;
}
@media only screen and (max-width: 767px) {
    #haikei .row {
        gap: 20px 0;
    }
    #haikei .text {
        font-size: 18px;
        font-weight: 600;
    }
}  */

#question {
    position: relative;
    overflow: hidden;
    text-align: center;
}
#question::before {
    content: 'Environment';
    position: absolute;
    top: 70%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    font-size: 190px;
    letter-spacing: -6px;
    color: #f9f9f9;
    font-weight: 900;
    z-index: -1;
}
#question span {
    color: orange;
    font-size: 24px;
    font-weight: 550;

}
#question .introduce {
    background-color: rgba(47, 146, 96, 0.889);
    color: #ffffff;
    font-size: 18px;
    font-weight: 550;
    padding: 9px 20px 9px;
    border-radius: 100px;
    transition: 1s;
    margin-bottom: 50px;
}
#question .introduce:hover {
    opacity: 0.6;
}
#question .text {
    font-size: 17px;
    font-weight: 550;
    margin-top: 60px;
    margin-bottom: 50px;
} 
#question hr {
    margin-top: 70px;
}
@media only screen and (max-width: 767px) {
    #question::before {
        top: 70%;
        left: 50%;
        font-size: 65px;
    }
    #question .introduce {
        font-size: 14px;
    }
    #question span {
        font-size: 15.5px;
    }
    #question .text {
        font-size: 12.5px;
    }
}

#kinou {
    position: relative;
    overflow: hidden;
}
#kinou::before {
    content: 'function';
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    font-size: 260px;
    letter-spacing: -6px;
    color: #f9f9f9;
    font-weight: 900;
    z-index: -1;
}
#kinou ul li {
    font-size: 27px;
    font-weight: 500;
    margin-top: 35px;
    margin-bottom: 20px;
    list-style-type: square; margin-left: 17px;
}
#kinou .text  {
    font-size: 15px;
    margin-bottom: 40px;
}
#kinou img {
    width: 100%;
    height: 100%;
    margin-top: 50px;
}
@media only screen and (max-width: 767px) {
    #kinou::before {
        font-size: 80px;
    }
    #kinou ul li {
        font-weight: 600;
        font-size: 22px;
    }
    #kinou .text{
        font-size: 13px;
    }
    #kinou ul li {
        font-size: 18px; 
    }
}

#tyousa {
    position: relative;
    overflow: hidden;
}
#tyousa ul li {
    font-size: 27px;
    font-weight: 500;
    margin-top: 30px;
    margin-bottom: 20px;
    list-style-type: square; margin-left: 17px;
}
#tyousa span {
    font-size: 30px;
    font-weight: 600;
    color: #ff9933;
}
#tyousa img {
    width: 100%;
    height: 100%;
    margin-top: 15px;
}
#tyousa .img {
    margin: 0 auto;
    width: 70%;
    border-radius: 20px;
}
@media only screen and (max-width: 767px) {
    #tyousa span {
        font-size: 20px;
        font-weight: 600;
    }
    #tyousa ul li {
        font-size: 17px; 
        font-weight: 600;
        line-height: 1.4;
        margin-bottom: 30px;
    }
    #tyousa .text{
        font-size: 13px;
    }
}

#about {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: auto;
    overflow-y: auto;
}
#about table {
    width: 100%;
    height: 20vh;
    margin: 6.5rem auto;
    table-layout: fixed;
}
#about span {
    font-size: 16px;
    color: #333333;
    font-weight: 550;
    line-height: 1.4;
}
.what {
    width: 29%;
}
.when {
    width: 27%;
}
table, th, td {
    border-collapse: collapse;
    padding: 1.4rem;
}
thead th {   
    background-color: rgba(47, 146, 96, 0.889);
    color: white;
    font-size: 24px;
    font-weight: 550;
    text-align: center;
}
tbody tr:nth-child(even) {
    background-color: #0000000b;
}
tbody tr {
    font-size: 14px;
    line-height: 1.4;
    color: #333333; 
}
@media only screen and (max-width: 767px) {
    #about span {
        font-size: 14px;
    }
    .what {
        width: 33%;
    }
    .when {
        width: 33%;
    }
    thead th {  
        font-size: 13px; 
        font-weight: 550;
        text-align: center;
        }
    tbody tr {
        font-size: 11px;
    }
}

.stepbar {
    margin: 0 auto;
    width: 65%;
}
.stepbar .stepbarwrap {
    margin: 2em 0;
    position: relative;
}
.stepbar .stepbarwrap .steptitle {
    display: inline-flex;
    align-items: center;
}
.stepbar .stepbarwrap .steptitle .stepcircle {
    display: flex;
    justify-content: center;
    -webkit-box-pack: center;
    width: 6em;
    height: 6em;
    margin-bottom: 15px;
    border-radius: 50%;
    background-color: rgba(47, 146, 96, 0.889);
    text-align: center;
}
.stepbar .stepbarwrap .steptitle .stepcircle span {
    color: #ffffff;
    line-height: 1.4em;
    font-size: 23px;
    position: relative;
    top: 0.9em;
  }
.stepbar .stepbarwrap .steptitle .title {
    margin: 1.5em;
    font-weight: 550;
    font-size: 1.45em;
}
.stepbar .stepbarwrap .steptitle .title span {
    color: #ff9933;
    font-weight: 550;
    font-size: 1.2em;
}
.stepbar .stepbarwrap .steptxt {
    padding-left: 8.6em;
    margin-bottom: 80px;
}
.stepbar .stepbarwrap .steptxt .txt {
    color: #333333;
    font-size: 0.8em;
    font-weight: 500;
}
.stepbar .stepbarwrap .steptxtx {
    padding-left: 8.6em;
    margin-bottom: 60px;
}
.stepbar .introduce {
    background-color: rgba(47, 146, 96, 0.889);
    color: #ffffff;
    font-size: 20px;
    font-weight: 500;
    padding: 8px 18px 8px;
    border-radius: 100px;
    transition: 1s;
}
.stepbar .introduce:hover {
    opacity: 0.6;
}
.stepbar .stepbarwrap .stepimg1 img{
    margin-left: 7em;
    width: 40%;
    height: 40%;
}
.stepbar .stepbarwrap .stepimg2 img{
    margin-left: 7em;
    width: 57%;
    height: 57%;
}
.stepbar .stepbarwrap .stepimg3 img{
    margin-top: 50px;
    margin-left: 7em;
    width: 70%;
    height: 70%;
}
.stepbar .stepbarwrap .stepline {
    width: 1.8px;
    height: calc(100% + 1em);
    background-color: rgba(47, 146, 96, 0.889);
    position: absolute;
    top: 0.8em;
    left: 0.73em;
    z-index: -1;
}
.stepbarwrap:last-of-type .stepline:last-of-type {
    display: none;
}  
@media screen and (max-width: 767px) {
    .stepbar {
      width: 95%;
    }
    .stepbar .stepbarwrap .steptitle .stepcircle {
        max-width: 4em;
        max-height: 4em;
    }
    .stepbar .stepbarwrap .steptitle .stepcircle span {
        line-height: 1.4em;
        font-size: 15px;
      }
    .stepbar .stepbarwrap .steptitle .title {
        margin: 1em;
        font-weight: 600;
        font-size: 0.9em;
    }
    .stepbar .stepbarwrap .steptitle .title span {
        font-weight: 550;
        font-size: 15px;
    }
    .stepbar .stepbarwrap .steptxt {
        padding-left: 6em;
        margin-bottom: 50px;
        font-size: 13px;
    }
    .stepbar .stepbarwrap .steptxt .txt {
        color: #333333;
        font-size: 1em;
        font-weight: 500;
    }
    .stepbar .stepbarwrap .steptxtx {
        margin-bottom: 40px;
        padding-left: 7.1em;
    }
    .stepbar .introduce {
        background-color: rgba(47, 146, 96, 0.889);
        color: #ffffff;
        font-size: 15px;
        font-weight: 550;
        padding: 9px 20px 9px;
        border-radius: 100px;
        transition: 1s;
    }
    .stepbar .stepbarwrap .stepimg1 img{
        margin-left: 23%;
        width: 60%;
        height: 60%;
    }
    .stepbar .stepbarwrap .stepimg2 img{
        margin-left: 15%;
        width: 82%;
        height: 82%;
    }
    .stepbar .stepbarwrap .stepimg3 img{
        margin-left: 15%;
        width: 90%;
        height: 90%;
    }
    .stepbar .stepbarwrap .stepline {
        width: 1.8px;
        height: calc(100% + 1em);
        background-color: rgba(47, 146, 96, 0.889);
        position: absolute;
        top: 0.8em;
        left: 1.11em;
        z-index: -1;
    }
}

footer {
    color: #333333;
    text-align: center;
}
footer .container {
    margin: 0 auto;
   border-top: solid 1.5px;
   padding: 40px;
}
footer .logo {
    font-size: 25px;
    font-weight: 550;
    display: inline-block;
    margin-bottom: 20px;
}
footer ul {
    display: flex;
    justify-content: center;
}
footer ul li {
    font-size: 16px;
    font-weight: 550;
    margin: 0 10px;
}
footer ul li a {
    transition: 2s;
}
footer ul li a:hover {
    opacity: 0.6s;
}
footer .logo1 img {
    height: 200px;
}
footer p {
    font-size: 13px;
    margin-top: 50px;
}
@media only screen and (max-width: 767px) {
    footer .logo {
        font-size: 18px;
    }
    footer ul li {
        font-size: 13px;  
    }
    footer .logo1 img {
        height: 100px;
    }
    footer p {
        font-size: 8px;
    }
}