@charset "utf-8";

html,body {
    margin: 0;
    padding: 0px;
    /*box-sizing: border-box;*/
    height: auto;
}

*, *::before, *::after {
  box-sizing: inherit;
}

.background{
    position: relative;
    display: inline-block;
}

.body{
    font-family: 'Yu Gothic','游ゴシック','Hiragino Sans';
    font-size: 1em;
    color: black;
}

#container{
    background-color: white;
    margin: 0 auto;
    width: 100%;
    max-width: 100%;
    background-size: contain;
    text-align: left;
}

.box{
    width: 100%;
    height: 70px;
    background-color: #185EAE;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    box-sizing: border-box;
}

.box-text{
    font-size:20px;
    color: white;
    /*margin-left: 20px;*/
}

.box-shape{
    width: 32px;
}

.hamburger{
    all: unset;
    display:flex;
    flex-direction: column;
    justify-content: center;
    width: 100px;
    /*height: 100px;*/
    cursor: pointer;
    border: none;
    outline: none;
    position: fixed;
    top: 8.5px;
    right: -35px;
}

.hamburger-line{
    width:42px;
    height:7px;
    background-color: white;
    margin:0 auto;
    position: absolute;
}

.hamburger span:nth-child(1){top:8px;}
.hamburger span:nth-child(2){top:23px;}
.hamburger span:nth-child(3){top:38px;}

.container{
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    /*margin: 0 auto;*/
}

.first_view_image{
    opacity: 0.4;
    width:100%;
}

.rectangle{
    position: absolute;
    width: 270px;
    height: 38px;
    background: rgba(255,255,255,0.7);
    z-index: 1;
}

.texttt{
    position: absolute;
    color: black;
    font-size: 23px;
    z-index: 2;
    margin: 0;
    text-align: center;
    white-space: nowrap;
    font-weight: 590;
}

.scroll-rectangle{
    position: absolute;
    width: 1px;
    height: 65px;
    background: rgba(0,0,0,10);
    top: 295px;
    left: 60px;
}

.scroll{
    position: absolute;
    top: 295px;
    left: 70px;
    font-weight: 300;
    font-size: 10px;
    letter-spacing: 0.5px;
}

.first_view_text{
    opacity: 0.4;
    display: flex;
    justify-content: center;
}

.about{
    position: relative;
    display: block;
    float:none;
    /*width: 100%;*/
    height: 270px;
    margin: 0 auto;
}

.about-h3{
    position: absolute;
    top: 100px;
    left: 95px;
    font-size: 20px;
    /*font-weight: 500;*/
}

.about-rectangle{
    position: absolute;
    width: 260px;
    height: 7px;
    background: rgba(0,0,0,10);
    top: 155px;
    left: 65px;
}

.about-1{
    display: flex;
    align-items: flex-start;/* 上端をそろえる（中央にしたければ center） */
    gap: 35px; 
}

.about_1_image{
    width: 160px;
    height: 180px;
}

.about_1_text{
    font-size: 12px;
    font-weight: 100;
    top: 615px;
    padding-right: 35px;
    padding-top: 10px;
}

.about-2{
    display: flex;
    align-items: flex-start;/* 上端をそろえる（中央にしたければ center） */
    gap: 35px;
    padding-top: 80px;
}

.about_2_text{
    font-size: 12px;
    font-weight: 100;
    top: 615px;
    padding-left: 35px;
    padding-top: 10px;
}

.about_2_image{
    width: 160px;
    /*height: 180px;*/
}

.introduce{
    position: relative;
    top: 130px;
}

.intro_rectangle{
    width: 100%;
    height: 160px;
    background-color: #185EAE;
    z-index: 1;
    overflow: hidden;
}

.intro_h3{
    position: absolute;
    top: 75px;              /* 縦の中央 */
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
    color: white;
    font-size: 18px;
    z-index: 10;
}

.intro_h3_2{
    position: absolute;
    top: 100px;
    bottom: 10px;          /* 長方形下端から10px上 */
    margin: 0;
    color: #749ECE;
    font-size: 50px;
    z-index: 10;
}

.mask_rectangle{
    background-color: white;
    top: 1350.3px;
    width: 100px;
    height: 50px;
    z-index: 10;
}

.all{
    display: flex;
    padding-top: 347px;
    gap: 10px;
}

.intro_text{
    /*display: flex;*/
    gap: 10px;
    
}

.intro_title{
    font-size: 13px;
    padding-left: 35px;
    text-align: center;
}

.intro_detill{
    font-size: 12px;
    font-weight: 100;
    padding-left: 50px;
    padding-top: 16px;
}

.Group_2{
    /*width: 100px;*/
    height: 200px;
    padding-right: 10px;
}

.line_rectangle{
    position: absolute;
    width: 220px;
    height: 5px;
    background-color: black;
    top: 1464px;
    left: 30px;
}

.menu{
    display: flex;
    justify-content: center;  /* 水平中央 */
}

.plus_rectangle{
    width: 350px;
    height: 1px;
    background-color: #676767;
    color: #676767;
    /*padding-top: 10px;*/
    top: 1720px;
}

.plus_rectangle_2{
    width: 350px;
    height: 1px;
    background-color: #676767;
    color: #676767;
    /*padding-top: 10px;*/
    top: 1790px;
}

.plus_rectangle_3{
    width: 350px;
    height: 1px;
    background-color: #676767;
    color: #676767;
    /*padding-top: 10px;*/
    top: 1860px;
}

.plus_rectangle_4{
    width: 350px;
    height: 1px;
    background-color: #676767;
    color: #676767;
    /*padding-top: 10px;*/
    top: 1930px;
}

.menu_text{
    padding-top: 45px;
    padding-left: 35px;
}

.menu_text_1{
    font-weight: 100;
    font-size: 17px;
}

.menu_text_2{
    padding-top: 28px;
    font-weight: 100;
    font-size: 17px;
}

.menu_text_3{
    padding-top: 28px;
    font-weight: 100;
    font-size: 17px;
}

.button_list{
    display: flex;
    padding-left: 330px;
}

.button_1{
    position: absolute;
    top: 1745px;
}

.button_2{
    position: absolute;
    top: 1815px;
}

.button_3{
    position: absolute;
    top: 1885px;
}

.circle_1{
    position: absolute;
    width: 110px;           /* 横幅 */
    height: 110px;          /* 縦幅（正円なら同じ値） */
    background-color: #185EAE;
    border-radius: 50%;     /* これで円！ */
    top: 70px;
    left: 140px;
}

.circle_menu{
    position: relative;
}

.circle_text{
    position: absolute;
    font-size: 15px;
    font-weight: 100;
    color: white;
    text-align: center;
    padding-top: 85px;
    padding-left: 158px;
    z-index: 10;
}

.circle_menu_2{
    position: relative;
}

.circle_2{
    position: absolute;
    width: 110px;           /* 横幅 */
    height: 110px;          /* 縦幅（正円なら同じ値） */
    background-color: #185EAE;
    border-radius: 50%;     /* これで円！ */
    top: 190px;
    left: 70px;
}

.circle_text_2{
    position: absolute;
    font-size: 15px;
    font-weight: 100;
    color: white;
    text-align: center;
    padding-top: 205px;
    padding-left: 87px;
    z-index: 10;
}

.circle_menu_3{
    position: relative;
}

.circle_3{
    position: absolute;
    width: 110px;           /* 横幅 */
    height: 110px;          /* 縦幅（正円なら同じ値） */
    background-color: #185EAE;
    border-radius: 50%;     /* これで円！ */
    top: 190px;
    left: 210px;
}

.circle_text_3{
    position: absolute;
    font-size: 15px;
    font-weight: 100;
    color: white;
    text-align: center;
    padding-top: 219px;
    padding-left: 230px;
    z-index: 10;
}

.text{
    position: absolute;
    font-size: 16px;
    padding-top: 340px;
    padding-left: 50px;
    font-weight: 100;
}

.demonstration{
    position: relative;
}

.demo_text{
    font-size: 20px;
    padding-top: 440px;
    padding-left: 75px;
}

.demo_rectangle{
    background-color: black;
    width: 300px;
    height: 7px;
    top: 477px;
    left: 45px;
}

.movie{
    position: absolute;
    width: 300px;
    height: 200px;
    padding-top: 30px;
    padding-left: 45px;
}

.header_img{
    position: absolute;
    width: 100%;
    height: 90px;
    padding-top: 290px;
}

.header_text{
    position: absolute;
    color: white;
    font-size: 20px;
    padding-top: 302px;
    padding-left: 130px;
    z-index: 10;
}