div.about_main {
    background-image: url(../img/about_img2.webp);
    /* background-repeat: no-repeat; */
    background-size: cover;
    background-position: center;
    position: relative;
}

div.about_main::after{
    content: "";
    position: absolute;
    top:0;
    right: 0;
    bottom: 0;
    left: 0;
    background: black;
    opacity: 0.2;
}
div.about_main h1 {
    color: white;
    font-size: 2.2rem;
    /* padding-top: 100px; */
    /* padding-left: 100px; */
    text-shadow: #0000006e 1px 0 10px;
    font-weight: bold;
    height: 256px;
    width: 100%;
    max-width: 1450px;
    margin: auto;
    width: 90%;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
    font-family: "Source Han Sans JP", "Noto Sans JP", sans-serif;
}

/* ここからabout nav */
section .about_nav {
    width: 100%;
    max-width: 1530px;
    margin: auto;
    z-index: 9999;
    position: sticky;
    position: -webkit-sticky;
    top: 6%;
    /*padding: 0 7%;*/
    background: white;
  }

.about_nav ul {
    height: 100%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.about_nav ul li {
    width: 25%;
    height: 100%;
    text-align: center;
}

.about_nav ul li a {
    width: 90%;
    margin: auto;
    display: block;
    box-sizing: border-box;
    padding: 40px 0 15px;
    font-size: 1.1rem;
    font-family: "Source Han Sans JP", "Noto Sans JP", sans-serif;
    font-weight: bold;
    color: #999;
    border-bottom: 3px solid #d1d3d4;
    transition: all 1s;
    text-decoration: none;
    color: #58595b;
  }

.about_nav ul li a:hover {
    color: #1D7E5C;
    border-bottom: 3px solid #1D7E5C;
}

/* ここまでabout nav */
/* ここからabout1 */

.about1 {
    width: 90%;
    max-width: 1450px;
   /* padding: 100px 0 50px 50px;*/
    margin-top: -100px;
    margin: auto;
}

.about1 .about_contents {
    display: flex;
    margin: 25px 0 56px;
    /* height: 270px; */
    align-items: center;
}

.about_contents img {
    width: 100%;
    max-width: 500px;
}

/*画像幅*/
@media (min-width: 768px){
    .about1 .col-md-4 {
        width: 30.333333%;
    }
    }
    
/*
.about1 .about_contents .col-md-4 img {
    max-width: 350px;
    width: 75%;
    margin-top: 50px;
    margin-bottom: 30px; 
    margin-left: 12%;
}
*/
.about1 h2, .about4 h2 {
    font-size: 2rem;
    font-family: "Source Han Sans JP", "Noto Sans JP", sans-serif;
    font-weight: bold;
    color: #1D7E5C;
    margin-top: -6rem;
    display: flex;
    align-items: center;
    padding-top: -6rem;
    padding-top: 11rem;
  }
   /* padding: 50px 4% 0;*/


.about1 .about_contents .col-md-8 {
    padding: 0 5% 0 0%;
}

.about1 .about_contents .col-md-8 h3 {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 30px;
    margin-left: 1re;
    font-size: 1.55rem;
    color: #58595b;
    font-family: "Source Han Sans JP", "Noto Sans JP", sans-serif;
    font-weight: bold;
}
.about1 .about_contents .col-md-8 h3::before {
    font-family: "Font Awesome 5 Free";
    content: "\f00c";
    font-weight: 900;
    position: absolute;
    font-size: 1em;
    left: 0;
    top: 0;
    color: #1D7E5C;
    font-weight: 900;
}

.about1 .about_contents .col-md-8 p {
    font-family: "Source Han Sans JP", "Noto Sans JP", sans-serif;
/*    font-weight: bold; */
    line-height: 2rem;
}

/* ここまでabout1 */
/* ここからabout4 */
#about4 {
/*    margin: -100px;
    padding: 100px;
*/
}



#about4 h2 {
    font-size: 2rem;
    font-family: "Source Han Sans JP", "Noto Sans JP", sans-serif;
    font-weight: bold;
    color: #1D7E5C;
    padding: 50px 7% 0;
      padding-top: 50px;
    max-width: 1450px;
    margin: -5rem auto 0;
    text-align: center;
    padding-top: 7rem;
  }
#about4 div {
    width: 90%;
    /* height: 90%; */
    aspect-ratio: 16/9;
    text-align: center;
    margin: 50px auto 0;
    box-sizing: border-box;
    /* padding: 20px 5%; */
    /* margin: 0; */
    margin-top: 1.5rem;
    max-width: 945px;
}

div#about4 {
    /* background: #1D7E5C; */
    max-width: 1450px;
    margin: auto;
    padding-top: 1rem;
    padding-bottom: 3rem;
    /* color: white!important; */
    border-radius: 11px;
    margin-top: 4rem;
}
#about4 div iframe {
    width: 100%;
    height: 100%;
}

.halfs_image {
	display: flex;
}

.half_image {
	width: 50%;
	display: flex-box;
	padding: 0 2%;
}

.movie-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}


.sizai{
    margin-bottom:5rem ;
}


/* レスポンシブ */
@media screen and (max-width: 768px) {

	.half_image {
		width: 100%;
	}

	.halfs_image {
		/*display: block;*/
	   /* width: 93%;
	    margin-left: 7%;*/
        margin-top: 1rem!important;
	}
	
	div.about_main h1 {
		font-size: 1.5rem;
        height: 160px;
		/*padding-top: 70px;
		padding-left: 70px;
		
		width: 100%;*/
	}

    /* nav */
    .about_nav ul {
        padding-left: 0;
    }

    /* ここからabout1 */
    .about1 {
        /*padding: 40px 10px 0;*/
        margin-top: -40px;
    }

    .about1 h2, #about4 h2 {
        font-size: 1.5rem;
        text-align: center;
    }

    .about1 .about_contents .col-md-8 h3 {
        font-size: 1.33rem;
      /*  padding: 0 7%;*/
    }

    .about1 .about_contents .col-md-8 p {
        font-size: 0.9rem;
        font-weight: normal;
        /*padding: 0 7%;*/
    }

	.about1 .about_contents .col-md-4 img {
        max-width: 350px;
        width: 100%;
        margin-top: 30px;
        /* margin-left: 7%;*/
	}



    .about1 .about_contents {
        display: block;
        height: 100%;
        margin-top: 28px;
    }

    .about1 .about_contents .col-md-8 {
        padding: 0;
    }

    .about1 .about_contents .col-md-4 {
        display: flex;
        justify-content: center;
    }

    /* ここまでabout1 */
    /* ここまでabout4 */
    #about4 h2 {
        font-size: 1.8rem;
        padding-left: 10px;
    }

    #about4 div {
        padding: 5%;
    }

    .about_nav ul li {
        height: 50%;
    }

    .about_nav ul li a {
        font-size: 0.875rem;
    }
}

@media screen and (max-width: 580px) {
    .about_nav ul {
        display: none;
    }

    .about1 h2, #about4 h2 {
        text-align: center;
    }

    .about1 .about_contents .col-md-4 {
        padding-left: 0;
    }

    p {
        font-size: 13px!important;
    }

    .about1 .about_contents .col-md-8 h3 {
        padding-left: 1.5rem;
        position: relative;
        margin-bottom: 15px;
    }

    .about1 h2, .about4 h2 {
        font-size: 1.28rem!important;
        margin-top: -6rem;
        padding-top: 8rem;
}

.sp_100{
    width: 100%;
}

.halfs_image.sp_100 {
    display: block;
}

.sizai {
    margin-bottom: 3rem;
    margin-top: 2rem;
}

#about4 h2 {
    color: #1D7E5C;
    padding: 36px 7% 0;
    margin: -5rem auto 0;
    padding-top: 3rem;
}

#about4 div {
    margin-top: 0.7rem;
}


}


@media screen and (max-width: 420px) {

    .movie-wrap2{
        margin-top: 29px!important;
    }

    section .about_nav {
        display: none;
    }

    .about1 h2 {
        font-size: 1.625rem;
    }

    .about1 .about_contents .col-md-4 img {
        max-width: 73%;
    }

    .about1 .about_contents .col-md-8 h3 {
        font-size: 1rem;
    }

    #about4 div iframe {
       /* width: 350px;
        height: 290px;*/
    }

    #about4 div {
        text-align: center;
        padding: 0;
    }

    #about4 h2 {
        font-size: 1.2rem;
        /* padding-left: 10px; */
        /* margin-bottom: 20px;
    }

    .about1 .about_contents .col-md-4 {
        /*height: 120px;*/
    }
}