@charset "utf-8";

/* -----------------------------------------------------------
    導入部分
-------------------------------------------------------------- */
#about .about-intro-title {
	font-weight: 700;
	font-size: 3.1rem;
	color: var(--main-blue);
	line-height: 1.8;
	letter-spacing: .07em;
	margin-bottom: 30px;
}
#about .about-intro {
	position: relative;
	padding: 200px 0 25px;
}
#about .about-intro::after {
    content: "";
    display: inline-block;
    right: 0;
    top: 80px;
    background: url(../img/about-us-intro.jpg) center/cover, no-repeat;
    border-radius: 10px 0 0 10px;
    position: absolute;
    width: 40%;
    height: 445px;
    aspect-ratio: 65 / 46;
    z-index: 0;
}
#about .about-intro::before {
    content: "";
    display: inline-block;
    left: 0;
    top: 130px;
    background: var(--recruit-bg-blue);
    border-radius: 0 10px 10px 0;
    position: absolute;
    width: 40%;
    height: 290px;
    aspect-ratio: 65 / 46;
    z-index: -1;
}
#about .about-intro-box {
	width: 635px;
	position: relative;
}
#about .about-intro-box::before {
    content: "";
    display: inline-block;
    right: -400px;
    bottom: -95px;
    background: #E2EDFF;
    border-radius: 10px;
    position: absolute;
    width: 345px;
    height: 208px;
    z-index: -1;
}

/* スライド部分 */
.about-slide {
    display: flex;
    overflow: hidden;
	margin-top: 210px;
}
.about-slide ul {
    display: flex;
    animation: about-slide-img 40s infinite linear .8s both;
    flex-shrink: 0;
}
.about-slide li {
    width: 370px;
    height: 100%;
    flex-shrink: 0;
}
.about-slide li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
@keyframes about-slide-img {
	0% {
		transform: translateX(0);
	}

	100% {
		transform: translateX(-100%);
	}
}
@media screen and (max-width: 768px){
    #about .about-intro::after {
        display: none;
    }    
    #about .about-intro-box {
        width: 100%;
        padding: 0 20px 30px;
    }    
    #about .about-intro-title {
        font-size: 2.1rem;
        margin-bottom: 20px;
    } 
    #about .about-intro::before {
        left: 0;
        top: 28px;
        border-radius: 0 5px 5px 0;
        width: 40%;
        height: 104px;
    }   
    #about .about-intro {
        padding: 45px 0 25px;
    } 
    #about .about-intro-box::before {
        right: 0px;
        bottom: 27px;
        border-radius: 5px 0 0 5px;
        width: 228px;
        height: 122px;
    }  
    .about-slide {
        margin-top: 30px;
    } 
    .about-slide li {
        width: 215px
    }    

}    

/* -----------------------------------------------------------
    飯山特殊硝子の4つの強み
-------------------------------------------------------------- */
#about .about-title-en {
    font-family: var(--main-en);
    color: var(--main-blue);
    font-weight: 500;
    font-size: 4.3rem;
    letter-spacing: .07em;
    margin-bottom: 15px;
}
#about .about-title {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--main-blue);
    letter-spacing: .07em;
    margin-bottom: 30px;
} 
#about .about-title-num {
    font-size: 5rem;
    font-family: var(--main-en);
    font-weight: 500;
    color: #5788DE;
}    
#about .about-lead {
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: .07em;
    margin-bottom: 50px;
    line-height: 1.6;
}    
#about .about-title-area {
    text-align: center;
}       

#about .about-strong-area {
    background: url(../img/about-bg.jpg)center/cover no-repeat;
	padding: 125px;
    position: relative;
}
#about .about-strong-box {
	display: flex;
	margin-bottom: 50px;
    align-items: stretch;
}
#about .about-strong-img {
	width: 40%;
}
#about .about-strong-img img {
	width: 100%;
    border-radius: 10px 0 0 10px;
}
#about .reverse .about-strong-img img {
    border-radius: 0 10px 10px 0;
}    
#about .about-strong-title {
	color: var(--main-blue);
	font-weight: 700;
	font-size: 2.5rem;
	position: relative;
	border-bottom: 2px solid var(--main-blue);
	padding-bottom: 20px;
	margin-bottom: 15px;
    padding-left: 60px;
}
#about .about-strong-title::before {
    content: "";
    position: absolute;
    background: url(../img/strong1.png)center/contain no-repeat;
    width: 53px;
    height: 47px;
    top: 11px;
    left: 20px;
    transform: translate(-50%,-50%);
}
#about .st-title2::before {
    background: url(../img/strong4.png)center/contain no-repeat;
    width: 43px;
    height: 39px;
}
#about .st-title3::before {
    background: url(../img/strong3.png)center/contain no-repeat;
    width: 63px;
    height: 56px;    
}
#about .st-title4::before {
    background: url(../img/strong2.png)center/contain no-repeat;
    width: 59px;
    height: 40px;    
}

#about .about-strong-txtbox {
	background-color: #fff;
	width: 70%;
    border-radius: 0 10px 10px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 50px;
}
#about .about-strong-txt {
	line-height: 1.7;
	margin-bottom: 30px;
}
#about .about-strong-txt:last-of-type {
    margin-bottom: 0;
}
#about .reverse {
    flex-direction: row-reverse;
}
#about .reverse .about-strong-txtbox {
    border-radius: 10px 0 0 10px;
}  
#about .about-strong-area::after {
    content: "STRONG POINT";
    color:rgba(255, 255, 255, 0.5);
    font-family: var(--main-en);
    font-size: 19rem;
    writing-mode: vertical-rl;
    font-weight: 500;
    position: absolute;
    letter-spacing: .07em;
    left: 0;
    bottom: 0;
    z-index: 0;
}  
@media screen and (max-width: 768px){
    #about .about-strong-area {
        padding: 65px 20px;
    }  
    #about .about-strong-box {
        flex-direction: column;
        margin-bottom: 30px;
    }
    #about .about-strong-img {
        width: 100%;
        height: 250px;
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 10px 10px 0 0;
    }      
    #about .about-strong-txtbox {
        width: 100%;
        padding: 30px 15px;
        border-radius: 0 0 10px 10px;
    }    
	#about .about-title-en {
        font-size: 3.9rem;
        margin-bottom: 7px;
    }    
    #about .about-title {
        font-size: 2.2rem;
        margin-bottom: 25px;
    }   
    #about .about-lead {
        font-size: 1.7rem;
        text-align: left;
        line-height: 1.8;
        margin-bottom: 40px;
    }    
    #about .about-strong-img img {
        border-radius: 10px 10px 0 0;
    }   
    #about .reverse .about-strong-img img {
        border-radius: 10px 10px 0 0;
    }  
    #about .reverse .about-strong-txtbox {
        border-radius: 0 0 10px 10px;
    }  
    #about .about-strong-area::after {
        font-size: 5.7rem;
        writing-mode: horizontal-tb; 
        font-weight: 500;
        position: absolute;
        letter-spacing: .07em;
        left: 0;
        bottom: 0;
        z-index: 0;
    }  
    #about .about-strong-title {
        font-size: 2rem;
        padding-bottom: 10px;
        padding-left: 55px;
        line-height: 1.3;
    }  
    #about .about-strong-title::before {
        width: 34px;
        height: 30px;
        transform: translateY(-50%);
        top: 30%;
        left: 7px;
    }   
    #about .st-title2::before {
        width: 30px;
        height: 27px;
        transform: translateY(-50%);
        top: 30%;
        left: 7px;
    }     
    #about .st-title3::before {
        width: 42px;
        height: 37px;
        transform: translateY(-50%);
        top: 30%;
        left: 7px;
    }  
    #about .st-title4::before {
        width: 45px;
        height: 24px;
        transform: translateY(-50%);
        top: 40%;
        left: 7px;
    }       
}
/* -----------------------------------------------------------
    導線部分
-------------------------------------------------------------- */
.about-link-box {
    display: flex;
    flex-wrap: wrap;
    gap: 80px;
    padding: 65px 0;
    justify-content: center;
}
.about-link-box .about-link {
    width: calc((100% - 80px) / 2);
    position: relative;
}
.about-link::before {
    content: "";
    display: inline-block;
    right: 38px;
    bottom: 39px;
    background: url(../img/arrow-blue.png) center/cover, no-repeat;
    position: absolute;
    width: 14px;
    height: 10px;
    z-index: 1;
    transition: all .3s ease-in-out;
}
.about-link:hover::before {
    right: 34px;
    bottom: 39px;
}
.about-link .about-link a {
    width: 100%;
    display: block;
    transition: all .5s ease;
    position: relative;
}
.about-link::after {
    content: "";
    display: inline-block;
    position: absolute;
    right: 24px;
    bottom: 25px;
    width: 40px;
    height: 40px;
    background-color: #fff;
    border-radius: 30px;
    transition: all .3s ease-in-out;
}
.about-link:hover::after {
    right: 20px;
    bottom: 25px;
}
.about-link .about-link-img {
    overflow: hidden;
    border-radius: 10px;
}
.about-link .about-link-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition-duration: 0.3s;
}
.about-link .about-link-txtbox {
    position: absolute;
    top: 70px;
    left: 30px;
}
.about-link-title {
    font-size: 4.7rem;
    color: #fff;
    font-weight: 500;
    font-family: var(--main-en);
    letter-spacing: .07em;
    border-bottom: 2px solid #fff;
    padding-bottom: 7px;
}
.about-link-txt {
    letter-spacing: .07em;
    font-weight: 700;
    color: #fff;
    line-height: 1.7;
    font-size: 2rem;
}
.about-link a:hover .about-link-img img {
    transform: scale(1.1);
    transition-duration: 0.3s;
}
@media screen and (max-width: 768px){
    .about-link-box {
        flex-direction: column;
        gap: 20px;
        padding: 50px 0;
    }
    .about-link-box .about-link {
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }
    .about-link-title {
        font-size: 3.6rem;
    } 
    .about-link-txt {
        font-size: 1.8rem;
    }  
    .about-link .about-link-txtbox {
        top: 33px;
        left: 35px;
    }   
    .about-link::after {
        width: 30px;
        height: 30px;
        right: 35px;
        bottom: 10px;
    }   
    .about-link:hover::after {
        right: 30px;
        bottom: 10px;
    }  
    .about-link::before {
        right: 43px;
        bottom: 20px;
    } 
    .about-link:hover::before {
        right: 38px;
        bottom: 20px;
    }    
}