.inner-960 {
    width: 960px;
    margin:0 auto;
}
.element {
    opacity: 0;
    visibility: hidden;
    transform: translateY(30px);
    transition: opacity 1s, visibility 1s, transform 1s;
}
.is-fadein {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.main_visual {
    height: 300px;
    background-color: black;
    color: #fff;
    text-align: center;
}
.about_left {
    position: relative;
    top: 80px;
    left: 0;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 14px;
    letter-spacing: 0.1em;
}
.about_left_list {
    position: absolute;
}
.about_left li {
    padding-bottom: 30px;
}
.about_left li:hover {
    text-decoration: underline;
}
.about_text {
    text-align: center;
    font-family: 'Noto Serif JP', serif;
}
.about_text h3 {
    font-size: 25px;
    letter-spacing: 0.04em;
    line-height: 1.72;
    padding-bottom: 5%;
}
.about_text p {
    font-size: 17px;
    line-height: 2.18;
    padding-bottom: 6%;
}
#news_topics {
    text-align: center;
    background-color: #efefef;
}
#works {
    text-align: center;
    background-color: #fff;
}

.btn3 {
    padding: 3% 0 2% 0
}
.btn3 a {
    font-family: 'Noto Serif JP', serif;
}
.btn1 {
    margin-bottom: 50px;;
}

@media screen and (max-width: 1200px) {
    .inner-960 {
        width: auto;
    }
    section {
        padding: 0 8%;
    }
}
@media screen and (max-width: 940px) {
    .about_left_list {
        position: static;
        display: block;
    }
    .about_left {
        top:30px;
    }
    section {
        padding: 0 8%;
    }
}

@media screen and (max-width: 800px) {

}

@media screen and (max-width: 480px) {
    section {
        padding: 25px 4%;
    }
    .about_text h3 {
        font-size: 18px;
    }
    .about_text p {
        font-size: 14px;
    }
    .about_left li {
        padding-bottom: 20px;
    }
    .btn1 {
        margin-bottom: 0;
    }
    #works {
        margin-bottom: 50px;
    }
}

@media screen and (max-width: 375px) {

}