/* intro01_s01 */
.intro01_s01 {
    padding-top: 300px;
    color: #333;
    text-align: center;
}
.sub_menu {
    display: flex;
    align-items: center;
    justify-content: center;
}
.sub_menu > * {
    margin-right: 10px;
}
.sub_menu p {
    font-size: 15px;
    font-weight: 500;
    color: #9b9b9b;
}
.sub_menu p.active {
    font-weight: 700;
    color: #333;
}
.intro01_s01 h3 {
    margin: 50px 0px 15px;
    font-size: 24px;
    font-weight: 500;
    color: #666;
}
.intro01_s01 h2 {
    margin-bottom: 50px;
    font-size: 60px;
    font-weight: 700;
}
.intro01_s01_txt {
    border-radius: 20px;
    padding: 40px 50px;
    width: fit-content;
    margin: 0 auto 130px;
}
.intro01_s01_txt p {
    font-size: 20px;
    font-weight: 500;
    line-height: 160%;
    color: #4a4a4a;
}

/* intro01_s02 */
.intro01_s02 {
    padding: 200px 0px 200px;
    color: #333;
}
.intro01_s02_wrap {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}
.intro01_s02_wrap > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.intro01_s02 h2 {
    font-size: 42px;
    font-weight: 400;
    line-height: 140%;
}
.intro01_s02 h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 45px 0px 25px;
}
.intro01_s02 p {
    font-size: 20px;
    font-weight: 400;
    line-height: 160%;
}
.intro01_s02_con02 p {
    margin-top: 22px;
}
.intro01_s02 h4 {
    font-size: 24px;
    font-weight: 400;
    margin-top: 30px;
}
.intro01_s02_con02 {
    margin: 251px auto 227px;
}
.intro01_s02 .intro01_s02_con03 {
    justify-content: flex-start;
}

/* intro01_s03 */
.intro01_s03 {
    background-image: url(../img/sub/intro01_s03.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    padding: 100px 0px 189px;
    text-align: center;
    color: #fff;
}
.intro01_s03 h3 {
    font-size: 24px;
    font-weight: 500;
}
.intro01_s03 h2 {
    font-size: 52px;
    font-weight: 700;
    margin: 20px auto 156px;
}
.intro01_s03_con {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 922px;
    width: 100%;
    margin: 0 auto;
}
.intro01_s03_con span {
    font-size: 20px;
    font-weight: 500;
}
.intro01_s03_con h4 {
    font-size: 32px;
    font-weight: 700;
    margin: 10px auto 14px;
}
.intro01_s03_con p {
    font-size: 18px;
    font-weight: 500;
    line-height: 140%;
}
.intro01_s03_con > div {
    position: relative;
}
.intro01_s03_con > div::before {
    content: '';
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    width: 356px;
    height: 356px;
    border-radius: 50%;
    border: 1px solid #fff;
}

/* intro01_s04 */
.intro01_s04 {
    padding: 150px 0px;
    text-align: center;
    color: #333;
}
.intro01_s04 h3 {
    text-align: center;
    font-size: 24px;
    font-weight: 500;
    color: #4a4a4a;
}
.intro01_s04 h2 {
    text-align: center;
    font-size: 52px;
    font-weight: 700;
    margin: 15px auto 65px;
}
.intro01_s04 .intro01_s04_list > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px 70px;
    text-align: justify;
    opacity: 0.3;
}
.intro01_s04_list h4 {
    font-size: 28px;
    font-weight: 700;
    color: #4a4a4a;
    margin-bottom: 15px;
}
.intro01_s04_list p {
    font-size: 20px;
    font-weight: 400;
    color: #4a4a4a;
    line-height: 160%;
}
.intro01_s04_line {
    width: 100%;
    height: 1px;
    background-color: #ccc;
    display: block;
}
.intro01_s02_con03 > div {
    margin-left: 60px;
}