/*  Reset CSS  */
body {
    margin: 0;
}

strong {
    font-weight: 900;
}

/*  Section: Intro  */
.v-title {
    text-align: center;
    margin-bottom: 28px;
}

.v-title b {
    display: inline-block;
    padding: 10px 50px;
    font-size: 20px;
    letter-spacing: -0.48px;
    text-transform: capitalize;
    position: relative;
}

.v-title b::before,
.v-title b::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateX(-50%);
    width: 65px;
    height: 1px;
    background-color: #333;
}

.v-title b::before {
    left: 0;
}

.v-title b::after {
    left: 100%;
}

/*  Section: History  */
section.history {
    text-align: center;
    padding-bottom: 130px;
}

section.history h2 {
    color: #333;
    font-size: 5.2vw;
    font-weight: 100;
    line-height: 1.7em;
}

section.history .m-inner {
    padding: 0 20px;
}

.timeline_nav_wrap {
    background-color: #fff;
    position: sticky;
    position: -webkit-sticky;
    top: 51px;
    z-index: 99;
}

.timeline_nav {
    width: 100%;
    padding: 5vh 2vh;
    background: #fff;

}

.timeline_nav img {
    width: 100%;
}

.history_banner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 200px;
    border-radius: 10px;
    background-repeat: no-repeat;
    background-size: cover;
}

.history_banner.secondary_start {
    background-image: url("/wp-content/images/introduce/history/secondary_title.png");
}

.history_banner.primary {
    background-image: url("/wp-content/images/introduce/history/primary_title.png");
    margin-top: 40px;
}

.history_banner.growing {
    background-image: url("/wp-content/images/introduce/history/growing_title.png");
    margin-top: 40px;
}

.history_banner.early {
    background-image: url("/wp-content/images/introduce/history/early_title.png");
    margin-top: 40px;
}

.history_banner img {
    width: 100%;
}

.time_banner span {
    display: inline-block;
    padding: 2px 10px;
    line-height: 32px;
    background-color: #222;
    font-size: 16px;
    color: #efefef;
    border-radius: 30px;
    margin: auto;
}

.time_banner h1 {
    color: #fff !important;
    font-weight: 800 !important;
    font-size: 24px;
    width: 100%;
    margin-top: 20px;
}

.time_history {
    padding-top: 35px;
}

.history-item {
    margin-bottom: 35px;
    text-align: left;
    padding-left: 30px;
}

.history-item:last-child {
    margin-bottom: 0;
}

.history-item-year {
    color: #df0015;
    font-size: 22px;
    position: relative;
}

.history-item-year::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -20px;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #333;
}

.history-item-cnt span {
    display: block;
    font-size: 4.2vw;
    margin-bottom: 10px;
}

.history-item-cnt span:last-child {
    margin-bottom: 0;
}

@media only screen and (min-width: 768px) and (max-width: 1399px) {
    .v-title b {
        font-size: 20px;
    }

    section.history h2 {
        font-size: 30px;
        line-height: 1.5em;
    }

    section.history .m-inner {
        padding: 0;
    }
    .timeline_nav {
        width: 55%;
        margin: auto;
    }
    .history_banner,
    .time_history {
        width: 80%;
        margin: auto;
    }
}