body {
    padding: 0;
    margin: 0;
    /* font: 14px "Lucida Grande", Helvetica, Arial, sans-serif; */
    font-family: 'Segoe UI', sans-serif;
    width: 100%;
    height: 100%;
    position: relative;
  }
  
a {
    color: inherit;
    text-decoration: none;
}

.bolder {
  font-weight: 600;
}

.container {
    padding-top: 11vh;
}

.container > .sub_title{
    width: 100%;
    background-image: url("/images/background/sub_back.png");
    background-size: cover;
    background-position: center;
    height: 15vh;
    display: grid;
    align-items: center;
    justify-content: center;
    color: #333;
}

/* .sub_title > h1 {
    font-size: 3rem;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
    text-align: center;
} */

.container > .main_contents{
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    min-height: 60vh;
    padding: 5rem 0 5rem 0; 
}

.overview_board {
    display: grid;
    grid-template-columns: 30% auto;
    margin-bottom: 5rem;
}

.title_name {
    font-size: 3rem;
    font-weight: 600;
    width: 60%;
    border-bottom: 2px solid #666;
}

.group_title {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    justify-content: center;
    text-align: center;
    margin-bottom: 3rem;
}

.group_title_sub {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
}

.nomal_word {
    font-size: 1rem;
    font-weight: 500;
    color: #666;
}

.big_word {
    font-size: 3rem;
    font-weight: 600;
    color: #333;
}

.group_center {
    border-radius: 2rem;
    box-shadow: 2px 2px 50px rgba(141, 29, 29, 0.2),
    -2px -2px 50px rgba(206, 148, 41, 0.2);
}

.group_head {
    padding: 1rem;
}

.head_title {
    color: #dd2222;
    font-size: 2rem;
    font-weight: 600;
}

.head_office {
    color: #FFF;
    background-color: #dd2222;
    margin: 0 3rem 0 3rem;
    padding: 0.5rem 0 0.5rem 0;
    border-radius: 3rem;
    font-weight: 400;
}

.group_des {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
}

.sector {
    padding: 1rem;
    border-radius: 3rem;
    box-shadow: 2px 2px 10px rgba(243, 48, 227, 0.3),
    -2px -2px 10px rgba(243, 159, 48, 0.3);
    text-align: center;
}

.employees {
    display: flex;
    gap: 0.5rem;
    align-items: end;
    justify-content: center;
}

.number {
    font-size: 1.5rem;
    font-weight: 600;
}

.nomal {
    color: #666;
}

.job {
    position: relative;
    border: 1px solid #CCC;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    text-align: center;
    padding: 1rem;
    border-radius: 3rem;
    margin-bottom: 0.5rem;
}

.tooltip {
    visibility: hidden;
    opacity: 0;
    white-space: nowrap;
    background-color: #333;
    color: #FFF;
    text-align: center;
    border-radius: 4px;
    padding: 6px 8px;
    z-index: 10;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    transition: opacity 0.2s;
    font-size: 12px;
}

.job:hover .tooltip {
    visibility: visible;
    opacity: 1;
}

.mobile_ver {
    display: none;
}

@media(max-width: 768px){
    .overview_board{
        grid-template-columns: none;
    }
    .container > .main_contents{
        width: auto;
        padding: 1rem 1rem 1rem 1rem;
    }
    .con_title {
        margin-bottom: 2rem;
    }
    .group_des{gap : 0}

    .pc_ver {
        display: none;
    }

    .mobile_ver {
        display: block;
    }

    .mobile_group_title{
        display: grid;
        grid-template-columns: 1fr 1fr;
        padding: 1rem 0;
        /* justify-content: space-between; */
        align-items: center;
    }

    .mobile_group_ceo {
        display: grid;
        justify-self: left;
        justify-content: center;
        align-items: center;
        border-radius: 1rem;
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
        padding: 1rem 3rem;
        font-size: 4vw;
    }

    .mobile_ceo{
        text-align: center;
        color: #dd2222;
    }

    .mobile_company {
        text-align: center;
        background-color: #dd2222;
        color: #FFF;
        padding: 0.5rem;
        border-radius: 0.5rem;
    }

    .mobile_employees {
        display: grid;
        justify-self: center;
        justify-content: center;
        align-items: center;
    }

    .mobile_employees_title{
        font-size: 1.5rem;
        text-align: center;
        font-weight: 600;
        color: #666;
    }

    .mobile_employees_num {
        text-align: center;
        font-size: 1.5rem;
        margin-top: 2vh;
        font-weight: 900;
    }

    .mobile_group_map {
        display: grid;
        gap: 2.5vh;
    }

    .mobile_main_com {
        /* padding: 1rem 1rem; */
        /* border: 1px solid #666; */
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
        border-radius: 1rem;
    }

    .arrow {
        display: block;
        transform: rotate(90deg);
    }

    .arrow span {
        visibility: hidden;
    }

    .mobile_main_title {
        display: flex;
        justify-content: space-between;
        padding: 2rem 1rem;
    }

    .mobile_com_title{
        font-size: 1rem;
        background-color: #BBB;
        /* box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
        border: 1px solid #AAA; */
        border-radius: 1rem;
        color: #FFF;
        padding: 0.3rem 1rem;
    }

    .mobile_com_num {
        display: flex;
        justify-content: right;
        align-items: center;
        gap: 0.5rem;
        font-size: 1.5rem;
        font-weight: 600;
        color: #666;
    }

    .mobile_sub_com {
        max-height: 0;
        overflow: hidden;
        display: grid;
        gap: 0.5rem;
        transition: all 0.5s;
    }

    .mobile_sub_com.on {
        padding: 1rem;
    }

    .mobile_chapter{
        border: 1px solid #666;
        border-radius: 1rem;
        padding: 0.5rem;
        text-align: center;
    }
}