.kv {
    position: relative;
    width: 100%;
    margin-top: 60px;
}

.kv p.text {
    font-size: 2.5vw;
    position: absolute;
    width: 20vw;
    left: 45%;
    top: 48%;
    transform: translateY(-50%);
    color: #fff;
    letter-spacing: 0.35vw;
    line-height: 3.125vw;
    font-weight: 300;
}

.kv .tit {
    position: absolute;
    top: 8.3vw;
    left: 11.25vw;
    width: 12.5vw;
    height: 12.5vw;
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjQyIiBoZWlnaHQ9IjI0MiIgdmlld0JveD0iMCAwIDI0MiAyNDIiIGZpbGw9Im5vbmUiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+CjxwYXRoIGlkPSJWZWN0b3IgMTkiIGQ9Ik0yNDEgODhWMUgxVjI0MS41SDI0MVYxNDciIHN0cm9rZT0id2hpdGUiLz4KPC9zdmc+Cg==) scroll no-repeat 0 0;
    background-size: 100% 100%;
}

.ar {
    width: 100%;
}

.ar .tab {
    width: 100%;
    margin-top: 5.2vw;
    margin-bottom: 8vw;
    display: flex;
    justify-content: center;
    transition: margin 0.4s ease-in-out;
}

.ar .tab a {
    position: relative;
    font-size: 1.875vw;
    color: #4A4A4A;
}

.ar .tab a:last-child {
    margin-left: 10.9vw;
}

.ar .tab a::after {
    content: '';
    position: absolute;
    bottom: -0.4vw;
    width: 100%;
    height: 2px;
    left: 0;
    background-color: #B11D23;
    opacity: 0;
    transition: opacity 0.4s;
}

.ar .tab a:hover::after,
.ar .tab a.active::after {
    opacity: 1;
}

.ar-lists {
    width: 91vw;
    margin: 0 auto;
}

.ar-lists .group {
    display: flex;
    width: 100%;
    padding-top: 3vw;
    border-top: 1px solid #B11D23;
}

.ar-lists .group:first-child {
    border-top: none;
    padding-top: 0px;
}

.ar-lists .group .year {
    width: 30.72vw;
    font-size: 6.7vw;
    line-height: 1;
    margin-left: 0.625vw;
}

.ar-lists .group ul {
    width: 53.8vw;
}

.ar-lists .group li {
    padding: 2.08vw 2.23vw 1.25vw;
    margin-bottom: 3.2vw;
    background: #F7F7F7;
    transition: margin 0.4s ease-in-out;
}

.ar-lists .group li .p1 {
    font-size: 1.3vw;
    color: #4A4A4A;
    font-weight: 400;
    margin-bottom: 3.9vw;
}

.ar-lists .group li .p2 {
    display: flex;
    justify-content: space-between;
}

.ar-lists .group li .date {
    font-size: 16px;
    color: #575757;
    display: flex;
    align-items: end;
    line-height: 1.5;
    letter-spacing: 1px;
}

.ar-lists.notice {
    display: none;
}

.know-more {
    margin: 5vw 0 6vw;
    text-align: center;
}

@media only screen and (max-width: 1024px) and (orientation: portrait),only screen and (max-width: 768px) {
    .kv {
        margin-top: 54px;
    }
    .kv .tit {
        background: none;
        top: 35%;
        left: 0;
        width: 100%;
        height: auto;
    }
    .kv .tit p.text {
        font-size: 8.2vw;
        left: 0;
        width: 100%;
        text-align: center;
        line-height: 1.375;
        letter-spacing: 1.148vw;
    }
    .announcements-and-reports .kv p {
        font-size: 32px;
        letter-spacing: 5px;
        top: 48%;
    }
    .ar .tab {
        margin: 35px 0 50px;
    }
    .ar .tab a {
        font-size: 18px;
    }
    .ar-lists {
        width: 92.56vw;
    }
    .ar-lists .group {
        border: none;
    }
    .ar-lists .group {
        flex-direction: column;
        padding-top: 30px;
    }
    .ar-lists .group ul {
        width: 100%;
    }
    .ar-lists .group .year {
        font-size: 64px;
        margin-bottom: 20px;
    }
    .ar-lists .group li {
        position: relative;
        padding: 15px 16px;
        margin-bottom: 20px;
    }
    .ar-lists .group li .p1 {
        font-size: 14px;
        margin-bottom: 40px;
    }
    .ar-lists .group li .date {
        align-items: center;
        font-size: 12px;
        line-height: 1;
    }
    .ar-lists .group li .gray-btn-link {
        position: absolute;
        right: 20px;
        transform: translateY(-50%);
    }
    .know-more {
        margin: 5vw 0 12vw;
    }
}