/* ------------------------------------------------------------------------------------------
     #challenge
------------------------------------------------------------------------------------------ */

:root {
    --bg-gradation: linear-gradient(to right, #0078C8, #004499);
    --blue: #0078C8;
    --blue2: #ECF5FC;
    --black: #222;
    --white: #fff;
    --button: #E19716;   
}


.challenge {
    padding-bottom: 208px;
    text-align: center;
}

.challenge img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.challenge p {
    line-height: 1.5;
}

.challenge .left {
    text-align: left;
}

.challenge .content-p {
    font-size: 1.5rem;
    padding-bottom: 88px;
    margin: 0 auto;
    width: 1180px;
}

.challenge-h2 {
    color: var(--blue);
}

.challenge .heading {
    font-size: 3rem;
    padding: 144px 0 56px 0;
    margin: 0 auto;
    font-weight: bold;
    width: 90%;
}

.challenge .p-inner {
    padding-bottom: 32px;
}

.challenge .h3-title {
    width: 1180px;
    position: relative;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto;
    background: var(--blue);
    color: var(--white);
    margin-bottom: 64px;
    padding: 24px 0;
    z-index: 0;
    border-radius: 16px;
}

.challenge .h3-title::before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-top: 60px solid var(--blue);
    position: absolute;
    margin: 0 auto;
    left: 0;
    right: 0;
    top: 48px;
    z-index: -1;
}

.challenge-ul {
    max-width: 1180px;
    display: flex;
    justify-content: center;
    margin: 0 auto;
    column-gap: 32px;
}
.challenge-li {
    width: 30%;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
    border-top: 8px solid var(--blue);
}

.challenge-h3 {
    margin-top: 24px;
    font-size: 24px;
    font-weight: bold;
}

.challenge-h3 img {
    margin-right: 8px;
}

.challenge .li-img {
    margin-bottom: 8px;
}

.challenge-li-ul {
    background: var(--blue2);
    padding: 16px 32px 24px 32px;
    height: 270px;
}

.challenge-li-li {
    display: flex;
    margin-bottom: 16px;
}


.challenge-li-li p {
    font-size: 1.0rem;
}

.challenge-li-li img {
    height: 24px;
    max-width: 24px;
    margin-right: 10px;
}

@media only screen and (max-width:1180px) {
    .challenge .h3-title {
        width: 90%;
    }

    .challenge-ul {
        max-width: 100%;
        display: block;
    }

    .challenge-li {
        width: 90%;
        margin: 0 auto;
        margin-bottom: 48px;
    }

    .challenge-li-ul {
        height: 183px;
    }

    .challenge .content-p {
        font-size: 1.5rem;
        padding-bottom: 88px;
        margin: 0 auto;
        width: 100%;
    }
}

@media only screen and (max-width:767px) {
    .challenge .h3-title {
        width: 90%;
    }

    .challenge-ul {
        max-width: 100%;
        display: block;
    }

    .challenge-li {
        width: 90%;
        margin: 0 auto;
        margin-bottom: 56px;
        
    }

    .challenge-li-ul {
    padding: 16px 24px 24px;
    height: 200px;
    }

    .challenge-li-li p {
        font-size: 0.6rem;
    }

    .challenge .heading {
        font-size: 1.5rem;
        padding: 48px 0 24px 0;
        margin: 0 auto;
        font-weight: bold;
        width: 90%;
    }

    .challenge .p-inner {
        padding-bottom: 32px;
    }

    .challenge .content-p {
        font-size: 14px;
        margin: 0 auto;
        padding: 20px;
        width: 100%;
        text-align: left;
    }
}