.lbox {
    --pagecolor: #3073bb;
}

.lbox .close-btn {
    width: 2.5em;
    height: 2.5em;
    background-color: var(--pagecolor);
    border-radius: 50%;
    z-index: 10;
}

.lbox .close-btn::before,
.lbox .close-btn::after {
    content: '';
    display: block;
    width: 60%;
    height: 2px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    background-color: #fff;
}

.lbox .close-btn::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.lbox-wrp {
    width: min(980px, 90%);
    margin: 2em auto;
    padding: min(2em, 4vw);
    text-align: left;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
}

@media screen and (max-width:767.9px) {
    .lbox-wrp {
        margin: 4em auto !important;
    }
}

.lbox-wrp img {
    width: 100%;
    vertical-align: top;
}

/* title-container */
.title-container {
    width: 10em;
    margin-bottom: 1em;
    padding: .3em;
    font-size: min(1.2em, 4vw);
    font-weight: bold;
    text-align: center;
    color: #fff;
    background-color: var(--pagecolor);
    border-radius: 4px;
    position: relative;
    overflow: clip;
    z-index: 2;
}

/* structure ===================== */
.lbox-wrp .flex-between+.flex-between {
    margin-top: 40px;
}

@media screen and (max-width:767.9px) {
    .lbox-wrp .flex-between+.flex-between {
        margin-top: 10vw;
    }
}

.lbox-wrp .flex-between .text-box h3 {
    margin-bottom: .5em;
    font-size: 1.3em;
    font-weight: bold;
    color: var(--pagecolor);
}


/* structure ===================== */
.lbox-wrp.structure .img-box {
    order: 2;
}

.lbox-wrp.structure .text-box {
    order: 1;
}

.lbox-wrp.structure .img-box.pillar {
    width: 40%;
    margin: 0;
}

@media screen and (max-width:767px) {
    .lbox-wrp.structure .img-box.pillar {
        width: 70% !important;
        margin: -1em auto 1em;
    }
}

.lbox-wrp.structure h3.structure-title {
    margin-bottom: .5em;
    font-size: 1.3em;
    font-weight: bold;
    color: var(--pagecolor);
}