/*-------------------------------------------------------
 lead
-------------------------------------------------------*/
#main .lead-contents .lead-txt {
    text-align: center;
    font-size: min(1.1em, 4.2vw);
    font-weight: 500;
    letter-spacing: .05em;
    line-height: 2;
}

#main .lead-contents .lead-img {
    width: min(720px, 100%);
    margin: 3em auto 0;
}

/* aging-wrp ------------------------------*/
#main .aging-wrp {
    background-color: var(--beige);
    position: relative;
}


/* wall-aging ------------------------------*/
#main .wall-aging {
    justify-content: center;
    gap: 2em 6%;
}

#main .wall-aging .box {
    width: 200px;
}

@media (max-width: 767px) {
    #main .wall-aging .box {
        width: min(200px, 46%);
    }

    #main .wall-aging .box:nth-child(2) {
        margin: 0 auto;
        order: 3;
    }
}

#main .wall-aging p {
    text-align: center;
}

#main .wall-aging p b {
    display: block;
    font-size: 1.2em;
    color: var(--brown);
}

/* coating-aging ------------------------------*/
#main .coating-aging {
    padding: 2em min(5em, 4vw);
    background-color: #fff;
    position: relative;
    border-radius: 1em;
}

@media (max-width: 767px) {
    #main .coating-aging {
        width: min(520px, 100%);
        margin: 3em auto 0;
    }
}

#main .coating-aging::before {
    content: '';
    width: 2.5em;
    height: 2em;
    position: absolute;
    left: 50%;
    bottom: 100%;
    background-color: #fff;
    clip-path: polygon(0 100%, 50% 0, 100% 100%);
    transform: translate(-50%);
}

#main .coating-aging .coating-aging-title {
    font-size: min(1.4em, 4.2vw);
    font-weight: 500;
    color: var(--brown);
}

#main .coating-aging p {
    font-size: .85em;
}

@media (max-width: 767px) {
    #main .coating-aging p {
        font-size: min(.95em, 3vw);
    }
}

#main .coating-aging .box-title {
    text-align: center;
}

#main .coating-aging .thumb {
    padding: 0 1em;
}

/* maintenance-recommendations ------------------------------*/
#main .maintenance-recommendations {
    margin-top: 6em;
}

#main .maintenance-recommendations .maintenance-recommendations-title {
    padding-bottom: .6em;
    border-bottom: solid 1px;
    text-align: center;
    font-size: min(1.8em, 5.4vw);
    font-weight: 500;
}

#main .maintenance-recommendations .flex {
    gap: 3em 0;
}

#main .maintenance-recommendations .box {
    width: 47%;
}

@media screen and (max-width:767px) {
    #main .maintenance-recommendations .box {
        width: 47%;
    }
}

@media screen and (max-width:600px) {
    #main .maintenance-recommendations .box {
        width: min(400px, 100%);
        margin: 0 auto;
    }
}

#main .maintenance-recommendations .box-title {
    min-height: 2lh;
    font-size: min(1.2em, 4.2vw);
    text-align: center;
}

@media screen and (max-width:767px) {
    #main .maintenance-recommendations .box-title {
        min-height: unset;
    }
}

#main .maintenance-recommendations .circle-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5em;
    height: 1.5em;
    border-radius: 100%;
    background-color: var(--brown);
    color: #fff;
    margin-right: .5em;
}

/*-------------------------------------------------------
 construction
-------------------------------------------------------*/
#main .construction-contents .process-wrp .process-title {
    width: 8em;
    margin: 0 auto 3em;
    padding: .4em;
    letter-spacing: .1em;
    color: #fff;
    background-color: var(--brown2);
    text-align: center;
}

#main .construction-contents .process-wrp .process-step {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3em 3em;
}

@media (max-width: 767px) {
    #main .construction-contents .process-wrp .process-step {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    #main .construction-contents .process-wrp .process-step {
        grid-template-columns: repeat(2, 1fr);
    }
}

#main .construction-contents .process-wrp .process-step .thumb {
    display: block;
    border-radius: 1em;
    position: relative;
    border-radius: .5em;
    aspect-ratio: 1;
    overflow: hidden;
}

#main .construction-contents .process-wrp .process-step .thumb::before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, .05);
    z-index: 2;
}

#main .construction-contents .process-wrp .process-step .step-title {
    padding-left: 2em;
    margin: 1em 0;
    font-size: min(0.95em, 4vw);
    position: relative;
}

#main .construction-contents .process-wrp .process-step .step-title .num {
    content: counter(construction);
    width: 1.8em;
    height: 1.8em;
    text-align: center;
    line-height: 1.9;
    position: absolute;
    left: 0;
    top: 50%;
    font-size: .9em;
    font-weight: 700;
    color: #fff;
    background-color: var(--brown2);
    border-radius: 100%;
    transform: translate(0, -50%);
}

#main .construction-contents .process-wrp .process-step p {
    font-size: min(.85em, 3.8vw);
    line-height: 1.6;
}

#main .construction-contents .btn-wrp {
    margin-top: 4em;
}

#main .construction-contents .btn-wrp .link-btn {
    font-size: min(1.1em, 4.2vw);
}