#airtight-intro {
    margin-bottom: 62px;
}
#airtight-intro h2 {
    margin-bottom: 20px;
    text-align: center;
	font-family: var(--mi);
	font-weight: 400;
    span {
    background:linear-gradient(transparent 60%, #F9F4EF 60%);
	line-height: 1.5;
	font-size: 2rem;
    }
}
#airtight-intro p {
    text-align: left;
    font-feature-settings: "palt";
}
#airtight-grade {
    background-color: #fafafa;
    padding-bottom: 50px;
}
#airtight-desc {
    background-color: #fafafa;
    padding-bottom: 25px;
    margin-bottom: 40px;
}
#airtight-grade h2,
#airtight-desc h2 {
    background-color: var(--c3);
    color: white;
    font-weight: 400;
    font-family: var(--mi);
    text-align: center;
    height: 45px;
    align-content: center;
    margin-bottom: 28px;
}
#airtight-grade h2 {
    transform: translateY(-28px);
    margin-bottom: 0;
}

#airtight-desc .desc-wrapper {
    display: flex;
    flex-direction: column;
    gap: 24px;
    border: 1px solid var(--c3);
    padding: 24px;
    margin-top: 20px;;
    position: relative;
    background-color: white;
}
#airtight-desc .desc-wrapper:after,#airtight-desc .desc-wrapper:before{
    border: solid transparent;
    content:'';
    height:0;
    width:0;
    pointer-events:none;
    position:absolute;
    bottom:100%;
    left:50%;
}
#airtight-desc .desc-wrapper:after{
    border-color: rgba(255, 255, 255, 0);
    border-top-width:10px;
    border-bottom-width:10px;
    border-left-width:10px;
    border-right-width:10px;
    margin-left: -10px;
    border-bottom-color:#FFFFFF;
}
#airtight-desc .desc-wrapper:before{
    border-color: rgba(25, 75, 70, 0);
    border-top-width:11px;
    border-bottom-width:11px;
    border-left-width:11px;
    border-right-width:11px;
    margin-left: -11px;
    margin-bottom: 1px;
    border-bottom-color:#194B46;
}

#airtight-desc .desc h3 {
    font-family: var(--mi);
    font-size: 1.7rem;
    font-weight: 400;
    line-height: 1;
    padding: 0 5px 10px;
    border-bottom:  1px solid var(--c3);
    margin-bottom: 16px;
    span {
        font-family: var(--en);
        font-size: 2.3rem;
        font-weight: 700;
        color: var(--c3);
        padding-right: 15px;

    }
}
#airtight-merit  {
    margin-bottom: 50px;
}
#airtight-merit h2,
#airtight-outro h2 {
    font-family: var(--mi);
    font-weight: 600;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 15px;
}
#airtight-merit .merit-wrapper {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}
#airtight-merit .merit {
    padding: 25px;
    background-color: #faf3ef;
}
#airtight-merit .merit h3 {
    text-align: center;
    font-family: var(--mi);
    font-weight: 600;
    font-size: 1.7rem;
    margin-bottom: 8px;
}
#airtight-merit .merit img {
    margin-bottom: 10px;
}
#airtight-merit .merit p.attention {
    color: #616161;
    font-size: 1.3rem;
}

#airtight-outro p{
    margin-bottom: 15px;

}

@media screen and (min-width: 960px) {
    #airtight-intro {
        margin-bottom: 100px;
    }
    #airtight-intro h2 {
        margin-bottom: 40px;
        span {
        font-size: clamp(3.8rem, 3.14vw, 4.4rem);
        }
    }
    #airtight-intro p {
        text-align: center;
    }
    #airtight-grade {
        background-color: #fafafa;
        padding-top: 100px;
        padding-bottom: 90px;
    }
    #airtight-grade .contents-wrapper {
        max-width: 550px;
        width: 55%;
    }
    #airtight-grade h2,
    #airtight-desc h2 {
        font-size: clamp(2.4rem, 2.7vw, 3.8rem);
        line-height: 1.5;
        height: auto;
        padding: 8px 0;
        margin-bottom: 36px;
}
    #airtight-grade h2 {
        transform: none;
    }
    #airtight-grade p {
        line-height: 2;
    }   
    #airtight-grade  .wrapper{
        max-width: 1180px;
        display: flex;
        gap: clamp(32px, 3.57vw, 50px);
    }
    #airtight-grade img {
        width: 45%;
        aspect-ratio: 500 / 460;
        object-fit: contain;
    }
    #airtight-desc {
        padding-bottom: 100px;
        margin-bottom: 100px;
    }
    #airtight-desc .wrapper{
        max-width: 1180px;
    }
    #airtight-desc img {
        display: block;
        margin: 0 auto;
        max-width: 690px;
        margin-bottom: 40px;
    }
    #airtight-desc .desc-wrapper {
        flex-direction: row;
        gap: 42px;
        padding: 42px 50px;
    }
    #airtight-desc .desc h3 {
        font-size: 2.8rem;
        padding: 0 0px 20px;
        margin-bottom: 24px;
        span {
            font-size: 4.4rem;
            font-weight: 400;
            padding-right: 15px;
        }
    }
    #airtight-merit  {
        margin-bottom: 130px;
    }
    #airtight-merit h2,
    #airtight-outro h2 {
        font-size: 3.8rem;
        margin-bottom: 40px;
    }
    #airtight-merit p {
        text-align: center;
        margin-bottom: 70px;
    }
    #airtight-merit .merit-wrapper {
        flex-direction: row;
        gap: 15px;
    }
    #airtight-merit .merit {
        width: 33%;
    }
    #airtight-merit .merit h3 {
        font-size: clamp(2rem, 2vw, 2.8rem);
        margin-bottom: 16px;
    }
    #airtight-merit .merit img {
        margin-bottom: 10px;
    }
    #airtight-merit .merit > p {
        text-align: left;
        margin-bottom: 10px;
    }
    #airtight-merit .merit p.attention {
        margin-bottom: 0;
        font-size: 1.4rem;
    }
    #airtight-outro p {
        max-width: 760px;
        margin: 0 auto;
        margin-bottom: 50px;
    }
    #airtight-outro img{
        display: block;
        max-width: 540px;
        margin: 0 auto;
    }

}