#performance #sub-mv {
    padding-bottom: 65px;
}
#performance .content-nav {
    display: flex;
    justify-content: center;
}
#performance .content-nav a {
    width: 293px;
    margin: 0 10px;
    text-align: center;
    position: relative;
    background-color: #F1F0F0;
    padding: 22px 0;
    font-size: 31px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
}
#performance .content-nav a .bubble {
    position: absolute;
    font-size: 24px;
    font-weight: 500;
    left: 50%;
    top: -18px;
    transform: translateX(-50%);
    -webkit-text-stroke: 6px #F1F0F0;
    paint-order: stroke;
}
#performance .content-nav a:hover {
    color: #fff;
    background-color: #469461;
}
#performance .content-nav a:hover .bubble {
    -webkit-text-stroke: 6px #469461;
    font-weight: bold;
}
@media screen and (max-width: 768px) {
    #performance .content-nav {
        flex-direction: column;
        align-items: center;
    }
    #performance .content-nav a {
        width: 80%;
        margin: 0 auto 30px;
        padding: 17px 0 10px 0;
        font-size: 24px;
        border-radius: 23px;
    }
}

#endure {
    position: relative;
}
#endure .point1 {
    background-color: #FEF2E2;
    padding: 95px 0 100px 0;
}
#endure .point2 {
    padding: 95px 0 100px 0;
}
#endure h2,
#heat_resistant h2,
#air h2 {
    position: absolute;
    text-align: center;
    font-size: 40px;
    left: 50%;
    top: -25px;
    transform: translateX(-50%);
}
#endure h3,
#heat_resistant h3,
#air h3 {
    text-align: center;
    line-height: 1.5;
    font-size: 40px;
    margin-bottom: 45px;
    letter-spacing: 4px;
}
#heat_resistant h3 span {
    font-size: 26px;   
}
#endure .block,
#heat_resistant .block,
#air .block {
    width: 72%;
    max-width: 920px;
    margin: auto;
}
#endure .block .item,
#heat_resistant .block .item,
#air .block .item {
    display: flex;
    margin-bottom: 40px;
}
#endure .block .item h4,
#heat_resistant .block .item h4,
#air .block .item h4 {
    font-size: 20px;
    font-weight: bold;
    line-height: 1.5;
    background-color: #fff;
    writing-mode: vertical-rl;
    text-orientation: mixed; 
    font-feature-settings: "pkna"; 
    text-align: center;
    letter-spacing: 10px;
    padding: 0 25px;
    border-radius: 10px;
}
#endure .point2 .block .item h4,
#air .block .item h4 {
    background-color: #FEF2E2;
}
#endure .block .item .txt,
#heat_resistant .block .item .txt,
#air .block .item .txt {
    width: 32%;
    font-weight: bold;
    margin: 0 35px;
}
#air .block .item .txt.short {
    width: 26%;
    margin: 0 13px 0 35px;
    font-weight: bold;
}
#endure .block .item .txt .main,
#heat_resistant .block .item .txt .main,
#air .block .item .txt .main {
    font-size: 20px;
    line-height: 1.5;
    letter-spacing: 1.6px;
    margin-bottom: 25px;
}
#endure .block .item .txt .sub,
#heat_resistant .block .item .txt .sub,
#air .block .item .txt .sub {
    font-size: 14px;
    line-height: 1.5;
}
#endure .block .item .image1,
#heat_resistant .block .item .image1,
#air .block .item .image1 {
    width: 49%;
    padding: 28px 11px 15px 11px;
    background-color: #fff;
    border-radius: 30px;
}
#heat_resistant .block .item .image1 {
    padding: 0;
}
#endure .point2 .block .image1 {
    padding: 0;
}
#endure .block .item .image1 img {
    width: 100%;
}
#endure .block .item .image2 {
    width: 49%;
    display: flex;
    justify-content: space-between;
}
#air .block .item .image3 {
    width: 142px;
}
#air .block .item .image3 img {
    border-radius: 30px;
}
#endure .block .item .image2 img {
    padding: 0 17px 0 24px;
    background-color: #f7f6f7;
    border-radius: 30px;
    width: 48%;
}
#heat_resistant {
    position: relative;
    background-color: #FEF2E2;
    padding: 95px 0 100px 0;
}
#heat_resistant .block .item .vertical {
    width: 27%;
    margin-left: 35px;
}
#heat_resistant .block .item .vertical img {
    width: 100%;
    border-radius: 30px;
    margin-bottom: 20px;
}
#heat_resistant .block .item .vertical p {
    font-weight: bold;
    font-size: 20px;
    text-align: center;
    margin-bottom: 20px;
}
#heat_resistant .block .item .vertical p span {
    font-size: 12px;
    margin-left: 5px;
}
#heat_resistant .block .item .vertical .list-sp {
    display: none;
}
#heat_resistant .block .item .vertical ul {
    font-weight: bold;
    font-size: 17px;
    line-height: 1.2;
}
#air {
    position: relative;
    padding: 95px 0 30px 0;
}
#air .txt a {
    display: block;
    text-align: right;
    font-size: 14px;
    font-weight: bold;
}
#air .txt a:hover {
    opacity: 0.8;
}


@media screen and (max-width: 768px) {
    #endure h2,
    #heat_resistant h2,
    #air h2 {
        width: 100%;
        text-align: center;
        font-size: 35px;
        top: -23.5px;
    }
    #endure .point1 {
        padding: 57.5px 0 50px 0;
    }
    #endure .point2 {
        padding: 45px 0 70px 0;
    }
    #endure h3,
    #heat_resistant h3,
    #air h3 {
        font-size: 23px;
        letter-spacing: 2px;
    }
    #heat_resistant h3 span {
        font-size: 18px;   
    }
    #endure .block,
    #heat_resistant .block,
    #air .block {
        width: calc(100% - 40px);
    }
    #endure .block .item,
    #heat_resistant .block .item,
    #air .block .item {
        flex-direction: column;
        margin-bottom: 25px;
    }
    #endure .block .item h4,
    #heat_resistant .block .item h4,
    #air .block .item h4 {
        font-size: 22px;
        width: 100%;
        writing-mode: horizontal-tb;
        letter-spacing: 3.5px;
        padding: 14px 0;
        border-radius: 10px;
        margin-bottom: 36px;
    }
    #endure .block .item .txt,
    #heat_resistant .block .item .txt,
    #air .block .item .txt {
        width: 100%;
        margin: 0 0 45px 0;
    }
    #endure .block .item .txt .main,
    #heat_resistant .block .item .txt .main,
    #air .block .item .txt .main {
        font-size: 18px;
        line-height: 2;
        margin-bottom: 45px;
        text-align: center;
    }
    #endure .block .item .txt .sub,
    #heat_resistant .block .item .txt .sub,
    #air .block .item .txt .sub {
        font-size: 15px;
    }
    #endure .block .item .image1,
    #heat_resistant .block .item .image1,
    #air .block .item .image1 {
        width: 100%;
    }
    #endure .block .item .image2 {
        width: 100%;
        display: flex;
        justify-content: space-between;
        padding: 28px 23.5px 28px 23.5px;
        background-color: #fff;
        border-radius: 30px;
    }
    #endure .block .item .image2 img {
        padding: 0 17px 0 24px;
        border-radius: 0;
    }
    #air .block .item .image3 {
        width: 100%;
        margin-bottom: 40px;
    }
    #air .block .item .image3 img {
        width: 100%;
        border-radius: 20px;
    }

    #heat_resistant {
        padding: 57.5px 0 47.5px 0;
    }
    #heat_resistant .block .item .vertical {
        width: 100%;
        margin-left: 0;
        margin-bottom: 45px;
    }
    #heat_resistant .block .item .vertical img {
        margin-bottom: 15px;
    }
    #heat_resistant .block .item .vertical p span {
        font-size: 16px;
    }
    #heat_resistant .block .item .vertical .list-sp {
        display: flex;
        align-items: center;
    }
    #heat_resistant .block .item .vertical .list-sp p {
        font-size: 23px;
        margin-right: 30px;
    }
    #heat_resistant .block .item .vertical ul {
        font-size: 18px;
        line-height: 1.5;
    }
    #air .block .item .txt.short {
        width: 100%;
        margin: 0;
        font-weight: bold;
        margin-bottom: 55px;
    }
    #air .block .item .txt.short:last-child {
        margin-bottom: 0;
    }
    #air {
        position: relative;
        padding: 55px 0 0 0;
    }
}