img {
    width: 100%;
}

* {
    scroll-behavior: smooth;
}

/*メンテナンスサービス*/
.g {
    margin: 10px 8px;
    font-weight: 500;
    color: #444444;
}

.h-hdr {
    color: var(--main-color);
    font-size: 18px;
}

.h-hdr::before {
    content: url(squ.svg);
    vertical-align: middle;
}

.g > a {
    display: block;
    text-decoration: none;
    color: #444444;
    border: solid #010F9E 1px;
    border-left: 8px solid var(--main-color);
    padding: 1.5em 0;
    text-align: center;
    font-weight: 600;
    margin: 20px auto ;
    max-width: 230px;
}

.g > a::after {
    content: "▶";
    display:block;
    padding:0 1em;
    float: right;
}

.g > a:hover {
    color: white;
    background-color: var(--main-color);
    transition: all 0.4s;
}

.g > a:hover::after{
    color: white;
}

.in-p {
    max-width: 500px;
}

/*こんな不具合に対応します*/
.maint {
    max-width: 720px;
}

.img-size {
    width: 100%;
    margin: 0 8px;
    max-width: 540px;
}

.case-btn {
    margin: 0 8px;
}

.case-btn > a {
    color: var(--main-color);
    font-weight: 600;
    text-decoration: none;
    width: 100%;
    display: block;
    border-bottom: var(--main-color) 1px solid;
    position: relative;  
    padding: 10px 30px 10px 10px;
    box-sizing: border-box;
}

.case-btn > a::after {
    content: url(nav.svg);
    display: block;
    position: absolute;
    top: 25%;
    right: 0;
}

/*　洗浄装置の改造事例　*/
.hdng4 {
    color: var(--main-color);
    border-bottom:2px solid var(--main-color);
    font-size: 20px;
    width: fit-content;
}

.hdng4 > span {
    font-size: 46px;
}

.case {
    max-width: 1300px;
}

.flex-content {
    margin: 0 8px;
}

.inline-blue > br {
    display: none;
}

.in-p {
    max-width: 495px;
}

.in-p > span {
    display: inline;
    background-color: #010F9E;
    color: white;
    font-size: 25px;
    font-weight: 600;
    line-height: 1.6;    
}

@media (min-width: 600px) {
    .fv > h1 {
        font-size: 50px;
    }

    .a-heading {
        margin:1em auto;
        font-size: 3.5em;

    }

    .g {
        margin: 2em auto;
    }

    .g > a {
        margin: 0;
    }

    .bug {
        max-width: 1300px;
        margin: 0 1em;
    }
    
    .case-btn {
        max-width: 540px;
        margin: 1em auto;
    }

    .case-btn > a {
        margin-bottom: 1.5em;
    }

    .case-btn > .a::after {
        margin-left: 20px;
        padding-left: 20px;
    }
    
    .case {
        margin: 0 2em;
    }

    .flex-wr > img {
        position: absolute;
        right: 0;
        top: 20%;
        width: 45%;
    }

    .hdng4 {
        font-size: 2em;
        font-weight: 800;
    }

    .hdng4 > span {
        font-size: 80px;
    }

    .inline-blue > br {
        display: block;
    }
}

@media (min-width: 800px) {
    .bug {
        display: flex;
        max-width: 1400px;
        align-items: center;
        justify-content: center;
        gap: 20px;
    }
    
    .clum {
        flex-grow: 2;
    
    }

    .clum-chld {
        max-width: 40em;
    }

    .clum-chld > img {
        width: 100%;
    } 

    .a {
        font-size: 18px;
    }

    .case {
        margin:2em auto;
    }

    .case-grid {
        display: grid;
        grid-template-areas: 
        "h img"
        "p  img";
        grid-template-columns: 1fr 1fr ;
        grid-gap: 20px;
        margin: 1em 2em;
    }

    .case-ch{
        grid-area: h;
        max-width: 420px;
    }

    .case-p {
        grid-area: p;
    }

    .sz {
        margin: 1em;
        grid-area: img;
        align-self: end;
        padding-top: 100px;
    }

    .result-grid {
        display: grid;
        grid-template-areas: 
        "img-un p-un"
        "img-un p-un2";
        grid-template-columns: 1fr 1fr ;
        grid-gap: 0px 40px;
        margin: 2em 1em;
    }

    .text-un {
        grid-area: p-un;
    }

    .img-un {
        grid-area: img-un;
        padding-top: 30px;
    }

    .textbox-un {
        grid-area: p-un2;
    }

    .rslt-grid {
        display: grid;
        grid-template-areas: 
        "rslt-img rslt-p"
        "rslt-img p-un2";
        grid-template-columns: 1fr 1fr ;
        grid-gap: 0px 50px;
        margin: 0 8px;
    }

    .rslt-p {
        grid-area: rslt-p;
        margin-top: 24px;
    }

    .rslt-img {
        grid-area: rslt-img;
        padding-top: 25px;
    }
}

@media(min-width:1000px) {
    .a-heading {
        font-size: 4em;
    }

    .h-hdr {
        font-size: 24px;
        max-width: 420px;
        position: relative;
        padding-left: 1em;
    }

    .h-hdr::before {
        display: block;
        position: absolute;
        top: 5px;
        left: 0;
    }

}

@media(min-width:1450px) {
    .bug {
        margin: 2em auto;
    }
}