* {
    margin: 0;
    padding: 0;
    font-family: "Noto Sans JP", sans-serif;
}

/* navbar */
.navbar {
    background: linear-gradient(45deg, #FFF 95%, #5a8fc5);
    width: 100%;
    padding: 10px 20px;
    box-shadow: 0 3px 3px #c4c4c4;
}

.navbar-brand {
    width: 60%;
}

.nav-nav {
    width: 40%;
}

@media (min-width:768px) {
    .navbar {
        padding: 10px 30px;
    }

    .navbar-brand {
        width: 35%;
    }

    .nav-nav {
        width: 65%;
    }

    .nav-item {
        margin: 0 20px;
    }

}

@media (min-width:1080px) {

    .navbar-brand {
        width: 20%;
    }

    .nav-nav {
        width: 80%;
    }

    .nav-item {
        margin: 0 50px;
    }
}

/* header */
header {
    height: 300px;
    position: relative;
    background: linear-gradient(90deg, #FFF 8%, #5a8fc5);
}

.background {
    position: absolute;
    right: 30px;
    bottom: 130px;
}

.background p {
    font-size: clamp(2.5rem, 2.054rem + 2.23vw, 3.125rem);
    /* w:320.40 W:767. 50*/
    font-weight: bold;
    color: #ffffffce;
    text-align: right;
}

.title {
    position: absolute;
    left: 30px;
    bottom: 30px;
    border-left: 5px solid #d81414;
    padding-left: 18px;
}

.title h1 {
    font-size: clamp(1.5rem, 1.008rem + 2.46vw, 2.188rem);
    /* w:320.24 W:767.35*/
    font-weight: bold;
}

@media (min-width:768px) {
    header {
        background: linear-gradient(90deg, #FFF 20%, #5a8fc5);
    }

    .background {
        right: 40px;
        bottom: 120px;
    }

    .background p {
        font-size: clamp(3.75rem, -0.109rem + 8.04vw, 5.313rem);
        /* w:768.60 W:1079. 85*/
    }

    .background p br {
        display: none;
    }

    .title {
        left: 60px;
        bottom: 50px;
        padding-left: 30px;
    }

    .title h1 {
        font-size: 35px;
    }

    .title h1 br {
        display: none;
    }
}

@media (min-width:1080px) {
    header {
        height: 300px;
        background: linear-gradient(90deg, #FFF 30%, #5a8fc5);
    }

    .background {
        right: 70px;
        bottom: 80px;
    }

    .background p {
        font-size: clamp(4.375rem, -0.427rem + 7.11vw, 8.75rem);
        /* w:1080.70 W:2064. 140*/
    }

    .title {
        left: 100px;
        bottom: 50px;
        padding-left: 40px;
    }

    .title h1 {
        font-size: clamp(2.188rem, 0.473rem + 2.54vw, 3.75rem);
        /* w:1080.35 W:2064. 60*/
    }
}

/* section2 ソリューション*/
.section2 {
    padding: 50px 20px;
    background-image: url(../image/info_b46d01.png);
    background-size: cover;
    background-attachment: fixed;
    text-align: center;
}

.section2 h3 {
    display: inline-block;
    position: relative;
    padding: 10px;
    margin-bottom: 50px;
    font-size: clamp(1.875rem, 1.607rem + 1.34vw, 2.25rem);
    /* w:320.30 W:767. 36*/
    font-weight: bold;
    border-bottom: 3px solid #d81414;
    letter-spacing: 5px;
}

.section2 .row {
    margin-bottom: 50px;
    border-bottom: 5px solid #5a8fc5;
}

.section2 .col-lg-5 {
    background: #5a8fc5;
}

.section2 .text-start {
    margin: 30px auto;
}

.section2 h5 {
    color: #00225D;
    font-size: clamp(1.688rem, 1.464rem + 1.12vw, 2rem);
    /* w:320.27 W:767. 32*/
    border-left: 3px solid #00225D;
    padding-left: 20px;
    margin-bottom: 30px;
}

.section2 p {
    color: #FFF;
    font-size: clamp(0.875rem, 0.786rem + 0.45vw, 1rem);
    /* w:320.14 W:767. 16*/
}

.sub-btn {
    text-decoration: none;
    color: #FFF;
    padding: 15px 30px;
    background: #93bb34;
    line-height: 100px;
    transition: all 1s;
}

.sub-btn:hover {
    background: #e3fea3;
    color: #000;
}

@media (min-width:768px) {

    .section2 {
        padding: 100px 80px;
    }

    .section2 h3 {
        padding: 10px;
        margin-bottom: 80px;
        font-size: 50px;
        border-bottom: 5px solid #d81414;
    }

    .section2 .text-start {
        margin: 30px auto;
    }

    .section2 h5 {
        font-size: 30px;
    }

    .section2 h5 br {
        display: none;
    }

}

/* footer */
footer {
    background: #00225D;
    color: #FFF;
    padding: 30px 10px 10px;
}

.company {
    font-size: 12px;
    background-image: url(../image/logo06.png);
    background-repeat: no-repeat;
    background-position: left;
    background-size: 100px auto;
    padding-left: 110px;
}

.copyright {
    font-size: 11px;
    text-align: center;
}

@media (min-width:768px) {

    footer {
        padding: 30px 100px 10px;
    }

    .company {
        background-image: url(../image/logo01.png);
        background-size: 200px auto;
        padding-left: 220px;
    }

}

@media (min-width:1080px) {

    .company {
        font-size: clamp(0.688rem, 0.07rem + 0.91vw, 1.25rem);
        /* w:1080.11 W:2064. 20*/
        background-size: clamp(12.5rem, -1.22rem + 20.33vw, 25rem) auto;
        /* w:1080.200 W:2064. 400*/
        padding-left: clamp(13.75rem, 1.402rem + 18.29vw, 25rem);
        /* w:1080.220 W:2064. 400*/
    }

    .copyright {
        font-size: clamp(0.625rem, 0.076rem + 0.81vw, 1.125rem);
        /* w:1080.10 W:2064. 18*/
        text-align: center;
    }
}