/*
    background-image: url("/img/logo_bg.png");
    background-color: transparent;
    background-size: 90%;
    background-position-x: center;
    background-repeat: no-repeat;











*/
body {
    height: 100vh;
    background-image: url('/img/index_bg.png');
    background-color: transparent;
    background-size: cover;
    background-position-x: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

header {
}
header .logo {
    position: absolute;
    top: 1rem;
    left: 2rem;
    display: block;
    width: 10rem;
    height: 1.5rem;
    font-size: 0;
    background-image: url("/img/logo.png");
    background-color: transparent;
    background-size: 100%;
    background-position-x: center;
    background-repeat: no-repeat;
}
header nav {
    position: absolute;
    top: 1rem;
    right: 1rem;
}


section.key-visual {
    margin: 15em 5em;
    margin-bottom: 50em;
}
section.key-visual img {
    max-width: 100%;
}
section.key-visual .slogan {

}


section.introduce {
    margin: 1em auto;
    margin-bottom: 5em;
    padding: 0 1em;
    text-align: center;
}
section.introduce .slogan {
    padding: 0;
    font-size: 2em;
}
h1 {
    margin: 0;
    padding: 0;
    color: #896CF3;
    font-size: 2em;
}
section.introduce .slogan a {
    color: #896CF3;
    font-size: 1.5rem;
    border-color: #896CF3;
    border-width: 2px;
    padding: .3em 1em;
    background: #fff;
}



section.philosophy {
    margin: 5em auto;
    text-align: center;
}

.philosophy-cards {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
    padding: 1rem;
}

.philosophy-cards .card {
    padding: 3em 2em;
    background: #fff;
    border-radius: 1rem;
}
.philosophy-cards .card h3 {
    font-size: 2em;
}

@media(max-width: 768px) {
    section.key-visual {
        margin: 15em 2em;
        margin-bottom: 50em;
    }
}

@media(min-width: 768px) {
    .philosophy-cards {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

section.apps-preview {
    margin: 3em auto;
    text-align: center;
}