@charset "UTF-8";

* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}



img {
    width: 100%;
    height: auto;
    vertical-align: bottom;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    height: 100%;
}

#wrap {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow: hidden;
}


header {
    background: #ffe6fc;


    position: relative;

}

header h1 {
    font-size: 2rem;
    text-align: center;
    padding: 1rem;
}

#js-btn {
    cursor: pointer;
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 100;
    width: 40px;
    height: 40px;
    border: 1px solid #CCC;
    border-radius: 2px;
    background: transparent;
    font-size: 2rem;
    line-height: 1;
    padding: 0;
}

/*位置調整*/
#js-btn span {
    position: relative;
    top: -2px;
    left: 0;
}

.icon-close {
    display: none;
}

#js-btn.open .icon-open {
    display: none;
}

#js-btn.open .icon-close {
    display: inline;
}

.nav-menu {
    height: 100vh;
    width: 300px;
    position: absolute;
    top: 0;
    right: -300px;
    z-index: 50;
    background-color: rgba(0, 0, 0, .5);
    transition: transform .5s;
}

.nav-menu.open {
    transform: translateX(-300px);
}

.nav-menu.open {
    transform: translateX(-300px);
}

.nav-menu ul {
    padding-bottom: 1rem;
    text-align: center;
}

.nav-menu ul li {
    /*display: inline-block;*/
    margin: 0 10px;
    padding: 10px 0;
}

.nav-menu ul li a {
    text-decoration: none;
    font-weight: bold;
    color: #FFF;
}

/* section の前後に追加 */
main {
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    flex-grow: 1;
    display: grid;
    grid-template-columns: 1fr;
}

section {
    background: #FFF;
    padding: 20px;
}

.container {
    /*display: flex;*/
    gap: 20px;
    /*flex-direction: row-reverse;*/
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

/* 
.column-img {
    flex: 1;
}

.column-text {
    flex: 2;
}
*/
footer {
    background: #333;
    color: #FFF;
    text-align: center;
    padding: 1rem;
    width: 100%;
}

/*
.sec01 {
    grid-row-start: 1;
    grid-row-end: 2;
    grid-column-start: 1;
    grid-column-end: 2;
}

.sec02 {
    grid-row-start: 1;
    grid-row-end: 2;
    grid-column-start: 2;
    grid-column-end: 3;
}

.sec03 {
    grid-row-start: 2;
    grid-row-end: 3;
    grid-column-start: 1;
    grid-column-end: 3;
}
*/

/*タブレット用*/
@media all and (min-width: 768px) {

    #js-btn {
        display: none;
    }

    .nav-menu {
        display: block;
        height: auto;
        width: 100%;
        position: static;
        background-color: transparent;
    }

    .nav-menu ul li {
        display: inline-block;
        padding: 0;
    }

    .nav-menu ul li a {
        color: #333;
    }

    .container {
        grid-template-columns: 1fr 1fr;
    }
}

/*コンピュータ用*/
@media all and (min-width: 1024px) {
    header h1 {
        font-size: 5rem;
    }

    main {
        grid-template-columns: 1fr 1fr;
    }

    .sec01 {
        grid-row-start: 1;
        grid-row-end: 2;
        grid-column-start: 1;
        grid-column-end: 2;
    }

    .sec02 {
        grid-row-start: 1;
        grid-row-end: 2;
        grid-column-start: 2;
        grid-column-end: 3;
    }

    .sec03 {
        grid-row-start: 2;
        grid-row-end: 3;
        grid-column-start: 1;
        grid-column-end: 3;
    }

    .container {
        grid-template-columns: 1fr 1fr 1fr;
    }
}