body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans", Meiryo, sans-serif;
    margin: 0;
    background-color: #f9f9f9;
    color: #333;
    line-height: 30px;
}

header {
    width: 100%;
    position: fixed;
    background-color: #A8D5BA;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    z-index: 10000;
}

header h1 {
    margin: 0;
    font-size: 1.8em;
    color: #fff;
}

nav a, a {
        margin: 0 10px;
        color: #fff;
        text-decoration: none;
        font-weight: bold;
    }

@media (max-width: 768px) {
    nav a, a {
        margin: 0 15px;
        color: #fff;
        text-decoration: none;
        font-weight: bold;
    }
}

.hero {
    background-image: url('/image/hero-image.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    text-align: center;
    padding: 200px;
}

.hero h2 {
    color: white;
    font-size: 1.4em;
    margin-top: 55px;
    margin-bottom: 20px;
    font-weight: bold;
    text-decoration:underline;
    text-decoration-color: #A8D5BA;
    display: inline-block;
}

.hero .btn {
    background-color: #F6D7D2;
    color: #333;
    padding: 10px 20px;
    text-decoration: none;
    margin: 5px;
    display: inline-block;
    border-radius: 8px;
    font-weight: bold;
}

.section {
    padding: 50px 20px;
    max-width: 1000px;
    margin: auto;
}

.section h3 {
    text-align: center;
    margin-bottom: 30px;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 20px;
    flex: 1 1 250px;
    text-align: center;
}

.card img {
    width: 250px;
    margin-bottom: 15px;
    margin: auto;
    margin-bottom: 30px;
}

footer {
    background-color: #A8D5BA;
    color: white;
    padding: 30px 20px;
    text-align: center;
}

@media (max-width: 768px) {
    header, nav {
        display: flex;
        flex-direction: column;
        text-align: center;
    }
    .hero {
        padding: 45px 20px;
    }
}

.line {
    color: #00c300;
    background-color: white;
    border-radius: 10px;
    margin-right: 2px;
}

.staff {
    width: 70px;
}

.link {
    color: black;
    font-weight: normal;
    margin: 0;
    text-decoration-line: underline;
    cursor: pointer;
}

.info {
	list-style-type: none;
}

ul {
    height: 100px;
    text-align: left;
    margin-left: auto;
    margin-right: auto;
}

.iframe {
    background: #f9f9f9;
}

.gap {
    padding-bottom: 30px;
}

.display-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading {
    position: fixed;
    z-index: 1000;
    width: 100%;
    height: 100vh;
    background-color: #f9f9f9;
}

.loading.hide {
    opacity: 0;
    pointer-events: none;
    transition: opacity 500ms;
}

a.new::before {
    content: 'New';
    font-size: 8px;
    font-weight: bold;
    line-height: 1.7;
    display: inline-block;
    color: #fff;
    background: #F00;
    border-radius: 10px;
    padding: 0 5px;
    vertical-align: text-top;
}

.margin-t-10 {
    margin-top: 10%;
}

.margin-b-10 {
    margin-bottom: 10%;
}

a.link:hover {
    color: black;
}

nav a:hover {
    color: white;
}

h1 a:hover {
    color: white;
}

.relative {
    position: relative;
    top: 2px;
}

.menu {
    display: none;
}

@media (max-width: 768px) {
    .hidden {
        display: none;
    }
    .menu {
        display: block;
        position: fixed;
        right: 0;
    }
    .hamburger {
        background-color: transparent;
        border-color: transparent;
        z-index: 9999;
        position: relative;
    }
	.wrap_hamburger {
		width: 56px;
		height: 100%;
		transform: scale(1.2);
	}
    .hamburger span {
        width: 80%;
        height: 2px;
        background-color: #ffffff;
        position: relative;
        transition: ease .4s;
        display: block;
    }
    .hamburger span:nth-child(1) {
        top: 3px;
    }
    .hamburger span:nth-child(2) {
        top: 3px;
        margin: 8px 0;
    }
    .hamburger span:nth-child(3) {
        top: 3px;
    }
    .nav.active {
        transform: translateX(0);
    }
    .hamburger.active span:nth-child(1) {
        top: 10px;
        transform: rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        top: -10px;
        transform: rotate(-45deg);
    }
}