/* ベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body,
html {
    height: 100%;
    font-family: 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #e0f617, #56ab2f);
    /* 黄緑〜緑グラデ */
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.container {
    padding: 2em;
    animation: floatIn 1s ease-out forwards;
}

.logo-area {
    display: flex;
    justify-content: center;
    gap: 2em;
    margin-bottom: 6em;
    flex-wrap: wrap;
}

.logo-area img {
    width: 300px;
    height: auto;
    opacity: 0.95;
    transition: transform 0.3s ease;
}

.logo-area img:hover {
    transform: scale(1.05);
}

.message h1 {
    font-size: 2rem;
    margin-bottom: 3em;
}

.message p {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* アニメーション */
.fade-in {
    opacity: 0;
    animation: fadeIn 1.5s ease-in forwards;
}

.fade-in.delay {
    animation-delay: 1s;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes floatIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* レスポンシブ */
@media (max-width: 600px) {
    .logo-area img {
        width: 240px;
    }

    .message h1 {
        font-size: 1.5rem;
    }

    .message p {
        font-size: 1rem;
    }
}