:root {
    --gm-yellow: #FFE97B;
    --gm-red: #FF5A5F;
    --gm-dark: #333;
    --gm-blue: #00A699;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--gm-yellow);
    color: var(--gm-dark);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Background Decorations */
.garland-left,
.garland-right {
    position: absolute;
    top: 0;
    width: 200px;
    height: 150px;
    z-index: 0;
    pointer-events: none;
}

.garland-left {
    left: 0;
    background: radial-gradient(circle at 0% 0%, transparent 40%, rgba(255, 255, 255, 0.2) 41%, transparent 45%);
    /* In a real scenario, we might use an SVG or PNG for the garland flags */
}

.confetti {
    position: absolute;
    width: 8px;
    height: 8px;
    opacity: 0.6;
    z-index: 0;
    border-radius: 2px;
}

.container {
    width: 100%;
    max-width: 500px;
    padding: 40px 20px 20px;
    text-align: center;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
}

/* Header Arc Text */
.header-arc {
    margin-bottom: 15px;
}

.arc-text {
    font-size: 1.8rem;
    font-weight: 900;
    color: #000;
    display: inline-block;
    transform: perspective(100px) rotateX(10deg);
    text-shadow: -2px -2px 0 #fff, 2px -2px 0 #fff, -2px 2px 0 #fff, 2px 2px 0 #fff;
    letter-spacing: 0.05em;
}

/* Main Logo Area */
.logo-area {
    margin-bottom: 15px;
    animation: float 4s ease-in-out infinite;
}

.main-logo-img {
    width: 85%;
    max-width: 340px;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Message Box */
.message-box {
    width: 100%;
    max-width: 340px;
    margin: 0 auto 20px;
}

.message-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* Link Section */
.link-section {
    margin-top: 15px;
}

.link-title {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.eye-icon {
    font-size: 1.4rem;
}

.sns-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 15px;
}

.sns-item {
    text-decoration: none;
    display: block;
    transition: transform 0.2s;
}

.sns-item:hover {
    transform: translateY(-5px);
}

.sns-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

@media screen and (max-width: 480px) {
    .arc-text {
        font-size: 1.2rem;
    }

    .container {
        padding-top: 25px;
        padding-bottom: 5px;
    }

    .header-arc {
        margin-bottom: 10px;
    }

    .logo-area {
        margin-bottom: 10px;
    }

    .message-box {
        margin-bottom: 15px;
    }

    .main-logo-img,
    .message-box {
        max-width: 80%;
    }

    .link-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .eye-icon {
        font-size: 1.2rem;
    }

    .sns-links {
        margin-bottom: 10px;
    }

    .price-bubble {
        font-size: 1.8rem;
    }

    .main-text {
        font-size: 1.3rem;
    }

    .sub-text {
        font-size: 1.5rem;
    }
}