/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "M PLUS Rounded 1c", 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #fff;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
}

/* --- Color Variables --- */
:root {
    --primary-lavender: #f3e5f5;
    --accent-lavender: #9b72b0;
    --accent-lavender-light: #ce93d8;
    --accent-gold: #e6c17d;
    --text-lavender: #9c27b0;
    --border-lavender: #e1bee7;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h2 {
    font-size: 1.3rem;
    color: var(--text-lavender);
    margin-bottom: 1.2rem;
    padding-left: 10px;
    border-left: 4px solid var(--accent-lavender-light);
}

h3 {
    font-size: 1rem;
    color: #333;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}

section {
    padding: 36px 20px;
}

/* --- Header --- */
header {
    background: linear-gradient(135deg, var(--accent-lavender), var(--accent-lavender-light));
    padding: 14px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.header-logo {
    max-height: 44px;
    border-radius: 8px;
}

/* --- Hero --- */
.hero {
    background-color: var(--primary-lavender);
    text-align: center;
    padding: 50px 20px 40px;
}

.hero-image {
    margin: 0 auto 24px;
    width: 85%;
    max-width: 400px;
    border-radius: 12px;
}

.hero-subtitle {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.8rem;
    line-height: 1.7;
}

.hero h1 {
    font-size: 1.8rem;
    color: var(--accent-lavender);
    font-weight: 700;
}

/* --- Concept --- */
.concept {
    border-bottom: 1px solid var(--border-lavender);
}

/* --- Ingredients --- */
.ingredients {
    background-color: #fdfaff;
    border-bottom: 1px solid var(--border-lavender);
}

.ingredient-list {
    list-style: none;
    margin-top: 0.8rem;
}

.ingredient-list li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.ingredient-list .gold {
    color: var(--accent-gold);
    position: absolute;
    left: 0;
    top: 0.35rem;
    font-size: 0.75rem;
}

/* --- Lineup --- */
.lineup {
    border-bottom: 1px solid var(--border-lavender);
}

.recommended-step {
    text-align: center;
    margin-bottom: 32px;
    border: 1px solid var(--border-lavender);
    border-radius: 12px;
    padding: 20px;
    background-color: var(--primary-lavender);
}

.step-image {
    width: 70%;
    max-width: 280px;
    margin: 0 auto 14px;
    border-radius: 8px;
}

.step-description {
    font-weight: bold;
    color: var(--text-lavender);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.product-item {
    background-color: #fff;
    border: 1px solid var(--border-lavender);
    border-radius: 12px;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.product-thumb {
    width: 100%;
    max-width: 160px;
    margin-bottom: 12px;
    border-radius: 8px;
}

.product-item p {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 0;
    line-height: 1.5;
}

/* --- Safety --- */
.safety {
    background-color: var(--primary-lavender);
}

/* --- Footer --- */
footer {
    background: linear-gradient(135deg, var(--accent-lavender), var(--accent-lavender-light));
    color: #fff;
    padding: 28px 20px;
    text-align: center;
}

footer .logo-container {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.footer-logo {
    max-height: 40px;
    border-radius: 8px;
}

.copyright {
    font-size: 0.85rem;
    margin-bottom: 0;
    opacity: 0.85;
}

/* --- Tablet / PC --- */
@media screen and (min-width: 768px) {
    section {
        padding: 56px 48px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .product-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        max-width: 800px;
        margin: 0 auto;
    }

    .recommended-step {
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: left;
        max-width: 600px;
        margin: 0 auto 40px;
    }

    .step-image {
        width: 160px;
        margin: 0 24px 0 0;
    }
}