:root {
    --bg: #fff5f7;
    --text: #2c2b30;
    --muted: #77717b;
    --accent: #ff7ea8;
    --accent-dark: #ff4c8a;
    --card-bg: rgba(255, 255, 255, 0.6);
    --border: rgba(255, 255, 255, 0.8);
    --shadow: rgba(255, 126, 168, 0.2);
    --radius-large: 32px;
    --radius-small: 16px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Hiragino Sans", "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

a {
    color: inherit;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
    padding: 80px clamp(20px, 6vw, 120px) 40px;
    background: linear-gradient(135deg, #ffeef4, #fff9fb);
    overflow: hidden;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(255, 126, 168, 0.12);
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    margin: 16px 0;
    line-height: 1.2;
}

.hero__lead {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 520px;
}

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

.hero__card {
    width: min(360px, 90vw);
    background: var(--card-bg);
    border-radius: var(--radius-large);
    padding: 28px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px var(--shadow);
    backdrop-filter: blur(14px);
}

.hero__card-title {
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--muted);
}

.hero__card-placeholder {
    height: 220px;
    border-radius: var(--radius-large);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.4));
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

.hero__card-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--muted);
}

main {
    padding: 40px clamp(20px, 8vw, 120px) 80px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}

.feature {
    background: var(--card-bg);
    border-radius: var(--radius-large);
    padding: 32px;
    border: 1px solid var(--border);
    box-shadow: 0 12px 30px rgba(255, 126, 168, 0.15);
}

.feature h2 {
    margin-top: 0;
}

.feature ul {
    padding-left: 1.2rem;
    color: var(--text);
}

.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease;
    width: fit-content;
    margin-top: 12px;
}

.cta:hover {
    background: var(--accent-dark);
}

.legal {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.legal article {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    padding: 28px;
}

.legal h3 {
    margin-top: 0;
}

footer {
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
    padding: 24px;
}

@media (max-width: 640px) {
    .hero__card-footer {
        flex-direction: column;
        gap: 8px;
    }
}