/*
 * birth_stone_demo.css
 * 誕生石とは｜生まれ月から伝統的な誕生石を確認する体験デモ
 * 既存クラスと衝突しないよう bsd- を接頭辞にしています。
 */

#bsd-demo {
    box-sizing: border-box;
    margin: 1.6rem 0;
    padding: 1.2rem 1.2rem 1.6rem;
    background: #f5fbf7;
    border: 1px solid var(--pt-green-border, #bfe3cd);
    border-radius: 1rem;
}

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

.bsd-demo__head {
    text-align: center;
    margin-bottom: 1.2rem;
}

.bsd-demo__badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 999px;
    background: var(--pt-green, #1f8a5c);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 0.6rem;
}

.bsd-demo__title {
    margin: 0.4rem auto 0;
    max-width: 32rem;
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.6;
    color: #12233f;
}

.bsd-demo__lead {
    margin: 0.5rem auto 0;
    max-width: 34rem;
    font-size: 0.85rem;
    color: #555;
    line-height: 1.8;
}

.bsd-demo__field {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 1.2rem;
}

.bsd-demo__field label {
    font-size: 0.8rem;
    font-weight: 700;
    color: #333;
}

.bsd-demo__field select {
    padding: 0.5rem 0.7rem;
    border: 1px solid #ccd3da;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    background: #fff;
    min-width: 8rem;
}

.bsd-demo__result {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.2rem;
    border-radius: 0.8rem;
    background: #fff;
    border: 1px solid var(--pt-green-border, #bfe3cd);
    margin-bottom: 0.8rem;
}

.bsd-demo__result-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--pt-green-dark, #145c3d);
}

.bsd-demo__note {
    margin: 0 auto;
    max-width: 34rem;
    font-size: 0.78rem;
    color: #666;
    line-height: 1.7;
    text-align: center;
}