/* ボランティア申込みページ専用スタイル */

/* ヒーローセクションの桜背景 */
.volunteer-application-hero {
    background: linear-gradient(135deg, #fef7f7 0%, #ffe8e8 50%, #fff0f5 100%);
    height: 60vh;
    min-height: 500px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.volunteer-application-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="sakura" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23ff6b9d" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23sakura)"/></svg>') repeat;
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.cherry-blossom-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 20%, rgba(255, 107, 157, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 139, 171, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(255, 179, 193, 0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    color: #b67a93;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 0 4px 8px rgba(255, 107, 157, 0.2);
    background: linear-gradient(135deg, #ff6b9d 0%, #b67a93 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #8b4b6b;
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 100%);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 157, 0.3);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.9);
    color: #ff6b9d;
    border: 2px solid #ff6b9d;
}

.btn-outline:hover {
    background: #ff6b9d;
    color: white;
    transform: translateY(-3px);
}

/* フォームのスタイル改善 */
.volunteer-application-form {
    background: linear-gradient(135deg, #fef7f7 0%, #fff 50%, #fef7f7 100%);
    padding: 80px 0;
    position: relative;
}

.volunteer-application-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="petals" x="0" y="0" width="30" height="30" patternUnits="userSpaceOnUse"><path d="M15,5 Q20,10 15,15 Q10,10 15,5" fill="%23ff6b9d" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23petals)"/></svg>') repeat;
    opacity: 0.4;
}

.application-form {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(255, 107, 157, 0.15), 0 0 0 1px rgba(255, 107, 157, 0.1);
    border: 1px solid rgba(255, 107, 157, 0.1);
    position: relative;
    overflow: hidden;
}

.application-form::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 157, 0.05) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
    pointer-events: none;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #b67a93;
    margin-bottom: 2rem;
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '🌸';
    display: block;
    font-size: 2rem;
    margin-top: 10px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.form-intro {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.2rem;
    color: #8b4b6b;
    padding: 25px;
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.1) 0%, rgba(255, 179, 193, 0.1) 100%);
    border-radius: 20px;
    border: 1px solid rgba(255, 107, 157, 0.2);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.1);
    position: relative;
    z-index: 1;
}

.form-section {
    margin-bottom: 50px;
    padding: 35px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 245, 248, 0.9) 100%);
    border-radius: 25px;
    border: 1px solid rgba(255, 107, 157, 0.15);
    box-shadow: 0 8px 30px rgba(255, 107, 157, 0.1);
    position: relative;
    backdrop-filter: blur(5px);
    z-index: 1;
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b9d 0%, #ff8fab 50%, #ffb3c1 100%);
    border-radius: 25px 25px 0 0;
}

.form-section h3 {
    color: #b67a93;
    margin-bottom: 25px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.form-section h3::before {
    content: "🌸";
    margin-right: 12px;
    font-size: 1.4rem;
    animation: pulse 2s ease-in-out infinite;
}

.form-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #ff6b9d 0%, transparent 100%);
    border-radius: 1px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-text);
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    font-size: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
    transform: translateY(-2px);
}

.form-group input:valid {
    border-color: #27ae60;
}

.form-group input:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
}

/* チェックボックスグループのスタイル改善 */
.checkbox-group {
    display: grid;
    gap: 15px;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    padding: 20px;
    border: 2px solid rgba(255, 107, 157, 0.2);
    border-radius: 15px;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 250, 252, 0.9) 100%);
    position: relative;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.08);
}

.checkbox-item:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.08) 0%, rgba(255, 179, 193, 0.08) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 157, 0.2);
}

.checkbox-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 15px;
    background: linear-gradient(45deg, transparent 0%, rgba(255, 107, 157, 0.02) 50%, transparent 100%);
    pointer-events: none;
}

.checkbox-item input[type="checkbox"] {
    opacity: 0;
    position: absolute;
    width: 0;
    height: 0;
}

.checkmark {
    width: 28px;
    height: 28px;
    border: 2px solid rgba(255, 107, 157, 0.3);
    border-radius: 8px;
    margin-right: 18px;
    position: relative;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 245, 248, 0.9) 100%);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(255, 107, 157, 0.1);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 100%);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
    transform: scale(1.05);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 14px;
}

.checkbox-content {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.checkbox-content strong {
    color: var(--dark-text);
    margin-bottom: 5px;
    font-size: 1rem;
}

.checkbox-content small {
    color: var(--light-text);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* エラーメッセージ */
.error-message {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 5px;
    display: none;
}

.error-message.show {
    display: block;
}

.form-help {
    color: var(--light-text);
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
}

/* 同意チェックボックス */
.form-agreement {
    margin: 40px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    border: 1px solid #e9ecef;
}

.agreement-item {
    margin-bottom: 0;
}

.agreement-text {
    font-size: 0.95rem;
    line-height: 1.6;
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: underline;
    font-weight: 500;
}

.privacy-link:hover {
    color: var(--secondary-color);
}

/* 送信ボタン */
.form-submit {
    text-align: center;
    margin-top: 40px;
}

.submit-btn {
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 50%, #ffb3c1 100%);
    color: white;
    border: none;
    padding: 20px 60px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 60px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 157, 0.3), 0 0 0 1px rgba(255, 107, 157, 0.1);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    box-shadow: 0 15px 40px rgba(255, 107, 157, 0.4), 0 0 0 1px rgba(255, 107, 157, 0.2);
    transform: translateY(-4px) scale(1.02);
    background: linear-gradient(135deg, #ff5a8a 0%, #ff7ea0 50%, #ffa8c0 100%);
}

.submit-btn:active {
    transform: translateY(-1px);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.submit-note {
    margin-top: 15px;
}

.submit-note small {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* スムーズスクロール */
.smooth-scroll {
    scroll-behavior: smooth;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .volunteer-application-hero {
        height: 50vh;
        min-height: 400px;
    }

    .hero-content {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .volunteer-application-form {
        padding: 60px 0;
    }
    
    .application-form {
        margin: 0 15px;
        padding: 35px 25px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-intro {
        font-size: 1rem;
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-section {
        padding: 25px 20px;
        margin-bottom: 35px;
    }
    
    .form-section h3 {
        font-size: 1.3rem;
    }
    
    .checkbox-item {
        padding: 15px;
    }
    
    .checkmark {
        width: 24px;
        height: 24px;
        margin-right: 15px;
    }
    
    .submit-btn {
        padding: 18px 45px;
        font-size: 1.1rem;
        width: 100%;
        max-width: 300px;
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .activity-card {
        padding: 25px 20px;
    }
    
    .volunteer-description,
    .volunteer-requirements {
        padding: 25px 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .application-form {
        margin: 0 10px;
        padding: 25px 15px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .form-section {
        padding: 20px 15px;
    }
    
    .checkbox-item {
        padding: 12px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .checkmark {
        margin-right: 0;
        margin-bottom: 10px;
        align-self: center;
    }
    
    .activity-card {
        padding: 20px 15px;
    }
    
    .volunteer-description,
    .volunteer-requirements {
        padding: 20px 15px;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.application-form {
    animation: fadeInUp 0.6s ease-out;
}

.form-section {
    animation: fadeInUp 0.6s ease-out;
}

.form-section:nth-child(2) { animation-delay: 0.1s; }
.form-section:nth-child(3) { animation-delay: 0.2s; }
.form-section:nth-child(4) { animation-delay: 0.3s; }
.form-section:nth-child(5) { animation-delay: 0.4s; }

/* ボランティア情報セクション */
.volunteer-info {
    background: linear-gradient(135deg, #fff 0%, #fef7f7 50%, #fff 100%);
    padding: 80px 0;
    position: relative;
}

.volunteer-description {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.05) 0%, rgba(255, 179, 193, 0.05) 100%);
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 40px;
    border: 1px solid rgba(255, 107, 157, 0.1);
    box-shadow: 0 8px 25px rgba(255, 107, 157, 0.08);
}

.volunteer-description h3 {
    color: #b67a93;
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.volunteer-description p {
    color: #8b4b6b;
    font-size: 1.1rem;
    line-height: 1.8;
}

.volunteer-activities h3 {
    color: #b67a93;
    font-size: 1.5rem;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.activity-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 245, 248, 0.9) 100%);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 107, 157, 0.1);
    box-shadow: 0 8px 25px rgba(255, 107, 157, 0.1);
    position: relative;
    overflow: hidden;
}

.activity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b9d 0%, #ff8fab 50%, #ffb3c1 100%);
}

.activity-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(255, 107, 157, 0.2);
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.08) 0%, rgba(255, 179, 193, 0.08) 100%);
}

.activity-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6b9d 0%, #ff8fab 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
    transition: all 0.3s ease;
}

.activity-card:hover .activity-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.4);
}

.activity-icon i {
    color: white;
    font-size: 1.5rem;
}

.activity-card h4 {
    color: #b67a93;
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.activity-card p {
    color: #8b4b6b;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 参加条件セクション */
.volunteer-requirements {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.05) 0%, rgba(255, 179, 193, 0.05) 100%);
    padding: 35px;
    border-radius: 25px;
    border: 1px solid rgba(255, 107, 157, 0.15);
    box-shadow: 0 8px 30px rgba(255, 107, 157, 0.1);
}

.volunteer-requirements h3 {
    color: #b67a93;
    font-size: 1.4rem;
    margin-bottom: 25px;
    font-weight: 600;
}

.requirements-list {
    display: grid;
    gap: 15px;
}

.requirement-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    border-left: 4px solid #ff6b9d;
    transition: all 0.3s ease;
}

.requirement-item:hover {
    background: rgba(255, 107, 157, 0.08);
    transform: translateX(5px);
}

.requirement-item i {
    color: #ff6b9d;
    margin-right: 12px;
    font-size: 1.1rem;
}

.requirement-item span {
    color: #8b4b6b;
    font-size: 1rem;
    line-height: 1.5;
}

/* スムーズスクロール改善 */
.smooth-scroll {
    scroll-behavior: smooth;
    position: relative;
    overflow: hidden;
}

.smooth-scroll::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.smooth-scroll:hover::before {
    left: 100%;
}

/* 追加的な装飾効果 */
.volunteer-application-hero .container {
    position: relative;
    z-index: 3;
}

/* サクラの花びら効果 */
@keyframes sakuraFall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

.sakura-effect {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.sakura-petal {
    position: absolute;
    width: 10px;
    height: 10px;
    background: radial-gradient(circle, #ff6b9d 0%, #ff8fab 100%);
    border-radius: 50% 0 50% 0;
    animation: sakuraFall 15s linear infinite;
    opacity: 0.7;
}

.sakura-petal:nth-child(odd) {
    background: radial-gradient(circle, #ffb3c1 0%, #fce4ec 100%);
    animation-duration: 12s;
}

.sakura-petal:nth-child(3n) {
    animation-duration: 18s;
}

/* フォーカス効果の改善 */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b9d;
    box-shadow: 0 0 0 4px rgba(255, 107, 157, 0.15), 0 8px 25px rgba(255, 107, 157, 0.1);
    transform: translateY(-2px);
    background: linear-gradient(135deg, #fff 0%, rgba(255, 245, 248, 0.5) 100%);
}

/* ローディング効果 */
.submit-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.submit-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 成功メッセージスタイル */
.success-message {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    color: white;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    margin: 20px 0;
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.3);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.5s ease;
}

.success-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* アクセシビリティ改善 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    .form-section {
        border: 2px solid #ff6b9d;
    }
    
    .checkbox-item {
        border: 2px solid #ff6b9d;
    }
    
    .btn-primary {
        border: 2px solid #fff;
    }
}
/* 会員募集セクション */
.membership-section {
    margin-top: 4rem;
    padding: 3rem 0;
    background: linear-gradient(135deg, #fff9fc 0%, #fef0f5 100%);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(255, 107, 157, 0.1);
}

.membership-title {
    font-size: 2.5rem;
    color: #ff6b9d;
