/* ===== リセットとベース ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: #5A5A5A;
    line-height: 1.8;
    background-color: #FFF9F5;
}

h1, h2, h3, h4 {
    font-family: 'Rounded Mplus 1c', 'Noto Sans JP', sans-serif;
    font-weight: 700;
}

a {
    color: #FF6B9D;
    text-decoration: none;
    transition: opacity 0.3s;
}

a:hover {
    opacity: 0.7;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== ヘッダー ===== */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    color: #FF6B9D;
    margin-bottom: 2px;
}

.logo img {
    height: 60px;
    width: auto;
    display: block;
}

.logo-sub {
    font-size: 0.8rem;
    color: #999;
    font-weight: 400;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-list a {
    color: #5A5A5A;
    font-size: 0.95rem;
    padding: 8px 0;
}

.btn-donate-nav {
    background: linear-gradient(135deg, #FF9999, #FF6B9D);
    color: #fff !important;
    padding: 10px 20px !important;
    border-radius: 25px;
    font-weight: 700;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #FF6B9D;
    border-radius: 2px;
    transition: all 0.3s;
}

/* ===== ヒーローセクション ===== */
.hero {
    position: relative;
    background: linear-gradient(135deg, #FFD4A3 0%, #FF9999 50%, #FF6B9D 100%);
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    overflow: hidden;
}

.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 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,101.3C1248,85,1344,75,1392,69.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') bottom center no-repeat;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    line-height: 1.4;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 40px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== ボタン ===== */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: #fff;
    color: #FF6B9D;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-note {
    background: linear-gradient(135deg, #FF9999, #FF6B9D);
    color: #fff;
}

/* ===== セクション ===== */
.section {
    padding: 80px 0;
}

.section-alt {
    background-color: #fff;
}

.section-highlight {
    background: linear-gradient(135deg, #FFF0E6, #FFE8E8);
}

.section-donate {
    background: linear-gradient(135deg, #FFE8E8, #FFD4A3);
}

.section-title {
    font-size: 2rem;
    color: #FF6B9D;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #FF9999, #FF6B9D);
    border-radius: 2px;
}

/* ===== About ===== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.text-large {
    font-size: 1.2rem;
    font-weight: 700;
    color: #FF6B9D;
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-content p {
    margin-bottom: 20px;
}

.about-image {
    margin-top: 40px;
    text-align: center;
}

.about-image img {
    max-width: 600px;
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.news-badge {
    background: linear-gradient(135deg, #FFF3E0, #FFE8E8);
    border-left: 4px solid #FF9999;
    padding: 20px;
    margin-top: 40px;
    border-radius: 8px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.badge-label {
    font-size: 0.85rem;
    color: #FF6B9D;
    font-weight: 700;
    margin-bottom: 8px;
}

.badge-text {
    font-size: 1rem;
    color: #5A5A5A;
}

/* ===== 3つのプラス ===== */
.three-plus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.plus-card {
    background: #fff;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(255, 107, 157, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.plus-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(255, 107, 157, 0.2);
}

.plus-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-align: center;
    color: #FF9999;
    font-weight: 700;
}

.plus-card h3 {
    color: #FF6B9D;
    font-size: 1.3rem;
    margin-bottom: 15px;
    text-align: center;
}

.plus-card p {
    margin-bottom: 15px;
    font-size: 0.95rem;
}

/* ===== 参加対象 ===== */
.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.target-card {
    background: #fff;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.target-card h3 {
    color: #FF6B9D;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.target-sub {
    font-size: 0.9rem;
    color: #999;
    margin-bottom: 20px;
}

.checklist {
    list-style: none;
}

.checklist li {
    padding-left: 25px;
    margin-bottom: 12px;
    position: relative;
    font-size: 0.95rem;
}

.checklist li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #FF9999;
    font-weight: 700;
}

/* ===== ワークショップの特徴 ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.feature-item {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.1);
    text-align: left;
}

.feature-item h4 {
    color: #FF6B9D;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.feature-item p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== 開催報告 ===== */
.report-content {
    max-width: 800px;
    margin: 0 auto;
}

.report-content p {
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.stat-card {
    background: #fff;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #FF6B9D;
    line-height: 1;
}

.stat-label {
    font-size: 1.2rem;
    color: #FF6B9D;
    font-weight: 700;
}

.stat-desc {
    font-size: 0.9rem;
    color: #5A5A5A;
    margin-top: 10px;
}

/* ===== イベントカード ===== */
.event-card {
    background: #fff;
    max-width: 600px;
    margin: 0 auto;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(255, 107, 157, 0.15);
    text-align: center;
}

.event-badge {
    display: inline-block;
    background: linear-gradient(135deg, #FF9999, #FF6B9D);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.event-title {
    font-size: 1.8rem;
    color: #FF6B9D;
    margin-bottom: 20px;
}

.event-date {
    font-size: 1.3rem;
    color: #5A5A5A;
    font-weight: 700;
    margin-bottom: 15px;
}

.event-info {
    font-size: 1rem;
    color: #999;
    margin-bottom: 20px;
}

.event-note {
    font-size: 0.9rem;
    color: #999;
}

/* ===== 主催者 ===== */
.organizer-card {
    background: #fff;
    max-width: 1000px;
    margin: 0 auto;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.organizer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: start;
}

.organizer-info {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid #FFE8E8;
}

.organizer-info h3 {
    font-size: 1.6rem;
    color: #FF6B9D;
    margin-bottom: 10px;
}

.organizer-title {
    font-size: 0.95rem;
    color: #999;
}

.organizer-message p {
    margin-bottom: 20px;
}

.organizer-message blockquote {
    background: linear-gradient(135deg, #FFF9F5, #FFE8E8);
    border-left: 4px solid #FF9999;
    padding: 20px;
    margin: 30px 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: #FF6B9D;
    border-radius: 8px;
}

.organizer-photo {
    position: sticky;
    top: 100px;
}

.organizer-photo img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ===== note ===== */
.text-center {
    text-align: center;
    margin-bottom: 30px;
}

.text-left {
    text-align: center;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .text-left {
        text-align: left;
    }
}

.sp-only {
    display: none;
}

.note-link {
    text-align: center;
}

/* ===== 寄付 ===== */
.donate-content {
    max-width: 700px;
    margin: 0 auto;
}

.donate-content p {
    margin-bottom: 20px;
}

.donate-list {
    background: #fff;
    padding: 25px 25px 25px 50px;
    border-radius: 15px;
    margin: 30px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.donate-list li {
    margin-bottom: 10px;
    font-size: 1rem;
}

.donate-note {
    text-align: center;
    font-size: 0.95rem;
    color: #999;
}

/* ===== フッター ===== */
.footer {
    background: linear-gradient(135deg, #FFF0E6, #FFE8E8);
    color: #5A5A5A;
    padding: 50px 0 20px;
    border-top: 3px solid #FFD4A3;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: #FF6B9D;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #5A5A5A;
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: #FF6B9D;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 2px solid #FFD4A3;
    font-size: 0.9rem;
    color: #999;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
    .nav-list {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .sp-only {
        display: inline;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.6rem;
        padding: 0 10px 17px 10px;
    }
    
    .plus-card {
        padding: 25px 15px;
    }
    
    .three-plus-grid,
    .target-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .event-card {
        padding: 30px 20px;
    }
    
    .organizer-card {
        padding: 25px;
    }
    
    .organizer-content {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.2rem;
    }
    
    .logo img {
        height: 45px;
    }
    
    .hero {
        padding: 80px 10px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.4rem;
    }
    
    .event-title {
        font-size: 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}