/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本設定 */
:root {
    --primary-color: #c41e3a;
    --secondary-color: #2c3e50;
    --accent-color: #f8f9fa;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --gold: #d4af37;
    --gradient-primary: linear-gradient(135deg, #c41e3a 0%, #8b0000 100%);
    --gradient-secondary: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --shadow-light: 0 2px 15px rgba(0,0,0,0.1);
    --shadow-medium: 0 5px 25px rgba(0,0,0,0.15);
    --shadow-heavy: 0 10px 40px rgba(0,0,0,0.2);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #fff;
    padding-top: 65px; /* ヘッダーの高さ分のパディング */
}

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(196, 30, 58, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.logo a {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: var(--secondary-color);
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

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

/* ヒーローセクション */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 300;
}

/* ボタンスタイル */
.cta-button {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    min-width: 200px;
}

.cta-button.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-medium);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.cta-button.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-button.secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.cta-button.large {
    padding: 20px 40px;
    font-size: 1.2rem;
}

/* セクション共通スタイル */
section {
    padding: 80px 0;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-dark);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 20px auto;
    border-radius: 2px;
}

/* コンセプトセクション */
.concept {
    background: var(--accent-color);
}

.concept-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.concept-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-light);
}

.concept-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
}

/* プランセクション */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.plan-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.plan-image {
    height: 200px;
    overflow: hidden;
}

.plan-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.plan-card:hover .plan-image img {
    transform: scale(1.05);
}

.plan-card h3 {
    font-size: 1.4rem;
    margin: 1.5rem 1.5rem 1rem;
    color: var(--text-dark);
}

.plan-card p {
    margin: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* フローセクション */
.flow {
    background: var(--accent-color);
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    position: relative;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
}

/* ▼▼▼▼▼▼▼▼▼▼ 以下を追記 ▼▼▼▼▼▼▼▼▼▼ */

.step-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden; /* 丸の外にはみ出した部分を隠す */
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 画像を丸にフィットさせて切り抜く */
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
    position: absolute; 
    top: -30px; 
    left: 50%; 
    transform: translateX(-50%); 
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
    margin-top: auto; 
}

/* 料金セクション */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: white;
    border-radius: 15px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.recommended {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tax {
    font-size: 1rem;
    font-weight: normal;
    color: var(--text-light);
}

.duration {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.features {
    list-style: none;
    margin-bottom: 2rem;
}

.features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 安全セクション */
.safety {
    background: var(--accent-color);
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.safety-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-light);
}

.safety-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.safety-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.safety-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* FAQセクション */
.faq {
    padding: 80px 0;
    background: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 2rem;
    border: 1px solid #e9ecef;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-medium);
}

.faq-question {
    background: var(--accent-color);
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-bottom: 1px solid #e9ecef;
}

.faq-question:hover {
    background: #e9ecef;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-dark);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-question h3::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question h3::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 1.5rem 2rem;
    background: white;
    display: block;
}

.faq-answer p {
    margin: 0;
    line-height: 1.7;
    color: var(--text-light);
    font-size: 1rem;
}

.privacy-policy-check label {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;    /* 改行しない */
    white-space: nowrap;  /* テキストも途中改行させない */
}
.privacy-policy-check input[type="checkbox"] {
    width: 10%;
}

.privacy-policy-check {
    color: #00ccff;
}
.privacy-policy-check a {
    color: #00ccff;
}

/* アコーディオン効果用（将来的に実装可能） */
.faq-item:not(.active) .faq-answer {
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* コンタクトフォーム */
.contact {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #34495e 100%);
    color: white;
}

.contact .section-title {
    color: white;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: white;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    color: white; 
}

.form-group select {
    color: white;
    background: rgba(255,255,255,0.1);
}

.form-group select option {
    background: #34495e;
    color: white;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255,255,255,0.7);
}

.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(196, 30, 58, 0.2);
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.redirect-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); /* 中央に移動 */
  
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
  padding: 20px 30px;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);

  font-size: 18px;
  font-weight: bold;
  text-align: center;
  z-index: 9999;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translate(-50%, -40%); }
  to { opacity: 1; transform: translate(-50%, -50%); }
}



/* お問い合わせフォーム */
.inquiry {
    background: var(--accent-color);
    padding: 80px 0;
}

.inquiry .section-title {
    color: var(--text-dark);
}

.inquiry-form {
    max-width: 600px;
    margin: 0 auto;
}

.inquiry .form-group {
    margin-bottom: 2rem;
}

.inquiry .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.inquiry .form-group input,
.inquiry .form-group select,
.inquiry .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    background: white;
    color: var(--text-dark);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.inquiry .form-group input::placeholder,
.inquiry .form-group textarea::placeholder {
    color: var(--text-light);
}

    .faq-answer {
        padding: 1rem 1.5rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 65px;
        left: -100%;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 2rem;
        height: 100%;
    }
    
    .nav-item {
        border-bottom: 1px solid rgba(196, 30, 58, 0.1);
    }
    
    .nav-link {
        display: block;
        padding: 1rem 0;
        font-size: 1.1rem;
    }
    
    .header-content {
        padding: 0.8rem 15px;
    }
    
    .logo a {
        font-size: 1.5rem;
    }
    
    .footer-content {(--primary-color);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

.inquiry .form-submit {
    text-align: center;
    margin-top: 2rem;
}

.privacy-policy h3 {
    margin-top: 20px;
}

.privacy-policy h4 {
    margin-top: 10px;
}



/* フッター */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--gold);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* レスポンシブ対応 */
@media (min-width: 1200px) {
    .plans-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 769px) and (max-width: 1199px) {
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding: 0 15px;
    }
    
    .concept-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-steps {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .safety-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        padding: 1rem 1.5rem;
    }
    
    .faq-question h3 {
        font-size: 1.1rem;
    }
    
    .faq-answer {
        padding: 1rem 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .cta-button {
        padding: 12px 25px;
        font-size: 1rem;
        min-width: 180px;
    }
    
    .cta-button.large {
        padding: 15px 30px;
        font-size: 1.1rem;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.plan-card,
.step,
.pricing-card,
.safety-item {
    animation: fadeInUp 0.6s ease-out;
}

/* スムーススクロール */
html {
    scroll-behavior: smooth;
}