/* =============================================
   慶京セミナー 春のキャンペーン LP — Blue × White Spring
   ============================================= */

/* リセットと基本スタイル */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* ── Blue Color System ── */
    --c-blue-50: #E3F2FD;
    --c-blue-100: #BBDEFB;
    --c-blue-200: #90CAF9;
    --c-blue-300: #64B5F6;
    --c-blue-400: #42A5F5;
    --c-blue-500: #2196F3;
    --c-blue-600: #1E88E5;
    --c-blue-700: #1976D2;
    --c-blue-800: #1565C0;
    --c-blue-900: #0D47A1;

    /* ── Spring Accent (桜ピンク) ── */
    --c-sakura-100: #FCE4EC;
    --c-sakura-200: #F8BBD0;
    --c-sakura-300: #F48FB1;
    --c-sakura-400: #EC407A;

    /* ── Neutrals ── */
    --c-text: #1A2232;
    --c-text-secondary: #4A5568;
    --c-text-muted: #8896A6;
    --c-bg: #FEFEFE;
    --c-bg-soft: #F0F7FF;
    --c-bg-card: #FFFFFF;
    --c-border: #E2EDF8;
    --c-caution-bg: #FFFBEB;
    --c-caution-border: #F59E0B;
    --c-caution-text: #92400E;

    /* ── Gradients ── */
    --grad-primary: linear-gradient(135deg, #42A5F5 0%, #1E88E5 100%);
    --grad-hero: linear-gradient(160deg, #E3F2FD 0%, #BBDEFB 30%, #E8F5E9 60%, #F3E5F5 80%, #FCE4EC 100%);
    --grad-text: linear-gradient(135deg, #1E88E5 0%, #0D47A1 60%, #1565C0 100%);
    --grad-card: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(240, 247, 255, 0.7));
    --grad-contact: linear-gradient(160deg, #0D47A1 0%, #1565C0 40%, #1A237E 100%);

    /* ── Spacing ── */
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-5: 1.25rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    --sp-10: 2.5rem;
    --sp-12: 3rem;
    --sp-16: 4rem;
    --sp-20: 5rem;

    /* ── Typography ── */
    --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* ── Effects ── */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(13, 71, 161, 0.06), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 12px rgba(13, 71, 161, 0.08);
    --shadow-lg: 0 10px 30px rgba(13, 71, 161, 0.08);
    --shadow-xl: 0 20px 50px rgba(13, 71, 161, 0.12);
    --shadow-glow: 0 0 40px rgba(33, 150, 243, 0.15);
    --shadow-card: 0 4px 20px rgba(13, 71, 161, 0.05), 0 1px 3px rgba(0, 0, 0, 0.04);

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--c-text);
    background-color: var(--c-bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* =============================================
   共通ユーティリティ
   ============================================= */
.container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

.text-gradient {
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* スクロールアニメーション */
[data-animate] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* セクション共通 */
section {
    padding: var(--sp-20) 0;
    position: relative;
}

.section-title {
    font-size: 1.85rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--sp-12);
    color: var(--c-text);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--grad-primary);
    margin: var(--sp-4) auto 0;
    border-radius: var(--radius-full);
}

.section-title.light {
    color: #fff;
}

.section-title.light::after {
    background: rgba(255, 255, 255, 0.5);
}

/* ── 波形セクション区切り ── */
.section-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 3;
}

.section-wave svg {
    display: block;
    width: 100%;
    height: 60px;
}

.section-wave-top {
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 3;
}

.section-wave-top svg {
    display: block;
    width: 100%;
    height: 60px;
}

/* =============================================
   ナビゲーション
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--sp-4) 0;
    transition: all 0.35s var(--ease);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 12px rgba(13, 71, 161, 0.08);
    padding: var(--sp-2) 0;
}

.nav-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 var(--sp-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.2rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--c-blue-700);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--sp-6);
}

.nav-links a {
    text-decoration: none;
    color: var(--c-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s var(--ease);
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--c-blue-600);
}

.nav-cta {
    background: var(--grad-primary) !important;
    color: #fff !important;
    padding: var(--sp-2) var(--sp-5) !important;
    border-radius: var(--radius-full) !important;
    font-weight: 600 !important;
    transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease) !important;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.35);
}

/* ハンバーガーメニュー */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--c-text);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(7px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-7px);
}

/* =============================================
   固定 CTA バー（スマホ用）
   ============================================= */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 998;
    padding: var(--sp-3);
    background: rgba(13, 71, 161, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 -4px 20px rgba(13, 71, 161, 0.2);
    transform: translateY(100%);
    transition: transform 0.4s var(--ease);
}

.sticky-cta.show {
    transform: translateY(0);
}

.sticky-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    background: linear-gradient(135deg, #42A5F5, #1E88E5);
    color: #fff;
    padding: 14px 24px;
    text-align: center;
    font-weight: 700;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    transition: transform 0.2s var(--ease);
}

.sticky-cta a:active {
    transform: scale(0.98);
}

.sticky-cta-icon {
    font-size: 1.1rem;
}

/* =============================================
   ヒーロー セクション
   ============================================= */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: var(--sp-20) var(--sp-6);
    background: var(--c-blue-50);
}

/* 背景画像 */
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* 背景オーバーレイ — グラスモルフィズム */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(227, 242, 253, 0.70) 0%,
            rgba(255, 255, 255, 0.55) 30%,
            rgba(255, 255, 255, 0.50) 60%,
            rgba(227, 242, 253, 0.75) 100%);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 1;
}

.hero-glow {
    position: absolute;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.10) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1;
}

/* 桜パーティクル */
.sakura-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 2;
}

.sakura-petal {
    position: absolute;
    top: -40px;
    animation: sakuraFall linear infinite;
    pointer-events: none;
    user-select: none;
}

@keyframes sakuraFall {
    0% {
        transform: translateY(-40px) rotate(0deg) translateX(0px);
        opacity: 0;
    }

    10% {
        opacity: 0.35;
    }

    100% {
        transform: translateY(110vh) rotate(720deg) translateX(80px);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: rgba(255, 255, 255, 0.85);
    color: var(--c-blue-700);
    padding: var(--sp-2) var(--sp-5);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--sp-8);
    border: 1px solid rgba(33, 150, 243, 0.18);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 12px rgba(33, 150, 243, 0.08);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-blue-500);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.7);
    }
}

.hero-title {
    font-size: clamp(1.75rem, 5vw, 2.8rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: var(--sp-6);
    color: var(--c-text);
    letter-spacing: -0.03em;
    text-shadow: 0 1px 8px rgba(255, 255, 255, 0.5);
}

.hero-subtitle {
    font-size: clamp(0.95rem, 2.5vw, 1.15rem);
    color: var(--c-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--sp-10);
    text-shadow: 0 1px 4px rgba(255, 255, 255, 0.4);
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
}

/* =============================================
   ボタン
   ============================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-4) var(--sp-8);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-sans);
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    line-height: 1.5;
    white-space: nowrap;
}

.btn-primary {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(33, 150, 243, 0.3);
    padding: 18px 36px;
    font-size: 1.05rem;
}

.btn-primary:hover {
    box-shadow: 0 8px 32px rgba(33, 150, 243, 0.4);
    transform: translateY(-2px);
}

.btn-glow {
    position: relative;
}

.btn-glow::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    background: var(--grad-primary);
    z-index: -1;
    opacity: 0;
    filter: blur(14px);
    transition: opacity 0.3s var(--ease);
}

.btn-glow:hover::after {
    opacity: 0.5;
}

.btn-icon {
    font-size: 1.1rem;
}

.btn-arrow {
    transition: transform 0.3s var(--ease);
    opacity: 0.7;
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
    opacity: 1;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.75);
    color: var(--c-text-secondary);
    border: 1.5px solid var(--c-border);
    padding: 14px 28px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn-ghost:hover {
    border-color: var(--c-blue-300);
    color: var(--c-blue-700);
    background: rgba(255, 255, 255, 0.9);
}

/* =============================================
   キャンペーン セクション
   ============================================= */
.campaign {
    background: var(--c-bg-soft);
    overflow: hidden;
    padding-top: calc(var(--sp-20) + 30px);
}

.campaign .container {
    text-align: center;
}

.campaign-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: var(--grad-primary);
    color: #fff;
    padding: var(--sp-2) var(--sp-6);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: var(--sp-8);
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.25);
    letter-spacing: 0.02em;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    animation: dotPulse 2s ease-in-out infinite;
}

.campaign-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
    margin-bottom: var(--sp-12);
}

.campaign-card {
    background: var(--c-bg-card);
    padding: var(--sp-8) var(--sp-6);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(226, 237, 248, 0.8);
}

.campaign-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--grad-primary);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.campaign-card:hover::before {
    opacity: 1;
}

.campaign-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(33, 150, 243, 0.12);
}

.card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.06) 0%, transparent 70%);
    top: -70px;
    right: -70px;
    pointer-events: none;
}

.campaign-icon {
    font-size: 2.8rem;
    margin-bottom: var(--sp-4);
    display: block;
}

.campaign-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--sp-4);
    color: var(--c-text);
}

.campaign-value {
    display: flex;
    flex-direction: column;
    gap: var(--sp-1);
}

.value-label {
    font-size: 0.9rem;
    color: var(--c-text-muted);
}

.value-highlight {
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.value-highlight.gift {
    font-size: 1.8rem;
}

.value-unit {
    font-size: 1.4rem;
}

/* キャンペーン詳細 */
.campaign-details {
    background: var(--c-bg-card);
    padding: var(--sp-8);
    border-radius: var(--radius-xl);
    text-align: left;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--c-border);
}

.campaign-details h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--sp-6);
    color: var(--c-text);
}

.details-grid {
    display: grid;
    gap: 0;
    margin-bottom: var(--sp-6);
}

.detail-item {
    display: flex;
    gap: var(--sp-4);
    padding: var(--sp-4) 0;
    border-bottom: 1px solid var(--c-border);
    align-items: baseline;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--c-blue-700);
    min-width: 60px;
    flex-shrink: 0;
}

.detail-value {
    font-size: 0.95rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}

.detail-value strong {
    color: var(--c-blue-700);
    font-weight: 700;
}

/* 注意事項 */
.caution {
    background: var(--c-caution-bg);
    padding: var(--sp-5);
    border-radius: var(--radius-md);
    margin-top: var(--sp-6);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.caution-title {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: var(--sp-3);
    color: var(--c-caution-text);
}

.caution ul {
    list-style: none;
    padding-left: 0;
}

.caution li {
    padding: var(--sp-1) 0;
    color: var(--c-caution-text);
    font-size: 0.85rem;
    position: relative;
    padding-left: var(--sp-5);
    line-height: 1.6;
}

.caution li::before {
    content: '・';
    position: absolute;
    left: var(--sp-2);
}

/* =============================================
   選ばれる理由
   ============================================= */
.reasons {
    background: var(--c-bg);
    padding-top: calc(var(--sp-20) + 30px);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--sp-6);
}

.reason-card {
    background: var(--c-bg-card);
    padding: var(--sp-8);
    border-radius: var(--radius-xl);
    position: relative;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--c-border);
    transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.reason-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(33, 150, 243, 0.10);
    border-color: var(--c-blue-200);
}

.reason-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--c-blue-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--sp-5);
}

.reason-number span {
    font-size: 0.95rem;
    font-weight: 800;
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.reason-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--sp-3);
    color: var(--c-text);
    line-height: 1.5;
}

.reason-card p {
    color: var(--c-text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* =============================================
   受講の流れ
   ============================================= */
.flow {
    background: var(--c-bg-soft);
    padding-top: calc(var(--sp-20) + 30px);
}

.flow-timeline {
    position: relative;
    max-width: 640px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 28px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--c-blue-200), var(--c-blue-100));
}

.flow-step {
    display: flex;
    gap: var(--sp-6);
    margin-bottom: var(--sp-10);
    position: relative;
}

.flow-step:last-child {
    margin-bottom: 0;
}

.step-marker {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: var(--sp-2);
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--c-bg-card);
    border: 3px solid var(--c-blue-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--c-blue-700);
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.12);
}

.step-content {
    background: var(--c-bg-card);
    padding: var(--sp-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--c-border);
    flex: 1;
    transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.step-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--c-blue-200);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--sp-3);
    display: block;
}

.step-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--sp-3);
    color: var(--c-text);
    line-height: 1.4;
}

.step-content p {
    color: var(--c-text-secondary);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* =============================================
   FAQ
   ============================================= */
.faq {
    background: var(--c-bg);
    padding-top: calc(var(--sp-20) + 30px);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--sp-3);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--c-bg-card);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--c-border);
    transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--c-blue-200);
}

.faq-item.open {
    box-shadow: var(--shadow-md);
    border-color: var(--c-blue-300);
}

.faq-question {
    width: 100%;
    padding: var(--sp-5) var(--sp-6);
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-sans);
    color: var(--c-text);
    text-align: left;
    transition: background-color 0.2s var(--ease);
}

.faq-question:hover {
    background: rgba(227, 242, 253, 0.4);
}

.faq-q-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--c-blue-50);
    color: var(--c-blue-700);
    font-weight: 800;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.faq-question>span:nth-child(2) {
    flex: 1;
}

.faq-toggle {
    flex-shrink: 0;
    color: var(--c-text-muted);
    transition: transform 0.3s var(--ease), color 0.3s var(--ease);
    display: flex;
    align-items: center;
}

.faq-item.open .faq-toggle {
    transform: rotate(180deg);
    color: var(--c-blue-600);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease), padding 0.3s var(--ease);
}

.faq-item.open .faq-answer {
    max-height: 500px;
    padding: 0 var(--sp-6) var(--sp-5) calc(var(--sp-6) + 28px + var(--sp-4));
}

.faq-answer p {
    color: var(--c-text-secondary);
    line-height: 1.8;
    font-size: 0.9rem;
}

/* =============================================
   アクセス
   ============================================= */
.access {
    background: var(--c-bg-soft);
    padding-top: calc(var(--sp-20) + 30px);
}

.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
    align-items: start;
}

.access-info,
.access-map {
    background: var(--c-bg-card);
    padding: var(--sp-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--c-border);
}

.access-info h3,
.access-map h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--sp-6);
    color: var(--c-text);
}

.info-list {
    margin-bottom: var(--sp-6);
}

.info-row {
    display: flex;
    gap: var(--sp-4);
    padding: var(--sp-3) 0;
    border-bottom: 1px solid var(--c-border);
    align-items: baseline;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--c-text-muted);
    min-width: 60px;
    flex-shrink: 0;
}

.info-value {
    font-size: 0.95rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}

.info-value a {
    color: var(--c-blue-700);
    text-decoration: none;
    font-weight: 600;
}

.info-value a:hover {
    text-decoration: underline;
}

.hours-table h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--sp-4);
    color: var(--c-text);
}

.hours-grid {
    display: grid;
    gap: var(--sp-2);
}

.hours-row {
    display: flex;
    justify-content: space-between;
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-sm);
    background: var(--c-bg-soft);
    font-size: 0.9rem;
}

.hours-day {
    font-weight: 600;
    color: var(--c-text);
}

.hours-time {
    color: var(--c-text-secondary);
}

.hours-row.closed {
    background: var(--c-blue-50);
}

.hours-row.closed .hours-time {
    color: var(--c-text-muted);
}

.map-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--sp-3);
}

.map-note {
    font-size: 0.8rem;
    color: var(--c-text-muted);
}

/* =============================================
   お問い合わせ
   ============================================= */
.contact {
    background: var(--grad-contact);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding-top: calc(var(--sp-20) + 40px);
    padding-bottom: calc(var(--sp-20) + 80px);
}

.contact-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(33, 150, 243, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(100, 181, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(244, 143, 177, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact-intro {
    font-size: 1.05rem;
    margin-bottom: var(--sp-10);
    line-height: 1.8;
    opacity: 0.9;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-5);
    margin-bottom: var(--sp-10);
}

.btn-contact-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    background: #fff;
    color: var(--c-blue-700);
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-sans);
    border-radius: var(--radius-lg);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.btn-contact-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    background: #F0F7FF;
}

.btn-contact-primary .btn-arrow {
    transition: transform 0.3s var(--ease);
}

.btn-contact-primary:hover .btn-arrow {
    transform: translateX(4px);
}

.contact-sub-buttons {
    display: flex;
    gap: var(--sp-4);
    flex-wrap: wrap;
    justify-content: center;
}

.btn-contact-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    padding: 14px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-md);
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.18);
    cursor: pointer;
    transition: all 0.3s var(--ease);
    backdrop-filter: blur(8px);
}

.btn-contact-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-1px);
}

.contact-phone-card {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-5);
    background: rgba(255, 255, 255, 0.08);
    padding: var(--sp-6);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    text-align: left;
}

.phone-icon {
    font-size: 2rem;
}

.phone-label {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: var(--sp-1);
}

.phone-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    letter-spacing: 0.02em;
    display: block;
    margin-bottom: var(--sp-1);
}

.phone-number:hover {
    text-decoration: underline;
}

.phone-hours {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* =============================================
   フッター
   ============================================= */
.footer {
    background: #0A1628;
    color: rgba(255, 255, 255, 0.7);
    padding: var(--sp-10) 0;
    text-align: center;
}

.footer-brand {
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: var(--sp-4);
    letter-spacing: -0.02em;
}

.footer-nav {
    margin-bottom: var(--sp-6);
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-5);
    justify-content: center;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.2s var(--ease);
}

.footer-nav a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.footer-copy {
    font-size: 0.8rem;
    opacity: 0.4;
}

/* =============================================
   レスポンシブ
   ============================================= */
@media (max-width: 768px) {

    /* ナビゲーション */
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px var(--sp-8) var(--sp-8);
        gap: var(--sp-1);
        transform: translateX(100%);
        transition: transform 0.4s var(--ease);
        box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1rem;
        padding: var(--sp-3) 0;
        width: 100%;
    }

    .nav-cta {
        margin-top: var(--sp-4);
        text-align: center !important;
        width: 100% !important;
        justify-content: center;
    }

    .nav-toggle {
        display: flex;
    }

    /* セクション */
    section {
        padding: var(--sp-12) 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-wave svg,
    .section-wave-top svg {
        height: 36px;
    }

    /* ヒーロー */
    .hero {
        min-height: 90vh;
        padding: var(--sp-16) var(--sp-6);
    }

    .hero-badge {
        font-size: 0.8rem;
        margin-bottom: var(--sp-6);
    }

    .hero-subtitle {
        margin-bottom: var(--sp-8);
    }

    .cta-buttons {
        width: 100%;
    }

    .btn-primary {
        width: 100%;
        padding: 16px 28px;
    }

    .btn-ghost {
        width: 100%;
    }

    /* キャンペーン */
    .campaign {
        padding-top: calc(var(--sp-12) + 20px);
    }

    .campaign-grid {
        grid-template-columns: 1fr;
        gap: var(--sp-4);
    }

    .campaign-card {
        padding: var(--sp-6) var(--sp-5);
    }

    .campaign-card:hover {
        transform: none;
    }

    .value-highlight {
        font-size: 1.8rem;
    }

    .campaign-details {
        padding: var(--sp-6);
    }

    .detail-item {
        flex-direction: column;
        gap: var(--sp-1);
    }

    /* 理由 */
    .reasons {
        padding-top: calc(var(--sp-12) + 20px);
    }

    .reasons-grid {
        grid-template-columns: 1fr;
    }

    .reason-card {
        padding: var(--sp-6);
    }

    .reason-card:hover {
        transform: none;
    }

    /* 流れ */
    .flow {
        padding-top: calc(var(--sp-12) + 20px);
    }

    .timeline-line {
        left: 24px;
    }

    .step-number {
        width: 48px;
        height: 48px;
        font-size: 1rem;
    }

    .step-content {
        padding: var(--sp-5);
    }

    /* アクセス */
    .access {
        padding-top: calc(var(--sp-12) + 20px);
    }

    .access-grid {
        grid-template-columns: 1fr;
    }

    .access-info,
    .access-map {
        padding: var(--sp-6);
    }

    /* FAQ */
    .faq {
        padding-top: calc(var(--sp-12) + 20px);
    }

    /* お問い合わせ */
    .contact {
        padding-top: calc(var(--sp-12) + 40px);
        padding-bottom: calc(var(--sp-12) + 80px);
    }

    .btn-contact-primary {
        width: 100%;
        max-width: 400px;
        padding: 16px 28px;
        font-size: 1rem;
    }

    .contact-sub-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 400px;
    }

    .btn-contact-secondary {
        width: 100%;
        justify-content: center;
    }

    .contact-phone-card {
        width: 100%;
        max-width: 400px;
        flex-direction: column;
        text-align: center;
    }

    /* FAQ */
    .faq-question {
        padding: var(--sp-4) var(--sp-5);
        font-size: 0.9rem;
    }

    .faq-item.open .faq-answer {
        padding: 0 var(--sp-5) var(--sp-4) calc(var(--sp-5) + 28px + var(--sp-4));
    }

    /* フッター */
    .footer-nav {
        gap: var(--sp-3);
        flex-direction: column;
    }

    /* 固定CTA */
    body {
        padding-bottom: 80px;
    }
}

@media (max-width: 480px) {
    section {
        padding: var(--sp-10) 0;
    }

    .container {
        padding: 0 var(--sp-4);
    }

    .section-title {
        font-size: 1.3rem;
    }

    .hero {
        min-height: 85vh;
        padding: var(--sp-12) var(--sp-4);
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .campaign-card {
        padding: var(--sp-5) var(--sp-4);
    }

    .campaign-details {
        padding: var(--sp-5);
    }

    .step-content {
        padding: var(--sp-4);
    }

    .faq-q-icon {
        display: none;
    }

    .faq-item.open .faq-answer {
        padding: 0 var(--sp-5) var(--sp-4) var(--sp-5);
    }

    .access-info,
    .access-map {
        padding: var(--sp-5);
    }

    .info-row {
        flex-direction: column;
        gap: var(--sp-1);
    }

    .phone-number {
        font-size: 1.3rem;
    }
}

/* プリント対応 */
@media print {

    .navbar,
    .sticky-cta,
    .cta-buttons,
    .contact,
    .footer,
    .sakura-container,
    .hero-glow,
    .hero-bg,
    .hero-overlay,
    .section-wave,
    .section-wave-top {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: var(--sp-8) 0;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
    }
}