/* Base styles */
body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    background-color: #f9f9f9;
    color: #333;
    margin: 0;
    padding: 0;
    max-width: 100%;
    overflow-x: hidden;
}

/* Headings */
.heading {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
    font-weight: 700;
}

.heading--primary {
    font-size: 3em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    padding: 20px 0;
    margin-bottom: 30px;
    animation: titleFloat 3s ease-in-out infinite;
}

.heading--primary::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.heading--secondary {
    font-size: 2.2em;
    color: var(--text-color);
    position: relative;
    padding-bottom: 15px;
    margin-bottom: 30px;
}

.heading--secondary::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-secondary);
    border-radius: 2px;
}

.heading--tertiary {
    font-size: 1.6em;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
    font-weight: 700;
    font-size: 2.5em;
}

h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
    font-weight: 700;
    font-size: 2em;
}

h3 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
    font-weight: 700;
    font-size: 1.6em;
}

/* Sections */
.section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 40px 20px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0, 165, 207, 0.05) 0%,
        rgba(78, 205, 196, 0.05) 50%,
        rgba(0, 165, 207, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.section:hover::before {
    opacity: 1;
}

.section--hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
    background-color: #fff;
    border-radius: 0;
    box-shadow: none;
    text-align: center;
}

.section--default {
    @extend .section;
}

.section--cta {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px 20px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

/* Hero Section Improvements */
.hero {
    position: relative;
    background: linear-gradient(135deg, #f4faff 0%, #e6f3ff 100%);
    overflow: hidden;
    padding: 60px 20px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://ikikati.com/wp-content/uploads/2025/05/pattern.jpg') repeat;
    opacity: 0.1;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0,165,207,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0,141,178,0.1) 0%, transparent 50%);
    animation: gradientShift 15s ease infinite;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero__title {
    font-size: 2.8em;
    line-height: 1.4;
    margin-bottom: 20px;
    color: #005a87;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    animation: fadeInUp 0.8s ease-out;
}

.hero__subtitle {
    font-size: 1.4em;
    color: #333;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero__features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.hero__feature {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero__feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.hero__feature:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 165, 207, 0.2);
}

.hero__feature:hover::before {
    opacity: 0.1;
}

.hero__feature:hover .hero__feature-icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--primary-color);
}

/* Floating Elements */
.floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    z-index: 1;
}

.floating-element:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation: float 8s ease-in-out infinite;
}

.floating-element:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation: float 12s ease-in-out infinite;
}

.floating-element:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation: float 10s ease-in-out infinite;
}

/* Enhanced Feature Icons */
.hero__feature-icon {
    font-size: 2.5em;
    color: #00a5cf;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.hero__feature-icon i {
    position: relative;
    z-index: 2;
}

.hero__feature-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    background: rgba(0,165,207,0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    transition: all 0.3s ease;
}

.hero__feature:hover .hero__feature-icon::before {
    transform: translate(-50%, -50%) scale(1.2);
    background: rgba(0,165,207,0.2);
}

/* Enhanced Animations */
@keyframes floatEnhanced {
    0%, 100% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    50% {
        transform: translateY(-20px) rotate(5deg) scale(1.05);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 0%;
    }
    50% {
        background-position: 100% 100%;
    }
    100% {
        background-position: 0% 0%;
    }
}

/* Scroll Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .section, .section--hero {
        margin: 30px 20px;
    }
}

@media (max-width: 768px) {
    .section, .section--hero {
        margin: 20px 10px;
        padding: 30px 15px;
    }

    .hero-content {
        padding: 0 15px;
    }

    .form-container {
        padding: 20px;
        margin: 0 10px;
    }

    .voice-items {
        display: flex;
        flex-direction: column;
        gap: 30px;
        margin: 40px auto;
        max-width: 1000px;
        padding: 0 20px;
    }

    .floating-element {
        display: none;
    }
    
    .hero__feature-icon {
        font-size: 2em;
    }
    
    .hero__feature-icon::before {
        width: 50px;
        height: 50px;
    }

    .hero__features {
        flex-direction: column;
        gap: 15px;
    }

    .hero__feature {
        width: 100%;
        min-width: unset;
    }

    .hero__title {
        font-size: 1.8em;
        padding: 0 10px;
    }

    .hero__subtitle {
        font-size: 1.1em;
        padding: 0 15px;
    }

    .header {
        padding: 30px 15px;
    }

    .header__title {
        font-size: 2em;
    }

    .header__subtitle {
        font-size: 1.2em;
    }
}

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

.hero__cta-button {
    display: inline-block;
    padding: 16px 32px;
    font-size: 1.2em;
    background: linear-gradient(45deg, #00a5cf, #008db2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0,165,207,0.3);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
    position: relative;
    overflow: hidden;
}

.hero__cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,165,207,0.4);
    background: linear-gradient(45deg, #008db2, #00a5cf);
}

.hero__cta-button::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

.hero__image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    animation: float 6s ease-in-out infinite;
}

.hero__image:hover {
    transform: scale(1.02);
}

.cta {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px 20px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.button {
    display: inline-block;
    padding: 14px 24px;
    margin-top: 20px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    font-size: 18px;
    transition: background-color 0.3s, transform 0.2s;
}

.button:hover {
    background-color: #2980b9;
    transform: scale(1.05);
}

ul {
    text-align: left;
    padding-left: 40px;
}

/* List Items */
.list-item {
    margin-bottom: 20px;
    text-align: left;
}

.list-item__title {
    display: block;
    margin-bottom: 5px;
    font-size: 16px;
    color: #555;
}

.faq-item {
    position: relative;
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 20px;
    cursor: pointer;
    overflow: hidden;
}

.faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.faq-item:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.faq-item:hover::before {
    opacity: 0.05;
}

.faq-item strong {
    position: relative;
    z-index: 1;
    color: var(--text-color);
    display: block;
    margin-bottom: 15px;
    font-size: 1.2em;
    transition: color 0.3s ease;
}

.faq-item:hover strong {
    color: var(--primary-color);
}

.voice-item {
    display: flex;
    align-items: center;
    text-align: left;
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    width: 100%;
    position: relative;
}

.voice-item__image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 30px;
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
    position: relative;
}

.voice-item__image::after {
    content: '';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 80%;
    background: linear-gradient(to bottom, 
        rgba(0, 165, 207, 0.1),
        rgba(0, 165, 207, 0.3),
        rgba(0, 165, 207, 0.1)
    );
}

.voice-item__content {
    flex: 1;
    padding-left: 30px;
}

.voice-item__title {
    font-size: 1em;
    color: var(--text-color);
    opacity: 0.8;
    margin: 0 0 10px 0;
}

.voice-item blockquote {
    margin: 0;
    font-size: 1.1em;
    line-height: 1.6;
    color: var(--text-color);
    position: relative;
    padding: 0;
}

@media (max-width: 768px) {
    .voice-items {
        gap: 20px;
        padding: 0 15px;
    }

    .voice-item {
        padding: 20px;
    }

    .voice-item__image {
        width: 80px;
        height: 80px;
        margin-right: 20px;
    }

    .voice-item__image::after {
        right: -20px;
        height: 70%;
    }

    .voice-item__content {
        padding-left: 20px;
    }

    .voice-item__title {
        font-size: 0.9em;
    }

    .voice-item blockquote {
        font-size: 1em;
    }
}

img {
    max-width: 100%;
    height: auto;
    margin: 25px 0;
    border-radius: 10px;
}

.highlight {
    background-color: #fcf2f3;
    border: 2px solid #e60033;
}

.highlight-text {
    color: #e60033;
    font-weight: bold;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background-color: #3498db;
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    display: none;
    cursor: pointer;
}

.sticky-cta:hover {
    background-color: #2980b9;
}

/* Fade-in animation */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease;
}

/* Media Queries for Responsive Design */
@media (max-width: 768px) {
    .section {
        padding: 20px 10px;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.8em;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.hero__feature:nth-child(2) {
    animation-delay: 0.6s;
}

.hero__feature:nth-child(3) {
    animation-delay: 0.8s;
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.loading-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 165, 207, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: 15px;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
}

/* Success Message */
.success-message {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    color: #2e7d32;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
    display: none;
    animation: fadeIn 0.5s ease;
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.1);
    position: relative;
    overflow: hidden;
}

.success-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    animation: shine 2s infinite;
}

@keyframes shine {
    100% {
        transform: translateX(100%);
    }
}

.success-message.visible {
    display: block;
}

/* Animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Form Container Styles */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: visible;
}

.reservation-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.form-group {
    position: relative;
    width: 100%;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 0.9em;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 165, 207, 0.1);
    outline: none;
}

.form-input.error {
    border-color: var(--secondary-color);
}

.error-message {
    display: none;
    color: var(--secondary-color);
    font-size: 0.8em;
    margin-top: 5px;
}

.error-message.visible {
    display: block;
}

.form-submit {
    width: 100%;
    padding: 15px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 165, 207, 0.3);
}

/* Form Progress */
.form-progress {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px auto 40px;
    position: relative;
    max-width: 400px;
    padding: 0 20px;
    min-height: 40px;
    background: white;
}

.form-progress::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 20px;
    right: 20px;
    height: 2px;
    background: #e0e0e0;
    transform: translateY(-50%);
    z-index: 1;
}

.progress-step {
    width: 30px;
    height: 30px;
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    color: #666;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
    margin: 0;
    flex-shrink: 0;
}

.progress-step::after {
    content: attr(data-step);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: #666;
    margin-top: 5px;
    white-space: nowrap;
}

.progress-step.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 0 0 4px rgba(0, 165, 207, 0.1);
}

.progress-step.active::after {
    color: var(--primary-color);
    font-weight: bold;
}

.progress-step.completed {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.progress-step.completed::after {
    color: var(--primary-color);
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .form-progress {
        max-width: 300px;
        padding: 0 15px;
        min-height: 35px;
        margin: 15px auto 30px;
    }

    .progress-step {
        width: 25px;
        height: 25px;
        font-size: 12px;
    }

    .progress-step::after {
        font-size: 10px;
        margin-top: 3px;
    }

    .form-progress::before {
        left: 15px;
        right: 15px;
    }
}

/* Enhanced Color Scheme */
:root {
    --primary-color: #00a5cf;
    --primary-dark: #008db2;
    --secondary-color: #ff6b6b;
    --accent-color: #4ecdc4;
    --text-color: #2c3e50;
    --light-bg: #f8f9fa;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), #ff8e8e);
    --gradient-accent: linear-gradient(135deg, var(--accent-color), #2ecc71);
    --gradient-light: linear-gradient(135deg, #ffffff, #f8f9fa);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Enhanced Interactive Elements */
.hero__feature {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero__feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 0;
}

.hero__feature:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 165, 207, 0.2);
}

.hero__feature:hover::before {
    opacity: 0.1;
}

.hero__feature:hover .hero__feature-icon {
    transform: scale(1.1) rotate(5deg);
    color: var(--primary-color);
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 768px) {
    .hero__features {
        flex-direction: column;
        gap: 15px;
    }

    .hero__feature {
        width: 100%;
        min-width: unset;
    }

    .hero__title {
        font-size: 1.8em;
        padding: 0 10px;
    }

    .hero__subtitle {
        font-size: 1.1em;
        padding: 0 15px;
    }

    .section {
        margin: 20px 10px;
        padding: 20px 15px;
    }

    .form-container {
        padding: 15px;
    }
}

/* Enhanced Animations */
@keyframes floatEnhanced {
    0%, 100% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    50% {
        transform: translateY(-20px) rotate(5deg) scale(1.05);
    }
}

@keyframes pulseEnhanced {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 165, 207, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(0, 165, 207, 0.5);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 165, 207, 0.3);
    }
}

/* Enhanced Form Elements */
.form-input {
    position: relative;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    width: 100%;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 165, 207, 0.1);
    transform: translateY(-2px);
}

.form-input.has-value {
    border-color: var(--primary-color);
    background: rgba(0, 165, 207, 0.02);
}

.form-input.error {
    border-color: var(--secondary-color);
    animation: shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* Confetti Animation */
.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    top: -10px;
    opacity: 0;
    animation: confetti-fall linear forwards;
    z-index: 1000;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Enhanced FAQ Items */
.faq-item p {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    margin: 0;
    padding: 0;
}

.faq-item.active {
    background: var(--light-bg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.faq-item.active p {
    max-height: 1000px;
    padding: 15px 0 0;
}

.faq-item::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active::after {
    transform: translateY(-50%) rotate(45deg);
}

/* Enhanced Form Progress */
.form-progress {
    position: relative;
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
    margin-bottom: 30px;
    overflow: hidden;
}

.form-progress::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--progress, 0%);
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

/* Enhanced Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.loading-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 165, 207, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: 15px;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
}

/* Enhanced Success Message */
.success-message {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    color: #2e7d32;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
    display: none;
    animation: fadeIn 0.5s ease;
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.1);
    position: relative;
    overflow: hidden;
}

.success-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    animation: shine 2s infinite;
}

@keyframes shine {
    100% {
        transform: translateX(100%);
    }
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--gradient-light);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: right 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav ul {
    list-style: none;
    padding: 60px 20px 20px;
    margin: 0;
}

.mobile-nav li {
    margin-bottom: 15px;
}

.mobile-nav a {
    display: block;
    padding: 12px 15px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.1em;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-nav a:hover {
    background: rgba(0, 165, 207, 0.1);
    color: var(--primary-color);
    transform: translateX(5px);
}

/* Mobile Navigation Toggle */
.mobile-nav-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    z-index: 1001;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.mobile-nav-toggle:hover {
    transform: scale(1.1);
}

.mobile-nav-toggle.active {
    background: var(--gradient-secondary);
}

/* LP幅最大化 */
body.lp-page main {
  max-width: 100%;
  width: 100%;
  padding: 0;
  margin: 0;
}

.lp-page .hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Body state when nav is open */
body.nav-open {
    overflow: hidden;
}

body.nav-open::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }

    .header {
        padding: 30px 15px;
    }

    .header__title {
        font-size: 2em;
    }

    .header__subtitle {
        font-size: 1.2em;
    }
}

/* Enhanced Animations */
@keyframes titleFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Enhanced Header Styles */
.header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 40px;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://ikikati.com/wp-content/uploads/2025/05/pattern.jpg') repeat;
    opacity: 0.05;
    z-index: 1;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.8));
    z-index: 2;
}

.header__content {
    position: relative;
    z-index: 3;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.header__title {
    font-size: 3.5em;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.8s ease-out;
}

.header__subtitle {
    font-size: 1.6em;
    color: #666;
    margin-top: 15px;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.header__highlight {
    color: #00a5cf;
    font-weight: 700;
}

/* Floating Elements in Header */
.header .floating-element {
    position: absolute;
    background: rgba(0, 165, 207, 0.1);
    border-radius: 50%;
    z-index: 1;
    animation: float 6s ease-in-out infinite;
}

.header .floating-element:nth-child(1) {
    width: 150px;
    height: 150px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.header .floating-element:nth-child(2) {
    width: 100px;
    height: 100px;
    top: 40%;
    right: 15%;
    animation-delay: 1s;
}

.header .floating-element:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 30%;
    left: 20%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* Media Queries for Header */
@media (max-width: 768px) {
    .header {
        padding: 60px 15px;
    }

    .header__title {
        font-size: 2.5em;
    }

    .header__subtitle {
        font-size: 1.3em;
    }

    .header .floating-element {
        display: none;
    }
}

/* Enhanced Footer Styles */
.footer {
    background: var(--gradient-light);
    padding: 40px 20px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://ikikati.com/wp-content/uploads/2025/05/pattern.jpg') repeat;
    opacity: 0.05;
    z-index: 1;
}

.footer__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.footer__copyright {
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 0.9em;
}

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

.footer__link {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9em;
    padding: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.footer__link:hover {
    color: var(--primary-color);
    background: rgba(0, 165, 207, 0.1);
}

/* Enhanced Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: var(--gradient-primary);
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    box-shadow: var(--shadow-lg);
    display: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sticky-cta i {
    margin-right: 8px;
}

.sticky-cta:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 165, 207, 0.4);
}

/* Promotional Images */
.promo-image {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    margin: 30px auto;
    display: block;
    transition: transform 0.3s ease;
}

.promo-image:hover {
    transform: scale(1.02);
}

/* Solution Section Styles */
.section.solution {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
    padding: 60px 20px;
}

.section.solution::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://ikikati.com/wp-content/uploads/2025/05/pattern.jpg') repeat;
    opacity: 0.03;
    z-index: 1;
}

.solution__content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.solution__title {
    font-size: 2.8em;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    text-align: center;
    width: 100%;
}

.solution__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #00a5cf, #4ecdc4);
    border-radius: 2px;
}

.solution__subtitle {
    font-size: 1.4em;
    color: #666;
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.6;
}

.solution__features {
    display: grid;
    grid-template-areas: 
        "item1 item2 item3"
        "item4 item5 .";
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 0 auto;
    max-width: 900px;
}

.solution__feature {
    background: white;
    padding: 35px 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
}

.solution__feature:nth-child(4),
.solution__feature:nth-child(5) {
    max-width: 280px;
}

.solution__feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #00a5cf, #4ecdc4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solution__feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.solution__feature:hover::before {
    opacity: 1;
}

.solution__feature-icon {
    font-size: 2.5em;
    color: #00a5cf;
    margin-bottom: 20px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 165, 207, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.solution__feature:hover .solution__feature-icon {
    transform: scale(1.1);
    background: rgba(0, 165, 207, 0.15);
}

.solution__feature-text {
    font-size: 1.1em;
    color: #2c3e50;
    line-height: 1.6;
    margin: 0;
}

.solution__cta {
    margin-top: 50px;
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(0, 165, 207, 0.05) 0%, rgba(78, 205, 196, 0.05) 100%);
    border-radius: 20px;
}

.solution__cta-text {
    font-size: 1.3em;
    color: #2c3e50;
    margin-bottom: 25px;
    font-weight: 500;
}

.solution__cta-button {
    display: inline-block;
    padding: 18px 45px;
    background: linear-gradient(45deg, #00a5cf, #4ecdc4);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.2em;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 165, 207, 0.3);
}

.solution__cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 165, 207, 0.4);
}

@media (max-width: 992px) {
    .solution__features {
        grid-template-areas: 
            "item1 item2"
            "item3 item4"
            "item5 item5";
        grid-template-columns: repeat(2, 1fr);
    }

    .solution__feature:nth-child(5) {
        grid-column: span 2;
        max-width: 280px;
    }
}

@media (max-width: 768px) {
    .section.solution {
        padding: 40px 15px;
    }

    .solution__title {
        font-size: 2.2em;
    }

    .solution__subtitle {
        font-size: 1.2em;
        margin-bottom: 30px;
    }

    .solution__features {
        grid-template-areas: 
            "item1"
            "item2"
            "item3"
            "item4"
            "item5";
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .solution__feature {
        max-width: 100%;
    }
}

/* Thank You Page Styles */
.thank-you {
    padding: 4rem 2rem;
    text-align: center;
}

.thank-you__content {
    max-width: 800px;
    margin: 0 auto;
}

.thank-you__icon {
    font-size: 4rem;
    color: #4CAF50;
    margin-bottom: 2rem;
}

.thank-you__message {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.thank-you__next-steps {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 3rem;
}

.thank-you__next-steps h3 {
    margin-bottom: 1.5rem;
    color: #333;
}

.thank-you__next-steps ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

.thank-you__next-steps li {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    text-align: left;
}

.thank-you__next-steps li:last-child {
    margin-bottom: 0;
}

.thank-you__next-steps i {
    font-size: 1.5rem;
    color: #4CAF50;
    margin-right: 1rem;
    width: 2rem;
    text-align: center;
}

.thank-you__notes {
    margin-bottom: 3rem;
    text-align: left;
}

.thank-you__notes h3 {
    margin-bottom: 1rem;
    color: #333;
}

.thank-you__notes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.thank-you__notes li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
}

.thank-you__notes li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #4CAF50;
}

.thank-you__contact {
    margin-bottom: 2rem;
}

.thank-you__contact p {
    margin-bottom: 1rem;
}

.button--secondary {
    background-color: #6c757d;
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.3s;
}

.button--secondary:hover {
    background-color: #5a6268;
}

@media (max-width: 768px) {
    .thank-you {
        padding: 2rem 1rem;
    }

    .thank-you__icon {
        font-size: 3rem;
    }

    .thank-you__message {
        font-size: 1.1rem;
    }

    .thank-you__next-steps {
        padding: 1.5rem;
    }
}

/* LINE Form Page Styles */
.line-form {
    padding: 4rem 2rem;
    text-align: center;
}

.line-form__content {
    max-width: 800px;
    margin: 0 auto;
}

.line-form__subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
}

.line-form__steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 3rem;
}

.line-form__step {
    display: flex;
    flex-direction: column;
    text-align: left;
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    position: relative;
    transition: transform 0.3s ease;
}

.line-form__step:hover {
    transform: translateY(-5px);
}

.line-form__step-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.line-form__step-number {
    width: 40px;
    height: 40px;
    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-right: 1rem;
    flex-shrink: 0;
}

.line-form__step-content {
    flex: 1;
}

.line-form__step-details {
    padding-left: calc(40px + 1rem);
}

.line-form__step-header h3 {
    color: var(--primary-color);
    margin-bottom: 0;
    font-size: 1.3rem;
    text-align: left;
}

.line-form__step-details p {
    margin-bottom: 1rem;
    color: #666;
    text-align: left;
}

.line-form__step-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.line-form__step-details li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #666;
}

.line-form__step-details li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.button--line {
    background: #06C755;
    color: white;
    display: block;
    margin-left: 0;
    margin-right: auto;
    width: fit-content;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.button--line:hover {
    background: #05a548;
    transform: translateY(-2px);
}

.button--line i {
    font-size: 1.5rem;
}

.line-form__notes {
    background: #fff3cd;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    text-align: left;
}

.line-form__notes h3 {
    color: #856404;
    margin-bottom: 1rem;
}

.line-form__notes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.line-form__notes li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: #666;
}

.line-form__notes li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #856404;
}

.line-form__contact {
    margin-bottom: 2rem;
}

.line-form__contact p {
    margin-bottom: 1rem;
    color: #666;
}

@media (max-width: 768px) {
    .line-form {
        padding: 2rem 1rem;
    }

    .line-form__step {
        padding: 1.5rem;
    }

    .line-form__step-number {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
        margin-right: 1rem;
    }

    .line-form__step-header h3 {
        font-size: 1.2rem;
    }

    .line-form__step-details p {
        text-align: left;
    }
    
    .line-form__step-details ul {
        text-align: left;
    }

    .button--line {
        width: 100%;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }
}