/*
Theme Name: どこでもホワイトニング LP
Theme URI: https://example.com/
Author: Your Name
Author URI: https://example.com/
Description: 医療ホワイトニングが自宅で完結 - 高コンバージョン率ランディングページテーマ
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dokodemo-whitening
Tags: landing-page, medical, whitening, conversion-optimized, responsive
*/

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: #333333;
    line-height: 1.8;
    font-size: 16px;
    background-color: #FFFFFF;
    overflow-x: hidden;
}

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: 'Noto Sans JP', sans-serif;
}

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

/* ===================================
   Typography
   =================================== */
.section-title {
    font-size: 32px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 60px;
    line-height: 1.5;
}

.section-title .emphasis {
    color: #0066CC;
    position: relative;
    display: inline-block;
}

.section-title .emphasis::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(transparent 60%, #FFE066 60%);
}

.highlight {
    color: #0066CC;
    font-weight: 700;
}

.highlight-red {
    color: #FF3366;
    font-weight: 700;
}

.highlight-green {
    color: #00C851;
    font-weight: 700;
}

.emphasis {
    font-weight: 700;
}

.sp-only {
    display: none;
}

/* ===================================
   Fixed CTA Button
   =================================== */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #FFFFFF;
    padding: 12px 20px;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
}

.fixed-cta .cta-button {
    width: 100%;
    margin: 0;
}

/* ===================================
   CTA Buttons
   =================================== */
.cta-button {
    background: linear-gradient(135deg, #00C851 0%, #00A040 100%);
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 700;
    padding: 20px 40px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 200, 81, 0.3);
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 200, 81, 0.4);
}

.cta-button i {
    font-size: 24px;
}

.cta-button-large {
    font-size: 20px;
    padding: 24px 48px;
}

.cta-button-xlarge {
    font-size: 22px;
    padding: 28px 56px;
}

.cta-button-red {
    background: linear-gradient(135deg, #FF3366 0%, #CC0033 100%);
    box-shadow: 0 8px 24px rgba(255, 51, 102, 0.3);
}

.cta-button-red:hover {
    box-shadow: 0 12px 32px rgba(255, 51, 102, 0.4);
}

.cta-button-line {
    background: linear-gradient(135deg, #00C851 0%, #00A040 100%);
    box-shadow: 0 8px 24px rgba(0, 200, 81, 0.4);
}

.pulse {
    animation: pulse 2s infinite;
}

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

.section-cta {
    text-align: center;
    margin-top: 60px;
}

.cta-subtext {
    text-align: center;
    margin-top: 20px;
    color: #666666;
    font-size: 16px;
}

.cta-subtext i {
    color: #0066CC;
    margin-right: 8px;
}

.cta-limited {
    text-align: center;
    margin-top: 20px;
    color: #FF3366;
    font-size: 14px;
    font-weight: 700;
}

.cta-limited i {
    margin-right: 6px;
}

/* ===================================
   Animation Classes
   =================================== */
.fade-in {
    animation: fadeIn 1s ease;
}

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

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

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

/* ===================================
   Hero Section
   =================================== */
.hero {
    background: linear-gradient(135deg, #E3F2FD 0%, #FFFFFF 100%);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #FFFFFF;
    padding: 12px 24px;
    border-radius: 50px;
    margin-bottom: 40px;
    font-size: 14px;
    font-weight: 700;
    color: #0066CC;
    box-shadow: 0 4px 16px rgba(0, 102, 204, 0.2);
}

.hero-badge i {
    font-size: 16px;
}

.hero-title {
    margin-bottom: 30px;
}

.hero-title-main {
    display: block;
    font-size: 60px;
    font-weight: 900;
    line-height: 1.3;
    color: #333333;
}

.hero-title-main.highlight {
    font-size: 66px;
    color: #0066CC;
    background: linear-gradient(135deg, #0066CC 0%, #0052A3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.6;
    color: #333333;
    margin-bottom: 20px;
}

.hero-statement {
    font-size: 20px;
    font-weight: 500;
    color: #666666;
    margin-bottom: 50px;
    line-height: 1.8;
}

.hero-features {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: #0066CC;
}

.hero-feature i {
    font-size: 28px;
}

.hero-pricing {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.pricing-item {
    background: #FFFFFF;
    padding: 24px 36px;
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.pricing-label {
    font-size: 14px;
    font-weight: 700;
    color: #FF3366;
    margin-bottom: 12px;
}

.pricing-value {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-large {
    font-size: 42px;
    font-weight: 900;
    color: #0066CC;
}

.price-note {
    font-size: 14px;
    color: #666666;
}

.pricing-divider {
    font-size: 32px;
    font-weight: 900;
    color: #0066CC;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll-indicator i {
    font-size: 32px;
    color: #0066CC;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===================================
   Pain Points Section
   =================================== */
.pain-points {
    padding: 100px 0;
    background: #FFFFFF;
}

.pain-list {
    max-width: 900px;
    margin: 0 auto;
}

.pain-item {
    background: #F8F9FA;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    border-left: 6px solid #FF3366;
    transition: all 0.3s ease;
}

.pain-item:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.pain-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.pain-header i {
    font-size: 32px;
    color: #FF3366;
}

.pain-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333333;
}

.pain-body {
    padding-left: 48px;
}

.pain-reason {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.pain-reason i {
    font-size: 20px;
    color: #666666;
    margin-top: 4px;
}

.pain-reason p {
    font-size: 16px;
    color: #666666;
    line-height: 1.8;
}

.pain-solution {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: #E8F5E9;
    padding: 16px;
    border-radius: 12px;
}

.pain-solution i {
    font-size: 20px;
    color: #00C851;
    margin-top: 4px;
}

.pain-solution p {
    font-size: 16px;
    color: #333333;
    line-height: 1.8;
}

/* ===================================
   Comparison Section
   =================================== */
.comparison {
    padding: 100px 0;
    background: linear-gradient(135deg, #F5F5F5 0%, #FFFFFF 100%);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 50px;
}

.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #FFFFFF;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.comparison-table thead tr {
    background: linear-gradient(135deg, #0066CC 0%, #0052A3 100%);
}

.comparison-table th {
    padding: 24px 16px;
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
}

.comparison-table .comparison-ours {
    background: linear-gradient(135deg, #00C851 0%, #00A040 100%);
    position: relative;
}

.comparison-table tbody tr {
    border-bottom: 1px solid #E0E0E0;
}

.comparison-table tbody tr:last-child {
    border-bottom: none;
}

.comparison-table td {
    padding: 24px 16px;
    text-align: center;
    vertical-align: middle;
}

.comparison-category {
    background: #F8F9FA;
    font-weight: 700;
    color: #333333;
}

.comparison-category i {
    display: block;
    font-size: 24px;
    margin-bottom: 8px;
    color: #0066CC;
}

.comparison-rating {
    font-size: 16px;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 8px;
}

.comparison-rating.good {
    background: #E8F5E9;
    color: #00C851;
}

.comparison-rating.medium {
    background: #FFF3E0;
    color: #FF9800;
}

.comparison-rating.bad {
    background: #FFEBEE;
    color: #FF3366;
}

.comparison-price {
    font-size: 16px;
    font-weight: 700;
    color: #333333;
}

.comparison-detail {
    font-size: 14px;
    color: #666666;
    margin-top: 4px;
}

.comparison-ours .comparison-price,
.comparison-ours .comparison-detail {
    background: rgba(0, 200, 81, 0.1);
    padding: 4px 8px;
    border-radius: 8px;
}

.comparison-conclusion {
    text-align: center;
}

.conclusion-box {
    background: linear-gradient(135deg, #0066CC 0%, #0052A3 100%);
    color: #FFFFFF;
    padding: 40px;
    border-radius: 20px;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 12px 40px rgba(0, 102, 204, 0.3);
}

.conclusion-box h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.conclusion-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 20px;
    font-weight: 700;
}

.conclusion-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 24px;
    border-radius: 12px;
}

.conclusion-multiply,
.conclusion-equal {
    font-size: 28px;
    font-weight: 900;
}

.conclusion-result {
    background: #FFE066;
    color: #0066CC;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 22px;
}

/* ===================================
   ROI Section
   =================================== */
.roi {
    padding: 100px 0;
    background: #FFFFFF;
}

.roi-comparison {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.roi-box {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    background: #F8F9FA;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.roi-clinic {
    border: 3px solid #FF3366;
}

.roi-ours {
    border: 3px solid #00C851;
    background: linear-gradient(135deg, #E8F5E9 0%, #FFFFFF 100%);
}

.roi-label {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
    color: #333333;
}

.roi-label.highlight {
    color: #00C851;
}

.roi-breakdown {
    margin-bottom: 24px;
}

.roi-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-size: 16px;
}

.roi-value {
    font-weight: 700;
    color: #333333;
    font-size: 18px;
}

.roi-note {
    font-size: 14px;
    color: #666666;
    text-align: center;
}

.roi-annual {
    background: #FFEBEE;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
}

.roi-annual-ours {
    background: #E8F5E9;
}

.roi-annual span:first-child {
    display: block;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #333333;
}

.roi-annual-value {
    font-size: 42px;
    font-weight: 900;
    color: #FF3366;
    display: block;
    margin-bottom: 8px;
}

.roi-annual-ours .roi-annual-value {
    color: #00C851;
}

.roi-annual i {
    font-size: 32px;
}

.roi-arrow {
    text-align: center;
}

.roi-discount {
    background: linear-gradient(135deg, #FF3366 0%, #CC0033 100%);
    color: #FFFFFF;
    padding: 24px;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 900;
    box-shadow: 0 8px 24px rgba(255, 51, 102, 0.4);
}

.roi-discount i {
    font-size: 24px;
}

.roi-savings {
    text-align: center;
    margin-bottom: 40px;
}

.savings-box {
    background: linear-gradient(135deg, #FFE066 0%, #FFC107 100%);
    padding: 50px;
    border-radius: 30px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 12px 40px rgba(255, 224, 102, 0.5);
}

.savings-title {
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 16px;
}

.savings-amount {
    font-size: 56px;
    font-weight: 900;
    color: #FF3366;
    margin-bottom: 16px;
}

.savings-subtitle {
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 24px;
}

.savings-text {
    font-size: 18px;
    color: #333333;
}

.roi-message {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    font-size: 18px;
    color: #333333;
    line-height: 2;
}

/* Continue in next part due to length... */

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .fixed-cta {
        display: block;
    }
    
    .section-title {
        font-size: 24px;
        margin-bottom: 40px;
    }
    
    .sp-only {
        display: inline;
    }
    
    .hero {
        padding: 60px 0 80px;
    }
    
    .hero-title-main {
        font-size: 32px;
    }
    
    .hero-title-main.highlight {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
}