/* ==========================================
   CSS Reset & Base Styles
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

ul {
    list-style: none;
}

button,
input,
select,
textarea {
    font-family: inherit;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border-radius: 0;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif JP', serif;
    font-weight: 700;
    line-height: 1.4;
}

strong {
    font-weight: 700;
    color: #2c5282;
}

/* ==========================================
   Container & Layout
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.section {
    padding: 80px 0;
}

.section-gray {
    background-color: #f7fafc;
}

.section-accent {
    background: linear-gradient(135deg, #4299e1 0%, #2c5282 100%);
    color: #fff;
}

.section-accent,
.section-accent *,
.section-accent p,
.section-accent li,
.section-accent h2,
.section-accent h3,
.section-accent h4,
.section-accent .solution-content,
.section-accent .solution-content p,
.section-accent .solution-list,
.section-accent .solution-list li {
    color: #fff !important;
}

.section-accent strong,
.section-accent .emphasis-white strong,
.section-accent p strong {
    color: #fbd38d !important;
    font-weight: 700;
}

.section-warning {
    background-color: #fff5e6;
}

.section-cta {
    background: linear-gradient(135deg, #2c5282 0%, #1a365d 100%);
    color: #fff;
}

/* ==========================================
   Header
   ========================================== */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo h1 {
    font-size: 28px;
    color: #2c5282;
    margin-bottom: 0;
}

.logo-subtitle {
    font-size: 12px;
    color: #718096;
    margin-top: -5px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-size: 15px;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2c5282;
}

.cta-button-small {
    background-color: #f6ad55;
    color: #fff;
    padding: 10px 24px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.cta-button-small:hover {
    background-color: #ed8936;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(246, 173, 85, 0.4);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('../images/parent-child-study.png?v=2') center/cover no-repeat;
    color: #fff;
    text-align: center;
    padding: 100px 20px;
}

.hero *,
.hero p,
.hero h2 {
    color: #fff !important;
}

.hero strong {
    color: #fbd38d !important;
    font-weight: 700;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 82, 130, 0.85) 0%, rgba(26, 54, 93, 0.85) 100%);
}

.hero-container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-title .highlight {
    color: #f6ad55;
    font-size: 56px;
}

.hero-service-name {
    font-size: 24px;
    font-weight: 600;
    color: #fbd38d !important;
    margin-bottom: 40px;
    letter-spacing: 1px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

.hero-main-message {
    margin-bottom: 30px;
}

.hero-text-large {
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: 500;
}

.hero-text-emphasis {
    font-size: 32px;
    font-weight: 700;
    color: #fbd38d;
    margin-bottom: 0;
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #fff !important;
}

.hero-description strong {
    color: #fbd38d !important;
}

.cta-button {
    display: inline-block;
    background-color: #f6ad55;
    color: #fff;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    margin-top: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(246, 173, 85, 0.4);
}

.cta-button:hover {
    background-color: #ed8936;
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(246, 173, 85, 0.5);
}

/* ==========================================
   Trust Message Section
   ========================================== */
.trust-message {
    background-color: #e6fffa;
    padding: 50px 0;
    text-align: center;
}

.trust-content {
    max-width: 700px;
    margin: 0 auto;
}

.trust-icon {
    font-size: 48px;
    color: #38b2ac;
    margin-bottom: 20px;
}

.trust-content h3 {
    font-size: 28px;
    color: #2c5282;
    margin-bottom: 15px;
}

.trust-content p {
    font-size: 18px;
    color: #4a5568;
}

/* ==========================================
   Section Headers
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-description {
    font-size: 16px;
    color: #718096;
    margin-top: 15px;
    line-height: 1.8;
}

.section-title {
    font-size: 36px;
    color: #2c5282;
    margin-bottom: 20px;
}

.section-title-white {
    font-size: 36px;
    color: #fff !important;
    margin-bottom: 10px;
    text-align: center;
}

.section-subtitle {
    font-size: 28px;
    color: #4299e1;
    margin-bottom: 30px;
    text-align: center;
}

.section-subtitle-large {
    font-size: 32px;
    color: #fbd38d !important;
    margin-bottom: 40px;
    font-weight: 700;
    text-align: center;
}

/* ==========================================
   Problem Section
   ========================================== */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.problem-card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    max-width: 400px;
    margin: 0 auto;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.problem-icon {
    font-size: 48px;
    color: #f6ad55;
    margin-bottom: 20px;
}

.problem-card p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
}

.problem-message {
    text-align: center;
    padding: 40px;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.problem-message p {
    font-size: 20px;
    color: #2c5282;
}

/* ==========================================
   Content Blocks
   ========================================== */
.content-block {
    max-width: 1000px;
    margin: 0 auto;
}

.content-block-centered {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.image-text-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}

.image-text-layout.reverse {
    direction: rtl;
}

.image-text-layout.reverse > * {
    direction: ltr;
}

.image-block img {
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.text-block {
    font-size: 17px;
    line-height: 1.9;
}

.text-block p {
    margin-bottom: 20px;
}

.feature-list {
    margin: 20px 0;
    padding-left: 20px;
}

.feature-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    font-size: 17px;
}

.feature-list li:before {
    content: "●";
    position: absolute;
    left: 0;
    color: #4299e1;
    font-size: 12px;
}

.quote {
    background-color: #edf2f7;
    border-left: 5px solid #4299e1;
    padding: 25px 30px;
    margin: 30px 0;
    border-radius: 8px;
}

.quote p {
    font-size: 20px;
    font-weight: 600;
    color: #2c5282;
    margin-bottom: 0;
}

.emphasis {
    font-size: 19px;
    color: #2c5282;
    font-weight: 600;
    margin-top: 30px;
}

.emphasis-white {
    font-size: 19px;
    color: #fff !important;
    font-weight: 600;
    margin-top: 30px;
}

.emphasis-white * {
    color: #fff !important;
}

/* ==========================================
   Solution Section
   ========================================== */
.solution-content {
    margin-top: 40px;
}

.solution-image {
    max-width: 600px;
    width: 100%;
    min-height: 200px;
    margin: 0 auto 40px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    display: block;
    object-fit: cover;
}

.solution-content p {
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 25px;
    color: #fff !important;
}

.solution-list {
    max-width: 600px;
    margin: 30px auto;
    text-align: left;
}

.solution-list li {
    font-size: 18px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: #fff !important;
}

.solution-list i {
    color: #fbd38d;
    font-size: 20px;
}

/* ==========================================
   Benefit Lists
   ========================================== */
.benefit-list {
    margin: 25px 0;
}

.benefit-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 17px;
    font-weight: 500;
}

.benefit-list i {
    color: #f6ad55;
    font-size: 18px;
}

/* ==========================================
   Trial Section
   ========================================== */
.trial-content {
    margin-top: 40px;
}

.trial-image {
    max-width: 600px;
    width: 100%;
    min-height: 200px;
    margin: 0 auto 40px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    display: block;
    object-fit: cover;
}

.trial-list {
    max-width: 500px;
    margin: 30px auto;
    text-align: left;
}

.trial-list li {
    font-size: 18px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.trial-list i {
    color: #4299e1;
    font-size: 20px;
}

.testimonial {
    background-color: #fff;
    padding: 40px;
    border-radius: 15px;
    margin-top: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    position: relative;
}

.quote-icon {
    font-size: 36px;
    color: #e2e8f0;
    position: absolute;
    top: 20px;
    left: 20px;
}

.testimonial-text {
    font-size: 22px;
    font-weight: 600;
    color: #2c5282;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.testimonial-note {
    font-size: 15px;
    color: #718096;
    margin-bottom: 0;
}

/* ==========================================
   Support Section
   ========================================== */
.support-content {
    margin-top: 40px;
}

.support-image {
    max-width: 600px;
    width: 100%;
    min-height: 200px;
    margin: 0 auto 40px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    display: block;
    object-fit: cover;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin: 40px auto;
    max-width: 1000px;
}

.support-item {
    background-color: #f7fafc;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    max-width: 350px;
    margin: 0 auto;
}

.support-item:hover {
    background-color: #e6fffa;
    transform: translateY(-3px);
}

.support-icon {
    font-size: 42px;
    color: #4299e1;
    margin-bottom: 15px;
}

.support-item h4 {
    font-size: 16px;
    color: #2c5282;
    font-weight: 600;
}

/* ==========================================
   Warning Section
   ========================================== */
.warning-box {
    background-color: #fff;
    padding: 50px 40px;
    border-radius: 15px;
    border: 3px solid #f6ad55;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.warning-icon {
    font-size: 56px;
    color: #f6ad55;
    margin-bottom: 20px;
}

.warning-box h3 {
    font-size: 28px;
    color: #2c5282;
    margin-bottom: 25px;
}

.warning-box p {
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 20px;
}

.warning-emphasis {
    font-size: 20px;
    color: #2c5282;
    font-weight: 700;
    margin-top: 30px;
}

/* ==========================================
   About Section
   ========================================== */
.about-box {
    background: linear-gradient(135deg, #4299e1 0%, #2c5282 100%);
    color: #fff;
    padding: 60px 50px;
    border-radius: 15px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-box h3 {
    font-size: 30px;
    margin-bottom: 25px;
    color: #fff !important;
}

.about-box p {
    font-size: 18px;
    line-height: 1.9;
    margin-bottom: 20px;
    color: #fff !important;
}

.about-box strong {
    color: #fde047 !important;
    font-weight: 700;
}

/* ==========================================
   Why Difficult Section
   ========================================== */
.why-difficult {
    background: linear-gradient(to bottom, #fff 0%, #f7fafc 100%);
    padding: 80px 0;
}

.why-content {
    max-width: 1000px;
    margin: 0 auto;
}

.why-title {
    font-size: 38px;
    color: #2c5282;
    text-align: center;
    margin-bottom: 15px;
    line-height: 1.4;
    font-weight: 700;
}

.why-subtitle {
    font-size: 18px;
    color: #718096;
    text-align: center;
    margin-bottom: 50px;
}

.why-reasons {
    display: grid;
    gap: 30px;
    margin-bottom: 50px;
}

.reason-card {
    background-color: #fff;
    padding: 35px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.reason-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.reason-card.highlight {
    border: 3px solid #f6ad55;
    background: linear-gradient(to bottom, #fff 0%, #fffaf0 100%);
}

.reason-icon {
    font-size: 48px;
    color: #4299e1;
    margin-bottom: 20px;
}

.reason-card.highlight .reason-icon {
    color: #f6ad55;
}

.reason-card h3 {
    font-size: 22px;
    color: #2c5282;
    margin-bottom: 15px;
    font-weight: 700;
}

.reason-card p {
    font-size: 16px;
    line-height: 1.9;
    color: #4a5568;
    margin-bottom: 20px;
}

.parent-voice {
    background-color: #e6fffa;
    padding: 20px 25px;
    border-left: 4px solid #38b2ac;
    border-radius: 8px;
    margin-top: 20px;
}

.parent-voice p {
    font-size: 16px;
    color: #2c5282;
    font-style: italic;
    margin-bottom: 10px;
}

.parent-voice i {
    color: #38b2ac;
    margin-right: 8px;
}

.parent-voice cite {
    font-size: 14px;
    color: #718096;
    font-style: normal;
}

.difficulty-note {
    background-color: #fff5e6;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.difficulty-note strong {
    color: #d97706;
    font-size: 15px;
    display: block;
    margin-bottom: 8px;
}

.difficulty-note p {
    margin-bottom: 0;
    font-size: 15px;
}

.empathy-message {
    background: linear-gradient(135deg, #4299e1 0%, #2c5282 100%);
    padding: 40px;
    border-radius: 15px;
    display: flex;
    gap: 30px;
    align-items: start;
    box-shadow: 0 8px 30px rgba(44, 82, 130, 0.3);
}

.empathy-icon {
    font-size: 64px;
    color: #fbd38d;
    flex-shrink: 0;
}

.empathy-text h3 {
    font-size: 24px;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 700;
}

.empathy-text p {
    font-size: 17px;
    line-height: 1.9;
    color: #fff;
    margin-bottom: 15px;
}

.g-stars-approach {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #fbd38d;
    margin-top: 20px !important;
}

/* ==========================================
   Producer Section
   ========================================== */
.producer-profile {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 50px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
    background-color: #fff;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.producer-image {
    position: relative;
}

.producer-image img {
    width: 100%;
    display: block;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.producer-content h3 {
    font-size: 32px;
    color: #2c5282;
    margin-bottom: 10px;
}

.producer-title {
    font-size: 16px;
    color: #4299e1;
    font-weight: 600;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
}

.producer-description {
    margin-bottom: 30px;
}

.producer-description p {
    font-size: 16px;
    line-height: 1.9;
    color: #4a5568;
    margin-bottom: 15px;
}

.producer-message {
    background: linear-gradient(135deg, #e6fffa 0%, #b2f5ea 100%);
    padding: 25px 30px;
    border-radius: 12px;
    border-left: 5px solid #38b2ac;
}

.message-title {
    font-size: 16px;
    font-weight: 700;
    color: #2c5282;
    margin-bottom: 15px;
}

.message-title i {
    margin-right: 8px;
    color: #38b2ac;
}

.producer-message p:last-child {
    font-size: 16px;
    line-height: 1.9;
    color: #2c5282;
    margin-bottom: 0;
    font-weight: 500;
}

/* ==========================================
   Teachers Section
   ========================================== */
.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.teacher-card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    max-width: 450px;
    margin: 0 auto;
}

.teacher-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.teacher-number {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4299e1 0%, #2c5282 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    font-family: 'Noto Serif JP', serif;
}

.teacher-icon {
    font-size: 64px;
    color: #4299e1;
    margin-bottom: 25px;
}

.teacher-card h3 {
    font-size: 22px;
    color: #2c5282;
    margin-bottom: 20px;
    line-height: 1.5;
}

.teacher-card p {
    font-size: 16px;
    line-height: 1.9;
    color: #4a5568;
}

/* ==========================================
   Pricing Section
   ========================================== */
.pricing-intro {
    text-align: center;
    margin-bottom: 50px;
}

.entrance-fee {
    background: linear-gradient(135deg, #e6fffa 0%, #b2f5ea 100%);
    padding: 30px 40px;
    border-radius: 15px;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.entrance-fee h3 {
    font-size: 20px;
    color: #2c5282;
    margin-bottom: 15px;
}

.entrance-fee h3 i {
    margin-right: 8px;
    color: #38b2ac;
}

.price-large {
    font-size: 36px;
    font-weight: 700;
    color: #2c5282;
    font-family: 'Noto Serif JP', serif;
}

.tax {
    font-size: 16px;
    color: #718096;
    font-weight: 400;
    margin-left: 10px;
}

.pricing-subtitle {
    font-size: 28px;
    color: #2c5282;
    text-align: center;
    margin-bottom: 40px;
    font-family: 'Noto Serif JP', serif;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background-color: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.pricing-card.recommended {
    border: 3px solid #f6ad55;
}

.recommended-badge {
    position: absolute;
    top: 15px;
    right: -35px;
    background-color: #f6ad55;
    color: #fff;
    padding: 5px 50px;
    font-size: 14px;
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(246, 173, 85, 0.5);
}

.pricing-header {
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
    padding: 25px 20px;
    text-align: center;
}

.pricing-header.star {
    background: linear-gradient(135deg, #fbd38d 0%, #f6ad55 100%);
}

.pricing-header.pro {
    background: linear-gradient(135deg, #4299e1 0%, #2c5282 100%);
}

.pricing-header.pro h4 {
    color: #fff;
}

.pricing-header.pro-star {
    background: linear-gradient(135deg, #9f7aea 0%, #6b46c1 100%);
}

.pricing-header.pro-star h4 {
    color: #fff;
}

.pricing-header h4 {
    font-size: 20px;
    color: #2c5282;
    font-weight: 700;
    margin: 0;
}

.star-badge {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    margin-top: 5px;
}

.star-badge i {
    margin-right: 5px;
}

.pricing-body {
    padding: 30px 20px;
}

.price-item {
    padding: 20px 0;
    border-bottom: 1px solid #e2e8f0;
}

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

.duration {
    font-size: 15px;
    color: #718096;
    margin-bottom: 10px;
}

.price {
    font-size: 26px;
    font-weight: 700;
    color: #2c5282;
    font-family: 'Noto Serif JP', serif;
}

.tax-inline {
    font-size: 14px;
    color: #a0aec0;
    font-weight: 400;
    display: block;
    margin-top: 5px;
}

.pricing-note {
    background-color: #e6fffa;
    padding: 25px 30px;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 30px;
}

.pricing-note p {
    font-size: 17px;
    color: #2c5282;
    font-weight: 500;
    margin: 0;
}

.pricing-note i {
    color: #38b2ac;
    margin-right: 8px;
}

.teacher-category-detail {
    background-color: #f7fafc;
    padding: 40px 30px;
    border-radius: 12px;
    margin-top: 40px;
}

.teacher-category-detail h3 {
    font-size: 24px;
    color: #2c5282;
    margin-bottom: 15px;
    text-align: center;
}

.teacher-category-detail h3 i {
    margin-right: 10px;
    color: #4299e1;
}

.category-note {
    font-size: 15px;
    color: #718096;
    text-align: center;
    margin-bottom: 30px;
}

.category-table-wrapper {
    overflow-x: auto;
    margin: 30px 0;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

.category-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.category-table thead {
    background: linear-gradient(135deg, #4299e1 0%, #2c5282 100%);
    color: #fff;
}

.category-table th {
    padding: 18px 15px;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.category-table th:last-child {
    border-right: none;
}

.category-table .rank-column {
    width: 180px;
    text-align: left;
}

.category-table td {
    padding: 20px 15px;
    font-size: 14px;
    line-height: 1.6;
    color: #4a5568;
    border-bottom: 1px solid #e2e8f0;
    border-right: 1px solid #e2e8f0;
    text-align: center;
}

.category-table td:last-child {
    border-right: none;
}

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

.category-table .rank-label {
    font-weight: 700;
    color: #2c5282;
    background-color: #f7fafc;
    text-align: left;
}

.category-table .star-row {
    background-color: #fffaf0;
}

.star-badge-small {
    display: inline-block;
    font-size: 13px;
    color: #f6ad55;
    font-weight: 600;
}

.star-badge-small i {
    margin-right: 3px;
}

.category-note-bottom {
    background-color: #e6fffa;
    padding: 15px 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.category-note-bottom p {
    font-size: 14px;
    color: #2c5282;
    margin: 0;
}

.category-note-bottom i {
    color: #38b2ac;
    margin-right: 8px;
}

/* ==========================================
   Flow Section
   ========================================== */
.flow-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.flow-step {
    background-color: #fff;
    padding: 30px 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 30px;
    transition: all 0.3s ease;
}

.flow-step:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.15);
}

.flow-number {
    min-width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4299e1 0%, #2c5282 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    font-family: 'Noto Serif JP', serif;
    flex-shrink: 0;
}

.flow-content {
    flex: 1;
}

.flow-content h3 {
    font-size: 20px;
    color: #2c5282;
    margin-bottom: 10px;
}

.flow-content h3 i {
    margin-right: 10px;
    color: #4299e1;
}

.flow-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 5px;
}

.flow-note {
    font-size: 14px;
    color: #a0aec0;
    font-style: italic;
}

.flow-arrow {
    text-align: center;
    padding: 20px 0;
    color: #4299e1;
    font-size: 32px;
}

/* ==========================================
   FAQ Section
   ========================================== */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: #fff;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: #fff;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f7fafc;
}

.faq-question i.fa-question-circle {
    font-size: 24px;
    color: #4299e1;
    flex-shrink: 0;
}

.faq-question h3 {
    flex: 1;
    font-size: 18px;
    color: #2c5282;
    margin: 0;
    font-weight: 600;
}

.faq-toggle {
    color: #a0aec0;
    font-size: 18px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    background-color: #f7fafc;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 25px 30px;
}

.faq-answer p {
    font-size: 16px;
    line-height: 1.9;
    color: #4a5568;
    margin: 0;
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    color: #fff;
    margin-bottom: 15px;
}

.cta-subtitle {
    font-size: 36px;
    color: #fbd38d;
    margin-bottom: 30px;
}

.cta-text {
    font-size: 20px;
    margin-bottom: 40px;
}

.cta-button-large {
    display: inline-block;
    background-color: #f6ad55;
    color: #fff;
    padding: 22px 50px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(246, 173, 85, 0.4);
}

.cta-button-large:hover {
    background-color: #ed8936;
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(246, 173, 85, 0.5);
}

.cta-button-large i {
    margin-right: 10px;
}

/* ==========================================
   Contact Form
   ========================================== */
.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background-color: #fff;
    padding: 50px 40px;
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.form-title {
    font-size: 32px;
    color: #2c5282;
    text-align: center;
    margin-bottom: 15px;
}

.form-description {
    text-align: center;
    color: #718096;
    font-size: 16px;
    margin-bottom: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 15px;
    font-weight: 600;
    color: #2c5282;
    margin-bottom: 8px;
}

.required {
    color: #e53e3e;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: 'Noto Sans JP', sans-serif;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 100%;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* Form Section Headers */
.form-section-header {
    margin: 35px 0 25px;
    padding: 20px;
    background: linear-gradient(135deg, #e6fffa 0%, #b2f5ea 100%);
    border-radius: 10px;
    border-left: 5px solid #38b2ac;
}

.form-section-header h3 {
    font-size: 18px;
    color: #2c5282;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-section-header h3 i {
    margin-right: 10px;
    color: #38b2ac;
}

.form-note {
    font-size: 14px;
    color: #718096;
    margin: 0;
}

/* Preference Groups */
.preference-group {
    margin-bottom: 20px;
}

.preference-group label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.optional-label {
    font-size: 13px;
    color: #a0aec0;
    font-weight: 400;
}

.preference-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.preference-select {
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: 'Noto Sans JP', sans-serif;
    transition: all 0.3s ease;
    background-color: #fff;
}

.preference-select:focus {
    outline: none;
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.form-submit {
    margin-top: 20px;
}

.submit-button {
    width: 100%;
    background-color: #f6ad55;
    color: #fff;
    padding: 18px 30px;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(246, 173, 85, 0.4);
}

.submit-button:hover {
    background-color: #ed8936;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(246, 173, 85, 0.5);
}

.submit-button i {
    margin-right: 10px;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background-color: #c6f6d5;
    color: #22543d;
    border: 2px solid #38a169;
    display: block;
}

.form-message.error {
    background-color: #fed7d7;
    color: #742a2a;
    border: 2px solid #e53e3e;
    display: block;
}

/* ==========================================
   SEO Content Section
   ========================================== */
.seo-content {
    background-color: #f7fafc;
    padding: 60px 0;
}

.seo-text {
    max-width: 900px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.9;
    color: #4a5568;
}

.seo-text h2 {
    font-size: 24px;
    color: #2c5282;
    margin-bottom: 20px;
    font-weight: 700;
}

.seo-text h3 {
    font-size: 20px;
    color: #2c5282;
    margin-top: 35px;
    margin-bottom: 15px;
    font-weight: 700;
}

.seo-text p {
    margin-bottom: 20px;
}

.seo-text strong {
    color: #2c5282;
    font-weight: 700;
}

.seo-list {
    margin: 20px 0;
    padding-left: 25px;
}

.seo-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: #4a5568;
}

.seo-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4299e1;
    font-weight: 700;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background-color: #2d3748;
    color: #cbd5e0;
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo h3 {
    font-size: 28px;
    color: #fff;
    margin-bottom: 5px;
}

.footer-logo p {
    font-size: 14px;
    color: #a0aec0;
}

.footer-info p {
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #4a5568;
}

.footer-bottom p {
    font-size: 13px;
    color: #a0aec0;
}

/* ==========================================
   Scroll to Top Button
   ========================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    min-width: 50px;
    min-height: 50px;
    background-color: #4299e1;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(66, 153, 225, 0.4);
    z-index: 999;
    -webkit-tap-highlight-color: transparent;
}

.scroll-top:hover,
.scroll-top:active {
    background-color: #2c5282;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(66, 153, 225, 0.5);
}

.scroll-top.show {
    display: flex;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (min-width: 769px) and (max-width: 1200px) {
    /* Pricing Grid - 2 columns for tablets */
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
    }
}

@media (max-width: 768px) {
    /* Container */
    .container {
        padding: 0 16px;
    }
    
    /* Navigation */
    .nav {
        display: none;
    }
    
    .logo h1 {
        font-size: 22px;
        line-height: 1.2;
    }
    
    .logo-subtitle {
        font-size: 11px;
    }
    
    /* Hero */
    .hero {
        min-height: 100vh;
        max-height: 700px;
        padding: 80px 16px 60px;
    }
    
    .hero-badge {
        font-size: 12px;
        padding: 6px 16px;
        margin-bottom: 16px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-title .highlight {
        font-size: 38px;
    }
    
    .hero-service-name {
        font-size: 18px;
        margin-bottom: 30px;
    }
    
    .hero-text-large {
        font-size: 22px;
    }
    
    .hero-text-emphasis {
        font-size: 26px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .cta-button {
        padding: 16px 32px;
        font-size: 16px;
        width: 100%;
        max-width: 320px;
        min-height: 52px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Sections */
    .section {
        padding: 50px 0;
    }
    
    .section p {
        font-size: 15px;
        line-height: 1.9;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-title-white {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 22px;
    }
    
    .section-subtitle-large {
        font-size: 26px;
    }
    
    /* Problem Grid */
    .problem-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Image Text Layout */
    .image-text-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .image-text-layout.reverse {
        direction: ltr;
    }
    
    /* Support Grid */
    .support-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Producer Profile */
    .producer-profile {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 25px;
    }
    
    /* Teachers Grid */
    .teachers-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    /* Pricing Grid */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Flow Step */
    .flow-step {
        flex-direction: column;
        text-align: center;
        padding: 25px 20px;
    }
    
    .flow-arrow {
        font-size: 24px;
        padding: 10px 0;
    }
    
    /* Why Difficult */
    .why-title {
        font-size: 28px;
    }
    
    .empathy-message {
        flex-direction: column;
        padding: 30px 25px;
        text-align: center;
    }
    
    .empathy-icon {
        font-size: 48px;
    }
    
    .empathy-text h3 {
        font-size: 20px;
    }
    
    /* Category Table */
    .category-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -16px;
        padding: 0 16px;
    }
    
    .category-table {
        font-size: 12px;
        min-width: 600px;
    }
    
    .category-table th,
    .category-table td {
        padding: 10px 6px;
        font-size: 12px;
    }
    
    .category-table .rank-column {
        width: 100px;
    }
    
    /* CTA */
    .cta-title {
        font-size: 28px;
        line-height: 1.4;
    }
    
    .cta-subtitle {
        font-size: 24px;
        line-height: 1.4;
    }
    
    .cta-text {
        font-size: 16px;
        line-height: 1.8;
    }
    
    .cta-button-large {
        padding: 18px 35px;
        font-size: 18px;
        width: 100%;
        max-width: 340px;
        min-height: 56px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Form */
    .form-wrapper {
        padding: 40px 20px;
    }
    
    .form-title {
        font-size: 24px;
        line-height: 1.4;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 16px !important;
        min-height: 48px;
        padding: 12px 16px;
    }
    
    .form-group textarea {
        min-height: 120px;
    }
    
    .submit-button {
        min-height: 56px;
        font-size: 18px;
        width: 100%;
    }
    
    /* Preference Inputs */
    .preference-inputs {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .form-section-header {
        padding: 16px;
    }
    
    .form-section-header h3 {
        font-size: 16px;
        line-height: 1.4;
    }
    
    .preference-group label {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .preference-group select {
        min-height: 48px;
        font-size: 16px !important;
    }
    
    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-info p {
        font-size: 14px;
        line-height: 1.8;
    }
    
    .footer-bottom {
        font-size: 12px;
    }
    
    /* Scroll Top */
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .hero {
        padding: 70px 12px 50px;
    }
    
    .hero-title {
        font-size: 26px;
        line-height: 1.3;
    }
    
    .hero-title .highlight {
        font-size: 30px;
    }
    
    .hero-service-name {
        font-size: 16px;
        margin-bottom: 24px;
    }
    
    .hero-text-large {
        font-size: 20px;
    }
    
    .hero-text-emphasis {
        font-size: 23px;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section-title {
        font-size: 22px;
        line-height: 1.4;
    }
    
    .section-subtitle {
        font-size: 20px;
    }
    
    .form-wrapper {
        padding: 30px 16px;
    }
    
    .cta-button,
    .cta-button-large {
        padding: 16px 24px;
        font-size: 16px;
    }
    
    .problem-card h3,
    .teacher-card h3 {
        font-size: 18px;
    }
    
    .reason-card h4 {
        font-size: 17px;
    }
}

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

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

/* ==========================================
   Accessibility
   ========================================== */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #4299e1;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}