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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Yu Gothic", "游ゴシック", "YuGothic", "游ゴシック体", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
    color: #333333;
    background-color: #ffffff;
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 500;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    max-width: 100vw;
}

html {
    overflow-x: hidden;
    width: 100%;
}

/* Typography */
h1, h2, h3 {
    font-family: "Yu Gothic", "游ゴシック", "YuGothic", "游ゴシック体", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
    font-weight: 700;
    line-height: 1.4;
    color: #333333;
}

/* Hero Title - Mincho Font */
.hero-title-line1,
.hero-title-line2 {
    font-family: 'Noto Serif JP', 'Yu Mincho', '游明朝', 'YuMincho', 'ヒラギノ明朝 Pro', serif;
}

.section-title {
    font-family: 'Noto Serif JP', 'Yu Mincho', '游明朝', 'YuMincho', 'ヒラギノ明朝 Pro', serif;
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: #333333;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #ff6e90, #ff3e68);
    border-radius: 2px;
}

/* Navigation */
.navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid #e3e3e3;
    height: 80px;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.nav-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    width: 150px;
    height: 32px;
}

.nav-items {
    display: flex;
    align-items: center;
    gap: 48px;
}

.hamburger {
    display: none;
}

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: #000000;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #ff3e68;
}

.btn-nav {
    background: linear-gradient(135deg, #ff6e90 0%, #ff3e68 100%);
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(255, 62, 104, 0.3);
    transition: all 0.3s ease;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 62, 104, 0.4);
}

/* Buttons */
.btn {
    font-size: 15px;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    letter-spacing: 0.03em;
}

.btn-line {
    background: #05c755;
    color: #ffffff;
    box-shadow: 0px 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-line:hover {
    background: #04a548;
}

.btn-primary-large {
    background: linear-gradient(135deg, #ff6e90 0%, #ff3e68 100%);
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    padding: 22px 48px;
    border-radius: 50px;
    letter-spacing: 0.05em;
    margin: 25px 0;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(255, 62, 104, 0.25);
    transition: all 0.3s ease;
}

.btn-primary-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 62, 104, 0.4);
}

.btn-white {
    background: #ffffff;
    color: #ff3e68;
    font-size: 17px;
    font-weight: 700;
    padding: 18px 42px;
    border-radius: 50px;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(255, 62, 104, 0.15);
    transition: all 0.3s ease;
    border: 2px solid #ff3e68;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 62, 104, 0.3);
}

.btn-line-white {
    background: linear-gradient(135deg, #05c755 0%, #04a548 100%);
    color: #ffffff;
    border: 2px solid #ffffff;
    font-size: 17px;
    font-weight: 600;
    padding: 18px 42px;
    border-radius: 50px;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(5, 199, 85, 0.25);
    transition: all 0.3s ease;
}

.btn-line-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 199, 85, 0.4);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    position: relative;
    width: 100%;
    min-height: 700px;
    padding-bottom: 100px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: visible;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 120%;
    height: 100px;
    background: #ffffff;
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 30px 40px;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
}

.hero-text-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 30px;
    padding: 40px 45px;
    max-width: 550px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    margin-left: 40px;
}

.hero-overlay-text {
    position: absolute;
    bottom: 220px;
    right: 100px;
    z-index: 2;
    transform: rotate(-5deg);
}

.hero-overlay-text img {
    width: 400px;
    height: auto;
    filter: drop-shadow(1px 1px 8px #000);
}

.hero-bottom-info {
    position: absolute;
    bottom: 30px;
    right: 30px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.hero-badge {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    color: #333333;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    box-shadow:
        0 4px 15px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid #FFD700;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.hero-badge::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50px;
    padding: 2px;
    background: linear-gradient(145deg, #FFD700, #FFA500, #FF8C00);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.badge-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(255, 165, 0, 0.4));
}

.hero-title {
    font-weight: 700;
    line-height: 0.9;
    margin-bottom: 15px;
    text-align: center;
}

.hero-title-line1 {
    font-size: 65px;
    display: block;
    letter-spacing: -2px;
    font-weight: 700;
}

.hero-title-line2 {
    font-size: 40px;
    display: block;
    letter-spacing: -1px;
    font-weight: 600;
}

.hero-title .highlight-red {
    background: linear-gradient(135deg, #ff6e90, #df2965);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .highlight-orange {
    color: #ea6208;
}

.hero-center {
    text-align: center;
}

.hero-description {
    font-size: 14px;
    font-weight: 700;
    line-height: 1.8;
    margin: 15px 0;
}

.hero-description p {
    margin-bottom: 8px;
}

.age-restriction {
    font-size: 12px;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.75);
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 600;
    letter-spacing: 0.05em;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

/* Problems Section */
.problems {
    padding: 0px 40px 100px;
    background: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.problem-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    width: 100%;
}

.problem-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 20px;
    border: 2px solid #FFE0EC;
    box-shadow: 0 4px 20px rgba(255, 62, 104, 0.08);
    transition: all 0.3s ease;
}

.problem-item:hover {
    box-shadow: 0 8px 30px rgba(255, 62, 104, 0.15);
    transform: translateY(-5px);
    border-color: #ff3e68;
}

.problem-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6e90, #ff3e68);
    color: #ffffff;
    font-size: 36px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    box-shadow: 0 4px 20px rgba(255, 62, 104, 0.3);
    transition: transform 0.3s ease;
}

.problem-item:hover .problem-number {
    transform: scale(1.1);
}

.problem-content {
    width: 100%;
}

.problem-content h3 {
    font-family: "Yu Gothic", "游ゴシック", "YuGothic", "游ゴシック体", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #333333;
}

.problem-content p {
    font-size: 14px;
    color: #666666;
    line-height: 1.8;
}

/* About Section */
.about {
    padding: 100px 40px;
    background: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
}

.about-image {
    text-align: center;
    margin: 40px 0;
}

.about-image img {
    max-width: 600px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.section-description {
    font-size: 17px;
    line-height: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
    color: #555555;
    font-weight: 500;
}

.feature-icons {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.feature-item {
    text-align: center;
    flex: 0 0 200px;
}

.feature-icon {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-item p {
    font-size: 16px;
    font-weight: 400;
}

/* Safety Section */
.safety {
    padding: 100px 40px;
    background: #fafafa;
    max-width: 1100px;
    margin: 0 auto;
}

.safety-features {
    width: 100%;
}

.safety-row {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.safety-row:last-child {
    margin-bottom: 0;
}

.safety-item {
    text-align: center;
    width: 220px;
    flex: 0 0 220px;
}

.safety-icon {
    width: 200px;
    height: 200px;
    background: #ffffff;
    border-radius: 24px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.safety-item:hover .safety-icon {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.safety-item p {
    font-size: 15px;
    line-height: 1.7;
    color: #555555;
    font-weight: 500;
}

/* Stream Types Section */
.stream-types {
    padding: 100px 40px;
    background: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
}

.stream-image {
    text-align: center;
    margin: 40px 0;
}

.stream-image img {
    max-width: 600px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.stream-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.stream-type {
    text-align: center;
    padding: 30px 20px;
    background: #ffffff;
    border-radius: 16px;
    border: none;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.stream-type:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.stream-icon {
    margin: 0 auto 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stream-type h3 {
    font-family: "Yu Gothic", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.stream-type p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

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

.stream-note p {
    font-size: 12px;
    color: #999;
}

/* Monetization Section */
.monetization {
    padding: 100px 40px;
    background: #fafafa;
    max-width: 1100px;
    margin: 0 auto;
}

.monetization-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.monetization-item {
    text-align: center;
    width: 200px;
    flex: 0 0 200px;
}

.monetization-icon {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
}

.monetization-item h3 {
    font-family: "Yu Gothic", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
    font-size: 18px;
    margin-bottom: 8px;
}

.monetization-item p {
    font-size: 14px;
    color: #828282;
    line-height: 1.5;
}

/* Reasons Section */
.reasons {
    padding: 100px 40px;
    background: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
}

.reasons-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
}

.reason-item {
    display: flex;
    align-items: flex-start;
    gap: 40px;
    padding: 30px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.reason-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.reason-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6e90, #ff3e68);
    color: #ffffff;
    font-size: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reason-content h3 {
    font-family: "Yu Gothic", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #333;
}

.reason-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* Comparison Section */
.comparison {
    padding: 100px 40px;
    background: #fafafa;
    max-width: 1200px;
    margin: 0 auto;
}

.comparison-table {
    margin-top: 40px;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.comparison-table th,
.comparison-table td {
    padding: 15px 20px;
    text-align: center;
    border-bottom: 1px solid #e3e3e3;
}

.comparison-table th {
    background: #f8f9fa;
    font-weight: 600;
    font-size: 16px;
    color: #333;
}

.comparison-table th.fannet-col,
.comparison-table td.fannet-col {
    background: #fff0f3;
    color: #ff3e68;
    font-weight: 600;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
    background: #fafafa;
}

/* Support Section */
.support {
    padding: 50px 20px;
    background: #f8f9fa;
    max-width: 800px;
    margin: 0 auto;
}

.support-content {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    align-items: flex-start;
}

.support-main {
    flex: 2;
}

.support-main h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.support-main p {
    font-size: 16px;
    line-height: 1.6;
    color: #666;
    margin-bottom: 25px;
}

.support-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.support-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.support-icon {
    font-size: 20px;
}

.support-cta {
    flex: 1;
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.support-cta h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

.btn-line-large {
    background: linear-gradient(135deg, #05c755 50%, #04a548 50%);
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    padding: 16px 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(5, 199, 85, 0.3);
}

.btn-line-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 199, 85, 0.4);
}

.support-note {
    font-size: 12px;
    color: #999;
}

/* Offer Section */
.offer {
    padding: 100px 40px;
    background: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
}

.offer-container {
    position: relative;
}

.offer-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

/* リボンバッジ */
.offer-badge-ribbon {
    position: relative;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.ribbon {
    position: relative;
    background: #ff3e68;
    color: white;
    padding: 12px 40px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
}

.ribbon::before,
.ribbon::after {
    content: '';
    position: absolute;
    top: 0;
    width: 0;
    height: 0;
    border-style: solid;
}

.ribbon::before {
    left: -20px;
    border-width: 24px 20px 24px 0;
    border-color: transparent #ff3e68 transparent transparent;
}

.ribbon::after {
    right: -20px;
    border-width: 24px 0 24px 20px;
    border-color: transparent transparent transparent #ff3e68;
}

.offer-title {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
}

.offer-subtitle {
    font-size: 18px;
    color: #ff3e68;
    font-weight: 600;
}

/* 特典リスト */
.offer-benefits {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 35px;
    background: #ffffff;
    border: none;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.benefit-item:hover {
    box-shadow: 0 8px 24px rgba(255, 62, 104, 0.15);
    transform: translateY(-2px);
}

.benefit-badge {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6e90, #ff3e68);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    position: relative;
}

.benefit-badge::after {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 2px solid #ffe0ec;
    border-radius: 50%;
    z-index: -1;
}

.benefit-content {
    flex: 1;
}

.benefit-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.benefit-content p {
    font-size: 16px;
    color: #666;
    line-height: 1.5;
}

.benefit-value {
    flex-shrink: 0;
    background: #ffe0ec;
    color: #ff3e68;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

/* タイトルコンテナ */
.offer-title-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 10px;
}

.title-decoration {
    width: 25px;
    height: 45px;
    flex-shrink: 0;
}

/* 注意書き */
.offer-note {
    text-align: center;
    margin-top: 30px;
}

.offer-note p {
    font-size: 12px;
    background: #f8f9fa;
    padding: 12px 20px;
    border-radius: 6px;
    display: inline-block;
}

/* CTA Section */
.cta-wrapper {
    background: linear-gradient(135deg, #ff6e90 0%, #ff3e68 100%);
    width: 100%;
    margin: 80px 0;
}

.cta {
    padding: 80px 40px;
    text-align: center;
    max-width: 1100px;
    margin: 0 auto;
}

.cta-pink {
    background: transparent;
}

.cta h2 {
    font-family: "Yu Gothic", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
    color: #ffffff;
    font-size: 32px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 60px;
    letter-spacing: -0.96px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 40px;
}

/* Market Section */
.market {
    padding: 100px 40px;
    background: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
}

.market-graph {
    max-width: 800px;
    margin: 60px auto 0;
    text-align: center;
}

.market-graph img {
    width: 100%;
    max-width: 600px;
    height: 250px;
    object-fit: cover;
    border: 4px solid #cfcfcf;
    margin-bottom: 20px;
}

.graph-note {
    font-size: 12px;
    color: #8a8a8a;
}

/* Process Section */
.process {
    padding: 100px 40px;
    background: #fafafa;
    max-width: 1100px;
    margin: 0 auto;
}

.process-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 60px;
    position: relative;
}

.process-step {
    text-align: center;
    width: 250px;
    position: relative;
    flex: 0 1 250px;
    background: #ffffff;
    padding: 30px 20px;
    border-radius: 20px;
    border: 2px solid #FFE0EC;
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(255, 62, 104, 0.15);
    border-color: #ff3e68;
}

.step-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    transition: transform 0.3s ease;
}

.process-step:hover .step-icon {
    transform: scale(1.1);
}

.step-badge {
    background: linear-gradient(135deg, #ff6e90, #ff3e68);
    color: #ffffff;
    font-size: 12px;
    font-weight: 800;
    padding: 8px 24px;
    border-radius: 71px;
    display: inline-block;
    margin: 0 0 15px;
    letter-spacing: 1.2px;
    box-shadow: 0 4px 15px rgba(255, 62, 104, 0.3);
}

.process-step h3 {
    font-family: "Yu Gothic", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
    font-size: 16px;
    margin-bottom: 10px;
}

.process-step p {
    font-size: 13px;
    color: #828282;
    line-height: 1.5;
    padding: 0 10px;
}

.step-arrow {
    font-size: 30px;
    color: #ff3e68;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-step:last-child .step-arrow {
    display: none;
}

/* FAQ Section */
.faq {
    padding: 100px 40px;
    background: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
}

.faq-list {
    max-width: 100%;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border: none;
    margin-bottom: 20px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.36px;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-toggle {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.54px;
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: #f8f9fa;
}

.faq-answer.active {
    max-height: 200px;
    padding: 20px 30px;
}

.faq-answer p {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
    margin: 0;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

/* Mission Section */
.mission {
    padding: 100px 40px;
    background: #fafafa;
    max-width: 1100px;
    margin: 0 auto;
}

.mission-text {
    font-size: 16px;
    line-height: 2.2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    letter-spacing: 0.03em;
    color: #555555;
    font-weight: 500;
}

/* Launch Date Section */
.launch-date {
    padding: 80px 40px;
    background: linear-gradient(135deg, #ff6e90 0%, #ff3e68 100%);
    position: relative;
    overflow: hidden;
}

.launch-date::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.launch-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.launch-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    padding: 8px 24px;
    border-radius: 50px;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.launch-title {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 30px;
    line-height: 1.3;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.launch-description {
    font-size: 17px;
    color: #ffffff;
    line-height: 2;
    font-weight: 500;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Contact Form Section */
.contact-form {
    padding: 100px 40px;
    background: #ffffff;
    max-width: 1100px;
    margin: 0 auto;
    scroll-margin-top: 80px;
}

.form-container {
    max-width: 600px;
    margin: 40px auto 0;
}

.contact-form-inner {
    background: #fafafa;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    max-width: 100%;
    box-sizing: border-box;
}

.form-group {
    margin-bottom: 30px;
}

.form-label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333333;
}

.required {
    color: #ff3e68;
    margin-left: 4px;
}

.form-input,
.form-textarea {
    width: 100%;
    max-width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: #ffffff;
    transition: all 0.3s ease;
    font-family: inherit;
    box-sizing: border-box;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #ff3e68;
    box-shadow: 0 0 0 3px rgba(255, 62, 104, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

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

.form-submit .btn-primary-large {
    min-width: 250px;
}

.form-message {
    margin-top: 30px;
    padding: 20px 30px;
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    border-left: 4px solid #4caf50;
    border-radius: 8px;
    animation: slideIn 0.5s ease-out;
}

.form-message p {
    color: #2e7d32;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.8;
    margin: 0;
    text-align: center;
}

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

/* Footer */
.footer {
    background: #f8f8f8;
    border-top: 1px solid #e8e8e8;
    padding: 60px 40px;
    text-align: center;
}

.footer-logo {
    margin-bottom: 30px;
}

.footer-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    margin-bottom: 40px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
}

.footer-link {
    font-size: 14px;
    font-weight: 500;
    color: #000000;
    text-decoration: none;
}

.footer-info {
    font-size: 12px;
    line-height: 1.5;
}

.footer-info p {
    margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 40px 30px;
    }
    
    .hero-images {
        margin-top: 40px;
    }
    
    .feature-icons,
    .monetization-features {
        flex-wrap: wrap;
    }
    
    .process-steps {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .step-arrow {
        display: none;
    }
    
    .safety-row {
        flex-wrap: wrap;
    }
    
    /* Adjust section paddings */
    .problems, .about, .safety, .stream-types,
    .monetization, .reasons, .comparison,
    .market, .process, .offer, .faq, .mission {
        padding: 80px 30px;
    }
    
    .nav-container {
        padding: 0 30px;
    }
}

/* Tablet Styles */
@media (max-width: 1024px) and (min-width: 769px) {
    /* Hero Section for Tablet */
    .hero {
        margin-top: 80px;
        min-height: 600px;
        padding-top: 130px;
    }

    .hero-background {
        object-fit: cover;
        object-position: 100%;
        top: -25%;
    }

    .hero-content {
        padding: 40px 30px;
        justify-content: center;
    }

    .hero-text-box {
        padding: 35px 40px;
        max-width: 100%;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        margin-left: 0;
    }

    .hero-title-line1 {
        font-size: 50px;
    }

    .hero-title-line2 {
        font-size: 32px;
    }

    .hero-overlay-text {
        display: none;
    }

    .hero-overlay-text img {
        width: 250px;
        filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.5));
    }

    .hero-bottom-info {
        bottom: 20px;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        gap: 10px;
        align-items: center;
    }

    .hero-badge {
        font-size: 10px;
        padding: 10px 18px;
        gap: 6px;
    }

    .badge-icon {
        width: 16px;
        height: 16px;
    }

    .age-restriction {
        font-size: 10px;
        padding: 8px 16px;
    }

    /* CTA Buttons for Tablet */
    .cta-buttons {
        flex-direction: row;
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .btn-white,
    .btn-line-white {
        font-size: 16px;
        padding: 14px 30px;
    }
}

@media (max-width: 768px) {
    /* Adjust section paddings for mobile */
    .problems, .about, .safety, .stream-types,
    .monetization, .reasons, .comparison,
    .market, .process, .offer, .faq, .mission {
        padding: 60px 20px;
    }
    
    .cta {
        padding: 60px 20px;
    }
    
    .cta-wrapper {
        margin: 60px 0;
    }
    
    /* Navigation */
    .navigation {
        height: 60px;
        padding: 0;
    }
    
    .nav-container {
        padding: 0 15px;
        position: relative;
    }
    
    .logo {
        width: 100px;
        height: auto;
    }
    
    .logo img {
        width: 100%;
        height: auto;
    }
    
    .nav-items {
        display: none !important;
        position: absolute;
        top: 47px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        gap: 0;
        padding: 20px;
        border-bottom: 1px solid #e3e3e3;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .nav-items.active {
        display: flex !important;
    }
    
    .nav-link {
        font-size: 16px;
        padding: 12px 0;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-link:last-of-type {
        border-bottom: none;
        margin-bottom: 15px;
    }
    
    .btn-line {
        font-size: 14px;
        padding: 12px 24px;
        align-self: center;
    }
    
    .hamburger {
        display: flex !important;
        flex-direction: column;
        cursor: pointer;
        width: 24px;
        height: 18px;
        justify-content: space-between;
    }
    
    .hamburger span {
        display: block;
        height: 2px;
        background: #333;
        transition: 0.3s;
        width: 100%;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    /* Hero Section */
    .hero {
        margin-top: 60px;
        min-height: 400px;
        padding: 200px 15px 50px;
    }

    .hero::after {
        height: 60px;
    }

    .hero-background {
        object-fit: cover;
        object-position: 80%;
        top: -20%;
    }

    .hero-content {
        padding: 0;
        justify-content: center;
        width: 100%;
    }

    .hero-text-box {
        padding: 30px 25px;
        max-width: 100%;
        width: 100%;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.98);
        margin-left: 0;
    }

    .hero-title {
        margin-bottom: 15px;
    }

    .hero-title-line1 {
        font-size: 43px;
        line-height: 1.1;
    }

    .hero-title-line2 {
        font-size: 26px;
        line-height: 1.1;
    }

    .hero-overlay-text {
        display: none;
    }

    .hero-bottom-info {
        bottom: 15px;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        gap: 8px;
        align-items: center;
    }

    .hero-badge {
        font-size: 9px;
        padding: 8px 14px;
        gap: 4px;
    }

    .badge-icon {
        width: 14px;
        height: 14px;
    }

    .age-restriction {
        font-size: 9px;
        padding: 8px 12px;
    }

    .hero-center {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .btn-primary-large {
        font-size: 16px;
        padding: 16px 30px;
        width: 100%;
        max-width: 300px;
        margin: 10px auto;
    }

    .hero-description {
        font-size: 14px;
        text-align: center;
    }

    .hero-description p {
        margin-bottom: 8px;
    }

    .age-restriction {
        text-align: center;
    }
    
    /* Problems Section */
    .problems {
        margin-top: 30px;
        padding: 0px 20px 60px;
    }

    .problem-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .problem-item {
        padding: 30px 20px;
    }

    .problem-number {
        width: 70px;
        height: 70px;
        font-size: 32px;
        margin-bottom: 20px;
    }

    .problem-content h3 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .problem-content p {
        font-size: 13px;
    }
    
    /* Section Titles */
    .section-title {
        font-size: 22px;
        margin-bottom: 40px;
        padding-bottom: 15px;
    }
    
    .cta h2 {
        font-size: 22px;
    }
    
    .section-description {
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 50px;
    }
    
    /* Comparison Table */
    .comparison {
        padding: 50px 10px;
    }
    
    .comparison-table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .comparison-table table {
        min-width: 600px;
        width: auto;
    }
    
    .comparison-table th,
    .comparison-table td {
        font-size: 13px;
        padding: 10px 15px;
        white-space: nowrap;
    }
    
    /* CTA Buttons */
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .btn-white,
    .btn-line-white {
        font-size: 16px;
        padding: 14px 30px;
        width: 100%;
        max-width: 300px;
    }
    
    /* Safety Features */
    .safety-row {
        gap: 20px;
    }
    
    .safety-item {
        width: 100%;
        max-width: 200px;
    }
    
    /* Stream Types */
    /* About Section (ファンネット(Fannet)とは) */
    .about-image {
        margin: 30px 0;
    }

    .about-image img {
        max-width: 100%;
        border-radius: 12px;
    }

    .feature-icons {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        justify-items: center;
    }
    
    .feature-item {
        flex: none;
        width: auto;
    }
    
    .feature-icon {
        width: 150px;
        height: 150px;
    }
    
    .feature-icon svg {
        width: 150px;
        height: 150px;
    }
    
    /* Safety Section (安心、安全のサービス運用) */
    .safety-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin-bottom: 30px;
        justify-items: center;
    }
    
    .safety-item {
        width: auto;
    }
    
    .safety-icon {
        width: 100px;
        height: 100px;
    }
    
    .safety-icon svg {
        width: 100px;
        height: 100px;
    }
    
    /* Stream Types (どんな配信を行えるのか) */
    .stream-image {
        margin: 30px 0;
    }

    .stream-image img {
        max-width: 100%;
        border-radius: 12px;
    }

    .stream-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .stream-icon {
        width: 60px;
        height: 60px;
    }
    
    .stream-icon svg {
        width: 60px;
        height: 60px;
    }
    
    /* Monetization (しっかり稼げる仕組み) */
    .monetization-features {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        justify-items: center;
    }
    
    .monetization-item {
        width: auto;
        max-width: none;
    }
    
    .monetization-icon {
        width: 150px;
        height: 150px;
    }
    
    .monetization-icon svg {
        width: 150px;
        height: 150px;
    }
    
    /* Process Steps */
    .process-steps {
        flex-direction: column;
        gap: 30px;
    }

    .process-step {
        width: 100%;
        padding: 25px 15px;
    }

    .step-icon svg {
        width: 100px;
        height: 100px;
    }

    .step-arrow {
        display: none;
    }
    
    /* Support Section */
    .support-content {
        flex-direction: column;
        gap: 30px;
    }
    
    /* Offer Section */
    .offer-benefits {
        gap: 15px;
    }
    
    .benefit-item {
        padding: 20px;
    }
    
    .benefit-badge {
        width: 60px;
        height: 60px;
        font-size: 14px;
    }
    
    .benefit-content h4 {
        font-size: 18px;
    }
    
    .benefit-content p {
        font-size: 14px;
    }
    
    /* FAQ */
    .faq-question {
        padding: 15px 20px;
        font-size: 13px;
    }
    
    .faq-answer.active {
        max-height: 300px;
        padding: 15px 20px;
    }
    
    /* Launch Date */
    .launch-date {
        padding: 60px 20px;
    }

    .launch-title {
        font-size: 36px;
        margin-bottom: 20px;
    }

    .launch-description {
        font-size: 15px;
        line-height: 1.9;
    }

    .launch-badge {
        font-size: 12px;
        padding: 6px 18px;
    }

    /* Contact Form */
    .contact-form {
        padding: 60px 20px;
    }

    .contact-form-inner {
        padding: 30px 20px;
    }

    .form-label {
        font-size: 14px;
    }

    .form-input,
    .form-textarea {
        padding: 12px 14px;
        font-size: 14px;
    }

    .form-submit .btn-primary-large {
        width: 100%;
        min-width: auto;
    }

    .form-message {
        margin-top: 20px;
        padding: 15px 20px;
    }

    .form-message p {
        font-size: 14px;
    }

    /* Footer */
    .footer-nav {
        flex-wrap: wrap;
        gap: 20px;
    }

    .footer-link {
        font-size: 12px;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #ff6e90, #ff3e68);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(255, 62, 104, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #ff3e68, #ff1744);
    box-shadow: 0 6px 25px rgba(255, 62, 104, 0.6);
    transform: translateY(-3px);
}

.back-to-top:active {
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
    }
}