* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #fefaf5;        /* 和紙のような温かみのある白 */
    --accent-sand: #f3e9de;        /* 砂色  */
    --text-charcoal: #2e2b27;      /* 濃いグレー  */
    --soft-black: #1e1b17;
    --golden-nude: #d9b38c;        /* アクセント金・ヌードカラー */
    --japanese-red: #bc002c;        /* 日系の落ち着いた赤 (細部に) */
    --border-soft: #e2d9cf;
    --card-bg: #ffffffda;
    --btn-yellow: #ffcd4d;          /* 黃色 */
    --btn-yellow-hover: #f5c13b;
    --btn-dark: #1e1b17;
    --shadow-sm: 0 8px 20px rgba(0,0,0,0.02), 0 2px 6px rgba(0,0,0,0.05);
    --shadow-md: 0 15px 30px rgba(0,0,0,0.04), 0 5px 10px rgba(0,0,0,0.02);
    --border-radius-card: 24px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    --font-serif: 'Noto Serif JP', 'Times New Roman', serif;  /* 和風セリフ */
}

body {
    background-color: var(--primary-bg);
    color: var(--text-charcoal);
    font-family: var(--font-sans);
    line-height: 1.7;
    font-size: 1rem;
    scroll-behavior: smooth;
}

h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 450;
    letter-spacing: 0.02em;
}

h2 {
    font-size: 2.1rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}
h2:after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--golden-nude);
    margin-top: 0.4rem;
    transition: width 0.4s;
}
h2:hover:after {
    width: 100px;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header / 第一屏醒目引流 */
.hero-section {
    background: linear-gradient(145deg, #fffaf2 0%, #f7efe5 100%);
    padding: 3rem 0 3.5rem;
    border-bottom: 1px solid var(--border-soft);
    position: relative;
    text-align: center;
}

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

.domain-badge {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--soft-black);
    background: rgba(255,255,240,0.6);
    padding: 0.2rem 1.8rem;
    border-radius: 40px;
    border: 1px solid var(--golden-nude);
    display: inline-block;
    margin-bottom: 1rem;
    backdrop-filter: blur(3px);
}
.domain-badge i {
    color: var(--japanese-red);
    font-size: 1rem;
    margin-right: 0.3rem;
}

h1 {
    font-size: 4rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}
.sub-headline {
    font-size: 1.6rem;
    font-family: var(--font-serif);
    color: #4f4a45;
    margin-bottom: 2rem;
    border-bottom: 1px dashed var(--golden-nude);
    padding-bottom: 0.5rem;
    display: inline-block;
}

/* CTA 按钮区域 */
.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin: 2.5rem 0 0.5rem;
}

.btn-primary {
    background-color: var(--btn-yellow);
    color: #1e1b17 !important;
    padding: 1rem 2.8rem;
    font-size: 1.5rem;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 10px 15px -8px rgba(0,0,0,0.2);
    border: 1px solid #e0a82b;
    transition: all 0.2s;
    letter-spacing: 0.1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}
.btn-primary i {
    font-size: 1.8rem;
}
.btn-primary:hover {
    background-color: #ffc107;
    transform: translateY(-4px);
    box-shadow: 0 20px 20px -10px rgba(188, 0, 44, 0.1);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--text-charcoal);
    color: var(--text-charcoal);
    padding: 0.8rem 2rem;
    font-size: 1.2rem;
    border-radius: 40px;
    font-weight: 500;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}
.btn-outline i {
    font-size: 1.2rem;
}
.btn-outline:hover {
    background: var(--text-charcoal);
    color: #fefaf5;
    border-color: var(--text-charcoal);
}

/* 平台介绍区域 */
.intro-block {
    background: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius-card);
    margin: 4rem 0;
    box-shadow: var(--shadow-sm);
    border: 1px solid #f0e4d8;
    font-size: 1.2rem;
    text-align: center;
}
.intro-block p {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* 模特展示 2行4列，宽高比2:3 */
.model-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.8rem;
    margin: 3rem 0;
}
.model-card {
    background: var(--card-bg);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
    border: 1px solid #ece1d7;
}
.model-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}
.model-img img{
    width: 100%;
}
.model-info {
    padding: 1.2rem 1rem 1.5rem;
    text-align: center;
    background: white;
}
.model-name {
    font-size: 1.4rem;
    font-family: var(--font-serif);
    margin-bottom: 0.3rem;
}
.model-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem 1rem;
    font-size: 0.9rem;
    color: #4f4a45;
}
.model-stats span i {
    width: 1rem;
    color: var(--golden-nude);
}
.model-country {
    margin-top: 0.3rem;
    font-style: italic;
    background: #f7efe5;
    display: inline-block;
    padding: 0.2rem 1.2rem;
    border-radius: 30px;
    font-size: 0.85rem;
}

/* 平台优势，服务类型 等卡片区 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}
.feature-card {
    background: white;
    padding: 2.2rem 1.5rem;
    border-radius: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #f1e4d8;
    transition: 0.2s;
    text-align: center;
}
.feature-card i {
    font-size: 2.4rem;
    color: var(--golden-nude);
    margin-bottom: 1rem;
}

/* 用户评价・FAQ 等 */
.testimonials {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 2rem;
}
.testimonial {
    flex: 1 1 280px;
    background: white;
    border-radius: 30px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}
.stars { color: #f5b342; letter-spacing: 4px; margin: 0.5rem 0; }

.faq-item {
    background: white;
    border-radius: 30px;
    padding: 1.8rem;
    margin: 1.5rem 0;
    box-shadow: var(--shadow-sm);
}
.faq-question {
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1e1b17;
}
.faq-answer {
    font-size: 1rem;
    color: #3f3a35;
}

/* フッター */
.footer {
    text-align: center;
    padding: 3rem 0;
    border-top: 1px solid #ece1d5;
    margin-top: 3rem;
    font-size: 0.9rem;
}

/* レスポンシブ (mobile first) */
@media (max-width: 1024px) {
    .model-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    h1 { font-size: 2.8rem; }
    .sub-headline { font-size: 1.2rem; }
    .btn-primary { font-size: 1.2rem; padding: 0.8rem 1.8rem; }
    .model-grid { grid-template-columns: 1fr; }
    .cta-row { flex-direction: column; align-items: center; }
}
/* 微調整 */
.section-spacer { margin: 5rem 0; }