/* 最高のデザイナーによるLP専用スタイリング */
:root {
    --gold: #d4af37;
    --gold-bright: #f9d976;
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-sub: #64748b;
    --ai-accent: #e2e8f0;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヒーローセクション */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: radial-gradient(circle at center, #ffffff 0%, var(--bg-main) 70%);
}

.hero-logo {
    width: 90%;
    max-width: 500px;
    height: auto;
    margin-bottom: 40px;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.05));
    animation: fadeInDown 1.2s ease-out;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: var(--text-main);
    animation: fadeInUp 1s ease-out 0.3s both;
    word-break: keep-all;
    overflow-wrap: break-word;
}

#sub-copy {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-sub);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease-out 0.5s both;
    word-break: normal;
    overflow-wrap: break-word;
    line-height: 1.5;
}

/* ゴールドボタン & 信頼バッジ */
.cta-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.btn-gold {
    display: inline-block;
    padding: 18px 45px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-bright) 100%);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
    animation: fadeInUp 1s ease-out 0.7s both;
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.5);
}

.trust-note {
    font-size: 0.85rem;
    color: var(--text-sub);
    max-width: 500px;
    animation: fadeInUp 1s ease-out 0.9s both;
    padding: 0 10px;
    line-height: 1.4;
    word-break: normal;
}

/* 特徴カード */
.features {
    padding: 100px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--ai-accent);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--gold);
}

.icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

.feature-card p {
    color: var(--text-sub);
    font-size: 0.95rem;
}

/* FAQセクション */
.faq {
    padding: 100px 0;
    background: var(--ai-accent);
}

.faq h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2rem;
    color: var(--text-main);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.faq-item h4 {
    color: var(--gold);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.faq-item p {
    color: var(--text-sub);
    font-size: 0.95rem;
}

/* ガイドページ専用スタイル */
.guide-page {
    text-align: center;
}

.guide-hero {
    padding: 80px 0 40px;
}

.guide-logo {
    max-width: 300px;
    margin-bottom: 30px;
}

.guide-subtext {
    color: var(--text-sub);
    max-width: 800px;
    margin: 0 auto;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.guide-content {
    padding-bottom: 80px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.trust-card {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--ai-accent);
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

.trust-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.next-step-box {
    margin-top: 60px;
    padding: 40px;
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.05) 0%, transparent 100%);
    border-radius: 30px;
    border: 1px dashed var(--gold);
}

.free-trial-note {
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 10px;
}

.terms-agree {
    font-size: 0.9rem;
    color: var(--text-main) !important;
    margin-bottom: 15px;
    margin-top: 0;
}

.terms-agree a {
    color: var(--gold) !important;
    text-decoration: underline;
    font-weight: 700;
}

/* モーダル表示用スタイル */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background-color: #fff;
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 800px;
    height: 80vh;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.modal-content iframe {
    width: 100%;
    height: 100%;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    color: var(--text-main) !important;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1020;
    line-height: 1;
    background: rgba(255,255,255,0.95) !important;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.close-modal:hover {
    color: var(--gold);
    background: #fff !important;
}

.back-link {
    margin-top: 40px;
}

.back-link a {
    color: var(--text-sub);
    text-decoration: none;
    font-size: 0.9rem;
}

/* フッター */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--ai-accent);
    text-align: center;
    color: var(--text-sub);
    font-size: 0.9rem;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    color: var(--text-sub);
    text-decoration: none;
    margin: 0 15px;
}

/* アニメーション */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .hero { padding-top: 60px; padding-bottom: 60px; }
    .hero-logo { margin-bottom: 20px; }
    .faq-grid { grid-template-columns: 1fr; }
    .btn-gold { width: 85%; padding: 16px 20px; font-size: 1rem; }
    .trust-note { font-size: 0.75rem; margin-top: 10px; }
    #sub-copy br { display: block; }
    .trust-grid { grid-template-columns: 1fr; }
    .next-step-box { padding: 20px; }
    .guide-subtext { word-break: normal; }
    .modal-content { margin: 10% auto; height: 75vh; width: 95%; }
}

@media (min-width: 769px) {
    #sub-copy br { display: none; }
}