/* --- Global Design Elements --- */
:root {
    --main-pink: #F06292;      /* 明るいメインのピンク */
    --dark-pink: #E91E63;      /* アクセント用の濃いピンク */
    --light-pink-bg: #FFF8FB;  /* 非常に薄い背景ピンク */
    --white: #FFFFFF;
    --text-dark: #333333;      /* より濃いテキスト色 */
    --text-light: #555555;      /* 薄めのテキスト色 */
    --border-color: #F0F0F0;

    --font-heading: 'Noto Serif JP', serif;
    --font-body: 'Noto Sans JP', sans-serif;

    --shadow: 0 4px 15px rgba(0,0,0,0.06);
    --shadow-strong: 0 8px 25px rgba(0,0,0,0.1);
    --transition: all 0.3s ease-in-out;
}

/* --- Base & Reset --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--text-dark); background-color: var(--white); line-height: 1.9; font-size: 18px; }
.container { width: 90%; max-width: 1100px; margin: 0 auto; padding: 120px 20px; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; color: var(--text-dark); line-height: 1.5; }
h3.section-title { color: var(--main-pink); font-size: 2.2rem; }
h3.section-title-alt { color: var(--white); font-size: 2.2rem; }
p { margin-bottom: 1.5rem; }
p:last-child { margin-bottom: 0; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }

/* --- Header --- */
.site-header { position: fixed; top: 0; left: 0; width: 100%; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); z-index: 1000; padding: 10px 0; border-bottom: 1px solid var(--border-color); }
.site-header .container { display: flex; justify-content: space-between; align-items: center; padding: 0 20px; }
.site-logo img { height: 40px; }
.header-cta { font-size: 14px; padding: 8px 16px; display: none; }

/* --- CTA Button --- */
.cta-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--main-pink); color: var(--white); font-family: var(--font-body); font-weight: 700; font-size: 18px; text-align: center; padding: 15px 40px; border-radius: 50px; border: none; box-shadow: 0 4px 15px rgba(240, 98, 146, 0.4); transition: var(--transition); cursor: pointer; }
.cta-button:hover { background: var(--dark-pink); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(233, 30, 99, 0.5); }
.cta-button .material-icons { transition: var(--transition); }
.cta-button:hover .material-icons { transform: translateX(5px); }

/* --- Hero Section --- */
#hero {
    background: var(--light-pink-bg);
    padding-top: 80px; /* Header height */
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-container {
    display: flex;
    align-items: center;
    gap: 40px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}
.hero-image-container {
    flex: 0 0 45%;
}
.hero-content {
    flex: 1;
    text-align: left;
}
.main-catchphrase { font-size: 2.2rem; color: var(--main-pink); }
.main-catchphrase span { font-size: 1.2rem; background: var(--main-pink); color: var(--white); padding: 2px 10px; border-radius: 5px; }
.sub-catchphrase { font-size: 1.5rem; color: var(--text-dark); }
.lead-text { font-size: 1rem; color: var(--text-light); }
.offer-text { font-weight: bold; }

/* --- General Section Styling --- */
.section-subtitle { text-align: center; margin-bottom: 40px; font-size: 1.1rem; color: #666;}
.section-intro { max-width: 800px; text-align: center; margin-left: auto; margin-right: auto; margin-bottom: 60px; }
.section-intro strong { color: var(--main-pink); font-weight: bold; }

/* --- Problem Section --- */
#problem { background-color: var(--white); }
.checklist { max-width: 800px; margin: 0 auto 40px; }
.checklist li { background: var(--light-pink-bg); border-left: 5px solid var(--main-pink); padding: 15px 20px 15px 30px; margin-bottom: 10px; border-radius: 8px; }
.closing-text { text-align: center; font-size: 1.2rem; font-weight: bold; color: var(--main-pink); }

/* --- Benefits Section & Bridge --- */
#benefits { background-color: var(--light-pink-bg); padding-top: 0; }
.bridge-to-solution { text-align: center; padding: 60px 20px 60px; background: var(--white); }
.bridge-answer { font-size: 2rem; color: var(--main-pink); }
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.benefit-card { background: var(--white); padding: 30px; border-radius: 10px; box-shadow: var(--shadow); }
.benefit-card h4 { font-size: 1.5rem; text-align: center; margin-bottom: 20px; color: var(--main-pink); }
.benefit-card ul li { margin-bottom: 10px; padding-left: 25px; position: relative; }
.benefit-card.recommend ul li::before { content: '♡'; position: absolute; left: 0; color: var(--main-pink); font-size: 1.2rem; }
.benefit-card.effect ul li::before { content: '❣️'; position: absolute; left: 0; font-size: 1.2rem; }

/* --- Solution Section --- */
#solution { background-color: var(--white); }
.value-proposition { margin-top: 20px; }
.value-item { display: flex; gap: 40px; align-items: center; margin-bottom: 50px; }
.value-item.reverse { flex-direction: row-reverse; }
.value-item.text-only { padding: 40px 0; background-color: var(--light-pink-bg); border-radius: 15px; justify-content: center; }
.value-item.text-only .value-text { width: 100%; max-width: 800px; text-align: center; }
.value-item.text-only .value-text p { text-align: left; }
.value-image { width: 45%; border-radius: 15px; box-shadow: var(--shadow-strong); flex-shrink: 0; object-fit: cover; aspect-ratio: 4/3; }
.value-text { width: 55%; }
.value-text h4 { font-size: 1.8rem; color: var(--main-pink); margin-bottom: 20px; }
.value-checklist { margin-left: 0; margin-top: 20px; list-style-type: none; }
.value-checklist li { padding-left: 30px; position: relative; margin-bottom: 10px; }
.value-checklist li::before { content: '✔'; position: absolute; left: 0; color: var(--main-pink); }

/* --- Trust Section --- */
#trust { background-color: var(--light-pink-bg); }
.reasons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 80px; }
.reason-item { background: #fff; padding: 30px; border-radius: 10px; box-shadow: var(--shadow); text-align: center; }
.reason-number { width: 50px; height: 50px; background: var(--main-pink); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-family: var(--font-heading); margin: 0 auto 20px; }
.reason-item h6 { font-size: 1.2rem; color: var(--main-pink); margin-bottom: 10px;}
.lecturer-profile { display: flex; gap: 40px; align-items: flex-start; background: var(--white); padding: 40px; border-radius: 15px; margin-bottom: 80px; box-shadow: var(--shadow); }
.lecturer-image-container { flex-shrink: 0; }
.lecturer-photo { width: 250px; height: 250px; border-radius: 50%; object-fit: cover; border: 5px solid var(--main-pink); }
.lecturer-catchphrase { font-size: 1.3rem; margin-bottom: 5px; color: var(--main-pink); }
.lecturer-title { font-size: 1rem; font-family: var(--font-body); margin-bottom: 5px; }
.lecturer-name { font-size: 2rem; margin-bottom: 5px; color: var(--main-pink); }
.lecturer-kin { font-size: 0.9rem; color: #777; margin-bottom: 20px; }
.achievements { margin-top: 60px; }
.achievements-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; align-items: center; margin: 40px auto; max-width: 900px; }
.achievements-grid img { background: var(--white); padding: 10px; border-radius: 8px; box-shadow: var(--shadow); object-fit: contain; width: 100%; height: auto; }
.achievements-list { background: var(--white); padding: 30px; border-radius: 10px; column-count: 2; column-gap: 40px; }
.achievements-list li { margin-bottom: 10px; font-size: 1rem; padding-left: 25px; position: relative; } /* Font size increased */
.achievements-list li::before { content: '🔖'; position: absolute; left: 0; }

/* --- Testimonials Section --- */
#testimonials { background: var(--white); }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.testimonial-card { background: var(--light-pink-bg); color: var(--text-dark); padding: 30px; border-radius: 10px; text-align: center; position: relative; }
.quote-icon { position: absolute; top: 15px; left: 20px; font-size: 2.5rem; color: var(--main-pink); opacity: 0.2; }
.testimonial-card img { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; margin: 10px auto 20px; border: 3px solid var(--main-pink); }
.testimonial-card h6 { font-size: 1.1rem; margin-bottom: 10px; color: var(--main-pink); }

/* --- Curriculum Section --- */
#curriculum { background-color: var(--light-pink-bg); }
.curriculum-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.curriculum-card { background: var(--white); border-radius: 15px; padding: 30px; text-align: center; position: relative; overflow: hidden; transition: var(--transition); border: 1px solid var(--border-color); }
.curriculum-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-strong); }
.card-icon-container { color: var(--main-pink); width: 80px; height: 80px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.card-icon { font-size: 2.5rem; }
.card-number { position: absolute; top: 10px; right: 20px; font-size: 3rem; font-weight: bold; color: rgba(0,0,0,0.05); }
.curriculum-card h4 { font-size: 1.4rem; color: var(--main-pink); margin-bottom: 15px; }
.curriculum-card small { font-size: 0.9rem; color: #888; margin-top: 10px; display: block; line-height: 1.5; } /* Font size increased */
.curriculum-message { max-width: 800px; text-align: center; margin: 60px auto 0; padding: 30px; background: var(--white); border-radius: 10px; box-shadow: var(--shadow); }
.curriculum-message strong { color: var(--main-pink); }

/* --- Final Push & Details Sections --- */
#final-push { background-color: var(--white); text-align: center; }
#final-push .cta-button { margin-top: 40px; }
#final-push img { border-radius: 15px; box-shadow: var(--shadow-strong); margin: 40px auto 0; max-width: 800px; width: 100%; display: block; }
#final-push p { max-width: 800px; margin: 40px auto 0; }
#details { background-color: var(--light-pink-bg); }
.detail-block { background: var(--white); padding: 40px; border-radius: 15px; box-shadow: var(--shadow); margin-bottom: 40px; }
.detail-title { color: var(--main-pink); font-size: 1.8rem; margin-bottom: 30px; text-align: center; display: flex; align-items: center; justify-content: center; gap: 10px; }
.detail-content { display: flex; gap: 40px; align-items: center; }
.detail-content.column { flex-direction: column; align-items: flex-start; }
.detail-text { flex: 1; }
.detail-text h5 { font-size: 1.6rem; color: var(--main-pink); margin-bottom: 15px; }
.detail-images { display: flex; gap: 20px; flex-direction: column; }
.detail-images img { border-radius: 10px; box-shadow: var(--shadow); max-width: 300px; }
.conditions-list { list-style-type: none; margin-top: 20px; width: 100%; }
.conditions-list li { display: flex; align-items: flex-start; gap: 15px; padding: 15px; border-radius: 8px; margin-bottom: 10px; background: var(--white); }
.conditions-list .material-icons { color: var(--main-pink); }
.target-message { background: var(--white); padding: 20px; border-radius: 10px; margin-top: 20px; }

/* --- Gift & Overview Section --- */
#gift { background-color: var(--white); padding-bottom: 0;}
#gift .offer-details { text-align: center; }
#gift .bonus-title { font-size: 1.8rem; margin-bottom: 15px; color: var(--main-pink); }
#overview { background-color: var(--white); padding-top: 50px; }
.overview-table-wrapper { max-width: 900px; margin: 0 auto; background: var(--white); border-radius: 10px; box-shadow: var(--shadow); overflow: hidden; }
.overview-table { width: 100%; border-collapse: collapse; }
.overview-table th, .overview-table td { padding: 20px; border-bottom: 1px solid var(--border-color); text-align: left; }
.overview-table th { background: var(--light-pink-bg); width: 30%; font-weight: bold; color: var(--main-pink); }
.overview-table tr:last-child th, .overview-table tr:last-child td { border-bottom: none; }
.overview-table .original-price { text-decoration: line-through; }
.overview-table .free-price { color: var(--main-pink); font-weight: bold; font-size: 1.2rem; }
.overview-table a { text-decoration: underline; color: var(--main-pink); font-weight: bold;}
.overview-table a:hover { color: var(--dark-pink); }

/* --- Form Section --- */
#form { background: linear-gradient(135deg, var(--main-pink), var(--dark-pink)); color: var(--white); padding-bottom: 120px; }
#form .container { padding-bottom: 0; }
#form .section-title-alt { color: var(--white); }
#form .form-intro { color: var(--text-light); }
.form-wrapper { max-width: 800px; margin: 40px auto 0; background: var(--white); padding: 40px; border-radius: 10px; color: var(--text-dark); box-shadow: var(--shadow-strong); }
.pub-form-group { margin-bottom: 25px; }
.pub-form-group label { display: block; margin-bottom: 8px; font-weight: 700; }
.pub-form-group .required-mark { color: var(--main-pink); margin-right: 5px; }
.pub-form input[type="text"], .pub-form input[type="email"], .pub-form textarea, .pub-form select { width: 100%; padding: 12px; border: 1px solid var(--border-color); border-radius: 5px; font-size: 1rem; font-family: var(--font-body); }
.pub-form input[type="text"]:focus, .pub-form input[type="email"]:focus, .pub-form textarea:focus, .pub-form select:focus { outline: none; border-color: var(--main-pink); box-shadow: 0 0 5px rgba(240, 98, 146, 0.4); }
.pub-form textarea { min-height: 120px; }
.birthday-fields { display: flex; align-items: center; gap: 10px; }
.birthday-fields select { flex: 1; }
.emphasis-group { background: var(--light-pink-bg); padding: 20px; border-radius: 8px; border: 2px solid var(--main-pink); }
.radio-group label, .checkbox-group.single label, .checkbox-grid label { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; cursor: pointer; }
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form-divider { border: 0; height: 1px; background: var(--border-color); margin: 30px 0; }
.submit-container { text-align: center; margin-top: 30px; }
.submit-container input[type="submit"] { width: 100%; max-width: 400px; padding: 20px; font-size: 1.2rem; }

/* --- Footer --- */
.site-footer { background: #333; color: var(--text-light); text-align: center; padding: 40px 20px; font-size: 1rem; }
.footer-logo { margin: 0 auto 20px; }
.footer-logo img { height: 40px; }
.site-footer p { margin-bottom: 5px; color: #aaa; }
.site-footer p:first-of-type { color: var(--white); }

/* --- Floating CTA --- */
.floating-cta { position: fixed; bottom: 20px; right: 20px; width: 80px; height: 80px; background-color: var(--main-pink); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; text-align: center; font-weight: 700; font-size: 16px; line-height: 1.2; box-shadow: var(--shadow-strong); z-index: 999; transition: var(--transition); }
.floating-cta:hover { transform: scale(1.1); background-color: var(--dark-pink); }

/* --- Scroll Animation --- */
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .testimonial-grid, .benefits-grid, .reasons-grid { grid-template-columns: 1fr; }
    .achievements-list { column-count: 1; }
    .achievements-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-container { flex-direction: column; text-align: center; }
    #hero .hero-content { max-width: 100%; text-align: center; background: none; backdrop-filter: none; padding: 20px 0; }
    #hero .hero-image-container { max-width: 400px; margin: 0 auto; }
    .main-catchphrase { color: var(--main-pink); text-shadow: none; }
    .sub-catchphrase, .lead-text, .offer-text { color: var(--text-light); }
}

@media (max-width: 768px) {
    body { font-size: 16px; }
    .container { padding: 60px 15px; }
    .site-header { padding: 5px 0; }
    .site-logo img { height: 35px; }
    .header-cta { display: none; }
    #hero { padding-top: 80px; min-height: auto; }
    .main-catchphrase { font-size: 1.8rem; }
    .sub-catchphrase { font-size: 1.2rem; }
    .section-title, .section-title-alt { font-size: 1.8rem; }
    .value-item, .value-item.reverse { flex-direction: column; }
    .value-image, .value-text { width: 100%; }
    .value-image { margin-bottom: 20px; }
    .lecturer-profile { flex-direction: column; text-align: center; }
    .lecturer-photo { margin-bottom: 20px; width: 200px; height: 200px; }
    .achievements-grid { grid-template-columns: 1fr; }
    .detail-content { flex-direction: column; }
    .birthday-fields { flex-wrap: wrap; }
    .checkbox-grid { grid-template-columns: 1fr; }
    .form-wrapper { padding: 20px; }
    .floating-cta { width: 100%; bottom: 0; right: 0; border-radius: 0; padding: 15px; height: auto; font-size: 18px; }
    .floating-cta span { display: block; }
}