/* ==========================================================
   AI時代のWebライター講座 販売LP
   テーマカラーは https://yamada-yuki.com/ / 受講生サイトと統一
   ========================================================== */

:root {
    --color-primary: #00ad79;
    --color-primary-dark: #00875e;
    --color-primary-darker: #00583e;
    --color-primary-tint: #e6f7f1;
    --color-accent: #ff914d;
    --color-accent-dark: #f2792b;
    --color-bg: #f7f7f7;
    --color-card: #ffffff;
    --color-text: #333333;
    --color-text-light: #6b6b6b;
    --color-border: #e6e6e6;
    --color-red: #eb6154;
    --color-mark: #f6fd8a;
    --radius-lg: 18px;
    --radius-md: 12px;
    --shadow-soft: 0 6px 20px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 16px 36px rgba(0, 0, 0, 0.12);
    --max-width: 640px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", Roboto, Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

p {
    margin: 0 0 1rem;
}

p:last-child {
    margin-bottom: 0;
}

.page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---------- ボタン ---------- */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: #fff;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    padding: 0.95rem 2.75rem;
    border-radius: 999px;
    text-align: center;
    box-shadow: 0 10px 24px rgba(242, 121, 43, 0.32);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(242, 121, 43, 0.4);
}

.btn-lg {
    padding: 1.1rem 3.25rem;
    font-size: 1rem;
}

/* ---------- ヒーロー ---------- */
.hero {
    background: linear-gradient(150deg, var(--color-primary) 0%, #00c98f 45%, var(--color-accent) 130%);
    padding: 4.5rem 0 4rem;
    text-align: center;
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-title {
    font-size: 2.3rem;
    font-weight: 800;
    line-height: 1.5;
    margin: 0 0 1.25rem;
    color: #fff;
}

.hero-lead {
    color: rgba(255, 255, 255, 0.92);
    margin: 0;
}

/* ---------- セクション共通 ---------- */
.section {
    padding: 3rem 0;
}

.section-final {
    text-align: center;
    padding: 0.5rem 0 4.5rem;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    border-left: 4px solid var(--color-accent);
    padding-left: 0.75rem;
    margin: 0 0 1.5rem;
}

/* ---------- 講座の内容 ---------- */
.content-item {
    display: flex;
    gap: 1rem;
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: 1.5rem;
    margin-bottom: 1.1rem;
}

.content-item:last-child {
    margin-bottom: 0;
}

.content-item-badge {
    flex-shrink: 0;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-weight: 800;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-item-title {
    font-weight: 800;
    font-size: 1.02rem;
    color: var(--color-text);
    margin: 0 0 0.5rem;
}

.content-item-body p:not(.content-item-title) {
    color: var(--color-text-light);
    font-size: 0.92rem;
}

.content-item-body p.content-item-video-label {
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: 0.92rem;
}

.content-item-video {
    margin-top: 0.25rem;
}

.mark {
    background-color: var(--color-mark);
    color: var(--color-text);
    font-weight: 700;
    padding: 0 0.15em;
}

.text-red {
    color: var(--color-red);
    font-weight: 700;
}

/* ---------- 料金・お支払い方法 ---------- */
.policy-card {
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: 0.5rem 1.75rem;
}

.policy-block {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
}

.policy-block:last-child {
    border-bottom: none;
}

.policy-heading {
    font-weight: 700;
    color: var(--color-primary-dark);
    margin: 0 0 0.5rem;
}

.policy-block p:not(.policy-heading) {
    color: var(--color-text-light);
    font-size: 0.92rem;
}

.policy-block p.price-text {
    color: var(--color-red);
    font-weight: 700;
    font-size: 1.4rem;
}

.payment-image {
    display: block;
    max-width: 100%;
    height: auto;
}

/* ---------- フッター ---------- */
.footer {
    text-align: center;
    padding: 2.5rem 0 3rem;
    border-top: 1px solid var(--color-border);
}

.footer-links {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.85rem;
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: underline;
}

.footer-links a:hover {
    color: var(--color-accent-dark);
}

.footer-links:last-child {
    margin-bottom: 0;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 480px) {
    .hero {
        padding: 3.5rem 0 3rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .content-item {
        padding: 1.25rem;
    }

    .policy-card {
        padding: 0.25rem 1.25rem;
    }

    .btn {
        width: 100%;
    }
}