@charset "UTF-8";

/* 変数定義（公式資料準拠） */
:root {
    --color-primary: #880011;
    --color-text: #2C2C2E;
    --color-text-light: #5A5D61;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F4F6F8;
    --color-border: #DDE1E6;

    --font-main: 'Arimo', 'Noto Sans JP', sans-serif;
    --font-heading: 'Arimo', 'Noto Sans JP', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

/* リセット & 基本設定 */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-text);
}

a { text-decoration: none; color: inherit; transition: color 0.3s; }
ul { list-style: none; }

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ===================================================
   ヘッダー・ナビゲーション
=================================================== */
#header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(5px);
    z-index: 1000;
    border-bottom: 3px solid var(--color-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link { font-size: 0.95rem; font-weight: 500; }
.nav-link:hover { color: var(--color-primary); }

/* ===================================================
   ハンバーガーメニュー（モバイル用）
=================================================== */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
    z-index: 1100;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* ×ボタン変形 */
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* モバイルメニュードロワー */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255,255,255,0.98);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    padding-top: 80px;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-text);
    padding: 0.5rem 2rem;
    border-bottom: 1px solid var(--color-border);
    width: 80%;
    text-align: center;
}

.mobile-nav a:hover { color: var(--color-primary); }

.mobile-nav .btn-primary {
    font-size: 1.1rem;
    width: 80%;
    margin-top: 1rem;
    border-bottom: none;
}

/* ===================================================
   ボタン
=================================================== */
.btn-primary {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-bg);
    padding: 1rem 3rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid var(--color-primary);
    text-align: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(136, 0, 17, 0.2);
}

.btn-primary:hover {
    background-color: var(--color-bg);
    color: var(--color-primary);
    box-shadow: 0 6px 15px rgba(136, 0, 17, 0.3);
    transform: translateY(-2px);
}

.btn-small { padding: 0.6rem 1.5rem; font-size: 0.9rem; }
.btn-large { padding: 1.2rem 4rem; font-size: 1.1rem; }

/* ===================================================
   セクション共通
=================================================== */
.section { padding: var(--spacing-xl) 0; }

.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    position: relative;
    font-weight: 700;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--color-primary);
    margin: var(--spacing-sm) auto 0;
}

.bg-alt { background-color: var(--color-bg-alt); }

/* ===================================================
   ヒーローセクション
=================================================== */
.hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-top: 80px;
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
    font-family: var(--font-heading);
    color: #FFFFFF;
    text-align: left;
}

.hero-title::before {
    content: '';
    display: block;
    width: 80px;
    height: 8px;
    background-color: #FFFFFF;
    margin-bottom: 1.5rem;
}

.hero-title .highlight { color: #FFFFFF; }

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    text-align: left;
}

/* ヒーローセクション用の白ボタン */
.btn-white {
    display: inline-block;
    background-color: #FFFFFF;
    color: var(--color-primary);
    padding: 1rem 3rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid #FFFFFF;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
    background-color: transparent;
    color: #FFFFFF;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

/* ===================================================
   コンテンツカード
=================================================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.card {
    background-color: var(--color-bg);
    padding: var(--spacing-md);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    border-top: 4px solid var(--color-primary);
    transition: box-shadow 0.3s, transform 0.3s;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

a.card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: none;
    border-left: 6px solid var(--color-primary);
}

a.card:hover {
    transform: translateX(8px);
}

.card-content {
    flex: 1;
    padding-right: 1.5rem;
}

.card-arrow {
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
    opacity: 0.7;
}

a.card:hover .card-arrow {
    transform: translateX(5px);
    opacity: 1;
}

.card h4 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

/* ===================================================
   料金カードグリッド（テーブル廃止・カード化）
=================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: var(--spacing-md);
}

.pricing-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    position: relative;
    text-align: center;
    transition: box-shadow 0.3s, transform 0.3s;
}

.pricing-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-4px);
}

.pricing-card.recommended {
    border: 3px solid var(--color-primary);
}

.recommended-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    font-size: 0.8rem;
    padding: 3px 14px;
    border-radius: 20px;
    white-space: nowrap;
}

.pricing-card-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.price-amount {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--color-primary);
    display: block;
    margin-bottom: 0.3rem;
}

.price-note {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    text-align: center;
    font-size: 0.9rem;
    line-height: 2;
    margin-bottom: 1.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

.pricing-features li::before {
    content: "✓ ";
    color: var(--color-primary);
    font-weight: bold;
}

.pricing-desc {
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--color-primary);
    padding-top: 1rem;
    border-top: 1px dashed var(--color-border);
}

/* 導入シミュレーション */
.simulation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.sim-card {
    background: #fff;
    border: 1px solid var(--color-border);
    padding: 2rem;
    border-radius: 8px;
}

.sim-card-title {
    text-align: center;
    color: #fff;
    background: var(--color-primary);
    padding: 0.7rem;
    margin: -2rem -2rem 1.5rem;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    font-weight: bold;
}

.highlight-calc {
    font-weight: bold;
    color: var(--color-primary);
    font-size: 1.2rem;
    display: block;
    margin-top: 1rem;
    border-top: 2px dashed #ccc;
    padding-top: 1rem;
    text-align: center;
}

/* ===================================================
   note 連携エリア
=================================================== */
#note-feed {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.note-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: box-shadow 0.3s;
    background: #fff;
    text-decoration: none;
    color: inherit;
}

.note-item:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.08); }

.note-thumb {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 1.5rem;
    background-color: #eee;
    flex-shrink: 0;
}

.note-content { flex: 1; }

.note-title {
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.note-date {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ===================================================
   フッター
=================================================== */
.footer-sns {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.footer-sns a {
    color: #999;
    transition: color 0.3s, transform 0.3s;
    display: flex;
    align-items: center;
}

.footer-sns a:hover {
    color: var(--color-bg);
    transform: translateY(-2px);
}

.footer-sns svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

#footer {
    background-color: var(--color-text);
    color: var(--color-bg);
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: #ccc;
    font-size: 0.9rem;
}

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

.footer-legal {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-legal a {
    color: #999;
    font-size: 0.8rem;
}

.footer-legal a:hover { color: #ccc; }

.copyright {
    color: #888;
    font-size: 0.85rem;
}

/* ===================================================
   ページヘッダー
=================================================== */
.page-header {
    padding-top: 120px;
    padding-bottom: 40px;
    text-align: center;
    background-color: var(--color-bg-alt);
}

.page-title {
    font-size: 2.5rem;
    color: var(--color-primary);
}

/* ===================================================
   アニメーション
=================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================================
   お問い合わせフォーム
=================================================== */
.contact-box {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 8px;
    border-top: 4px solid var(--color-primary);
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    max-width: 700px;
    margin: 0 auto;
}

.contact-box-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
    text-align: center;
}

.contact-desc {
    margin-bottom: 2rem;
    text-align: center;
}

.contact-form {
    text-align: left;
    margin-top: 2rem;
    border-top: 1px dashed var(--color-border);
    padding-top: 2rem;
}

.form-group { margin-bottom: 1.5rem; }

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.required {
    background-color: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(136, 0, 17, 0.1);
}

.form-submit { text-align: center; margin-top: 2rem; }

.mt-3 { margin-top: 1rem; }

/* ===================================================
   法的ページ（legal.html）
=================================================== */
.legal-section { padding: var(--spacing-xl) 0; }

.legal-box {
    max-width: 800px;
    margin: 0 auto;
}

.legal-box h2 {
    font-size: 1.6rem;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    margin-top: 3rem;
}

.legal-box h2:first-child { margin-top: 0; }

.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

.legal-table th,
.legal-table td {
    border: 1px solid var(--color-border);
    padding: 1rem;
    text-align: left;
    vertical-align: top;
}

.legal-table th {
    background-color: var(--color-bg-alt);
    font-weight: bold;
    width: 30%;
    white-space: nowrap;
}

/* ===================================================
   レスポンシブ（768px以下）
=================================================== */
@media (max-width: 768px) {

    /* ハンバーガーを表示、通常ナビを非表示 */
    .hamburger { display: flex; }
    .nav-menu { display: none; }

    .hero-title { font-size: 2rem; }

    .section { padding: 3rem 0; }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: var(--spacing-md) auto 0;
    }

    .note-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .note-thumb {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
        margin-bottom: 1rem;
        margin-right: 0;
    }

    .legal-table th { width: 40%; }

    .contact-box { padding: 2rem 1rem; }

    .page-title { font-size: 1.8rem; }

    .footer-links { gap: 1rem; }
}