/* ========================================
   カラー変数
   メイン: クリームベージュ #F2E6D0
   アクセント: グリーン #2dbe6c
======================================== */
:root {
    --bg-main:    #F2E6D0;
    --bg-card:    #E4D0AA;
    --bg-light:   #F8F0E3;
    --border:     #C4A97A;
    --text:       #2d2d2d;
    --text-sub:   #7A6245;
    --green:      #2dbe6c;
    --green-dark: #25a55c;
    --green-light:rgba(45, 190, 108, 0.12);
}

/* ========================================
   リセット・基本
======================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background-color: var(--bg-main);
    color: var(--text);
    line-height: 1.8;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4,h5,h6 { margin: 0; padding: 0; }
p { margin: 0; padding: 0; }

/* ========================================
   ヘッダー
======================================== */
.site-header {
    position: sticky;
    top: 0;
    background-color: rgba(242, 230, 208, 0.97);
    padding: 20px 40px;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* スクロール後に影を追加するクラス */
    transition: box-shadow 0.3s;
}

.site-header.scrolled {
    box-shadow: 0 2px 16px rgba(150, 110, 50, 0.15);
}

.site-logo img {
    width: 20%;
    height: auto;
    position: relative;
    left: 5px;
    top: 2px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 40px;
}

.main-nav a {
    color: var(--text);
    font-size: 14px;
    letter-spacing: 0.1em;
    transition: color 0.3s;
    font-weight: 500;
}

.main-nav a:hover { color: var(--green); }

/* ハンバーガー */
.hamburger { display: none; border: none; background: none; cursor: pointer; padding: 0; width: 28px; height: 24px; position: relative; }
.hamburger span { position: absolute; left: 0; right: 0; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s ease, top 0.3s ease, opacity 0.3s ease; }
.hamburger span:nth-child(1) { top: 4px; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { top: 18px; }
.hamburger.is-open span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

@media (max-width: 768px) {
    .site-header { padding: 12px 16px; }
    .site-logo img { width: 60px; left: 0; top: 0; }
    .hamburger { display: block; }
    .main-nav { display: none; position: fixed; top: 60px; right: 0; left: 0; background-color: rgba(242, 230, 208, 0.99); padding: 24px 16px 40px; border-bottom: 1px solid var(--border); }
    .main-nav.is-open { display: block; }
    .main-nav ul { flex-direction: column; gap: 16px; }
    .main-nav a { font-size: 16px; }
}

/* ========================================
   共通ボタン
======================================== */
.btn {
    display: inline-block;
    padding: 16px 40px;
    background-color: var(--green);
    color: #fff !important;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.1em;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 3px;
}

.btn:hover {
    background-color: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 190, 108, 0.3);
    color: #fff !important;
}

/* ========================================
   セクションタイトル
======================================== */
.section-title {
    text-align: center;
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 70px;
    letter-spacing: 0.1em;
    color: var(--text);
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--green);
    margin: 20px auto 0;
    border-radius: 2px;
}


/* ========================================
   10人限定バッジ
======================================== */
.limited-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(45, 190, 108, 0.15);
    border: 1.5px solid #2dbe6c;
    border-radius: 100px;
    padding: 8px 20px;
    font-size: 14px;
    color: #2d2d2d;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    backdrop-filter: blur(4px);
}

.limited-badge strong {
    color: #2dbe6c;
    font-weight: 700;
}

.limited-icon {
    font-size: 10px;
    color: #2dbe6c;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

@media (max-width: 768px) {
    .limited-badge { font-size: 12px; padding: 7px 14px; }
}
/* ========================================
   フッター
======================================== */
.site-footer {
    background-color: #2d2d2d;
    padding: 40px 60px;
    text-align: center;
    color: #ccc;
    font-size: 14px;
}

/* ========================================
   FVセクション
======================================== */
.fv-section {
    position: relative;
    height: 100vh;
    background-image: url('../img/FV.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 60px;
    overflow: hidden;
}

.fv-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(245, 240, 232, 0.55);
}

.fv-content { position: relative; z-index: 2; max-width: 600px; }

.fv-content h1 {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    color: var(--text);
}

.fv-content .subtitle {
    font-size: 17px;
    color: var(--text-sub);
    margin-bottom: 40px;
    letter-spacing: 0.08em;
    line-height: 1.7;
}

.trial-button {
    position: absolute;
    bottom: 60px;
    right: 60px;
    z-index: 3;
}

/* ========================================
   Valueセクション
======================================== */
.value-section {
    padding: 120px 60px;
    background-color: var(--bg-main);
}

.value-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background-color: var(--bg-light);
    padding: 48px 32px;
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all 0.3s;
    text-align: center;
}

.value-card:hover {
    border-color: var(--green);
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(45,190,108,0.1);
}

.value-card h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text);
    letter-spacing: 0.08em;
    font-weight: 700;
}

.value-card h3::before {
    content: '';
    display: block;
    width: 32px;
    height: 3px;
    background: var(--green);
    margin: 0 auto 16px;
    border-radius: 2px;
}

.value-card p {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.7;
    text-align: left;
}

.about-link { text-align: center; margin-top: 60px; }

/* ========================================
   トレーナーセクション
======================================== */
.trainer-section {
    padding: 120px 60px;
    background-color: var(--bg-card);
}

.trainer-container {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.trainer-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.3s;
}

.trainer-card:hover {
    border-color: var(--green);
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(45,190,108,0.12);
}

.trainer-image {
    width: 100%;
    height: 380px;
    background-color: var(--border);
    background-size: cover;
    background-position: center;
}

.trainer-info { padding: 28px; }

.trainer-info h3 {
    font-size: 21px;
    margin-bottom: 10px;
    color: var(--text);
    font-weight: 700;
}

.trainer-qualification {
    color: var(--green);
    font-size: 13px;
    margin-bottom: 10px;
    letter-spacing: 0.05em;
    display: block;
    font-weight: 600;
}

.trainer-info p { color: var(--text-sub); font-size: 14px; line-height: 1.8; }

/* ========================================
   信念セクション
======================================== */
.belief-section {
    padding: 120px 60px;
    background-color: var(--bg-main);
}

.belief-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.belief-card { text-align: center; padding: 0 10px; }

.belief-icon {
    width: 80px; height: 80px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--green-light);
    border: 2px solid var(--green);
    border-radius: 50%;
    transition: all 0.3s;
}

.belief-icon svg { width: 38px; height: 38px; }
.belief-card:hover .belief-icon { box-shadow: 0 0 20px rgba(45,190,108,0.25); }
.belief-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 16px; color: var(--text); }
.belief-card p { font-size: 14px; color: var(--text-sub); line-height: 1.9; }

/* ========================================
   マップセクション
======================================== */
.map-section {
    padding: 120px 60px;
    background-color: var(--bg-card);
}

.map-container { max-width: 1100px; margin: 0 auto; }

.map-wrapper {
    width: 100%;
    height: 480px;
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.map-wrapper iframe { width: 100%; height: 100%; border: none; }

/* ========================================
   PC/Mobile表示切替
======================================== */
.mobile { display: none; }

@media (max-width: 768px) {
    .mobile { display: block; }
    .pc { display: none; }

    .fv-section {
        height: auto; min-height: calc(100vh - 70px);
        padding: 100px 24px 60px; margin-top: 0;
        background-position: center; background-attachment: scroll;
        flex-direction: column; justify-content: center; align-items: center; text-align: center;
    }
    .fv-content { max-width: 100%; }
    .fv-content h1 { font-size: 30px; margin-bottom: 16px; }
    .fv-content .subtitle { font-size: 14px; }
    .trial-button { position: static; margin-top: 20px; text-align: center; }
    .trial-button .btn { width: 100%; max-width: 320px; }

    .value-section, .trainer-section, .belief-section, .map-section { padding: 80px 24px; }
    .value-container { grid-template-columns: 1fr; gap: 20px; }
    .trainer-container { grid-template-columns: 1fr; gap: 24px; }
    .belief-container { grid-template-columns: 1fr; gap: 30px; }
    .section-title { font-size: 28px; margin-bottom: 48px; }
    .map-wrapper { height: 320px; }
}