/* 基本設定と変数 */
:root {
    --primary-color: #2c3e50;       /* メインの文字色 */
    --accent-color: #8b7355;        /* アクセントカラー（ボタンなど）*/
    --bg-color: #ffffff;            /* 背景色 */
    --light-bg: #f8f6f3;            /* 薄い背景色 */
    --header-height: 70px;          /* ヘッダーの高さ */
    --text-secondary: #666;         /* セカンダリテキスト */
}

/* リセットCSS（ブラウザの初期スタイルを打ち消す） */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.7;
    color: var(--primary-color);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* 共通クラス */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--primary-color);
}

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

.btn {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    padding: 15px 40px;
    border-radius: 30px;
    margin-top: 20px;
    transition: all 0.3s;
    font-weight: 500;
    letter-spacing: 0.05em;
    border: 2px solid var(--accent-color);
}

.btn:hover {
    background: transparent;
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 115, 85, 0.3);
}

.btn-large {
    padding: 18px 50px;
    font-size: 1.1rem;
}

.btn-outline {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    margin-left: 15px;
}

.btn-outline:hover {
    background: var(--accent-color);
    color: #fff;
}

/* ヘッダー */
.header {
    background: rgba(255, 255, 255, 0.95);
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    backdrop-filter: blur(10px);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--accent-color);
    margin-bottom: 2px;
}

.logo-title {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--primary-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav {
    display: flex;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    transition: color 0.3s;
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-color);
    transition: width 0.3s;
}

.nav-list a:hover {
    color: var(--accent-color);
}

.nav-list a:hover::after {
    width: 100%;
}

/* ハンバーガーメニューボタン */
.menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
    position: relative;
}

.menu-btn .bar {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* PC表示では通常のナビゲーションを表示 */
@media (min-width: 769px) {
    .nav {
        display: flex;
    }
    
    .menu-btn {
        display: none;
    }
}

/* ヒーローセクション */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(44, 62, 80, 0.4), rgba(44, 62, 80, 0.3)), url('Studiokoukaku.jpg') no-repeat center/cover;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    margin-top: var(--header-height);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(139, 115, 85, 0.2), rgba(44, 62, 80, 0.3));
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 300;
    letter-spacing: 0.1em;
    line-height: 1.4;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    letter-spacing: 0.1em;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.3);
}

/* Aboutセクション */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.15rem;
    line-height: 2.2;
    margin-bottom: 2.5rem;
    text-align: center;
    color: var(--primary-color);
    letter-spacing: 0.08em;
}

.about-text-last {
    margin-bottom: 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* グリッドレイアウト（カード部分） */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

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

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: 400;
    letter-spacing: 0.05em;
}

.card p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* プランセクション */
.plans-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 80px;
}

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

.plan-category-title {
    font-size: 2rem;
    font-weight: 300;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.plan-category-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 40px;
}

.plan-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
    max-width: 500px;
    margin: 0 auto;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.plan-card-featured {
    border: 2px solid var(--accent-color);
    max-width: 600px;
}

.plan-card-subscription {
    max-width: 700px;
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.plan-name {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 400;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.plan-price {
    margin-bottom: 15px;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--accent-color);
    letter-spacing: 0.05em;
}

.price-note {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-left: 5px;
}

.plan-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

.plan-discount {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ff6b6b;
    color: #fff;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.plan-grid .plan-card {
    max-width: none;
}

.subscription-plans {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin: 30px 0;
}

.subscription-item {
    flex: 1;
    text-align: center;
}

.subscription-divider {
    width: 1px;
    height: 60px;
    background: #e0e0e0;
}

.subscription-item .plan-name {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.subscription-item .price-amount {
    font-size: 2rem;
}

.plan-recommendation {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid #f0f0f0;
    line-height: 1.8;
}

/* キャンセルポリシー */
.cancellation-policy {
    max-width: 800px;
    margin: 60px auto 0;
    padding: 30px;
    background: #fff9f0;
    border-left: 4px solid var(--accent-color);
    border-radius: 8px;
}

.policy-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.policy-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.policy-list li {
    padding: 12px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

.policy-list li::before {
    content: '⚠';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 1rem;
}

/* 注意書きボックス */
.notice-box {
    max-width: 800px;
    margin: 60px auto 0;
    padding: 30px;
    background: #fff9f0;
    border-left: 4px solid var(--accent-color);
    border-radius: 8px;
}

.notice-box h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 400;
}

.notice-box p {
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.notice-box p:last-child {
    margin-bottom: 0;
}

/* 持ち物リスト */
.items-to-bring {
    max-width: 600px;
    margin: 60px auto 0;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.items-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.items-list {
    list-style: none;
    padding: 0;
}

.items-list li {
    display: flex;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.items-list li:last-child {
    border-bottom: none;
}

.item-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: var(--accent-color);
    color: #fff;
    border-radius: 50%;
    margin-right: 20px;
    font-weight: 500;
    flex-shrink: 0;
}

/* プロフィールセクション */
.profile-content {
    max-width: 900px;
    margin: 0 auto;
}

.profile-header {
    text-align: center;
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--light-bg);
}

.profile-image-wrapper {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.profile-image {
    max-width: 400px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    object-fit: cover;
}

.profile-name {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 300;
    letter-spacing: 0.1em;
}

.profile-role {
    font-size: 1.1rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.profile-body {
    display: grid;
    gap: 50px;
}

.profile-story {
    line-height: 2.2;
    color: var(--primary-color);
}

.profile-story p {
    margin-bottom: 25px;
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.profile-philosophy {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--accent-color);
    text-align: center;
    padding: 30px;
    background: var(--light-bg);
    border-radius: 8px;
    margin: 40px 0;
}

.profile-credentials {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.credentials-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-color);
    font-weight: 400;
    letter-spacing: 0.05em;
}

.credentials-list {
    list-style: none;
    padding: 0;
    margin-bottom: 40px;
}

.credentials-list li {
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.8;
    color: var(--primary-color);
}

.credentials-list li:last-child {
    border-bottom: none;
}

.year {
    display: inline-block;
    min-width: 80px;
    font-weight: 600;
    color: var(--accent-color);
    margin-right: 10px;
}

.note {
    display: block;
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
}

.ambassador-text {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.8;
}

.ambassador-list,
.media-list {
    list-style: none;
    padding: 0;
    margin-bottom: 40px;
}

.ambassador-list li,
.media-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--primary-color);
    line-height: 1.8;
}

.ambassador-list li::before,
.media-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* アクセスセクション */
.access-content {
    max-width: 900px;
    margin: 0 auto;
}

.access-info {
    margin-bottom: 40px;
}

.access-intro {
    font-size: 1.1rem;
    line-height: 2.2;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    letter-spacing: 0.05em;
}

.parking-info {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    max-width: 600px;
    margin: 0 auto;
}

.parking-info h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.parking-info p {
    color: var(--text-secondary);
    line-height: 2;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.parking-image-wrapper {
    margin-top: 20px;
    display: flex;
    justify-content: center;
}

.parking-image {
    max-width: 100%;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    object-fit: cover;
}

.access-map {
    margin-top: 40px;
}

.map-placeholder {
    background: var(--light-bg);
    padding: 80px 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.map-placeholder p {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.map-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 15px;
}

/* お問い合わせセクション */
.contact-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 50px;
    line-height: 2;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-item {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: 400;
}

.contact-item p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.contact-hours {
    font-size: 0.9rem;
    color: #999;
    margin-top: 10px;
}

.contact-email {
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-top: 15px;
    margin-bottom: 15px;
    font-weight: 500;
    word-break: break-all;
}

.contact-cta-item {
    margin-top: 20px;
}

.btn-email {
    padding: 12px 30px;
    font-size: 1rem;
}

.contact-cta {
    margin-top: 40px;
}

.contact-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-action-card {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.contact-action-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.contact-note {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 1rem;
}

/* フッター */
.footer {
    background: var(--primary-color);
    color: #fff;
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

/* --- スマホ対応（レスポンシブ） --- */
@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--bg-color);
        box-shadow: -2px 0 10px rgba(0,0,0,0.1);
        display: flex;
        flex-direction: column;
        justify-content: center;
        transition: 0.3s;
        z-index: 1000;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .hero {
        background-attachment: scroll;
        height: 80vh;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

    .section {
        padding: 60px 0;
    }

    .about-text {
        font-size: 1rem;
        line-height: 1.8;
        margin-bottom: 1.5rem;
    }

    .grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .plan-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .plan-card {
        max-width: 100%;
    }

    .subscription-plans {
        flex-direction: column;
        gap: 20px;
    }

    .subscription-divider {
        width: 60px;
        height: 1px;
    }

    .plans-container {
        gap: 60px;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .btn-outline {
        margin-left: 0;
        margin-top: 15px;
        display: block;
    }

    .profile-name {
        font-size: 2rem;
    }

    .profile-body {
        gap: 30px;
    }

    .profile-credentials {
        padding: 25px;
    }

    .credentials-list li {
        font-size: 0.9rem;
    }

    .year {
        min-width: 70px;
        font-size: 0.9rem;
    }

    .access-intro {
        font-size: 1rem;
    }

    .notice-box {
        padding: 20px;
        margin-top: 40px;
    }

    .items-to-bring {
        padding: 30px 20px;
        margin-top: 40px;
    }

    .items-list li {
        font-size: 1rem;
        padding: 15px 0;
    }

    .item-number {
        width: 40px;
        height: 40px;
        line-height: 40px;
        font-size: 0.9rem;
        margin-right: 15px;
    }

    .logo-subtitle {
        font-size: 0.75rem;
    }

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

    .profile-image {
        max-width: 100%;
    }

    .parking-image {
        max-width: 100%;
    }

    .contact-actions {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .contact-action-card {
        padding: 30px 20px;
    }
}