/* ===================================
   基本設定
=================================== */
:root {
    --color-base: #F8F6F3;
    --color-main: #D4A574;
    --color-sub: #8B9D83;
    --color-cta: #C77D6C;
    --color-text: #2C2C2C;
    --color-white: #FFFFFF;
    --color-light-gray: #F5F5F5;
    
    --font-family: 'Noto Sans JP', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-base);
    line-height: 1.9;
    font-size: 16px;
    font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    line-height: 1.6;
}

a {
    color: var(--color-main);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--color-cta);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===================================
   ヘッダー
=================================== */
.header {
    background-color: rgba(255, 255, 255, 0.75) !important; /* 少し透過を強める */
    backdrop-filter: blur(10px); /* 背後をぼかす */
    -webkit-backdrop-filter: blur(10px); /* Safari用 */
    border-bottom: 1px solid #fcfcfc;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 0;
}

.navbar {
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-main) !important;
}

.nav-link {
    color: var(--color-text) !important;
    font-weight: 400;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--color-cta) !important;
}

/* ===================================
   セクション共通
=================================== */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    color: var(--color-text);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-main), var(--color-sub));
    margin: 1rem auto 0;
    border-radius: 2px;
}

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

/* ===================================
   ファーストビュー
=================================== */
.hero {
    /*background: linear-gradient(135deg, rgba(212, 165, 116, 0.1), rgba(139, 157, 131, 0.1));*/
    background-image: linear-gradient(rgba(240, 244, 255, 0.8), rgba(255, 255, 255, 0.85)), url('../../archive/26/01/26_01_img/0124_2_07.webp');
    background-size: cover;
    background-position: top center;
    background-attachment: fixed; /* PCパララックス */
    padding: 80px 0;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-label {
    display: inline-block;
    background-color: var(--color-main);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
}

.hero-title {
    font-size: 2.5rem;
}

.hero-title .highlight {
    color: var(--color-cta);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-sub);
}

.hero-description {
    background-color: var(--color-white);
    border-radius: 12px;
}

.hero-description .lead {
    font-size: 1.1rem;
}

/* ===================================
   CTAボタン
=================================== */
.cta-button {
    background: linear-gradient(135deg, #C77D6C, #D4A574);
    border: none;
    color: var(--color-white);
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(199, 125, 108, 0.4);
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: linear-gradient(135deg, #D4A574, #C77D6C);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(199, 125, 108, 0.6);
    color: var(--color-white);
}

/* ===================================
   モヤモヤセクション
=================================== */
.problem-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.problem-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-main);
    text-align: center;
    margin-bottom: 1.5rem;
}

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

.problem-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #E8E8E8;
    position: relative;
    padding-left: 1.5rem;
}

.problem-list li:before {
    content: "・";
    position: absolute;
    left: 0;
    color: var(--color-cta);
    font-weight: 700;
}

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

.highlight-text {
    font-size: 1.1rem;
    color: var(--color-cta);
    background-color: rgba(199, 125, 108, 0.1);
    border-radius: 8px;
}

/* ===================================
   ソリューションセクション
=================================== */
.solution-box {
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.highlight-box {
    background-color: rgba(139, 157, 131, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-sub);
    margin: 2rem 0;
}

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

.checkmark-list li {
    padding: 0.75rem 0;
    position: relative;
    padding-left: 2rem;
}

.checkmark-list li:before {
    content: "✔";
    position: absolute;
    left: 0;
    color: var(--color-sub);
    font-weight: 700;
    font-size: 1.2rem;
}

.conclusion-box {
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.1), rgba(139, 157, 131, 0.1));
    padding: 2rem;
    border-radius: 12px;
}

.conclusion-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.event-info-compact p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* ===================================
   特徴グリッド
=================================== */
.feature-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #E8E8E8;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.feature-card h4 {
    font-size: 1.1rem;
    color: var(--color-main);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--color-text);
}

/* ===================================
   選ばれる理由
=================================== */
.reason-item {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 12px;
}

.reason-number {
    display: block;
    background: linear-gradient(135deg, var(--color-main), var(--color-sub));
    color: var(--color-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    text-align: center;
    line-height: 50px;
    font-size: 1.25rem;
}

.reason-title {
    font-size: 1.5rem;
    color: var(--color-text);
}

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

.simple-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.simple-list li:before {
    content: "⚫︎";
    position: absolute;
    left: 0;
    color: var(--color-main);
}
.simple-list.none li:before {
    content: "";
}

.achievement-box {
    background-color: rgba(139, 157, 131, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.column-item {
    background-color: rgba(212, 165, 116, 0.05);
    border-radius: 8px;
}

.column-item-title {
    font-size: 1.1rem;
    color: var(--color-main);
}

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

.warning-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: #999;
}

.warning-list li:before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #999;
}

/* ===================================
   講師紹介
=================================== */
.instructor-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-main);
    margin-bottom: 0.5rem;
}

.instructor-title {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-sub);
    margin-bottom: 1rem;
}

.instructor-description {
    font-size: 1.05rem;
    line-height: 1.8;
}

.instructor-section {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.subsection-title {
    font-size: 1.5rem;
    color: var(--color-main);
    border-bottom: 2px solid var(--color-main);
}

.story-box {
    background-color: rgba(139, 157, 131, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-sub);
}

.story-box h5 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-sub);
    margin-bottom: 0.75rem;
}

.concept-box {
    background: linear-gradient(135deg, rgba(212, 165, 116, 0.05), rgba(139, 157, 131, 0.05));
    padding: 2rem;
    border-radius: 12px;
}

.concept-box h5 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-cta);
}

/* ===================================
   プログラム
=================================== */
.program-card {
    background-color: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
}

.program-header {
    padding: 1.5rem 2rem;
    color: var(--color-white);
}

.program-header.part1 {
    background: linear-gradient(135deg, var(--color-sub), #9AAF8E);
}

.program-header.part2 {
    background: linear-gradient(135deg, var(--color-main), #E0B885);
}

.program-header-title {
    font-size: 1.5rem;
}

.program-time {
    font-size: 1.1rem;
}

.program-body {
    padding: 2rem;
}

.program-theme {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-main);
    margin-bottom: 1.5rem;
}

.program-problem {
    background-color: rgba(199, 125, 108, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.program-benefit {
    background-color: rgba(139, 157, 131, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.program-benefit-title,
.program-recommend-title {
    font-size: 1.1rem;
    color: var(--color-sub);
}

.benefit-highlight {
    background-color: var(--color-main);
    color: var(--color-white);
    border-radius: 8px;
}

/* ===================================
   料金プラン
=================================== */
.pricing-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #E8E8E8;
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.pricing-card.recommended {
    border-color: var(--color-cta);
    background: linear-gradient(135deg, rgba(199, 125, 108, 0.05), rgba(212, 165, 116, 0.05));
}

.recommended-badge {
    background-color: var(--color-cta);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    display: inline-block;
}

.pricing-card-title {
    font-size: 1.25rem;
    color: var(--color-text);
}

.price {
    font-size: 2rem;
    color: var(--color-cta);
}

.price-note {
    font-size: 0.9rem;
    color: var(--color-text);
}

.pricing-description {
    font-size: 0.95rem;
    margin-top: 1rem;
}

/* ===================================
   開催概要
=================================== */
.details-box {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
}

.detail-item {
    border-bottom: 1px solid #E8E8E8;
}

.detail-item:last-child {
    border-bottom: none;
}

/* ===================================
   参加者の声
=================================== */
.testimonial-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.testimonial-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
    margin: 0;
}

.testimonial-text:before {
    content: "";
    font-size: 2rem;
    color: var(--color-main);
    line-height: 0;
}

.testimonial-text:after {
    content: "";
    font-size: 2rem;
    color: var(--color-main);
    line-height: 0;
}

/* ===================================
   ギャラリー
=================================== */
.gallery-container img {
    transition: transform 0.3s ease;
    cursor: pointer;
}
.gallery-container img:hover { transform: scale(1.05); }

/* ===================================
   FAQ（アコーディオン）
=================================== */
.accordion-item {
    background-color: var(--color-white);
    border: 1px solid #E8E8E8;
    border-radius: 8px;
    overflow: hidden;
}

.accordion-button {
    background-color: var(--color-white);
    color: var(--color-text);
    font-size: 1.05rem;
    padding: 1.25rem 1.5rem;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(212, 165, 116, 0.1);
    color: var(--color-main);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--color-main);
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23D4A574'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    line-height: 1.9;
}

/* ===================================
   最終CTA
=================================== */
.final-cta-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

.final-benefits p {
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0.5rem 0;
}

/* ===================================
   フッター
=================================== */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
}

.footer a {
    color: var(--color-main);
}

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

/* ===================================
   フローティング申込ボタン（PC）
=================================== */
.floating-apply-btn {
    position: fixed;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.floating-link {
    display: block;
    background: linear-gradient(180deg, var(--color-cta), var(--color-main));
    color: var(--color-white);
    padding: 2rem 1.2rem 2rem 1rem;
    text-decoration: none;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    border-radius: 8px 0 0 8px;
}

.floating-link:hover {
    background: linear-gradient(180deg, var(--color-main), var(--color-cta));
    transform: translateX(-5px);
    color: var(--color-white);
}

.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-size: 1.1rem;
    letter-spacing: 0.2em;
}

/* ===================================
   上に戻るボタン（PC）
=================================== */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1000;
}

.back-to-top-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--color-sub);
    color: var(--color-white);
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.back-to-top-link:hover {
    background-color: var(--color-main);
    transform: translateY(-5px);
    color: var(--color-white);
}

.back-to-top-link i {
    font-size: 1.5rem;
}

/* ===================================
   モバイルフローティングバー
=================================== */
.mobile-floating-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background-color: var(--color-white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.mobile-apply-btn,
.mobile-back-btn {
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.mobile-apply-btn {
    background: linear-gradient(135deg, var(--color-cta), var(--color-main));
    color: var(--color-white);
    border-right: 1px solid rgba(255, 255, 255, 0.3);
    width: 70%;
}

.mobile-apply-btn:hover {
    background: linear-gradient(135deg, var(--color-main), var(--color-cta));
    color: var(--color-white);
}

.mobile-back-btn {
    background-color: var(--color-sub);
    color: var(--color-white);
    width: 30%;
    vertical-align: middle;
}

.mobile-back-btn:hover {
    background-color: var(--color-main);
    color: var(--color-white);
}

.btn-modal-close {
    top: 5px;
    right: 5px;
    font-size: 2.5em;
}

.modal-header {
    background-color: var(--color-sub);
}

/* ===================================
   レスポンシブ対応
=================================== */
@media (max-width: 991px) {
    .section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 60px 0;
        background-attachment: scroll; 
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .two-column-box {
        grid-template-columns: 1fr;
    }

    .btn-modal-close {
        top: 0;
        right: 0;
        font-size: 2.0em;
    }

    body {
        padding-bottom: 70px; /* モバイルバー分の余白 */
    }
}

@media (max-width: 767px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .cta-button {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }
    
    .solution-box,
    .instructor-section,
    .program-body {
        padding: 1.5rem;
    }
}

/* ===================================
   印刷対応
=================================== */
@media print {
    .header,
    .floating-apply-btn,
    .back-to-top,
    .mobile-floating-bar {
        display: none;
    }
}