/* =========================================
   ベース設定・カラーパレット
   ========================================= */
:root {
    --color-primary: #C5A059;       /* シャンパンゴールド */
    --color-primary-light: #E0C588; /* ソフトゴールド */
    --color-bg: #FCFBF7;            /* エクリュホワイト */
    --color-bg-light: #F6F4EB;      /* ほんのりベージュ */
    --color-text: #2D2B28;          /* 墨色（ウォームチャコール） */
    --color-text-muted: #736E65;    /* 上品なグレー */
    --color-border: #EADBBE;        /* 繊細な境界線 */
    --font-mincho: 'Shippori Mincho', serif;
    --font-gothic: 'Noto Sans JP', sans-serif;
    --shadow-soft: 0 10px 30px rgba(197, 160, 89, 0.08);
    --shadow-hover: 0 15px 40px rgba(197, 160, 89, 0.15);
}

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

body {
    font-family: var(--font-gothic);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.8;
    letter-spacing: 0.05em;
    -webkit-font-smoothing: antialiased;
}

img { width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    width: min(1000px, 90%);
    margin: 0 auto;
}

.section { padding: 120px 0; }
.bg-light { background-color: var(--color-bg-light); }

/* =========================================
   見出しスタイル
   ========================================= */
h1, h2, h3, .catch-main {
    font-family: var(--font-mincho);
    font-weight: 700;
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
}

.section-title span {
    display: block;
    color: var(--color-primary);
    font-size: 1.2rem;
    letter-spacing: 0.25em;
    margin-bottom: 10px;
    font-family: var(--font-gothic);
}

.section-title h2 {
    font-size: 3.2rem;
    color: var(--color-text);
}

/* =========================================
   ヘッダー・ナビゲーション
   ========================================= */
header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    transition: all 0.4s ease;
    background-color: transparent;
}

header.scrolled {
    background-color: rgba(252, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    color: var(--color-text);
}

.pc-nav {
    display: flex;
    align-items: center;
}

.pc-nav ul {
    display: flex;
    gap: 30px;
    align-items: center;
}

.pc-nav a {
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-contact {
    border: 1px solid var(--color-primary);
    padding: 10px 24px;
    border-radius: 30px;
    color: var(--color-primary);
    transition: all 0.3s !important;
}

.btn-contact:hover {
    background-color: var(--color-primary);
    color: #fff !important;
}

/* ヘッダーSNSアイコン */
.sns-icons-header {
    display: flex;
    gap: 15px;
    margin-left: 25px;
    padding-left: 25px;
    border-left: 1px solid var(--color-border);
}

.sns-icons-header a {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    transition: all 0.3s ease;
}

.sns-icons-header a:hover {
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* =========================================
   ヒーローセクション（レイヤー構造）
   ========================================= */
.hero-layered {
    position: relative;
    width: 100%;
    height: 95vh;
    min-height: 700px;
    max-height: 1000px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #fff 100%);
    border-radius: 0 0 4vw 4vw;
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-text-area {
    width: 55%;
    padding-left: 5%;
    z-index: 3;
}

.catch-sub {
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 20px;
    letter-spacing: 0.1em;
}

.catch-main {
    font-size: 3.5rem;
    line-height: 1.4;
    color: var(--color-text);
    text-shadow: 0 4px 15px rgba(255,255,255,0.9);
}

.hero-portrait {
    position: absolute;
    bottom: 0; right: 5%;
    height: 90%;
    z-index: 2;
}

.hero-portrait img {
    height: 100%; width: auto;
    object-fit: contain;
    object-position: bottom;
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.1));
}

/* =========================================
   メッセージ（想い）
   ========================================= */
.message-wrapper {
    display: flex;
    align-items: center;
    gap: 60px;
}

.message-photo {
    flex: 1;
    position: relative;
}

.message-photo img {
    border-radius: 20px 20px 20px 100px;
    box-shadow: var(--shadow-soft);
}

.message-body {
    flex: 1;
}

.message-body h3 {
    font-size: 2.2rem;
    line-height: 1.5;
    margin-bottom: 30px;
    color: var(--color-text);
}

.message-body p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

/* =========================================
   政策カード
   ========================================= */
.policy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.policy-card {
    background: #fff;
    border-radius: 20px;
    padding: 50px 30px;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.policy-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-primary));
}

.policy-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.policy-number {
    font-size: 3rem;
    font-family: var(--font-mincho);
    color: var(--color-primary-light);
    opacity: 0.5;
    margin-bottom: 20px;
}

.policy-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.policy-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.policy-link {
    display: inline-block;
    margin-top: 30px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.95rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.policy-card:hover .policy-link {
    transform: translateX(6px); /* カーソルを乗せると右にフワッと動く */
    color: var(--color-text);
}

/* =========================================
   活動報告カード
   ========================================= */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.activity-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: all 0.4s ease;
    display: flex; flex-direction: column;
}

.activity-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.activity-image {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.activity-image img {
    height: 100%; object-fit: cover;
    transition: transform 0.5s ease;
}

.activity-card:hover .activity-image img {
    transform: scale(1.05);
}

.activity-content { padding: 25px; }

.activity-content time {
    display: block;
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.activity-content h3 {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* =========================================
   応援・サポートカード
   ========================================= */
.support-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
    margin: 0 auto;
}

/* =========================================
   お問い合わせ
   ========================================= */
.contact-box {
    background: linear-gradient(135deg, #C5A059 0%, #D8B870 100%);
    border-radius: 30px;
    padding: 80px 40px;
    text-align: center;
    color: #fff;
    box-shadow: 0 20px 40px rgba(197, 160, 89, 0.2);
}

.contact-box span { letter-spacing: 0.2em; display: block; margin-bottom: 10px;}
.contact-box h2 { font-size: 2.8rem; margin-bottom: 20px; color: #fff; }
.contact-box p { margin-bottom: 40px; }

.btn-primary {
    background: #fff;
    color: var(--color-primary);
    padding: 16px 50px;
    border-radius: 50px;
    font-weight: 700;
    display: inline-block;
    transition: transform 0.3s;
}

.btn-primary:hover { transform: translateY(-3px); }

/* =========================================
   フッター
   ========================================= */
footer { background-color: var(--color-text); color: #fff; text-align: center; padding: 80px 20px 40px; border-radius: 4vw 4vw 0 0; }
.footer-logo { font-family: var(--font-mincho); font-size: 1.8rem; margin-bottom: 20px; }
.footer-nav { display: flex; justify-content: center; gap: 30px; list-style: none; margin-bottom: 30px; flex-wrap: wrap; }
.footer-sns { display: flex; justify-content: center; gap: 30px; margin-bottom: 30px; }
.footer-sns a { font-size: 1.6rem; color: rgba(255, 255, 255, 0.7); transition: all 0.3s ease; }
.footer-sns a:hover { color: var(--color-primary-light); transform: translateY(-3px); }

/* =========================================
   アニメーション (フェードイン)
   ========================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.is-visible {
    opacity: 1; transform: translateY(0);
}
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* =========================================
   スマホ対応 (レスポンシブ)
   ========================================= */
.hamburger {
    display: none; width: 30px; height: 20px;
    flex-direction: column; justify-content: space-between;
    z-index: 2000;
    cursor: pointer;
}
.hamburger span { width: 100%; height: 2px; background: var(--color-text); transition: 0.3s; }
.mobile-nav { display: none; }

/* =========================================
   下層ページ：ページヘッダー
   ========================================= */
.page-header {
    padding: 180px 0 80px;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #fff 100%);
    text-align: center;
    border-radius: 0 0 4vw 4vw;
    margin-bottom: 80px;
}
.page-header-title {
    font-size: 3.2rem;
    font-family: var(--font-mincho);
    color: var(--color-text);
    margin-bottom: 10px;
}
.page-header-sub {
    font-size: 1rem;
    color: var(--color-primary);
    letter-spacing: 0.2em;
    font-family: var(--font-gothic);
    font-weight: 700;
}

/* =========================================
   下層ページ：政策詳細セクション
   ========================================= */
.policy-detail-section {
    padding: 20px 0;
}

.policy-block {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 120px;
}

/* 偶数番目のブロックは左右を逆にする（ジグザグレイアウト） */
.policy-block:nth-child(even) {
    flex-direction: row-reverse;
}

.policy-block-image {
    flex: 1;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.policy-block-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.policy-block-content {
    flex: 1;
}

.policy-block-number {
    font-family: var(--font-mincho);
    font-size: 4rem;
    color: var(--color-primary-light);
    opacity: 0.5;
    line-height: 1;
    margin-bottom: 10px;
}

.policy-block-title {
    font-size: 2.2rem;
    color: var(--color-text);
    margin-bottom: 20px;
    line-height: 1.4;
    font-family: var(--font-mincho);
}

.policy-block-lead {
    font-size: 1.1rem;
    color: var(--color-text);
    font-weight: 700;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
}

/* 具体策のリスト装飾（FontAwesomeのチェックマーク付き） */
.policy-list {
    list-style: none;
}

.policy-list li {
    position: relative;
    padding-left: 1.8em;
    margin-bottom: 15px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.policy-list li::before {
    content: '\f00c'; /* FontAwesomeのチェックアイコン */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0.1em;
    color: var(--color-primary);
    font-size: 1.1em;
}

/* =========================================
   下層ページ： 寄付セクション
   ========================================= */
.donation-detail-section {
    padding: 20px 0 120px;
}
.donation-intro {
    margin-bottom: 50px;
    text-align: center;
}

.donation-intro p {
    font-size: 1.1rem;
    line-height: 2;
}

.donation-rules {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    margin-bottom: 60px;
}

.donation-rules h3 {
    font-family: var(--font-mincho);
    font-size: 1.5rem;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 10px;
}

.donation-rules h3 i {
    color: var(--color-primary);
    margin-right: 8px;
}

.donation-rules ul {
    list-style: disc;
    padding-left: 20px;
    color: var(--color-text-muted);
    line-height: 2;
}

.faq-section h3 {
    font-family: var(--font-mincho);
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 40px;
}

.faq-item {
    background: #fff;
    padding: 25px 30px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-soft);
}

.faq-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--color-primary-dark);
}

.faq-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* =========================================
   下層ページ： ボランティアセクション
   ========================================= */
.volunteer-detail-section {
    padding: 20px 0 120px;
}
.volunteer-intro {
    text-align: center;
    margin-bottom: 70px;
}

.volunteer-intro h2 {
    font-family: var(--font-mincho);
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.volunteer-intro p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 2;
}

@media screen and (max-width: 768px) {
    .section { padding: 80px 0; }
    .section-title h2 { font-size: 2.4rem; }
    
    .pc-nav { display: none; }
    .hamburger { display: flex; }
    
    .mobile-nav {
        position: fixed; top: 0; right: -100%;
        width: 100%; height: 100vh;
        background: rgba(252, 251, 247, 0.98);
        display: flex; align-items: center; justify-content: center;
        flex-direction: column; z-index: 1500; transition: 0.4s;
    }
    .mobile-nav.active { right: 0; }
    .mobile-nav ul { text-align: center; font-size: 1.5rem; line-height: 3; }
    
    /* モバイルメニュー内のSNSアイコン */
    .mobile-sns {
        display: flex;
        justify-content: center;
        gap: 25px;
        margin-top: 40px;
    }
    
    .mobile-sns a {
        font-size: 1.8rem;
        color: var(--color-text-muted);
        transition: color 0.3s;
    }

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

    .hamburger.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

    .hero-layered { height: auto; padding-top: 100px; padding-bottom: 0; }
    .hero-content-wrapper { flex-direction: column; }
    .hero-text-area { width: 100%; padding: 0 20px; text-align: center; margin-bottom: 20px;}
    .catch-main { font-size: 2.4rem; }
    .hero-portrait { position: relative; height: 50vh; right: auto; margin-top: 20px;}

    .message-wrapper { flex-direction: column; gap: 40px; }
    .message-photo img { border-radius: 20px; }

    .policy-grid, .activity-grid { grid-template-columns: 1fr; }

    .page-header {
        padding: 130px 20px 50px;
        margin-bottom: 50px;
    }
    .page-header-title {
        font-size: 2.4rem;
    }

    /* スマホではジグザグを解除し、全て画像→テキストの縦並びに */
    .policy-block, 
    .policy-block:nth-child(even) {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 70px;
    }
    .policy-block-title {
        font-size: 1.8rem;
    }

    .support-grid {
        grid-template-columns: 1fr !important;
        max-width: 100%;
        gap: 24px;
    }
    .support-grid .policy-card {
        padding: 40px 24px !important;
    }
}