/* ========================================
   リセット & ベーススタイル
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - ロゴに合わせた配色 */
    --primary-purple: #5B2C6F;      /* メインパープル（ロゴの紫） */
    --light-purple: #8B5A9F;        /* ライトパープル */
    --sakura-pink: #D4A5C8;         /* 桜ピンク */
    --silver-gray: #B8B8C8;         /* シルバーグレー */
    --deep-purple: #3D1A4D;         /* ディープパープル */
    --accent-pink: #E6C8E0;         /* アクセントピンク */
    
    /* サブカラー */
    --sumi-black: #2C2C2C;
    --washi-white: #F7F5F0;
    --bamboo-green: #68BE8D;
    --gold: #D4AF37;
    
    /* グレースケール */
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --gray: #999999;
    --dark-gray: #666666;
    
    /* フォント */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    
    /* スペーシング */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.8;
    color: var(--sumi-black);
    background-color: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul, ol {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* ========================================
   共通スタイル
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-purple);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--sakura-pink), var(--primary-purple));
    margin: 15px auto 0;
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: var(--primary-purple);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(139, 41, 72, 0.3);
}

.btn-primary:hover {
    background: #6d1f39;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 41, 72, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-purple);
    border: 2px solid var(--primary-purple);
}

.btn-secondary:hover {
    background: var(--sakura-pink);
    color: var(--white);
    border-color: var(--sakura-pink);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-purple);
}

/* ========================================
   ヘッダー
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    background: transparent !important;
    display: flex;
    align-items: center;
}

.logo a {
    display: block;
    line-height: 0;
    background: transparent !important;
}

.logo-image {
    height: 80px;
    width: auto;
    display: block;
    transition: opacity 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(91, 44, 111, 0.15));
}

.logo-image:hover {
    opacity: 0.85;
}

.logo-placeholder {
    width: 180px;
    height: 60px;
    border: 2px solid var(--sakura-pink);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--washi-white), var(--white));
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-purple);
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

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

.nav-list a {
    font-weight: 500;
    color: var(--sumi-black);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--sakura-pink);
    transition: width 0.3s ease;
}

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

.nav-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.lang-switch {
    padding: 8px 15px;
    border: 1px solid var(--gray);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.lang-switch:hover {
    background: var(--sakura-pink);
    border-color: var(--sakura-pink);
    color: var(--white);
}

.btn-donate {
    padding: 10px 25px;
    background: var(--primary-purple);
    color: var(--white);
    border-radius: 25px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-donate:hover {
    background: #6d1f39;
    transform: translateY(-2px);
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-purple);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

/* ========================================
   メインビジュアル
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

.hero-content {
    position: relative;
    text-align: center;
    color: var(--primary-purple);
    z-index: 1;
    padding: 0 20px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--primary-purple);
    text-shadow: none;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 40px;
    letter-spacing: 3px;
    color: var(--primary-purple);
    opacity: 0.8;
    text-shadow: none;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 2;
    max-width: 900px;
    margin: 0 auto;
    color: var(--sumi-black);
    text-shadow: none;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 桜吹雪アニメーション */
.sakura-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.sakura-petal {
    position: absolute;
    width: 15px;
    height: 15px;
    background: var(--sakura-pink);
    opacity: 0.7;
    border-radius: 50% 0 50% 0;
    animation: fall linear infinite;
    transform-origin: center;
}

/* 桜の花びらの形をより本物らしく */
.sakura-petal::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: 0 50% 0 50%;
    transform: rotate(90deg);
}

/* 落下アニメーション */
@keyframes fall {
    0% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* 揺れるアニメーション */
@keyframes sway {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(30px);
    }
}

/* 複数の桜の花びら - 異なる位置とタイミング */
.sakura-petal:nth-child(1) { left: 5%; animation-duration: 12s; animation-delay: 0s; }
.sakura-petal:nth-child(2) { left: 15%; animation-duration: 10s; animation-delay: 2s; }
.sakura-petal:nth-child(3) { left: 25%; animation-duration: 14s; animation-delay: 4s; }
.sakura-petal:nth-child(4) { left: 35%; animation-duration: 11s; animation-delay: 1s; }
.sakura-petal:nth-child(5) { left: 45%; animation-duration: 13s; animation-delay: 3s; }
.sakura-petal:nth-child(6) { left: 55%; animation-duration: 12s; animation-delay: 5s; }
.sakura-petal:nth-child(7) { left: 65%; animation-duration: 10s; animation-delay: 2s; }
.sakura-petal:nth-child(8) { left: 75%; animation-duration: 14s; animation-delay: 4s; }
.sakura-petal:nth-child(9) { left: 85%; animation-duration: 11s; animation-delay: 0s; }
.sakura-petal:nth-child(10) { left: 95%; animation-duration: 13s; animation-delay: 3s; }
.sakura-petal:nth-child(11) { left: 10%; animation-duration: 12s; animation-delay: 6s; }
.sakura-petal:nth-child(12) { left: 20%; animation-duration: 10s; animation-delay: 1s; }
.sakura-petal:nth-child(13) { left: 30%; animation-duration: 14s; animation-delay: 5s; }
.sakura-petal:nth-child(14) { left: 40%; animation-duration: 11s; animation-delay: 2s; }
.sakura-petal:nth-child(15) { left: 50%; animation-duration: 13s; animation-delay: 4s; }
.sakura-petal:nth-child(16) { left: 60%; animation-duration: 12s; animation-delay: 0s; }
.sakura-petal:nth-child(17) { left: 70%; animation-duration: 10s; animation-delay: 3s; }
.sakura-petal:nth-child(18) { left: 80%; animation-duration: 14s; animation-delay: 6s; }
.sakura-petal:nth-child(19) { left: 90%; animation-duration: 11s; animation-delay: 1s; }
.sakura-petal:nth-child(20) { left: 12%; animation-duration: 13s; animation-delay: 5s; }

/* 異なる色の桜の花びら */
.sakura-petal:nth-child(odd) {
    background: #D4A5C8;  /* 桜ピンク */
}

.sakura-petal:nth-child(even) {
    background: #E6C8E0;  /* アクセントピンク */
}

.sakura-petal:nth-child(3n) {
    background: #B8B8C8;  /* シルバーグレー */
}

/* ========================================
   重要なお知らせ
   ======================================== */
.important-notice {
    background: var(--gold);
    padding: 20px 0;
}

.notice-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--white);
    font-weight: 500;
    flex-wrap: wrap;
}

.notice-content i {
    font-size: 1.5rem;
}

.notice-link {
    color: var(--white);
    text-decoration: underline;
    display: flex;
    align-items: center;
    gap: 5px;
}

.notice-link:hover {
    opacity: 0.8;
}

/* ========================================
   財団について
   ======================================== */
.about-section {
    padding: var(--section-padding);
    background: var(--washi-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--primary-purple);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.9;
}

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

.info-card {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--sakura-pink);
}

.info-card h4 {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--primary-purple);
    margin-bottom: 8px;
}

.info-card p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* ========================================
   事業紹介
   ======================================== */
.business-section {
    padding: var(--section-padding);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.business-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
}

.business-card:nth-child(1) {
    border-top-color: var(--sakura-pink);
}

.business-card:nth-child(2) {
    border-top-color: var(--bamboo-green);
}

.business-card:nth-child(3) {
    border-top-color: var(--deep-purple);
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.business-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sakura-pink), var(--primary-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
    color: var(--white);
}

.business-card:nth-child(2) .business-icon {
    background: linear-gradient(135deg, var(--bamboo-green), #4a9d6d);
}

.business-card:nth-child(3) .business-icon {
    background: linear-gradient(135deg, var(--deep-purple), #153766);
}

.business-card h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--primary-purple);
    margin-bottom: 15px;
}

.business-card > p {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.business-list {
    margin-bottom: 25px;
}

.business-list li {
    padding: 8px 0 8px 20px;
    position: relative;
    color: var(--dark-gray);
    font-size: 0.95rem;
}

.business-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--sakura-pink);
    font-weight: bold;
}

.business-link {
    color: var(--primary-purple);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.business-link:hover {
    gap: 12px;
}

/* ========================================
   数字で見る山櫻会
   ======================================== */
.statistics-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--sakura-pink) 0%, var(--primary-purple) 100%);
    color: var(--white);
}

.statistics-section .section-title {
    color: var(--white);
}

.statistics-section .section-title::after {
    background: var(--white);
}

.statistics-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.statistics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-card {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    font-family: var(--font-serif);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* ========================================
   助成・支援
   ======================================== */
.support-section {
    padding: var(--section-padding);
    background: var(--washi-white);
}

.support-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    color: var(--dark-gray);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.support-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

.support-card h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--primary-purple);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.support-card h3 i {
    color: var(--sakura-pink);
}

.support-card p {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.support-link {
    color: var(--primary-purple);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.support-link:hover {
    gap: 10px;
}

/* ========================================
   ニュース
   ======================================== */
.news-section {
    padding: var(--section-padding);
}

.section-header .view-all {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-purple);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.section-header {
    position: relative;
}

.view-all:hover {
    gap: 10px;
}

.news-list {
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    border-bottom: 1px solid #e0e0e0;
    transition: all 0.3s ease;
    cursor: pointer;
}

.news-item:hover {
    background: var(--washi-white);
    padding-left: 30px;
}

.news-date {
    font-size: 0.95rem;
    color: var(--gray);
    min-width: 100px;
}

.news-category {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--white);
}

.news-category.event {
    background: var(--deep-purple);
}

.news-category.grant {
    background: var(--bamboo-green);
}

.news-category.report {
    background: var(--primary-purple);
}

.news-category.notice {
    background: var(--gold);
}

.news-category.announcement {
    background: var(--sakura-pink);
    color: var(--primary-purple);
}

.news-title {
    flex: 1;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--sumi-black);
}

/* ========================================
   寄付・支援のお願い
   ======================================== */
.donate-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--sakura-pink) 0%, #f5a3b3 100%);
    color: var(--white);
    text-align: center;
}

.donate-content h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.donate-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.donate-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   お問い合わせ
   ======================================== */
.contact-section {
    padding: var(--section-padding);
    background: var(--washi-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--primary-purple);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--sakura-pink);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    font-weight: 600;
    color: var(--primary-purple);
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--dark-gray);
    line-height: 1.7;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--sumi-black);
}

.required {
    color: var(--primary-purple);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--sakura-pink);
    box-shadow: 0 0 0 3px rgba(248, 195, 205, 0.2);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--sumi-black);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo .logo-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(248, 195, 205, 0.3);
    margin-bottom: 15px;
}

.footer-logo .logo-text {
    color: var(--sakura-pink);
}

.footer-logo p {
    color: var(--white);
    font-weight: 500;
    margin-top: 10px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-section h4 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--sakura-pink);
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--sakura-pink);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ========================================
   トップへ戻るボタン
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-purple);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 41, 72, 0.3);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: #6d1f39;
    transform: translateY(-3px);
}

/* ========================================
   レスポンシブデザイン
   ======================================== */

/* タブレット */
@media (max-width: 1024px) {
    :root {
        --section-padding: 60px 0;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 1.15rem;
    }

    .business-grid,
    .support-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .statistics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

/* スマートフォン */
@media (max-width: 768px) {
    :root {
        --section-padding: 50px 0;
    }
    
    .logo-image {
        height: 70px;
    }

    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        padding: 80px 30px 30px;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        transition: right 0.3s ease;
        z-index: 999;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-list li {
        width: 100%;
        border-bottom: 1px solid #eee;
    }

    .nav-list a {
        display: block;
        padding: 15px 0;
    }

    .nav-actions {
        flex-direction: column;
        width: 100%;
        margin-top: 20px;
        gap: 10px;
    }

    .nav-actions a {
        width: 100%;
        text-align: center;
    }

    .hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 1.05rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

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

    .notice-content {
        font-size: 0.9rem;
    }

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

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

    .news-date {
        min-width: auto;
    }

    .section-header .view-all {
        position: static;
        transform: none;
        margin-top: 20px;
        display: inline-flex;
    }

    .donate-content h2 {
        font-size: 1.8rem;
    }

    .donate-content p {
        font-size: 1rem;
    }

    .donate-actions {
        flex-direction: column;
    }

    .donate-actions .btn {
        width: 100%;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* 小さいスマートフォン */
@media (max-width: 480px) {
    .logo-image {
        height: 60px;
    }
    
    .logo-placeholder {
        width: 150px;
        height: 50px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .hero-title {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .btn {
        padding: 12px 30px;
    }

    .contact-form {
        padding: 25px;
    }
}

/* ========================================
   ページヘッダー（下層ページ共通）
   ======================================== */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--washi-white) 0%, var(--white) 100%);
    text-align: center;
    border-bottom: 3px solid var(--sakura-pink);
}

.page-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-purple);
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.nav-list a.active {
    color: var(--primary-purple);
    font-weight: 600;
}

/* ========================================
   理事長挨拶
   ======================================== */
.greeting-section {
    padding: var(--section-padding);
}

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

.greeting-text h3.greeting-name {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--primary-purple);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--sakura-pink);
}

.greeting-text p {
    margin-bottom: 25px;
    line-height: 2;
    font-size: 1.05rem;
}

.greeting-signature {
    text-align: right;
    font-weight: 600;
    margin-top: 40px !important;
    padding-top: 30px;
    border-top: 2px solid var(--sakura-pink);
}

/* ========================================
   設立の理念
   ======================================== */
.philosophy-section {
    padding: var(--section-padding);
    background: var(--washi-white);
}

.philosophy-main {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
}

.philosophy-main h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--primary-purple);
    margin-bottom: 25px;
}

.lead-text {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--dark-gray);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.philosophy-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

.philosophy-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--sakura-pink), var(--primary-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: var(--white);
}

.philosophy-card h4 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--primary-purple);
    margin-bottom: 15px;
}

.philosophy-card p {
    line-height: 1.8;
    color: var(--dark-gray);
}

/* ========================================
   組織概要
   ======================================== */
.overview-section {
    padding: var(--section-padding);
}

.overview-table {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    overflow: hidden;
}

.overview-table tr {
    border-bottom: 1px solid #e0e0e0;
}

.overview-table tr:last-child {
    border-bottom: none;
}

.overview-table th {
    background: var(--washi-white);
    color: var(--primary-purple);
    font-weight: 600;
    text-align: left;
    padding: 20px 30px;
    width: 200px;
    font-size: 1.05rem;
}

.overview-table td {
    padding: 20px 30px;
    color: var(--dark-gray);
    line-height: 1.8;
}

/* ========================================
   役員紹介
   ======================================== */
.officers-section {
    padding: var(--section-padding);
    background: var(--washi-white);
}

.officers-category {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--primary-purple);
    margin: 50px 0 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--sakura-pink);
}

.officers-category:first-child {
    margin-top: 0;
}

.officers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.officer-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.officer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

.officer-photo {
    width: 120px;
    height: 120px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--gray);
    font-size: 3rem;
}

.officer-card h4 {
    color: var(--primary-purple);
    font-weight: 600;
    margin-bottom: 10px;
}

.officer-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.officer-bio {
    font-size: 0.95rem;
    color: var(--dark-gray);
    line-height: 1.7;
}

/* 簡略化された役員紹介 */
.officers-simple {
    max-width: 800px;
    margin: 0 auto;
}

.officer-group {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.officer-group h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--primary-purple);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--sakura-pink);
}

.officer-group > p {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--sumi-black);
}

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

.officer-list li {
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
    font-size: 1.1rem;
    color: var(--sumi-black);
}

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

/* ========================================
   定款・事業報告
   ======================================== */
.documents-section {
    padding: var(--section-padding);
}

.documents-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.document-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

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

.document-icon {
    font-size: 4rem;
    color: var(--primary-purple);
    margin-bottom: 20px;
}

.document-card h4 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--primary-purple);
    margin-bottom: 15px;
}

.document-card p {
    color: var(--dark-gray);
    margin-bottom: 25px;
    line-height: 1.7;
}

.document-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-purple);
    font-weight: 600;
    padding: 12px 25px;
    border: 2px solid var(--primary-purple);
    border-radius: 30px;
    transition: all 0.3s ease;
}

.document-link:hover {
    background: var(--primary-purple);
    color: var(--white);
}

/* ========================================
   アクセス
   ======================================== */
.access-section {
    padding: var(--section-padding);
    background: var(--washi-white);
}

.access-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.access-info h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--primary-purple);
    margin-bottom: 30px;
}

.access-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.access-item i {
    width: 40px;
    height: 40px;
    background: var(--sakura-pink);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.access-item h4 {
    font-weight: 600;
    color: var(--primary-purple);
    margin-bottom: 5px;
}

.access-item p {
    color: var(--dark-gray);
    line-height: 1.7;
}

.map-placeholder {
    width: 100%;
    height: 500px;
    background: var(--light-gray);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-size: 1.1rem;
    text-align: center;
}

.map-placeholder i {
    font-size: 5rem;
    margin-bottom: 20px;
}

/* ========================================
   レスポンシブ - 下層ページ
   ======================================== */

@media (max-width: 1024px) {
    .greeting-content {
        max-width: 100%;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
    }

    .access-content {
        grid-template-columns: 1fr;
    }

    .documents-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 100px 0 40px;
    }

    .page-title {
        font-size: 2.2rem;
    }

    .page-subtitle {
        font-size: 0.95rem;
    }

    .photo-placeholder {
        width: 200px;
        height: 250px;
    }

    .photo-placeholder i {
        font-size: 3.5rem;
    }

    .overview-table th,
    .overview-table td {
        padding: 15px 20px;
        font-size: 0.95rem;
    }

    .overview-table th {
        width: 120px;
    }

    .officers-grid {
        grid-template-columns: 1fr;
    }

    .map-placeholder {
        height: 350px;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.8rem;
    }

    .overview-table {
        font-size: 0.9rem;
    }

    .overview-table th,
    .overview-table td {
        display: block;
        width: 100%;
        padding: 12px 20px;
    }

    .overview-table th {
        background: var(--sakura-pink);
        color: var(--white);
        font-weight: 600;
    }

    .overview-table tr {
        display: block;
        margin-bottom: 15px;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        overflow: hidden;
    }
}

/* ========================================
   プライバシーポリシー
   ======================================== */
.policy-section {
    padding: var(--section-padding);
}

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

.policy-intro {
    background: var(--washi-white);
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--sakura-pink);
    margin-bottom: 50px;
}

.policy-intro p {
    line-height: 2;
    font-size: 1.05rem;
    color: var(--dark-gray);
}

.policy-item {
    margin-bottom: 50px;
}

.policy-item h2 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--primary-purple);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--sakura-pink);
}

.policy-item p {
    line-height: 2;
    margin-bottom: 15px;
    color: var(--dark-gray);
}

.policy-item ul {
    list-style: none;
    padding-left: 0;
    margin: 20px 0;
}

.policy-item ul li {
    padding: 10px 0 10px 30px;
    position: relative;
    line-height: 1.8;
    color: var(--dark-gray);
}

.policy-item ul li::before {
    content: '•';
    position: absolute;
    left: 10px;
    color: var(--sakura-pink);
    font-weight: bold;
    font-size: 1.2rem;
}

.contact-box {
    background: var(--washi-white);
    padding: 30px;
    border-radius: 12px;
    margin-top: 20px;
    border-left: 4px solid var(--primary-purple);
}

.contact-box p {
    margin-bottom: 8px;
    line-height: 1.8;
}

.contact-box strong {
    color: var(--primary-purple);
}

.policy-date {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 3px solid var(--sakura-pink);
    text-align: right;
}

.policy-date p {
    margin-bottom: 10px;
    color: var(--dark-gray);
}

.policy-footer {
    margin-top: 30px;
    font-weight: 600;
    color: var(--primary-purple);
}

@media (max-width: 768px) {
    .policy-item h2 {
        font-size: 1.5rem;
    }

    .policy-intro,
    .contact-box {
        padding: 20px;
    }
}

/* ========================================
   お問い合わせページ
   ======================================== */
.contact-page-section {
    padding: var(--section-padding);
}

.contact-page-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
    line-height: 2;
    color: var(--dark-gray);
}

.contact-page-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--primary-purple);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--sakura-pink);
}

.contact-form-wrapper .contact-form {
    background: var(--white);
    padding: 0;
    box-shadow: none;
}

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

.contact-form select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.contact-form select:focus {
    outline: none;
    border-color: var(--sakura-pink);
    box-shadow: 0 0 0 3px rgba(248, 195, 205, 0.2);
}

.privacy-agree {
    margin-top: 10px;
}

.privacy-agree label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.privacy-agree input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.privacy-agree a {
    color: var(--primary-purple);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    font-size: 1.1rem;
    margin-top: 20px;
}

/* 連絡先情報カード */
.contact-info-card {
    background: var(--washi-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.contact-info-card h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--primary-purple);
    margin-bottom: 25px;
    text-align: center;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #e0e0e0;
}

.contact-info-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.contact-info-item i {
    width: 40px;
    height: 40px;
    background: var(--sakura-pink);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-weight: 600;
    color: var(--primary-purple);
    margin-bottom: 5px;
    font-size: 0.95rem;
}

.contact-info-item p {
    color: var(--dark-gray);
    line-height: 1.7;
}

.contact-info-item a {
    color: var(--primary-purple);
    text-decoration: underline;
}

.contact-info-item a:hover {
    color: var(--sakura-pink);
}

/* 注意事項 */
.contact-note {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid var(--gold);
}

.contact-note h4 {
    color: var(--primary-purple);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-note h4 i {
    color: var(--gold);
}

.contact-note ul {
    list-style: none;
    padding-left: 0;
}

.contact-note ul li {
    padding: 8px 0 8px 20px;
    position: relative;
    color: var(--dark-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

.contact-note ul li::before {
    content: '・';
    position: absolute;
    left: 5px;
    color: var(--gold);
}

/* アクセスマップセクション */
.contact-map-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 3px solid var(--sakura-pink);
}

.contact-map-section h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--primary-purple);
    margin-bottom: 40px;
    text-align: center;
}

.access-details {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
}

.access-text h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--primary-purple);
    margin-bottom: 20px;
}

.access-text ul {
    list-style: none;
    padding-left: 0;
}

.access-text ul li {
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
    line-height: 1.8;
}

.access-text ul li:last-child {
    border-bottom: none;
}

.access-text ul li strong {
    color: var(--primary-purple);
    display: block;
    margin-bottom: 5px;
}

.map-container {
    width: 100%;
}

/* レスポンシブ - お問い合わせページ */
@media (max-width: 1024px) {
    .contact-page-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .access-details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-info-card {
        padding: 25px 20px;
    }

    .contact-note {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .contact-page-intro {
        font-size: 1rem;
    }

    .contact-form-wrapper h2,
    .contact-info-wrapper h2 {
        font-size: 1.5rem;
    }

    .contact-map-section h2 {
        font-size: 1.6rem;
    }
}