/* デザイン変数 */
:root {
    --moss-green: #4a5d23;    /* 深い苔色 */
    --leaf-green: #88a04e;    /* 若草色 */
    --beige-bg: #fdfaf1;      /* 生成り色の背景 */
    --sand-brown: #d4a373;    /* 枯れ葉色のアクセント */
    --pure-white: #ffffff;
    --text-black: #2d3436;
    --font-serif: 'Shippori Mincho', serif;
    --font-sans: 'Zen Maru Gothic', sans-serif;
}

/* 基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--beige-bg);
    color: var(--text-black);
    font-family: var(--font-sans);
    line-height: 2;
    font-size: 18px;
    overflow-x: hidden;
}

/* ヘッダー：透過から浮き上がる */
header {
    height: 100px;
    background-color: rgba(253, 250, 241, 0.9);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(74, 93, 35, 0.1);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--moss-green);
}

.logo span {
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--leaf-green);
    margin-left: 5px;
}

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

nav a {
    text-decoration: none;
    color: var(--text-black);
    font-weight: 500;
    font-size: 0.95rem;
    transition: 0.3s;
}

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

/* ヒーロー：縦書きと全画面 */
.hero-nature {
    height: 100vh;
    background-image: url('https://images.unsplash.com/photo-1544955319-75d167198e2a?auto=format&fit=crop&q=80&w=1600');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 10%;
    color: var(--pure-white);
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(0,0,0,0.6) 0%, transparent 100%);
}

.hero-text {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.vertical-title {
    writing-mode: vertical-rl;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    letter-spacing: 0.5em;
    border-right: 1px solid var(--pure-white);
    padding-right: 15px;
    margin-bottom: 40px;
    height: 200px;
}

.hero-text h1 {
    font-family: var(--font-serif);
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 30px;
}

/* スポット紹介：リーフ・フロート配置 */
.spot-section {
    padding: 150px 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-intro {
    text-align: center;
    margin-bottom: 100px;
}

.section-intro h2 {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    color: var(--moss-green);
    margin-bottom: 20px;
}

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

.spot-item {
    background-color: var(--pure-white);
    border-radius: 100px 100px 20px 20px; /* 葉っぱのような曲線 */
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
    transition: 0.4s;
}

.spot-item:hover {
    transform: translateY(-15px);
}

/* 2つ目のアイテムだけ少し下げる（動きを出す） */
.mt-plus {
    margin-top: 80px;
}

.spot-img {
    height: 400px;
    overflow: hidden;
}

.spot-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.spot-content {
    padding: 40px 30px;
    text-align: center;
}

.location {
    color: var(--sand-brown);
    font-weight: 700;
    font-size: 0.8rem;
    display: block;
    margin-bottom: 15px;
}

.spot-content h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--moss-green);
}

.spot-content p {
    font-size: 0.95rem;
    color: #666;
}

/* 引用セクション */
.nature-quote {
    padding: 200px 0;
    background-image: url('https://images.unsplash.com/photo-1545569341-9eb8b30979d9?auto=format&fit=crop&q=80&w=1600');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    text-align: center;
    position: relative;
}

.nature-quote::before {
    content: '';
    position: absolute;
    top:0; left:0; width:100%; height:100%;
    background-color: rgba(74, 93, 35, 0.4);
}

.quote-inner {
    position: relative;
    z-index: 1;
    color: var(--pure-white);
}

.quote-inner blockquote {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-style: italic;
    padding: 0 20px;
}

/* フッター */
footer {
    padding: 100px 20px;
    background-color: var(--moss-green);
    color: var(--beige-bg);
    text-align: center;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin-bottom: 20px;
}

.copyright {
    margin-top: 40px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* レスポンシブ */
@media (max-width: 1000px) {
    .hero-text h1 { font-size: 2.8rem; }
    .spot-grid {
        grid-template-columns: 1fr;
        padding: 0 40px;
    }
    .mt-plus { margin-top: 0; }
    .spot-item { border-radius: 40px; }
    .hero-nature { justify-content: center; text-align: center; }
    .vertical-title { display: none; }
}