:root {
    --primary-bg: #683017;
    --accent: #c24c4a;
    --accent-dark: #8b0000;
    --dark: #933b3a;
    --white: #fff;
    --brown: #6c2e19;
    --brown-dark: #481e10;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #ac6564;
    color: #ffffff;
}

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

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

/* カスタム色クラス */

.text-accent {
    color: var(--accent);
}

.bg-gray-900 {
    background-color: var(--dark);
}

.bg-gray-800 {
    background-color: #eae9cb;
}

.text-gray-200 {
    color: #eae9ce;
}

.text-gray-300 {
    color: #956034;
}

.text-white {
    color: #fff;
}

.text-sm {
    font-size: 0.875rem;
}

.rounded-lg {
    border-radius: 0.5rem;
    margin: 1em 0;
}

.p-6 {
    padding: 0.5em 1em;
}

.shadow-2xl {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
}

/* コンテナ & セクション */

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px;
}

.section-padding {
    padding: 1rem 0;
}

@media (min-width: 768px) {
    .section-padding {
        padding: 1rem 0 4rem 0;
    }
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: 2.5rem;
    }
}

.section-header p {
    font-size: 1rem;
    color: #e5e7eb;
}

/* ナビゲーション */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(47, 27, 20, 0.95);
    background-color: var(--brown-dark);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(139, 0, 0, 0.3);
    z-index: 50;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
}

nav .logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent);
}

nav .nav-links {
    display: none;
    gap: 2rem;
    font-size: 0.95rem;
}

nav .nav-links a {
    transition: color 0.2s ease;
}

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

#menu-toggle {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
}

@media (min-width: 768px) {
    nav .nav-links {
        display: flex;
    }

    #menu-toggle {
        display: none;
    }
}

/* モバイルメニュー */

#mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(47, 27, 20, 0.95);
    z-index: 40;
}

#mobile-menu .container {
    padding: 80px 16px 20px;
}

#mobile-menu .menu-inner {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
    font-size: 1.4rem;
}

.hidden {
    display: none;
}

i.fas {
    padding-right: 0.5em;
}

/* ヒーロー */

#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

#hero img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(139, 69, 19, 0.5), rgba(139, 0, 0, 0.2));
}

#hero .hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 16px;
    max-width: 720px;
    margin: 0 auto;
}

#hero h1 {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: 0.12em;
}

#hero img.logo-img {
    position: static;
    width: auto;
    height: auto;
    object-fit: contain;
    inset: auto;
}

.hero-logo {
    width: 6em;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero-logo img {
    width: 100%;
    max-width: 80%;
    height: auto;
    margin: 0 auto;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
}

@media (min-width: 768px) {
    #hero h1 {
        font-size: 3.5rem;
    }
}

#hero p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    #hero p {
        font-size: 1.3rem;
    }
}

.text-shadow {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
    justify-content: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

/* Concept 見出し */

.concept-title-wrap {
    position: relative;
    display: inline-block;
    padding: 1rem 2rem;
}

.concept-title-wrap::before {
    content: "𝄞";
    position: absolute;
    font-size: 14rem !important;
    color: rgba(255, 255, 255, 0.1);
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    user-select: none;
    line-height: 1;
    font-family: "Noto Music", serif;
}

.concept-title {
    font-family: "Sacramento", cursive;
    font-size: 4rem !important;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    text-align: center;
    padding-top: 2em;
}

.concept-sub {
    font-size: 0.9rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    margin-top: 0;
    padding: 0;
    text-align: center;
}

/* 地図 */

.map-wrap {
    width: 100%;
    height: 450px;
    margin-top: 2rem;
    border-radius: 0.5em;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.map-wrap iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.map-wrap p {
    padding: 0 2em;
}

/* 空間セクション */

.space-y-6 {
    width: 100%;
}

.space-y-6 img {
    width: 100%;
}

.space-photos {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1em;
}

.space-photos img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 0.5rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.26);
}

@media (min-width: 768px) {
    #space .space-y-6 {
        max-width: 620px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* ボタン */

.btn {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    border-radius: 999px;
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
    background-color: var(--accent-dark);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background-color: #a00000;
}

.btn-outline {
    border: 1px solid var(--white);
    color: var(--white);
    background: color-mix(in srgb, var(--accent) 50%, transparent);
}

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

/* グリッドレイアウト */

.grid {
    display: grid;
    gap: 3rem;
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.gap-8 {
    gap: 2rem;
}

.gap-12 {
    gap: 3rem;
}

/* カード */

.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(139, 0, 0, 0.3);
}

/* 汎用余白 & テキスト */

.mb-6 {
    margin-bottom: 1.5rem;
}

.leading-relaxed {
    line-height: 1.8;
}

.font-bold {
    font-weight: 700;
}

.font-medium {
    font-weight: 500;
}

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

.text-2xl {
    font-size: 1.5rem;
}

.text-xl {
    font-size: 1.25rem;
}

.text-lg {
    font-size: 1.125rem;
}

.w-full {
    width: 100%;
}

.aspect-video {
    aspect-ratio: 16 / 9;
}

.object-cover {
    object-fit: cover;
}

.flex {
    display: flex;
}

.justify-center {
    justify-content: center;
}

.items-start {
    align-items: flex-start;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.mr-2 {
    margin-right: 0.5rem;
}

/* SNS アイコン丸 */

.sns-circle {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.4rem;
}

@media (max-width: 767px) {
    .sns-circle {
        width: 70px;
        height: 70px;
        font-size: 2rem;
        margin-bottom: 1rem;
    }
}

/* フッター */

footer {
    background-color: var(--brown-dark);
    padding: 3rem 0;
}

footer .sns-footer {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

footer .sns-footer a {
    color: #ece8cb;
    transition: color 0.2s ease;
}

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

footer .footer-bottom {
    padding-top: 1.5rem;
    font-size: 0.875rem;
    color: #ece8cb;
}

.footer-logo img {
    width: 180px;
    height: auto;
    margin: 0 auto 1.5rem;
    display: block;
    filter: drop-shadow(0 0 6px rgba(0, 0, 0, 0.4));
}
.footer-powered {color: var(--accent);text-decoration:none;font-weight:normal;font-size:80%;}

/* ヘッダーロゴ画像 */

.logo-img {
    height: 38px;
    width: auto;
    display: block;
}

/* ロゴ・メニュー・ボタンの並び */

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* スマホでロゴが大きすぎる場合の調整 */

@media (max-width: 600px) {
    .logo-img {
        height: 32px;
    }
}

/* SNS グリッド */

.sns-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 767px) {
    .sns-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        width: 100%;
    }
}

.sns-item {
    text-align: center;
    color: #fff;
}

.sns-x {
    background: #333;
}

.sns-insta {
    background: #cd8984;
}

.sns-fb {
    background: #5d6a99;
}

.sns-name {
    font-size: 1.4rem;
    margin-top: 0.5rem;
}

@media (max-width: 767px) {
    .sns-name {
        font-size: 1.2rem;
    }
}

.sns-item-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.sns-item-link:hover {
    transform: translateY(-4px);
    opacity: 0.9;
}

/* フェードアップアニメーション */

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}