/* ベース */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #f3f3f3;
    background-color: #050608;
}

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

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

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */

.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(5,6,8,0.9), rgba(5,6,8,0.4), transparent);
    backdrop-filter: blur(8px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.logo a {
    font-family: "Playfair Display", serif;
    letter-spacing: 0.18em;
    font-size: 16px;
    text-transform: uppercase;
}

.nav a {
    margin-left: 20px;
    font-size: 14px;
    opacity: 0.85;
}

.nav a:hover {
    opacity: 1;
}

.btn-primary {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid #c5a46d;
    background: #c5a46d;
    color: #050608;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.btn-primary:hover {
    filter: brightness(1.05);
}

.btn-outline {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid #c5a46d;
    background: transparent;
    color: #c5a46d;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.btn-outline:hover {
    background: #c5a46d;
    color: #050608;
}

/* ヒーロー */

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

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: brightness(0.7);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(0,0,0,0.1), rgba(0,0,0,0.8));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin-top: 60px;
}

.hero-eyebrow {
    letter-spacing: 0.25em;
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 14px;
    opacity: 0.9;
}

.hero-title {
    font-family: "Playfair Display", serif;
    font-size: 40px;
    line-height: 1.2;
    margin: 0 0 20px;
}

.hero-text {
    font-size: 14px;
    line-height: 1.9;
    opacity: 0.9;
    margin-bottom: 30px;
}

.btn-hero {
    margin-top: 10px;
}

/* セクション共通 */

.section {
    padding: 80px 0;
}

.section-title {
    font-family: "Playfair Display", serif;
    font-size: 20px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #c5a46d;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 20px;
    margin: 0 0 16px;
}

.section p {
    font-size: 14px;
    line-height: 1.9;
}

/* Concept */

.section-concept {
    background: #050608;
}

.concept-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.concept-images {
    display: grid;
    grid-template-rows: 2fr 1.4fr;
    gap: 12px;
}

.concept-img {
    border-radius: 18px;
    background-size: cover;
    background-position: center;
}

.concept-img.large {
    box-shadow: 0 20px 40px rgba(0,0,0,0.7);
}

.concept-img.small {
    width: 80%;
    justify-self: flex-end;
    opacity: 0.9;
}

/* Room Highlight */

.section-room-highlight {
    background: #090b10;
}

.room-highlight-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.room-highlight-image {
    border-radius: 20px;
    background-size: cover;
    background-position: center;
    height: 320px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.7);
}

.room-features {
    list-style: none;
    padding: 0;
    margin: 16px 0 24px;
}

.room-features li::before {
    content: "• ";
    color: #c5a46d;
}

/* Access */

.section-access {
    background: #050608;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.access-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: stretch;
}

.access-map-placeholder {
    border-radius: 18px;
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    letter-spacing: 0.2em;
    opacity: 0.6;
}

/* Room Page */

.room-hero {
    background: #050608;
    padding-top: 120px;
}

.room-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 40px;
    align-items: flex-start;
}

.room-main-img {
    border-radius: 20px;
    height: 340px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 16px 40px rgba(0,0,0,0.7);
}

.room-thumb-list {
    display: flex;
    gap: 12px;
    margin-top: 14px;
}

.room-thumb {
    flex: 1;
    border-radius: 10px;
    height: 80px;
    background-size: cover;
    background-position: center;
    opacity: 0.9;
}

.room-detail-list {
    list-style: none;
    padding: 0;
    margin: 16px 0 0;
    font-size: 14px;
}

.room-detail-list li {
    margin-bottom: 4px;
}

/* Booking section */

.section-booking {
    background: #090b10;
}

.booking-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: flex-start;
}

.beds24-widget {
    margin-top: 24px;
    padding: 16px;
    border-radius: 16px;
    background: rgba(255,255,255,0.02);
    border: 1px dashed rgba(197,164,109,0.5);
    min-height: 240px;
}

.beds24-placeholder {
    font-size: 13px;
    opacity: 0.8;
}

.booking-note-card {
    padding: 18px 20px;
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    font-size: 13px;
}

.booking-note-card h4 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 14px;
    color: #c5a46d;
}

.booking-note-card ul {
    margin: 0;
    padding-left: 18px;
}

/* フッター */

.site-footer {
    border-top: 1px solid rgba(255,255,255,0.08);
    background: #050608;
    padding: 30px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    font-size: 12px;
    opacity: 0.8;
}

.footer-logo {
    font-family: "Playfair Display", serif;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 6px;
}

/* レスポンシブ */

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav {
        margin-top: 8px;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .hero {
        align-items: flex-end;
        padding-bottom: 40px;
    }

    .hero-title {
        font-size: 30px;
    }

    .concept-inner,
    .room-highlight-inner,
    .access-inner,
    .room-hero-inner,
    .booking-inner,
    .footer-inner {
        grid-template-columns: minmax(0, 1fr);
        display: grid;
    }

    .room-main-img {
        height: 260px;
    }
}