:root {
    --bg-color: #1a1a1a;
    --text-color: #f0f0f0;
    --accent-color: #bfa46f; /* 金泥色 */
    --kura-white: #e6e6e6;
}

body {
    font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.8;
}

.hidden { display: none; }

.lang-switch {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100;
    background: rgba(0,0,0,0.5);
    padding: 10px;
}

.lang-switch button {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    font-family: inherit;
}

/* Hero Section */
.hero {
    height: 80vh;
    background: url('IMG-04.JPG') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero .overlay {
    position: absolute;
    top:0; left:0; width:100%; height:100%;
    background: rgba(0,0,0,0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.2em;
}

/* Sections */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

h2 {
    border-bottom: 1px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 10px;
    margin-bottom: 40px;
}

.specs li {
    list-style: none;
    border-bottom: 1px solid #333;
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
}

.specs .label { color: var(--accent-color); }

/* Form */
.booking-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.booking-form label {
    display: flex;
    flex-direction: column;
    text-align: left;
}

input, select {
    padding: 10px;
    background: #333;
    border: 1px solid #555;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
}

.btn-submit {
    background-color: var(--accent-color);
    color: #000;
    border: none;
    padding: 15px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn-submit:hover { opacity: 0.8; }

.closed-msg {
    background: #333;
    padding: 20px;
    text-align: center;
    border: 1px solid var(--accent-color);
}