:root {
    /* Color Palette */
    --base-color: #FAF9F6;
    /* Off-white */
    --main-color: #BDB2A7;
    /* Greige */
    --accent-color: #E2D1C3;
    /* Dusty Pink */
    --text-primary: #333333;
    --text-secondary: #666666;
    --white: #FFFFFF;

    /* Fonts */
    --font-heading: 'Noto Serif JP', serif;
    --font-body: 'Noto Sans JP', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --section-padding-mobile: 60px 0;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--base-color);
    color: var(--text-primary);
    line-height: 2.0;
    letter-spacing: 0.05em;
    font-weight: 300;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.4;
    font-weight: 400;
    letter-spacing: 0.1em;
}

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

a:hover {
    opacity: 0.7;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--main-color);
    letter-spacing: 0.1em;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(250, 249, 246, 0.9);
    backdrop-filter: blur(5px);
    padding: 20px 0;
}

.header-inner {
    width: 92%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
}

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

.nav a {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

.btn-nav {
    border: 1px solid var(--text-primary);
    padding: 8px 20px;
    border-radius: 50px;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    /* Fullscreen hero doesn't need radius usually, unless specified for all images */
    opacity: 0.9;
}

.hero-content {
    text-align: left;
    background: rgba(255, 255, 255, 0.6);
    padding: 40px 60px;
    border-radius: 2px;
    backdrop-filter: blur(2px);
    margin-left: -20%;
    /* Offset for design */
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    letter-spacing: 0.15em;
    line-height: 1.6;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Service Section */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

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

.service-img-wrapper {
    margin-bottom: 20px;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.service-img-wrapper img {
    transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrapper img {
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--main-color);
}

.service-desc {
    font-size: 0.95rem;
    text-align: justify;
    line-height: 1.8;
}

/* About Section */
.about-container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-content {
    flex: 1;
}

.about-image {
    flex: 1;
}

.about-lead {
    font-size: 1.8rem;
    margin-bottom: 30px;
    font-weight: 400;
}

.about-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Flow Section */
.flow-steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--accent-color);
    line-height: 1;
    opacity: 0.6;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 5px;
}

/* Gallery Section */
.gallery {
    text-align: center;
}

.gallery-lead {
    margin-bottom: 40px;
}

.gallery-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 20px;
}

.gallery-item {
    display: flex;
    gap: 10px;
}

.gallery-placeholder {
    width: 200px;
    height: 250px;
    background-color: var(--white);
    border: 1px solid var(--main-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    color: var(--main-color);
}

.note {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact {
    background-color: var(--main-color);
    color: var(--white);
    text-align: center;
    padding: 80px 0;
}

.contact .section-title {
    color: var(--white);
    margin-bottom: 2rem;
}

.contact p {
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.btn-primary {
    display: inline-block;
    background-color: var(--white);
    color: var(--main-color);
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    font-weight: 500;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Footer */
.footer {
    background-color: #f5f5f5;
    text-align: center;
    padding: 40px 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--main-color);
}

/* Floating Reservation Button */
.floating-btn-container {
    position: fixed;
    bottom: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 9999;
    pointer-events: none;
    /* Allow clicking through the container */
    transition: opacity 0.3s ease, visibility 0.3s ease;
    opacity: 1;
    visibility: visible;
}

.floating-btn-container.hidden {
    opacity: 0;
    visibility: hidden;
}

.floating-btn {
    pointer-events: auto;
    background-color: var(--main-color);
    color: var(--white);
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    min-width: 280px;
}

.floating-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    opacity: 1;
    /* Override default link hover */
}

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 2000;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    position: absolute;
    transition: all 0.3s ease;
}

.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger span:nth-child(3) {
    bottom: 0;
}

.hamburger.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
        margin-bottom: 3rem;
    }

    .hero-content {
        margin-left: 0;
        width: 90%;
        padding: 30px;
        background: rgba(255, 255, 255, 0.45);
        backdrop-filter: blur(1.5px);
    }

    .hero-title {
        font-size: 2rem;
        color: #000000;
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    }

    .hero-subtitle {
        color: #333333;
        font-weight: 400;
    }

    .about-container {
        flex-direction: column-reverse;
        gap: 40px;
    }

    .gallery-grid {
        flex-direction: column;
        align-items: center;
    }

    .header-inner {
        justify-content: space-between;
        padding: 0 5%;
    }

    .hamburger {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: rgba(250, 249, 246, 0.98);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: all 0.3s ease;
        z-index: 1500;
        opacity: 0;
        visibility: hidden;
    }

    .nav.active {
        right: 0;
        opacity: 1;
        visibility: visible;
    }

    .nav ul {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .nav a {
        font-size: 1.5rem;
    }
}