/* -----------------------------------------
 * Design Tokens & Variables
 * ----------------------------------------- */
:root {
    --color-bg: #ffffff;
    --color-bg-light: #fafafa;
    --color-bg-dark: #111111;
    --color-text: #000000;
    --color-text-muted: #555555;
    --color-text-light: #888888;
    --color-text-white: #ffffff;
    --color-border: #e5e5e5;
    --color-border-dark: #333333;
    
    --font-serif: 'Spectral', 'Noto Serif JP', serif;
    --font-sans: 'Roboto', 'Noto Sans JP', sans-serif;
    
    --transition-smooth: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-quick: all 0.25s ease;
    
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-serif);
    font-weight: 300;
    line-height: 2.0;
    letter-spacing: 0.08em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-quick);
}

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

ul, ol {
    list-style: none;
}

p {
    text-align: justify;
    text-justify: inter-character;
}

/* -----------------------------------------
 * Typography & Layout Utilities
 * ----------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 4%;
}

.section-padding {
    padding: 120px 0;
}

.bg-light {
    background-color: var(--color-bg-light);
}

.grid {
    display: grid;
    gap: 40px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

.taC {
    text-align: center;
}

.pc-only {
    display: block;
}

@media (max-width: 768px) {
    .pc-only {
        display: none;
    }
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    .section-padding {
        padding: 80px 0;
    }
}

/* -----------------------------------------
 * Buttons
 * ----------------------------------------- */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-align: center;
    border: 1px solid var(--color-text);
    cursor: pointer;
    transition: var(--transition-smooth);
    background: transparent;
}

.btn-primary {
    background-color: var(--color-text);
    color: var(--color-bg);
}

.btn-primary:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text);
}

.btn-outline:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
}

.btn-large {
    padding: 18px 40px;
    font-size: 0.9rem;
}

/* Section Title Components */
.section-title-wrap {
    margin-bottom: 30px;
}

.section-subtitle {
    display: block;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    font-weight: 300;
    font-style: italic;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: 0.05em;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.section-title-en {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-text-muted);
}

.section-header {
    margin-bottom: 80px;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.2rem;
    }
    .section-header {
        margin-bottom: 50px;
    }
}

/* -----------------------------------------
 * Header & Navigation
 * ----------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header-inner {
    max-width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

/* Scrolled Header State */
.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    height: 70px;
}

.header.scrolled .header-inner {
    border-bottom: 1px solid var(--color-border);
}

.logo a {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-text-white);
    transition: var(--transition-smooth);
}

.header.scrolled .logo a {
    color: var(--color-text);
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
    padding: 10px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text-white);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--color-text-white);
}

.nav-link:hover::after {
    width: 100%;
}

/* Scrolled Nav Link States */
.header.scrolled .nav-link {
    color: var(--color-text-muted);
}

.header.scrolled .nav-link:hover {
    color: var(--color-text);
}

.header.scrolled .nav-link::after {
    background-color: var(--color-text);
}

.header-cta .btn {
    padding: 10px 24px;
    font-size: 0.75rem;
    border-color: var(--color-text-white);
    color: var(--color-text-white);
    background-color: transparent !important;
}

.header-cta .btn:hover {
    opacity: 0.75 !important;
    background-color: transparent !important;
    color: var(--color-text-white) !important;
}

/* Scrolled Header CTA */
.header.scrolled .header-cta .btn {
    border-color: var(--color-text);
    color: var(--color-text);
    background-color: transparent !important;
}

.header.scrolled .header-cta .btn:hover {
    opacity: 0.75 !important;
    background-color: transparent !important;
    color: var(--color-text) !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--color-text-white);
    transition: var(--transition-smooth);
}

.header.scrolled .menu-toggle span {
    background-color: var(--color-text);
}

@media (max-width: 992px) {
    .nav, .header-cta {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    /* Mobile Active Navigation Menu overlay */
    .nav.active {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg-dark);
        z-index: 999;
        justify-content: center;
        align-items: center;
    }
    
    .nav.active .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .nav.active .nav-link {
        font-size: 1.2rem;
        color: rgba(255, 255, 255, 0.7);
    }
    
    .nav.active .nav-link::after {
        background-color: var(--color-text-white);
    }
    
    /* Hamburger animation when active */
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--color-text-white);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--color-text-white);
    }
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    animation: zoomOutHero 10s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
    filter: grayscale(100%); /* Hero background is stylish grayscale */
}

@keyframes zoomOutHero {
    to {
        transform: scale(1);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    padding: 0 20px;
}

.hero-sub {
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    margin-bottom: 25px;
    text-transform: uppercase;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: 0.03em;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.hero-lead {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.hero-btn .btn {
    border-color: var(--color-text-white);
    color: var(--color-text-white);
    padding: 16px 36px;
}

.hero-btn .btn:hover {
    background-color: var(--color-text-white);
    color: var(--color-text);
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.5);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    margin-top: 10px;
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background-color: var(--color-text-white);
    animation: scrollDownAnim 2s cubic-bezier(0.25, 0.8, 0.25, 1) infinite;
}

@keyframes scrollDownAnim {
    0% {
        transform: translateY(-20px);
    }
    50% {
        transform: translateY(60px);
    }
    100% {
        transform: translateY(-20px);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }
    .hero-lead {
        font-size: 0.95rem;
    }
}

/* -----------------------------------------
 * Concept Section
 * ----------------------------------------- */
.concept .lead-text {
    font-size: 1.25rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 30px;
}

.concept-text p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.concept-text p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .concept .lead-text {
        font-size: 1.1rem;
    }
}

/* -----------------------------------------
 * Profile Section
 * ----------------------------------------- */
.profile-image-wrap {
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-color: #000;
}

.profile-image {
    width: 100%;
    filter: grayscale(100%); /* 松本さんの画像も白黒 */
    transition: var(--transition-smooth);
}

.profile-image-wrap:hover .profile-image {
    transform: scale(1.03);
    filter: grayscale(0%); /* ホバーで実際のカラー写真を表示 */
}

.stylist-role {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: 25px;
}

.stylist-bio {
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.7;
    margin-bottom: 20px;
}

.stylist-desc {
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

.stylist-achievements {
    margin-bottom: 40px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 25px 0;
}

.stylist-achievements li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.stylist-achievements li:last-child {
    margin-bottom: 0;
}

.profile-links {
    display: flex;
    gap: 15px;
}

@media (max-width: 768px) {
    .profile-links {
        flex-direction: column;
    }
}

/* -----------------------------------------
 * Menu Section
 * ----------------------------------------- */
.menu-list-wrap {
    max-width: 900px;
    margin: 0 auto;
}

.menu-grid {
    display: grid;
    grid-template-columns: 1fr;
    row-gap: 30px;
    border-top: 1px solid var(--color-border);
    padding-top: 40px;
}

.menu-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
}

.menu-name {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.menu-desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.menu-price {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    margin-left: 30px;
    white-space: nowrap;
}

.menu-notice {
    margin-top: 50px;
    text-align: center;
}

.menu-notice p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 25px;
}

/* -----------------------------------------
 * Gallery Section
 * ----------------------------------------- */
.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
}

.gallery-tab-btn {
    background: transparent;
    border: none;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    padding: 8px 24px;
    cursor: pointer;
    color: var(--color-text-light);
    position: relative;
    transition: var(--transition-quick);
}

.gallery-tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--color-text);
    transition: var(--transition-quick);
}

.gallery-tab-btn.active {
    color: var(--color-text);
    font-weight: 500;
}

.gallery-tab-btn.active::after {
    width: 40%;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-color: #000000;
    transition: var(--transition-smooth);
}

.gallery-item.hide {
    display: none;
}

.gallery-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    filter: grayscale(100%); /* 最初は白黒にすることで、統一感を出してスタイリッシュに */
    transition: var(--transition-smooth);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.85) 100%);
    color: var(--color-text-white);
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.gallery-caption h4 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 5px;
}

.gallery-caption p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

/* Hover effects */
.gallery-item:hover .gallery-img {
    transform: scale(1.05);
    filter: grayscale(0%); /* ホバーで本来の美しいカラー写真を表示 */
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
    opacity: 1;
}

@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .gallery-img {
        filter: grayscale(0%); /* スマホ時は見やすさ優先で最初からカラー */
        aspect-ratio: auto;
    }
    .gallery-caption {
        transform: translateY(0);
        opacity: 1;
        position: relative;
        background: var(--color-bg);
        color: var(--color-text);
        padding: 15px 0 0 0;
        border-top: none;
    }
    .gallery-item {
        border: none;
        background-color: transparent;
    }
    .gallery-caption h4 {
        color: var(--color-text);
        font-weight: 500;
    }
    .gallery-caption p {
        color: var(--color-text-muted);
    }
}

/* -----------------------------------------
 * Access Section
 * ----------------------------------------- */
.info-list {
    margin-top: 40px;
    font-family: var(--font-sans);
}

.info-list dt {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--color-text-light);
    letter-spacing: 0.15em;
    margin-bottom: 5px;
}

.info-list dd {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--color-border);
}

.info-list dd:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.access-map-wrap {
    border: 1px solid var(--color-border);
    padding: 10px;
    background-color: var(--color-bg);
}

.map-iframe-container {
    position: relative;
    width: 100%;
    height: 400px;
}

.map-iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* -----------------------------------------
 * CTA Section
 * ----------------------------------------- */
.cta {
    position: relative;
    width: 100%;
    padding: 140px 0;
    text-align: center;
    color: var(--color-text-white);
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax effect */
    filter: grayscale(100%);
}

@media (max-width: 992px) {
    .cta-bg {
        background-attachment: scroll;
    }
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.cta-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.cta-subtitle {
    display: block;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    font-style: italic;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 20px;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 25px;
}

.cta-lead {
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 45px;
}

.cta-buttons .btn {
    border-color: var(--color-text-white);
    color: var(--color-text-white);
}

.cta-buttons .btn:hover {
    background-color: var(--color-text-white);
    color: var(--color-text);
}

/* -----------------------------------------
 * Footer
 * ----------------------------------------- */
.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    padding: 60px 0;
    border-top: 1px solid var(--color-border-dark);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

.footer-copy {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-sns {
    display: flex;
    gap: 30px;
}

.footer-sns a {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
    padding-bottom: 5px;
}

.footer-sns a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text-white);
    transition: var(--transition-smooth);
}

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

.footer-sns a:hover::after {
    width: 100%;
}

@media (max-width: 768px) {
    .footer-inner {
        flex-direction: column;
        gap: 35px;
        text-align: center;
    }
}

/* -----------------------------------------
 * Scroll Animations (Reveal on Scroll)
 * ----------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.hero-content .fade-in:nth-child(1) { animation-delay: 0.2s; }
.hero-content .fade-in:nth-child(2) { animation-delay: 0.4s; }
.hero-content .fade-in:nth-child(3) { animation-delay: 0.6s; }
.hero-content .fade-in:nth-child(4) { animation-delay: 0.8s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal classes controlled by JS */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s cubic-bezier(0.25, 0.8, 0.25, 1), transform 1s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 1s cubic-bezier(0.25, 0.8, 0.25, 1), transform 1s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

/* Blog image hover effect */
.blog-image-wrap:hover .blog-image {
    transform: scale(1.03);
    filter: grayscale(0%) !important;
}

@media (max-width: 992px) {
    .blog-image {
        filter: grayscale(0%) !important;
    }
}