/**
 * HPMaking - Custom Stylesheet
 * Design: Minimal, Elegant, White-based
 * Reference: charleysignature.com aesthetic
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors */
    --color-white: #ffffff;
    --color-ivory: #faf9f7;
    --color-light-gray: #f5f4f2;
    --color-border: #e8e6e3;
    --color-text: #2c2c2c;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-black: #1a1a1a;
    --color-accent: #c9a96e;
    --color-hero-bg: #fefefd;

    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Noto Sans JP', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 10rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.8;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
}

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

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

a:hover {
    opacity: 0.7;
}

ul,
ol {
    list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.3;
    letter-spacing: 0.05em;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
}

h3 {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
}

p {
    font-size: 0.95rem;
    line-height: 2;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.1em;
}

.section-subtitle {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: transparent;
    transition: background var(--transition-base);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0 var(--spacing-lg);
    height: 80px;
    /* 高さを固定して全ページで統一 */
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
}

.logo img {
    height: 36px;
    /* 少し小ぶりにして洗練された印象に */
    width: auto;
    display: block;
}

.logo-placeholder {
    width: 36px;
    height: 36px;
}

/* Hamburger Button */
.hamburger {
    width: 26px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    position: absolute;
    top: 50%;
    right: var(--spacing-lg);
    transform: translateY(-50%);
    z-index: 200;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-text);
    transition: all 0.4s cubic-bezier(0.19, 1, 0.22, 1);
    transform-origin: center right;
}

.hamburger-line:nth-child(2) {
    width: 70%;
}

.hamburger:hover .hamburger-line:nth-child(2) {
    width: 100%;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ============================================
   Fullscreen Menu
   ============================================ */
.fullscreen-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    border-bottom: 1px solid var(--color-border);
    background: rgba(250, 249, 247, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 150;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-100%);
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1), opacity 0.4s ease, visibility 0.4s;
    height: auto;
    padding: 100px var(--spacing-lg) 60px;
}

.fullscreen-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.menu-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-lg);
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    display: none;
    /* Site header hamburger handles close */
}

.menu-content {
    text-align: left;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.menu-list {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.menu-list li {
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.fullscreen-menu.active .menu-list li {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger animation */
.fullscreen-menu.active .menu-list li:nth-child(1) {
    transition-delay: 0.1s;
}

.fullscreen-menu.active .menu-list li:nth-child(2) {
    transition-delay: 0.15s;
}

.fullscreen-menu.active .menu-list li:nth-child(3) {
    transition-delay: 0.2s;
}

.fullscreen-menu.active .menu-list li:nth-child(4) {
    transition-delay: 0.25s;
}

.fullscreen-menu.active .menu-list li:nth-child(5) {
    transition-delay: 0.3s;
}

.fullscreen-menu.active .menu-list li:nth-child(6) {
    transition-delay: 0.35s;
}

.fullscreen-menu.active .menu-list li:nth-child(7) {
    transition-delay: 0.4s;
}

.fullscreen-menu.active .menu-list li:nth-child(8) {
    transition-delay: 0.45s;
}

.menu-link {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    display: inline-block;
    color: var(--color-text);
    position: relative;
    padding-bottom: 4px;
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text);
    transition: width 0.3s ease;
}

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

.menu-suit {
    display: none;
}

.menu-cta {
    margin-top: var(--spacing-lg);
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    padding: 0.8rem 2.5rem;
    border: 1px solid var(--color-black);
    transition: all var(--transition-base);
}

.menu-cta:hover {
    background: var(--color-black);
    color: var(--color-white);
    opacity: 1;
}

/* ============================================
   Hero Section (TOP Page)
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    overflow: hidden;
}

.hero-video-wrapper {
    position: relative;
    width: 90%;
    max-width: 500px;
    z-index: 1;
}

.hero-video {
    width: 100%;
    height: auto;
    display: block;
}

.hero-content {
    position: absolute;
    top: 25%;
    /* 王様の顔の高さに合わせて上に移動（ライオンを避ける） */
    left: 53%;
    /* より顔の近くに配置 */
    transform: translateY(-50%);
    z-index: 10;
    pointer-events: none;
}

.hero-logo {
    width: clamp(320px, 60vw, 640px);
    /* 圧倒的な存在感のビッグサイズ */
    height: auto;
    display: block;
}

.hero-logo-link {
    pointer-events: auto;
    display: block;
    text-decoration: none;
}

.hero-overlay {
    display: none;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    opacity: 0.8;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.8), 0 0 5px rgba(255, 255, 255, 0.5);
}

.hero-lead {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Sub Hero (Sub Pages)
   ============================================ */
.sub-hero {
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-hero-bg);
}

.sub-hero-video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.sub-hero-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    will-change: transform;
}

@media (min-width: 769px) {
    .sub-hero-video {
        object-fit: contain;
        object-position: center;
    }
}

.sub-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.sub-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-md);
}

.sub-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.sub-hero-lead {
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    opacity: 0.9;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    padding: 1rem 1.5rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-white);
    opacity: 1;
}

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

.btn-outline:hover {
    background: var(--color-black);
    color: var(--color-white);
    opacity: 1;
}

.btn-dark {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
}

.btn-dark:hover {
    background: transparent;
    color: var(--color-black);
    opacity: 1;
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--spacing-xl) var(--spacing-lg);
}

.section-alt {
    background: var(--color-ivory);
}

.section-intro {
    background: transparent;
}

.section-parallax {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-lg);
    overflow: hidden;
    color: var(--color-white);
}

.section-parallax .parallax-video-wrapper {
    position: absolute;
    top: -50%;
    left: 0;
    width: 100%;
    height: 200%;
    /* 極端な移動量に対応できるようさらに拡大 */
    z-index: -1;
    overflow: hidden;
    will-change: transform;
}

.section-parallax .parallax-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    filter: brightness(0.7);
}

.section-parallax::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    /* 文字の可読性のためにオーバーレイを維持 */
    z-index: 0;
}

.section-parallax .section-inner {
    position: relative;
    z-index: 1;
}

.section-parallax .section-title,
.section-parallax .section-subtitle,
.section-parallax .feature-title,
.section-parallax .feature-text {
    color: var(--color-white);
}

.section-parallax .feature-number {
    color: rgba(255, 255, 255, 0.8);
    /* 透明度を下げて視認性を向上 */
    opacity: 1;
    /* 親クラスの0.5を上書き */
}



.section-parallax .btn {
    border-color: var(--color-white);
    color: var(--color-white);
}

.section-parallax .btn:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.section-inner {
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================
   Features Section
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md) var(--spacing-md);
}

.feature-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.08em;
}

.feature-text {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 2;
}

/* ============================================
   Plans Section
   ============================================ */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.plan-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* King Plan Specific: Revert height to match others and ensure image/video match */
.plan-king .plan-card-media {
    height: 280px;
}

.plan-king .plan-card-image {
    height: 280px;
    width: 100%;
    object-fit: contain;
    transform: scale(1.35);
    /* Keep it looking big while showing the full width */
}

.plan-king .plan-card-video {
    height: 280px;
    width: 100%;
    object-fit: contain;
    transform: translate(-50%, -50%) scale(1.4);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.plan-king .plan-card-media:hover .plan-card-video {
    transform: translate(-50%, -50%) scale(1.4);
}

@media (max-width: 768px) {
    .plan-king .plan-card-media:hover .plan-card-video {
        transform: translate(-50%, -50%) scale(1.4);
    }
}

.plan-card:hover {
    transform: translateY(-5px);
}

.plan-card-image {
    width: auto;
    height: 280px;
    margin: 0 auto var(--spacing-md);
    filter: grayscale(100%);
    object-fit: contain;
}

.plan-card-media {
    position: relative;
    width: 100%;
    height: 280px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.plan-card-media .plan-card-image {
    margin: 0;
    transition: opacity var(--transition-base);
}

.plan-card-media .plan-card-image.hidden {
    opacity: 0;
}

.plan-card-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    height: 280px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.plan-card-video.visible {
    opacity: 1;
}

.plans-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.plan-preview-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.plan-preview-card .plan-card-image {
    width: auto;
    height: 280px;
    margin: 0 auto var(--spacing-md);
    object-fit: contain;
}

.plan-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xs);
}

.plan-price {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

.plan-price span {
    font-size: 1rem;
}

.plan-card .btn,
.plan-preview-card .btn {
    width: 100%;
    padding: 1rem 0.5rem;
    font-size: 0.85rem;
    white-space: nowrap;
    letter-spacing: 0.05em;
}

.plan-description {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.plan-features {
    text-align: left;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.plan-features li {
    font-size: 0.85rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
    padding-left: 1.5rem;
    position: relative;
}

.plan-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

/* ============================================
   Works Section
   ============================================ */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.work-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    aspect-ratio: 4/3;
    background: var(--color-light-gray);
}

.work-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.work-item:hover img {
    transform: scale(1.05);
}

.work-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: var(--color-white);
}

.work-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 0.08em;
}

.work-category {
    font-size: 0.75rem;
    opacity: 0.8;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* ============================================
   Process Section
   ============================================ */
.process-list {
    max-width: 800px;
    margin: 0 auto;
}

.process-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
}

.process-item:last-child {
    border-bottom: none;
}

.process-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-text-muted);
    min-width: 60px;
    opacity: 0.5;
}

.process-content {
    flex: 1;
}

.process-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.08em;
}

.process-text {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: var(--spacing-md) 0;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.faq-question::after {
    content: "+";
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: var(--spacing-md);
}

.faq-answer p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 2;
}

/* ============================================
   Contact Form
   ============================================ */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form-label .required {
    color: #b85c5c;
    font-size: 0.75rem;
    margin-left: 0.5rem;
}

.form-label .optional {
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-left: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-text-muted);
}

.form-textarea {
    min-height: 180px;
    resize: vertical;
}

.form-error {
    color: #b85c5c;
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.form-submit {
    width: 100%;
    margin-top: var(--spacing-md);
}

/* Confirm Page */
.confirm-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
}

.confirm-table th,
.confirm-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
}

.confirm-table th {
    font-weight: 400;
    color: var(--color-text-muted);
    width: 30%;
}

.confirm-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* Thanks Page */
.thanks-content {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.thanks-title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.thanks-text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   About Section
   ============================================ */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-lead {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.05em;
}

.about-text {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    position: relative;
    background: #000000;
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    overflow: hidden;
}

.cta-video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.cta-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.cta-section .section-inner {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
}

.cta-text {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--color-ivory);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    margin-bottom: var(--spacing-lg);
}

.footer-logo img {
    height: 120px;
    margin: 0 auto;
}

.footer-nav {
    margin-bottom: var(--spacing-lg);
}

.footer-nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-nav a {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.footer-legal-nav {
    margin-bottom: var(--spacing-md);
}

.footer-legal-nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-legal-nav a {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-legal-nav a:hover {
    color: var(--color-text);
}

/* ============================================
   Legal Pages (Terms, Privacy, Law)
   ============================================ */
.legal-content h2 {
    font-size: 1.4rem;
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.legal-content h3 {
    font-size: 1.1rem;
    margin: 2rem 0 0.8rem;
    color: var(--color-text);
}

.legal-content p,
.legal-content li {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.legal-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.2rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    list-style-type: disc;
}

.footer-suits {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.5em;
    margin-bottom: var(--spacing-md);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    border-color: var(--color-accent);
}

.back-to-top .arrow {
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--color-text);
    border-right: 2px solid var(--color-text);
    transform: rotate(-45deg);
    margin-top: 4px;
    transition: border-color var(--transition-base);
}

.back-to-top:hover .arrow {
    border-color: var(--color-accent);
}

@media (max-width: 768px) {
    .back-to-top {
        right: 20px;
        bottom: 20px;
        width: 44px;
        height: 44px;
    }
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

/* ============================================
   Utility Classes
   ============================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .header-inner {
        padding: 0 var(--spacing-sm);
        height: 60px;
        /* スマホでは高さを抑える */
    }

    .hamburger {
        right: var(--spacing-sm);
        top: 50%;
        transform: translateY(-50%);
    }

    .logo img {
        height: 28px;
    }

    .section {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .process-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .process-number {
        font-size: 2rem;
    }

    .confirm-buttons {
        flex-direction: column;
    }

    .footer-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .hero {
        height: 100vh;
    }

    .sub-hero {
        height: 280px;
    }

    .fullscreen-menu {
        padding: 80px var(--spacing-sm) 40px;
    }
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .hero-video,
    .sub-hero-video {
        display: none;
    }

    .hero-video-wrapper,
    .sub-hero-video-wrapper {
        background: var(--color-black);
    }
}