/* =============================================
   CSS Variables & Custom Properties
============================================= */
:root {
    /* Colors - 深みのある落ち着いた配色 */
    --c-primary: #1e3a5f;
    --c-primary-light: #2d5a87;
    --c-primary-dark: #0f1f33;
    --c-accent: #b8860b;
    --c-accent-light: #d4a84b;
    --c-accent-dark: #8b6508;
    --c-text: #1a1a1a;
    --c-text-secondary: #4a4a4a;
    --c-text-muted: #6b6b6b;
    --c-bg: #fafafa;
    --c-bg-alt: #f0f0f0;
    --c-bg-dark: #1a1a1a;
    --c-white: #ffffff;
    --c-border: #e0e0e0;
    --c-success: #2e7d32;
    --c-warning: #c75000;
    
    /* Typography - 明朝体とゴシック体のコンビネーション */
    --ff-serif: 'Shippori Mincho', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
    --ff-sans: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
    
    --fs-xs: 0.75rem;      /* 12px */
    --fs-sm: 0.875rem;     /* 14px */
    --fs-base: 1rem;       /* 16px */
    --fs-lg: 1.125rem;     /* 18px */
    --fs-xl: 1.25rem;      /* 20px */
    --fs-2xl: 1.5rem;      /* 24px */
    --fs-3xl: 1.875rem;    /* 30px */
    --fs-4xl: 2.25rem;     /* 36px */
    --fs-5xl: 3rem;        /* 48px */
    --fs-6xl: 3.75rem;     /* 60px */
    
    --fw-light: 300;
    --fw-normal: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    
    /* Spacing */
    --sp-1: 0.25rem;   /* 4px */
    --sp-2: 0.5rem;    /* 8px */
    --sp-3: 0.75rem;   /* 12px */
    --sp-4: 1rem;      /* 16px */
    --sp-5: 1.25rem;   /* 20px */
    --sp-6: 1.5rem;    /* 24px */
    --sp-8: 2rem;      /* 32px */
    --sp-10: 2.5rem;   /* 40px */
    --sp-12: 3rem;     /* 48px */
    --sp-16: 4rem;     /* 64px */
    --sp-20: 5rem;     /* 80px */
    --sp-24: 6rem;     /* 96px */
    --sp-32: 8rem;     /* 128px */
    
    /* Layout */
    --container-max: 1140px;
    --header-h: 80px;
    
    /* Effects */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-base: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 40px rgba(0,0,0,0.12);
    
    /* Radius */
    --radius-sm: 4px;
    --radius-base: 6px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

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

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

body {
    font-family: var(--ff-sans);
    font-size: var(--fs-base);
    font-weight: var(--fw-normal);
    line-height: 1.8;
    color: var(--c-text);
    background-color: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

strong {
    font-weight: var(--fw-semibold);
}

/* =============================================
   Layout
============================================= */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

.section {
    padding: var(--sp-24) 0;
}

.hide-sp {
    display: inline;
}

@media (max-width: 768px) {
    .hide-sp {
        display: none;
    }
}

/* =============================================
   Header
============================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.header.is-scrolled {
    box-shadow: var(--shadow-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

.logo a {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    letter-spacing: 0.08em;
}

.logo-subtitle {
    font-family: var(--ff-sans);
    font-size: var(--fs-xs);
    font-weight: var(--fw-normal);
    color: var(--c-text-muted);
    letter-spacing: 0.05em;
    margin-left: var(--sp-2);
    opacity: 0.85;
    white-space: nowrap;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
}

.nav-list a {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--c-text-secondary);
    position: relative;
    padding: var(--sp-2) 0;
    transition: color var(--transition-fast);
}

.nav-list a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--c-accent);
    transition: width var(--transition-base);
}

.nav-list a:hover {
    color: var(--c-primary);
}

.nav-list a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--c-primary);
    color: var(--c-white) !important;
    padding: var(--sp-3) var(--sp-6) !important;
    border-radius: var(--radius-sm);
    font-weight: var(--fw-medium);
    transition: background var(--transition-fast), transform var(--transition-fast) !important;
}

.nav-cta:hover {
    background: var(--c-primary-light);
    transform: translateY(-1px);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    gap: 6px;
}

.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--c-primary);
    transition: var(--transition-base);
    transform-origin: center;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =============================================
   Hero Section
============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-h) + var(--sp-10)) var(--sp-6) var(--sp-16);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        145deg,
        var(--c-primary-dark) 0%,
        var(--c-primary) 40%,
        var(--c-primary-light) 100%
    );
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 25% 75%, rgba(184, 134, 11, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 75% 25%, rgba(255, 255, 255, 0.04) 0%, transparent 40%);
}

.hero-bg-pattern::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.4;
    background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    text-align: center;
    color: var(--c-white);
    max-width: 900px;
}

.hero-label {
    font-family: var(--ff-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-normal);
    letter-spacing: 0.3em;
    margin-bottom: var(--sp-6);
    opacity: 0.9;
}

.hero-title {
    font-family: var(--ff-serif);
    font-size: clamp(var(--fs-2xl), 5vw, var(--fs-5xl));
    font-weight: var(--fw-semibold);
    line-height: 1.4;
    margin-bottom: var(--sp-8);
    letter-spacing: 0.04em;
}

.hero-title-line {
    display: block;
}

.hero-title-accent {
    color: var(--c-accent-light);
}

.hero-subtitle {
    font-size: var(--fs-xl);
    font-weight: var(--fw-medium);
    letter-spacing: 0.15em;
    margin-bottom: var(--sp-10);
    opacity: 0.85;
}

.hero-actions {
    display: flex;
    gap: var(--sp-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--sp-4) var(--sp-8);
    font-size: var(--fs-base);
    font-weight: var(--fw-medium);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    min-width: 180px;
}

.btn-accent {
    background: var(--c-accent);
    color: var(--c-white);
}

.btn-accent:hover {
    background: var(--c-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 134, 11, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--c-white);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--c-white);
}

/* Scroll Hint */
.scroll-hint {
    position: absolute;
    bottom: var(--sp-10);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
    color: rgba(255, 255, 255, 0.5);
}

.scroll-hint-text {
    font-size: var(--fs-xs);
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.scroll-hint-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* =============================================
   Section Headers
============================================= */
.section-header {
    text-align: center;
    margin-bottom: var(--sp-12);
}

.section-tag {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--c-accent);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: var(--sp-4);
}

.section-title {
    font-family: var(--ff-serif);
    font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    line-height: 1.35;
    letter-spacing: 0.02em;
}

/* =============================================
   Problem Section
============================================= */
.section-problem {
    background: var(--c-white);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--sp-6);
    margin-bottom: var(--sp-12);
}

.problem-card {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-5);
    padding: var(--sp-6);
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-card-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-primary);
    border-radius: 50%;
    color: var(--c-white);
}

.problem-card-icon svg {
    width: 24px;
    height: 24px;
}

.problem-card-text {
    font-family: var(--ff-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-medium);
    color: var(--c-text);
    line-height: 1.6;
}

.problem-answer {
    max-width: 860px;
    margin: 0 auto;
}

.problem-answer-inner {
    padding: var(--sp-10);
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--c-border);
}

.problem-answer-inner > p {
    font-size: var(--fs-lg);
    margin-bottom: var(--sp-4);
    line-height: 1.9;
}

.problem-answer-highlight {
    margin-top: var(--sp-8);
    padding-top: var(--sp-8);
    border-top: 1px solid var(--c-border);
}

.problem-answer-highlight p {
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    color: var(--c-primary);
    font-weight: var(--fw-medium);
}

/* =============================================
   About Section
============================================= */
.section-about {
    background: var(--c-bg);
}

.about-lead {
    text-align: center;
    margin-bottom: var(--sp-12);
}

.about-lead p {
    font-family: var(--ff-serif);
    font-size: clamp(var(--fs-xl), 3vw, var(--fs-2xl));
    font-weight: var(--fw-medium);
    color: var(--c-primary);
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--sp-6);
    margin-bottom: var(--sp-12);
}

.feature-card {
    position: relative;
    padding: var(--sp-8) var(--sp-6);
    background: var(--c-white);
    border-radius: var(--radius-base);
    border-left: 3px solid var(--c-accent);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-base);
}

.feature-card-num {
    display: block;
    font-family: var(--ff-serif);
    font-size: var(--fs-3xl);
    font-weight: var(--fw-bold);
    color: var(--c-accent);
    opacity: 0.25;
    line-height: 1;
    margin-bottom: var(--sp-3);
}

.feature-card-title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    margin-bottom: var(--sp-3);
}

.feature-card-desc {
    font-size: var(--fs-base);
    color: var(--c-text-secondary);
    line-height: 1.75;
}

.about-cta {
    text-align: center;
    padding: var(--sp-10);
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--c-white);
}

.about-cta p {
    font-size: var(--fs-lg);
    margin-bottom: var(--sp-4);
    line-height: 1.8;
}

.about-cta-highlight {
    font-size: var(--fs-xl);
    margin-top: var(--sp-4);
}

/* =============================================
   Difference Section
============================================= */
.section-difference {
    background: var(--c-white);
}

.comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--sp-6);
    align-items: stretch;
    margin-bottom: var(--sp-12);
}

.comparison-col {
    padding: var(--sp-8);
    border-radius: var(--radius-lg);
}

.comparison-before {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
}

.comparison-after {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
    color: var(--c-white);
}

.comparison-title {
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-6);
    padding-bottom: var(--sp-4);
    border-bottom: 2px solid currentColor;
    opacity: 0.9;
}

.comparison-list {
    padding-left: var(--sp-5);
}

.comparison-before .comparison-list {
    list-style: decimal;
}

.comparison-before .comparison-list li {
    margin-bottom: var(--sp-3);
    color: var(--c-text-secondary);
    line-height: 1.7;
}

.comparison-after .comparison-list li {
    position: relative;
    margin-bottom: var(--sp-3);
    padding-left: var(--sp-6);
    line-height: 1.7;
}

.comparison-after .comparison-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--c-accent-light);
    font-weight: var(--fw-bold);
}

.comparison-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-arrow svg {
    width: 48px;
    height: 48px;
    color: var(--c-accent);
}

.comparison-conclusion {
    text-align: center;
    padding: var(--sp-10);
    background: var(--c-bg);
    border-radius: var(--radius-lg);
}

.comparison-conclusion p {
    font-family: var(--ff-serif);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    margin-bottom: var(--sp-3);
    line-height: 1.5;
}

.text-highlight {
    background: linear-gradient(transparent 60%, var(--c-accent-light) 60%);
    padding: 0 var(--sp-1);
}

/* =============================================
   Examples Section
============================================= */
.section-examples {
    background: var(--c-bg);
}

.examples-intro {
    text-align: center;
    font-size: var(--fs-lg);
    color: var(--c-text-secondary);
    margin-bottom: var(--sp-12);
    line-height: 1.8;
}

.examples-list {
    max-width: 900px;
    margin: 0 auto;
}

.example-item {
    display: flex;
    gap: var(--sp-6);
    padding: var(--sp-8) 0;
    border-bottom: 1px solid var(--c-border);
}

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

.example-num {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-primary);
    color: var(--c-white);
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    border-radius: 50%;
}

.example-content {
    flex: 1;
}

.example-title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    margin-bottom: var(--sp-3);
}

.example-desc {
    color: var(--c-text-secondary);
    margin-bottom: var(--sp-4);
    line-height: 1.75;
}

.example-result {
    padding: var(--sp-5);
    background: var(--c-white);
    border-radius: var(--radius-base);
    border-left: 3px solid var(--c-accent);
}

.example-result p {
    line-height: 1.75;
}

/* =============================================
   Demo Section
============================================= */
.section-demo {
    background: var(--c-white);
}

.demo-intro {
    text-align: center;
    margin-bottom: var(--sp-10);
}

.demo-intro-main {
    font-size: var(--fs-lg);
    color: var(--c-text-secondary);
    margin-bottom: var(--sp-6);
    line-height: 1.8;
}

.demo-intro-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--sp-8);
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--c-accent);
}

.demo-intro-detail p {
    font-size: var(--fs-base);
    color: var(--c-text);
    line-height: 2;
    margin-bottom: var(--sp-4);
}

.demo-intro-detail p:last-child {
    margin-bottom: 0;
}

.demo-intro-detail strong {
    color: var(--c-primary);
}

.demo-video-wrap {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--c-bg-dark);
}

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

/* =============================================
   Decisions Section
============================================= */
.section-decisions {
    background: var(--c-white);
}

.decision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--sp-6);
}

.decision-card {
    padding: var(--sp-8);
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.decision-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.decision-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-primary);
    border-radius: var(--radius-lg);
    color: var(--c-white);
    margin-bottom: var(--sp-5);
}

.decision-card-icon svg {
    width: 28px;
    height: 28px;
}

.decision-card-title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    margin-bottom: var(--sp-4);
}

.decision-card-list {
    padding-left: var(--sp-4);
}

.decision-card-list li {
    position: relative;
    margin-bottom: var(--sp-2);
    padding-left: var(--sp-4);
    color: var(--c-text-secondary);
    font-size: var(--fs-sm);
    line-height: 1.7;
}

.decision-card-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--c-accent);
}

/* =============================================
   Benefits Section
============================================= */
.section-benefits {
    background: var(--c-bg);
}

.benefits-subtitle {
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    text-align: center;
    margin: var(--sp-12) 0 var(--sp-6);
}

.benefits-table-wrap {
    overflow-x: auto;
    margin-bottom: var(--sp-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-base);
}

.benefits-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--c-white);
}

.benefits-table th,
.benefits-table td {
    padding: var(--sp-5) var(--sp-6);
    text-align: left;
    vertical-align: top;
}

.benefits-table thead {
    background: var(--c-primary);
    color: var(--c-white);
}

.benefits-table th {
    font-weight: var(--fw-medium);
    font-size: var(--fs-sm);
    letter-spacing: 0.05em;
}

.benefits-table tbody tr {
    border-bottom: 1px solid var(--c-border);
    transition: background var(--transition-fast);
}

.benefits-table tbody tr:last-child {
    border-bottom: none;
}

.benefits-table tbody tr:hover {
    background: var(--c-bg);
}

.cell-label {
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    white-space: nowrap;
}

.cell-before {
    color: var(--c-text-muted);
}

.cell-after {
    color: var(--c-primary);
    font-weight: var(--fw-medium);
}

/* =============================================
   Menu Section
============================================= */
.section-menu {
    background: linear-gradient(145deg, var(--c-primary-dark) 0%, var(--c-primary) 100%);
    color: var(--c-white);
}

.section-menu .section-tag {
    color: var(--c-accent-light);
}

.section-menu .section-title {
    color: var(--c-white);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--sp-6);
}

.menu-card {
    position: relative;
    padding: var(--sp-10) var(--sp-8);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.menu-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.menu-card-badge {
    position: absolute;
    top: var(--sp-6);
    right: var(--sp-6);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-accent);
    color: var(--c-primary-dark);
    font-family: var(--ff-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    border-radius: 50%;
}

.menu-card-title {
    font-family: var(--ff-serif);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-3);
}

.menu-card-desc {
    opacity: 0.8;
    margin-bottom: var(--sp-6);
    line-height: 1.75;
}

.menu-card-list {
    padding-left: var(--sp-4);
}

.menu-card-list li {
    position: relative;
    margin-bottom: var(--sp-3);
    padding-left: var(--sp-5);
    font-size: var(--fs-sm);
    opacity: 0.9;
    line-height: 1.7;
}

.menu-card-list li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--c-accent-light);
}

/* Main Service */
.main-service {
    margin-bottom: var(--sp-16);
}

.main-service-header {
    text-align: center;
    margin-bottom: var(--sp-12);
}

.main-service-title {
    font-family: var(--ff-serif);
    font-size: clamp(var(--fs-2xl), 4vw, var(--fs-3xl));
    font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-4);
}

.main-service-desc {
    font-size: var(--fs-lg);
    opacity: 0.85;
    line-height: 1.8;
}

/* Service Flow */
.service-flow {
    margin-bottom: var(--sp-12);
    padding: var(--sp-8);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
}

.service-flow-title {
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    text-align: center;
    margin-bottom: var(--sp-8);
    padding-bottom: var(--sp-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.service-flow-steps {
    display: flex;
    flex-direction: column;
    gap: var(--sp-6);
}

.flow-step {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-5);
}

.flow-step-num {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-accent);
    color: var(--c-primary-dark);
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    border-radius: 50%;
}

.flow-step-content {
    flex: 1;
    padding-top: var(--sp-2);
}

.flow-step-title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-2);
}

.flow-step-desc {
    font-size: var(--fs-base);
    opacity: 0.85;
    line-height: 1.75;
}

/* Service Details Grid */
.service-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--sp-6);
}

.service-detail-card {
    padding: var(--sp-6);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
}

.service-detail-title {
    font-family: var(--ff-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-4);
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--c-accent-light);
}

.service-detail-list {
    padding-left: var(--sp-4);
}

.service-detail-list li {
    position: relative;
    margin-bottom: var(--sp-2);
    padding-left: var(--sp-4);
    font-size: var(--fs-sm);
    opacity: 0.9;
    line-height: 1.7;
}

.service-detail-list li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: var(--c-accent-light);
}

/* Service Journey */
.service-journey {
    margin-bottom: var(--sp-16);
    padding: var(--sp-10);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
}

.service-journey-title {
    font-family: var(--ff-serif);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-semibold);
    text-align: center;
    margin-bottom: var(--sp-3);
}

.service-journey-desc {
    text-align: center;
    font-size: var(--fs-base);
    opacity: 0.8;
    margin-bottom: var(--sp-10);
    line-height: 1.75;
}

.journey-flow {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.journey-step {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-5);
    padding: var(--sp-6);
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-base);
    transition: background var(--transition-base);
}

.journey-step:hover {
    background: rgba(255, 255, 255, 0.08);
}

.journey-step-num {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-accent);
    color: var(--c-primary-dark);
    font-family: var(--ff-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    border-radius: 50%;
}

.journey-step-content {
    flex: 1;
}

.journey-step-title {
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-2);
}

.journey-step-desc {
    font-size: var(--fs-sm);
    opacity: 0.8;
    margin-bottom: var(--sp-3);
}

.journey-step-examples {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    padding-left: 0;
}

.journey-step-examples li {
    display: inline-block;
    padding: var(--sp-1) var(--sp-3);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    font-size: var(--fs-xs);
    opacity: 0.9;
}

.journey-arrow {
    display: flex;
    justify-content: center;
    padding: var(--sp-2) 0;
}

.journey-arrow svg {
    width: 24px;
    height: 24px;
    color: var(--c-accent-light);
    opacity: 0.6;
}

/* Other Services */
.other-services {
    padding-top: var(--sp-12);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.other-services-title {
    font-family: var(--ff-serif);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-semibold);
    text-align: center;
    margin-bottom: var(--sp-3);
}

.other-services-desc {
    text-align: center;
    font-size: var(--fs-base);
    opacity: 0.8;
    margin-bottom: var(--sp-10);
    line-height: 1.75;
}

.other-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--sp-6);
}

.other-service-card {
    padding: var(--sp-8);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.other-service-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
}

.other-service-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--c-accent-light);
    margin-bottom: var(--sp-5);
}

.other-service-icon svg {
    width: 26px;
    height: 26px;
}

.other-service-title {
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--sp-2);
}

.other-service-desc {
    font-size: var(--fs-sm);
    opacity: 0.75;
    margin-bottom: var(--sp-4);
    line-height: 1.6;
}

.other-service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-bottom: var(--sp-4);
}

.tag {
    display: inline-block;
    padding: var(--sp-1) var(--sp-3);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: var(--fs-xs);
    opacity: 0.9;
}

.other-service-list {
    padding-left: var(--sp-4);
}

.other-service-list li {
    position: relative;
    margin-bottom: var(--sp-2);
    padding-left: var(--sp-4);
    font-size: var(--fs-sm);
    opacity: 0.85;
    line-height: 1.7;
}

.other-service-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--c-accent-light);
}

/* =============================================
   Message Section
============================================= */
.section-message {
    background: var(--c-white);
}

.message-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.message-lead {
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    color: var(--c-text-secondary);
    margin-bottom: var(--sp-10);
    line-height: 1.9;
}

.message-highlight {
    padding: var(--sp-10);
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--sp-10);
}

.message-highlight p {
    font-family: var(--ff-serif);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    margin-bottom: var(--sp-3);
    line-height: 1.6;
}

.message-highlight p:last-child {
    margin-bottom: 0;
}

.message-sub {
    font-size: var(--fs-lg);
    color: var(--c-text-secondary);
    margin-bottom: var(--sp-3);
    line-height: 1.8;
}

.message-final {
    font-family: var(--ff-serif);
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
    margin-top: var(--sp-8);
}

/* =============================================
   Contact Section
============================================= */
.section-contact {
    background: var(--c-bg);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-lead {
    font-size: var(--fs-lg);
    color: var(--c-text-secondary);
    margin-bottom: var(--sp-8);
    line-height: 1.9;
}

.contact-form-cta {
    margin-bottom: var(--sp-8);
    text-align: center;
}

.btn-contact-form {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-3);
    padding: var(--sp-5) var(--sp-10);
    background: var(--c-accent);
    color: var(--c-white);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-base);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-base);
}

.btn-contact-form svg {
    width: 24px;
    height: 24px;
}

.btn-contact-form:hover {
    background: var(--c-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(184, 134, 11, 0.35);
}

.contact-form-note {
    margin-top: var(--sp-4);
    font-size: var(--fs-sm);
    color: var(--c-text-muted);
}

.contact-divider {
    display: flex;
    align-items: center;
    margin-bottom: var(--sp-8);
}

.contact-divider::before,
.contact-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--c-border);
}

.contact-divider span {
    padding: 0 var(--sp-4);
    font-size: var(--fs-sm);
    color: var(--c-text-muted);
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
}

.contact-card {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-5);
    padding: var(--sp-6);
    background: var(--c-white);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.contact-card-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-primary);
    border-radius: 50%;
    color: var(--c-white);
}

.contact-card-icon svg {
    width: 24px;
    height: 24px;
}

.contact-card-label {
    display: block;
    font-size: var(--fs-sm);
    color: var(--c-text-muted);
    margin-bottom: var(--sp-1);
}

.contact-card-value {
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--c-primary);
}

/* =============================================
   Footer
============================================= */
.footer {
    background: var(--c-bg-dark);
    color: var(--c-white);
    padding: var(--sp-10) 0;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
}

.footer-logo {
    font-family: var(--ff-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    letter-spacing: 0.08em;
}

.footer-copy {
    font-size: var(--fs-sm);
    opacity: 0.5;
}

/* =============================================
   Animations
============================================= */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.animate-fade-up:nth-child(1) { animation-delay: 0.1s; }
.animate-fade-up:nth-child(2) { animation-delay: 0.2s; }
.animate-fade-up:nth-child(3) { animation-delay: 0.3s; }
.animate-fade-up:nth-child(4) { animation-delay: 0.4s; }

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   Responsive
============================================= */
@media (max-width: 1024px) {
    .comparison {
        grid-template-columns: 1fr;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
        padding: var(--sp-4) 0;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-list {
        position: fixed !important;
        top: 64px !important;
        right: 0 !important;
        left: auto !important;
        bottom: auto !important;
        width: auto !important;
        min-width: 200px;
        height: auto !important;
        flex-direction: column;
        align-items: flex-start;
        background: #ffffff !important;
        background-color: #ffffff !important;
        padding: 24px 32px;
        gap: 16px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 9999 !important;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
        border-radius: 0 0 0 12px;
        opacity: 1 !important;
    }
    
    .nav-list.is-active {
        transform: translateX(0);
        background: #ffffff !important;
        background-color: #ffffff !important;
    }
    
    .nav-list a {
        font-size: var(--fs-lg);
        padding: var(--sp-4) 0;
    }
    
    .nav-cta {
        width: 100%;
        text-align: center;
        margin-top: var(--sp-4);
    }
    
    .section {
        padding: var(--sp-16) 0;
    }
    
    .hero-actions {
        flex-direction: column;
        padding: 0 var(--sp-6);
    }
    
    .btn {
        width: 100%;
    }
    
    .example-item {
        flex-direction: column;
        gap: var(--sp-4);
    }
    
    .benefits-table th,
    .benefits-table td {
        padding: var(--sp-3);
        font-size: var(--fs-sm);
    }
    
    .contact-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-list {
        position: fixed !important;
        top: 64px !important;
        right: 0 !important;
        background: #ffffff !important;
        background-color: #ffffff !important;
        z-index: 9999 !important;
    }
    
    .nav-list.is-active {
        background: #ffffff !important;
        background-color: #ffffff !important;
    }
    
    .container {
        padding: 0 var(--sp-4);
    }
    
    .problem-card {
        flex-direction: column;
        text-align: center;
        gap: var(--sp-4);
    }
    
    .problem-card-icon {
        margin: 0 auto;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .service-details-grid {
        grid-template-columns: 1fr;
    }
    
    .other-services-grid {
        grid-template-columns: 1fr;
    }
    
    .journey-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .journey-step-examples {
        justify-content: center;
    }
}