
/* ─────────────────────────────────────────────────────
   CSS Variables & Color Palette
   ───────────────────────────────────────────────────── */
:root {
    /* Brand Colors */
    --navy: #0D1B2A;
    --navy-light: #162436;
    --navy-mid: #1E3A5F;
    --orange: #E8622A;
    --orange-light: #F07A45;
    --orange-dark: #C94E1A;
    --gold: #F0B429;
    --off-white: #F8F5F0;
    --warm-gray: #E8E3DC;
    --text-dark: #1A1A2E;
    --text-light: #4A5568;
    --text-muted: #718096;
    --border-light: rgba(0,0,0,0.06);
    --border-dark: rgba(255,255,255,0.1);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;

    /* Transitions */
    --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
    --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
}

/* ─────────────────────────────────────────────────────
   @font-face Definitions - Local Fonts
   ───────────────────────────────────────────────────── */

/* Syne Font Family */
@font-face {
    font-family: 'Syne';
    src: url('../fonts/Syne-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Syne';
    src: url('../fonts/Syne-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Syne';
    src: url('../fonts/Syne-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Syne';
    src: url('../fonts/Syne-ExtraBold.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
    font-display: swap;
}

/* Noto Sans JP Font Family */
@font-face {
    font-family: 'Noto Sans JP';
    src: url('../fonts/NotoSansJP-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Noto Sans JP';
    src: url('../fonts/NotoSansJP-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Noto Sans JP';
    src: url('../fonts/NotoSansJP-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Noto Sans JP';
    src: url('../fonts/NotoSansJP-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-dark);
    background: var(--off-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ─────────────────────────────────────────────────────
   Typography
   ───────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Syne', 'Noto Sans JP', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2rem, 8vw, 4rem); }
h2 { font-size: clamp(1.75rem, 6vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 4vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1rem;
    line-height: 1.7;
}

button {
    font-family: 'Noto Sans JP', sans-serif;
    cursor: pointer;
    border: none;
    background: none;
}

/* ─────────────────────────────────────────────────────
   Container & Layout
   ───────────────────────────────────────────────────── */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ─────────────────────────────────────────────────────
   Navbar
   ───────────────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all 0.3s var(--ease-out);
}

.navbar.scrolled {
    background: rgba(13, 27, 42, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

@media (min-width: 1024px) {
    .navbar-container {
        height: 5rem;
        padding: 0 var(--spacing-xl);
    }
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
}

.logo-my {
    color: white;
}

.logo-guide {
    color: var(--orange);
}

.navbar-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .navbar-menu {
        display: flex;
    }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s;
}

.nav-link:hover {
    color: white;
}

.nav-cta {
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--orange), var(--gold));
    color: white;
    box-shadow: 0 4px 15px rgba(232, 98, 42, 0.4);
    transition: all 0.2s;
}

.nav-cta:hover {
    opacity: 0.9;
    box-shadow: 0 6px 20px rgba(232, 98, 42, 0.5);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    background: none;
    color: white;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 0.1875rem;
    background: white;
    transition: all 0.3s;
    border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    background: rgba(13, 27, 42, 0.98);
}

.mobile-menu.active {
    display: flex;
}

@media (min-width: 768px) {
    .mobile-menu {
        display: none !important;
    }
}

/* ─────────────────────────────────────────────────────
   Hero Section
   ───────────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--navy);
}

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

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13, 27, 42, 0.85) 0%, rgba(13, 27, 42, 0.5) 50%, rgba(13, 27, 42, 0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 48rem;
    padding: 2rem;
}

@media (min-width: 768px) {
    .hero-content {
        padding: 0;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(232, 98, 42, 0.2);
    border: 1px solid rgba(232, 98, 42, 0.4);
    color: var(--gold);
    font-family: 'Syne', sans-serif;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.badge-dot {
    display: inline-block;
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

.hero-title {
    color: white;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-title .highlight {
    color: var(--orange);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    flex: 1;
    min-width: 120px;
}

.stat-number {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--gold);
    font-family: 'Syne', sans-serif;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.25rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: 'Syne', sans-serif;
}

.scroll-line {
    width: 1px;
    height: 3rem;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
    animation: scroll-down 2s infinite;
}

@keyframes scroll-down {
    0% { opacity: 1; }
    100% { opacity: 0; transform: translateY(1rem); }
}

/* ─────────────────────────────────────────────────────
   Buttons
   ───────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 700;
    transition: all 0.2s var(--ease-out);
    text-decoration: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--orange), var(--gold));
    color: white;
    box-shadow: 0 8px 32px rgba(232, 98, 42, 0.45);
}

.btn-primary:hover {
    box-shadow: 0 12px 48px rgba(232, 98, 42, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* ─────────────────────────────────────────────────────
   Sections
   ───────────────────────────────────────────────────── */
.section {
    padding: 6rem 0;
}

@media (min-width: 1024px) {
    .section {
        padding: 8rem 0;
    }
}

.section-light {
    background: var(--off-white);
}

.section-dark {
    background: var(--navy);
    color: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-family: 'Syne', sans-serif;
}

.section-light .section-label {
    color: var(--orange);
}

.section-dark .section-label {
    color: var(--gold);
}

.section-title {
    margin-bottom: 1.5rem;
}

.section-light .section-title {
    color: var(--text-dark);
}

.section-dark .section-title {
    color: white;
}

.section-title .highlight {
    color: var(--orange);
}

.section-description {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.section-light .section-description {
    color: var(--text-light);
}

.section-dark .section-description {
    color: rgba(255, 255, 255, 0.75);
}

/* ─────────────────────────────────────────────────────
   Section Grid
   ───────────────────────────────────────────────────── */
.section-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 1024px) {
    .section-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
    }
}

.section-text {
    max-width: 32rem;
}

.section-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    background: rgba(232, 98, 42, 0.12);
    border-radius: var(--radius-2xl);
    padding: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-2xl);
    display: block;
}

.floating-badge {
    position: absolute;
    bottom: -1.25rem;
    right: -1.25rem;
    padding: 1.25rem;
    border-radius: var(--radius-xl);
    background: var(--navy);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.badge-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--gold);
    font-family: 'Syne', sans-serif;
}

.badge-subtext {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.25rem;
}

/* ─────────────────────────────────────────────────────
   Feature Tags
   ───────────────────────────────────────────────────── */
.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(13, 27, 42, 0.07);
    color: var(--text-dark);
}

/* ─────────────────────────────────────────────────────
   Benefits Grid
   ───────────────────────────────────────────────────── */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.benefit-card {
    padding: 1.5rem;
    border-radius: var(--radius-2xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s var(--ease-out);
}

.benefit-card:hover {
    transform: translateY(-0.5rem);
    background: rgba(255, 255, 255, 0.08);
}

.benefit-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 98, 42, 0.15);
    color: var(--orange);
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.benefit-card:hover .benefit-icon {
    transform: scale(1.1);
}

.benefit-card h3 {
    color: white;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.benefit-card p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────
   Scenery Banner
   ───────────────────────────────────────────────────── */
.scenery-banner {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    height: 12rem;
}

@media (min-width: 768px) {
    .scenery-banner {
        height: 16rem;
    }
}

.scenery-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scenery-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 27, 42, 0.55);
    text-align: center;
}

.scenery-overlay p {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    font-family: 'Syne', 'Noto Sans JP', sans-serif;
}

@media (min-width: 768px) {
    .scenery-overlay p {
        font-size: 1.875rem;
    }
}

.scenery-overlay .highlight {
    color: var(--gold);
}

/* ─────────────────────────────────────────────────────
   Steps Grid
   ───────────────────────────────────────────────────── */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
}

@media (min-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step-card {
    position: relative;
    padding: 1.5rem;
    border-radius: var(--radius-2xl);
    background: white;
    box-shadow: 0 4px 24px rgba(13, 27, 42, 0.08);
    border: 1px solid rgba(13, 27, 42, 0.06);
}

.step-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: rgba(232, 98, 42, 0.12);
    font-family: 'Syne Mono', monospace;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.step-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 98, 42, 0.1);
    color: var(--orange);
    margin-bottom: 1rem;
}

.step-card h3 {
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.step-card p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────
   Voices Grid
   ───────────────────────────────────────────────────── */
.voices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.voice-card {
    padding: 1.5rem;
    border-radius: var(--radius-2xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.quote-mark {
    font-size: 3.5rem;
    font-family: Georgia, serif;
    color: var(--orange);
    opacity: 0.6;
    line-height: 1;
}

.voice-quote {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
    flex: 1;
}

.stars {
    display: flex;
    gap: 0.25rem;
}

.star {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    background: #D1D5DB;
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.star.filled {
    background: var(--gold);
}

.voice-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.voice-profile img {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    object-fit: cover;
    object-position: top;
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-weight: 700;
    color: white;
    font-size: 0.9375rem;
}

.profile-area {
    font-size: 0.75rem;
    color: var(--gold);
    margin-top: 0.125rem;
}

.profile-langs {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 0.125rem;
}

/* ─────────────────────────────────────────────────────
   FAQ
   ───────────────────────────────────────────────────── */
.faq-container {
    max-width: 48rem;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(13, 27, 42, 0.12);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: all 0.2s;
}

.faq-question:hover {
    color: var(--orange);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: rgba(232, 98, 42, 0.12);
    color: var(--orange);
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: all 0.3s;
}

.faq-item.active .faq-icon {
    background: var(--orange);
    color: white;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease-out);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding-bottom: 1.25rem;
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* ─────────────────────────────────────────────────────
   CTA Section
   ───────────────────────────────────────────────────── */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(232, 98, 42, 0.4) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(240, 180, 41, 0.3) 0%, transparent 50%);
    opacity: 0.2;
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 10;
    text-align: center;
}

.cta-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: var(--gold);
    font-family: 'Syne', sans-serif;
}

.cta-title {
    margin-bottom: 1.5rem;
    color: white;
}

.cta-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
}

.cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 1.5rem;
}

/* ─────────────────────────────────────────────────────
   Footer
   ───────────────────────────────────────────────────── */
.footer {
    background: #060F18;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
}

.footer-logo .logo-my {
    color: white;
}

.footer-logo .logo-guide {
    color: var(--orange);
}

.logo-subtitle {
    margin-left: 0.5rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
}

@media (min-width: 768px) {
    .footer-links {
        justify-content: flex-start;
    }
}

.footer-link {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.2s;
}

.footer-link:hover {
    color: rgba(255, 255, 255, 0.7);
}

.footer-copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.25);
}

/* ─────────────────────────────────────────────────────
   Scroll Reveal Animation
   ───────────────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

/* Stagger effect */
.benefit-card:nth-child(1) { transition-delay: 0ms; }
.benefit-card:nth-child(2) { transition-delay: 80ms; }
.benefit-card:nth-child(3) { transition-delay: 160ms; }
.benefit-card:nth-child(4) { transition-delay: 240ms; }

.step-card:nth-child(1) { transition-delay: 0ms; }
.step-card:nth-child(2) { transition-delay: 100ms; }
.step-card:nth-child(3) { transition-delay: 200ms; }
.step-card:nth-child(4) { transition-delay: 300ms; }

.voice-card:nth-child(1) { transition-delay: 0ms; }
.voice-card:nth-child(2) { transition-delay: 100ms; }
.voice-card:nth-child(3) { transition-delay: 200ms; }

/* ─────────────────────────────────────────────────────
   Responsive
   ───────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .hero-content {
        padding: 1rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section-header {
        margin-bottom: 2rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}
