:root {
    /* Color Palette */
    --color-bg-base: #ffffff;
    --color-text-main: #111111;
    --color-text-muted: #333333;
    --color-primary: #f0c952; /* Main Gold/Yellow */
    --color-primary-hover: #dcb33f;
    --color-accent-red: #d02424; /* Accent Red */
    --color-accent-green: #5bb33c; /* Accent Green */
    --color-white: #ffffff;
    --color-black-soft: #000000;
    
    /* Typography */
    --font-family-sans: 'Noto Sans JP', sans-serif;
    --font-family-serif: 'Noto Sans JP', sans-serif; /* Use sans-serif everywhere for impact */
    
    /* Spacing */
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 3.5rem;

    /* Shadows & Effects */
    --shadow-soft: 0 4px 10px rgba(0,0,0,0.1);
    --shadow-strong: 0 10px 25px rgba(0,0,0,0.25);
    --border-radius: 8px;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-sans);
    color: var(--color-text-main);
    background-color: #e5e5e5; /* Darker gray outside to make LP pop */
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    display: flex;
    justify-content: center;
}

.mobile-wrapper {
    width: 100%;
    max-width: 480px; /* Force smartphone width */
    min-height: 100vh;
    background-color: var(--color-bg-base);
    position: relative;
    box-shadow: 0 0 40px rgba(0,0,0,0.3);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 15px;
}

/* Typography Utilities */
.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: var(--space-md);
    font-weight: 900;
    line-height: 1.3;
    letter-spacing: 0.02em;
    color: var(--color-black-soft);
    position: relative;
    padding-bottom: 10px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 5px;
    background-color: var(--color-accent-red);
}
.section-title.left-align { text-align: left; }
.section-title.left-align::after { left: 0; transform: none; }
.section-title.light { color: var(--color-white); }
.section-title.light::after { background-color: var(--color-primary); }

.description {
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    color: var(--color-text-main);
    font-weight: 700;
}
.description.center-align { text-align: center; }
.description.light { color: #ffffff; }

/* Header */
.header {
    position: sticky; 
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--color-white);
    border-bottom: 3px solid var(--color-primary);
    box-shadow: var(--shadow-soft);
}
.header-inner {
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-weight: 900;
    font-size: 1.6rem;
    color: var(--color-black-soft);
}
.logo .registered {
    font-size: 0.7rem;
    vertical-align: super;
}
.btn-header {
    background: var(--color-accent-green); /* LINE Green */
    color: var(--color-white);
    padding: 8px 20px;
    border-radius: 4px;
    font-weight: 900;
    font-size: 1rem;
    box-shadow: 0 3px 0 #3b7b25;
}
.btn-header:active {
    transform: translateY(3px);
    box-shadow: 0 0 0 #3b7b25;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 20px 0 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background-color: var(--color-primary); /* Bold Yellow Background */
    border-bottom: 5px solid var(--color-black-soft);
}
.hero-bg {
    display: none; /* Remove subtle bg image, use solid bold color */
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    text-align: center;
}

.hero-visual {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    animation: fadeUp 0.6s ease-out forwards;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 4px;
    background: #ffffff;
    padding: 5px;
    box-shadow: var(--shadow-strong);
    border: 3px solid var(--color-black-soft);
}

.hero-image-placeholder {
    width: 100%;
    height: 100%;
    background: #dddddd;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #333;
    font-weight: 900;
    padding: 1rem;
    font-size: 1.2rem;
}

.hero-decoration {
    display: none; /* Remove subtle decorations */
}

.hero-content {
    flex: 1;
    animation: fadeUp 0.8s ease-out forwards;
    padding: 0;
}

.hero-badge {
    display: inline-block;
    background: var(--color-accent-red);
    color: var(--color-white);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 900;
    font-size: 1rem;
    margin-bottom: 1rem;
    box-shadow: 2px 2px 0 var(--color-black-soft);
    border: 2px solid var(--color-black-soft);
}

.text-gold {
    color: var(--color-accent-red);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    font-size: 2.2rem;
    text-shadow: 1px 1px 0 #fff, -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff; /* White outline */
    display: block;
    margin-top: 5px;
}

.hero-main-copy {
    font-size: 1.9rem;
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.3;
    color: var(--color-black-soft);
}
.hero-sub-copy {
    font-size: 1.15rem;
    color: var(--color-black-soft);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.5;
    background: rgba(255,255,255,0.8);
    padding: 10px;
    border-radius: 4px;
}

/* Buttons */
.cta-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
}
.left-align-cta {
    justify-content: center;
}
.btn-large {
    padding: 15px 10px;
    width: 100%;
    border-radius: 8px;
}
.btn-primary {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-green); /* LINE Green for high impact */
    color: var(--color-white);
    border: 3px solid var(--color-black-soft);
    box-shadow: 0 6px 0 var(--color-black-soft);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.btn-primary:active {
    transform: translateY(6px);
    box-shadow: 0 0 0 var(--color-black-soft);
}
.btn-primary .btn-text {
    font-size: 1.35rem;
    font-weight: 900;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}
.btn-primary .btn-sub {
    font-size: 1rem;
    font-weight: 700;
    margin-top: 2px;
    background: #ffffff;
    color: var(--color-accent-green);
    padding: 2px 10px;
    border-radius: 20px;
}
.btn-secondary {
    display: inline-block;
    background: var(--color-accent-red);
    color: var(--color-white);
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 1.3rem;
    font-weight: 900;
    border: 3px solid var(--color-black-soft);
    box-shadow: 0 5px 0 var(--color-black-soft);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.btn-secondary:active {
    transform: translateY(5px);
    box-shadow: 0 0 0 var(--color-black-soft);
}

/* Empathy Section */
.empathy {
    padding: var(--space-xl) 0;
    background-color: var(--color-white);
}
.pain-points {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 0 auto 2rem;
}
.pain-points li {
    background: var(--color-bg-base);
    padding: 15px 20px;
    border-radius: 8px;
    position: relative;
    padding-left: 45px;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: var(--shadow-soft);
}
.pain-points li::before {
    content: "✓";
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.1rem;
}
.empathy-conclusion {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-black-soft);
    padding: 1.5rem 1rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* Philosophy */
.philosophy {
    padding: var(--space-xl) 0;
    background: var(--color-bg-base);
}
.philosophy-inner {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.philosophy-text {
    flex: 1;
}
.philosophy-image {
    flex: 1;
}
.philosophy-highlight {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-top: 1.5rem;
    line-height: 1.6;
}

/* Image Placeholders */
.image-placeholder {
    width: 100%;
    min-height: 250px;
    background: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 1.1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}
.portrait { min-height: 300px; }

/* About */
.about {
    padding: var(--space-xl) 0;
    background-color: var(--color-white);
}
.about-notice {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Testimonials */
.testimonials {
    padding: var(--space-xl) 0;
    background-color: var(--color-bg-base);
}
.before-after-gallery {
    margin-bottom: 3rem;
}
.ba-item {
    margin: 0 auto;
    text-align: center;
}
.ba-placeholder { min-height: 200px; margin-bottom: 10px; }
.caption { font-size: 0.85rem; color: #999; }

.voice-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.voice-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    position: relative;
}
.voice-card::before {
    content: "“";
    position: absolute;
    top: 5px;
    left: 15px;
    font-size: 4rem;
    color: rgba(212, 175, 55, 0.2);
    font-family: serif;
    line-height: 1;
}
.voice-text {
    font-size: 1rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}
.voice-name {
    font-weight: 700;
    text-align: right;
    color: var(--color-primary);
    font-size: 0.95rem;
}

/* Diagnostic Section */
.diagnostic {
    padding: var(--space-xl) 0;
    background: url('https://images.unsplash.com/photo-1560066984-138dadb4c035?q=80&w=1974&auto=format&fit=crop') center/cover fixed;
    position: relative;
}
.diagnostic::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
}
.diagnostic-inner {
    position: relative;
    text-align: center;
}
.diagnostic .note {
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    margin-top: 1rem;
}

/* Guidance (Briefing) */
.guidance {
    padding: var(--space-xl) 0;
    background-color: var(--color-white);
}
.guidance-box {
    margin: 0 auto;
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius);
}
.guidance-list {
    margin-bottom: 1.5rem;
}
.guidance-list li {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}
.guidance-list .label {
    display: inline-block;
    width: 80px;
    font-weight: 700;
    color: var(--color-primary);
}
.target-audience h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--color-primary);
}
.target-audience ul li {
    margin-bottom: 0.5rem;
    padding-left: 20px;
    position: relative;
    font-size: 0.95rem;
}
.target-audience ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}
.u-mt-large { margin-top: 2rem; }

/* Profile */
.profile {
    padding: var(--space-xl) 0;
    background-color: var(--color-bg-base);
}
.profile-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}
.profile-name {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}
.profile .note { font-size: 0.85rem; color: #999; }

/* FAQ */
.faq {
    padding: var(--space-xl) 0;
    background-color: var(--color-white);
}
.faq-list {
    margin: 0 auto;
}
.faq-item {
    margin-bottom: 1rem;
    background: var(--color-bg-base);
    border-radius: 8px;
    overflow: hidden;
}
.faq-item summary {
    padding: 15px;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    color: var(--color-primary);
    font-size: 1.2rem;
}
.faq-item[open] summary::after { content: "−"; }
.faq-answer {
    padding: 0 15px 15px;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Final CTA */
.final-cta {
    padding: var(--space-xl) 0;
    background: var(--color-primary); /* Use main gold here for impact */
    text-align: center;
    border-top: 5px solid var(--color-black-soft);
}

/* Footer */
.footer {
    padding: 2rem 0 8rem; /* Extra padding for floating CTA */
    text-align: center;
    background: var(--color-black-soft);
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 700;
}

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 -5px 20px rgba(0,0,0,0.2);
    z-index: 1000;
    border-top: 3px solid var(--color-accent-green);
}

.btn-floating {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-green);
    color: var(--color-white);
    padding: 15px 20px;
    border-radius: 8px;
    border: 3px solid var(--color-black-soft);
    box-shadow: 0 6px 0 var(--color-black-soft);
    font-weight: 900;
    text-align: center;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}

.btn-floating:active {
    transform: translateY(6px);
    box-shadow: 0 0 0 var(--color-black-soft);
}

.btn-floating .btn-text {
    font-size: 1.3rem;
    line-height: 1.3;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}
.btn-floating .btn-sub {
    font-size: 0.95rem;
    font-weight: 700;
    background: #ffffff;
    color: var(--color-accent-green);
    padding: 2px 10px;
    border-radius: 20px;
    margin-top: 5px;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-out;
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}