:root {
    --primary-bg: #FFFFFF;
    --text-main: #223247;
    --text-muted: #5f6b7a;
    --color-trust-blue: #2f5d9f;
    --color-affirm-green: #2f8f6b;
    --color-line-green: #2f8f6b;
    --color-alert-red: #c9832b;
    --color-accent-gold: #c9832b;
    --color-brand-orange: #c9832b;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes shine {
    0% { left: -100%; }
    20% { left: 100%; }
    100% { left: 100%; }
}

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

body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--primary-bg);
    line-height: 1.9;
    font-size: 18px;
    overflow-x: hidden;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 2000;
    background: #fff;
    color: #111;
    padding: 10px 14px;
    border: 2px solid #111;
}

.skip-link:focus {
    left: 12px;
    top: 12px;
}

/* Layout Utilities */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

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

h1, h2, h3 {
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.45;
}

h2 {
    font-size: 2.1rem;
}

h3 {
    font-size: 1.45rem;
}

p, li, dd, dt, td, th, summary, caption {
    font-size: 1.1rem;
}

/* First View */
.fv {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    color: white;
}

.fv::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 100%);
}

.fv-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
}

.fv-tagline {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 10px;
    display: inline-block;
    padding: 5px 15px;
    background: var(--color-trust-blue);
    border-radius: 4px;
}

.fv-title {
    font-size: 4rem;
    line-height: 1.3;
    margin-bottom: 25px;
    font-weight: 900;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.fv-subtitle {
    font-size: 1.6rem;
    margin-bottom: 35px;
    color: rgba(255,255,255,1);
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    font-size: 1.2rem;
}

.btn-primary {
    background-color: var(--color-alert-red);
    color: white;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -100%;
    width: 60%;
    height: 200%;
    background: rgba(255, 255, 255, 0.5);
    transform: rotate(30deg);
    animation: shine 4s infinite linear;
}

.btn-line {
    background-color: var(--color-line-green);
    color: white;
}

.btn-tel {
    background-color: var(--color-trust-blue);
    color: white;
}

/* Steps / Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #d9e2ef;
    box-shadow: 0 10px 30px rgba(34, 50, 71, 0.08);
    transition: var(--transition-smooth);
}

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

/* Empathy Section */
.empathy {
    background-color: #f9f9f9;
}

.empathy-item {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.empathy-item i {
    color: var(--color-alert-red);
    margin-right: 15px;
}

/* CTA Bar */
.cta-bar {
    background: var(--color-trust-blue);
    color: white;
    padding: 52px 0;
    text-align: center;
}

.cta-bar h2 { margin-bottom: 10px; }
.cta-tel { font-size: 2.5rem; font-weight: 900; }

.hero-status {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.hero-status-badge {
    display: inline-block;
    background: rgba(47, 143, 107, 0.95);
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.28);
}

/* Micro-animations */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-init {
    opacity: 1;
    transform: translateY(0);
}

/* Sticky CTA Mobile */
.sticky-cta {
    position: fixed;
    bottom: 10px;
    left: 10px;
    right: 10px;
    z-index: 1000;
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
}

.sticky-cta .btn {
    border-radius: 50px;
    padding: 15px 5px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sticky-cta .btn span {
    font-size: 1.05rem; /* 1.5x larger */
    display: block;
    font-weight: 500;
}

.sticky-cta .btn strong {
    font-size: 1.65rem; /* 1.5x larger */
    display: block;
    font-weight: 900;
}

.fv-brand {
    font-size: 5.5rem; /* Largest in FV */
    font-weight: 900;
    color: var(--color-brand-orange);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    margin-bottom: 5px;
    letter-spacing: 2px;
}

/* Topic cluster navigation */
.cluster-section {
    background-color: #f7fafc;
    padding: 80px 0;
    border-top: 1px solid #e2e8f0;
}

.cluster-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.cluster-card {
    background: white;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    padding: 28px;
    text-decoration: none;
    color: var(--text-main);
    box-shadow: 0 4px 15px rgba(34, 50, 71, 0.03);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cluster-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(34, 50, 71, 0.1);
    border-color: var(--color-trust-blue);
}

.cluster-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-trust-blue);
}

.cluster-card-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.cluster-card-link {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-affirm-green);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    border-top: 1px solid #f0f4f8;
    padding-top: 15px;
    margin-top: auto;
}

.cluster-card-link::after {
    content: " →";
    margin-left: 4px;
    transition: transform 0.2s ease;
}

.cluster-card:hover .cluster-card-link::after {
    transform: translateX(4px);
}

/* Media Queries */
@media (max-width: 768px) {
    body { font-size: 19px; }
    .fv-brand { font-size: 3.5rem; margin-top: 20px;}
    .fv-title { font-size: 2.45rem; margin-bottom: 15px;}
    .fv-subtitle { font-size: 1.25rem; }
    .btn { width: 100%; text-align: center; }
    .grid-3 { grid-template-columns: 1fr !important; }
    .cluster-grid { grid-template-columns: 1fr; }
    .sticky-cta { display: grid; }
    .hero-status-badge { font-size: 1.05rem; }
    h2 { font-size: 1.95rem; }
    h3 { font-size: 1.35rem; }
    p, li, dd, dt, td, th, summary, caption { font-size: 1.12rem; }
    body { padding-bottom: 90px; } /* Space for sticky CTA */
}