/* style.css */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #0ea5e9;
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-light: #94a3b8;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --orange: #f97316;
    --red: #ef4444;
    --green: #22c55e;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #f1f5f9;
    z-index: 1000;
    display: flex;
    align-items: center;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 2rem;
}

.logo-divider {
    width: 1px;
    height: 1.5rem;
    background: #e2e8f0;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary);
}

.btn-contact {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.2);
    transition: all 0.2s;
}

/* Hero */
.hero {
    padding: 10rem 0 5rem;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: #dbeafe;
    color: var(--primary);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.hero-title span {
    color: var(--primary);
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 480px;
}

.btn-group {
    display: flex;
    gap: 1rem;
}

.btn-primary {
    display: flex;
    align-items: center;
    background: var(--primary);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 1.125rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.1);
    transition: 0.3s;
}

.btn-outline {
    background: var(--white);
    color: var(--text-main);
    border: 2px solid #e2e8f0;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 1.125rem;
    cursor: pointer;
    transition: 0.3s;
}

.hero-image-area {
    position: relative;
    display: flex;
    justify-content: flex-end;
}

.product-img-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.img-bg-blur {
    position: absolute;
    inset: 0;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    filter: blur(40px);
}

.main-product-img {
    position: relative;
    z-index: 10;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.1));
}

.stats-card {
    position: absolute;
    bottom: -1rem;
    left: -2rem;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    z-index: 20;
}

.stats-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.stats-icon-bg {
    background: #fee2e2;
    padding: 0.5rem;
    border-radius: 0.5rem;
}

.stats-label { font-size: 0.75rem; color: #64748b; }
.stats-value { font-size: 1.25rem; font-weight: 700; }
.stats-alert { 
    font-size: 0.75rem; 
    font-weight: 700; 
    color: #f97316; 
    display: flex; 
    align-items: center; 
    gap: 0.25rem;
}

/* Features */
.section-features { padding: 6rem 0; }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.feature-card {
    padding: 2.5rem;
    background: var(--white);
    border: 1px solid #f1f5f9;
    border-radius: 2rem;
    transition: all 0.3s;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
}
.icon-box {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.bg-red-light { background: #fee2e2; }
.bg-orange-light { background: #ffedd5; }
.bg-blue-light { background: #dbeafe; }
.bg-green-light { background: #dcfce7; }
.text-red { color: #ef4444; }
.text-orange { color: #f97316; }
.text-blue { color: #2563eb; }
.text-green { color: #22c55e; }

/* Industry */
.industry-section { padding: 6rem 0; background: #fff; }
.section-title { text-align: center; font-size: 2.5rem; font-weight: 900; margin-bottom: 4rem; }
.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}
.industry-card {
    background: var(--bg-light);
    border-radius: 2rem;
    overflow: hidden;
    border: 1px solid #f1f5f9;
}
.industry-img-box { height: 250px; position: relative; overflow: hidden; }
.industry-img-box img { width: 100%; height: 100%; object-fit: cover; }
.industry-label {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
}
.industry-icon { background: var(--primary); padding: 0.5rem; border-radius: 0.75rem; }
.industry-content { padding: 2rem; }

/* Heatstroke */
.heatstroke-section {
    padding: 8rem 0;
    background: linear-gradient(to bottom right, #fff7ed, #fef2f2);
}
.heat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.heat-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 1rem;
    background: #ffedd5;
    color: #ea580c;
    border-radius: 9999px;
    font-weight: 700;
    margin-bottom: 1.5rem;
}
.check-list { list-style: none; margin-top: 2rem; }
.check-list li { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; font-weight: 700; }
.check-list i { color: var(--primary); }
.heat-images { position: relative; height: 500px; }
.heat-images img { border-radius: 1.5rem; box-shadow: var(--shadow); width: 70%; position: absolute; }
.heat-images .img-1 { top: 0; left: 0; z-index: 2; }
.heat-images .img-2 { bottom: 0; right: 0; z-index: 1; }

/* Contact */
.contact-section { padding: 10rem 0; background: #0f172a; color: white; text-align: center; }
.btn-group-center { display: flex; justify-content: center; gap: 2rem; margin-top: 3rem; flex-wrap: wrap; }
.btn-primary-lg {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary);
    color: white;
    border: none;
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 1.25rem;
    cursor: pointer;
}
.btn-outline-lg {
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
    font-weight: 800;
    border-radius: 1.25rem;
    cursor: pointer;
}

/* Footer */
.footer { padding: 4rem 0; border-top: 1px solid #f1f5f9; background: white; }
.footer-content { display: flex; flex-direction: column; align-items: center; gap: 2rem; }
.footer-logo { display: flex; align-items: center; gap: 1rem; }
.copyright { color: var(--text-light); font-size: 0.875rem; }

/* AOS Simulation */
.aos-init { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }
.aos-animate { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
    .hero-grid, .heat-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 2.5rem; }
    .nav-links { display: none; }
    .hero-image-area { margin-top: 3rem; }
    .heat-images { height: 400px; }
}



/* 熱中症対策コンテンツのスタイル */
.heatstroke-info {
    background-color: #f9f9f9;
    padding: 40px 20px;
    margin: 20px 0;
    border-radius: 8px;
    font-family: sans-serif;
}

.h-info-container {
    max-width: 900px;
    margin: 0 auto;
}

.h-info-title {
    color: #d32f2f; /* 注意を促す赤系 */
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 10px;
    border-bottom: 2px solid #d32f2f;
    padding-bottom: 10px;
}

.h-info-lead {
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.6;
}

.h-info-grid {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.h-info-card {
    background: #fff;
    border: 1px solid #ddd;
    padding: 20px;
    flex: 1;
    min-width: 300px;
    border-radius: 5px;
    position: relative;
}

.h-info-tag {
    background: #d32f2f;
    color: #fff;
    font-size: 0.8rem;
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: bold;
}

.h-info-card h3 {
    margin-top: 10px;
    font-size: 1.2rem;
    color: #333;
}

.h-info-caution {
    margin-top: 30px;
    background: #fff5f5;
    border-left: 5px solid #d32f2f;
    padding: 15px;
    font-size: 0.95rem;
}




/* SDK・OEMセクションのスタイル */
.business-solution {
    background-color: #ffffff;
    padding: 60px 20px;
    border-top: 1px solid #eee;
}

.bs-container {
    max-width: 1000px;
    margin: 0 auto;
}

.bs-title {
    color: #004a99; /* 信頼感のある青 */
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.bs-lead {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
}

.bs-flex-row {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.bs-card {
    background: #f8fbff;
    border: 1px solid #d1e3ff;
    border-radius: 12px;
    padding: 30px;
    flex: 1;
    min-width: 320px;
    transition: transform 0.3s ease;
}

.bs-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,74,153,0.1);
}

.bs-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.bs-card h3 {
    color: #004a99;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.bs-list {
    margin-top: 15px;
    padding-left: 20px;
    font-size: 0.9rem;
    color: #444;
}

.bs-list li {
    margin-bottom: 8px;
    list-style-type: square;
}

.bs-cta {
    text-align: center;
    margin-top: 50px;
    padding: 30px;
    background: #004a99;
    color: #fff;
    border-radius: 8px;
}

.bs-button {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background: #ff9800; /* 目立つオレンジ */
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
}