@charset "utf=8";
@import url(reset.css);


body {
  font-family: 'Sawarabi Gothic', sans-serif;
  font-size: 17px;
  line-height: 1.3;
  vertical-align: unset;
}

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: bottom;
}
@media screen and (max-width:960px) {
  .sub-inner h4 {
    font-size: 19px;
  }
}

@media screen and (max-width:480px) {
  .sub-inner h4 {
    font-size: 17px;
  }
}

:root {
    --primary-blue: #0047AB;
    --deep-blue: #002856;
    --accent-blue: #0066FF;
    --light-blue: #E6F2FF;
    --sky-blue: #4A90E2;
    --white: #FFFFFF;
    --gray: #F8F9FA;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 71, 171, 0.1);
    z-index: 1000;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.logo {
    font-family: 'Oswald', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: 2px;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent-blue), var(--primary-blue));
    color: white;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 102, 255, 0.4);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    height: calc(100vh - 80px);
    background: gray;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 背景動画 */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* background-size: cover と同じ */
    opacity: 0.5;
    z-index: 0;
    animation: subtleZoom 20s ease-in-out infinite alternate;
}

/* コンテンツを前面に */
.hero-content {
    position: relative;
    z-index: 1;
}

/* 既存のズームアニメーション */
@keyframes subtleZoom {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.1);
    }
}

@keyframes subtleZoom {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    max-width: 1000px;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero .description {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-cta {
    display: inline-flex;
    gap: 1.5rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-cta .primary-btn {
    background: white;
    color: var(--primary-blue);
    padding: 1.2rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.hero-cta .primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.hero-cta .secondary-btn {
    background: transparent;
    color: white;
    padding: 1.2rem 3rem;
    border: 2px solid white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.hero-cta .secondary-btn:hover {
    background: white;
    color: var(--primary-blue);
}

/* Problems Section */
.problems {
    padding: 6rem 2rem;
    background: var(--gray);
    text-align: center;
}

.section-title {
    font-family: 'Oswald', sans-serif;
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 4rem;
}

.problems-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 71, 171, 0.08);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 71, 171, 0.15);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.problem-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: white;
}

.features-container {
    max-width: 1400px;
    margin: 0 auto;
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 5rem;
    align-items: center;
}

.feature-row:nth-child(even) .feature-image {
    order: 2;
}

.feature-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 71, 171, 0.15);
}

.feature-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.feature-image:hover img {
    transform: scale(1.05);
}

.feature-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--accent-blue);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
}

.feature-content h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.feature-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.feature-points {
    list-style: none;
    padding: 0;
}

.feature-points li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #e0e0e0;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-points li:before {
    content: '✓';
    color: var(--accent-blue);
    font-weight: bold;
    font-size: 1.3rem;
}

/* Technology Section */
.technology {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--gray) 100%);
}

.tech-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.tech-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 71, 171, 0.1);
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-blue), var(--sky-blue));
}

.tech-card h4 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.tech-card p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* Use Cases Section */
.use-cases {
    padding: 6rem 2rem;
    background: white;
}

.cases-grid {
    max-width: 1400px;
    margin: 4rem auto 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.case-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 400px;
    box-shadow: 0 15px 40px rgba(0, 71, 171, 0.15);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.case-card:hover {
    transform: translateY(-10px);
}

.case-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 40, 86, 0.95), transparent);
    padding: 3rem 2rem 2rem;
    color: white;
}

.case-overlay h4 {
    font-family: 'Oswald', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.case-overlay ul {
    list-style: none;
    padding: 0;
}

.case-overlay li {
    padding: 0.5rem 0;
    font-size: 0.95rem;
    padding-left: 1.5rem;
    position: relative;
}

.case-overlay li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--sky-blue);
    font-size: 1.5rem;
    line-height: 1;
}

/* Interior Section */
.interior {
    padding: 6rem 2rem;
    background: var(--gray);
}

.interior-grid {
    max-width: 1400px;
    margin: 4rem auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.interior-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 71, 171, 0.1);
    transition: all 0.3s ease;
}

.interior-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 71, 171, 0.2);
}

.interior-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.interior-info {
    padding: 2rem;
}

.interior-info h4 {
    font-size: 1.4rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-weight: 700;
}

.interior-info p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Pricing Section */
.pricing {
    padding: 6rem 2rem;
    background: white;
}

.pricing-container {
    max-width: 1000px;
    margin: 4rem auto 0;
}

.price-card {
    background: linear-gradient(135deg, var(--primary-blue), var(--deep-blue));
    color: white;
    padding: 4rem;
    border-radius: 30px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 71, 171, 0.3);
    position: relative;
    overflow: hidden;
}

.price-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.price-content {
    position: relative;
    z-index: 1;
}

.price-amount {
    font-family: 'Oswald', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    margin: 2rem 0;
}

.price-amount span {
    font-size: 2rem;
}

.price-features {
    list-style: none;
    padding: 2rem 0;
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.price-features li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.price-features li:before {
    content: '✓';
    color: var(--sky-blue);
    font-weight: bold;
    font-size: 1.5rem;
}

/* FAQ Section */
.faq {
    padding: 6rem 2rem;
    background: var(--light-blue);
}

.faq-container {
    max-width: 900px;
    margin: 4rem auto 0;
}

.faq-item {
    background: white;
    margin-bottom: 1.5rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 71, 171, 0.08);
}

.faq-question {
    padding: 2rem;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--light-blue);
}

.faq-answer {
    padding: 0 2rem 2rem;
    color: var(--text-gray);
    line-height: 1.8;
}

/* Company Section */
.company {
    padding: 6rem 2rem;
    background: white;
    text-align: center;
}

.company-content {
    max-width: 800px;
    margin: 0 auto;
}

.company-logo {
    font-family: 'Oswald', sans-serif;
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    font-weight: 700;
    letter-spacing: 3px;
}

.company-content p {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* Final CTA Section */
.final-cta {
    padding: 8rem 2rem;
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--primary-blue) 100%);
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://rhinolinings.co.jp/wp-content/themes/rhinotheme/img/trailer_house/0013.jpg?w=800') center/cover;
    opacity: 0.1;
}

.final-cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.final-cta h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.final-cta p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn-large {
    padding: 1.5rem 3.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.cta-btn-primary {
    background: white;
    color: var(--primary-blue);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.cta-btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

.cta-btn-secondary {
    background: transparent;
    color: white;
    border: 3px solid white;
}

.cta-btn-secondary:hover {
    background: white;
    color: var(--primary-blue);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .feature-row {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .feature-row:nth-child(even) .feature-image {
        order: 1;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .interior-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .section-title {
        font-size: 2rem;
    }

    .price-amount {
        font-size: 3rem;
    }

    .final-cta h2 {
        font-size: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

	.feature-row:nth-child(even) .feature-image {
        order: inherit;
    }

}

/* Scroll Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}