/* リセットとベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-red: #FF3B3B;
    --dark-red: #E60000;
    --light-red: #FF6666;
    --black: #1a1a1a;
    --dark-gray: #333333;
    --gray: #666666;
    --light-gray: #f8f9fa;
    --white: #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--black);
    line-height: 1.8;
    overflow-x: hidden;
    background: var(--white);
}

body.menu-open {
    overflow: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon {
    font-size: 2.5rem;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 2px 8px rgba(255, 59, 59, 0.3));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-8px) rotate(-5deg);
    }
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-brand {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--black);
    letter-spacing: 0.05em;
    line-height: 1;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--gray);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: 'Montserrat', sans-serif;
}

.apple-icon {
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.nav {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    text-decoration: none;
    color: var(--black);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:not(.cta-button)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: width 0.3s ease;
}

.nav-link:not(.cta-button):hover {
    color: var(--primary-red);
}

.nav-link:not(.cta-button):hover::after {
    width: 100%;
}

.nav-link.cta-button {
    background: var(--primary-red);
    color: var(--white);
    padding: 10px 28px;
    border-radius: 50px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.nav-link.cta-button:hover {
    background: var(--dark-red);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 59, 59, 0.35);
}

/* モバイルメニュートグル */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 30px;
    height: 3px;
    background: var(--black);
    transition: all 0.3s ease;
    border-radius: 3px;
}

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

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* モバイルメニュー */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 999;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    padding: 40px;
    gap: 30px;
}

.mobile-nav-link {
    text-decoration: none;
    color: var(--black);
    font-weight: 700;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

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

/* ヒーローセクション */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    padding: 100px 0 80px;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-apple {
    font-size: 4rem;
    margin-bottom: 30px;
    animation: float 3s ease-in-out infinite;
}

.hero-title {
    margin-bottom: 30px;
}

.hero-line {
    display: block;
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 400;
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 10px;
}

.hero-main {
    display: block;
    font-size: clamp(3.5rem, 8vw, 5.5rem);
    font-weight: 900;
    color: var(--primary-red);
    line-height: 1.2;
    margin-top: 20px;
    letter-spacing: 0.05em;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--gray);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.button {
    display: inline-block;
    padding: 16px 40px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.button-primary {
    background: var(--primary-red);
    color: var(--white);
}

.button-primary:hover {
    background: var(--dark-red);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 59, 59, 0.3);
}

.button-secondary {
    background: var(--white);
    color: var(--black);
    border: 2px solid var(--black);
}

.button-secondary:hover {
    background: var(--black);
    color: var(--white);
    transform: translateY(-2px);
}

.button-large {
    padding: 18px 50px;
    font-size: 1.1rem;
}

/* セクション共通スタイル */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    color: var(--primary-red);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: 15px;
    font-family: 'Montserrat', sans-serif;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 900;
    color: var(--black);
    margin-bottom: 15px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray);
}

/* コンセプトセクション */
.concept {
    padding: 100px 0;
    background: var(--light-gray);
}

.concept-story {
    max-width: 900px;
    margin: 0 auto;
}

.concept-story-content {
    background: var(--white);
    padding: 60px 50px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    margin-bottom: 40px;
    position: relative;
}

.concept-story-icon {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 30px;
    animation: float 3s ease-in-out infinite;
}

.concept-story-text {
    font-size: 1.05rem;
    line-height: 2;
    color: var(--dark-gray);
    text-align: left;
}

.highlight {
    color: var(--primary-red);
    font-weight: 700;
}

.highlight-red {
    color: var(--primary-red);
    font-weight: 900;
    font-size: 1.2rem;
    display: block;
    margin-top: 10px;
}

.concept-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.concept-mini-card {
    background: var(--white);
    padding: 30px 25px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    text-align: center;
    transition: all 0.3s ease;
}

.concept-mini-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-red);
}

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

.concept-mini-title {
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 10px;
}

.concept-mini-text {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
}

/* サービスセクション */
.service {
    padding: 100px 0;
    background: var(--white);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-red);
}

.service-card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--black);
    margin-bottom: 15px;
}

.service-card-text {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
}

.service-cta {
    text-align: center;
    padding-top: 30px;
}

/* 実績セクション */
.stats {
    padding: 80px 0;
    background: var(--primary-red);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    text-align: center;
}

.stat-number {
    font-size: clamp(3rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* 会社情報セクション */
.company {
    padding: 100px 0;
    background: var(--light-gray);
}

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

.company-main {
    text-align: center;
    margin-bottom: 60px;
}

.company-name {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 900;
    color: var(--black);
    margin-bottom: 30px;
}

.company-apple {
    font-size: 5rem;
    animation: float 3s ease-in-out infinite;
}

.company-info {
    background: var(--white);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.company-info-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--light-gray);
}

.company-info-item:last-child {
    border-bottom: none;
}

.company-info-label {
    font-weight: 700;
    color: var(--gray);
}

.company-info-value {
    color: var(--black);
}

.company-info-value a {
    color: var(--primary-red);
    text-decoration: none;
    transition: color 0.3s ease;
}

.company-info-value a:hover {
    color: var(--dark-red);
    text-decoration: underline;
}

/* お問い合わせセクション */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.contact-method {
    background: var(--light-gray);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.contact-method:hover {
    transform: translateY(-5px);
    background: var(--primary-red);
    color: var(--white);
    border-color: var(--primary-red);
}

.contact-method-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.contact-method-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.contact-method-link {
    color: var(--black);
    text-decoration: none;
    word-break: break-all;
    transition: color 0.3s ease;
}

.contact-method:hover .contact-method-link {
    color: var(--white);
}

.contact-cta {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #e0e0e0;
}

/* フッター */
.footer {
    background: var(--dark-gray);
    color: var(--light-gray);
    padding: 60px 0 30px;
}

.footer-content {
    text-align: center;
    margin-bottom: 40px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-align: left;
}

.footer-logo-brand {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: 0.05em;
    line-height: 1;
}

.footer-logo-sub {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--gray);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-family: 'Montserrat', sans-serif;
}

.footer-text {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--primary-red);
    font-weight: 700;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--light-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: var(--gray);
}

/* レスポンシブデザイン */
@media (max-width: 968px) {
    .nav {
        display: none;
    }

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

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

    .company-info {
        padding: 30px 20px;
    }

    .company-info-item {
        grid-template-columns: 1fr;
        gap: 5px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 80px 0 60px;
        min-height: 80vh;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .button {
        width: 100%;
        text-align: center;
    }

    .concept-cards,
    .service-grid,
    .contact-methods {
        grid-template-columns: 1fr;
    }

    .concept-story-content {
        padding: 40px 30px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-header {
        margin-bottom: 50px;
    }

    .concept,
    .service,
    .company,
    .contact {
        padding: 60px 0;
    }

    .stats {
        padding: 60px 0;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .logo-brand {
        font-size: 1.1rem;
    }

    .logo-sub {
        font-size: 0.55rem;
    }

    .logo-icon {
        font-size: 2rem;
    }

    .apple-icon {
        font-size: 1.5rem;
    }

    .hero-apple {
        font-size: 3rem;
    }

    .company-info {
        padding: 20px 15px;
    }

    .contact-method {
        padding: 30px 20px;
    }

    .service-card {
        padding: 30px 20px;
    }

    .concept-story-content {
        padding: 30px 20px;
    }

    .concept-story-text {
        font-size: 0.95rem;
    }

    .highlight-red {
        font-size: 1.05rem;
    }

    .footer-logo-brand {
        font-size: 1.1rem;
    }

    .footer-logo-sub {
        font-size: 0.55rem;
    }
}