/* 
  Main Stylesheet for Chick Design LP
  Version: 1.0
*/

/* ========== 変数 ========== */
:root {
    /* カラー */
    --color-main-silver: #D8D8D8;
    --color-dark-gray: #2B2B2B;
    --color-blue: #1E90FF;
    --color-green: #4CAF50;
    --color-light-gray: #F5F5F5;
    --color-white: #FFFFFF;
    --color-dark-blue: #0C4DA2;
    
    /* 金属調カラー */
    --color-metallic-light: #E8E8E8;
    --color-metallic-mid: #B0B0B0;
    --color-metallic-dark: #707070;
    --color-metallic-accent: #3D85C6;
    --color-metallic-highlight: #F0F0F0;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* ブレークポイント */
    --breakpoint-mobile: 767px;
    --breakpoint-tablet: 1199px;
}

/* ========== 共通スタイル ========== */
body {
    font-family: 'Noto Sans JP', 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--color-dark-gray);
    background-color: var(--color-white);
    overflow-x: hidden;
    position: relative;
}

/* 全体のパーティクル背景 */
.particles-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
    color: var(--color-dark-gray);
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-metallic-accent), transparent);
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-metallic-highlight), transparent);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-metallic-accent), var(--color-dark-blue));
    color: var(--color-white);
    border: none;
    box-shadow: 0 4px 15px rgba(30, 144, 255, 0.3);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-dark-blue), var(--color-metallic-accent));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 144, 255, 0.4);
}

.btn--primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    z-index: -1;
    transition: all 0.6s ease;
}

.btn--primary:hover::after {
    left: 100%;
}

/* ========== ヘッダー ========== */
.header {
    background-color: var(--color-dark-gray);
    background-image: 
        linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4)),
        url('../images/header-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.header__particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--color-metallic-dark), var(--color-metallic-accent), var(--color-metallic-dark));
    z-index: 2;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    z-index: 1;
}

.header__inner {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 3;
}

.header__logo {
    position: relative;
}

.header__logo h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    font-family: 'Times New Roman', Times, serif;
    background: linear-gradient(to right, var(--color-metallic-light), var(--color-white), var(--color-metallic-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: relative;
    display: inline-block;
}

.header__logo h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-metallic-accent), transparent);
}

.header__logo-accent {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    animation: pulse 3s infinite ease-in-out;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.3;
    }
}

.header__content {
    max-width: 800px;
    position: relative;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    border-radius: 10px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 10px 10px 30px rgba(0, 0, 0, 0.3);
}

.header__catchphrase {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    background: linear-gradient(to right, var(--color-metallic-light), var(--color-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    position: relative;
}

.header__description {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    color: var(--color-metallic-light);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    position: relative;
    padding-left: var(--spacing-sm);
    border-left: 3px solid var(--color-metallic-accent);
}

.header__scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-white);
    font-size: 0.9rem;
    opacity: 0.7;
    transition: all 0.3s ease;
    z-index: 3;
    animation: bounce 2s infinite;
}

.header__scroll-indicator span {
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
}

.header__scroll-indicator i {
    font-size: 1.2rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* ========== 事業紹介 ========== */
.services {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-metallic-light), var(--color-white));
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/subtle-pattern.png');
    opacity: 0.05;
    pointer-events: none;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    justify-items: center;
}

.service-card {
    background: linear-gradient(135deg, var(--color-metallic-light), var(--color-white));
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 
                inset 0 1px 1px rgba(255, 255, 255, 0.8);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15),
                inset 0 1px 1px rgba(255, 255, 255, 0.8);
}

.service-card__icon {
    background: linear-gradient(135deg, var(--color-metallic-accent), var(--color-dark-blue));
    color: var(--color-white);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 20px auto 0;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2),
                inset 0 1px 1px rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.3);
    z-index: 1;
}

.service-card__title {
    font-size: 1.5rem;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    color: var(--color-dark-gray);
    position: relative;
    font-weight: 700;
    text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.5);
}

.service-card__description {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-dark-gray);
    line-height: 1.6;
    flex-grow: 1;
}

.service-card__image {
    height: 220px;
    overflow: hidden;
    position: relative;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-top: auto;
}

.service-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-card__image img {
    transform: scale(1.05);
}

.service-card__image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
    pointer-events: none;
}

/* ========== 会社概要 ========== */
.company {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-metallic-mid), var(--color-metallic-light));
    position: relative;
    margin-top: 0;
}

.company::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-metallic-dark), var(--color-metallic-accent), var(--color-metallic-dark));
}

.company__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.company__mission,
.company__vision,
.company__strengths {
    background: linear-gradient(135deg, var(--color-white), var(--color-metallic-light));
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.company__mission h3,
.company__vision h3,
.company__strengths h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-blue);
    border-bottom: 2px solid var(--color-blue);
    padding-bottom: var(--spacing-xs);
}

.company__strengths ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.company__strengths ul li::before {
    content: "✓";
    color: var(--color-green);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* ========== お問い合わせ ========== */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.contact__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact__copy {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-dark-gray);
}

.contact__email {
    font-size: 1.5rem;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
    color: var(--color-blue);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-blue);
    border-radius: 50px;
    transition: all 0.3s ease;
}

.contact__email:hover {
    background-color: var(--color-blue);
    color: var(--color-white);
}

.contact__notes {
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-light-gray);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: left;
}

.contact__notes h3 {
    margin-bottom: var(--spacing-sm);
}

.contact__notes ul {
    margin-bottom: var(--spacing-sm);
}

.contact__notes ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.contact__notes ul li::before {
    content: "•";
    color: var(--color-blue);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.contact__response-time {
    font-style: italic;
    color: var(--color-dark-gray);
}

.contact__social {
    margin-top: var(--spacing-md);
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    border-radius: 4px;
    background-color: var(--color-light-gray);
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: #1DA1F2; /* Xのブランドカラー */
    color: var(--color-white);
}

/* ========== フッター ========== */
.footer {
    background-color: var(--color-main-silver);
    color: var(--color-dark-gray);
    padding: var(--spacing-lg) 0;
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer__copyright {
    margin-bottom: 0;
}

.footer__links {
    display: flex;
    gap: var(--spacing-md);
}

.footer__link {
    color: var(--color-dark-gray);
}

.footer__link:hover {
    color: var(--color-blue);
}

/* ========== アニメーション ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

/* ========== レスポンシブ対応 ========== */
/* タブレット */
@media (max-width: 1199px) {
    html {
        font-size: 15px;
    }
    
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .service-card {
        max-width: 100%;
    }
    
    .header__catchphrase {
        font-size: 2.5rem;
    }
}

/* モバイル */
@media (max-width: 767px) {
    html {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-card {
        max-width: 100%;
    }
    
    .header {
        min-height: 60vh;
    }
    
    .header__catchphrase {
        font-size: 2rem;
    }
    
    .header__description {
        font-size: 1rem;
    }
    
    .footer__content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__links {
        justify-content: center;
    }
    
    .company__content {
        grid-template-columns: 1fr;
    }
    
    .contact__email {
        font-size: 1.2rem;
        padding: var(--spacing-sm);
    }
}

.services::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-metallic-dark), transparent);
}