/* =================================================
   Common Sections - 複数ページで使用される共通セクション
   ================================================= */

/* Philosophy Section */
.philosophy-section {
    padding: var(--section-padding-mobile);
    background: var(--color-bg-primary);
    position: relative;
    overflow: hidden;
}

@media (min-width: 769px) {
    .philosophy-section {
        padding: var(--section-padding);
    }
}

.philosophy-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.05;
}

.shape-yellow {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--color-accent-01), var(--color-warning));
    top: -200px;
    right: -200px;
}

.shape-orange {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-warning), var(--color-error-lighter));
    bottom: -150px;
    left: -150px;
}

.philosophy-visual-wrapper {
    position: relative;
    z-index: 1;
}

.philosophy-headline-box {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.philosophy-headline {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-black);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-lg);
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight);
    font-family: var(--font-heading);
}

@media (min-width: 768px) {
    .philosophy-headline {
        font-size: var(--font-size-3xl);
    }
}

@media (min-width: 1024px) {
    .philosophy-headline {
        font-size: var(--font-size-4xl);
    }

    .philosophy-headline-box {
        max-width: 1000px;
        margin-left: auto;
        margin-right: auto;
    }
}

.philosophy-content-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
    .philosophy-content-grid {
        grid-template-columns: 1fr 400px;
        gap: var(--spacing-2xl);
    }
}

.philosophy-text-box {
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.philosophy-text {
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-md);
    font-size: var(--font-size-15);
}

.philosophy-text:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .philosophy-text-box {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .philosophy-text {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-lg);
    }
}

/* Philosophy Images */
.philosophy-images {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.philosophy-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
}

.philosophy-image:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.philosophy-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ================================================= */
/* Overview Section - 汎用サービス概要セクション      */
/* ================================================= */

/* Block */
.overview-section {
    padding: var(--section-padding-mobile);
    background: var(--color-bg-primary);
    position: relative;
    overflow: hidden;
}

@media (min-width: 769px) {
    .overview-section {
        padding: var(--section-padding);
    }
}

/* Element - Background Shapes */
.overview-section__bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.overview-section__shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.05;
}

/* Modifier - Yellow Shape */
.overview-section__shape--yellow {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--color-accent-01), var(--color-warning));
    top: -200px;
    right: -200px;
}

/* Modifier - Orange Shape */
.overview-section__shape--orange {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-warning), var(--color-error-lighter));
    bottom: -150px;
    left: -150px;
}

/* Element - Wrapper */
.overview-section__wrapper {
    position: relative;
    z-index: 1;
}

/* Element - Headline */
.overview-section__headline {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-secondary);
    letter-spacing: 0;
    line-height: var(--line-height-relaxed);
}

@media (min-width: 768px) {
    .overview-section__headline {
        font-size: var(--font-size-xl);
    }
}

@media (min-width: 1024px) {
    .overview-section__headline {
        font-size: var(--font-size-xl);
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: var(--spacing-2xl);
    }
}

/* Element - Content Grid */
.overview-section__content {
    max-width: 900px;
    margin: 0 auto;
}

/* Element - Text Box */
.overview-section__text-box {
    padding: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
}

@media (min-width: 768px) {
    .overview-section__text-box {
        padding: 0;
    }
}

/* Element - Text Paragraph */
.overview-section__text {
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-md);
    font-size: var(--font-size-base);
}

.overview-section__text:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .overview-section__text {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-lg);
    }
}

/* Element - Images Container */
.overview-section__images {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Element - Single Image */
.overview-section__image {
    /* 透過PNG用 - 枠・影なし */
}

.overview-section__image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ================================================= */
/* Feature Cards Section - 汎用特徴カード表示セクション */
/* ================================================= */

/* Block */
.feature-cards-section {
    padding: var(--section-padding-mobile);
    background: var(--color-bg-secondary);
}

@media (min-width: 769px) {
    .feature-cards-section {
        padding: var(--section-padding);
    }
}

/* Element - Grid Container */
.feature-cards-section__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* Element - Card Item */
.feature-cards-section__item {
    background: var(--color-bg-primary);
    padding: 50px 30px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-cards-section__item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--color-accent-01), var(--color-warning));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-cards-section__item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-cards-section__item:hover::before {
    transform: scaleX(1);
}

/* Element - Icon Wrapper */
.feature-cards-section__icon {
    margin-bottom: var(--spacing-md);
}

/* Element - Icon Circle */
.feature-cards-section__icon-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent-01), var(--color-warning));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 5px 20px rgba(255, 184, 28, 0.3);
}

/* Element - Number */
.feature-cards-section__number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-white);
    font-family: var(--font-secondary);
}

/* Element - Title */
.feature-cards-section__title {
    font-weight: 900;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

/* Element - Description */
.feature-cards-section__description {
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin: 0;
}

/* ================================================= */
/* History Section - 企業沿革セクション                */
/* ================================================= */

/* Block */
.history-section {
    padding: var(--section-padding-mobile);
    background: var(--color-bg-secondary);
}

@media (min-width: 769px) {
    .history-section {
        padding: var(--section-padding);
    }
}

/* Element - Timeline Container */
.history-section__timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

/* Element - History Item */
.history-section__item {
    background: var(--color-bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    border-left: 4px solid var(--color-accent-01);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.history-section__item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Element - Year */
.history-section__year {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-01);
    font-family: var(--font-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Element - Title */
.history-section__title {
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 10px;
    font-size: 1.25rem;
}

/* Element - Description */
.history-section__description {
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin: 0;
}

/* ================================================= */
/* Stats Section - 実績・数値表示セクション             */
/* ================================================= */

/* Block */
.stats-section {
    padding: var(--section-padding-mobile);
    background: linear-gradient(135deg, var(--color-bg-dark), var(--color-gray-darkest));
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

@media (min-width: 769px) {
    .stats-section {
        padding: var(--section-padding);
    }
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(255, 184, 28, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 152, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.stats-section .section__subtitle {
    color: rgba(255, 255, 255, 0.7);
}

/* Element - Grid Container */
.stats-section__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: var(--max-width-container);
    margin: 0 auto;
}

/* Element - Card */
.stats-section__card {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.stats-section__card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

/* Element - Number */
.stats-section__number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-black);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
    line-height: 1.2;
}

.stats-section__number span {
    font-size: 1.2rem;
}

/* Element - Label */
.stats-section__label {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

/* Element - Description */
.stats-section__description {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    line-height: var(--line-height-relaxed);
}

/* Message/FAQ Section */
.message-section {
    padding: var(--section-padding-mobile);
    background: var(--color-bg-primary);
}

@media (min-width: 769px) {
    .message-section {
        padding: var(--section-padding);
    }
}

.message-content {
    max-width: var(--max-width-container);
    margin: 0 auto;
}

.message-text {
    padding: var(--spacing-md) 0;
}

.message-text h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 4px solid var(--color-primary);
}

.message-text h3:first-child {
    margin-top: 0;
}

.message-text p {
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    margin: 0 0 var(--spacing-lg);
}

.message-text p:last-child {
    margin-bottom: 0;
}

/* Responsive - Tablet and Desktop */
@media (min-width: 769px) {
    .stats-section__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1025px) {
    .stats-section__grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .stats-section__number {
        font-size: 3rem;
    }

    .stats-section__number span {
        font-size: 1.5rem;
    }
}