/*
 * Homepage - Hero slideshow, Banner grid, Counter, Carousel, Brand, Testimonials, Blog, CTA
 */

/* ========================================
   HERO (single static slide)
   ======================================== */
.hero-section {
    position: relative;
}

.hero-static {
    position: relative;
    overflow: hidden;
    height: 680px;
}

.hero-slide {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
}

.hero-slide__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-slide__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.2) 60%, transparent 100%);
    z-index: 1;
}

.hero-slide__content {
    position: absolute;
    inset: 0;
    z-index: 2;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 60px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-slide__sub {
    font-size: var(--font-size-sub);
    font-weight: var(--font-weight-sub);
    letter-spacing: var(--letter-spacing-sub);
    text-transform: var(--text-transform-sub);
    color: var(--color-primary);
    margin-bottom: 16px;
}

.hero-slide__title {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    color: var(--color-bg);
    line-height: var(--line-height-heading);
    letter-spacing: var(--letter-spacing-heading);
    margin-bottom: 20px;
    max-width: 700px;
}

.hero-slide__description {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.7);
    max-width: 500px;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.hero-slide__buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

@media (max-width: 999px) {
    .hero-static {
        height: 480px;
    }
}

@media (max-width: 740px) {
    .hero-static {
        height: 520px;
    }
    .hero-slide {
        padding-bottom: 60px;
        overflow: hidden;
    }
    .hero-slide__content {
        padding: 0 20px;
    }
    .hero-slide__title {
        max-width: 100%;
    }
}

/* ========================================
   BANNER 4-COLUMN GRID
   ======================================== */
.banner-grid-4col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.banner-4col-card {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 560px;
    text-decoration: none;
    color: var(--color-bg);
}

.banner-4col-card__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.banner-4col-card__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.4s ease;
}

.banner-4col-card:hover .banner-4col-card__bg img {
    filter: brightness(1.15);
}

.banner-4col-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 43, 63, 0.5) 0%, rgba(11, 43, 63, 0.3) 50%, rgba(11, 43, 63, 0.6) 100%);
    z-index: 1;
}

.banner-4col-card__content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: var(--spacing-lg) var(--spacing-md);
}

.banner-4col-card__title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-bold);
    color: var(--color-bg);
    line-height: 1.2;
    letter-spacing: var(--letter-spacing-heading);
}

.banner-4col-card__bottom {
    margin-top: auto;
}

.banner-4col-card__line {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    margin-bottom: var(--spacing-sm);
}

.banner-4col-card__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.banner-4col-card__cta-text {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-bg);
    letter-spacing: 0.02em;
}

.banner-4col-card__cta-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.banner-4col-card__cta-arrow .icon {
    font-size: 18px;
    color: var(--color-bg);
}

.banner-4col-card:hover .banner-4col-card__cta-arrow {
    transform: translateX(6px);
    border-color: var(--color-primary);
}

@media (max-width: 999px) {
    .banner-grid-4col {
        grid-template-columns: repeat(2, 1fr);
    }
    .banner-4col-card {
        min-height: 420px;
    }
}

@media (max-width: 740px) {
    .banner-grid-4col {
        grid-template-columns: 1fr;
    }
    .banner-4col-card {
        min-height: 320px;
    }
}

/* ========================================
   COUNTER / IMPACT SECTION
   ======================================== */
/* TEMPORARILY HIDDEN — 製品数が少ないうちは逆効果のため非表示。
   復活させるには下の display:none を削除し、数字を質的訴求に差し替えること。 */
.counter-section {
    display: none;
    padding: var(--spacing-xl) 0;
}

/* Header row */
.counter-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
    margin-bottom: var(--spacing-xl);
}

.counter-header__title {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-heading);
    letter-spacing: var(--letter-spacing-heading);
}

.counter-header__title::after {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    margin-left: 8px;
    vertical-align: baseline;
    position: relative;
    top: 2px;
}

.counter-header__right {
    padding-top: 4px;
    padding-left: 24px;
}

.counter-header__description {
    font-size: var(--font-size-base);
    color: var(--color-body);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

/* Counter cards */
.counter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.counter-card {
    background: var(--color-bg);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--border-radius-reduced);
    text-align: center;
}

.counter-card__illust {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
}

.counter-card__illust img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.counter-card__number {
    font-size: 56px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 8px;
}

.counter-card__label {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: 8px;
}

.counter-card__desc {
    font-size: var(--font-size-xs);
    color: var(--color-muted);
    line-height: 1.6;
}

@media (max-width: 999px) {
    .counter-header {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 740px) {
    .counter-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   TOOL CAROUSEL
   ======================================== */
.carousel-section .section-header--with-cta {
    margin-bottom: var(--spacing-md);
}

.carousel-navigation {
    display: flex;
    gap: 8px;
}

.carousel-navigation .swiper-button-prev,
.carousel-navigation .swiper-button-next {
    position: static;
    width: 48px;
    height: 48px;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text);
    transition: var(--transition-default);
    margin: 0;
}

.carousel-navigation .swiper-button-prev::after,
.carousel-navigation .swiper-button-next::after {
    font-size: 16px;
}

.carousel-navigation .swiper-button-prev:hover,
.carousel-navigation .swiper-button-next:hover {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

/* ========================================
   BRAND SECTION
   ======================================== */
.brand-section {
    padding: var(--spacing-xl) 0;
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.testimonials-section {
    padding: var(--spacing-xl) 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 999px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 740px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   BLOG SECTION
   ======================================== */
.blog-section .blog-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 999px) {
    .blog-section .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 740px) {
    .blog-section .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   CTA SECTION (Buyback)
   ======================================== */
.cta-section {
    position: relative;
    overflow: hidden;
}

.cta-section__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cta-section__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.cta-section__content {
    position: relative;
    z-index: 1;
}