/**
 * NOMERA - Coming Soon Landing Page
 * Version: 2.0.0
 *
 * Design Concept:
 * - "公式サイト準備中" as a prominent feature, not hidden
 * - Premium coming soon page that feels intentional
 * - Strong visual impact with hero image
 * - Minimal but complete information
 */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
    /* Brand Colors */
    --color-axis-silver: #454649;
    --color-still-grey: #b0bfc8;

    /* Derived Colors */
    --color-text-primary: #454649;
    --color-text-secondary: #6b6e72;
    --color-text-muted: #8a8d91;
    --color-text-light: #b0bfc8;
    --color-text-white: #ffffff;

    /* Background Colors */
    --color-bg-white: #ffffff;
    --color-bg-off-white: #f8f9fa;
    --color-bg-light: #f0f2f4;
    --color-bg-dark: #454649;
    --color-bg-darker: #2d2e30;
    --color-bg-overlay: rgba(45, 46, 48, 0.85);

    /* Typography */
    --font-family-base: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
    --font-family-en: 'Helvetica Neue', 'Arial', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-text-primary);
    background-color: var(--color-bg-white);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ==========================================================================
   Hero Section - Full Screen Coming Soon
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Background Image */
.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero__bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Dark Overlay */
.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(45, 46, 48, 0.92) 0%,
        rgba(69, 70, 73, 0.88) 50%,
        rgba(45, 46, 48, 0.92) 100%
    );
    z-index: 2;
}

/* Content */
.hero__content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-text-white);
    padding: var(--space-lg);
    max-width: 720px;
}

/* Coming Soon Badge - Prominent */
.hero__badge {
    display: inline-block;
    padding: 12px 32px;
    background: rgba(176, 191, 200, 0.15);
    border: 1px solid rgba(176, 191, 200, 0.4);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-still-grey);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(4px);
}

/* Logo */
.hero__logo {
    width: 200px;
    height: auto;
    margin: 0 auto var(--space-lg);
    filter: brightness(0) invert(1);
}

/* Tagline */
.hero__tagline {
    font-family: var(--font-family-en);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.25em;
    color: var(--color-still-grey);
    text-transform: uppercase;
    margin-bottom: var(--space-2xl);
}

/* Main Copy */
.hero__title {
    font-size: 1.75rem;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: 0.04em;
    margin-bottom: var(--space-md);
}

.hero__subtitle {
    font-size: 1rem;
    font-weight: 300;
    line-height: 2;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-2xl);
}

/* CTA */
.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 16px 40px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: var(--color-text-white);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    transition: all 0.3s ease;
}

.hero__cta:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

/* Scroll Indicator */
.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-still-grey);
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    opacity: 0.7;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-still-grey), transparent);
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg-off-white);
}

.about__inner {
    max-width: var(--container-narrow);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about__image {
    position: relative;
}

.about__image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* Brand accent line */
.about__image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 60px;
    height: 3px;
    background: var(--color-still-grey);
}

.about__content {
    padding: var(--space-lg) 0;
}

.about__label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-family-en);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-still-grey);
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.about__label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--color-still-grey);
}

.about__title {
    font-size: 1.375rem;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: var(--space-lg);
}

.about__text {
    font-size: 0.875rem;
    font-weight: 300;
    line-height: 2.2;
    color: var(--color-text-secondary);
}

.about__text p + p {
    margin-top: var(--space-md);
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg-white);
}

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

.services__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.services__label {
    font-family: var(--font-family-en);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-still-grey);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.services__title {
    font-size: 1.25rem;
    font-weight: 500;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.service-card {
    padding: var(--space-xl) var(--space-lg);
    background: var(--color-bg-off-white);
    text-align: center;
    transition: all 0.3s ease;
}

.service-card:hover {
    background: var(--color-bg-light);
}

.service-card__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-white);
    border-radius: 50%;
    color: var(--color-axis-silver);
    font-size: 1.25rem;
}

.service-card__title {
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.service-card__text {
    font-size: 0.8125rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg-dark);
    color: var(--color-text-white);
}

.contact__inner {
    max-width: var(--container-narrow);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact__main {
    padding-right: var(--space-xl);
    border-right: 1px solid rgba(176, 191, 200, 0.2);
}

.contact__label {
    font-family: var(--font-family-en);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-still-grey);
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.contact__title {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.contact__text {
    font-size: 0.875rem;
    font-weight: 300;
    line-height: 2;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-lg);
}

.contact__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    background: var(--color-still-grey);
    color: var(--color-bg-dark);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    transition: all 0.3s ease;
}

.contact__cta:hover {
    background: var(--color-text-white);
}

.contact__info {
    padding-left: var(--space-xl);
}

.contact__info-list {
    list-style: none;
}

.contact__info-item {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(176, 191, 200, 0.15);
}

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

.contact__info-label {
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-still-grey);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.contact__info-value {
    font-size: 0.9375rem;
    font-weight: 400;
}

.contact__info-value a {
    transition: color 0.2s ease;
}

.contact__info-value a:hover {
    color: var(--color-still-grey);
}

/* ==========================================================================
   Company Section
   ========================================================================== */

.company {
    padding: var(--space-3xl) var(--space-lg);
    background: var(--color-bg-off-white);
}

.company__inner {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.company__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.company__label {
    font-family: var(--font-family-en);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-still-grey);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.company__title {
    font-size: 1.25rem;
    font-weight: 500;
}

.company__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.company__info {
    background: var(--color-bg-white);
    padding: var(--space-xl);
}

.company__table {
    width: 100%;
}

.company__row {
    display: flex;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-bg-light);
    font-size: 0.875rem;
}

.company__row:last-child {
    border-bottom: none;
}

.company__row-label {
    flex-shrink: 0;
    width: 100px;
    font-weight: 400;
    color: var(--color-text-muted);
}

.company__row-value {
    font-weight: 300;
    line-height: 1.8;
}

.company__representative {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-xl);
    background: var(--color-bg-white);
}

.company__rep-label {
    font-size: 0.6875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.company__rep-name {
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.company__rep-title {
    font-size: 0.8125rem;
    font-weight: 300;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: var(--space-xl) var(--space-lg);
    background: var(--color-bg-darker);
    color: var(--color-text-white);
}

.footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__logo {
    height: 20px;
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.footer__copyright {
    font-size: 0.6875rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Responsive - Tablet
   ========================================================================== */

@media (max-width: 960px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero__logo {
        width: 160px;
    }

    .hero__title {
        font-size: 1.375rem;
    }

    .hero__subtitle {
        font-size: 0.9375rem;
    }

    .hero__scroll {
        display: none;
    }

    .about__inner {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .about__image {
        order: -1;
    }

    .about__image img {
        height: 280px;
    }

    .services__grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .service-card {
        display: flex;
        align-items: center;
        gap: var(--space-md);
        text-align: left;
        padding: var(--space-md);
    }

    .service-card__icon {
        margin: 0;
        flex-shrink: 0;
    }

    .service-card__content {
        flex: 1;
    }

    .contact__inner {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .contact__main {
        padding-right: 0;
        border-right: none;
        padding-bottom: var(--space-xl);
        border-bottom: 1px solid rgba(176, 191, 200, 0.2);
    }

    .contact__info {
        padding-left: 0;
    }

    .company__grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .footer__inner {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* ==========================================================================
   Responsive - Mobile
   ========================================================================== */

@media (max-width: 480px) {
    :root {
        --space-3xl: 4rem;
    }

    .hero__badge {
        padding: 10px 24px;
        font-size: 0.75rem;
    }

    .hero__logo {
        width: 140px;
    }

    .hero__tagline {
        font-size: 0.6875rem;
    }

    .hero__title {
        font-size: 1.125rem;
    }

    .hero__subtitle {
        font-size: 0.875rem;
    }

    .hero__cta {
        width: 100%;
        justify-content: center;
    }

    .about__title {
        font-size: 1.125rem;
    }

    .contact__cta {
        width: 100%;
        justify-content: center;
    }

    .company__row {
        flex-direction: column;
        gap: 4px;
    }

    .company__row-label {
        width: auto;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}