@charset "UTF-8";

/* ========================================
   Corporate Design System (SaaS / B2B LP Style)
   Font: Noto Sans JP
======================================== */

:root {
    /* Colors - Deep Corporate Dark */
    --color-bg-main: #0a0e17;
    /* Very dark blue, almost black */
    --color-bg-alt: #111827;
    /* Slightly lighter slate for sections/cards */
    --color-bg-card: #1e293b;
    /* Card background */
    --color-bg-card-hover: #2dd4bf0d;
    /* Subtle hover tint */

    /* Branding */
    --color-gold: #c7b370;
    /* Keep the established gold */
    --color-gold-hover: #dfce93;
    --color-primary: #3b82f6;
    /* B2B standard blue for reliable actions */
    --color-primary-hover: #2563eb;

    /* Text */
    --color-text-main: #f1f5f9;
    /* Crisp off-white */
    --color-text-muted: #94a3b8;
    /* Readable, elegant gray */

    /* Category Colors - More subtle/professional tones */
    --cat-a-bg: rgba(59, 130, 246, 0.15);
    /* Blue */
    --cat-a-border: rgba(59, 130, 246, 0.5);
    --cat-a-text: #60a5fa;

    --cat-b-bg: rgba(16, 185, 129, 0.15);
    /* Emerald */
    --cat-b-border: rgba(16, 185, 129, 0.5);
    --cat-b-text: #34d399;

    --cat-c-bg: rgba(245, 158, 11, 0.15);
    /* Amber */
    --cat-c-border: rgba(245, 158, 11, 0.5);
    --cat-c-text: #fbbf24;

    /* Common UI borders */
    --border-color: #334155;

    /* Layout */
    --content-width: 1100px;
    --header-height: 70px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-corp: 'Noto Sans JP', sans-serif;
}

/* ========================================
   Reset & Base
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: transparent;
    color: var(--color-text-main);
    font-family: var(--font-corp);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
    padding-top: 0;
}

/* SNS Section Root */
#sns-section {
    color: var(--color-text-main);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

button {
    background: none;
    border: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
}

ul {
    list-style: none;
}

.text-gold {
    color: var(--color-gold);
}

/* ========================================
   Corp Container & Sections
======================================== */
.corp-container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.corp-section {
    padding: var(--spacing-xl) 0;
}

.section-light {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.bg-alt {
    background-color: var(--color-bg-main);
    background-image: radial-gradient(circle at 50% 0%, rgba(30, 41, 59, 1) 0%, rgba(10, 14, 23, 1) 100%);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.05em;
}

.section-desc {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Buttons
======================================== */
.btn-primary,
.btn-primary-sm,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    padding: 0.8rem 2rem;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary-sm {
    background-color: var(--color-primary);
    color: #fff;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-primary-sm:hover {
    background-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-main);
    border: 1px solid var(--border-color);
    padding: 0.8rem 2rem;
    font-size: 1rem;
}

.btn-secondary:hover {
    background-color: var(--color-bg-card);
    border-color: var(--color-text-muted);
}

/* ========================================
   Header (Sticky B2B Navbar)
======================================== */
.corp-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-inner {
    max-width: var(--content-width);
    margin: 0 auto;
    width: 100%;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-corp {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--color-text-main);
}

.brand-product {
    font-size: 0.85rem;
    color: var(--color-gold);
    font-weight: 500;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--color-gold);
    border-radius: 3px;
    letter-spacing: 0.05em;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header-nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.header-nav a:hover {
    color: var(--color-text-main);
}

/* ========================================
   Hero Section
======================================== */
.hero-section {
    padding: 8rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Subtle data grid background */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    mask-image: radial-gradient(circle at center, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 0%, transparent 80%);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* ========================================
   Mission Section
======================================== */
.mission-block {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.mission-text {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--color-text-muted);
}

/* ========================================
   Stats (Performance KPI)
======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: var(--spacing-lg);
}

.stat-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1;
    margin-bottom: 0.5rem;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

#stat-posted {
    color: var(--cat-b-text);
}

/* ========================================
   Templates (PR Solutions)
======================================== */
.tab-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--color-bg-alt);
    color: var(--color-text-muted);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    border-color: var(--color-text-muted);
    color: var(--color-text-main);
}

.tab-btn.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-main);
    border-color: rgba(255, 255, 255, 0.3);
}

.tab-btn .count {
    background-color: var(--color-bg-main);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    font-size: 0.75rem;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
    gap: 1.5rem;
}

/* Post Card UI - Corporate Style */
.post-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.post-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.post-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
}

.post-id {
    font-family: monospace;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Category Specifics */
.post-badge.cat-a {
    background: var(--cat-a-bg);
    color: var(--cat-a-text);
    border-color: var(--cat-a-border);
}

.post-badge.cat-b {
    background: var(--cat-b-bg);
    color: var(--cat-b-text);
    border-color: var(--cat-b-border);
}

.post-badge.cat-c {
    background: var(--cat-c-bg);
    color: var(--cat-c-text);
    border-color: var(--cat-c-border);
}

.post-card.cat-a:hover {
    border-color: var(--cat-a-border);
}

.post-card.cat-b:hover {
    border-color: var(--cat-b-border);
}

.post-card.cat-c:hover {
    border-color: var(--cat-c-border);
}

.post-text {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    white-space: pre-wrap;
    flex-grow: 1;
}

.post-url {
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.post-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.copy-btn {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
    transition: background-color 0.2s;
}

.copy-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.copy-btn.copied {
    background-color: var(--cat-b-bg);
    color: var(--cat-b-text);
    border-color: var(--cat-b-border);
}

.char-count {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-family: monospace;
    width: 80px;
    text-align: right;
}

/* ========================================
   Schedule (Data Grid Style)
======================================== */
.schedule-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding: 1rem;
    background-color: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.control-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sort-btn {
    background: transparent;
    color: var(--color-text-muted);
    border: none;
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
}

.sort-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-main);
}

.sort-btn.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-main);
    font-weight: 500;
}

.data-grid-container {
    background-color: var(--color-bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.phase-header {
    background-color: #151b28;
    /* Slightly darker than card */
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.phase-header:first-child {
    border-top: none;
}

.phase-emoji {
    font-size: 1.2rem;
}

.phase-name {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}

.phase-desc {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-left: auto;
    /* Push to right */
}

.schedule-table-wrap {
    overflow-x: auto;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.schedule-table th {
    padding: 1rem 1.5rem;
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--border-color);
}

.schedule-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: middle;
}

.schedule-table tr:hover {
    background-color: var(--color-bg-card-hover);
}

.schedule-table tr.posted {
    opacity: 0.5;
    background-color: rgba(0, 0, 0, 0.2);
}

.schedule-table tr.posted td {
    text-decoration: line-through;
    text-decoration-color: rgba(255, 255, 255, 0.3);
}

.schedule-date {
    font-family: monospace;
    color: var(--color-text-main);
}

.schedule-time {
    font-family: monospace;
    color: var(--color-gold);
    background-color: rgba(199, 179, 112, 0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}

.schedule-post-id {
    font-weight: 700;
    font-size: 0.85rem;
}

.schedule-text {
    display: block;
    max-width: 400px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--color-text-muted);
}

/* Category colors for schedule IDs */
.schedule-post-id.cat-a {
    color: var(--cat-a-text);
}

.schedule-post-id.cat-b {
    color: var(--cat-b-text);
}

.schedule-post-id.cat-c {
    color: var(--cat-c-text);
}

.schedule-actions {
    display: flex;
    gap: 0.5rem;
}

.schedule-copy-btn,
.posted-btn {
    padding: 0.4rem 0.8rem;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid transparent;
}

.schedule-copy-btn {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-main);
}

.schedule-copy-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.schedule-copy-btn.copied {
    background-color: var(--color-primary);
    color: white;
}

.posted-btn {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--color-text-muted);
}

.posted-btn:hover {
    border-color: var(--color-text-main);
}

.posted-btn.active {
    background-color: var(--cat-b-bg);
    border-color: var(--cat-b-border);
    color: var(--cat-b-text);
}

/* ========================================
   Footer
======================================== */
.corp-footer {
    background-color: #05080f;
    /* Even darker */
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.footer-brand .brand-corp {
    display: block;
    margin-bottom: 0.2rem;
}

.footer-brand .brand-product {
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-note {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-text-main);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-bottom .small {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    opacity: 0.7;
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 900px) {
    .header-nav {
        display: none;
    }

    /* Simplified for mobile */
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-section {
        padding: 6rem 1rem 4rem;
    }

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

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

    .footer-inner {
        flex-direction: column;
        gap: 2rem;
    }
}