/* ==========================================================================
   AJA Co., Ltd. - Corporate Style Sheet (Design Reference Ver.2)
   ========================================================================== */

:root {
  /* Color Palette (Ver.2) */
  --color-primary: #0D2D5E;        /* Deep Navy Blue */
  --color-primary-dark: #091e42;
  --color-primary-light: #e8eef8;

  --color-accent: #D4A24A;         /* Gold / Amber Accent */
  --color-accent-dark: #b8893a;
  --color-accent-light: #fdf3e0;

  /* Neutrals */
  --color-bg-light: #ffffff;
  --color-bg-alt: #F5F7FA;
  --color-text-dark: #222222;
  --color-text-muted: #555555;
  --color-border: #e0e6ed;

  /* Warning / Alert */
  --color-warning-bg: #fff8f0;
  --color-warning-border: #D4A24A;
  --color-danger: #c0392b;

  /* Layout */
  --max-width: 1100px;
  --font-heading: 'Noto Sans JP', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --border-radius: 4px;
  --border-radius-lg: 8px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  line-height: 1.75;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

*:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* Responsive Utilities */
.desktop-only { display: block; }
.mobile-only  { display: none; }

@media (max-width: 768px) {
  .desktop-only { display: none !important; }
  .mobile-only  { display: block !important; }
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding { padding: 5rem 0; }

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

@media (max-width: 768px) {
  .section-padding { padding: 3.5rem 0; }
}

.text-center { text-align: center; }
.max-w-600 { max-width: 600px; margin: 0 auto 3.5rem; }

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast);
}

header.scrolled {
  box-shadow: 0 2px 16px rgba(13, 45, 94, 0.08);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
  transition: height var(--transition-fast);
}

header.scrolled .nav-wrapper { height: 64px; }

/* Logo: AJA text + company name */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo-img {
  height: 44px;
  width: auto;
  display: block;
  border-radius: var(--border-radius);
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-abbr {
  font-family: 'Outfit', 'Noto Sans JP', sans-serif;
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  line-height: 1;
}

.logo-company {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* Nav */
.nav-menu {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-text-dark);
  padding: 0.5rem 0;
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active { color: var(--color-primary); }

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Hamburger */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 30px;
  position: relative;
  z-index: 1010;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-dark);
  margin: 6px 0;
  transition: var(--transition-fast);
}

@media (max-width: 992px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: white;
    box-shadow: -4px 0 30px rgba(0,0,0,0.1);
    flex-direction: column;
    padding: 100px 2rem 2rem;
    align-items: flex-start;
    transition: right var(--transition-smooth);
    z-index: 1005;
    gap: 1.5rem;
  }

  .nav-menu.open { right: 0; }

  .mobile-menu-btn { display: block; }

  .mobile-menu-btn.open span:nth-child(1) { transform: rotate(45deg) translate(6px,6px); }
  .mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
  .mobile-menu-btn.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

  .logo-company { display: none; }
}

/* ==========================================================================
   Hero Section (No background image, clean text layout)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  background-color: var(--color-bg-alt);
  color: var(--color-text-dark);
  margin-top: 72px;
  border-bottom: 3px solid var(--color-accent);
  padding: 5rem 0;
}

/* Subtle decorative left border */
.hero::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.25;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero {
    padding: 4rem 0;
    min-height: unset;
  }
  .hero-content {
    max-width: 100%;
  }
  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background-color: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--border-radius);
  border: 2px solid var(--color-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.cta-button:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

@media (max-width: 768px) {
  .cta-button { width: 100%; }
}

/* ==========================================================================
   Section Title (Gold underline accent)
   ========================================================================== */
.section-title {
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 2rem;
  display: inline-block;
  position: relative;
  padding-bottom: 0.6rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 2.5rem;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* Section header row (title + link on same line) */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.75rem;
}

.section-more-link {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  white-space: nowrap;
  margin-bottom: 0.6rem;
}

.section-more-link:hover { color: var(--color-accent-dark); }

/* ==========================================================================
   News Section
   ========================================================================== */
.news-list-container {
  max-width: 900px;
}

.news-list-ul {
  list-style: none;
  border-top: 1px solid var(--color-border);
}

.news-li-item {
  display: grid;
  grid-template-columns: 7rem auto 1fr 1.5rem;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-fast);
  cursor: pointer;
}

.news-li-item:hover {
  background-color: var(--color-bg-alt);
}

.news-li-date {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  flex-shrink: 0;
  font-family: 'Outfit', monospace;
}

/* Category badge */
.news-badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.news-badge.badge-normal {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid rgba(13, 45, 94, 0.2);
}

.news-badge.badge-important {
  background-color: var(--color-accent-light);
  color: #8a5e00;
  border: 1px solid rgba(212, 162, 74, 0.4);
}

.news-li-text {
  color: var(--color-text-dark);
  font-size: 0.93rem;
  text-align: left;
}

.news-li-arrow {
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-align: right;
  transition: transform var(--transition-fast);
}

.news-li-item:hover .news-li-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .news-li-item {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 0.4rem;
    padding: 1rem 0.5rem;
  }

  .news-li-date {
    grid-column: 1;
    grid-row: 1;
    font-size: 0.8rem;
  }

  .news-badge {
    grid-column: 2;
    grid-row: 1;
  }

  .news-li-text {
    grid-column: 1 / 3;
    grid-row: 2;
    font-size: 0.88rem;
  }

  .news-li-arrow {
    display: none;
  }
}

/* ==========================================================================
   Business Description Section
   ========================================================================== */
.business-layout {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  max-width: 900px;
}

.business-icon-column {
  flex-shrink: 0;
}

.icon-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  border: 1px solid rgba(13, 45, 94, 0.15);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bottle-svg-icon {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
}

.business-text-column {
  flex-grow: 1;
  text-align: left;
}

.business-section-title {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.business-main-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 1.75rem;
}

.text-danger-bold {
  color: var(--color-danger);
  font-weight: 700;
}

.btn-outline-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.75rem;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn-outline-action:hover {
  background-color: var(--color-primary);
  color: white;
}

@media (max-width: 768px) {
  .business-layout {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  .business-icon-column {
    align-self: center;
  }
  .business-action {
    display: flex;
    justify-content: center;
  }
}

/* ==========================================================================
   Important Notice Section
   ========================================================================== */
.notice-card {
  display: flex;
  gap: 2rem;
  background-color: #fffaf3;
  border: 1.5px solid var(--color-accent);
  border-left: 5px solid var(--color-accent);
  border-radius: var(--border-radius-lg);
  padding: 2rem 2.25rem;
  max-width: 900px;
  margin: 0 auto;
  align-items: flex-start;
}

.notice-icon-col {
  flex-shrink: 0;
  padding-top: 0.2rem;
}

.notice-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-accent-light);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-dark);
}

.notice-exclamation {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-accent-dark);
}

.notice-content-col {
  flex-grow: 1;
}

.notice-card-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.notice-card-highlight {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-danger);
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.notice-card-text {
  font-size: 0.9rem;
  color: var(--color-text-dark);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

.notice-card-footer {
  display: flex;
  justify-content: flex-end;
}

.notice-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.5rem;
  background-color: var(--color-primary);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast);
}

.notice-link:hover {
  background-color: var(--color-primary-dark);
}

@media (max-width: 768px) {
  .notice-card {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    border-left-width: 4px;
  }
  .notice-card-footer {
    justify-content: flex-start;
  }
}

/* ==========================================================================
   Corporate Stance Section
   ========================================================================== */
.stance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  max-width: 1000px;
  margin: 0 auto;
}

.stance-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem 1.25rem 1.75rem;
  text-align: center;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.stance-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 24px rgba(13, 45, 94, 0.08);
  transform: translateY(-2px);
}

.stance-icon-container {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.stance-svg-icon {
  width: 30px;
  height: 30px;
}

.stance-card-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.stance-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 992px) {
  .stance-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .stance-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Company Profile Table
   ========================================================================== */
.profile-table-wrapper {
  max-width: 850px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

.profile-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.profile-table th,
.profile-table td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.profile-table tr:last-child th,
.profile-table tr:last-child td { border-bottom: none; }

.profile-table th {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  font-weight: 700;
  width: 25%;
  min-width: 140px;
  vertical-align: middle;
  border-right: 1px solid var(--color-border);
}

.profile-table td {
  background-color: white;
  color: var(--color-text-muted);
}

@media (max-width: 600px) {
  .profile-table th,
  .profile-table td { display: block; width: 100%; }
  .profile-table th { border-right: none; border-bottom: none; padding-bottom: 0.5rem; }
  .profile-table td { padding-top: 0.5rem; }
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
  background-color: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 992px) {
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.concept-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.85;
}

.contact-details {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: left;
}

.detail-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.detail-icon { font-size: 1.3rem; flex-shrink: 0; }

.detail-item strong {
  display: block;
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: 0.2rem;
}

.detail-item p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.contact-form-container {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.03);
}

@media (max-width: 480px) {
  .contact-form-container { padding: 1.75rem 1.25rem; }
}

.form-group { margin-bottom: 1.4rem; text-align: left; }

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.45rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius);
  background-color: #fafbfc;
  border: 1px solid var(--color-border);
  color: var(--color-text-dark);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  background-color: white;
}

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 120px; }

.form-status {
  margin-top: 1rem;
  padding: 0.9rem;
  border-radius: var(--border-radius);
  font-size: 0.88rem;
  display: none;
  font-weight: 600;
  text-align: center;
}

.form-status.success {
  display: block;
  background-color: #eafaf1;
  color: #1a7f4b;
  border: 1px solid rgba(26, 127, 75, 0.2);
}

.form-status.error {
  display: block;
  background-color: #fef2f2;
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.15);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background-color: var(--color-primary);
  color: white;
  padding: 4rem 0 0;
}

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

.footer-brand {
  max-width: 340px;
}

.footer-logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.footer-logo-img {
  height: 32px;
  width: auto;
  display: block;
  border-radius: var(--border-radius);
  background-color: white;
  padding: 2px;
}

.footer-brand-title {
  font-weight: 700;
  font-size: 1rem;
  color: white;
}

.footer-desc {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

/* Footer nav columns */
.footer-nav-cols {
  display: flex;
  gap: 3rem;
}

.footer-nav-col {
  min-width: 100px;
}

.footer-nav-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav-list a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.footer-nav-list a:hover { color: white; }

/* Footer bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover { color: white; }

.copyright {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
}

.back-to-top {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.12);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
  flex-shrink: 0;
}

.back-to-top:hover { background-color: var(--color-accent); }

@media (max-width: 768px) {
  .footer-top {
    flex-direction: column;
    gap: 2rem;
  }
  .footer-brand { max-width: 100%; }
  .footer-nav-cols { gap: 2rem; flex-wrap: wrap; }

  .footer-bottom {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    text-align: center;
  }
  .footer-bottom-links { justify-content: center; }
}

/* ==========================================================================
   Reveal animation
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}