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

:root {
  --navy: #1a2332;
  --navy-light: #2c3e5a;
  --gold: #c9a84c;
  --gold-light: #ddc175;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f0f1f3;
  --gray-300: #ccc;
  --gray-500: #888;
  --gray-700: #444;
  --text: #2c3e50;
  --font: "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.8;
  background: var(--white);
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.pc-only { display: inline; }

@media (max-width: 768px) {
  .pc-only { display: none; }
}

/* ==================== HEADER ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 35, 50, 0.95);
  backdrop-filter: blur(10px);
  transition: background 0.3s;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.logo-main {
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 3px;
}

.logo-sub {
  color: var(--gold);
  font-size: 9px;
  letter-spacing: 2px;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav-link {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  transition: color 0.3s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s;
}

.nav-link:hover {
  color: var(--white);
}

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

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  position: absolute;
  left: 0;
  transition: all 0.3s;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 9px; }
.hamburger span:nth-child(3) { top: 18px; }

.hamburger.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--navy);
    flex-direction: column;
    padding: 100px 40px;
    gap: 24px;
    transition: right 0.3s;
  }
  .nav.open { right: 0; }
  .nav-link { font-size: 15px; }
}

/* ==================== HERO ==================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  background-image: url('../img/honsha.jpg');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border: 1px solid rgba(201,168,76,0.08);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -300px;
  left: -200px;
  width: 800px;
  height: 800px;
  border: 1px solid rgba(255,255,255,0.03);
  border-radius: 50%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 35, 50, 0.7);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
}

.hero-sub {
  font-size: 12px;
  letter-spacing: 6px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: 4px;
  margin-bottom: 28px;
}

.hero-accent {
  width: 60px;
  height: 3px;
  background: var(--gold);
  margin: 0 auto 28px;
}

.hero-desc {
  font-size: 14px;
  line-height: 2;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
}

.hero-btn {
  display: inline-block;
  padding: 14px 48px;
  border: 1px solid var(--gold);
  color: var(--gold);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 2px;
  transition: all 0.3s;
}

.hero-btn:hover {
  background: var(--gold);
  color: var(--navy);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.hero-scroll span {
  font-size: 10px;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.3);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(201,168,76,0.6), transparent);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* ==================== NUMBERS ==================== */
.numbers {
  background: var(--navy);
  padding: 60px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}

.number-item {
  color: var(--white);
}

.number-value {
  font-size: 48px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}

.number-unit {
  font-size: 16px;
  color: var(--gold-light);
  margin-left: 4px;
}

.number-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .numbers { padding: 40px 0; }
  .number-value { font-size: 36px; }
}

/* ==================== SECTION COMMON ==================== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-en {
  display: block;
  font-size: 11px;
  letter-spacing: 6px;
  color: var(--gold);
  margin-bottom: 8px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--navy);
}

.section-line {
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin: 16px auto 0;
}

.section-header.light .section-title {
  color: var(--white);
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .section-header { margin-bottom: 40px; }
  .section-title { font-size: 22px; }
}

/* ==================== GREETING ==================== */
.greeting {
  background: var(--white);
}

.greeting-content {
  max-width: 700px;
  margin: 0 auto;
}

.greeting-text p {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 2.2;
  margin-bottom: 20px;
}

.greeting-sign {
  text-align: right;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-100);
}

.greeting-position {
  display: block;
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: 2px;
  margin-bottom: 4px;
}

.greeting-name {
  display: block;
  font-size: 28px;
  font-family: "Zen Antique", serif;
  font-weight: 400;
  color: var(--navy);
  letter-spacing: 6px;
}

/* ==================== ABOUT ==================== */
.about {
  background: var(--gray-50);
}

.about-lead {
  text-align: center;
  font-size: 15px;
  color: var(--gray-700);
  margin-bottom: 48px;
  line-height: 2;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  padding: 40px 28px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 20px rgba(0,0,0,0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.service-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  color: var(--gold);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.service-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.8;
}

@media (max-width: 768px) {
  .service-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card { padding: 32px 24px; }
}

/* ==================== WORKS ==================== */
.works {
  background: var(--white);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.work-card {
  background: var(--gray-50);
  border-radius: 8px;
  padding: 20px;
  border-left: 4px solid var(--gold);
  transition: transform 0.3s, box-shadow 0.3s;
}

.work-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.work-company {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.work-project {
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
}

.work-project:last-child {
  border-bottom: none;
}

.work-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
}

.work-detail {
  font-size: 11px;
  color: var(--gray-500);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .works-grid { grid-template-columns: 1fr; }
}

/* Other Works */
.other-works {
  background: var(--gray-50);
  border-radius: 8px;
  padding: 32px;
}

.other-works-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.other-works-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.other-work-item {
  font-size: 13px;
  color: var(--gray-700);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: baseline;
}

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

.other-num {
  display: inline-block;
  min-width: 28px;
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  margin-right: 12px;
  flex-shrink: 0;
}

/* ==================== COMPANY ==================== */
.company {
  background: var(--gray-50);
}

.company-table-wrap {
  max-width: 800px;
  margin: 0 auto 48px;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--gray-100);
}

.company-table th {
  width: 160px;
  padding: 16px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  text-align: left;
  vertical-align: top;
  letter-spacing: 1px;
}

.company-table td {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--gray-700);
}

.map-wrap {
  max-width: 800px;
  margin: 0 auto;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.map-wrap iframe {
  display: block;
}

@media (max-width: 768px) {
  .company-table th {
    display: block;
    width: 100%;
    padding: 12px 0 4px;
  }
  .company-table td {
    display: block;
    padding: 0 0 12px;
  }
}

/* ==================== RECRUIT BANNER ==================== */
.recruit-banner {
  background: var(--navy);
  text-align: center;
}

.recruit-banner-text {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 2.2;
  margin-bottom: 32px;
}

.recruit-banner-btn {
  display: inline-block;
  padding: 16px 56px;
  border: 1px solid var(--gold);
  color: var(--gold);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  transition: all 0.3s;
}

.recruit-banner-btn:hover {
  background: var(--gold);
  color: var(--navy);
}

/* ==================== RECRUIT PAGE ==================== */
.recruit-page {
  padding: 120px 0 80px;
  min-height: 100vh;
}

.recruit-page-lead {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.recruit-page-lead p {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 2.2;
}

.recruit-table-wrap {
  max-width: 800px;
  margin: 0 auto 48px;
}

.recruit-table {
  width: 100%;
  border-collapse: collapse;
}

.recruit-table tr {
  border-bottom: 1px solid var(--gray-100);
}

.recruit-table th {
  width: 160px;
  padding: 16px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  text-align: left;
  vertical-align: top;
  letter-spacing: 1px;
  background: var(--gray-50);
}

.recruit-table td {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.8;
}

.recruit-note {
  font-size: 12px;
  color: var(--gray-500);
}

@media (max-width: 768px) {
  .recruit-table th {
    display: block;
    width: 100%;
    padding: 12px 16px 4px;
  }
  .recruit-table td {
    display: block;
    padding: 4px 16px 12px;
  }
}

.recruit-persona {
  max-width: 800px;
  margin: 0 auto 48px;
  background: var(--gray-50);
  border-radius: 8px;
  padding: 32px 36px;
  border-left: 4px solid var(--gold);
}

.recruit-persona-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.recruit-persona-list {
  list-style: none;
}

.recruit-persona-list li {
  font-size: 14px;
  color: var(--gray-700);
  line-height: 2;
  padding-left: 20px;
  position: relative;
}

.recruit-persona-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.recruit-cta {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  background: var(--navy);
  border-radius: 8px;
}

.recruit-cta p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}

.recruit-cta-tel {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 900;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 8px;
  transition: color 0.3s;
}

.recruit-cta-tel:hover {
  color: var(--gold);
}

.recruit-cta-hours {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

/* ==================== CONTACT ==================== */
.contact {
  background: var(--navy);
  color: var(--white);
  text-align: center;
}

.contact-lead {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 32px;
}

.contact-tel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
}

.contact-tel-label {
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 4px 12px;
  border-radius: 3px;
}

.contact-tel-number {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 900;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 2px;
  transition: color 0.3s;
}

.contact-tel-number:hover {
  color: var(--gold);
}

.contact-hours {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

.contact-divider {
  width: 60px;
  height: 1px;
  background: rgba(255,255,255,0.15);
  margin: 40px auto;
}

/* Contact Form */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.form-required {
  font-size: 10px;
  color: var(--navy);
  background: var(--gold);
  padding: 1px 6px;
  border-radius: 2px;
  margin-left: 8px;
  font-weight: 700;
}

.form-optional {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 1px 6px;
  border-radius: 2px;
  margin-left: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  color: var(--white);
  font-size: 14px;
  font-family: var(--font);
  transition: border-color 0.3s, background 0.3s;
  outline: none;
}

.form-input::placeholder {
  color: rgba(255,255,255,0.25);
}

.form-input:focus {
  border-color: var(--gold);
  background: rgba(255,255,255,0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-btn {
  display: block;
  width: 100%;
  padding: 16px;
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font);
  letter-spacing: 2px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.3s;
  margin-top: 8px;
}

.form-btn:hover {
  background: var(--gold);
  color: var(--navy);
}

.form-agree {
  margin: 16px 0 8px;
  text-align: center;
}

.form-agree-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.form-agree-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--gold);
}

.form-agree-link {
  color: var(--gold);
  text-decoration: underline;
  transition: color 0.3s;
}

.form-agree-link:hover {
  color: var(--gold-light);
}

.form-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.form-message {
  text-align: center;
  margin-top: 16px;
  font-size: 14px;
  color: var(--gold);
  min-height: 20px;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* ==================== FOOTER ==================== */
.footer {
  background: #111820;
  padding: 40px 0 24px;
  color: rgba(255,255,255,0.4);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 24px;
}

.footer-logo-main {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 2px;
}

.footer-logo-sub {
  display: block;
  font-size: 9px;
  color: var(--gold);
  letter-spacing: 1px;
}

.footer-info p {
  font-size: 12px;
  line-height: 1.8;
  text-align: right;
}

.footer-copy {
  font-size: 11px;
  text-align: center;
}

.footer-privacy {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-privacy:hover {
  color: var(--gold);
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  .footer-info p { text-align: center; }
}

/* ==================== ANIMATIONS ==================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}