/* ============================================================
   AS観光国際株式会社 - メインスタイルシート
   style.css
   ============================================================ */

/* ===== CSS変数 ===== */
:root {
  --black: #0a0a0a;
  --deep: #111111;
  --charcoal: #1c1c1c;
  --gold: #c9a84c;
  --gold-light: #e2c97e;
  --gold-pale: #f5e6b8;
  --cream: #f8f4ec;
  --white: #ffffff;
  --gray: #888888;
  --gray-light: #cccccc;
}

/* ===== リセット・ベース ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--cream);
  font-family: 'Noto Serif JP', serif;
  overflow-x: hidden;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 24px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to bottom, rgba(10,10,10,0.95), transparent);
  transition: background 0.4s ease;
}

header.scrolled {
  background: rgba(10,10,10,0.97);
  padding: 18px 60px;
}

.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  text-decoration: none;
}

.logo span {
  color: var(--cream);
}

nav {
  display: flex;
  gap: 40px;
  align-items: center;
}

nav a {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gray-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

nav a:hover {
  color: var(--gold);
}

.nav-cta {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--black) !important;
  background: var(--gold);
  padding: 10px 24px;
  text-decoration: none;
  transition: background 0.3s ease !important;
}

.nav-cta:hover {
  background: var(--gold-light) !important;
  color: var(--black) !important;
}

/* ===== HERO ===== */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10,10,10,0.75) 0%, rgba(10,10,10,0.3) 60%, rgba(10,10,10,0.7) 100%),
    url('image/al.jpg') center/60% no-repeat;
  animation: heroZoom 12s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.04); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,10,10,0.85) 0%, rgba(10,10,10,0.2) 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 60px;
  max-width: 800px;
  animation: fadeInUp 1.2s ease both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-label {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-label::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(52px, 7vw, 90px);
  font-weight: 300;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.hero h1 em {
  font-style: italic;
  color: var(--gold-light);
}

.hero-sub {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px;
  font-weight: 300;
  color: var(--gray-light);
  line-height: 2;
  margin: 28px 0 48px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--gold);
  padding: 16px 40px;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

.btn-secondary {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: color 0.3s ease;
}

.btn-secondary:hover {
  color: var(--gold);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  animation: bounce 2s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

.hero-scroll span {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 9px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gray);
}

.hero-scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
}

/* ===== FEATURE STRIP ===== */
.feature-strip {
  background: var(--charcoal);
  border-top: 1px solid rgba(201,168,76,0.2);
  border-bottom: 1px solid rgba(201,168,76,0.2);
  padding: 28px 60px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.feature-icon {
  font-size: 20px;
  color: var(--gold);
}

.feature-text strong {
  display: block;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
}

.feature-text span {
  font-family: 'Noto Serif JP', serif;
  font-size: 11px;
  color: var(--gray);
}

.feature-divider {
  width: 1px;
  height: 36px;
  background: rgba(201,168,76,0.25);
}

/* ===== SERVICES ===== */
.services {
  padding: 120px 60px;
  background: var(--deep);
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-label {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 300;
  color: var(--white);
  line-height: 1.2;
}

.section-title em {
  font-style: italic;
  color: var(--gold-light);
}

.section-divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 24px auto 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
  cursor: pointer;
}

.service-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s ease;
  filter: brightness(0.5);
}

.service-card:hover .service-card-bg {
  transform: scale(1.06);
  filter: brightness(0.65);
}

.service-card-1 .service-card-bg {
  background-image: url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?w=600&q=80');
}

.service-card-2 .service-card-bg {
  background-image: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=600&q=80');
}

.service-card-3 .service-card-bg {
  background-image: url('https://images.unsplash.com/photo-1469854523086-cc02fe5d8800?w=600&q=80');
}

.service-card-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px 36px;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 60%);
}

.service-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 60px;
  font-weight: 300;
  color: rgba(201,168,76,0.15);
  line-height: 1;
  margin-bottom: 8px;
}

.service-card h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 12px;
  color: var(--gray-light);
  line-height: 1.9;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease;
}

.service-card:hover p {
  opacity: 1;
  transform: translateY(0);
}

.service-arrow {
  margin-top: 16px;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover .service-arrow {
  opacity: 1;
}

/* ===== WHY ===== */
.why {
  padding: 120px 60px;
  background: var(--black);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1400px;
  margin: 0 auto;
  align-items: center;
}

.why-image {
  position: relative;
}

.why-image-main {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: brightness(0.85);
}

.why-image-accent {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 55%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 4px solid var(--black);
  filter: brightness(0.85);
}

.why-badge {
  position: absolute;
  top: 40px;
  left: -20px;
  background: var(--gold);
  color: var(--black);
  padding: 16px 20px;
  text-align: center;
}

.why-badge strong {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
}

.why-badge span {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.why-content .section-label {
  text-align: left;
}

.why-content .section-title {
  text-align: left;
  margin-bottom: 32px;
}

.why-content .section-divider {
  margin: 0 0 40px;
}

.why-lead {
  font-size: 14px;
  line-height: 2.2;
  color: var(--gray-light);
  margin-bottom: 48px;
}

.why-points {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.why-point {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.why-point-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.5;
}

.why-point h4 {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 6px;
}

.why-point p {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.9;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 100px 60px;
  background: var(--charcoal);
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 60px auto 0;
}

.testimonial-card {
  padding: 40px 32px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(201,168,76,0.15);
  text-align: left;
  transition: border-color 0.3s ease;
}

.testimonial-card:hover {
  border-color: rgba(201,168,76,0.4);
}

.testimonial-stars {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.testimonial-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-weight: 300;
  font-style: italic;
  color: var(--cream);
  line-height: 1.8;
  margin-bottom: 24px;
}

.testimonial-author strong {
  display: block;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.testimonial-author span {
  font-size: 11px;
  color: var(--gray);
}

/* ===== PRESIDENT MESSAGE ===== */
.president {
  padding: 140px 60px;
  background: var(--deep);
  position: relative;
  overflow: hidden;
}

.president::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(201,168,76,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.president-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 100px;
  align-items: center;
}

.president-left {
  position: relative;
}

.president-photo-wrap {
  position: relative;
  display: inline-block;
  width: 100%;
}

.president-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
  filter: brightness(0.9) grayscale(20%);
  display: block;
}

.president-photo-frame {
  position: absolute;
  top: -16px;
  left: -16px;
  right: 16px;
  bottom: 16px;
  border: 1px solid rgba(201,168,76,0.3);
  pointer-events: none;
  z-index: 0;
}

.president-photo-wrap img {
  position: relative;
  z-index: 1;
}

.president-name-badge {
  position: absolute;
  bottom: -24px;
  right: -20px;
  background: var(--gold);
  padding: 20px 28px;
  z-index: 2;
}

.president-name-badge strong {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--black);
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.president-name-badge span {
  display: block;
  font-family: 'Josefin Sans', sans-serif;
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.6);
  margin-top: 4px;
}

.president-right {
  padding-top: 20px;
}

.president-right .section-label {
  text-align: left;
}

.president-right .section-title {
  text-align: left;
  margin-bottom: 16px;
}

.president-right .section-divider {
  margin: 0 0 40px;
}

.president-quote {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 300;
  font-style: italic;
  color: var(--gold-light);
  line-height: 1.7;
  margin-bottom: 36px;
  padding-left: 24px;
  border-left: 2px solid var(--gold);
}

.president-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.president-body p {
  font-size: 14px;
  color: var(--gray-light);
  line-height: 2.2;
}

.president-sig {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid rgba(201,168,76,0.2);
  display: flex;
  align-items: center;
  gap: 24px;
}

.president-sig-line {
  width: 40px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}

.president-sig-text strong {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--cream);
  letter-spacing: 0.08em;
}

.president-sig-text span {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ===== CTA ===== */
.cta-section {
  padding: 140px 60px;
  background: var(--deep);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: 'AS観光国際';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Cormorant Garamond', serif;
  font-size: 20vw;
  font-weight: 300;
  color: rgba(201,168,76,0.03);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: 0.1em;
}

.cta-section .section-title {
  font-size: clamp(40px, 5vw, 70px);
  margin-bottom: 24px;
}

.cta-section p {
  font-size: 14px;
  color: var(--gray);
  line-height: 2;
  max-width: 500px;
  margin: 0 auto 52px;
}

.cta-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn-large {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--gold);
  padding: 20px 52px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-large:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

.btn-outline {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cream);
  background: transparent;
  border: 1px solid rgba(201,168,76,0.4);
  padding: 20px 52px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ===== FOOTER ===== */
footer {
  background: #070707;
  border-top: 1px solid rgba(201,168,76,0.15);
  padding: 60px 60px 36px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  display: block;
  margin-bottom: 20px;
  font-size: 20px;
}

.footer-brand p {
  font-size: 12px;
  color: var(--gray);
  line-height: 2;
  max-width: 280px;
}

.footer-col h5 {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 12px;
  color: var(--gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-col ul li a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-family: 'Josefin Sans', sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gray);
}

/* ===== レスポンシブ ===== */
@media (max-width: 900px) {
  header { padding: 20px 24px; }
  nav { display: none; }
  .hero-content { padding: 0 24px; }
  .feature-strip { padding: 20px 24px; gap: 10px; }
  .feature-divider { display: none; }
  .services { padding: 80px 24px; }
  .services-grid { grid-template-columns: 1fr; gap: 2px; }
  .service-card { aspect-ratio: 3/2; }
  .why { grid-template-columns: 1fr; padding: 80px 24px; gap: 40px; }
  .why-image-accent { display: none; }
  .testimonials { padding: 80px 24px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 100px 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  footer { padding: 48px 24px 28px; }
  .president { padding: 80px 24px; }
  .president-inner { grid-template-columns: 1fr; gap: 60px; }
  .president-photo-wrap { max-width: 320px; }
  .president-name-badge { right: 0; }
}