/* ===================================================
   MAEDA COSMETICS — 資生堂風 高級感デザイン
   =================================================== */

/* --- CSS Variables --- */
:root {
  --color-text: #45433E;
  --color-text-light: #6B6560;
  --color-bg: #FFFFFF;
  --color-bg-muted: #F1F1F1;
  --color-accent: #C80421;
  --color-accent-hover: #D0576A;
  --color-footer-bg: #3D3D3D;
  --color-footer-text: #FFFFFF;
  --color-border: #45433E;
  --color-border-light: #D5D3CE;
  --font-en: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-ja: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --max-width: 1110px;
  --header-height: 96px;
  --header-height-small: 64px;
  --section-padding: 90px;
  --transition-base: 0.4s cubic-bezier(0, 0, 0.25, 1);
}

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

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-ja);
  font-size: 1.4rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base), opacity var(--transition-base);
}

ul { list-style: none; }

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* --- Section --- */
.section {
  padding: var(--section-padding) 0;
}

.section-muted {
  background: var(--color-bg-muted);
}

/* --- Section Header (英語大 + 日本語小) --- */
.section-header {
  margin-bottom: 56px;
}

.section-title-en {
  font-family: var(--font-en);
  font-size: 3.4rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: 4px;
}

.section-title-ja {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ja);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 14px 32px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  min-width: 200px;
  justify-content: center;
}

.btn-outline:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn-outline-white {
  border-color: rgba(255,255,255,0.8);
  color: #fff;
  background: transparent;
}

.btn-outline-white:hover {
  background: #fff;
  color: var(--color-text);
}

.btn-filled {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.btn-filled:hover {
  opacity: 0.85;
}

.btn-sm {
  padding: 10px 24px;
  font-size: 1.2rem;
  min-width: auto;
}

/* ===== HEADER ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  transition: padding var(--transition-base), background var(--transition-base);
}

#header.scrolled {
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.header-wrap {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: var(--header-height);
  transition: height var(--transition-base);
}

#header.scrolled .header-wrap {
  height: var(--header-height-small);
}

.header-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-en);
  font-size: 2.2rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-text);
  transition: font-size var(--transition-base);
}

#header.scrolled .logo-text {
  font-size: 1.8rem;
}

/* Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 10001;
}

.menu-bar {
  display: block;
  width: 28px;
  height: 1.5px;
  background: var(--color-text);
  transition: all 0.3s ease;
}

.menu-toggle.active .menu-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .menu-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .menu-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.menu-toggle.active .menu-bar {
  background: #fff;
}

/* Fullscreen Nav */
.fullscreen-nav {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.fullscreen-nav.open {
  opacity: 1;
  visibility: visible;
}

.nav-list {
  text-align: center;
}

.nav-list li {
  margin-bottom: 32px;
}

.nav-link {
  font-family: var(--font-en);
  font-size: 3.2rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: #fff;
  opacity: 0.85;
  transition: opacity 0.3s;
}

.nav-link:hover {
  opacity: 1;
}

/* ===== HERO ===== */
.hero {
  width: 100%;
  height: 100vh;
  min-height: 600px;
  position: relative;
  margin-top: 0;
}

.hero-swiper {
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.15) 0%,
    rgba(0,0,0,0.45) 100%
  );
}

.hero-content {
  position: absolute;
  bottom: 120px;
  left: 80px;
  z-index: 10;
  color: #fff;
}

.hero-sub-en {
  font-family: var(--font-en);
  font-size: 1.6rem;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  opacity: 0.9;
}

.hero-title {
  font-family: var(--font-ja);
  font-size: 4.0rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 32px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

/* Hero Pagination */
.hero-pagination {
  position: absolute;
  bottom: 40px;
  right: 80px;
  z-index: 20;
  font-family: var(--font-en);
  font-size: 1.4rem;
  color: #fff;
  letter-spacing: 0.1em;
}

.hero-sep { margin: 0 4px; }

/* Hero Progress Bar */
.hero-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255,255,255,0.2);
  z-index: 20;
}

.hero-progress-bar {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 0.1s linear;
}

/* Hero Nav Arrows */
.hero-prev, .hero-next {
  color: #fff !important;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.hero-prev:hover, .hero-next:hover { opacity: 1; }

.hero-prev::after, .hero-next::after {
  font-size: 2.0rem !important;
}

/* ===== BRAND ===== */
.brand-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.brand-image {
  overflow: hidden;
  border-radius: 2px;
}

.brand-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/5;
  transition: transform 0.6s ease;
}

.brand-image:hover img {
  transform: scale(1.03);
}

.brand-heading {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.5;
}

.brand-desc {
  font-size: 1.4rem;
  line-height: 2.0;
  color: var(--color-text-light);
  margin-bottom: 40px;
}

/* ===== PRODUCTS ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 40px;
  margin-bottom: 48px;
}

.product-card {
  background: var(--color-bg);
  border-radius: 2px;
  overflow: hidden;
  transition: box-shadow 0.4s ease;
}

.product-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

.product-img-wrap {
  position: relative;
  padding-top: 100%;
  overflow: hidden;
}

.product-img-wrap img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.4s ease;
}

@media (hover: hover) {
  .product-card:hover .product-img-wrap img {
    opacity: 0.85;
  }
}

.product-info {
  padding: 24px;
}

.product-name {
  font-family: var(--font-en);
  font-size: 2.0rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.product-desc {
  font-size: 1.3rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.products-cta {
  text-align: center;
}

/* ===== GALLERY ===== */
.section-gallery {
  overflow: hidden;
}

.gallery-swiper {
  padding-left: 40px;
}

.gallery-slide {
  width: 360px;
  height: 360px;
  overflow: hidden;
  border-radius: 2px;
}

.gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.4s ease, transform 0.6s ease;
}

@media (hover: hover) {
  .gallery-slide:hover img {
    opacity: 0.85;
    transform: scale(1.03);
  }
}

/* ===== NEWS ===== */
.news-list {
  border-top: 1px solid var(--color-border-light);
}

.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.3s;
}

.news-item:hover {
  background: rgba(0,0,0,0.01);
}

.news-date {
  font-family: var(--font-en);
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
  flex-shrink: 0;
  width: 100px;
}

.news-tag {
  font-size: 1.0rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  flex-shrink: 0;
}

.news-title {
  font-size: 1.4rem;
  transition: color 0.3s;
}

@media (hover: hover) {
  .news-title:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
  }
}

/* ===== CTA ===== */
.section-cta {
  background: var(--color-text);
  color: #fff;
  padding: 80px 0;
}

.cta-inner {
  text-align: center;
}

.cta-en {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.cta-title {
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 1.3rem;
  opacity: 0.7;
  margin-bottom: 32px;
}

/* ===== SNS ===== */
.sns-links {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.sns-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light);
  transition: color 0.3s;
}

.sns-link span {
  font-family: var(--font-en);
  font-size: 1.2rem;
  letter-spacing: 0.06em;
}

.sns-link:hover {
  color: var(--color-accent);
}

/* ===== FOOTER ===== */
#footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 56px 0 32px;
  position: relative;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-en);
  font-size: 2.0rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin: 32px 0;
}

.footer-nav a {
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.footer-nav a:hover { opacity: 1; }

.footer-legal {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-legal a {
  font-size: 1.1rem;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.footer-legal a:hover { opacity: 0.8; }

.footer-copy {
  font-size: 1.0rem;
  opacity: 0.4;
}

/* Page Top Button */
.page-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--color-text);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.6rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 100;
}

.page-top.visible {
  opacity: 0.6;
  visibility: visible;
}

@media (hover: hover) {
  .page-top:hover { opacity: 1; }
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px;
    --header-height: 64px;
    --header-height-small: 56px;
  }

  .container { padding: 0 20px; }

  .section-title-en { font-size: 2.6rem; }
  .section-title-ja { font-size: 1.1rem; }

  .hero-content {
    bottom: 100px;
    left: 24px;
    right: 24px;
  }

  .hero-title { font-size: 2.8rem; }
  .hero-sub-en { font-size: 1.3rem; }
  .hero-pagination { right: 24px; bottom: 24px; }

  .brand-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .brand-heading { font-size: 2.0rem; }

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

  .gallery-slide {
    width: 280px;
    height: 280px;
  }

  .gallery-swiper { padding-left: 20px; }

  .news-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .news-date { width: auto; }

  .cta-en { font-size: 2.2rem; }

  .sns-links { gap: 32px; }

  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }

  .footer-legal {
    flex-direction: column;
    gap: 8px;
  }

  .nav-link { font-size: 2.4rem; }

  .logo-text { font-size: 1.8rem; }
  #header.scrolled .logo-text { font-size: 1.6rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .hero-content { bottom: 80px; }
  .btn { min-width: auto; width: 100%; }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}