/* =========================================
   Aster - クロコダイル物販事業ページ
   既存サイト (aster-corp.co.jp) のトンマナに準拠
   ========================================= */

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

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

body {
  font-family: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  font-size: 1.5rem;
  line-height: 1.8;
  color: #333;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity .25s;
}

a:hover {
  opacity: .7;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

.sp-only {
  display: none;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #0A0A0A;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

:root {
  --header-h: 80px;
  --color-gold: #af8600;
  --color-gold-dark: rgba(131, 101, 0, 1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 3rem;
  height: var(--header-h);
}

.logo {
  display: block;
  line-height: 0;
  flex-shrink: 0;
}

.logo img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

/* --- Global Nav --- */
.global-nav { display: block; }

.gnav {
  list-style: none;
  display: flex;
  align-items: stretch;
  height: var(--header-h);
  gap: 0;
}

.gnav-item {
  position: relative;
  display: flex;
  align-items: stretch;
}

.gnav-item > a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .3rem;
  padding: 0 1.4rem;
  color: #fff;
  position: relative;
  transition: color .25s;
  white-space: nowrap;
}

.gnav-item > a:hover { opacity: 1; color: var(--color-gold); }

.gnav-item > a .ttl { font-size: 1.4rem; font-weight: 600; letter-spacing: .05em; line-height: 1; }
.gnav-item > a .desc { font-size: 1rem; font-weight: 400; letter-spacing: .12em; color: rgba(255,255,255,.5); line-height: 1; }
.gnav-item > a:hover .desc { color: var(--color-gold); }

.gnav-item > a::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 14px;
  width: calc(100% - 2.8rem); height: 2px;
  background: var(--color-gold);
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform .3s ease;
}
.gnav-item:hover > a::after,
.gnav-item.-current > a::after { transform: translateX(-50%) scaleX(1); }

.gnav-item.-cta > a { background: var(--color-gold); color: #fff; margin-left: 1rem; padding: 0 2rem; }
.gnav-item.-cta > a .desc { color: rgba(255,255,255,.85); }
.gnav-item.-cta > a::after { display: none; }
.gnav-item.-cta > a:hover { background: var(--color-gold-dark); color: #fff; }

/* --- Submenu --- */
.gnav-item .sub-menu {
  list-style: none; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(4px); min-width: 240px;
  background: #fff; color: #333; padding: .6rem 0;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s, transform .25s; z-index: 10;
}
.gnav-item.has-sub:hover .sub-menu,
.gnav-item.has-sub:focus-within .sub-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.gnav-item .sub-menu li { display: block; }
.gnav-item .sub-menu a { display: block; padding: .9rem 1.6rem; font-size: 1.3rem; color: #333; transition: background .2s, color .2s, padding .2s; white-space: nowrap; }
.gnav-item .sub-menu a:hover { background: #f7f4ea; color: var(--color-gold); opacity: 1; padding-left: 2rem; }
.gnav-item .sub-menu li[aria-current="page"] a { color: var(--color-gold); font-weight: 600; background: #faf6ea; }

/* --- Hamburger（SPのみ） --- */
.nav-toggle { display: none; background: transparent; border: 0; width: 44px; height: 44px; padding: 0; cursor: pointer; position: relative; }
.nav-toggle-bar { display: block; width: 24px; height: 2px; background: #fff; margin: 6px auto; transition: transform .3s, opacity .2s; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* --- Hero（背景にオーロラ画像＋トンマナ用オーバーレイ） --- */
.hero {
  position: relative;
  height: 420px;
  margin-top: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    url('オーロラ現象-scaled.jpg') center center / cover no-repeat fixed;
  overflow: hidden;
  z-index: 0;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, .35) 40%, rgba(0, 0, 0, .6) 100%),
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(170, 142, 0, .16) 0%, transparent 55%),
    radial-gradient(ellipse 60% 80% at 80% 60%, rgba(170, 142, 0, .1) 0%, transparent 55%);
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  color: #fff;
}

.hero-label {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .6);
  padding: 0 5%;
}

.hero-title {
  font-size: 3.6rem;
  font-weight: 700;
  padding: 0 5%;
  letter-spacing: .12em;
}

/* FV内：左寄せ・ゴールド */
.hero--with-about .hero-content {
  text-align: left; 
}

.hero--with-about .hero-label {
  color: #af8600;
}

.hero--with-about .hero-title {
  color: #fff;
}


/* --- Sections Common --- */
.section {
  padding: 8rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 6rem;
}

.section-en {
  font-size: 1.4rem;
  font-weight: bold;
  letter-spacing: .1em;
  color: #af8600;
  margin-bottom: .6rem;
}

.section-title {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: #af8600;
}

/* 事業の特徴・強み 見出しだけ個別指定（要素側に class=\"strengs\" 付与済み） */
.section-title.strengs {
  color: #1a1a2e;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: #af8600;
  margin: 1.6rem auto 0;
}

/* --- Hero with about-body (FV) ※コンテンツ販売・卸事業ページと同様 --- */
.hero--with-about {
  min-height: 0;
  height: 100%;
  padding: 8rem 0 8rem;
  align-items: flex-start;
  box-sizing: border-box;
}

.hero--with-about .hero-content {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  box-sizing: border-box;
}

.hero--with-about .container {
  margin-top: 3rem;
  width: 100%;
  max-width: 1100px;
  padding: 0 5%;
}

/* コンテンツ頁と同じ：コンテナ幅の白ブロックで説明＋画像 */
.hero .about-body--fv {
  position: relative;
  z-index: 1;
  text-align: left;
  background: #fff;
  width: 100%;
  margin-left: 0;
  margin-right: 0;
  padding: 4rem 3rem;
  box-sizing: border-box;
}

.hero .about-body--fv .about-catch {
  color: #af8600;
  margin-bottom: 2rem;
}

.hero .about-body--fv .about-desc {
  color: #555;
}

.hero .about-body--fv .image-placeholder {
  background: linear-gradient(135deg, #e8e0d4, #d4c9b8);
  color: #999;
}

/* --- About（FVに統合したためセクションはなし） --- */
.section-about {
  background: #fff;
}

.about-body {
  display: flex;
  gap: 5rem;
  align-items: center;
}

.about-text {
  flex: 1;
}

.about-catch {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.6;
  color: #1a1a2e;
  margin-bottom: 2.4rem;
  letter-spacing: .04em;
}

.about-desc {
  font-size: 1.5rem;
  line-height: 2;
  color: #555;
}

.about-image {
  flex: 0 0 400px;
}

.about-image img {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
  object-position: center 65%;
  aspect-ratio: 4 / 2.5;
  filter: saturate(.85) contrast(1.08);
  transition: filter .4s ease;
}

.about-image img:hover {
  filter: saturate(1) contrast(1.12);
}

.image-placeholder {
  background: linear-gradient(135deg, #e8e0d4, #d4c9b8);
  border-radius: 8px;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-family: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  font-size: 1.4rem;
  letter-spacing: .1em;
}

/* --- Strength --- */
.section-strength {
  position: relative;
  z-index: 0;
  background: #f9f8f6;
}

/* コンテンツ頁と同様：強みは2列 */
.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.2rem;
}

.strength-card {
  background: #fff;
  border-radius: 12px;
  padding: 4rem 3rem;
  text-align: center;
  box-shadow: 0 2px 20px rgba(0, 0, 0, .04);
  transition: transform .3s, box-shadow .3s;
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, .08);
}

.strength-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 2.4rem;
  color: #af8600;
}

.strength-title {
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.6;
  color: #1a1a2e;
  margin-bottom: 1.2rem;
}

.strength-subtitle {
  font-size: 1.3rem;
  font-weight: 500;
  color: #af8600;
  margin-bottom: 2rem;
}

.strength-text {
  font-size: 1.4rem;
  line-height: 1.9;
  color: #666;
  text-align: left;
}

/* --- Products --- */
.section-products {
  background: #fff;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3.2rem;
}

.product-card {
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 16px rgba(0, 0, 0, .05);
  transition: transform .3s, box-shadow .3s;
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .1);
}

.product-image .image-placeholder {
  aspect-ratio: 16 / 10;
  border-radius: 0;
}

.product-image {
  overflow: hidden;
}

.product-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center center;
  transform-origin: center center;
  transform: scale(1);
  transition: transform .5s ease, filter .5s ease;
  filter: saturate(.9) contrast(1.05);
}

.product-card:hover .product-image img {
  filter: saturate(1) contrast(1.08);
}

/* ハンドバッグ */
.product-card:nth-child(1) .product-image img {
  transform: scale(1.05);
  object-position: center 40%;
}
.product-card:nth-child(1):hover .product-image img {
  transform: scale(1.09);
}

/* ボストンバッグ */
.product-card:nth-child(2) .product-image img {
  transform: scale(1.05);
  object-position: center 38%;
}
.product-card:nth-child(2):hover .product-image img {
  transform: scale(1.00);
}

/* 財布：白背景の余白が大きいため少し拡大 */
.product-card:nth-child(3) .product-image img {
  transform: scale(1.15);
  object-position: center 45%;
}
.product-card:nth-child(3):hover .product-image img {
  transform: scale(1.19);
}

/* ポシェット（基準） */
.product-card:nth-child(4) .product-image img {
  transform: scale(1.05);
  object-position: center 40%;
}
.product-card:nth-child(4):hover .product-image img {
  transform: scale(1.09);
}

.product-body {
  padding: 2.4rem 2.8rem 2.8rem;
}

.product-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: .8rem;
}

.product-desc {
  font-size: 1.4rem;
  color: #666;
  line-height: 1.8;
}

/* --- CTA (TikTok Shop) ※オーロラ背景を固定表示 --- */
.section-cta {
  position: relative;
  padding: 8rem 0;
  background:
    url('オーロラ現象-scaled.jpg') center center / cover no-repeat fixed;
  overflow: hidden;
}

.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(150deg, rgba(0, 0, 0, .7) 0%, rgba(0, 0, 0, .55) 40%, rgba(0, 0, 0, .8) 100%);
  pointer-events: none;
}

.cta-box {
  position: relative;
  text-align: center;
  color: #fff;
}

.cta-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .6);
  margin-bottom: .8rem;
}

.cta-title {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: .06em;
  margin-bottom: 1.6rem;
}

.cta-text {
  font-size: 1.5rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 3.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: .06em;
  padding: 1.4rem 3.6rem;
  border-radius: 6px;
  transition: all .3s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #fff;
  color: #1a1a2e;
}

.btn-primary:hover {
  background: #aa8e00;
  color: #fff;
  opacity: 1;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

.btn-outline {
  background: transparent;
  color: #1a1a2e;
  border: 2px solid #1a1a2e;
}

.btn-outline:hover {
  background: #1a1a2e;
  color: #fff;
  opacity: 1;
}

/* --- Contact --- */
.section-contact {
  padding: 8rem 0;
  background: #f9f8f6;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.2rem;
  justify-items: center;
}

.contact-block {
  background: #fff;
  border-radius: 12px;
  padding: 4rem;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .04);
  width: 100%;
  max-width: 640px;
}

.contact-label {
  display: block;
  width: 100%;
  font-size: 1.8rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 1.2rem;
}

.contact-en {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  font-weight: bold;
  color: #af8600;
  letter-spacing: .1em;
  margin-top: .4rem;
}

.contact-text {
  font-size: 1.4rem;
  color: #666;
  margin-bottom: 2.4rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 1.6rem 0;
  border-top: 1px solid #eee;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: .8rem;
  list-style: none;
  font-size: 1.2rem;
  color: #999;
}

.breadcrumb-list li + li::before {
  content: '>';
  margin-right: .8rem;
  color: #ccc;
}

.breadcrumb-list a {
  color: #666;
}

.breadcrumb-list a:hover {
  color: #af8600;
}

/* --- Footer（背景にオーロラ画像＋パターン） --- */
.site-footer {
  position: relative;
  background: #000;
  color: #fff;
  padding: 5rem 0 3rem;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, .7) 0%, rgba(0, 0, 0, .85) 40%, rgba(0, 0, 0, .95) 100%),
    url('オーロラ現象-scaled.jpg') center bottom / cover no-repeat fixed,
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 400"><defs><pattern id="fp" width="32" height="32" patternUnits="userSpaceOnUse"><path d="M0 16h32M16 0v32" stroke="rgba(255,255,255,0.03)" fill="none"/></pattern></defs><rect fill="url(%23fp)" width="400" height="400"/></svg>');
  pointer-events: none;
}

.site-footer .container {
  position: relative;
  z-index: 1;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 2.4rem;
  line-height: 0;
}

.footer-logo img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.footer-inner {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-company {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.footer-address,
.footer-tel {
  font-size: 1.3rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .7);
  margin-bottom: .8rem;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.footer-nav a {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, .7);
}

.footer-nav a:hover {
  color: #af8600;
  opacity: 1;
}

.footer-copy {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, .4);
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, .1);
}

/* =========================================
   Responsive
   ========================================= */

/* --- Responsive: Nav → Hamburger (960px) --- */
@media (max-width: 1200px) {
  .gnav-item > a { padding: 0 1rem; }
  .gnav-item > a .ttl { font-size: 1.3rem; }
  .gnav-item > a .desc { font-size: .95rem; }
  .gnav-item.-cta > a { padding: 0 1.6rem; }
}

@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .header-inner { padding: 0 1.6rem; }
  .nav-toggle { display: block; }
  .global-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: #0A0A0A; overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .3s, transform .3s, visibility .3s;
  }
  .global-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .gnav { flex-direction: column; height: auto; padding: 1rem 0 3rem; }
  .gnav-item { display: block; border-bottom: 1px solid rgba(255,255,255,.08); }
  .gnav-item > a { flex-direction: row; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.4rem 2rem; }
  .gnav-item > a .ttl { font-size: 1.5rem; }
  .gnav-item > a .desc { font-size: 1.1rem; }
  .gnav-item > a::after { display: none; }
  .gnav-item .sub-menu {
    position: static; transform: none; opacity: 1; visibility: visible;
    background: rgba(255,255,255,.04); color: #fff; box-shadow: none; padding: .4rem 0; min-width: 0;
  }
  .gnav-item .sub-menu a { color: rgba(255,255,255,.85); padding: 1rem 3.2rem; font-size: 1.3rem; }
  .gnav-item .sub-menu a:hover { background: rgba(175,134,0,.12); color: var(--color-gold); padding-left: 3.6rem; }
  .gnav-item .sub-menu li[aria-current="page"] a { background: rgba(175,134,0,.12); }
  .gnav-item.-cta > a { margin-left: 0; background: var(--color-gold); }
}

@media (max-width: 768px) {
  .sp-only {
    display: inline;
  }

  .hero {
    height: 300px;
  }

  /* FV（about-body--fv）が section-strength に隠れないよう高さを内容に合わせる */
  .hero.hero--with-about {
    height: auto;
    min-height: 0;
    padding: 4rem 0 3rem;
  }

  .hero .about-body--fv {
    flex-direction: column-reverse;
    gap: 3rem;
    padding: 3rem 1.5rem;
  }

  .hero .about-body--fv .about-image {
    flex: none;
    width: 100%;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .section {
    padding: 6rem 0;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .about-body {
    flex-direction: column;
    gap: 3rem;
  }
  .about-image {
    flex: none;
    width: 100%;
  }

  .about-catch {
    font-size: 1.8rem;
  }

  .strength-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .strength-card {
    padding: 3rem 2.4rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 3rem;
  }
}

@media (max-width: 480px) {
  .hero {
    height: 240px;
  }

  .hero--with-about {
    min-height: 240px;
    height: auto;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-label {
    font-size: 1.2rem;
  }

  .section-header {
    margin-bottom: 4rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}