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

:root {
  --color-bg: #f4f7f9;
  --color-text: #1e2d3d;
  --color-text-light: #7a8d9e;
  --color-border: #cdd8e0;
  --color-accent: #2c6e99;
  --color-ice: #c8dde8;
  --color-ice-dark: #8ab4cc;
  --color-dark: #1a2f42;
  --color-section-alt: #eaf1f5;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --header-height: 56px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.8;
  font-weight: 300;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ruby {
  ruby-align: center;
}
rt {
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
}

/* =============================================
   Side Menu
   ============================================= */
.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background: var(--color-dark);
  color: #fff;
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
  display: flex;
  flex-direction: column;
}

.side-menu.is-open {
  transform: translateX(0);
}

.side-menu__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.side-menu__overlay.is-visible {
  opacity: 1;
  pointer-events: all;
}

.side-menu__inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px 28px 32px;
}

.side-menu__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.side-menu__logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-menu__tagline-en {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.8;
}

.side-menu__tagline-ja {
  font-size: 11px;
  opacity: 0.6;
}

.side-menu__close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: flex-end;
}

.side-menu__close span {
  display: block;
  width: 20px;
  height: 1px;
  background: #fff;
  transition: transform 0.3s;
}

.side-menu__close span:first-child {
  transform: rotate(45deg) translate(4px, 4px);
}

.side-menu__close span:last-child {
  transform: rotate(-45deg) translate(4px, -4px);
}

.side-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
}

.side-menu__nav a {
  display: block;
  padding: 11px 0;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.08em;
  white-space: nowrap;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: opacity 0.2s;
}

.side-menu__nav a:hover {
  opacity: 0.6;
}

.side-menu__footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 32px;
  font-size: 10px;
  opacity: 0.5;
  letter-spacing: 0.1em;
}

/* =============================================
   Header
   ============================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  transition: background 0.3s;
}

.site-header.is-stuck {
  background: rgba(244, 247, 249, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header__menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.header__menu-btn span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-text);
  transition: background 0.3s;
}

.hero .site-header .header__menu-btn span,
.site-header.hero-visible .header__menu-btn span {
  background: #fff;
}

.header__line-btn {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  height: 42px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  border-radius: 2px;
  background: #06C755;
  color: #fff;
  border: 1px solid #06C755;
  transition: background 0.2s, opacity 0.2s;
  line-height: 1;
  white-space: nowrap;
}

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

.site-header.is-stuck .header__line-btn {
  background: #06C755;
  border-color: #06C755;
  color: #fff;
}

@media (min-width: 640px) {
  .header__line-btn {
    display: flex;
  }
}

.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__tel-btn {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 16px;
  min-width: 148px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 2px;
  color: #fff;
  background: transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  line-height: 1;
  height: 42px;
  white-space: nowrap;
}

.header__tel-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

.header__tel-num {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1;
}

.header__tel-sub {
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.08em;
  opacity: 0.7;
  line-height: 1;
}

.header__tel-btn:hover {
  background: rgba(255,255,255,0.15);
}

.header__tel-icon {
  display: flex;
  align-items: center;
}

/* お問い合わせボタン */
.header__contact-btn {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 7px 16px;
  min-width: 148px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  border-radius: 2px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  line-height: 1;
  height: 42px;
  white-space: nowrap;
}

.header__contact-btn:hover {
  background: rgba(255,255,255,0.3);
}

.site-header.is-stuck .header__contact-btn {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.site-header.is-stuck .header__contact-btn:hover {
  background: var(--color-dark);
  border-color: var(--color-dark);
}

@media (min-width: 640px) {
  .header__contact-btn {
    display: flex;
  }
}

/* スクロール後（ヘッダーが白背景になったとき）の切り替え */
.site-header.is-stuck .header__tel-btn {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.site-header.is-stuck .header__tel-btn:hover {
  background: var(--color-accent);
  color: #fff;
}

@media (min-width: 480px) {
  .header__tel-btn {
    display: flex;
  }
}

/* =============================================
   Hero
   ============================================= */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('img/top.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

/* 写真の上に氷イメージのオーバーレイ */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(18, 42, 62, 0.50) 0%,
    rgba(26, 47, 66, 0.38) 50%,
    rgba(44, 110, 153, 0.22) 100%
  );
}

.hero__center {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero__sub {
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
}

.hero__logo {
  font-family: var(--font-sans);
  font-size: clamp(24px, 5.5vw, 52px);
  font-weight: 300;
  color: #fff;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

/* 創業バッジ */
.hero__badge {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255,255,255,0.18);
  padding: 14px 24px;
}

.hero__badge-year {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: #fff;
  text-transform: uppercase;
  font-family: var(--font-serif);
}

.hero__badge-divider {
  display: block;
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,0.35);
  margin: 0 20px;
}

.hero__badge-text {
  font-size: clamp(15px, 2.5vw, 20px);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: #fff;
  font-family: var(--font-serif);
}

.hero__badge-sub {
  display: block;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.55);
  margin-left: 20px;
  padding-left: 20px;
  border-left: 1px solid rgba(255,255,255,0.25);
}

/* =============================================
   Sections - Common
   ============================================= */
.section {
  padding: 72px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.section__label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 32px;
}

.section__heading {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
}

.section__link-all {
  font-size: 11px;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
  color: var(--color-text-light);
  transition: border-color 0.2s, color 0.2s;
}

.section__link-all:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

/* =============================================
   Line Up
   ============================================= */
.section--lineup {
  padding-top: 0;
  max-width: 100%;
  padding-left: 0;
  padding-right: 0;
}

.section--lineup .section__label {
  padding: 72px 20px 0;
  max-width: 900px;
  margin: 0 auto 32px;
}

.lineup__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 8px;
}

.lineup__scroll::-webkit-scrollbar { display: none; }

.lineup__items {
  display: flex;
  gap: 2px;
  width: max-content;
  padding: 0 20px;
}

@media (min-width: 600px) {
  .lineup__items {
    padding: 0 40px;
  }
}

.lineup__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
}

.lineup__item span {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  text-align: center;
  padding-bottom: 4px;
}

.lineup__img {
  width: 160px;
  height: 200px;
  background-size: cover;
  background-position: center;
}

@media (min-width: 768px) {
  .lineup__img {
    width: 200px;
    height: 240px;
  }
}

/* 商品画像プレースホルダー（実際の画像に差し替え） */
.lineup__img--kakuice  { background-color: #c8dde8; }
.lineup__img--kakiice  { background-color: #d4e8f0; }
.lineup__img--dobu     { background-color: #b0cfe0; }
.lineup__img--marui    { background-color: #e0eff5; }
.lineup__img--dry      { background-color: #a8c4d4; }
.lineup__img--bukaki   { background-color: #bfd8e5; }
.lineup__img--diamond  { background-color: #cce5ef; }
.lineup__img--crush    { background-color: #b8d2e0; }

/* 氷の視覚表現 */
.lineup__img--kakuice::after,
.lineup__img--kakiice::after,
.lineup__img--dobu::after,
.lineup__img--marui::after,
.lineup__img--dry::after,
.lineup__img--bukaki::after,
.lineup__img--diamond::after,
.lineup__img--crush::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.5) 0%, transparent 60%);
}

/* =============================================
   News Bar
   ============================================= */
.news-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  max-width: 100%;
  overflow: hidden;
}

.news-bar__label {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--color-accent);
  padding: 3px 10px;
  border-radius: 2px;
  line-height: 1.4;
}

.news-bar__text {
  font-size: 12px;
  color: var(--color-text);
  letter-spacing: 0.03em;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* =============================================
   About
   ============================================= */
.section--about {
  border-top: 1px solid var(--color-border);
}

.about__meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-text-light);
}

.about__hero-text {
  margin-bottom: 48px;
}

.about__catch {
  font-family: var(--font-serif);
  font-size: clamp(24px, 5vw, 42px);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0.1em;
}

.about__scroll-text {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 640px) {
  .about__scroll-text {
    flex-direction: row;
    gap: 60px;
  }
}

.about__block {
  flex: 1;
}

.about__subtitle {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  color: var(--color-accent);
}

.about__block p {
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-light);
}

/* =============================================
   Quality
   ============================================= */
.section--quality {
  border-top: 1px solid var(--color-border);
  background: var(--color-section-alt);
  max-width: 100%;
  padding: 72px 20px;
}

.section--quality > * {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.section--quality .section__label {
  max-width: 860px;
}

.quality__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 56px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 640px) {
  .quality__content {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

.quality__title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.quality__block p {
  font-size: 12px;
  line-height: 2;
  color: var(--color-text-light);
}

.quality__recycle-program {
  background: var(--color-accent);
  color: #fff;
  padding: 40px;
  border-radius: 2px;
  max-width: 860px;
  margin: 0 auto;
}

.quality__recycle-program h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}

.quality__recycle-program p {
  font-size: 13px;
  line-height: 1.9;
  opacity: 0.85;
  margin-bottom: 28px;
}

/* =============================================
   Pure Ice（純氷へのこだわり）
   ============================================= */
.section--pureice {
  border-top: 1px solid var(--color-border);
  background: var(--color-section-alt);
  max-width: 100%;
  padding: 72px 20px;
}

.section--pureice > * {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.pureice__content {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

@media (min-width: 800px) {
  .pureice__content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
  }
}

.pureice__title {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.pureice__block p {
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-light);
}

.pureice__signature {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 12px !important;
  color: var(--color-text) !important;
  font-style: italic;
  letter-spacing: 0.02em;
}

/* =============================================
   Buttons
   ============================================= */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

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

.btn--primary:hover {
  background: rgba(255,255,255,0.85);
}

.btn--outline {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

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

/* =============================================
   Products
   ============================================= */
.section--products {
  border-top: 1px solid var(--color-border);
}

.products__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-bottom: 64px;
}

@media (min-width: 640px) {
  .products__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .products__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product__item {
  display: flex;
  flex-direction: column;
}

.product__img {
  aspect-ratio: 3/4;
  background-size: cover;
  background-position: center;
}

.product__img--kakuice  { background-color: #c8dde8; }
.product__img--kakiice  { background-color: #d4e8f0; }
.product__img--dobu     { background-color: #b0cfe0; }
.product__img--marui    { background-color: #e0eff5; }
.product__img--dry      { background-color: #5a7a96; }
.product__img--tekuwari { background-color: #bfd8e5; }
.product__img--diamond  { background-color: #daeef6; }
.product__img--crush    { background-color: #b8d2e0; }
.product__img--rental   { background-color: #ccdde8; }

.product__img::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, rgba(255,255,255,0.4) 0%, transparent 50%);
}

.product__info {
  padding: 12px 8px;
}

.product__info h3 {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.product__info p {
  font-size: 11px;
  color: var(--color-text-light);
  line-height: 1.5;
}

.products__craft {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 640px) {
  .products__craft {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }
}

.products__craft-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.products__craft-text p {
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-light);
}

/* 商品ページ拡充スタイル */
.products__lead {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4.5vw, 40px);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0.08em;
  margin-bottom: 64px;
}

.products__category {
  margin-bottom: 72px;
}

.products__category-title {
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text-light);
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.products__category-title span {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.12em;
}

.products__detail-grid {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.product__detail-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
  background: var(--color-bg);
}

@media (min-width: 640px) {
  .product__detail-item {
    grid-template-columns: 200px 1fr;
  }
}

.product__detail-item .product__img {
  aspect-ratio: auto;
  height: 100%;
  min-height: 160px;
}

.product__detail-item--featured {
  background: var(--color-section-alt);
}

.product__detail-item--featured .product__img {
  min-height: 200px;
}

.product__detail-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.product__detail-name {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.product__badge {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--color-accent);
  padding: 3px 8px;
  border-radius: 2px;
}

.product__detail-desc {
  font-size: 12px;
  line-height: 2;
  color: var(--color-text-light);
}

.product__detail-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.product__detail-tags li {
  font-size: 11px;
  color: var(--color-text-light);
  background: var(--color-border);
  padding: 3px 10px;
  border-radius: 2px;
  letter-spacing: 0.04em;
}

.products__dryice-note {
  margin-top: 16px;
  padding: 16px 20px;
  background: #f0f6fa;
  border-left: 3px solid var(--color-ice-dark);
  font-size: 12px;
  line-height: 1.9;
  color: var(--color-text-light);
}

.products__dryice-note strong {
  color: var(--color-text);
}

.products__cta {
  text-align: center;
  padding-top: 56px;
  border-top: 1px solid var(--color-border);
}

.products__cta-note {
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.products__cta-tel {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.1em;
  padding: 16px 48px;
  margin-bottom: 12px;
}

.products__cta-sub {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

/* ─── 純氷・手割りストーリー ─── */
.products__story {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 720px;
}

.products__story-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.products__story-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.products__story-block p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-light);
}

.page-section--dark .products__story-title {
  color: #fff;
}

.page-section--dark .products__story-block p {
  color: rgba(255,255,255,0.7);
}

.page-section--dark .products__story-block strong {
  color: #fff;
}

.products__story-block strong {
  color: var(--color-text);
  font-weight: 600;
}

.products__story-signature {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 13px !important;
  color: var(--color-text) !important;
  font-style: italic;
}

/* =============================================
   Voice
   ============================================= */
.section--voice {
  border-top: 1px solid var(--color-border);
  background: var(--color-section-alt);
  max-width: 100%;
  padding: 72px 20px;
}

.section--voice .section__heading {
  max-width: 860px;
  margin: 0 auto 32px;
  display: block;
}

.voice__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .voice__list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .voice__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.voice__item {
  background: var(--color-bg);
  padding: 24px;
  border-left: 3px solid var(--color-ice-dark);
}

.voice__text {
  font-size: 13px;
  line-height: 1.9;
  margin-bottom: 12px;
  font-weight: 400;
}

.voice__from {
  font-size: 11px;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

/* =============================================
   Results
   ============================================= */
.section--results {
  border-top: 1px solid var(--color-border);
}

.results__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  margin-top: 24px;
}

@media (min-width: 640px) {
  .results__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.result__item {
  background: var(--color-bg);
  padding: 16px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.result__place {
  font-weight: 500;
  color: var(--color-text);
  font-size: 12px;
}

.result__place small {
  font-weight: 400;
  color: var(--color-text-light);
  font-size: 10px;
  margin-left: 2px;
}

.result__detail {
  font-size: 11px;
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.result__note {
  font-size: 10px;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* =============================================
   Company
   ============================================= */
.section--company {
  border-top: 1px solid var(--color-border);
}

/* company-summary（トップページ簡易版） */
.company-summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 640px;
}

@media (min-width: 640px) {
  .company-summary {
    grid-template-columns: auto 1fr;
    gap: 48px;
    align-items: start;
  }
}

.company-summary__name {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.company-summary__label {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-text-light);
  text-transform: uppercase;
}

.company-summary__title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.company-summary__info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.company-summary__row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
}

.company-summary__row:first-child {
  border-top: 1px solid var(--color-border);
}

.company-summary__row dt {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  padding-top: 2px;
}

.company-summary__row a {
  border-bottom: 1px solid var(--color-border);
  transition: opacity 0.15s;
}

.company-summary__row a:hover {
  opacity: 0.6;
}

.company-summary__link {
  display: inline-block;
  margin-top: 20px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  transition: opacity 0.15s;
}

.company-summary__link:hover {
  opacity: 0.6;
}

/* ドライアイス注意書き */
.addr-note {
  margin-top: 12px;
  padding: 10px 14px;
  background: #fff8e6;
  border-left: 3px solid #c8860a;
  border-radius: 2px;
  font-size: 12px;
  line-height: 1.8;
  color: #6b4a00;
}
.addr-note strong {
  font-weight: 600;
}

/* =============================================
   Contact
   ============================================= */
.section--contact {
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding-bottom: 96px;
}

.contact__content {
  max-width: 480px;
  margin: 0 auto;
}

.contact__note {
  font-size: 12px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 40px;
}

.contact__tel-block {
  margin-bottom: 28px;
}

.contact__tel-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-text-light);
  margin-bottom: 6px;
}

.contact__tel-num {
  font-family: var(--font-serif);
  font-size: clamp(28px, 6vw, 40px);
  font-weight: 300;
  letter-spacing: 0.08em;
  display: block;
  color: var(--color-accent);
}

.contact__leave-msg {
  font-size: 12px;
  line-height: 2;
  color: var(--color-text-light);
  margin: 32px 0;
  text-align: left;
}

/* =============================================
   Footer
   ============================================= */
.site-footer {
  background: var(--color-dark);
  color: #fff;
  padding: 56px 24px 40px;
}

.footer__inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

/* 上段：ブランド＋ナビグリッド */
.footer__top {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (min-width: 640px) {
  .footer__top {
    flex-direction: row;
    align-items: flex-start;
    gap: 56px;
  }
}

.footer__brand {
  flex-shrink: 0;
}

.footer__brand-name {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: #fff;
  margin-bottom: 8px;
}

.footer__brand-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.12em;
  line-height: 1.8;
}

/* カテゴリーナビグリッド */
.footer__nav {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 24px;
}

@media (min-width: 640px) {
  .footer__nav {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.footer__nav-group {}

.footer__nav-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 14px;
}

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

.footer__nav-list a {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
  transition: color 0.15s;
  line-height: 1.4;
}

.footer__nav-list a:hover {
  color: #fff;
}

/* 下段 */
.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

@media (min-width: 640px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__copy {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.06em;
}

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

.footer__legal a {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.06em;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.footer__legal a:hover {
  color: rgba(255,255,255,0.8);
}

/* =============================================
   LINE 準備中モーダル
   ============================================= */
#lineModal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
#lineModal.is-open {
  display: flex;
}
.line-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}
.line-modal__box {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: 8px;
  padding: 40px 32px;
  max-width: 320px;
  width: calc(100% - 48px);
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.line-modal__icon {
  margin-bottom: 16px;
}
.line-modal__title {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  color: var(--color-text);
}
.line-modal__desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 20px;
}
.line-modal__tel {
  display: block;
  font-size: 20px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  text-decoration: none;
  margin-bottom: 20px;
}
.line-modal__tel:hover {
  text-decoration: underline;
}
.line-modal__close {
  display: block;
  width: 100%;
  padding: 10px;
  border: 1px solid var(--color-border);
  background: transparent;
  border-radius: 2px;
  font-size: 13px;
  font-family: var(--font-sans);
  color: var(--color-text-light);
  cursor: pointer;
  transition: background 0.15s;
}
.line-modal__close:hover {
  background: var(--color-bg);
}

/* =============================================
   Bottom Navigation Bar (スマホ専用)
   ============================================= */
.bottom-nav {
  display: none;
}

@media (max-width: 639px) {
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: #fff;
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
    padding-bottom: env(safe-area-inset-bottom);
  }

  .bottom-nav__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 4px;
    text-decoration: none;
    font-size: 10px;
    letter-spacing: 0.03em;
    font-weight: 400;
    transition: background 0.15s;
    -webkit-tap-highlight-color: transparent;
  }

  .bottom-nav__item:active {
    background: rgba(0,0,0,0.04);
  }

  .bottom-nav__item--tel {
    color: var(--color-accent);
  }

  .bottom-nav__item--line {
    color: #06C755;
  }

  .bottom-nav__item--contact {
    background: var(--color-accent);
    color: #fff;
  }

  .bottom-nav__item--contact:active {
    background: var(--color-dark);
  }

  .bottom-nav__icon {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* ボトムナビ分のスペース確保 */
  body {
    padding-bottom: calc(64px + env(safe-area-inset-bottom));
  }
}

/* =============================================
   Utility - Section dividers (color blocks)
   ============================================= */
.section--products .section__heading {
  display: block;
  margin-bottom: 32px;
}

/* =============================================
   Responsive adjustments
   ============================================= */
@media (max-width: 480px) {
  .section {
    padding: 56px 16px;
  }

  .company__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .contact__tel-num {
    font-size: 26px;
  }
}

/* =============================================
   About 3min
   ============================================= */
.section--about3min {
  border-top: 1px solid var(--color-border);
  background: linear-gradient(175deg, #1a2f42 0%, #1e3a52 50%, #1a3048 100%);
  color: #fff;
  max-width: 100%;
  padding: 96px 24px;
}

/* ヘッダー */
.about3min__header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 64px;
}

.about3min__en {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 20px;
}

.about3min__lead {
  font-family: var(--font-serif);
  font-size: clamp(26px, 5vw, 44px);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.about3min__sub {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.05em;
}

.sp-only { display: inline; }
@media (min-width: 640px) {
  .sp-only { display: none; }
}

/* カードグリッド */
.about3min__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .about3min__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

/* カード */
.about3min__card {
  position: relative;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 36px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: background 0.3s, border-color 0.3s;
}

.about3min__card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.15);
}

/* 上部のアクセントライン */
.about3min__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 28px;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  opacity: 0.6;
}

/* ナンバー */
.about3min__num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 300;
  color: rgba(255,255,255,0.08);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.about3min__card-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.about3min__card-title {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: #fff;
  line-height: 1.5;
}

.about3min__card-text {
  font-size: 12px;
  line-height: 2;
  color: rgba(255,255,255,0.55);
  flex: 1;
}

.about3min__card-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px 12px;
  border-radius: 2px;
  margin-top: 8px;
}

.about3min__cta {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.about3min__tel {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.1em;
  background: #fff;
  color: var(--color-text);
  padding: 16px 48px;
  margin-bottom: 12px;
}

.about3min__cta-note {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
}

/* =============================================
   Oonoya
   ============================================= */
.section--oonoya {
  border-top: 1px solid var(--color-border);
}

.oonoya__hero {
  margin-bottom: 56px;
}

.oonoya__catch {
  font-family: var(--font-serif);
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.oonoya__sub {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-text-light);
  text-transform: uppercase;
}

.oonoya__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 56px;
}

@media (min-width: 640px) {
  .oonoya__body {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}

.oonoya__title {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
  color: var(--color-accent);
}

.oonoya__block p {
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-light);
}

.oonoya__milestone {
  border-top: 1px solid var(--color-border);
  padding-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.oonoya__milestone-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}

.oonoya__milestone-year {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.oonoya__milestone-text {
  font-size: 13px;
  color: var(--color-text-light);
  letter-spacing: 0.03em;
}

/* =============================================
   Recruit
   ============================================= */
.section--recruit {
  border-top: 1px solid var(--color-border);
  background: var(--color-section-alt);
  max-width: 100%;
  padding: 88px 20px;
}

.section--recruit .section__heading {
  max-width: 860px;
  margin: 0 auto;
  display: block;
  margin-bottom: 32px;
}

.recruit__lead {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.recruit__desc {
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 56px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.recruit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-bottom: 56px;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 640px) {
  .recruit__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.recruit__item {
  background: var(--color-bg);
  padding: 36px 32px;
}

.recruit__position {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.recruit__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.recruit__list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text);
}

.recruit__label {
  font-size: 11px;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  padding-top: 2px;
}

.recruit__cta {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.recruit__cta-note {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 24px;
  line-height: 1.8;
}

.recruit__cta-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* recruitセクション内のヘッダーボタン再利用時のスタイル上書き */
.recruit__cta-btns .header__tel-btn {
  display: flex;
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: #fff;
}
.recruit__cta-btns .header__tel-btn:hover {
  background: var(--color-accent);
  color: #fff;
}
.recruit__cta-btns .header__line-btn {
  display: flex;
  background: #06C755;
  border-color: #06C755;
  color: #fff;
}

/* =============================================
   Animation & Micro-interactions
   ============================================= */

/* ── Fade-in on scroll ── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

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

/* stagger（子要素の段階表示） */
.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.fade-in-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.fade-in-stagger.is-visible > *:nth-child(2) { transition-delay: 0.12s; }
.fade-in-stagger.is-visible > *:nth-child(3) { transition-delay: 0.19s; }
.fade-in-stagger.is-visible > *:nth-child(4) { transition-delay: 0.26s; }
.fade-in-stagger.is-visible > *:nth-child(5) { transition-delay: 0.33s; }
.fade-in-stagger.is-visible > *:nth-child(6) { transition-delay: 0.40s; }

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

/* ── リンク & ボタン共通 ── */
.btn {
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

/* ── セクションリンク ── */
.section__link-all {
  transition: border-color 0.3s, color 0.3s, letter-spacing 0.3s;
}

.section__link-all:hover {
  letter-spacing: 0.14em;
}

/* ── ラインナップカード ── */
.lineup__item {
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.lineup__item:hover {
  transform: translateY(-4px);
}

.lineup__img {
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  overflow: hidden;
}

.lineup__item:hover .lineup__img {
  transform: scale(1.03);
}

/* ── 商品カード ── */
.product__item {
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1),
              box-shadow 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.product__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(26, 47, 66, 0.08);
}

.product__img {
  overflow: hidden;
}

.product__img::after {
  transition: opacity 0.4s ease;
}

.product__item:hover .product__img::after {
  opacity: 0.6;
}

/* ── お客様の声 ── */
.voice__item {
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1),
              box-shadow 0.35s cubic-bezier(0.23, 1, 0.32, 1),
              border-color 0.35s ease;
}

.voice__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(26, 47, 66, 0.07);
  border-color: var(--color-accent);
}

/* ── 実績 ── */
.result__item {
  transition: background 0.3s ease, transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.result__item:hover {
  background: #fff;
  transform: translateY(-1px);
}

/* ── 品質セクション ── */
.quality__block {
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.quality__block:hover {
  transform: translateY(-2px);
}

/* ── 純氷セクション ── */
.pureice__block {
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.pureice__block:hover {
  transform: translateY(-2px);
}

/* ── ストーリーブロック ── */
.products__story-block {
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.products__story-block:hover {
  transform: translateX(4px);
}

/* ── 求人カード ── */
.recruit__item {
  transition: transform 0.35s cubic-bezier(0.23, 1, 0.32, 1),
              box-shadow 0.35s cubic-bezier(0.23, 1, 0.32, 1);
}

.recruit__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(26, 47, 66, 0.07);
}

/* ── About 3min カード ── */
.about3min__card {
  transition: background 0.4s cubic-bezier(0.23, 1, 0.32, 1),
              border-color 0.4s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.about3min__card:hover {
  transform: translateY(-4px);
}

.about3min__card::before {
  transition: width 0.4s cubic-bezier(0.23, 1, 0.32, 1),
              opacity 0.4s ease;
}

.about3min__card:hover::before {
  width: 48px;
  opacity: 1;
}

/* ── ニュースバー ── */
.news-bar {
  transition: background 0.3s ease;
}

.news-bar:hover {
  background: #f8fbfd;
}

.news-bar__label {
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.news-bar:hover .news-bar__label {
  transform: scale(1.05);
}

/* ── ヒーローバッジ ── */
.hero__badge {
  transition: background 0.4s ease;
}

.hero__badge:hover {
  background: rgba(255,255,255,0.15);
}

/* ── サイドメニュー項目 ── */
.side-menu__nav a {
  transition: opacity 0.2s, padding-left 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.side-menu__nav a:hover {
  padding-left: 8px;
}

/* ── フッターリンク ── */
.footer__nav-list a {
  transition: color 0.2s, padding-left 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.footer__nav-list a:hover {
  padding-left: 4px;
}

/* ── ヒーロー文字の登場アニメーション ── */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroBadgeSlide {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__sub {
  animation: heroFadeUp 0.9s cubic-bezier(0.23, 1, 0.32, 1) 0.2s both;
}

.hero__logo {
  animation: heroFadeUp 0.9s cubic-bezier(0.23, 1, 0.32, 1) 0.45s both;
}

.hero__badge {
  animation: heroBadgeSlide 0.8s cubic-bezier(0.23, 1, 0.32, 1) 0.8s both;
}

/* ── 商品詳細リスト ── */
.product__detail-item {
  transition: background 0.3s ease;
}

.product__detail-item:hover {
  background: #fff;
}

/* ── 会社情報のリンク ── */
.company-summary__link {
  transition: opacity 0.2s, letter-spacing 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.company-summary__link:hover {
  letter-spacing: 0.12em;
}

/* ── 大野屋マイルストーン ── */
.oonoya__milestone-item {
  transition: background 0.3s ease;
}

.oonoya__milestone-item:hover {
  background: rgba(44, 110, 153, 0.03);
  border-radius: 4px;
}

/* ── prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in { opacity: 1; transform: none; }
  .fade-in-stagger > * { opacity: 1; transform: none; }
}