/* ========================================
   Tsubaki Trading — Corporate Site
   ======================================== */

:root {
  --navy: #1a2a5e;
  --navy-deep: #0f1a3a;
  --navy-muted: #3a4a7a;
  --accent: #a23702;
  --accent-hover: #6d3610;
  --accent-soft: #a05a2c;
  --gold: #b8860b;
  --text: #2c2c2c;
  --text-muted: #666666;
  --text-light: #888888;
  --white: #ffffff;
  --off-white: #f7f5f2;
  --beige: #ebe4da;
  --beige-soft: #f3efe8;
  --border: #e5e0d8;
  --gray-bg: #f5f5f5;

  --font-sans: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Outfit", "Noto Sans JP", sans-serif;

  --container: 1120px;
  --header-h: 78px;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font-en);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.btn .arrow {
  transition: transform 0.3s var(--ease);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  border: 1px solid var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

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

.btn-outline:hover {
  background: var(--accent);
  color: var(--white);
}

.btn-sm {
  padding: 0.65rem 1.25rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 1.1rem 2.5rem;
  font-size: 1rem;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: var(--navy);
  font-weight: 500;
  transition: color 0.25s var(--ease);
}

.link-more .arrow {
  transition: transform 0.3s var(--ease);
}

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

.link-more:hover .arrow {
  transform: translateX(4px);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, #eef3f8 0%, #f7f9fc 55%, #ffffff 100%);
  border-bottom: 1px solid rgba(26, 42, 94, 0.08);
  height: var(--header-h);
  overflow: visible;
}

.header-inner {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: 1.5rem;
  position: relative;
}

.logo {
  display: block;
  flex-shrink: 0;
  align-self: flex-start;
  position: relative;
  z-index: 5;
  margin-left: -0.25rem;
}

.logo-badge {
  
}

.logo-img {
  width: 80px;
  height: auto;
  display: block;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
  margin-right: 0.25rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.main-nav a {
  font-size: 0.75rem;
  color: var(--navy);
  letter-spacing: 0.02em;
  white-space: nowrap;
  position: relative;
  padding-block: 0.25rem;
  transition: color 0.25s var(--ease);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}

.main-nav a:hover {
  color: var(--accent);
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--navy);
  border-radius: 1px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-sp-only {
  display: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  min-height: max(580px, calc(100vh - var(--header-h)));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #e8eef5;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      95deg,
      rgba(236, 242, 248, 0.55) 0%,
      rgba(236, 242, 248, 0.25) 32%,
      transparent 55%
    ),
    url("../assets/hero.png") right center / cover no-repeat;
  animation: heroFade 1.2s var(--ease) both;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding-block: 4.5rem 5.5rem;
  width: min(100% - 48px, 1180px);
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.12em;
  margin-bottom: 1.1rem;
  animation: riseIn 0.9s var(--ease) 0.05s both;
}

.hero-title {
  font-size: clamp(1.65rem, 3.2vw, 2.5rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.5;
  letter-spacing: 0.06em;
  margin-bottom: 1.35rem;
  animation: riseIn 0.9s var(--ease) 0.15s both;
}

.hero-lead {
  font-size: 1rem;
  font-weight: 500;
  color: #131314;;
  letter-spacing: 0.04em;
  line-height: 1.7;
  margin-bottom: 1rem;
  max-width: 28rem;
  animation: riseIn 0.9s var(--ease) 0.3s both;
}

.hero-desc {
  max-width: 30rem;
  font-size: 0.8125rem;
  color: #131314;;
  line-height: 1.95;
  margin-bottom: 2.25rem;
  animation: riseIn 0.9s var(--ease) 0.4s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: riseIn 0.9s var(--ease) 0.55s both;
}

.hero-actions .btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  padding: 0.95rem 1.6rem;
  border-radius: 0;
}

.hero-aside {
  display: flex;
  flex-direction: column;
  gap: 2.75rem;
  align-self: center;
  padding-right: 0.25rem;
  animation: riseIn 1s var(--ease) 0.7s both;
}

.hero-aside-item {
  position: relative;
  padding-left: 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--navy);
  line-height: 1.85;
}

.hero-aside-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 2px;
  background: #5b7cb8;
}

/* ---------- News bar ---------- */
.news-bar {
  border-block: 1px solid var(--border);
  background: var(--white);
}

.news-inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-block: 1rem;
  min-height: 56px;
}

.news-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  flex-shrink: 0;
}

.news-date {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.news-title {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.25s;
}

.news-title:hover {
  color: var(--accent);
}

.news-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.news-all {
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--navy);
  letter-spacing: 0.04em;
}

.news-all:hover {
  color: var(--accent);
}

.news-nav {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  font-size: 1rem;
  color: var(--navy);
  transition: border-color 0.25s, color 0.25s;
}

.news-nav:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Sections ---------- */
.section {
  padding-block: 5.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  text-align: left;
  gap: 1rem;
}

.section-en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.5rem, 2.5vw, 1.875rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.section-lead {
  margin-top: 0.75rem;
  font-size: 1rem;
  color: var(--navy-muted);
  letter-spacing: 0.04em;
}

/* ---------- Business ---------- */
.business {
  background: var(--white);
}

.business-header {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.9fr) auto;
  gap: 0.5rem 2.5rem;
  align-items: start;
  margin-bottom: 3rem;
}

.business-label {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.business-label-ja {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.08em;
}

.business-label-en {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
  font-size: 0.8125rem;
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.business-heading {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.business-intro {
  font-size: 0.8125rem;
  color: var(--navy);
  line-height: 1.9;
  letter-spacing: 0.02em;
  align-self: end;
  padding-bottom: 0.15rem;
}

.business-all {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  white-space: nowrap;
  align-self: start;
  transition: opacity 0.25s var(--ease);
}

.business-all .arrow {
  transition: transform 0.3s var(--ease);
}

.business-all:hover {
  opacity: 0.75;
}

.business-all:hover .arrow {
  transform: translateX(4px);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.business-card {
  display: flex;
  flex-direction: column;
  border: lightgrey solid 1px;
  padding: 4px;
  border-radius: 4px;
}

.business-img {
  overflow: hidden;
  aspect-ratio: 3 / 2;
  margin-bottom: 1.15rem;
  background: var(--gray-bg);
}

.business-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.business-card:hover .business-img img {
  transform: scale(1.06);
}

.business-num {
  font-family: var(--font-en);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 0.45rem;
}

.business-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.65rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.business-card p {
  font-size: 0.8125rem;
  color: var(--navy-muted);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 1.1rem;
}

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

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

/* ---------- Shop banner ---------- */
.shop-banner {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
  background: var(--beige-soft);
}

.shop-banner-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(243, 239, 232, 0.92) 0%,
      rgba(243, 239, 232, 0.72) 32%,
      rgba(243, 239, 232, 0.2) 55%,
      transparent 72%
    ),
    url("../assets/shop-banner.png") right center / cover no-repeat;
}

.shop-inner {
  position: relative;
  z-index: 1;
  display: block;
  padding-block: 4.5rem;
}

.shop-label {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--navy);
  margin-bottom: 1.15rem;
  display: inline-block;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--navy);
}

.shop-text {
  max-width: 30rem;
}

.shop-text h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.04em;
  margin-bottom: 1.15rem;
}

.shop-text p {
  font-size: 0.875rem;
  color: var(--navy);
  line-height: 1.9;
  margin-bottom: 2rem;
}

.shop-text .btn {
  font-family: var(--font-sans);
  border-radius: 0;
  letter-spacing: 0.06em;
}

.shop-badge {
  position: absolute;
  top: 2rem;
  right: 0;
  width: 118px;
  height: 118px;
  border: 1px solid var(--navy);
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.35);
}

.shop-badge p {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  line-height: 1.25;
}

.shop-badge-strong {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.shop-badge-sub {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  opacity: 0.9;
}

/* ---------- Why Us ---------- */
/* ---------- Japanese medical innovation ---------- */
.innovation {
  padding: 4.5rem 0 1rem;
  background: linear-gradient(180deg, #eef4fb 0%, #f6f9fd 60%, var(--white) 100%);
}

.inno-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.inno-panel {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(20, 45, 95, 0.08);
}

.inno-panel-title {
  padding: 0.95rem 1.25rem;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--white);
}

.inno-panel-vaccine .inno-panel-title {
  background: linear-gradient(90deg, #12397a 0%, #1f5fb4 100%);
}

.inno-panel-tech .inno-panel-title {
  background: linear-gradient(90deg, #0d6e84 0%, #1aa0b0 100%);
}

.inno-list {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.6rem;
  padding: 0.9rem;
}

.inno-item {
  flex: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 34%;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 0.7rem 0.7rem 1rem;
  background: #f3f7fc;
  border-radius: 8px;
}

.inno-panel-tech .inno-item {
  background: #f1f8f9;
}

.inno-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #163f82;
  color: var(--white);
  flex-shrink: 0;
}

.inno-icon svg {
  width: 28px;
  height: 28px;
}

.inno-icon-violet { background: #8a7fd0; }
.inno-icon-teal { background: #1c9aa8; }
.inno-icon-orange { background: #ef9a3a; }
.inno-icon-pink { background: #e7759b; }

.inno-text h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.5;
  color: #133a7a;
  margin-bottom: 0.3rem;
}

.inno-panel-tech .inno-text h3 {
  color: #0d6e84;
}

.inno-text h3 small {
  font-size: 0.78em;
  font-weight: 700;
  white-space: nowrap;
}

.inno-text p {
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--navy-muted);
}

.inno-text p br {
  display: none;
}

.inno-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 6px;
  display: block;
}

.inno-banner {
  position: relative;
  margin-top: 1.5rem;
  padding: 2.4rem 2rem 2.4rem 30%;
  border-radius: 10px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(234, 242, 251, 0) 18%, rgba(234, 242, 251, 0.85) 34%, #eef4fb 50%),
    url("../assets/innovation/globe.jpg") left center / auto 170% no-repeat,
    #eef4fb;
  box-shadow: 0 6px 24px rgba(20, 45, 95, 0.06);
}

.inno-banner h2 {
  font-size: clamp(1.1rem, 1.75vw, 1.45rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--navy);
  margin-bottom: 0.8rem;
}

.inno-banner p {
  font-size: 0.8125rem;
  line-height: 1.9;
  color: var(--navy-muted);
}

@media (max-width: 1100px) {
  .inno-item {
    grid-template-columns: auto minmax(0, 1fr) 30%;
    gap: 0.8rem;
  }

  .inno-icon {
    width: 48px;
    height: 48px;
  }

  .inno-icon svg {
    width: 24px;
    height: 24px;
  }

  .inno-banner p br {
    display: none;
  }
}

@media (max-width: 860px) {
  .innovation {
    padding-top: 3.5rem;
  }

  .inno-panels {
    grid-template-columns: minmax(0, 1fr);
  }

  .inno-item {
    grid-template-columns: auto minmax(0, 1fr) 28%;
  }

  .inno-banner {
    padding: 2rem 1.75rem 2rem 34%;
  }
}

@media (max-width: 640px) {
  .innovation {
    padding: 2.75rem 0 0.5rem;
  }

  .inno-panels {
    gap: 1rem;
  }

  .inno-panel-title {
    padding: 0.8rem 1rem;
    font-size: 1rem;
    letter-spacing: 0.03em;
  }

  .inno-list {
    gap: 0.5rem;
    padding: 0.65rem;
  }

  .inno-item {
    grid-template-columns: auto minmax(0, 1fr) 30%;
    gap: 0.7rem;
    padding: 0.7rem;
  }

  .inno-item img {
    aspect-ratio: 4 / 3;
    border-radius: 5px;
  }

  .inno-icon {
    width: 42px;
    height: 42px;
  }

  .inno-icon svg {
    width: 22px;
    height: 22px;
  }

  .inno-text h3 {
    font-size: 0.875rem;
  }

  .inno-text h3 small {
    white-space: normal;
  }

  .inno-banner {
    margin-top: 1rem;
    padding: 9.5rem 1.25rem 1.6rem;
    text-align: center;
    background:
      linear-gradient(180deg, rgba(238, 244, 251, 0) 30%, rgba(238, 244, 251, 0.92) 52%, #eef4fb 62%),
      url("../assets/innovation/globe.jpg") 0 0 / 150% auto no-repeat,
      #eef4fb;
  }

  .inno-banner h2 {
    font-size: 1.1rem;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }

  .inno-banner p {
    font-size: 0.75rem;
    text-align: left;
  }
}

@media (max-width: 380px) {
  .inno-panel-title {
    font-size: 0.9375rem;
  }

  .inno-list {
    padding: 0.55rem;
  }

  .inno-item {
    grid-template-columns: auto minmax(0, 1fr) 84px;
    gap: 0.55rem;
    padding: 0.6rem;
  }

  .inno-icon {
    width: 34px;
    height: 34px;
  }

  .inno-icon svg {
    width: 18px;
    height: 18px;
  }

  .inno-text h3 small {
    display: block;
  }

  .inno-text h3 {
    font-size: 0.8125rem;
  }

  .inno-text p {
    font-size: 0.6875rem;
  }

  .inno-banner {
    padding: 8rem 1rem 1.4rem;
  }

  .inno-banner h2 {
    font-size: 1rem;
  }

  .inno-banner p {
    font-size: 0.6875rem;
  }
}

.why-us {
  background: var(--white);
}

.why-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.why-label {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.why-label-ja {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.08em;
}

.why-label-en {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-light);
}

.why-heading {
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.why-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 0.25s var(--ease);
}

.why-more .arrow {
  transition: transform 0.3s var(--ease);
}

.why-more:hover {
  opacity: 0.75;
}

.why-more:hover .arrow {
  transform: translateX(4px);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--border);
}

.why-item {
  text-align: center;
  padding: 2rem 1rem 1.75rem;
  border-right: 1px solid var(--border);
}

.why-item:last-child {
  border-right: none;
}

.why-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.85rem;
  color: var(--accent);
}

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

.why-dot {
  display: block;
  width: 5px;
  height: 5px;
  margin: 0 auto 0.85rem;
  background: var(--accent);
  transform: rotate(45deg);
}

.why-item h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.65rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.why-item p {
  font-size: 0.6875rem;
  color: var(--navy-muted);
  line-height: 1.75;
}

/* ---------- Medical banner ---------- */
.medical-banner {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.medical-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.72) 0%,
      rgba(255, 255, 255, 0.45) 42%,
      rgba(255, 255, 255, 0.15) 70%,
      transparent 100%
    ),
    url("../assets/medical-banner.png") center / cover no-repeat;
}

.medical-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 2.5rem;
  align-items: center;
  padding-block: 4.5rem;
}

.medical-main h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.875rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.55;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.medical-main p {
  font-size: 0.875rem;
  color: var(--navy);
  line-height: 1.9;
  margin-bottom: 1.75rem;
  max-width: 28rem;
}

.medical-main .btn {
  font-family: var(--font-sans);
  border-radius: 0;
  letter-spacing: 0.06em;
}

.medical-aside {
  position: relative;
  padding-left: 1.5rem;
  justify-self: end;
  max-width: 16rem;
}

.medical-aside::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 2px;
  background: var(--navy);
}

.medical-aside-en {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.medical-aside-ja {
  font-size: 0.8125rem;
  color: var(--navy);
  letter-spacing: 0.04em;
  line-height: 1.7;
}

/* ---------- Partners ---------- */
.partners {
  background: var(--white);
}

.partners-header,
.feature-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.partners-heading,
.feature-heading {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.partners-heading-ja,
.feature-heading-ja {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.06em;
}

.partners-heading-en,
.feature-heading-en {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
  font-size: 0.8125rem;
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0.14em;
  color: #8a9bb8;
}

.partners-all,
.feature-all {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 0.25s var(--ease);
}

.partners-all .arrow,
.feature-all .arrow {
  transition: transform 0.3s var(--ease);
}

.partners-all:hover,
.feature-all:hover {
  opacity: 0.75;
}

.partners-all:hover .arrow,
.feature-all:hover .arrow {
  transform: translateX(4px);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.partner-card {
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 4px;
  padding: 1.35rem 1.15rem 1.1rem;
  display: flex;
  flex-direction: column;
  min-height: 188px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.partner-card:hover {
  border-color: #c8c0b4;
  box-shadow: 0 8px 24px rgba(26, 42, 94, 0.06);
}

.partner-logo {
  width: 100%;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 0.85rem;
}

.partner-logo svg {
  width: 100%;
  max-width: 200px;
  height: 52px;
}

.partner-name {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.partner-desc {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--navy-muted);
  text-align: center;
  margin-bottom: auto;
  padding-bottom: 1rem;
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.partner-card .link-more {
  align-self: flex-start;
}

/* ---------- Feature ---------- */
.feature {
  background: var(--white);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card a {
  display: block;
}

.feature-img {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  margin-bottom: 0.85rem;
  background: var(--gray-bg);
}

.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.feature-card:hover .feature-img img {
  transform: scale(1.05);
}

.feature-lead {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.02em;
  margin-bottom: 0.2rem;
  line-height: 1.5;
}

.feature-card h3 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.65;
  letter-spacing: 0.02em;
  transition: color 0.25s;
}

.feature-card:hover .feature-lead,
.feature-card:hover h3 {
  color: var(--accent);
}

/* ---------- Footer CTA ---------- */
.footer-cta {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0a1430;
}

.footer-cta-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(10, 20, 48, 0.55) 0%,
      rgba(10, 20, 48, 0.2) 45%,
      transparent 70%
    ),
    url("../assets/cta.png") right center / cover no-repeat;
}

.footer-cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 0.55fr);
  gap: 2rem 3rem;
  align-items: center;
  padding-block: 4.5rem;
  width: min(100% - 48px, 1180px);
}

.footer-cta-text h2 {
  font-family: "Cormorant Garamond", "Noto Serif JP", "Times New Roman", serif;
  font-size: clamp(1.5rem, 2.8vw, 2.125rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.55;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-cta-text p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.88);
  letter-spacing: 0.04em;
  line-height: 1.8;
}

.footer-cta-action {
  justify-self: center;
}

.btn-cta {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 0;
  padding: 1rem 2.25rem;
}

.btn-cta:hover {
  background: var(--accent-hover);
  border-color: var(--white);
}

.footer-cta-aside {
  position: relative;
  padding-left: 1.5rem;
  justify-self: end;
}

.footer-cta-aside::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 1px;
  background: rgba(255, 255, 255, 0.7);
}

.footer-cta-aside p {
  font-family: "Cormorant Garamond", "Times New Roman", serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--white);
  line-height: 1.7;
}

/* ---------- Site footer ---------- */
.site-footer {
  background: var(--white);
  color: #3a4a7a;
  padding-block: 2.5rem 1.75rem;
  border-top: 1px solid var(--border);
}

.footer-top {
  display: grid;
  grid-template-columns: auto max-content minmax(0, 1fr) auto;
  gap: 1.25rem 1.75rem;
  align-items: center;
  padding-bottom: 1.75rem;
}

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

.footer-logo img {
  width: 92px;
  height: auto;
  display: block;
}

.footer-tagline {
  font-size: 0.875rem;
  font-weight: 500;
  color: #3a4a7a;
  letter-spacing: 0.04em;
  line-height: 1.6;
  white-space: nowrap;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem 1.15rem;
  min-width: 0;
}

.footer-nav a {
  font-size: 0.75rem;
  color: #3a4a7a;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color 0.25s;
}

.footer-nav a:hover {
  color: var(--accent);
}

.footer-langs {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.footer-langs button {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #3a4a7a;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}

.footer-langs button.is-active {
  border-bottom-color: #3a4a7a;
}

.footer-langs button:hover:not(:disabled) {
  color: var(--accent);
}

.footer-langs button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid #e6eaf2;
}

.footer-legal {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
}

.footer-legal a,
.footer-legal span {
  font-size: 0.75rem;
  color: #8896b5;
}

.footer-legal a:hover {
  color: var(--accent);
}

.copyright {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: #8896b5;
  border: none;
  padding: 0;
  opacity: 1;
}

/* ---------- Animations ---------- */
@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFade {
  from {
    opacity: 0;
    transform: scale(1.04);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .main-nav {
    gap: 0.85rem;
  }

  .main-nav a {
    font-size: 0.6875rem;
  }

  .business-grid,
  .feature-grid,
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .business-header {
    grid-template-columns: 1fr auto;
    gap: 1rem 1.5rem;
  }

  .business-header-main {
    grid-column: 1 / -1;
  }

  .business-intro {
    grid-column: 1;
  }

  .business-all {
    align-self: end;
  }

  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .why-item {
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .why-item:nth-child(3n) {
    border-right: none;
  }

  .why-item:nth-child(n + 4) {
    border-bottom: none;
  }

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

  .medical-aside {
    justify-self: start;
  }

  .shop-vertical,
  .shop-badge,
  .hero-aside {
    display: none;
  }

  .footer-cta-inner {
    grid-template-columns: 1fr auto;
    gap: 2rem;
  }

  .footer-cta-aside {
    display: none;
  }

  .footer-top {
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "logo langs"
      "tagline tagline"
      "nav nav";
    gap: 1rem 1.5rem;
  }

  .footer-logo { grid-area: logo; }
  .footer-tagline { grid-area: tagline; white-space: normal; }
  .footer-nav { grid-area: nav; justify-content: flex-start; }
  .footer-langs { grid-area: langs; justify-self: end; }

  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-bg {
    background:
      linear-gradient(
        95deg,
        rgba(236, 242, 248, 0.7) 0%,
        rgba(236, 242, 248, 0.35) 40%,
        transparent 70%
      ),
      url("../assets/hero.png") 70% center / cover no-repeat;
  }
}

@media (max-width: 860px) {
  .site-header {
    height: var(--header-h);
  }

  .header-inner {
    gap: 0.75rem;
    width: min(100% - 32px, var(--container));
  }

  .logo {
    align-self: center;
    margin-left: 0;
    z-index: 6;
  }

  .logo-img {
    width: 56px;
  }

  .header-actions {
    margin-left: auto;
    gap: 0.5rem;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    right: auto;
    width: 100vw;
    transform: translateX(-50%);
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 1.25rem 1.25rem;
    border-bottom: 1px solid var(--border);
    gap: 0;
    margin: 0;
    box-shadow: 0 16px 28px rgba(26, 42, 94, 0.1);
    z-index: 4;
    max-height: calc(100vh - var(--header-h) - 8px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    font-size: 0.9375rem;
    padding: 0.95rem 0.15rem;
    border-bottom: 1px solid var(--border);
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

  .main-nav a::after {
    display: none;
  }

  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 28px;
    height: 28px;
    gap: 5px;
    padding: 4px 0;
    border: none;
    background: transparent;
  }

  .menu-toggle span {
    width: 100%;
  }

  .header-inner .btn-sm {
    display: none;
  }

  .nav-sp-only {
    display: block;
    color: var(--accent);
    font-weight: 700;
  }

  .lang-toggle {
    min-height: 36px;
    padding: 0.3rem 0.45rem;
  }

  .lang-toggle-icon {
    width: 16px;
    height: 16px;
  }

  .lang-current {
    font-size: 0.625rem;
  }

  .lang-menu {
    min-width: 96px;
    z-index: 130;
  }

  .shop-inner {
    padding-block: 3.5rem;
  }

  .shop-banner-bg {
    background:
      linear-gradient(
        180deg,
        rgba(243, 239, 232, 0.94) 0%,
        rgba(243, 239, 232, 0.75) 45%,
        rgba(243, 239, 232, 0.35) 100%
      ),
      url("../assets/shop-banner.png") 70% center / cover no-repeat;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 58px;
  }

  body {
    overflow-x: hidden;
    font-size: 14px;
  }

  .btn {
    font-size: 0.8125rem;
  }

  .footer-tagline,
  .footer-nav a {
    font-size: 0.8125rem;
  }

  section,
  .faq-group {
    scroll-margin-top: calc(var(--header-h) + 12px);
  }

  .container,
  .hero-content,
  .footer-cta-inner {
    width: min(100% - 32px, var(--container));
  }

  .section {
    padding-block: 3rem;
  }

  .header-inner {
    gap: 0.5rem;
    width: min(100% - 24px, var(--container));
  }


  .logo-img {
    width: 50px;
  }

  .header-actions {
    gap: 0.4rem;
  }

  .lang-toggle {
    min-height: 34px;
    padding: 0.25rem 0.4rem;
    gap: 0.25rem;
  }

  .lang-toggle-caret {
    display: none;
  }

  .menu-toggle {
    width: 28px;
    height: 28px;
  }

  .menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .main-nav {
    padding: 0.35rem 1rem 1rem;
  }

  .main-nav a {
    font-size: 0.8125rem;
    padding: 0.85rem 0.1rem;
  }

  /* Hero: text over the photo */
  .hero {
    display: flex;
    align-items: center;
    min-height: 460px;
    background: #eef3f8;
  }

  .hero-bg {
    position: absolute;
    inset: 0;
    height: auto;
    min-height: 0;
    max-height: none;
    background:
    linear-gradient(180deg, rgba(236, 242, 248, 0.9) 0%, rgba(236, 242, 248, 0.74) 0%, rgba(236, 242, 248, 0.4) 32%), url(../assets/hero.png) 64% center / cover no-repeat
  }

  .hero-content {
    padding-block: 2.25rem;
  }

  .hero-eyebrow {
    margin-bottom: 0.55rem;
    font-size: 0.6875rem;
  }

  .hero-title {
    font-size: 1.25rem;
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
  }

  .hero-lead {
    font-size: 0.6525rem;;
    margin-bottom: 0.55rem;
  }

  .hero-desc {
    font-size: 0.75rem;
    margin-bottom: 1.25rem;
    line-height: 1.85;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  /* News */
  .news-inner {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.35rem 0.75rem;
    padding-block: 0.85rem;
  }

  .news-title {
    flex-basis: 100%;
    white-space: normal;
    order: 3;
    font-size: 0.75rem;
    line-height: 1.6;
  }

  .news-controls {
    margin-left: auto;
  }

  /* Business */
  .business-header,
  .business-grid,
  .feature-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .partners-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .business-header {
    gap: 0.85rem;
    margin-bottom: 1.75rem;
  }

  .business-heading,
  .why-heading,
  .shop-text h2,
  .medical-main h2 {
    font-size: 1.2rem;
  }

  .business-label-ja,
  .why-label-ja {
    font-size: 0.8125rem;
  }

  .business-intro,
  .business-card h3,
  .business-card p,
  .why-item h3,
  .shop-text p,
  .medical-main p {
    font-size: 0.75rem;
  }

  .why-item p,
  .medical-aside-en,
  .medical-aside-ja {
    font-size: 0.6875rem;
  }

  .business-intro br {
    display: none;
  }

  .business-all {
    align-self: start;
  }

  .business-img {
    margin-bottom: 0.85rem;
  }

  /* Shop: text over the photo */
  .shop-banner {
    display: flex;
    align-items: center;
    min-height: 380px;
  }

  .shop-banner-bg {
    position: absolute;
    inset: 0;
    height: auto;
    min-height: 0;
    max-height: none;
    background:
      linear-gradient(
        180deg,
        rgba(243, 239, 232, 0.92) 0%,
        rgba(243, 239, 232, 0.74) 52%,
        rgba(243, 239, 232, 0.4) 100%
      ),
      url("../assets/shop-banner.png") 70% center / cover no-repeat;
  }

  .shop-inner {
    padding-block: 2.25rem;
  }

  .shop-label {
    font-size: 0.6875rem;
  }

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

  /* Why us */
  .why-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0;
  }

  .why-item {
    display: grid;
    grid-template-columns: 44px 1fr;
    column-gap: 0.85rem;
    text-align: left;
    align-items: center;
    border-right: none !important;
    border-bottom: 1px solid var(--border);
    padding: 1.15rem 0.85rem;
  }

  .why-item:nth-child(n) {
    border-bottom: 1px solid var(--border);
  }

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

  .why-icon {
    grid-row: 1 / span 3;
    width: 40px;
    height: 40px;
    margin: 0;
  }

  .why-dot {
    display: none;
  }

  .why-item h3 {
    margin-bottom: 0.25rem;
  }

  .why-item p br {
    display: none;
  }

  /* Medical */
  .medical-banner {
    display: flex;
    align-items: center;
    min-height: 380px;
  }

  .medical-inner {
    padding-block: 2.25rem;
    gap: 1.25rem;
  }

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

  .medical-aside {
    max-width: none;
  }

  .medical-bg {
    background:
      linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.88) 0%,
        rgba(255, 255, 255, 0.72) 55%,
        rgba(255, 255, 255, 0.4) 100%
      ),
      url("../assets/medical-banner.png") center 40% / cover no-repeat;
  }

  /* Partners + feature */
  .section-header-row,
  .partners-header,
  .feature-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.65rem;
  }

  .partners-heading-ja,
  .feature-heading-ja {
    font-size: 1.15rem;
  }

  .feature-lead,
  .feature-card h3 {
    font-size: 0.75rem;
  }

  .partner-card {
    min-height: 0;
    padding: 1rem 0.7rem 0.85rem;
  }

  .partner-logo {
    height: 40px;
    margin-bottom: 0.65rem;
  }

  .partner-desc {
    font-size: 0.6875rem;
    padding-bottom: 0.65rem;
  }

  /* Footer CTA */
  .footer-cta {
    display: flex;
    align-items: center;
    min-height: 340px;
  }

  .footer-cta-bg {
    background:
      linear-gradient(180deg, rgba(10, 20, 48, 0.35) 0%, rgba(10, 20, 48, 0.15) 100%),
      url("../assets/cta.png") 70% center / cover no-repeat;
  }

  .footer-cta-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-block: 2.75rem;
  }

  .footer-cta-text h2 {
    font-size: 1.25rem;
  }

  .footer-cta-text p,
  .footer-cta-aside {
    font-size: 0.75rem;
  }

  .footer-cta-action {
    justify-self: stretch;
  }

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

  .footer-cta-aside {
    display: block;
    justify-self: start;
  }

  /* Site footer */
  .site-footer {
    padding-block: 2rem 1.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    text-align: left;
  }

  .footer-tagline {
    white-space: normal;
  }

  .footer-nav {
    justify-content: flex-start;
    gap: 0.7rem 1rem;
  }

  .footer-langs {
    justify-content: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .footer-logo img {
    width: 80px;
  }
}