:root {
  --ink: #1d1b18;
  --muted: #756d63;
  --paper: #fffaf2;
  --surface: #ffffff;
  --line: #eee4d5;
  --red: #b5362c;
  --red-dark: #87241e;
  --green: #386b50;
  --gold: #c7953e;
  --shadow: 0 22px 60px rgba(54, 33, 22, 0.16);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Noto Sans SC", system-ui, sans-serif;
  line-height: 1.65;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: #fff;
  transition: background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.site-header[data-elevated="true"] {
  color: var(--ink);
  background: rgba(255, 250, 242, 0.94);
  box-shadow: 0 8px 30px rgba(40, 24, 16, 0.12);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: currentColor;
  font-size: 12px;
  opacity: 0.82;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 700;
}

.desktop-nav a {
  opacity: 0.88;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-toggle,
.header-reserve {
  border: 1px solid currentColor;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  padding: 9px 14px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.header-reserve {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  overflow: hidden;
  color: #fff;
}

.hero-media,
.hero-shade,
.hero-content {
  grid-area: 1 / 1;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(20, 12, 6, 0.35), rgba(20, 12, 6, 0.05)),
    url("assets/images/hero-ramen.jpg") center / cover;
  transform: scale(1.02);
}

.hero-shade {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 22%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.16) 70%);
}

.hero-content {
  align-self: end;
  width: min(820px, 100%);
  padding: 150px clamp(22px, 6vw, 76px) 92px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 6.4vw, 82px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
}

.hero-actions,
.store-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 800;
}

.primary-btn {
  border: 1px solid var(--red);
  background: var(--red);
  color: #fff;
}

.primary-btn:hover {
  background: var(--red-dark);
}

.ghost-btn {
  border: 1px solid rgba(255, 255, 255, 0.75);
  color: #fff;
}

.ghost-btn.light {
  border-color: var(--line);
  color: var(--ink);
  background: #fff;
}

.quick-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.quick-info article {
  background: var(--surface);
  padding: 30px clamp(20px, 4vw, 56px);
}

.quick-info span {
  color: var(--red);
  font-weight: 800;
  font-size: 13px;
}

.quick-info strong {
  display: block;
  margin-top: 5px;
  font-size: 20px;
}

.quick-info p {
  margin: 8px 0 0;
  color: var(--muted);
}

.section {
  padding: clamp(64px, 9vw, 120px) clamp(20px, 6vw, 76px);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: center;
}

.section h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-text > p:not(.section-kicker),
.section-heading p:not(.section-kicker),
.safety-band > div > p:not(.section-kicker) {
  max-width: 720px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.chef-card {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 28px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.chef-card img {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  object-fit: cover;
}

.chef-card p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.image-stack {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 16px;
  align-items: end;
}

.image-stack img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.image-stack img + img {
  height: 340px;
  margin-bottom: -34px;
}

.menu-section {
  background: #fff;
}

.section-heading {
  display: grid;
  gap: 0;
  margin-bottom: 28px;
}

.menu-tabs {
  position: sticky;
  z-index: 10;
  top: 74px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.menu-tab {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  padding: 10px 16px;
  cursor: pointer;
  font-weight: 800;
}

.menu-tab.active {
  border-color: var(--red);
  background: var(--red);
  color: #fff;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}

.menu-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.menu-card img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.menu-card-body {
  padding: 18px;
}

.menu-card-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.menu-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

.menu-card .price {
  color: var(--red);
  font-weight: 800;
  white-space: nowrap;
}

.menu-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.tag {
  border-radius: 999px;
  background: #f6eee2;
  color: var(--red-dark);
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 800;
}

.safety-band {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1fr);
  gap: 34px;
  align-items: center;
  background: var(--green);
  color: #fff;
}

.safety-band .section-kicker {
  color: #f3c66e;
}

.safety-band p {
  color: rgba(255, 255, 255, 0.82) !important;
}

.safety-list {
  display: grid;
  gap: 12px;
}

.safety-list article {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.safety-list strong,
.safety-list span {
  display: block;
}

.safety-list span {
  color: rgba(255, 255, 255, 0.78);
  margin-top: 5px;
}

.franchise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.franchise-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 24px;
}

.franchise-grid strong {
  font-size: 20px;
}

.franchise-grid p {
  margin: 10px 0 0;
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 24px;
  background:
    linear-gradient(rgba(255, 250, 242, 0.88), rgba(255, 250, 242, 0.92)),
    url("assets/images/contact-restaurant.jpg") center / cover;
}

.store-panel,
.reserve-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  padding: clamp(22px, 4vw, 36px);
  box-shadow: 0 16px 46px rgba(55, 35, 22, 0.11);
}

.store-list {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
}

.store-list div {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.store-list dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.store-list dd {
  margin: 4px 0 0;
  font-weight: 700;
}

.reserve-form {
  display: grid;
  gap: 14px;
}

.reserve-form h2 {
  font-size: clamp(28px, 3vw, 40px);
}

.reserve-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.reserve-form input,
.reserve-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
}

.reserve-form input:focus,
.reserve-form textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(181, 54, 44, 0.12);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  gap: 12px;
}

.full {
  width: 100%;
  border-radius: var(--radius);
  cursor: pointer;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 24px;
  align-items: center;
  padding: 34px clamp(20px, 6vw, 76px);
  background: #1f1a16;
  color: #fff;
}

.site-footer p,
.site-footer small {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.footer-links {
  display: flex;
  gap: 18px;
  font-weight: 800;
}

.mobile-cta {
  display: none;
}

.toast {
  position: fixed;
  z-index: 50;
  right: 18px;
  bottom: 18px;
  max-width: 340px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1060px) {
  .desktop-nav {
    display: none;
  }

  .menu-grid,
  .franchise-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  body {
    padding-bottom: 66px;
  }

  .site-header {
    padding: 12px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-reserve {
    display: none;
  }

  .lang-toggle {
    padding: 8px 10px;
    font-size: 12px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 20%),
      linear-gradient(180deg, transparent 20%, rgba(0, 0, 0, 0.78) 100%);
  }

  .hero-content {
    padding: 120px 20px 78px;
  }

  .hero h1 {
    font-size: clamp(38px, 12vw, 58px);
  }

  .hero-copy {
    font-size: 16px;
  }

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

  .quick-info,
  .split,
  .safety-band,
  .contact-section,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .quick-info article {
    padding: 22px 20px;
  }

  .section {
    padding: 62px 20px;
  }

  .image-stack {
    grid-template-columns: 1fr;
  }

  .image-stack img,
  .image-stack img + img {
    height: 330px;
    margin: 0;
  }

  .menu-tabs {
    top: 63px;
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .menu-grid,
  .franchise-grid {
    grid-template-columns: 1fr;
  }

  .menu-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    min-height: 150px;
  }

  .menu-card img {
    height: 100%;
    min-height: 150px;
  }

  .menu-card-body {
    padding: 14px;
  }

  .menu-card h3 {
    font-size: 17px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .mobile-cta {
    position: fixed;
    z-index: 40;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    background: rgba(255, 250, 242, 0.96);
    backdrop-filter: blur(14px);
  }

  .mobile-cta a {
    display: grid;
    min-height: 62px;
    place-items: center;
    border-right: 1px solid var(--line);
    color: var(--ink);
    font-weight: 800;
  }

  .mobile-cta a:last-child {
    border-right: 0;
  }

  .toast {
    right: 12px;
    bottom: 78px;
    left: 12px;
    max-width: none;
  }
}

@media (max-width: 390px) {
  .menu-card {
    grid-template-columns: 1fr;
  }

  .menu-card img {
    height: 190px;
  }
}