:root {
  --color-primary: #0078c2;
  --color-secondary: #222222;
  --color-accent: #ffd54a;
  --color-text-dark: #222222;
  --color-text-light: #fdfdfd;
  --color-bg-light: #fafafa;
  --color-bg-dark: #151515;
  --radius-card: 14px;
  --shadow-soft: 0 8px 24px rgba(0,0,0,0.08);
  --font-serif: "M PLUS Rounded 1c", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-sans);
  line-height: 1.8;
  color: var(--color-text-dark);
  background-color: var(--color-bg-light);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  padding: 80px 0;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  text-align: center;
  margin: 0 0 40px;
  color: var(--color-primary);
  position: relative;
  letter-spacing: 0.14em;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14px;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 999px;
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}
.site-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  letter-spacing: 0.16em;
}
.site-title a {
  color: var(--color-text-light);
  text-decoration: none;
}
.nav ul {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav a {
  color: var(--color-text-light);
  font-size: 0.9rem;
  text-decoration: none;
  position: relative;
  padding-bottom: 3px;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.25s ease;
}
.nav a:hover::after {
  width: 100%;
}
.lang-switcher {
  font-size: 0.8rem;
  color: var(--color-text-light);
}
.lang-switcher button {
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  padding: 0;
  margin: 0 2px;
  font-size: 0.8rem;
}
.lang-switcher button.active {
  color: var(--color-accent);
  font-weight: 700;
}
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 120px 0 60px;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.45), rgba(0,0,0,0.82)),
    url("fallback_sassoku.jpg") center center / cover no-repeat;
  color: var(--color-text-light);
}
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 70px;
  background: linear-gradient(to bottom, rgba(0,0,0,0), var(--color-bg-light));
}
.hero .container {
  position: relative;
  z-index: 1;
}
.hero-content {
  max-width: 640px;
}
.catchphrase {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  margin: 0 0 12px;
}
.main-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  margin: 0 0 14px;
  letter-spacing: 0.18em;
}
.description {
  font-size: 0.98rem;
  margin: 0 0 22px;
  color: var(--color-text-light);
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
  gap: 6px;
}
.large-button {
  font-size: 0.95rem;
}
.primary-button {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-light);
  box-shadow: 0 8px 18px rgba(0,0,0,0.4);
}
.primary-button:hover {
  background: #005a93;
  border-color: #005a93;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.5);
}
.secondary-button {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.secondary-button:hover {
  background: var(--color-accent);
  color: #222;
}
#about .content-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.4fr);
  gap: 40px;
  align-items: center;
}
#about .text-content p {
  margin-bottom: 12px;
  font-size: 0.95rem;
}
#about .image-content img {
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}
.gbp-widget-container {
  background: #ffffff;
  padding: 14px 14px 12px;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  font-size: 0.88rem;
}
.hours-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
}
.hours-list li {
  padding: 4px 0;
  border-bottom: 1px dotted #eee;
  font-size: 0.94rem;
}
.hours-list li:last-child {
  border-bottom: none;
}
.hours-note {
  margin: 6px 0 0;
  font-size: 0.8rem;
  color: #777;
}
.photo-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}
.photo-item img {
  border-radius: 10px;
  object-fit: cover;
  width: 100%;
  height: 110px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.18);
}
@media (max-width: 768px) {
  .photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
#reviews.section {
  background: #ffffff;
}
.review-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}
.review-item {
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  padding: 10px 12px 8px;
  font-size: 0.8rem;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.review-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.08);
}
.review-author {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-primary);
}
.review-rating {
  margin-left: 4px;
  font-weight: 400;
  color: #666;
  font-size: 0.76rem;
}
.review-text {
  margin: 0 0 4px;
  line-height: 1.6;
}
.review-time {
  display: block;
  font-size: 0.7rem;
  color: #999;
}
.review-toggle {
  display: inline-block;
  margin: 0 0 4px;
  padding: 2px 10px;
  font-size: 0.72rem;
  border-radius: 999px;
  border: 1px solid #ddd;
  background: #fafafa;
  cursor: pointer;
  color: #666;
  transition: all 0.2s ease;
}
.review-toggle:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.dark-bg {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
}
.text-light {
  color: var(--color-text-light);
}
#access .section-title {
  color: var(--color-text-light);
}
#access .section-title::after {
  background: var(--color-accent);
}
.access-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.8fr);
  gap: 24px;
  align-items: flex-start;
}
.access-info h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  color: var(--color-accent);
}
.access-info p {
  margin: 0 0 6px;
  font-size: 0.9rem;
}
.access-map iframe {
  width: 100%;
  height: 260px;
  border: none;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.35);
}
#opening-hours-widget {
  grid-column: 1 / -1;
  max-width: 420px;
  margin: 12px auto 0;
  background: rgba(0,0,0,0.6);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.84rem;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
}
#opening-hours-widget h3 {
  margin: 0 0 6px;
  font-size: 0.96rem;
  color: var(--color-accent);
  text-align: center;
}
#opening-hours-widget ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
#opening-hours-widget li {
  display: flex;
  justify-content:space-between;
  padding: 3px 0;
  border-bottom: 1px dotted rgba(255,255,255,0.15);
}
#opening-hours-widget li:last-child {
  border-bottom: none;
}
#opening-hours-widget strong {
  color: var(--color-accent);
}
.footer {
  background: #000;
  color: var(--color-text-light);
  text-align: center;
  padding: 16px 0;
  font-size: 0.78rem;
}
@media (max-width: 900px) {
  .hero {
    min-height: 70vh;
    padding: 96px 0 40px;
  }
  .main-title {
    font-size: 2.4rem;
  }
  #about .content-wrapper,
  .access-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .nav ul {
    flex-wrap: wrap;
    gap: 10px;
  }
  .hero {
    padding-top: 110px;
  }
  .catchphrase {
    font-size: 0.8rem;
    letter-spacing: 0.16em;
  }
  .main-title {
    font-size: 2rem;
    letter-spacing: 0.14em;
  }
  .description {
    font-size: 0.9rem;
  }
  .section {
    padding: 56px 0;
  }
  .review-list {
    grid-template-columns: 1fr;
  }
}