:root {
  
  --color-bg:          #f7f3ec;   
  --color-bg-alt:      #efe9de;   
  --color-ink:         #2b2b2b;   
  --color-accent:      #7a5c3c;   
  --color-accent-dark: #5a3e26;   
  --color-gold:        #c9a86c;   
  --color-white:       #ffffff;   

  
  --font-serif:  'Noto Serif JP', 'ヒラギノ明朝 ProN', 'HiraMinProN-W3', 'Yu Mincho', serif;
  --font-sans:   'Noto Sans JP', 'ヒラギノ角ゴ ProN', sans-serif;
  --font-soft:   'Zen Maru Gothic', 'ヒラギノ丸ゴ ProN', sans-serif;

  --text-xs:   0.75rem;   
  --text-sm:   0.875rem;  
  --text-md:   1.125rem;  
  --text-xl:   1.75rem;   
  --text-2xl:  2.25rem;   
  --text-hero: clamp(2.5rem, 6vw, 5rem);

  
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;

  
  --container-max: 1100px;
  --container-pad: 1.5rem;

  
  --transition-base: 0.25s ease;
  --transition-slow: 0.5s ease;

  
  --radius-sm: 4px;
  --radius-md: 8px;

  
  --shadow-sm: 0 2px 8px rgba(43, 43, 43, 0.08);
  --shadow-md: 0 6px 20px rgba(43, 43, 43, 0.12);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  width: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  width: 100%;
}

.site-wrapper {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  overflow-y: visible;
  position: relative;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-base);
}

a:hover {
  opacity: 0.7;
}

ul,
ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-2xl);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section__label {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-md);
  margin-bottom: 0;
}

.section__label::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 1px;
  background: var(--color-gold);
}

.btn {
  display: inline-block;
  padding: 0.75em 2.5em;
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  letter-spacing: 0.15em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              opacity var(--transition-base);
  text-decoration: none;
  border: 1px solid transparent;
}

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

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  opacity: 1;
  box-shadow: var(--shadow-md);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: transparent;
  transition: background-color var(--transition-slow),
              box-shadow var(--transition-slow);
}

.site-header.is-scrolled {
  background-color: rgba(247, 243, 236, 0.96);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-header__logo {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-white);
  transition: color var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.site-header.is-scrolled .site-header__logo {
  color: var(--color-ink);
}

.logo-hex {
  display: inline-block;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.logo-hex__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo-hex--lg {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-sm);
  filter: invert(1);
}

.site-header__nav {
  display: flex;
  align-items: center;
}

.site-header__menu {
  display: flex;
  gap: var(--space-lg);
}

.site-header__menu a {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition-base), opacity var(--transition-base);
}

.site-header__menu a:hover {
  opacity: 1;
  color: var(--color-gold);
}

.site-header.is-scrolled .site-header__menu a {
  color: var(--color-ink);
}

.site-header__menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.site-header__menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-white);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header.is-scrolled .site-header__menu-toggle span {
  background-color: var(--color-ink);
}

.site-header__menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.site-header__menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.site-header__menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header__menu-toggle[aria-expanded="true"] span {
  background-color: var(--color-ink);
}

.hero {
  position: relative;
  width: 100%;
  height: 190svh;
  min-height: 950px;
  text-align: center;
}

.hero__sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100svh;
  min-height: 500px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero__slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero__slider::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(20, 15, 8, 0.45) 0%,
    rgba(20, 15, 8, 0.25) 50%,
    rgba(20, 15, 8, 0.55) 100%
  );
  z-index: 2;
  pointer-events: none;
}

.hero__content {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding-inline: var(--container-pad);
  pointer-events: none;
  will-change: opacity, transform;
}

.hero__title {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  animation: fadeInUp 1s 0.2s ease both;
}

.hero__story {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: clamp(5rem, 12vh, 8rem) var(--container-pad) clamp(4rem, 10vh, 7rem);
  opacity: 0;
  pointer-events: none;
  will-change: opacity, transform;
}

.hero__story-inner {
  width: min(100%, 740px);
  padding: clamp(1.5rem, 3.5vw, 2.5rem) clamp(1.25rem, 4vw, 3.5rem);
  color: var(--color-white);
  font-family: var(--font-soft);
  text-align: center;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.8);
}

.hero__story p {
  margin-bottom: clamp(1rem, 2.5vh, 1.75rem);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 2;
  letter-spacing: 0.04em;
}

.hero__story p:first-child {
  margin-bottom: clamp(1.25rem, 3vh, 2rem);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.hero__story p:last-child {
  margin-bottom: 0;
}

.hero__slides {
  position: relative;
  width: 100%;
  height: 100%;
  background: #1a1410;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  animation: heroSlideFade 15s infinite;
}

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero__slide:nth-child(1) { animation-delay: 0s; }
.hero__slide:nth-child(2) { animation-delay: 5s; }
.hero__slide:nth-child(3) { animation-delay: 10s; }

@keyframes heroSlideFade {
  0%   { opacity: 0; }
  5%   { opacity: 1; }
  33%  { opacity: 1; }
  38%  { opacity: 0; }
  100% { opacity: 0; }
}

.hero__sticky::after {
  content: '';
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.6));
  z-index: 2;
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%   { opacity: 0; transform: translateX(-50%) scaleY(0); transform-origin: top; }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(-50%) scaleY(1); transform-origin: top; }
}

.news {
  background-color: var(--color-bg-alt);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.topics-grid > .js-reveal:nth-child(2) {
  transition-delay: 0.1s;
}

.topics-grid > .js-reveal:nth-child(3) {
  transition-delay: 0.2s;
}

.topic-card {
  height: 100%;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.topic-card__img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.topic-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.topic-card:hover .topic-card__img-wrap img {
  transform: scale(1.05);
}

.topic-card__content {
  padding: var(--space-md) var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.topic-card__text {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-ink);
  line-height: 1.8;
  text-align: left;
  text-wrap: pretty;
  margin-block: 0;
}

.local-map {
  background-color: var(--color-bg);
}

.spot-card__badge {
  align-self: flex-start;
  display: inline-block;
  padding: 0.15em 0.6em;
  margin-bottom: var(--space-xs);
  border-radius: 2px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
}

.gallery {
  background-color: var(--color-bg-alt);
}

.gallery-grid {
  margin-bottom: var(--space-xl);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.gallery-grid img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  width: 100%;
}

.gallery__cta {
  text-align: center;
}

.site-footer {
  background-color: var(--color-ink);
  color: var(--color-white);
  padding-top: var(--space-xl);
  font-family: var(--font-sans);
  font-size: var(--text-sm); 
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  position: relative;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  width: 100%;
  max-width: var(--container-max);
  box-sizing: border-box;
}

.site-footer__inner > * {
  min-width: 0;
  max-width: 100%;
}

.site-footer__brand,
.site-footer__info,
.site-footer__nav,
.site-footer__col {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.site-footer__logo {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-xs);
  color: var(--color-gold);
}

.site-footer__dl {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.site-footer__dl dt {
  color: var(--color-gold);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-top: var(--space-sm);
}

.site-footer__dl dt:first-child {
  margin-top: 0;
}

.site-footer__dl dd {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0;
}

.site-footer__map {
  position: relative;
  min-width: 0;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.site-footer__map iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.site-footer__nav-title {
  color: var(--color-gold);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.site-footer__nav ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.site-footer__nav a {
  letter-spacing: 0.1em;
  transition: color var(--transition-base);
}

.site-footer__nav a:hover {
  color: var(--color-gold);
  opacity: 1;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-block: var(--space-md);
  text-align: center;
}

.site-footer__copy {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.4);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.js-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.js-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  :root {
    --text-2xl: 1.75rem;
    --space-2xl: 4rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --space-xl:  2.5rem;
    --space-2xl: 3.5rem;
  }

  
  .site-header__menu-toggle {
    display: flex;
    z-index: 10;
  }

  
  .site-header__menu {
    position: fixed;
    inset: 0;
    background-color: rgba(247, 243, 236, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
  }

  .site-header__menu.is-open {
    transform: translateX(0);
  }

  .site-header__menu a {
    color: var(--color-ink) !important;
    font-size: var(--text-xl);
    letter-spacing: 0.15em;
  }

  .hero {
    height: 185svh;
    min-height: 900px;
  }

  .hero__story {
    padding: 5.5rem 1rem 4.5rem;
  }

  .hero__story-inner {
    padding: 1.25rem 0;
  }

  .hero__story p {
    margin-bottom: 1.15rem;
    font-size: 0.92rem;
    line-height: 1.95;
    letter-spacing: 0.005em;
  }

  .hero__story p:first-child {
    margin-bottom: 1.4rem;
    font-size: 1.3rem;
  }

  
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .site-footer__map {
    aspect-ratio: 16 / 9;
    min-height: 220px;
  }

  
  .hero__title {
    font-size: clamp(2rem, 10vw, 3.5rem);
  }

}

@media (max-width: 360px) {
  :root {
    --container-pad: 1rem;
  }
}