/* ==========================================================================
   夢幻の里 春夏秋冬 - stylesheet
   ========================================================================== */

:root {
  --color-bg: #faf7f1;
  --color-bg-alt: #f1ebe0;
  --color-panel: #ffffff;
  --color-text: #2c2721;
  --color-text-soft: #6b6156;
  --color-primary: #465a41;
  --color-primary-dark: #2f3d2b;
  --color-accent: #ad8a4e;
  --color-line: #ddd3c2;
  --color-white: #ffffff;

  --font-serif: 'Shippori Mincho', serif;
  --font-sans: 'Noto Sans JP', sans-serif;

  --header-h: 84px;
  --container-w: 1160px;
  --transition: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.9;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only { display: none; }

/* ---------- Loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  background: var(--color-primary-dark);
  color: #efe6d3;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  font-family: var(--font-serif);
  letter-spacing: 0.15em;
  font-size: 1.1rem;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition), height var(--transition);
}

.site-header.is-scrolled {
  background: rgba(250, 247, 241, 0.94);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 18px rgba(44, 39, 33, 0.08);
  height: 68px;
}

.header-inner {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  color: var(--color-white);
  transition: color var(--transition);
}

.site-header.is-scrolled .brand {
  color: var(--color-primary-dark);
}

.brand-sub {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  opacity: 0.85;
}

.brand-main {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-white);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}

.site-header.is-scrolled .main-nav a {
  color: var(--color-text);
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--transition);
}

.main-nav a:hover::after {
  width: 100%;
}

.nav-cta {
  border: 1px solid currentColor;
  padding: 8px 18px !important;
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 600;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

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

.nav-toggle.is-open span {
  background: var(--color-text);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-primary-dark);
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center var(--hero-pos-mobile, center);
}

@media (min-width: 981px) {
  .hero-media {
    object-position: center var(--hero-pos-pc, 70%);
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 24, 15, 0.55) 0%, rgba(20, 24, 15, 0.35) 45%, rgba(20, 24, 15, 0.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: 0 20px;
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  opacity: 0.85;
  margin-bottom: 22px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.hero-lead {
  font-size: 1rem;
  letter-spacing: 0.04em;
  margin-bottom: 40px;
  opacity: 0.95;
}

.hero-actions {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 15px 34px;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

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

.btn-primary:hover {
  background: #96773f;
  transform: translateY(-2px);
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--color-white);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.scroll-cue {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 26px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 20px;
}

.scroll-cue span {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: #fff;
  border-radius: 50%;
  animation: scrollCue 1.8s ease infinite;
}

@keyframes scrollCue {
  0% { top: 8px; opacity: 1; }
  70% { top: 26px; opacity: 0; }
  100% { top: 26px; opacity: 0; }
}

/* ---------- Sections common ---------- */
.section {
  padding: 110px 0;
  position: relative;
}

.section-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--color-accent);
  margin-bottom: 14px;
  font-weight: 500;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.6;
  margin-bottom: 28px;
  color: var(--color-primary-dark);
}

.section-lead {
  max-width: 640px;
  color: var(--color-text-soft);
  margin-bottom: 20px;
}

.section-note {
  font-size: 0.82rem;
  color: var(--color-text-soft);
  border-left: 2px solid var(--color-accent);
  padding-left: 12px;
  margin-bottom: 50px;
}

.concept, .season, .guide {
  text-align: center;
}

.concept .section-title,
.baths .section-title,
.season .section-title,
.guide .section-title {
  margin-left: auto;
  margin-right: auto;
}

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

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

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

/* ---------- News ---------- */
.news {
  background: var(--color-bg);
  text-align: center;
  padding-top: 150px;
}

.news .section-eyebrow,
.news .section-title {
  margin-left: auto;
  margin-right: auto;
}

.news-list {
  max-width: 720px;
  margin: 40px auto 0;
  text-align: left;
  border-top: 1px solid var(--color-line);
}

.news-item {
  display: grid;
  grid-template-columns: 110px 100px 1fr;
  align-items: baseline;
  gap: 20px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--color-line);
}

.news-item time {
  grid-column: 1;
  font-family: var(--font-serif);
  color: var(--color-primary-dark);
  font-size: 0.92rem;
  letter-spacing: 0.03em;
}

.news-tag {
  grid-column: 2;
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  padding: 3px 10px;
  width: fit-content;
}

.news-item p {
  grid-column: 3;
  color: var(--color-text-soft);
  font-size: 0.92rem;
}

.news-empty {
  padding: 40px 4px;
  border-bottom: 1px solid var(--color-line);
  text-align: center;
  color: var(--color-text-soft);
  font-size: 0.92rem;
}

.news-instagram-link {
  display: inline-block;
  margin-top: 30px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 3px;
  transition: opacity var(--transition);
}

.news-instagram-link:hover { opacity: 0.7; }

/* ---------- Concept ---------- */
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  text-align: left;
  margin-top: 20px;
}

.concept-text p {
  margin-bottom: 20px;
  color: var(--color-text-soft);
}

.concept-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.concept-images img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 3px;
}

.concept-images img:nth-child(2) {
  margin-top: 36px;
}

/* ---------- Onsen ---------- */
.onsen { background: var(--color-primary-dark); color: #efe9dc; }

.onsen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.onsen-image img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: 3px;
}

.onsen .section-eyebrow { color: #cdb589; }
.onsen .section-title { color: #f5efe0; }
.onsen-text p { color: rgba(239, 233, 220, 0.82); margin-bottom: 18px; }

.onsen-facts {
  margin-top: 28px;
  border-top: 1px solid rgba(239, 233, 220, 0.25);
}

.onsen-facts li {
  display: flex;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(239, 233, 220, 0.25);
  font-size: 0.92rem;
}

.onsen-facts li span {
  flex: 0 0 90px;
  color: #cdb589;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

/* ---------- Baths ---------- */
.baths { background: var(--color-bg-alt); text-align: center; }
.baths .section-lead { margin-left: auto; margin-right: auto; text-align: center; }
.baths .section-note { margin-left: auto; margin-right: auto; text-align: left; display: inline-block; }

.bath-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}

.bath-card {
  background: var(--color-panel);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(44, 39, 33, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.bath-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(44, 39, 33, 0.12);
}

.bath-card-image {
  height: 230px;
  overflow: hidden;
}

.bath-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

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

.bath-card-body {
  padding: 24px 24px 28px;
}

.bath-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.tentative {
  font-size: 0.65rem;
  color: var(--color-text-soft);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.bath-card-body p {
  font-size: 0.88rem;
  color: var(--color-text-soft);
  margin-bottom: 14px;
}

.bath-price {
  font-size: 0.8rem !important;
  color: var(--color-accent) !important;
  letter-spacing: 0.05em;
  margin-bottom: 0 !important;
}

/* ---------- Facility ---------- */
.facility { background: var(--color-bg); }

.facility-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.facility-image img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border-radius: 3px;
}

.facility-text p {
  color: var(--color-text-soft);
  margin-bottom: 18px;
}

/* ---------- Season ---------- */
.season { background: var(--color-bg-alt); }

.season-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.season-item {
  position: relative;
  border-radius: 3px;
  overflow: hidden;
  height: 320px;
}

.season-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.season-item:hover img {
  transform: scale(1.08);
}

.season-item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 16px 14px;
  background: linear-gradient(0deg, rgba(20, 24, 15, 0.75) 0%, rgba(20, 24, 15, 0) 100%);
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

/* ---------- Guide ---------- */
.guide { background: var(--color-bg); }

.guide-grid { display: flex; justify-content: center; }

.guide-table {
  max-width: 640px;
  width: 100%;
  text-align: left;
  border-top: 1px solid var(--color-line);
}

.guide-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--color-line);
}

.guide-row dt {
  font-family: var(--font-serif);
  color: var(--color-primary-dark);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.guide-row dd {
  color: var(--color-text-soft);
}

.guide-row small {
  font-size: 0.78rem;
  color: #9a8f80;
}

/* ---------- Access ---------- */
.access { background: var(--color-bg-alt); }

.access-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: stretch;
}

.access-address {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 30px;
  color: var(--color-primary-dark);
  line-height: 1.8;
}

.access-block { margin-bottom: 24px; }

.access-block h3 {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.access-block p {
  color: var(--color-text-soft);
  font-size: 0.92rem;
}

.access-map {
  min-height: 340px;
  border-radius: 3px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(44, 39, 33, 0.08);
}

.access-map iframe {
  width: 100%;
  height: 100%;
  min-height: 340px;
  border: 0;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--color-primary-dark);
  color: #efe9dc;
  text-align: center;
}

.contact-inner { max-width: 560px; }

.contact .section-eyebrow { color: #cdb589; }
.contact .section-title { color: #f5efe0; margin-left: auto; margin-right: auto; }

.contact-lead {
  color: rgba(239, 233, 220, 0.82);
  margin-bottom: 30px;
}

.contact-tel {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: 0.04em;
  color: #f5efe0;
  border-bottom: 1px solid rgba(245, 239, 224, 0.4);
  padding-bottom: 6px;
  margin-bottom: 16px;
  transition: color var(--transition), border-color var(--transition);
}

.contact-tel:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.contact-note {
  font-size: 0.82rem;
  color: rgba(239, 233, 220, 0.65);
  margin-bottom: 34px;
}

.contact-instagram {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  border: 1px solid rgba(245, 239, 224, 0.35);
  padding: 12px 26px;
  border-radius: 2px;
  transition: background var(--transition), border-color var(--transition);
}

.contact-instagram span {
  font-weight: 500;
  color: var(--color-accent);
}

.contact-instagram:hover {
  background: rgba(245, 239, 224, 0.08);
  border-color: rgba(245, 239, 224, 0.6);
}

/* ---------- Footer ---------- */
.site-footer {
  background: #201d18;
  color: rgba(239, 233, 220, 0.7);
  padding: 50px 0 30px;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: #f5efe0;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.footer-address {
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.footer-instagram {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(239, 233, 220, 0.4);
  margin-bottom: 26px;
}

.footer-copy {
  font-size: 0.72rem;
  color: rgba(239, 233, 220, 0.4);
}

/* ---------- Mobile call button ---------- */
.mobile-call-btn {
  display: none;
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 400;
  background: var(--color-accent);
  color: #fff;
  text-align: center;
  padding: 14px;
  border-radius: 4px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 24px rgba(44, 39, 33, 0.28);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1180px) {
  .header-inner { padding: 0 18px; }

  .brand-main { font-size: 1.02rem; }
  .brand-sub { font-size: 0.55rem; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    height: calc(100svh - var(--header-h));
    background: var(--color-bg);
    transform: translateX(100%);
    transition: transform var(--transition);
    display: flex;
    align-items: center;
    overflow-y: auto;
  }

  .main-nav.is-open { transform: translateX(0); }

  body.is-resizing .main-nav { transition: none; }

  .main-nav ul {
    flex-direction: column;
    width: 100%;
    padding: 40px 32px;
    gap: 0;
  }

  .main-nav li { width: 100%; border-bottom: 1px solid var(--color-line); }

  .main-nav a {
    display: block;
    padding: 18px 4px;
    color: var(--color-text) !important;
    font-size: 1rem;
  }

  .nav-cta {
    border: none !important;
    color: var(--color-accent) !important;
    padding: 18px 4px !important;
  }

  .nav-toggle { display: flex; }
}

@media (max-width: 980px) {
  .concept-grid,
  .onsen-grid,
  .facility-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .facility-image img,
  .onsen-image img { height: 320px; }

  .onsen-image { order: 2; }

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

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

  .access-grid { grid-template-columns: 1fr; }
  .access-map { min-height: 280px; }
  .access-map iframe { min-height: 280px; }
}

@media (max-width: 760px) {
  .sp-only { display: inline; }

  :root { --header-h: 64px; }

  .section { padding: 80px 0; }

  .concept-images { grid-template-columns: 1fr; }
  .concept-images img { height: 220px; }
  .concept-images img:nth-child(2) { margin-top: 0; }

  .bath-grid { grid-template-columns: 1fr; }
  .season-grid { grid-template-columns: 1fr; }
  .season-item { height: 260px; }

  .guide-row { grid-template-columns: 1fr; gap: 6px; }

  .news { padding-top: 90px; }
  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .news-item time,
  .news-item .news-tag,
  .news-item p {
    grid-column: 1;
  }

  .hero-actions { flex-direction: column; align-items: center; width: 100%; }
  .hero-actions .btn { width: 100%; max-width: 280px; text-align: center; }

  .mobile-call-btn { display: block; }
}