/*
Theme Name: Hostel NABLA
Theme URI: https://hostel-nabla.com
Author: NABLA
Description: 海と静寂 — 新島のホステルNABLAのための洗練されたカスタムテーマ
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: nabla
*/

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  --color-sand:    #f5f0e8;
  --color-beige:   #c8b99a;
  --color-ocean:   #4a6fa5;
  --color-navy:    #1a2e44;
  --color-white:   #ffffff;
  --color-text:    #2a2a2a;
  --color-muted:   #888070;

  --font-serif-en: 'Cormorant Garamond', 'Georgia', serif;
  --font-serif-ja: 'Noto Serif JP', 'ヒラギノ明朝 ProN', serif;
  --font-sans:     'Helvetica Neue', 'Arial', sans-serif;

  --spacing-xs:  0.5rem;
  --spacing-sm:  1rem;
  --spacing-md:  2rem;
  --spacing-lg:  4rem;
  --spacing-xl:  7rem;

  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1180px;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-serif-ja);
  background-color: var(--color-white);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.7; }
ul { list-style: none; }

/* ============================================================
   Typography
   ============================================================ */
.heading-en {
  font-family: var(--font-serif-en);
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.04em;
  line-height: 1.15;
}

.heading-ja {
  font-family: var(--font-serif-ja);
  font-weight: 400;
  letter-spacing: 0.15em;
}

.label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section { overflow: hidden; }

/* ============================================================
   Site Header / Navigation
   ============================================================ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

#site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  padding: 1rem 2.5rem;
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
  backdrop-filter: blur(8px);
}

.site-logo {
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.1em;
  color: var(--color-white);
  transition: color var(--transition);
}

#site-header.scrolled .site-logo { color: var(--color-navy); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.site-nav a {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  transition: color var(--transition);
}

#site-header.scrolled .site-nav a { color: var(--color-navy); }
.site-nav a:hover { opacity: 1; color: var(--color-beige) !important; }

.nav-book {
  padding: 0.55rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 2px;
  color: var(--color-white) !important;
  transition: all var(--transition) !important;
}

#site-header.scrolled .nav-book {
  border-color: var(--color-navy);
  color: var(--color-navy) !important;
}

.nav-book:hover {
  background: var(--color-white) !important;
  color: var(--color-navy) !important;
  border-color: var(--color-white) !important;
  opacity: 1 !important;
}

#site-header.scrolled .nav-book:hover {
  background: var(--color-navy) !important;
  color: var(--color-white) !important;
  border-color: var(--color-navy) !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: all var(--transition);
}
#site-header.scrolled .nav-toggle span { background: var(--color-navy); }
.nav-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ============================================================
   Hero Slideshow
   ============================================================ */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  color: var(--color-white);
  overflow: hidden;
}

/* 各スライド */
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--spacing-xl);
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
}

.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-color: var(--color-navy);
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 8s ease-out;
}

.hero-slide.active .hero-bg {
  transform: scale(1);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26, 46, 68, 0.7) 0%,
    rgba(26, 46, 68, 0.2) 50%,
    transparent 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 2.5rem;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-beige);
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease 0.3s, transform 0.7s ease 0.3s;
}

.hero-title {
  font-family: var(--font-serif-en);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.05;
  margin-bottom: 1.2rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease 0.5s, transform 0.7s ease 0.5s;
}

.hero-sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
  font-weight: 300;
  letter-spacing: 0.12em;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease 0.7s, transform 0.7s ease 0.7s;
}

.hero-slide.active .hero-eyebrow,
.hero-slide.active .hero-title,
.hero-slide.active .hero-sub {
  opacity: 1;
  transform: translateY(0);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  writing-mode: vertical-rl;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  opacity: 0;
  animation: fadeIn 1s ease 1.4s forwards;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.4);
  animation: lineDown 1.5s ease-in-out 1.8s infinite;
}


/* Dots */
.hero-dots {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 0.6rem;
}

.hero-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.5);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), border-color var(--transition);
}

.hero-dot.active {
  background: var(--color-white);
  border-color: var(--color-white);
}

/* Prev / Next */
.hero-prev,
.hero-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  width: 2.8rem;
  height: 2.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  border-radius: 2px;
  transition: background var(--transition), color var(--transition);
}

.hero-prev { left: 1.5rem; }
.hero-next { right: 1.5rem; }

.hero-prev:hover,
.hero-next:hover {
  background: rgba(255,255,255,0.18);
  color: var(--color-white);
}

@media (max-width: 768px) {
  .hero-prev, .hero-next { display: none; }
}

/* ============================================================
   Section Common
   ============================================================ */
.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-header .label {
  display: block;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-family: var(--font-serif-en);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.15;
  color: var(--color-navy);
}

.section-header h2 .ja {
  display: block;
  font-family: var(--font-serif-ja);
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-muted);
  margin-top: 0.5rem;
}

.section-header p {
  margin-top: 1.2rem;
  font-size: 0.95rem;
  color: var(--color-muted);
  max-width: 540px;
  line-height: 2;
}

/* ============================================================
   Concept
   ============================================================ */
#concept {
  padding: var(--spacing-xl) 0;
  background: var(--color-sand);
}

.concept-inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.concept-text { padding-right: var(--spacing-md); }

.concept-text .label { margin-bottom: 1rem; }

.concept-text h2 {
  font-family: var(--font-serif-en);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-navy);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.concept-text p {
  font-size: 0.95rem;
  line-height: 2.1;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.concept-image {
  position: relative;
}

.concept-image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.concept-image::before {
  content: '';
  position: absolute;
  top: -1.5rem;
  right: -1.5rem;
  width: 60%;
  height: 60%;
  border: 1px solid var(--color-beige);
  z-index: -1;
}

/* ============================================================
   Rooms
   ============================================================ */
#rooms {
  padding: var(--spacing-xl) 0;
}

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--color-beige);
}

.room-card {
  background: var(--color-white);
  overflow: hidden;
}

.room-card-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.room-card:hover .room-card-image { transform: scale(1.04); }

.room-card-body { padding: 1.8rem; }

.room-card-type {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-beige);
  margin-bottom: 0.5rem;
}

.room-card-name {
  font-family: var(--font-serif-en);
  font-size: 1.5rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
}

.room-card-name-ja {
  font-family: var(--font-serif-ja);
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.room-card-price {
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-ocean);
}

.room-card-price small {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  color: var(--color-muted);
  font-weight: 400;
  margin-left: 0.3rem;
  letter-spacing: 0.05em;
}

.room-card-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.85;
  margin-top: 0.75rem;
}

/* Gallery Carousel */
.gallery-carousel-outer {
  overflow: hidden;
  margin-top: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
}

.gallery-carousel {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  will-change: transform;
}

.gallery-carousel-item {
  flex-shrink: 0;
  width: 400px;
}

.gallery-carousel-img {
  width: 400px;
  height: 300px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.gallery-caption {
  font-size: 0.78rem;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  margin-top: 0.5rem;
  text-align: right;
}

/* ============================================================
   Amenities
   ============================================================ */
#amenities {
  padding: var(--spacing-xl) 0;
  background: var(--color-navy);
  color: var(--color-white);
}

#amenities .section-header h2 { color: var(--color-sand); }
#amenities .label { color: var(--color-beige); }
#amenities .section-header .ja { color: var(--color-beige); opacity: 0.6; }

.amenities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.amenity-item {
  padding: 1.2rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.amenity-name {
  font-family: var(--font-serif-en);
  font-size: 0.9rem;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.06em;
  color: var(--color-sand);
  margin-bottom: 0.25rem;
}

.amenity-name-ja {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.12em;
}

/* ============================================================
   Activities
   ============================================================ */
#activities {
  padding: var(--spacing-xl) 0;
}

.activities-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  align-items: start;
}

/* アクティビティ カードグリッド */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: var(--spacing-md);
}

.activity-card {
  display: flex;
  flex-direction: column;
}

.activity-card-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--color-sand);
  margin-bottom: 1.2rem;
}

.activity-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.activity-card:hover .activity-card-img img {
  transform: scale(1.04);
}

.activity-card-img--empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.activity-card-img--empty span {
  font-family: var(--font-serif-en);
  font-style: italic;
  color: var(--color-beige);
  font-size: 0.9rem;
}

.activity-card-title {
  font-family: var(--font-serif-en);
  font-size: 1.2rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-navy);
  margin-bottom: 0.3rem;
}

.activity-card-ja {
  font-size: 0.72rem;
  color: var(--color-muted);
  letter-spacing: 0.12em;
  margin-bottom: 0.8rem;
}

.activity-card-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.9;
}

/* ティッカーラッパー（非使用・保持） */
.activities-ticker-wrap {
  position: relative;
  height: 20rem;
  overflow: hidden;
  background: var(--color-beige);
}

.activities-ticker-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 5rem;
  background: linear-gradient(to bottom, transparent, var(--color-white));
  pointer-events: none;
  z-index: 1;
}

.activities-list {
  display: flex;
  flex-direction: column;
  gap: 1.5px;
  will-change: transform;
}

.activity-item {
  background: var(--color-white);
  padding: 1.4rem 1.6rem;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: border-color var(--transition), background var(--transition);
  flex-shrink: 0;
}

.activity-item.active,
.activity-item:hover {
  border-left-color: var(--color-ocean);
  background: var(--color-sand);
}

.activity-item-name {
  font-family: var(--font-serif-en);
  font-size: 1.1rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-navy);
}

.activity-item-name-ja {
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  margin-top: 0.2rem;
}

.activity-feature {
  position: sticky;
  top: 6rem;
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
}

.activity-feature-image {
  width: 400px;
  max-width: 100%;
  height: 300px;
  aspect-ratio: unset;
  object-fit: cover;
  margin-bottom: 1.8rem;
  display: block;
}

.activity-feature-body {}
.activity-feature-title {
  font-family: var(--font-serif-en);
  font-size: 1.8rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-navy);
  margin-bottom: 0.4rem;
}

.activity-feature-title-ja {
  font-size: 0.8rem;
  color: var(--color-muted);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.activity-feature-desc {
  font-size: 0.88rem;
  color: var(--color-muted);
  line-height: 2.1;
  white-space: pre-wrap;
}

/* ============================================================
   Rates / Booking
   ============================================================ */
#rates {
  padding: var(--spacing-xl) 0;
  background: var(--color-sand);
}

#rates .section-header {
  max-width: 820px;
}

.rates-desc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 4rem;
  margin-bottom: var(--spacing-lg);
}

.rates-desc-ja {
  line-height: 2.2;
  color: var(--color-text);
}

.rates-desc-en {
  line-height: 2.2;
  font-size: 0.82rem;
  color: var(--color-muted);
}

@media (max-width: 640px) {
  .rates-desc-row {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
}

.rates-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
}

.rates-table th {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-align: left;
  padding: 0.9rem 1.5rem;
  border-bottom: 1.5px solid var(--color-beige);
}

.rates-table td {
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid rgba(200, 185, 154, 0.3);
  vertical-align: top;
}

.rates-table tr:last-child td { border-bottom: none; }

.rates-table .rate-name {
  font-family: var(--font-serif-en);
  font-size: 1rem;
  font-style: italic;
  color: var(--color-navy);
}

.rates-table .rate-name-ja {
  font-size: 0.72rem;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  margin-top: 0.2rem;
}

.rates-table .rate-price {
  font-family: var(--font-serif-en);
  font-size: 1.1rem;
  color: var(--color-ocean);
  white-space: nowrap;
}

.rates-table .rate-note {
  font-size: 0.78rem;
  color: var(--color-muted);
  line-height: 1.8;
}

.booking-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.booking-btn-en {
  min-width: 160px;
  text-align: center;
}

.btn-primary {
  display: inline-block;
  padding: 1rem 3rem;
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1.5px solid var(--color-navy);
  transition: all var(--transition);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-navy);
  opacity: 1;
}

.btn-outline {
  display: inline-block;
  padding: 0.85rem 2.5rem;
  border: 1.5px solid var(--color-navy);
  color: var(--color-navy);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: all var(--transition);
}

.btn-outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
  opacity: 1;
}

/* ============================================================
   Access / Niijima
   ============================================================ */
#access {
  padding: var(--spacing-xl) 0;
}

.access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.access-steps { margin-top: var(--spacing-md); }

.access-step {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}

.access-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 1rem;
  top: 2.5rem;
  bottom: -1.2rem;
  width: 1px;
  background: var(--color-beige);
}

.access-step-num {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--color-beige);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif-en);
  font-size: 0.8rem;
  color: var(--color-muted);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  background: var(--color-white);
}

.access-step-body {}
.access-step-title {
  font-family: var(--font-serif-en);
  font-size: 1rem;
  font-style: italic;
  color: var(--color-navy);
  margin-bottom: 0.3rem;
}

.access-step-desc {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.9;
}

.access-list {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-beige);
  list-style: none;
  padding-left: 0;
}

.access-list-item {
  display: block !important;
  font-family: var(--font-serif-ja);
  font-size: 0.9rem;
  color: var(--color-navy);
  letter-spacing: 0.08em;
  padding: 1rem 0 1rem 1.2rem;
  border-bottom: 1px solid var(--color-beige);
  position: relative;
  list-style: none;
}

.access-list-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-beige);
}

/* 説明・リンク付き拡張アイテム */
.access-list-item--expanded {
  padding-top: 1.1rem;
  padding-bottom: 1.2rem;
}

.acc-item-header {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.2rem;
  margin-bottom: 0.7rem;
}

.acc-item-title,
.acc-item-en {
  display: block !important;
}

.acc-item-title {
  font-size: 0.9rem;
  color: var(--color-navy);
  letter-spacing: 0.08em;
}

.acc-item-en {
  font-size: 0.72rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

.acc-item-desc {
  font-size: 0.8rem;
  color: var(--color-muted);
  line-height: 1.9;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.acc-item-desc-en {
  font-size: 0.75rem;
  color: var(--color-muted);
  opacity: 0.8;
}

.acc-item-link {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.access-note {
  margin-top: 1.4rem;
  font-size: 0.78rem;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  line-height: 2;
  padding-left: 1rem;
  border-left: 2px solid var(--color-beige);
}

.access-map {
  width: 100%;
  aspect-ratio: 1;
  background: var(--color-sand);
  position: relative;
  overflow: hidden;
}

.access-map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  filter: saturate(0.4) contrast(1.05);
  opacity: 0.9;
}

/* ============================================================
   Instagram Feed
   ============================================================ */
#instagram {
  padding: var(--spacing-lg) 0;
  background: var(--color-sand);
  text-align: center;
}

.instagram-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
}

#instagram .label {
  letter-spacing: 0.22em;
}

.instagram-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.6rem;
  opacity: 1;
  transition: opacity var(--transition);
}

.instagram-link:hover {
  opacity: 0.65;
}

.instagram-icon {
  width: 120px;
  height: 120px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.instagram-text {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.instagram-handle {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--color-muted);
}

/* ============================================================
   Footer
   ============================================================ */
#site-footer {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo-img {
  display: block;
  width: 160px;
  height: auto;
  margin-bottom: 0.6rem;
}

.footer-logo-text {
  font-family: var(--font-serif-en);
  font-size: 1.6rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-white);
  display: block;
}

.footer-brand .logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-serif-en);
  font-size: 1.6rem;
  font-weight: 300;
  font-style: italic;
  letter-spacing: 0.08em;
  color: var(--color-sand);
  display: block;
  margin-bottom: 0.6rem;
}

.footer-brand p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.9;
  max-width: 280px;
  letter-spacing: 0.06em;
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-social a {
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--color-beige);
  color: var(--color-beige);
  opacity: 1;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-beige);
  margin-bottom: 1.2rem;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.06em;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-sand);
  opacity: 1;
}

.footer-bottom {
  padding-top: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-bottom p {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.1em;
}

/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes lineDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================================
   固定ページ / 投稿記事 共通
   ============================================================ */
.page-hero {
  background: var(--color-navy) !important;
  padding: 9rem 0 4rem;
  color: var(--color-white);
}

.page-hero-inner {
  max-width: 760px;
}

.page-hero .label {
  color: var(--color-beige);
  margin-bottom: 1rem;
  display: block;
}

.page-hero-title {
  font-family: var(--font-serif-en);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 0.6rem;
}

.page-hero-date {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.45);
  margin-top: 1rem;
}

.page-body {
  padding: var(--spacing-xl) 0;
}

.page-content {
  max-width: 720px;
}

.page-thumbnail {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
  margin-bottom: var(--spacing-lg);
}

/* エントリーコンテンツ */
.entry-content {
  font-size: 0.95rem !important;
  line-height: 2.1 !important;
  color: var(--color-text) !important;
  font-family: var(--font-serif-ja) !important;
}

.entry-content h2 {
  font-family: var(--font-serif-en) !important;
  font-size: 1.6rem !important;
  font-weight: 300 !important;
  font-style: italic !important;
  color: var(--color-navy) !important;
  margin: 2.5rem 0 1rem !important;
  padding-bottom: 0.5rem !important;
  border-bottom: 1px solid var(--color-beige) !important;
  background: none !important;
}

.entry-content h3 {
  font-family: var(--font-serif-ja) !important;
  font-size: 1rem !important;
  font-weight: 400 !important;
  color: var(--color-navy) !important;
  margin: 2rem 0 0.75rem !important;
  letter-spacing: 0.08em !important;
  background: none !important;
}

.entry-content p {
  margin-bottom: 1.4rem !important;
  color: var(--color-text) !important;
  font-size: inherit !important;
}

.entry-content a {
  color: var(--color-ocean) !important;
  text-decoration: underline !important;
  text-underline-offset: 3px !important;
}

.entry-content ul,
.entry-content ol {
  margin: 0 0 1.4rem 1.4rem !important;
  color: var(--color-text) !important;
  list-style: revert !important;
  padding-left: 0 !important;
}

.entry-content li {
  margin-bottom: 0.4rem !important;
  line-height: 2 !important;
}

.entry-content blockquote {
  border-left: 3px solid var(--color-beige) !important;
  padding: 0.8rem 1.4rem !important;
  margin: 1.8rem 0 !important;
  color: var(--color-muted) !important;
  font-style: italic !important;
  font-family: var(--font-serif-en) !important;
  font-size: 1.05rem !important;
  background: none !important;
}

.entry-content img {
  max-width: 100% !important;
  height: auto !important;
  margin: 1.8rem 0 !important;
}

.entry-content hr {
  border: none !important;
  border-top: 1px solid var(--color-beige) !important;
  margin: 2.5rem 0 !important;
  background: none !important;
}

/* 前後の記事ナビ */
.post-nav {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-beige);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.post-nav-label {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: block;
  margin-bottom: 0.4rem;
}

.post-nav a {
  font-family: var(--font-serif-en);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-navy);
}

.post-nav a:hover { opacity: 0.6; }

/* 404 */
.page-404 {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.page-404-num {
  font-family: var(--font-serif-en);
  font-size: clamp(6rem, 18vw, 12rem);
  font-weight: 300;
  font-style: italic;
  color: var(--color-beige);
  line-height: 1;
  display: block;
  margin-bottom: 1rem;
}

.page-404-title {
  font-family: var(--font-serif-en);
  font-size: 1.6rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.page-404-text {
  font-size: 0.88rem;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  line-height: 2;
  margin-bottom: 2.5rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .amenities-grid { grid-template-columns: repeat(3, 1fr); }
  .rooms-grid { grid-template-columns: 1fr 1fr; }
  .instagram-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 4rem;
    --spacing-lg: 2.5rem;
  }

  .site-nav { display: none; flex-direction: column; position: fixed; inset: 0; background: var(--color-navy); justify-content: center; align-items: center; gap: 2rem; z-index: 99; }
  .site-nav.open { display: flex; }
  .site-nav a { color: var(--color-sand) !important; font-size: 0.85rem; }
  .nav-toggle { display: flex; z-index: 101; position: relative; }

  #site-header { padding: 1.2rem 1.5rem; }
  #site-header.scrolled { padding: 0.9rem 1.5rem; }

  .concept-inner { grid-template-columns: 1fr; }
  .concept-image::before { display: none; }
  .concept-text { padding-right: 0; }

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

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

  .activities-grid { grid-template-columns: repeat(2, 1fr); }
  .activities-layout { grid-template-columns: 1fr; }
  .activity-feature { position: static; }

  .access-inner { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; gap: var(--spacing-md); }

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

  /* ---- Rates table: モバイル対応 ---- */
  .rates-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .rates-table {
    font-size: 0.78rem;
    min-width: 480px;
  }
  .rates-table th,
  .rates-table td {
    padding: 0.8rem 0.75rem;
  }
  .rates-table th:nth-child(3),
  .rates-table td:nth-child(3) { display: table-cell; } /* EN列を再表示して横スクロールで見せる */

  /* ---- Activities: モバイルではフィーチャーパネルのスクロールバーを非表示・縦積み ---- */
  .activity-feature {
    overflow-y: visible !important;
    max-height: none !important;
  }
  #activity-feature {
    flex-direction: column !important;
  }
  #activity-feature img#activity-feature-img,
  #activity-feature #activity-feature-img-wrap {
    width: 100% !important;
    height: 220px !important;
  }
}

@media (max-width: 480px) {
  .hero-content { padding: 0 1.2rem; }
  .instagram-grid { grid-template-columns: repeat(2, 1fr); }
  .activities-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   予約ページ — Reservation Page
   ============================================================ */
.res-wrap {
  max-width: 680px;
  margin: 2rem auto;
}

.res-intro {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.06em;
}

.res-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-beige);
}

.res-item:first-of-type {
  border-top: 1px solid var(--color-beige);
}

.res-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
  accent-color: var(--color-navy);
  cursor: pointer;
}

.res-label {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--color-text);
  cursor: pointer;
}

.res-label span {
  display: block;
  font-size: 0.78rem;
  color: var(--color-muted);
}

.res-note {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: 1.5rem;
  line-height: 2;
}

.res-btns {
  display: flex;
  gap: 1.2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.res-btn {
  padding: 0.75rem 2.2rem;
  background: var(--color-navy);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  border: 1px solid var(--color-navy);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.3s;
  opacity: 0.35;
  pointer-events: none;
  display: inline-block;
}

.res-btn.active {
  opacity: 1;
  pointer-events: auto;
}

.res-btn.active:hover {
  background: transparent;
  color: var(--color-navy);
}