@charset "UTF-8";

/* =====================================================
   DESIGN VARIABLES & RESPONSIVE SCALING
===================================================== */
:root {
  --color-bg: #11161B;
  --color-main: #E1E5EA;
  --color-gold: #D49B55;
  --color-dim: rgba(225, 229, 234, 0.4);

  --font-en-serif: 'Cormorant Garamond', serif;
  --font-en-sans: 'Montserrat', sans-serif;
  --font-ja-mincho: 'Shippori Mincho', serif;

  --fs-brand: clamp(38px, 3.33vw, 64px);
  --fs-sub: clamp(14px, 1.25vw, 24px);
  --fs-nav: clamp(14px, 1.30vw, 25px);
  --fs-btn: clamp(14px, 1.20vw, 23px);
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-main);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.is-loading {
  overflow: hidden;
}

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

/* ユーティリティクラス */
.is-pc {
  display: block;
}

.is-sp {
  display: none;
}

span.is-pc {
  display: inline-block;
}

span.is-sp,
br.is-sp {
  display: none;
}

.is-hidden {
  opacity: 0 !important;
  pointer-events: none !important;
}

/* =====================================================
   LOADING SCREEN
===================================================== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(24px, 4vh, 40px);
}

.loading-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(4px, 0.4vw, 6px);
  text-align: center;
}

.loading-progress-track {
  width: clamp(200px, 20vw, 300px);
  height: 2px;
  background-color: rgba(225, 229, 234, 0.1);
  position: relative;
  overflow: hidden;
}

.loading-progress-bar {
  width: 0%;
  height: 100%;
  background-color: var(--color-main);
}

/* =====================================================
   HEADER STYLES
===================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: clamp(100px, 12vh, 150px);
  background: linear-gradient(to bottom, rgba(17, 22, 27, 0.7) 0%, rgba(17, 22, 27, 0) 100%);
  /* ヘッダー全体のz-indexを最強にしておく */
  z-index: 9999;
  pointer-events: none;
  transition: background 0.4s ease;
}

.site-header.is-scrolled {
  background: rgba(17, 22, 27, 0.95);
}

.header-inner {
  display: flex;
  flex-wrap: nowrap !important;
  align-items: center;
  justify-content: space-between;
  padding: clamp(16px, 2vh, 28px) clamp(24px, 3.125vw, 60px) 0;
  width: 100%;
}

.header-inner>* {
  pointer-events: auto;
}

.header-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(4px, 0.4vw, 6px);
  text-align: center;
  cursor: pointer;
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-en-serif);
  font-size: var(--fs-brand);
  font-weight: 400;
  letter-spacing: 0.08em;
  margin-right: -0.08em;
  line-height: 1;
  color: var(--color-main);
}

.brand-sub {
  font-family: var(--font-ja-mincho);
  font-size: var(--fs-sub);
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-main);
  white-space: nowrap;
}

.header-right-group {
  display: flex;
  align-items: center;
  gap: clamp(24px, 2.5vw, 48px);
  flex-wrap: nowrap !important;
  flex-shrink: 0;
}

.header-chapter {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.04vw, 20px);
  font-family: var(--font-en-sans);
  font-size: var(--fs-nav);
  color: var(--color-main);
  transition: opacity 0.4s ease;
}

.chapter-delimiter {
  opacity: 0.5;
}

.progress-track {
  width: clamp(120px, 12.5vw, 240px);
  height: 3px;
  background-color: rgba(225, 229, 234, 0.2);
  position: relative;
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background-color: var(--color-main);
  transition: width 0.1s linear;
}

.header-btn-wrap {
  position: relative;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: clamp(6px, 0.6vw, 10px) clamp(16px, 1.5vw, 28px);
  border: 1px solid var(--color-gold);
  background-color: transparent;
  color: var(--color-gold);
  font-family: var(--font-en-sans);
  font-size: var(--fs-btn);
  transition: background-color 0.3s ease;
  cursor: pointer;
}

.header-btn:hover {
  background-color: rgba(212, 155, 85, 0.1);
}

.header-back-btn {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
}

.hamburger,
.mobile-nav {
  display: none;
}

/* =====================================================
   FOOTER STYLES
===================================================== */
.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: clamp(100px, 12vh, 150px);
  background: linear-gradient(to top, rgba(17, 22, 27, 0.7) 0%, rgba(17, 22, 27, 0) 100%);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  pointer-events: none;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 3.125vw, 60px) clamp(8px, 1.2vh, 16px);
  width: 100%;
}

.footer-inner>* {
  pointer-events: auto;
}

.footer-nav ul {
  display: flex;
  list-style: none;
  gap: clamp(16px, 1.875vw, 36px);
  align-items: center;
}

.nav-link {
  font-family: var(--font-en-sans);
  font-size: var(--fs-nav);
  letter-spacing: 0;
  color: var(--color-main);
  opacity: 0.8;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  cursor: pointer;
}

.nav-link:hover {
  opacity: 1;
}

.footer-right-group {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.08vw, 40px);
}

.scroll-indicator {
  font-family: var(--font-en-sans);
  font-size: var(--fs-nav);
  letter-spacing: 0.15em;
  color: var(--color-main);
  transition: opacity 0.4s ease, color 0.3s ease;
  user-select: none;
  white-space: nowrap;
  cursor: pointer;
}

.scroll-indicator:hover {
  color: var(--color-gold);
}

/* =====================================================
   SHARK VISUAL ENHANCEMENT
===================================================== */
.shark-trigger {
  width: clamp(160px, 15.5vw, 297.41px);
  aspect-ratio: 297.41 / 112.41;
  display: block;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  perspective: 1000px;
}

.shark-visual-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  will-change: transform;
}

.shark-icon {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  transition: opacity 0.4s ease;
}

.shark-normal {
  opacity: 1;
}

.shark-gold {
  opacity: 0;
}

.shark-trigger:hover .shark-normal {
  opacity: 0;
}

.shark-trigger:hover .shark-gold {
  opacity: 1;
}

.shark-light-reflection {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(212, 155, 85, 0) 0%, rgba(212, 155, 85, 0.2) 20%, rgba(212, 155, 85, 0.9) 50%, rgba(212, 155, 85, 0.2) 80%, rgba(212, 155, 85, 0) 100%);
  background-size: 200% 100%;
  background-position: 100% 0%;
  -webkit-mask-image: url('../img/sameroku_logo.webp');
  mask-image: url('../img/sameroku_logo.webp');
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  -webkit-mask-position: top left;
  mask-position: top left;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  mix-blend-mode: normal;
  opacity: 0;
  pointer-events: none;
}

/* =====================================================
   HORIZONTAL SCROLL BASE
===================================================== */
.horizontal-scroll-container {
  display: flex;
  width: max-content;
  height: 100vh;
}

.section {
  height: 100vh;
  min-height: 600px;
  flex-shrink: 0;
  position: relative;
  overflow: visible;
}

/* PC版 CONCEPTの崩れ修正 */
.concept-bg-wrap,
.concept-text-area {
  display: contents;
}

/* =====================================================
   00. FV
===================================================== */
.section-fv {
  width: 100vw;
  background-color: var(--color-bg);
  overflow: hidden;
}

.fv-media-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
  background-color: #000;
}

.fv-fallback-img,
.fv-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.fv-fallback-img {
  z-index: 1;
}

.fv-video {
  z-index: 2;
}

.fv-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(17, 22, 27, 0.2);
  pointer-events: none;
  z-index: 3;
}

.fv-container {
  position: relative;
  z-index: 4;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  padding-left: clamp(140px, 15vw, 300px);
  pointer-events: none;
}

.fv-hero-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: fit-content;
  gap: clamp(16px, 2.5vh, 40px);
}

.fv-catch {
  writing-mode: vertical-rl;
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(24px, 4.2vh, 51px);
  letter-spacing: 0.35em;
  line-height: 1.8;
  color: var(--color-main);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
  user-select: none;
  opacity: 0;
}

.fv-sub-copy {
  font-family: var(--font-en-sans);
  font-size: clamp(13px, 1.8vh, 26px);
  letter-spacing: 0.12em;
  line-height: 1.5;
  color: var(--color-main);
  text-align: center;
  opacity: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  white-space: nowrap;
}

/* =====================================================
   01. CONCEPT SECTION
===================================================== */
.section-concept {
  width: max-content;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
}

.mobile-concept-bg {
  display: none;
}

.concept-container {
  display: flex;
  align-items: center;
  gap: clamp(60px, 6vw, 120px);
  padding-left: clamp(160px, 15vw, 240px);
  padding-right: clamp(70px, 6vw, 110px);
  height: 100%;
  width: max-content;
  box-sizing: border-box;
}

.concept-heading-wrap,
.concept-center-col,
.concept-water-group {
  flex-shrink: 0;
}

.concept-heading-wrap {
  display: flex;
  align-items: center;
  height: 100%;
}

.concept-label,
.story-label,
.stillhouse-label,
.retreat-label,
.access-top-label,
.reserve-label {
  display: none;
}

.concept-title {
  writing-mode: vertical-rl;
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(20px, 3vh, 34px);
  letter-spacing: 0.35em;
  line-height: 2.1;
  color: var(--color-main);
  user-select: none;
}

.concept-title span {
  display: inline-block;
}

.concept-center-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.concept-forest-group {
  display: flex;
  flex-direction: column;
  margin-bottom: clamp(16px, 2vh, 24px);
}

.concept-img-forest {
  height: clamp(220px, 32vh, 419px);
  aspect-ratio: 750 / 419;
  flex-shrink: 0;
}

.concept-subtitle {
  font-family: var(--font-ja-mincho);
  font-weight: 500;
  font-size: clamp(14px, 1.6vh, 19px);
  letter-spacing: 0.15em;
  line-height: 1.8;
  color: var(--color-main);
  text-shadow: 0 0 10px rgba(17, 22, 27, 0.9);
  margin-bottom: clamp(12px, 1.5vh, 20px);
}

.concept-body-text {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1vh, 14px);
}

.concept-p {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(11px, 1.2vh, 14px);
  letter-spacing: 0.15em;
  line-height: 1.8;
  color: var(--color-main);
  opacity: 0.9;
}

.concept-water-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(6px, 1vh, 12px);
  height: 100%;
  margin-top: clamp(80px, 12vh, 140px);
}

.concept-img-water {
  height: clamp(260px, 42vh, 545px);
  aspect-ratio: 439 / 545;
  flex-shrink: 0;
}

.concept-caption {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(10px, 1.1vh, 13px);
  letter-spacing: 0.15em;
  line-height: 1.5;
  color: var(--color-main);
  text-align: right;
  opacity: 0.8;
  white-space: nowrap;
}

.concept-img-frame {
  overflow: hidden;
  position: relative;
  background-color: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
}

.concept-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* =====================================================
   02-06. 各セクションベースデザイン
===================================================== */
.section-story {
  width: max-content;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
}

.story-container {
  display: flex;
  align-items: center;
  gap: clamp(60px, 6vw, 120px);
  padding-left: clamp(40px, 4vw, 70px);
  padding-right: clamp(100px, 10vw, 160px);
  height: 100%;
  width: max-content;
  box-sizing: border-box;
}

.story-heading-wrap,
.story-body-wrap,
.story-photos-wrap {
  flex-shrink: 0;
}

.story-heading-wrap {
  display: flex;
  align-items: center;
  height: 100%;
}

.story-title {
  writing-mode: vertical-rl;
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(20px, 3vh, 34px);
  letter-spacing: 0.35em;
  line-height: 2.1;
  color: var(--color-main);
  user-select: none;
}

.story-title span {
  display: inline-block;
}

.story-body-wrap {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.story-subtitle {
  font-family: var(--font-ja-mincho);
  font-weight: 500;
  font-size: clamp(14px, 1.6vh, 20px);
  letter-spacing: 0.15em;
  line-height: 1.8;
  color: var(--color-main);
  opacity: 1;
  text-shadow: 0 0 10px rgba(17, 22, 27, 0.9);
  margin-bottom: clamp(32px, 4vh, 56px);
}

.story-text-group {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.2vh, 18px);
}

.story-p {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(11px, 1.2vh, 14px);
  letter-spacing: 0.15em;
  line-height: 1.75;
  color: var(--color-main);
  opacity: 0.9;
  text-shadow: 0 0 10px rgba(17, 22, 27, 0.9);
}

.story-signature {
  margin-top: clamp(6px, 1vh, 14px);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.story-role {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(10px, 1.1vh, 13px);
  letter-spacing: 0.12em;
  color: var(--color-main);
  opacity: 0.7;
}

.story-name {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(12px, 1.3vh, 16px);
  letter-spacing: 0.18em;
  color: var(--color-main);
}

.story-photos-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  margin-left: clamp(-200px, -12vw, -120px);
}

.story-hasumi-frame {
  position: relative;
  z-index: 1;
  height: clamp(180px, 28vh, 326px);
  aspect-ratio: 580 / 326;
  overflow: hidden;
  flex-shrink: 0;
}

.story-glass-frame {
  position: relative;
  z-index: 2;
  height: clamp(210px, 32vh, 390px);
  aspect-ratio: 312 / 390;
  overflow: hidden;
  align-self: flex-start;
  margin-left: clamp(280px, 20vw, 400px);
  margin-top: clamp(16px, 2vh, 40px);
  flex-shrink: 0;
}

.story-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.section-stillhouse {
  width: max-content;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
}

.stillhouse-wrapper {
  display: flex;
  align-items: center;
  height: 100%;
}

.stillhouse-intro-container {
  display: flex;
  align-items: center;
  gap: clamp(60px, 6vw, 120px);
  padding-left: clamp(60px, 6vw, 100px);
  padding-right: clamp(100px, 10vw, 160px);
  height: 100%;
  box-sizing: border-box;
}

.stillhouse-left-col,
.stillhouse-right-col {
  flex-shrink: 0;
}

.stillhouse-left-col {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vh, 32px);
}

.stillhouse-main-img-frame {
  height: clamp(260px, 45vh, 530px);
  width: auto;
  aspect-ratio: 940 / 530;
  overflow: hidden;
  position: relative;
  background-color: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
}

.stillhouse-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.stillhouse-spec {
  font-family: var(--font-en-sans);
  font-size: clamp(10px, 1.1vh, 12px);
  letter-spacing: 0.12em;
  line-height: 1.6;
  color: var(--color-main);
  opacity: 0.7;
}

.stillhouse-right-col {
  display: flex;
  align-items: center;
  gap: clamp(40px, 4vw, 80px);
}

.stillhouse-heading-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.stillhouse-title {
  writing-mode: vertical-rl;
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(20px, 3vh, 36px);
  letter-spacing: 0.35em;
  line-height: 2.1;
  color: var(--color-main);
  user-select: none;
}

.stillhouse-title span {
  display: inline-block;
}

.stillhouse-body-wrap {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 2.5vh, 36px);
  width: clamp(300px, 25vw, 480px);
}

.stillhouse-p {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(11px, 1.25vh, 15px);
  letter-spacing: 0.15em;
  line-height: 1.95;
  color: var(--color-main);
  opacity: 0.9;
}

.stillhouse-process-container {
  display: flex;
  align-items: center;
  gap: clamp(80px, 8vw, 160px);
  padding-left: clamp(100px, 10vw, 160px);
  padding-right: clamp(120px, 12vw, 200px);
  height: 100%;
  box-sizing: border-box;
}

.process-step {
  display: flex;
  align-items: center;
  gap: clamp(40px, 4vw, 80px);
  flex-shrink: 0;
}

.process-left-block {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vh, 24px);
  flex-shrink: 0;
}

.process-header-inline {
  display: flex;
  align-items: center;
}

.process-main-title {
  font-family: var(--font-en-sans);
  font-weight: 400;
  font-size: clamp(15px, 1.8vh, 24px);
  letter-spacing: 0.22em;
  color: var(--color-main);
  opacity: 0.85;
}

.step-01 {
  align-self: center;
  transform: translateY(0);
}

.step-02 {
  align-self: center;
  transform: translateY(clamp(-30px, -5vh, -60px));
}

.step-03 {
  align-self: center;
  transform: translateY(clamp(30px, 5vh, 60px));
}

.process-img-frame {
  height: clamp(240px, 45vh, 540px);
  width: auto;
  aspect-ratio: 432 / 540;
  overflow: hidden;
  position: relative;
  background-color: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
}

.process-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.process-text-col {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 3vh, 40px);
  flex-shrink: 0;
}

.process-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.process-num {
  font-family: var(--font-en-sans);
  font-size: clamp(12px, 1.2vh, 15px);
  letter-spacing: 0.15em;
  color: var(--color-main);
  opacity: 0.8;
}

.process-ja {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(16px, 1.8vh, 24px);
  letter-spacing: 0.15em;
  color: var(--color-main);
}

.process-en {
  font-family: var(--font-en-sans);
  font-size: clamp(10px, 1vh, 12px);
  letter-spacing: 0.2em;
  color: var(--color-main);
  opacity: 0.6;
}

.process-body {
  width: clamp(280px, 20vw, 420px);
}

.section-retreat {
  width: max-content;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
}

.retreat-container {
  display: flex;
  align-items: center;
  gap: clamp(40px, 5vw, 90px);
  padding-left: clamp(80px, 8vw, 140px);
  padding-right: clamp(100px, 10vw, 180px);
  height: 100%;
  width: max-content;
  box-sizing: border-box;
}

.retreat-heading-wrap,
.retreat-body-wrap,
.retreat-photos-wrap {
  flex-shrink: 0;
}

.retreat-heading-wrap {
  display: flex;
  align-items: center;
  height: 100%;
}

.retreat-title {
  writing-mode: vertical-rl;
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(20px, 3vh, 34px);
  letter-spacing: 0.35em;
  line-height: 2.1;
  color: var(--color-main);
  user-select: none;
}

.retreat-title span {
  display: inline-block;
}

.retreat-body-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: clamp(280px, 24vw, 420px);
}

.retreat-subtitle {
  font-family: var(--font-ja-mincho);
  font-weight: 500;
  font-size: clamp(14px, 1.6vh, 20px);
  letter-spacing: 0.15em;
  line-height: 1.8;
  color: var(--color-main);
  text-shadow: 0 0 10px rgba(17, 22, 27, 0.9);
  margin-bottom: clamp(16px, 2.5vh, 32px);
}

.retreat-body-text {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 1.6vh, 22px);
}

.retreat-p {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(11px, 1.2vh, 14px);
  letter-spacing: 0.15em;
  line-height: 1.85;
  color: var(--color-main);
  opacity: 0.9;
}

.retreat-photos-wrap {
  display: flex;
  align-items: flex-start;
  gap: clamp(30px, 4vw, 70px);
  height: 100%;
}

.retreat-img-frame {
  position: relative;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
}

.retreat-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.retreat-bath {
  height: clamp(200px, 34vh, 356px);
  aspect-ratio: 637 / 356;
  margin-top: clamp(120px, 18vh, 200px);
}

.retreat-right-photos {
  display: flex;
  flex-direction: column;
  margin-top: clamp(240px, 34vh, 380px);
}

.retreat-lounge {
  height: clamp(140px, 24vh, 252px);
  aspect-ratio: 452 / 252;
  margin-left: 20px;
}

.retreat-bedroom {
  height: clamp(120px, 21vh, 224px);
  aspect-ratio: 401 / 224;
  margin-top: clamp(32px, 4vh, 64px);
  margin-left: clamp(-80px, -10vw, -160px);
  position: relative;
  z-index: 2;
}

.section-access {
  width: max-content;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
}

.access-container {
  display: flex;
  align-items: center;
  gap: clamp(60px, 6vw, 120px);
  padding-left: clamp(80px, 8vw, 140px);
  padding-right: clamp(20px, 2vw, 40px);
  height: 100%;
  width: max-content;
  box-sizing: border-box;
}

.access-heading-wrap,
.access-center-col,
.access-right-col {
  flex-shrink: 0;
}

.access-heading-wrap {
  display: flex;
  align-items: center;
  height: 100%;
}

.access-title {
  writing-mode: vertical-rl;
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(20px, 3vh, 34px);
  letter-spacing: 0.35em;
  line-height: 2.1;
  color: var(--color-main);
  user-select: none;
}

.access-title span {
  display: inline-block;
}

.access-center-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(32px, 5vh, 64px);
  width: clamp(320px, 25vw, 440px);
}

.access-lead {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vh, 24px);
}

.access-info-group {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1.2vh, 16px);
}

.access-label {
  font-family: var(--font-en-sans);
  font-weight: 400;
  font-size: clamp(11px, 1.2vh, 13px);
  letter-spacing: 0.25em;
  color: var(--color-main);
  opacity: 0.6;
  margin-bottom: 4px;
}

.access-p {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(11px, 1.25vh, 14px);
  letter-spacing: 0.15em;
  line-height: 2.0;
  color: var(--color-main);
  opacity: 0.9;
}

.access-right-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(32px, 5vh, 56px);
  width: clamp(340px, 26vw, 505px);
}

.access-map-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.access-map-frame {
  width: 100%;
  aspect-ratio: 505 / 389;
  background-color: #2a2a2a;
  overflow: hidden;
  filter: grayscale(100%) contrast(1.15) brightness(0.92);
}

.access-map-frame iframe {
  width: 100%;
  height: 100%;
  display: block;
}

.access-map-link {
  font-family: var(--font-en-sans);
  font-size: clamp(10px, 1.1vh, 12px);
  letter-spacing: 0.15em;
  color: var(--color-main);
  opacity: 0.8;
  text-align: left;
  transition: opacity 0.3s ease;
}

.access-map-link:hover {
  opacity: 1;
}

.access-spec-group {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.5vh, 16px);
}

.access-note {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(9px, 1vh, 11px);
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: var(--color-main);
  opacity: 0.6;
  margin-top: 4px;
}

.section-reserve {
  width: 100vw;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.reserve-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 800px;
  padding: 0 24px;
  box-sizing: border-box;
  transform: translateY(clamp(-56px, -5vh, -30px));
}

.reserve-shark-slot {
  width: clamp(160px, 15.5vw, 297.41px);
  aspect-ratio: 297.41 / 112.41;
  margin-bottom: clamp(13px, 2vh, 26px);
  position: relative;
  pointer-events: auto;
}

.reserve-shark {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.reserve-title {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(38px, 4.2vw, 64px);
  letter-spacing: 0.11em;
  margin-right: -0.11em;
  line-height: 1;
  color: var(--color-main);
  margin-bottom: clamp(12px, 1.6vh, 20px);
}

.reserve-sub {
  font-family: var(--font-en-serif);
  font-weight: 400;
  font-size: clamp(14px, 1.4vw, 20px);
  letter-spacing: 0.13em;
  margin-right: -0.13em;
  line-height: 1;
  color: var(--color-main);
  opacity: 0.9;
  margin-bottom: clamp(32px, 4.5vh, 56px);
}

.reserve-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(14px, 1.8vh, 22px);
  width: 100%;
  margin-bottom: clamp(24px, 3.5vh, 40px);
}

.reserve-btn-primary {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: clamp(280px, 26vw, 420px);
  padding: clamp(14px, 1.6vh, 20px) 16px;
  border: 1px solid var(--color-gold);
  background-color: transparent;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.reserve-btn-primary:hover {
  background-color: rgba(212, 155, 85, 0.08);
  border-color: #e5b376;
}

.reserve-btn-primary .btn-en {
  font-family: var(--font-en-sans);
  font-size: clamp(12px, 1.2vw, 16px);
  letter-spacing: 0.22em;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 6px;
}

.reserve-btn-primary .btn-ja {
  font-family: var(--font-ja-mincho);
  font-weight: 400;
  font-size: clamp(11px, 1vw, 14px);
  letter-spacing: 0.12em;
  color: var(--color-gold);
  opacity: 0.9;
  line-height: 1;
}

.reserve-faq-link {
  font-family: var(--font-en-sans);
  font-size: clamp(10px, 0.9vw, 12px);
  letter-spacing: 0.2em;
  color: var(--color-main);
  opacity: 0.65;
  transition: opacity 0.3s ease;
}

.reserve-faq-link:hover {
  opacity: 1;
}

/* =====================================================
   ANIMATION INITIAL STATES
===================================================== */
.anim-concept-heading,
.anim-concept-sub,
.anim-concept-forest,
.anim-concept-body,
.anim-concept-water,
.anim-story-heading,
.anim-story-sub,
.anim-story-text,
.anim-story-hasumi,
.anim-story-glass,
.anim-still-left-img,
.anim-still-left-spec,
.anim-still-heading,
.anim-still-body,
.anim-process-title,
.anim-p1-img,
.anim-p1-head,
.anim-p1-body,
.anim-p2-img,
.anim-p2-head,
.anim-p2-body,
.anim-p3-img,
.anim-p3-head,
.anim-p3-body,
.anim-retreat-heading,
.anim-retreat-sub,
.anim-retreat-body,
.anim-retreat-bath,
.anim-retreat-lounge,
.anim-retreat-bedroom,
.anim-access-heading,
.anim-access-body,
.anim-access-map,
.anim-access-spec,
.anim-reserve-item {
  opacity: 0;
  transform: translateX(200px);
  will-change: transform, opacity;
}

.anim-reserve-item {
  transform: translateY(24px) !important;
}

/* RESERVEのサメ用（PCのみフワフワ） */
@keyframes floatUpDown {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(10px);
  }
}

/* =====================================================
   SMARTPHONE (レスポンシブ 縦スクロール対応 max-width: 768px)
===================================================== */
@media screen and (max-width: 768px) {

  br.is-sp {
    display: block !important;
  }

  /* --- 徹底したブロック化と高さ固定のリセット --- */
  .horizontal-scroll-container {
    display: block;
    width: 100%;
    height: auto;
    overflow-x: hidden;
  }

  .section {
    display: block !important;
    width: 100vw;
    max-width: 100%;
    height: auto;
    min-height: auto;
    padding: 80px 24px 0px;
    margin-bottom: 80px;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .section-fv,
  .section-concept {
    padding: 0 !important;
    margin-bottom: 0 !important;
  }

  /* ▼▼▼ ハンバーガーメニュー関連 ▼▼▼ */
  .header-chapter,
  .header-btn-wrap {
    display: none !important;
  }

  .site-header {
    height: 70px;
    /* メニュー表示/非表示にかかわらず、ヘッダーの背景層はタップに干渉しないようにする */
    pointer-events: none;
  }

  .header-inner {
    padding: 0 20px;
    height: 100%;
  }

  .site-header.is-scrolled-mobile {
    background-color: var(--color-bg) !important;
    background-image: none !important;
  }

  .brand-title {
    font-size: 22px;
  }

  .brand-sub {
    font-size: 10px;
  }

  /* ▼ ハンバーガーボタンは絶対に手前に出してタップ可能にする ▼ */
  .hamburger {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    /* ヘッダーの設定に関わらず、ボタン自身はタップ可能にする */
    pointer-events: auto !important;
    /* fixed にしてナビゲーション画面(9998)よりも確実に上に配置 */
    position: fixed !important;
    right: 20px;
    top: 13px;
    z-index: 9999 !important;
    -webkit-tap-highlight-color: transparent;
  }

  .hamburger.is-sp {
    display: flex !important;
  }

  .hamburger-line {
    width: 24px;
    height: 1px;
    background-color: var(--color-gold);
    transition: transform 0.3s ease, opacity 0.3s ease;
    margin: 3.5px 0;
  }

  .hamburger.is-active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.is-active .hamburger-line:nth-child(2) {
    opacity: 0;
  }

  .hamburger.is-active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* モバイルナビゲーション画面はハンバーガーボタンの1つ下（9998） */
  .mobile-nav {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(17, 22, 27, 0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    z-index: 9998 !important;
  }

  .mobile-nav.is-active {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 28px;
    text-align: center;
  }

  .mobile-nav-link {
    font-family: var(--font-en-sans);
    font-size: 18px;
    letter-spacing: 0.15em;
    color: var(--color-main);
    text-decoration: none;
    display: block;
    padding: 10px;
  }

  .mobile-nav-reserve {
    font-family: var(--font-en-sans);
    font-size: 16px;
    letter-spacing: 0.2em;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    padding: 14px 40px;
    text-decoration: none;
    transition: background-color 0.3s ease;
    display: block;
  }

  .mobile-nav-reserve:hover {
    background-color: rgba(212, 155, 85, 0.1);
  }

  /* --- 00. FV --- */
  .section-fv {
    height: 100vh;
    height: 100dvh;
    margin-bottom: 0;
  }

  .fv-video.is-pc {
    display: none !important;
  }

  .fv-container {
    padding-left: 0;
  }

  .fv-hero-group {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 18vh 0 40px;
    box-sizing: border-box;
    transform: none !important;
  }

  .fv-catch {
    writing-mode: horizontal-tb;
    font-size: clamp(24px, 7vw, 28px);
    letter-spacing: 0.25em;
    text-align: center;
    margin: 0;
    line-height: 1.5;
  }

  .fv-bottom-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .fv-sub-copy {
    font-size: 10px;
    text-align: center;
    line-height: 2.0;
    letter-spacing: 0.15em;
  }

  .fv-scroll-shark {
    width: 90px;
    opacity: 0.85;
    animation: none;
  }

  .fv-scroll-shark img {
    width: 100%;
    height: auto;
    display: block;
  }

  .is-pc {
    display: none !important;
  }

  .is-sp {
    display: block !important;
  }

  /* --- 01. CONCEPT --- */
  .section-concept {
    position: relative;
    background-color: transparent;
  }

  .concept-forest-group {
    display: none !important;
  }

  .mobile-concept-bg {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: calc(100vw * 694 / 390);
    object-fit: cover;
    z-index: 0;
    opacity: 1;
  }

  .concept-container {
    display: flex !important;
    flex-direction: column;
    padding: 0;
    width: 100%;
    position: relative;
    z-index: 1;
    padding-bottom: 80px;
  }

  .concept-heading-wrap {
    padding-top: calc(100vw * 694 / 390 * 0.25);
    width: 240px;
    max-width: 70%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .concept-label {
    display: block;
    font-family: var(--font-en-sans);
    font-size: 13px;
    letter-spacing: 0.15em;
    color: var(--color-main);
    opacity: 0.8;
    margin-bottom: 12px;
  }

  .concept-title,
  .story-title,
  .stillhouse-title,
  .retreat-title,
  .access-title {
    writing-mode: horizontal-tb;
    font-size: 18px;
    letter-spacing: 0.1em;
    line-height: 1.6;
    margin-bottom: 0;
  }

  .concept-title br.is-pc {
    display: none;
  }

  .concept-center-col {
    margin-top: calc(100vw * 694 / 390 * 0.3);
    width: 310px;
    max-width: 85%;
    margin-left: auto;
    margin-right: auto;
    transform: none;
    padding: 0;
  }

  .concept-subtitle {
    font-size: 13px;
    margin-bottom: 16px;
    text-align: left;
  }

  .concept-p {
    font-size: 11px;
    text-align: left;
  }

  .concept-water-group {
    margin-top: 80px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .concept-img-frame.concept-img-water {
    width: 313px !important;
    height: 227px !important;
    aspect-ratio: auto;
    margin: 0 auto !important;
  }

  .concept-caption {
    width: 313px;
    text-align: left;
    margin-top: 12px;
  }

  /* --- 02. STORY --- */
  .story-container {
    display: flex !important;
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    width: 310px;
    max-width: 85%;
    margin: 0 auto;
    box-sizing: border-box;
  }

  .story-heading-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 24px;
  }

  .story-label {
    display: block;
    font-family: var(--font-en-sans);
    font-size: 13px;
    letter-spacing: 0.15em;
    color: var(--color-main);
    opacity: 0.8;
    margin-bottom: 12px;
  }

  .story-title {
    margin-bottom: 40px;
  }

  .story-title br.is-pc {
    display: none;
  }

  .sp-story-img {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 32px 0;
  }

  .sp-story-img.story-hasumi-frame {
    width: 220px !important;
    height: auto !important;
    aspect-ratio: 580 / 326;
    margin: 22px auto 36px;
  }

  .sp-story-img.story-glass-frame {
    width: 180px !important;
    height: auto !important;
    aspect-ratio: 312 / 390;
    margin: 40px auto 0;
  }

  .story-body-wrap {
    width: 100%;
    transform: none;
    margin: 0;
  }

  .story-subtitle {
    font-size: 13px;
    margin-bottom: 24px;
    text-align: left;
  }

  .story-p {
    font-size: 11px;
    text-align: left;
    margin-bottom: 14px;
  }

  .story-text-group br {
    display: none;
  }

  /* --- 03. STILLHOUSE --- */
  .stillhouse-wrapper {
    display: flex !important;
    flex-direction: column;
    width: 100%;
  }

  .stillhouse-intro-container {
    display: flex !important;
    flex-direction: column;
    width: 310px;
    max-width: 85%;
    margin: 0 auto;
    padding: 0;
    box-sizing: border-box;
  }

  .stillhouse-left-col,
  .stillhouse-right-col {
    display: contents;
  }

  .stillhouse-heading-wrap {
    order: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 24px;
  }

  .stillhouse-label {
    display: block;
    font-family: var(--font-en-sans);
    font-size: 13px;
    letter-spacing: 0.15em;
    color: var(--color-main);
    opacity: 0.8;
    margin-bottom: 12px;
  }

  .stillhouse-title {
    margin-bottom: 40px;
  }

  .stillhouse-title br.is-pc {
    display: none;
  }

  .stillhouse-main-img-frame {
    order: 2;
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 940 / 530;
    margin: 0 0 24px 0 !important;
  }

  .stillhouse-spec {
    order: 3;
    width: 100%;
    font-size: 10px;
    line-height: 1.8;
    margin-bottom: 32px;
    opacity: 0.8;
    text-align: left;
  }

  .stillhouse-body-wrap {
    order: 4;
    width: 100%;
    transform: none;
    margin: 0;
  }

  .stillhouse-p {
    font-size: 11px;
    margin-bottom: 14px;
    text-align: left;
  }

  .stillhouse-process-container {
    display: flex !important;
    flex-direction: column;
    width: 310px;
    max-width: 85%;
    margin: 80px auto 0;
    padding: 0;
    gap: 64px;
    box-sizing: border-box;
  }

  .process-step {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 24px 20px;
    width: 100%;
    transform: none !important;
    margin: 0 !important;
    align-items: start;
  }

  .process-left-block,
  .process-text-col {
    display: contents;
  }

  .process-header-inline {
    grid-column: 1 / 3;
    display: flex;
    justify-content: center;
    margin-bottom: 8px;
  }

  .process-main-title {
    font-size: 16px;
    letter-spacing: 0.15em;
    text-align: center;
    margin: 0;
  }

  .process-img-frame {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 432 / 540;
    margin: 0 !important;
  }

  .process-head {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
  }

  .process-num {
    font-size: 10px;
    margin-bottom: 4px;
  }

  .process-ja {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 4px;
  }

  .process-en {
    font-size: 9px;
  }

  .process-body {
    width: 100%;
  }

  .process-body br {
    display: none;
  }

  .step-01 .process-img-frame {
    grid-column: 1 / 2;
    grid-row: 2;
  }

  .step-01 .process-head {
    grid-column: 2 / 3;
    grid-row: 2;
  }

  .step-01 .process-body {
    grid-column: 1 / 3;
    grid-row: 3;
  }

  .step-02 .process-img-frame {
    grid-column: 2 / 3;
    grid-row: 1;
  }

  .step-02 .process-head {
    grid-column: 1 / 2;
    grid-row: 1;
  }

  .step-02 .process-body {
    grid-column: 1 / 3;
    grid-row: 2;
  }

  .step-03 .process-img-frame {
    grid-column: 1 / 2;
    grid-row: 1;
  }

  .step-03 .process-head {
    grid-column: 2 / 3;
    grid-row: 1;
  }

  .step-03 .process-body {
    grid-column: 1 / 3;
    grid-row: 2;
  }

  /* --- 04. RETREAT --- */
  .retreat-container {
    display: flex !important;
    flex-direction: column;
    padding: 0;
    width: 310px;
    max-width: 85%;
    margin: 0 auto;
    align-items: flex-start;
  }

  .retreat-heading-wrap {
    order: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 24px;
  }

  .retreat-label {
    display: block;
    font-family: var(--font-en-sans);
    font-size: 13px;
    letter-spacing: 0.15em;
    color: var(--color-main);
    opacity: 0.8;
    margin-bottom: 12px;
  }

  .retreat-title {
    margin-bottom: 40px;
  }

  .retreat-title br.is-pc {
    display: none;
  }

  .retreat-body-wrap {
    display: contents !important;
  }

  .retreat-subtitle {
    order: 2;
    width: 100%;
    font-size: 13px;
    text-align: left;
    margin-bottom: 32px;
    line-height: 1.8;
  }

  .retreat-photos-wrap {
    order: 3;
    display: flex !important;
    flex-direction: column;
    gap: 24px;
    width: 100%;
    margin: 0 0 40px 0;
    transform: none;
  }

  .retreat-right-photos {
    display: contents !important;
  }

  .retreat-img-frame.retreat-bath,
  .retreat-img-frame.retreat-lounge,
  .retreat-img-frame.retreat-bedroom {
    width: 100% !important;
    height: auto !important;
    margin: 0 !important;
    transform: none !important;
  }

  .retreat-body-text {
    order: 4;
    width: 100%;
  }

  .retreat-p {
    font-size: 11px;
    text-align: left;
    margin-bottom: 16px;
    line-height: 1.8;
  }

  /* --- 05. ACCESS --- */
  .access-container {
    display: flex !important;
    flex-direction: column;
    padding: 0;
    width: 310px;
    max-width: 85%;
    margin: 0 auto;
    align-items: flex-start;
  }

  .access-center-col,
  .access-right-col {
    display: contents !important;
  }

  .access-heading-wrap {
    order: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin-bottom: 16px;
  }

  .access-top-label {
    display: block;
    font-family: var(--font-en-sans);
    font-size: 13px;
    letter-spacing: 0.15em;
    color: var(--color-main);
    opacity: 0.8;
    margin-bottom: 12px;
  }

  .access-title {
    margin-bottom: 0;
  }

  .access-title br.is-pc {
    display: none;
  }

  .access-lead {
    order: 2;
    width: 100%;
    margin-bottom: 32px;
  }

  .access-lead p {
    font-size: 11px;
    text-align: left;
    line-height: 1.8;
    margin-bottom: 16px;
  }

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

  .access-lead br {
    display: none;
  }

  .access-map-group {
    order: 3;
    width: 100%;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
  }

  .access-map-frame {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 505 / 389;
    transform: none !important;
    margin: 0 0 16px 0 !important;
  }

  .access-map-link {
    font-size: 10px;
    opacity: 0.8;
    text-align: left;
    margin: 0;
    display: block;
  }

  .access-info-group:nth-of-type(1) {
    order: 4;
    width: 100%;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .access-info-group:nth-of-type(2) {
    order: 5;
    width: 100%;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .access-spec-group {
    order: 6;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .access-label {
    font-size: 13px;
    letter-spacing: 0.1em;
    margin-bottom: 0;
    opacity: 1;
  }

  .access-p {
    font-size: 11px;
    text-align: left;
    line-height: 1.8;
    margin: 0;
  }

  .access-note {
    font-size: 10px;
    margin-top: 8px;
    text-align: left;
    opacity: 0.6;
    line-height: 1.6;
  }

  /* --- 06. RESERVE --- */
  .reserve-container {
    padding: 80px 24px 80px;
    transform: none;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
  }

  .reserve-label {
    display: block;
    font-family: var(--font-en-sans);
    font-size: 13px;
    letter-spacing: 0.15em;
    color: var(--color-main);
    opacity: 0.8;
    margin-bottom: 40px;
  }

  .reserve-shark-mobile {
    width: 120px;
    margin-bottom: 40px;
    animation: floatUpDown 2.5s ease-in-out infinite;
  }

  .reserve-shark-mobile img {
    width: 100%;
    height: auto;
    display: block;
  }

  .reserve-title {
    font-size: 40px;
    margin-bottom: 16px;
  }

  .reserve-sub {
    font-family: var(--font-en-serif);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.25em;
    margin-bottom: 48px;
    opacity: 1;
  }

  .reserve-actions {
    width: 100%;
    max-width: 320px;
    gap: 24px;
    margin-bottom: 48px;
  }

  .reserve-btn-primary {
    width: 100%;
    padding: 16px;
  }

  .reserve-faq-link {
    font-size: 12px;
    letter-spacing: 0.15em;
    opacity: 0.8;
  }

  .site-footer {
    display: none !important;
  }

  .mobile-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
    background-color: var(--color-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    width: 100%;
  }

  .mobile-footer-inner {
    width: 100%;
    text-align: center;
  }

  .mobile-footer-copy {
    font-family: var(--font-en-sans);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--color-main);
    opacity: 0.6;
    display: inline-block;
    text-align: center;
  }

  /* ▼ モバイルのみ全てのアニメーションを無効化し、最初から表示状態にする強制リセット ▼ */
  .anim-concept-heading,
  .anim-concept-sub,
  .anim-concept-forest,
  .anim-concept-body,
  .anim-concept-water,
  .anim-story-heading,
  .anim-story-sub,
  .anim-story-text,
  .anim-story-hasumi,
  .anim-story-glass,
  .anim-still-left-img,
  .anim-still-left-spec,
  .anim-still-heading,
  .anim-still-body,
  .anim-process-title,
  .anim-p1-img,
  .anim-p1-head,
  .anim-p1-body,
  .anim-p2-img,
  .anim-p2-head,
  .anim-p2-body,
  .anim-p3-img,
  .anim-p3-head,
  .anim-p3-body,
  .anim-retreat-heading,
  .anim-retreat-sub,
  .anim-retreat-body,
  .anim-retreat-bath,
  .anim-retreat-lounge,
  .anim-retreat-bedroom,
  .anim-access-heading,
  .anim-access-body,
  .anim-access-map,
  .anim-access-spec,
  .anim-reserve-item {
    opacity: 1 !important;
    transform: none !important;
  }
}