/* ============================================================
   YASUONCHI LP — ハートのサンゴと、ドーム屋根の家
   小笠原諸島・父島のゲストハウス＆バー
   配色：海の深い藍 × コーラルピンク × アイボリー × 白の泡
   フォント：Shippori Mincho (和) + Cormorant Garamond (英) + Inter (UI)
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  overflow-x:hidden;
}
body{
  font-family:'Shippori Mincho',"游明朝","Yu Mincho",serif;
  color:#1a2330;
  background:#fdfaf3;
  line-height:1.85;
  font-feature-settings:"palt";
  letter-spacing:.04em;
}
img{display:block;max-width:100%;height:auto}
svg{display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}

/* ====== トークン ====== */
:root{
  --c-ivory:#fdfaf3;
  --c-ivory-deep:#f1ead9;
  --c-ink:#1a2330;
  --c-ink-mute:#5c6271;
  --c-sea-deep:#0d2c47;
  --c-sea:#1e5a82;
  --c-sea-light:#6db4cf;
  --c-foam:#e8f3f6;
  --c-coral:#ff6f85;
  --c-coral-deep:#d9536a;
  --c-coral-soft:#ffd8df;
  --c-gold:#c9a96b;

  --font-m:'Shippori Mincho',"游明朝","Yu Mincho",serif;
  --font-e:'Cormorant Garamond',serif;
  --font-s:'Inter','Helvetica Neue',sans-serif;
}

/* ====== 言語切替 ====== */
.lang-switcher{
  position:fixed;
  top:1.1rem;right:1.1rem;
  z-index:200;
  display:flex;gap:.15rem;
  padding:.3rem;
  background:rgba(13,44,71,.35);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
}
.lang-btn{
  font-family:var(--font-s);
  font-size:.72rem;
  letter-spacing:.04em;
  color:rgba(255,255,255,.68);
  padding:.42rem .65rem;
  border-radius:999px;
  transition:all .25s ease;
  line-height:1;font-weight:500;
}
.lang-btn:hover{color:#fff}
.lang-btn.active{background:rgba(255,255,255,.95);color:var(--c-sea-deep)}

/* ====== ヘッダー ====== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:150;
  display:flex;justify-content:space-between;align-items:center;
  padding:1.2rem 1.6rem;
  transition:background .4s ease,padding .4s ease;
}
.site-header.scrolled{
  background:rgba(13,44,71,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  padding:.85rem 1.6rem;
}
.site-logo{
  font-family:var(--font-e);
  color:#fff;
  font-size:1.25rem;
  letter-spacing:.42em;
  font-weight:400;
  text-shadow:0 1px 12px rgba(0,0,0,.4);
}
.site-nav{
  display:flex;gap:1.7rem;align-items:center;
}
.site-nav a{
  font-family:var(--font-m);
  color:rgba(255,255,255,.88);
  font-size:.82rem;
  letter-spacing:.18em;
  text-shadow:0 1px 8px rgba(0,0,0,.4);
  transition:color .25s ease;
}
.site-nav a:hover{color:var(--c-coral-soft)}
.menu-btn,.nav-close{display:none}

/* ============================================================
   FV
   ============================================================ */
.fv{
  position:relative;
  width:100%;
  height:100vh;height:100svh;
  min-height:600px;
  overflow:hidden;
  background:#082039;
}
.fv-bg{position:absolute;inset:0;z-index:1}
.fv-sky{
  position:absolute;inset:0;
  background:linear-gradient(180deg,
    #f9c8a8 0%,
    #f5a9b8 18%,
    #d986a8 38%,
    #6d6a9a 60%,
    #2b4e76 82%,
    #0d2c47 100%);
}
.fv-sun{
  position:absolute;
  top:18%;right:18%;
  width:90px;height:90px;
  border-radius:50%;
  background:radial-gradient(circle,
    rgba(255,240,210,.95) 0%,
    rgba(255,210,175,.6) 40%,
    rgba(255,180,150,0) 75%);
  filter:blur(2px);
  animation:sunPulse 6s ease-in-out infinite;
}
@keyframes sunPulse{
  0%,100%{transform:scale(1);opacity:.9}
  50%{transform:scale(1.08);opacity:1}
}
.fv-sea{
  position:absolute;
  bottom:0;left:0;right:0;
  height:38%;
  background:linear-gradient(180deg,
    rgba(13,44,71,.7) 0%,
    rgba(8,30,55,.95) 60%,
    rgba(4,18,38,1) 100%);
}
.fv-caustics{
  position:absolute;
  bottom:0;left:-10%;right:-10%;
  height:30%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(150,200,225,.18) 0%, transparent 40%),
    radial-gradient(ellipse at 70% 60%, rgba(150,200,225,.15) 0%, transparent 40%),
    radial-gradient(ellipse at 45% 70%, rgba(180,215,230,.12) 0%, transparent 40%);
  filter:blur(8px);
  animation:caustics 12s ease-in-out infinite;
}
@keyframes caustics{
  0%,100%{transform:translateX(-2%) scale(1)}
  50%{transform:translateX(3%) scale(1.04)}
}

.fv-dome{
  position:absolute;
  bottom:8%;
  left:50%;
  transform:translateX(-50%);
  width:min(520px,72vw);
  height:auto;
  z-index:3;
  filter:drop-shadow(0 8px 30px rgba(0,0,0,.45));
  opacity:.94;
}

.fv-coral{
  position:absolute;
  top:14%;
  right:8%;
  width:min(180px,28vw);
  height:auto;
  z-index:4;
  animation:coralFloat 7s ease-in-out infinite;
  filter:drop-shadow(0 0 24px rgba(255,140,170,.5));
}
@keyframes coralFloat{
  0%,100%{transform:translateY(0) rotate(-3deg)}
  50%{transform:translateY(-12px) rotate(3deg)}
}

.fv-waves{
  position:absolute;
  bottom:0;left:0;right:0;
  width:100%;
  height:40px;
  z-index:5;
}

.fv-content{
  position:absolute;
  inset:0;
  z-index:6;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  align-items:center;
  text-align:center;
  color:#fff;
  padding:18vh 1.6rem 0;
}
.overline{
  font-family:var(--font-s);
  font-size:.7rem;
  letter-spacing:.5em;
  margin-bottom:2rem;
  opacity:.9;
  font-weight:300;
}
.fv-catch{
  font-family:var(--font-m);
  font-size:clamp(1.8rem,5.6vw,3.4rem);
  font-weight:500;
  line-height:1.95;
  letter-spacing:.22em;
  margin-bottom:1.6rem;
  text-shadow:0 2px 28px rgba(0,0,0,.5);
}
.fv-catch span{display:block}
.fv-sub{
  font-family:var(--font-m);
  font-size:.85rem;
  letter-spacing:.18em;
  opacity:.88;
  font-weight:400;
  text-shadow:0 2px 14px rgba(0,0,0,.45);
}
.fv-scroll{
  position:absolute;
  bottom:1.5rem;
  left:50%;
  transform:translateX(-50%);
  z-index:7;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:.7rem;
  color:#fff;
}
.fv-scroll .line{
  display:block;width:1px;height:48px;
  background:linear-gradient(to bottom,rgba(255,255,255,0),rgba(255,255,255,.85));
  animation:scrollLine 2.2s ease-in-out infinite;
}
@keyframes scrollLine{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}
.fv-scroll .word{
  font-family:var(--font-s);
  font-size:.68rem;
  letter-spacing:.4em;
  opacity:.78;
}

/* ============================================================
   各シーン共通
   ============================================================ */
.story{position:relative}
.scene{
  position:relative;
  width:100%;
  height:100vh;height:100svh;
  min-height:600px;
  overflow:hidden;
  background:#000;
  color:#fff;
}
.scene-bg{position:absolute;inset:0;z-index:1}
.scene-content{
  position:absolute;inset:0;
  z-index:5;
  display:flex;flex-direction:column;justify-content:center;
  padding:0 8vw;
  max-width:780px;
  opacity:0;transform:translateY(28px);
  transition:opacity 1.2s ease,transform 1.2s ease;
}
.scene.in-view .scene-content{opacity:1;transform:translateY(0)}
.scene-content::before{
  content:'';position:absolute;
  top:-5vh;bottom:-5vh;left:-2vw;right:-2vw;
  z-index:-1;pointer-events:none;
}
.align-right{
  left:auto;right:0;text-align:right;align-items:flex-end;
}
.align-right::before{
  background:linear-gradient(270deg,
    rgba(8,25,45,.7) 0%,
    rgba(8,25,45,.35) 55%,
    rgba(8,25,45,.08) 85%,
    transparent 100%);
}
.align-left{
  left:0;right:auto;text-align:left;align-items:flex-start;
}
.align-left::before{
  background:linear-gradient(90deg,
    rgba(8,25,45,.7) 0%,
    rgba(8,25,45,.35) 55%,
    rgba(8,25,45,.08) 85%,
    transparent 100%);
}

.scene-time{
  font-family:var(--font-e);
  font-size:clamp(3.6rem,9vw,6.4rem);
  font-weight:300;
  line-height:1;
  letter-spacing:.02em;
  margin-bottom:1.5rem;
  display:inline-flex;
  align-items:flex-start;
  gap:.12em;
  text-shadow:0 2px 30px rgba(0,0,0,.55);
  color:#fff;
}
.scene-time small{
  font-family:var(--font-s);
  font-size:.22em;
  font-weight:400;
  letter-spacing:.35em;
  margin-top:.7em;
  opacity:.78;
}
.scene-time-small{
  font-family:var(--font-s);
  font-size:.72rem;
  letter-spacing:.42em;
  margin-bottom:1.8rem;
  color:var(--c-coral-soft);
  text-shadow:0 2px 14px rgba(0,0,0,.5);
  font-weight:500;
}
.scene-title{
  font-family:var(--font-m);
  font-size:clamp(1.6rem,4vw,2.4rem);
  font-weight:500;
  line-height:1.85;
  letter-spacing:.14em;
  margin-bottom:1.8rem;
  text-shadow:0 2px 22px rgba(0,0,0,.55);
}
.scene-text{
  font-size:.95rem;
  line-height:2.1;
  letter-spacing:.08em;
  opacity:.95;
  text-shadow:0 2px 18px rgba(0,0,0,.55);
  max-width:440px;
}
.align-right .scene-text{margin-left:auto}

.scene-label{
  position:absolute;
  bottom:2.5rem;
  left:50%;
  transform:translateX(-50%);
  z-index:6;
  font-family:var(--font-s);
  font-size:.68rem;
  letter-spacing:.45em;
  color:rgba(255,255,255,.78);
  padding:.5rem 1.4rem;
  border:1px solid rgba(255,255,255,.28);
  border-radius:2px;
  background:rgba(0,0,0,.22);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  text-transform:uppercase;
}

/* ============================================================
   Scene 1: VOYAGE 24h ─ 夜の航海
   ============================================================ */
.bg-ocean-deep{
  position:absolute;inset:0;
  background:linear-gradient(180deg,
    #0a1428 0%,
    #112d4a 45%,
    #0a1f38 80%,
    #050d1c 100%);
}
.bg-stars{position:absolute;inset:0;z-index:2;pointer-events:none}
.bg-stars span{
  position:absolute;
  width:2px;height:2px;
  background:#fff;
  border-radius:50%;
  box-shadow:0 0 4px rgba(255,255,255,.85);
  animation:twinkle 3.4s ease-in-out infinite;
}
@keyframes twinkle{
  0%,100%{opacity:.3;transform:scale(.85)}
  50%{opacity:1;transform:scale(1.25)}
}
.bg-stars span:nth-child(1){top:6%;left:8%;animation-delay:0s}
.bg-stars span:nth-child(2){top:11%;left:75%;animation-delay:.4s;width:1px;height:1px}
.bg-stars span:nth-child(3){top:17%;left:30%;animation-delay:.8s}
.bg-stars span:nth-child(4){top:22%;left:55%;animation-delay:1.2s;width:3px;height:3px}
.bg-stars span:nth-child(5){top:8%;left:88%;animation-delay:1.6s;width:1px;height:1px}
.bg-stars span:nth-child(6){top:25%;left:12%;animation-delay:.2s}
.bg-stars span:nth-child(7){top:14%;left:42%;animation-delay:2s;width:1px;height:1px}
.bg-stars span:nth-child(8){top:30%;left:68%;animation-delay:.6s}
.bg-stars span:nth-child(9){top:4%;left:25%;animation-delay:1.4s;width:1px;height:1px}
.bg-stars span:nth-child(10){top:18%;left:5%;animation-delay:1.8s}
.bg-stars span:nth-child(11){top:32%;left:92%;animation-delay:.9s;width:1px;height:1px}
.bg-stars span:nth-child(12){top:7%;left:62%;animation-delay:2.3s}
.bg-stars span:nth-child(13){top:35%;left:48%;animation-delay:.5s;width:1px;height:1px}
.bg-stars span:nth-child(14){top:2%;left:48%;animation-delay:1.1s}
.bg-stars span:nth-child(15){top:28%;left:82%;animation-delay:1.7s;width:1px;height:1px}
.bg-stars span:nth-child(16){top:12%;left:18%;animation-delay:.3s}
.bg-stars span:nth-child(17){top:21%;left:72%;animation-delay:2.1s;width:1px;height:1px}
.bg-stars span:nth-child(18){top:33%;left:3%;animation-delay:.7s}
.bg-stars span:nth-child(19){top:6%;left:36%;animation-delay:1.3s;width:1px;height:1px}
.bg-stars span:nth-child(20){top:26%;left:58%;animation-delay:1.9s}
.bg-ship{
  position:absolute;
  bottom:32%;
  left:-20%;
  width:18%;
  min-width:160px;
  z-index:3;
  animation:shipDrift 28s linear infinite;
  filter:drop-shadow(0 4px 18px rgba(0,0,0,.6));
}
@keyframes shipDrift{
  0%{transform:translateX(0) translateY(0)}
  50%{transform:translateX(60vw) translateY(-4px)}
  100%{transform:translateX(140vw) translateY(0)}
}

/* ============================================================
   Scene 2: ARRIVAL 西町
   ============================================================ */
.bg-sky-dawn{
  position:absolute;inset:0;
  background:linear-gradient(180deg,
    #ffd8a8 0%,
    #ffb89a 25%,
    #f0a8b8 50%,
    #c898c0 75%,
    #6896b8 100%);
}
.bg-island-silhouette{
  position:absolute;
  bottom:30%;
  left:0;right:0;
  z-index:2;
  height:30vh;
  pointer-events:none;
}
.bg-sea-light{
  position:absolute;
  bottom:0;left:0;right:0;
  height:30%;
  background:linear-gradient(180deg,
    rgba(80,130,160,.7) 0%,
    rgba(50,100,135,.95) 100%);
  z-index:3;
}
.scene-arrival .scene-content::before{
  background:linear-gradient(270deg,
    rgba(50,30,40,.55) 0%,
    rgba(50,30,40,.2) 60%,
    transparent 100%);
}

/* ============================================================
   Scene 3: THE DOME HOUSE
   ============================================================ */
.bg-cream{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(255,200,210,.35) 0%, transparent 50%),
    linear-gradient(180deg, #faf3e6 0%, #f3e6cf 60%, #e8d4b4 100%);
}
.bg-dome-large{
  position:absolute;
  bottom:0;left:0;right:0;
  z-index:2;
  height:78vh;
  pointer-events:none;
  filter:drop-shadow(0 10px 35px rgba(0,0,0,.18));
}
.bg-dome-large svg,
.bg-palm svg,
.bg-island-silhouette svg,
.bg-bar-window svg,
.bg-ship svg,
.bg-sup svg,
.bg-waves2 svg{
  width:100%;
  height:100%;
}
.scene-dome{color:var(--c-ink)}
.scene-dome .scene-content::before{display:none}
.scene-dome .scene-time-small{color:var(--c-coral-deep)}
.scene-dome .scene-title{
  color:var(--c-ink);
  text-shadow:none;
}
.scene-dome .scene-text{
  color:#3a3024;
  text-shadow:none;
  opacity:.92;
}
.scene-dome .scene-label{
  color:rgba(30,30,40,.7);
  border-color:rgba(30,30,40,.25);
  background:rgba(255,255,255,.55);
}

/* ============================================================
   Scene 4: MAEHAMA BEACH
   ============================================================ */
.bg-beach-day{
  position:absolute;inset:0;
  background:linear-gradient(180deg,
    #a8dceb 0%,
    #6db4cf 35%,
    #4a8fb0 60%,
    #e4d8b8 80%,
    #f0e2c2 100%);
}
.bg-palm{
  position:absolute;
  bottom:0;
  left:5%;
  width:18%;
  min-width:140px;
  z-index:3;
  filter:drop-shadow(0 4px 12px rgba(0,0,0,.3));
}
.bg-beach-foam{
  position:absolute;
  bottom:18%;left:0;right:0;
  height:10%;
  background:
    radial-gradient(ellipse at 25% 50%, rgba(255,255,255,.4) 0%, transparent 50%),
    radial-gradient(ellipse at 65% 50%, rgba(255,255,255,.35) 0%, transparent 55%);
  filter:blur(6px);
  z-index:2;
  animation:foamPulse 5s ease-in-out infinite;
}
@keyframes foamPulse{
  0%,100%{opacity:.75;transform:translateY(0)}
  50%{opacity:1;transform:translateY(-3px)}
}

/* ============================================================
   Scene 5: HEART CORAL ─ 水中
   ============================================================ */
.bg-underwater{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(180,220,235,.7) 0%, transparent 40%),
    linear-gradient(180deg,
      #4ba2c9 0%,
      #1f6b96 35%,
      #0d3e63 75%,
      #061f3a 100%);
}
.bg-rays{
  position:absolute;
  top:-10%;left:15%;
  width:70%;height:80%;
  background:
    linear-gradient(160deg,
      rgba(255,255,255,.18) 0%,
      rgba(255,255,255,0) 30%,
      rgba(255,255,255,.13) 50%,
      rgba(255,255,255,0) 70%,
      rgba(255,255,255,.1) 90%);
  filter:blur(8px);
  mix-blend-mode:screen;
  animation:raysShift 9s ease-in-out infinite alternate;
}
@keyframes raysShift{
  0%{transform:translateX(0) rotate(0)}
  100%{transform:translateX(3%) rotate(2deg)}
}
.bg-bubbles{position:absolute;inset:0;z-index:3;pointer-events:none}
.bg-bubbles span{
  position:absolute;
  bottom:-10%;
  width:10px;height:10px;
  background:radial-gradient(circle at 30% 30%,
    rgba(255,255,255,.95) 0%,
    rgba(255,255,255,.4) 50%,
    rgba(255,255,255,0) 80%);
  border-radius:50%;
  animation:bubbleUp 11s linear infinite;
}
.bg-bubbles span:nth-child(1){left:8%;animation-delay:0s;width:8px;height:8px}
.bg-bubbles span:nth-child(2){left:18%;animation-delay:2s;width:14px;height:14px}
.bg-bubbles span:nth-child(3){left:28%;animation-delay:4s;width:10px;height:10px}
.bg-bubbles span:nth-child(4){left:42%;animation-delay:1s;width:6px;height:6px}
.bg-bubbles span:nth-child(5){left:55%;animation-delay:3s;width:12px;height:12px}
.bg-bubbles span:nth-child(6){left:68%;animation-delay:5s;width:9px;height:9px}
.bg-bubbles span:nth-child(7){left:78%;animation-delay:1.5s;width:7px;height:7px}
.bg-bubbles span:nth-child(8){left:88%;animation-delay:3.5s;width:11px;height:11px}
.bg-bubbles span:nth-child(9){left:35%;animation-delay:6s;width:8px;height:8px}
.bg-bubbles span:nth-child(10){left:62%;animation-delay:7s;width:13px;height:13px}
@keyframes bubbleUp{
  0%{transform:translateY(0) translateX(0);opacity:0}
  10%{opacity:.9}
  100%{transform:translateY(-120vh) translateX(15px);opacity:0}
}
.bg-coral-large{
  position:absolute;
  top:50%;right:8%;
  transform:translateY(-50%);
  width:min(380px,55vw);
  height:auto;
  z-index:2;
  animation:coralFloat 8s ease-in-out infinite;
  filter:drop-shadow(0 0 30px rgba(255,140,170,.6));
}
.scene-coral .scene-content::before{
  background:linear-gradient(90deg,
    rgba(6,30,55,.65) 0%,
    rgba(6,30,55,.3) 55%,
    rgba(6,30,55,.05) 85%,
    transparent 100%);
}

/* ============================================================
   Scene 6: DIVE & SUP
   ============================================================ */
.bg-sea-blue{
  position:absolute;inset:0;
  background:linear-gradient(180deg,
    #8dcae1 0%,
    #4aa2c2 30%,
    #1e6f95 70%,
    #0d4870 100%);
}
.bg-sup{
  position:absolute;
  bottom:30%;
  left:50%;
  transform:translateX(-50%);
  width:min(540px,72vw);
  z-index:3;
  animation:supFloat 6s ease-in-out infinite;
  filter:drop-shadow(0 8px 18px rgba(0,0,0,.3));
}
@keyframes supFloat{
  0%,100%{transform:translateX(-50%) translateY(0) rotate(-1deg)}
  50%{transform:translateX(-50%) translateY(-8px) rotate(1deg)}
}
.bg-waves2{
  position:absolute;
  bottom:0;left:0;right:0;
  width:100%;
  height:25%;
  z-index:2;
}
.scene-dive .scene-content::before{
  background:linear-gradient(270deg,
    rgba(13,70,110,.55) 0%,
    rgba(13,70,110,.2) 55%,
    transparent 100%);
}

/* ============================================================
   Scene 7: BAR NIGHT
   ============================================================ */
.bg-night{
  position:absolute;inset:0;
  background:linear-gradient(180deg,
    #0a1428 0%,
    #1c1633 50%,
    #0a0a1c 100%);
}
.bg-bar-glow{
  position:absolute;
  bottom:0;left:0;right:0;
  height:60%;
  background:
    radial-gradient(ellipse at center 80%, rgba(255,180,90,.45) 0%, transparent 55%),
    radial-gradient(ellipse at center 100%, rgba(255,120,80,.3) 0%, transparent 65%);
  z-index:2;
  animation:barGlow 4s ease-in-out infinite alternate;
}
@keyframes barGlow{
  0%{opacity:.85}
  100%{opacity:1}
}
.bg-bar-window{
  position:absolute;
  bottom:0;left:0;right:0;
  width:100%;
  height:42vh;
  z-index:3;
  filter:drop-shadow(0 -4px 30px rgba(255,180,90,.4));
}
.bar-content .scene-time{color:#ffd8a8}
.scene-bar .scene-content::before{
  background:linear-gradient(90deg,
    rgba(8,8,18,.65) 0%,
    rgba(8,8,18,.3) 55%,
    transparent 100%);
}

/* ============================================================
   セクション共通
   ============================================================ */
.sec{
  position:relative;
  padding:8rem 1.6rem;
  background:var(--c-ivory);
  color:var(--c-ink);
}
.inner{max-width:1180px;margin:0 auto}
.sec-head{text-align:center;margin-bottom:4.5rem}
.sec-head.light{color:#fff}
.en-label{
  display:inline-block;
  font-family:var(--font-s);
  font-size:.7rem;
  letter-spacing:.42em;
  color:var(--c-coral-deep);
  margin-bottom:1.2rem;
  font-weight:500;
}
.sec-head.light .en-label{color:var(--c-coral-soft)}
.sec-title{
  font-family:var(--font-m);
  font-size:clamp(1.7rem,4.2vw,2.4rem);
  font-weight:500;
  line-height:1.7;
  letter-spacing:.1em;
  margin-bottom:1.4rem;
}
.sec-sub{
  font-size:.92rem;
  color:var(--c-ink-mute);
  line-height:2;
  letter-spacing:.06em;
}
.sec-head.light .sec-sub{color:rgba(255,255,255,.78)}

.fade-up{
  opacity:0;transform:translateY(28px);
  transition:opacity 1.1s ease,transform 1.1s ease;
}
.fade-up.in-view{opacity:1;transform:translateY(0)}

/* ====== Buttons ====== */
.btn{
  display:inline-block;
  padding:1.05rem 2.4rem;
  font-family:var(--font-s);
  font-size:.82rem;
  letter-spacing:.2em;
  border-radius:2px;
  transition:all .3s ease;
  border:1px solid transparent;
  text-align:center;
  min-width:240px;
  font-weight:500;
}
.btn-primary{background:#fff;color:var(--c-sea-deep)}
.btn-primary:hover{background:var(--c-coral);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ============================================================
   ROOMS
   ============================================================ */
.rooms{
  background:linear-gradient(180deg, #fdfaf3 0%, #f5ecd9 100%);
}
.rooms-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.4rem;
}
.room-card{
  position:relative;
  overflow:hidden;
  background:#fff;
  border-radius:4px;
  display:flex;
  flex-direction:column;
  box-shadow:0 4px 18px rgba(13,44,71,.08);
  transition:transform .35s ease, box-shadow .35s ease;
}
.room-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(13,44,71,.14)}
.room-card.large{grid-column:span 3}
.room-visual{
  width:100%;
  aspect-ratio:16/9;
  background:linear-gradient(135deg, #e8f3f6 0%, #c8e2eb 100%);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
  position:relative;
}
.room-vis-house{
  background:linear-gradient(180deg, #f9c8a8 0%, #f5a9b8 40%, #b8c2dc 100%);
}
.room-vis-house svg{
  width:80%;height:90%;
  filter:drop-shadow(0 6px 20px rgba(0,0,0,.15));
}
.room-vis-family,
.room-vis-couple,
.room-vis-amen{
  background:linear-gradient(135deg, #fdfaf3 0%, #ffd8df 100%);
}
.room-vis-amen{
  background:linear-gradient(135deg, #e8f3f6 0%, #6db4cf 100%);
}
.room-icon{
  font-family:var(--font-s);
  font-size:2.6rem;
  letter-spacing:.5em;
  color:var(--c-sea-deep);
  opacity:.78;
}
.room-vis-amen .room-icon{color:#fff;font-size:3.5rem;letter-spacing:0;opacity:.9}
.room-body{
  padding:1.6rem 1.6rem 1.8rem;
}
.room-cat{
  display:inline-block;
  font-family:var(--font-s);
  font-size:.66rem;
  letter-spacing:.32em;
  color:var(--c-coral-deep);
  margin-bottom:.6rem;
  font-weight:500;
}
.room-body h3{
  font-family:var(--font-m);
  font-size:1.05rem;
  font-weight:500;
  line-height:1.7;
  letter-spacing:.1em;
  margin-bottom:.8rem;
}
.room-body p{
  font-size:.82rem;
  line-height:1.85;
  letter-spacing:.05em;
  color:var(--c-ink-mute);
}

/* ============================================================
   BAR
   ============================================================ */
.bar-sec{
  position:relative;
  background:#0a1428;
  color:#fff;
  overflow:hidden;
}
.bar-bg{position:absolute;inset:0;z-index:0}
.bar-night-tone{
  position:absolute;inset:0;
  background:linear-gradient(180deg, #0a1428 0%, #1c1633 50%, #0a0a1c 100%);
}
.bar-warm-glow{
  position:absolute;
  bottom:-10%;left:0;right:0;
  height:60%;
  background:
    radial-gradient(ellipse at 30% 70%, rgba(255,160,80,.22) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 80%, rgba(255,120,140,.18) 0%, transparent 55%);
  filter:blur(20px);
}
.bar-sec .inner{position:relative;z-index:1}
.bar-features{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2rem;
}
.bar-feat{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  padding:2.2rem 1.8rem;
  border-radius:3px;
  transition:all .3s ease;
}
.bar-feat:hover{
  background:rgba(255,255,255,.07);
  border-color:rgba(255,160,80,.4);
  transform:translateY(-3px);
}
.feat-num{
  display:block;
  font-family:var(--font-e);
  font-size:2.2rem;
  font-weight:300;
  color:var(--c-coral-soft);
  margin-bottom:1rem;
  letter-spacing:.05em;
}
.bar-feat h3{
  font-family:var(--font-m);
  font-size:1.05rem;
  font-weight:500;
  line-height:1.7;
  letter-spacing:.1em;
  margin-bottom:1rem;
  color:#fff;
}
.bar-feat p{
  font-size:.85rem;
  line-height:1.95;
  letter-spacing:.05em;
  color:rgba(255,255,255,.78);
}

/* ============================================================
   AROUND
   ============================================================ */
.around{
  background:#fdfaf3;
}
.around-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1.4rem;
}
.around-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid rgba(13,44,71,.08);
  border-radius:3px;
  overflow:hidden;
  transition:all .35s ease;
}
.around-card:hover{
  transform:translateY(-3px);
  border-color:rgba(255,111,133,.3);
  box-shadow:0 8px 24px rgba(13,44,71,.1);
}
.around-visual{
  width:100%;
  aspect-ratio:4/3;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-e);
  color:#fff;
  font-size:2.4rem;
  letter-spacing:.15em;
}
.a-vis-snorkel{background:linear-gradient(135deg, #4aa2c2 0%, #1e6f95 100%)}
.a-vis-dive{background:linear-gradient(135deg, #0d4870 0%, #061f3a 100%)}
.a-vis-whale{background:linear-gradient(135deg, #6896b8 0%, #2b4e76 100%)}
.a-vis-star{background:linear-gradient(135deg, #1c1633 0%, #0a0a1c 100%)}
.around-icon{
  font-size:3rem;
  letter-spacing:.2em;
  opacity:.95;
  text-shadow:0 2px 14px rgba(0,0,0,.3);
}
.around-body{
  padding:1.4rem 1.4rem 1.6rem;
}
.around-body h3{
  font-family:var(--font-m);
  font-size:1rem;
  font-weight:500;
  line-height:1.65;
  letter-spacing:.1em;
  margin-bottom:.55rem;
  color:var(--c-ink);
}
.around-meta{
  font-family:var(--font-s);
  font-size:.66rem;
  letter-spacing:.25em;
  color:var(--c-coral-deep);
  margin-bottom:.7rem;
  font-weight:500;
}
.around-body p:not(.around-meta){
  font-size:.78rem;
  line-height:1.85;
  letter-spacing:.04em;
  color:var(--c-ink-mute);
}

/* ============================================================
   BOOKING
   ============================================================ */
.booking{
  position:relative;
  background:#0d2c47;
  color:#fff;
  overflow:hidden;
}
.booking-bg{position:absolute;inset:0;z-index:0}
.booking-tint{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(255,111,133,.18) 0%, transparent 50%),
    radial-gradient(ellipse at 15% 85%, rgba(109,180,207,.18) 0%, transparent 50%),
    linear-gradient(180deg, #0d2c47 0%, #061a30 100%);
}
.booking-coral{
  position:absolute;
  top:8%;
  right:6%;
  width:130px;
  opacity:.5;
  animation:coralFloat 9s ease-in-out infinite;
}
.booking .inner{position:relative;z-index:1}
.booking-info{
  max-width:560px;
  margin:0 auto 3rem;
  padding-top:1rem;
}
.bi-row{
  display:flex;
  align-items:flex-start;
  gap:1.6rem;
  padding:1.1rem 0;
  border-bottom:1px solid rgba(255,255,255,.13);
}
.bi-label{
  flex:0 0 110px;
  font-family:var(--font-s);
  font-size:.72rem;
  letter-spacing:.25em;
  color:var(--c-coral-soft);
  padding-top:.3em;
  font-weight:500;
}
.bi-val{
  flex:1;
  font-size:.92rem;
  letter-spacing:.05em;
  line-height:1.75;
}
.bi-val a{
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.4);
  padding-bottom:1px;
  font-family:var(--font-s);
  font-size:1.02rem;
  letter-spacing:.08em;
  font-weight:300;
  transition:border-color .25s ease;
}
.bi-val a:hover{border-color:var(--c-coral)}
.booking-cta{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:1rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  background:#061a30;
  color:rgba(255,255,255,.55);
  padding:3rem 1.6rem 2.5rem;
  text-align:center;
  font-family:var(--font-m);
}
.footer-name{
  font-size:1rem;
  letter-spacing:.4em;
  color:#fff;
  margin-bottom:.7rem;
}
.footer-addr{
  font-size:.78rem;
  letter-spacing:.1em;
  margin-bottom:1.3rem;
}
.footer-note{
  font-family:var(--font-s);
  font-size:.7rem;
  letter-spacing:.08em;
  color:rgba(255,255,255,.4);
  margin-bottom:1.2rem;
  line-height:1.7;
}
.footer-copy{
  font-family:var(--font-e);
  font-size:.78rem;
  letter-spacing:.3em;
  color:rgba(255,255,255,.4);
}

/* ============================================================
   レスポンシブ：スマホ
   ============================================================ */
@media (max-width:768px){
  .site-header{padding:.9rem 1.1rem}
  .site-logo{font-size:1rem;letter-spacing:.32em}
  .menu-btn{
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    width:26px;height:18px;
    position:relative;z-index:201;
  }
  .menu-btn span{
    display:block;width:100%;height:1.5px;
    background:#fff;transition:all .3s ease;
  }
  .site-nav{
    position:fixed;
    top:0;right:0;
    width:75%;max-width:300px;
    height:100vh;
    background:rgba(13,44,71,.96);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    flex-direction:column;
    justify-content:center;align-items:center;
    gap:2rem;
    transform:translateX(100%);
    transition:transform .4s ease;
    z-index:199;
    padding:2rem;
  }
  .site-nav.open{transform:translateX(0)}
  .site-nav a{font-size:.92rem;letter-spacing:.2em}
  .nav-close{
    display:block;
    position:absolute;
    top:1.2rem;right:1.4rem;
    font-size:1.5rem;color:#fff;
  }
  .lang-switcher{top:.7rem;right:3.6rem;padding:.22rem}
  .lang-btn{font-size:.66rem;padding:.32rem .5rem}

  /* FV */
  .fv-content{padding-top:14vh}
  .overline{font-size:.58rem;letter-spacing:.32em;margin-bottom:1.4rem}
  .fv-catch{font-size:1.6rem;letter-spacing:.14em;line-height:2;margin-bottom:1.2rem}
  .fv-sub{font-size:.7rem;letter-spacing:.1em}
  .fv-coral{top:11%;right:4%;width:110px}
  .fv-dome{bottom:6%;width:88vw}
  .fv-scroll{bottom:1.2rem}
  .fv-scroll .line{height:36px}

  /* シーン */
  .scene-content{
    padding:0 1.6rem;
    max-width:100%;
    left:0;right:0;
    text-align:left;
    align-items:flex-start;
  }
  .align-right{text-align:left;align-items:flex-start}
  .align-right .scene-text{margin-left:0}
  .scene-time{font-size:3.2rem;margin-bottom:1rem}
  .scene-time-small{font-size:.64rem;letter-spacing:.36em;margin-bottom:1.2rem}
  .scene-title{font-size:1.32rem;letter-spacing:.08em;line-height:1.85;margin-bottom:1rem}
  .scene-text{font-size:.83rem;line-height:1.95;max-width:100%}
  .scene-label{
    bottom:1.5rem;
    font-size:.58rem;
    letter-spacing:.3em;
    padding:.4rem 1rem;
  }
  .bg-coral-large{top:auto;bottom:35%;right:-15%;transform:none;width:75vw}
  .bg-dome-large{height:55vh}
  .bg-palm{width:28%;min-width:90px}
  .bg-sup{width:80vw;bottom:25%}

  /* セクション共通 */
  .sec{padding:5rem 1.2rem}
  .sec-head{margin-bottom:3rem}
  .sec-title{font-size:1.45rem;letter-spacing:.08em;line-height:1.8}

  /* Rooms */
  .rooms-grid{grid-template-columns:1fr;gap:1rem}
  .room-card.large{grid-column:span 1}
  .room-visual{aspect-ratio:4/3}
  .room-body{padding:1.2rem 1.3rem 1.4rem}

  /* Bar */
  .bar-features{grid-template-columns:1fr;gap:1rem}
  .bar-feat{padding:1.6rem 1.4rem}

  /* Around */
  .around-grid{grid-template-columns:1fr 1fr;gap:.8rem}
  .around-visual{aspect-ratio:5/3}
  .around-icon{font-size:2rem}
  .around-body{padding:1rem 1rem 1.2rem}
  .around-body h3{font-size:.88rem;letter-spacing:.06em}
  .around-body p:not(.around-meta){font-size:.72rem}

  /* Booking */
  .booking-coral{width:80px;top:3%;right:3%}
  .bi-row{flex-direction:column;gap:.4rem;padding:.9rem 0}
  .bi-label{flex:none;font-size:.66rem}
  .bi-val{font-size:.85rem}
  .bi-val a{font-size:.95rem}
  .btn{min-width:0;width:100%;padding:.95rem 1.5rem;font-size:.78rem}
  .booking-cta{padding:0 .5rem}
}

@media (max-width:380px){
  .fv-catch{font-size:1.4rem;letter-spacing:.1em}
  .scene-title{font-size:1.2rem}
  .scene-time{font-size:2.8rem}
}