:root{
  --blue:#1B6CA8; --blue-d:#12507E; --sky:#7EC8E3; --pale:#EAF4FB;
  --ink:#1E2E38; --gray:#6B7C87; --line:#DCE8F0; --white:#fff;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Noto Sans JP",system-ui,sans-serif;color:var(--ink);background:#fff;
  line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}

/* ---------- header ---------- */
header{position:fixed;top:0;left:0;right:0;z-index:100;padding:18px 32px;
  display:flex;align-items:center;justify-content:space-between;
  transition:background .4s,box-shadow .4s,padding .4s;}
header.solid{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  box-shadow:0 1px 0 var(--line);padding:12px 32px;}
.logo{font-family:Inter,sans-serif;font-weight:600;letter-spacing:.14em;font-size:15px;color:var(--blue);}
.logo small{display:block;font-size:8px;letter-spacing:.2em;color:var(--gray);font-weight:400;}
nav{display:flex;align-items:center;gap:26px;}
nav a{font-family:Inter,sans-serif;font-size:11px;letter-spacing:.14em;color:var(--gray);transition:color .3s;}
nav a:hover{color:var(--blue);}
.shop{background:var(--blue);color:#fff!important;padding:11px 22px;border-radius:40px;
  font-size:11px;letter-spacing:.14em;transition:background .3s;}
.shop:hover{background:var(--blue-d);}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;}
.burger span{width:24px;height:1.5px;background:var(--ink);transition:.3s;}

/* ---------- hero ---------- */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;
  background:linear-gradient(160deg,#F7FCFF 0%,#E4F1FA 55%,#CFE6F5 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:120px 32px 60px;width:100%;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.eyebrow{font-family:Inter,sans-serif;font-size:11px;letter-spacing:.24em;color:var(--blue);
  margin-bottom:26px;display:flex;align-items:center;gap:12px;}
.eyebrow::before{content:"";width:38px;height:1px;background:var(--blue);}
.hero h1{font-size:clamp(46px,7.6vw,88px);font-weight:700;line-height:1.14;letter-spacing:.02em;}
.hero h1 .accent{color:var(--blue);}
.hero p.lead{margin-top:32px;font-size:clamp(14px,1.6vw,16px);color:var(--gray);
  font-weight:300;line-height:2.2;max-width:26em;}
.hero-visual{position:relative;}
.bubble{position:absolute;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,rgba(255,255,255,.95),rgba(126,200,227,.42));
  animation:float 7s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
.hero-img{width:100%;max-width:460px;margin:0 auto;border-radius:18px;
  box-shadow:0 24px 60px rgba(27,108,168,.22);position:relative;z-index:2;}
.scroll-cue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  font-family:Inter,sans-serif;font-size:9px;letter-spacing:.24em;color:var(--gray);text-align:center;}
.scroll-cue::after{content:"";display:block;width:1px;height:44px;background:var(--line);
  margin:12px auto 0;position:relative;overflow:hidden;}

/* rating badges */
.rating-badge{display:inline-flex;align-items:center;gap:8px;background:#fff;
  border:1px solid var(--line);border-radius:30px;padding:9px 20px;margin-top:24px;
  font-size:13px;color:var(--ink);box-shadow:0 8px 20px rgba(27,108,168,.08);}
.rating-badge .stars{color:#F0B429;letter-spacing:.08em;font-size:13px;}
.rating-badge b{font-family:Inter,sans-serif;color:var(--blue);font-size:15px;}
.rating-badge span{color:var(--gray);font-weight:300;}
.rating-summary{display:flex;align-items:center;justify-content:center;gap:10px;
  margin-top:10px;}
.rating-summary .stars-lg{color:#F0B429;font-size:22px;letter-spacing:.08em;}
.rating-summary .score{font-family:Inter,sans-serif;font-size:26px;font-weight:600;color:var(--blue);}
.rating-summary .count{font-size:13px;color:var(--gray);font-weight:300;}

/* ---------- generic section ---------- */
section{padding:130px 32px;}
.wrap{max-width:1120px;margin:0 auto;}
.tag{font-family:Inter,sans-serif;font-size:10px;letter-spacing:.24em;color:var(--blue);
  margin-bottom:22px;display:flex;align-items:center;gap:10px;}
.tag::before{content:"";width:26px;height:1px;background:var(--blue);}
h2{font-size:clamp(30px,4.6vw,52px);font-weight:700;line-height:1.35;letter-spacing:.02em;}
h2 .accent{color:var(--blue);}
.body{margin-top:26px;color:var(--gray);font-weight:300;font-size:15px;line-height:2.3;max-width:34em;}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;}
.split.rev .txt{order:2;}

/* placeholder for images (replace with <img>) */
.ph{background:linear-gradient(140deg,#EAF4FB,#D3E7F4);border:1px dashed #A9C9DE;
  border-radius:14px;display:flex;align-items:center;justify-content:center;
  color:#6E93AC;font-size:12px;letter-spacing:.1em;text-align:center;padding:20px;min-height:320px;}

/* photo blocks */
.ph-img{border-radius:14px;overflow:hidden;box-shadow:0 20px 50px rgba(27,108,168,.14);}
.ph-img img{width:100%;height:100%;object-fit:cover;display:block;}
.dark .ph-img{box-shadow:0 20px 50px rgba(0,0,0,.28);}

/* reveal animation */
.rv{opacity:0;transform:translateY(38px);transition:opacity 1s cubic-bezier(.22,1,.36,1),transform 1s cubic-bezier(.22,1,.36,1);}
.rv.in{opacity:1;transform:none;}
.d1{transition-delay:.12s}.d2{transition-delay:.24s}.d3{transition-delay:.36s}

/* ---------- specific ---------- */
.pale{background:var(--pale);}
.dark{background:linear-gradient(150deg,#123E5F,#1B6CA8);color:#fff;}
.dark h2,.dark .accent{color:#fff;}
.dark .body{color:rgba(255,255,255,.8);}
.dark .tag{color:var(--sky);}
.dark .tag::before{background:var(--sky);}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:60px;}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 26px 34px;text-align:center;}
.step .photo{width:100%;height:150px;border-radius:12px;overflow:hidden;margin-bottom:20px;}
.step .photo img{width:100%;height:100%;object-fit:cover;display:block;}
.step .n{font-family:Inter,sans-serif;font-size:11px;letter-spacing:.2em;color:var(--sky);}
.step h3{font-size:19px;font-weight:500;margin:14px 0 10px;}
.step p{font-size:13px;color:var(--gray);font-weight:300;line-height:2;}

.scenes{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:56px;}
.scene{border-radius:14px;overflow:hidden;background:#fff;border:1px solid var(--line);}
.scene img{width:100%;height:190px;object-fit:cover;display:block;}
.scene p{padding:16px;font-size:14px;font-weight:500;text-align:center;}

.places{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px;}
.place{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px 14px;
  text-align:center;transition:transform .3s,box-shadow .3s;}
.place:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(27,108,168,.12);}
.place svg{width:32px;height:32px;fill:none;stroke:var(--blue);stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px;}
.place p{font-size:13px;font-weight:500;color:var(--ink);line-height:1.6;}
.places-note{margin-top:30px;font-size:13px;color:var(--gray);font-weight:300;line-height:2;}

.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px;}
.voice{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 26px;}
.stars{color:#F0B429;letter-spacing:.14em;font-size:13px;}
.voice p{margin:14px 0 18px;font-size:14px;font-weight:300;line-height:2.1;}
.voice .who{font-size:11px;color:var(--gray);letter-spacing:.06em;}

.lineup{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px;}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:transform .4s,box-shadow .4s;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(27,108,168,.13);}
.card .photo{height:260px;background:#fff;display:flex;align-items:center;justify-content:center;padding:22px;border-bottom:1px solid var(--line);}
.card .photo img{max-height:100%;max-width:100%;object-fit:contain;}
.card .in{padding:24px;flex:1;display:flex;flex-direction:column;}
.card h3{font-size:17px;font-weight:500;}
.card .desc{font-size:13px;color:var(--gray);font-weight:300;margin:8px 0 16px;line-height:1.9;flex:1;}
.card .combo{background:var(--pale);color:var(--blue-d);font-size:12px;font-weight:500;
  padding:10px 14px;border-radius:10px;margin:0 0 16px;line-height:1.7;}
.card .combo b{color:var(--blue);font-size:14px;}
.card .price{font-family:Inter,sans-serif;color:var(--blue);font-size:24px;font-weight:600;margin-top:8px;}
.card .price span{font-family:"Noto Sans JP",sans-serif;font-size:12px;color:var(--gray);font-weight:400;margin-left:6px;}
.card .btn{display:block;text-align:center;background:var(--pale);color:var(--blue);
  padding:13px;border-radius:30px;font-size:13px;font-weight:500;transition:background .3s,color .3s;}
.card:hover .btn{background:var(--blue);color:#fff;}
.card .shop-links{display:flex;gap:8px;margin-top:auto;}
.card .shop-links a{flex:1;text-align:center;background:var(--pale);color:var(--blue);
  padding:11px 4px;border-radius:24px;font-size:11.5px;font-weight:500;letter-spacing:.02em;
  transition:background .3s,color .3s;}
.card .shop-links a:hover{background:var(--blue);color:#fff;}

.cta{text-align:center;}
.cta h2{margin-bottom:18px;}
.btn-main{display:inline-block;background:#fff;color:var(--blue);padding:18px 38px;border-radius:50px;
  font-size:14px;font-weight:500;letter-spacing:.06em;transition:transform .3s,box-shadow .3s;}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.18);}
.shop-btns{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-top:38px;}
.btn-alt{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-alt:hover{background:rgba(255,255,255,.12);box-shadow:none;}

footer{background:#12222C;color:rgba(255,255,255,.55);padding:56px 32px;text-align:center;font-size:12px;font-weight:300;}
footer .logo{color:#fff;margin-bottom:16px;display:inline-block;}
footer a{color:rgba(255,255,255,.75);}

@media(max-width:900px){
  header{padding:14px 20px;}
  nav{position:fixed;inset:0 0 0 auto;width:74%;background:#fff;flex-direction:column;
    justify-content:center;gap:30px;transform:translateX(100%);transition:transform .45s cubic-bezier(.22,1,.36,1);}
  nav.open{transform:none;box-shadow:-10px 0 40px rgba(0,0,0,.12);}
  nav a{font-size:13px;}
  .burger{display:flex;z-index:110;}
  .hero-inner{grid-template-columns:1fr;padding:110px 20px 70px;}
  .hero-visual{order:-1;}
  section{padding:88px 20px;}
  .split{grid-template-columns:1fr;gap:38px;}
  .split.rev .txt{order:0;}
  .steps,.voices,.lineup{grid-template-columns:1fr;}
  .scenes,.places{grid-template-columns:1fr 1fr;}
}