/* おひさま学園 レイバース（adhd.rayverse.jp）共通スタイル — 明るく、太陽の光がきらきらした世界 */
:root{
  --sky-top:#bfe6ff;
  --sky-bottom:#eaf7ff;
  --water:#7fd0f0;
  --water-deep:#3fb2e2;
  --sun:#fff3b0;
  --gold:#f2c14e;
  --ink:#2b3a4a;
  --ink-soft:#5a6b7c;
  --card:rgba(255,255,255,.82);
  --card-border:rgba(255,255,255,.95);
  --accent:#ff9f68;
  --accent-deep:#f07c3a;
  --mint:#9be7c4;
  --lavender:#cdbdf5;
  --radius:22px;
  --shadow:0 12px 40px rgba(40,90,130,.16);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Hiragino Maru Gothic ProN","Hiragino Kaku Gothic ProN","Yu Gothic UI","Noto Sans JP",system-ui,sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,var(--sky-top) 0%,var(--sky-bottom) 55%,#dff3ff 100%);
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.8;
}
a{color:inherit}
h1,h2,h3{font-weight:700;letter-spacing:.02em;line-height:1.35;margin:0 0 .5em}
p{margin:0 0 1em}
.wrap{max-width:1040px;margin:0 auto;padding:24px}
.small{font-size:.85rem;color:var(--ink-soft)}
.center{text-align:center}

/* 太陽ときらきら（背景演出） */
.sky{position:fixed;inset:0;z-index:-2;pointer-events:none;overflow:hidden}
.sun{
  position:absolute;top:-80px;right:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,#fffbe6 0%,var(--sun) 40%,rgba(255,243,176,0) 72%);
  filter:blur(2px);animation:breathe 9s ease-in-out infinite;
}
.rays{
  position:absolute;top:-220px;right:-220px;width:720px;height:720px;border-radius:50%;
  background:conic-gradient(from 0deg,rgba(255,255,255,0) 0 6%,rgba(255,250,210,.55) 8% 10%,rgba(255,255,255,0) 12% 18%,rgba(255,250,210,.45) 20% 22%,rgba(255,255,255,0) 24% 34%,rgba(255,250,210,.5) 36% 38%,rgba(255,255,255,0) 40% 52%,rgba(255,250,210,.4) 54% 56%,rgba(255,255,255,0) 58% 100%);
  animation:spin 70s linear infinite;opacity:.8;
}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
.sparkle{
  position:absolute;width:10px;height:10px;opacity:0;
  background:radial-gradient(circle,#fff 0 30%,rgba(255,255,255,0) 70%);
  animation:twinkle var(--d,4s) ease-in-out var(--delay,0s) infinite;
}
.sparkle::before,.sparkle::after{
  content:"";position:absolute;left:50%;top:50%;background:#fff;border-radius:2px;
}
.sparkle::before{width:2px;height:22px;transform:translate(-50%,-50%)}
.sparkle::after{width:22px;height:2px;transform:translate(-50%,-50%)}
@keyframes twinkle{0%,100%{opacity:0;transform:scale(.4) rotate(0)}50%{opacity:.95;transform:scale(1) rotate(20deg)}}
.cloud{
  position:absolute;background:#fff;border-radius:60px;opacity:.9;filter:blur(.5px);
  animation:drift var(--t,80s) linear infinite;
}
.cloud::before,.cloud::after{content:"";position:absolute;background:#fff;border-radius:50%}
.cloud.c1{width:180px;height:56px;top:12%;left:-200px}
.cloud.c1::before{width:80px;height:80px;top:-40px;left:30px}
.cloud.c1::after{width:60px;height:60px;top:-26px;left:95px}
.cloud.c2{width:120px;height:40px;top:28%;left:-150px;--t:110s;animation-delay:-40s}
.cloud.c2::before{width:56px;height:56px;top:-28px;left:20px}
.cloud.c2::after{width:44px;height:44px;top:-18px;left:62px}
@keyframes drift{to{transform:translateX(calc(100vw + 300px))}}

/* カード・ボタン */
.card{
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:28px;backdrop-filter:blur(6px);
}
.btn{
  display:inline-block;border:0;cursor:pointer;text-decoration:none;
  background:linear-gradient(180deg,var(--accent),var(--accent-deep));color:#fff;
  font-weight:700;font-size:1.05rem;padding:14px 30px;border-radius:999px;
  box-shadow:0 8px 24px rgba(240,124,58,.35);transition:transform .15s,box-shadow .15s;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(240,124,58,.4)}
.btn.ghost{background:#fff;color:var(--ink);box-shadow:0 6px 18px rgba(40,90,130,.12)}
.btn.sm{font-size:.95rem;padding:10px 20px}
.btn[disabled]{opacity:.6;cursor:default;transform:none}
input[type=email],input[type=text]{
  font:inherit;padding:12px 16px;border-radius:14px;border:1px solid #cfe3f0;width:100%;max-width:380px;
  background:#fff;
}
.notice{background:#fff8e6;border:1px solid #ffe3a3;border-radius:14px;padding:12px 16px;font-size:.92rem}
.err{background:#ffeef0;border:1px solid #ffc7cf;border-radius:14px;padding:12px 16px;font-size:.92rem}

/* 世界の中の共通ヘッダー */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:12px 20px;background:rgba(255,255,255,.6);backdrop-filter:blur(8px);
  position:sticky;top:0;z-index:5;border-bottom:1px solid rgba(255,255,255,.9);
}
.topbar .brand{font-weight:700;text-decoration:none;display:flex;align-items:center;gap:8px}
.topbar nav a{text-decoration:none;margin-left:14px;font-size:.95rem;color:var(--ink-soft)}
.topbar nav a:hover{color:var(--ink)}

/* ふわっと現れる（幽霊のようにすーっと進む場面転換） */
.fade-in{animation:fadeIn 1.4s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.glide-out{animation:glideOut .9s ease forwards}
@keyframes glideOut{to{opacity:0;transform:translateY(-30px) scale(1.04);filter:blur(4px)}}

footer{padding:32px 20px;text-align:center;font-size:.85rem;color:var(--ink-soft)}
footer a{color:var(--ink-soft)}

/* 扉（ロビー） */
.doors{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin-top:24px}
.door{
  position:relative;display:block;text-decoration:none;color:var(--ink);
  background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px 20px 20px;transition:transform .2s,box-shadow .2s;overflow:hidden;
}
.door:hover{transform:translateY(-4px);box-shadow:0 18px 48px rgba(40,90,130,.22)}
.door .icon{font-size:2.2rem;line-height:1;margin-bottom:10px}
.door h3{font-size:1.15rem;margin-bottom:6px}
.door p{font-size:.92rem;color:var(--ink-soft);margin:0}
.door.soon{opacity:.72}
.door.soon::after{
  content:"準備中";position:absolute;top:14px;right:-34px;transform:rotate(35deg);
  background:var(--lavender);color:#4b3b7a;font-size:.75rem;font-weight:700;padding:3px 44px;
}
.door .tag{display:inline-block;font-size:.75rem;background:var(--mint);color:#1f5a40;border-radius:999px;padding:2px 10px;margin-bottom:8px}

@media (max-width:600px){
  .wrap{padding:16px}
  .card{padding:20px}
  .btn{width:100%;text-align:center}
}

/* ===== 第2版：画面いっぱいの場面 ===== */
.scene-bg{
  position:fixed;inset:0;z-index:-2;background-size:cover;background-position:center;
  transform-origin:50% 55%;animation:kenburns 48s ease-in-out infinite alternate;
}
@keyframes kenburns{from{transform:scale(1.02)}to{transform:scale(1.12)}}
@media (prefers-reduced-motion:reduce){.scene-bg{animation:none}}
.scene-bg.lake{background-image:url(/world/assets/scenes/lake.jpg)}
.scene-bg.lobby{background-image:url(/world/assets/scenes/lobby.jpg)}
.scene-bg.study{background-image:url(/world/assets/scenes/study.jpg)}
.scene-bg.games{background-image:url(/world/assets/scenes/games.jpg)}
@media (max-width:700px){
  .scene-bg.lake{background-image:url(/world/assets/scenes/lake-s.jpg)}
  .scene-bg.lobby{background-image:url(/world/assets/scenes/lobby-s.jpg)}
  .scene-bg.study{background-image:url(/world/assets/scenes/study-s.jpg)}
  .scene-bg.games{background-image:url(/world/assets/scenes/games-s.jpg)}
}
/* 場面に入るとき：白からふわっと */
.scene-veil{position:fixed;inset:0;z-index:50;background:#fff;pointer-events:none;animation:veilIn 1.6s ease forwards}
@keyframes veilIn{from{opacity:1}to{opacity:0}}
/* 場面を出るとき：すーっと前へ */
body.glide-out .scene-bg{animation:none;transition:transform .9s ease,filter .9s ease;transform:scale(1.25);filter:blur(6px) brightness(1.4)}
body.glide-out .scene-ui{transition:opacity .5s ease;opacity:0}
.scene-veil.out{animation:veilOut .9s ease forwards}
@keyframes veilOut{from{opacity:0}to{opacity:1}}

/* 場面の上に乗せる操作部分 */
.scene-ui{position:relative;z-index:1}
.glass{
  background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.95);border-radius:var(--radius);
  box-shadow:0 12px 40px rgba(40,90,130,.18);backdrop-filter:blur(10px);
}
.scene-title{color:#fff;text-shadow:0 2px 18px rgba(30,70,110,.55),0 0 2px rgba(0,0,0,.3)}
.scene-title h1{font-size:clamp(1.7rem,4.5vw,2.8rem);margin:0 0 4px}
.scene-title p{margin:0;font-weight:700;opacity:.95}
.topbar.glass-bar{background:rgba(255,255,255,.55);border-bottom:1px solid rgba(255,255,255,.8)}
.doors.scene-doors .door{background:rgba(255,255,255,.8)}
.below{background:linear-gradient(180deg,rgba(234,247,255,0) 0,#eaf7ff 120px,#eaf7ff 100%);padding-top:140px;margin-top:-120px}