:root{
  --bg-1:#fff6ef;
  --bg-2:#ffeef5;
  --bg-3:#eef6ff;
  --glass-bg:rgba(255,255,255,0.55);
  --glass-border:rgba(255,255,255,0.85);
  --glass-highlight:rgba(255,255,255,0.9);
  --text-main:#5c4b4f;
  --text-sub:rgba(92,75,79,0.62);
  --accent-1:#ffb5a7;
  --accent-2:#a0e8c0;
  --accent-3:#c3b6f5;
  --accent-4:#ffd97a;
  --shadow-color:rgba(215,170,150,0.28);
}

*{box-sizing:border-box;}

html,body{
  margin:0;
  padding:0;
  min-height:100%;
}

body{
  font-family:"Hiragino Maru Gothic ProN","Yu Gothic","Hiragino Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text-main);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  overflow-x:hidden;
  position:relative;
  background:
    radial-gradient(circle at 12% 15%, var(--bg-3) 0%, transparent 50%),
    radial-gradient(circle at 88% 12%, var(--bg-2) 0%, transparent 55%),
    radial-gradient(circle at 50% 95%, #fff0dc 0%, transparent 50%),
    linear-gradient(160deg, var(--bg-1), #fffaf5 60%, var(--bg-3) 100%);
  background-attachment:fixed;
}

/* floating blurred orbs for depth */
.orb{
  position:fixed;
  border-radius:50%;
  filter:blur(70px);
  opacity:0.45;
  z-index:0;
  pointer-events:none;
  animation:float 18s ease-in-out infinite;
}
.orb--1{width:300px;height:300px;background:var(--accent-1);top:-70px;left:-70px;animation-delay:0s;}
.orb--2{width:260px;height:260px;background:var(--accent-2);bottom:-60px;right:-60px;animation-delay:3s;}
.orb--3{width:220px;height:220px;background:var(--accent-3);top:42%;right:8%;animation-delay:6s;}

@keyframes float{
  0%,100%{transform:translate(0,0) scale(1);}
  50%{transform:translate(18px,-24px) scale(1.06);}
}

.wrap{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1000px;
  padding:48px 24px 64px;
  display:flex;
  flex-direction:column;
  align-items:center;
}

.site-title{
  font-size:clamp(30px,6vw,48px);
  font-weight:800;
  letter-spacing:0.06em;
  margin:0 0 4px;
  text-align:center;
  color:var(--text-main);
}

.site-title-en{
  display:block;
  font-size:13px;
  font-weight:600;
  letter-spacing:0.28em;
  color:var(--text-sub);
  margin:0 0 10px;
  text-align:center;
  text-transform:none;
}

.site-sub{
  color:var(--text-sub);
  font-size:14px;
  letter-spacing:0.06em;
  margin:0 0 40px;
  text-align:center;
}

/* glass card base */
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:28px;
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:
    0 10px 30px var(--shadow-color),
    inset 0 1px 0 var(--glass-highlight);
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}

/* top page: two big choice cards */
.choice-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
  width:100%;
}
@media (max-width:640px){
  .choice-grid{grid-template-columns:1fr;}
}

.choice-card{
  padding:48px 28px;
  text-align:center;
  text-decoration:none;
  color:var(--text-main);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  cursor:pointer;
}
.choice-card:hover{
  transform:translateY(-6px) scale(1.01);
  box-shadow:
    0 16px 38px var(--shadow-color),
    inset 0 1px 0 var(--glass-highlight);
  background:rgba(255,255,255,0.75);
}
.choice-icon{
  font-size:50px;
  line-height:1;
}
.choice-card h2{
  margin:0;
  font-size:20px;
  letter-spacing:0.1em;
  font-weight:700;
}
.choice-card p{
  margin:0;
  font-size:13px;
  color:var(--text-sub);
}

/* app list pages */
.app-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:20px;
  width:100%;
}

.app-card{
  padding:28px 20px;
  text-decoration:none;
  color:var(--text-main);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  text-align:center;
}
.app-card:hover{
  transform:translateY(-5px);
  box-shadow:
    0 14px 32px var(--shadow-color),
    inset 0 1px 0 var(--glass-highlight);
  background:rgba(255,255,255,0.75);
}
.app-icon{
  font-size:34px;
}
.app-card h3{
  margin:0;
  font-size:16px;
  font-weight:700;
  letter-spacing:0.02em;
}
.app-card span.tag{
  font-size:11px;
  color:var(--text-sub);
  letter-spacing:0.08em;
}

/* "add more" placeholder card */
.app-card--add{
  border-style:dashed;
  color:var(--text-sub);
  cursor:default;
  background:rgba(255,255,255,0.3);
}
.app-card--add:hover{
  transform:none;
  box-shadow:none;
  background:rgba(255,255,255,0.3);
}

.back-link{
  margin-top:40px;
  color:var(--text-sub);
  text-decoration:none;
  font-size:13px;
  letter-spacing:0.05em;
  padding:10px 22px;
  border-radius:999px;
  border:1px solid var(--glass-border);
  background:var(--glass-bg);
  backdrop-filter:blur(12px);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.back-link:hover{
  background:rgba(255,255,255,0.8);
  color:var(--text-main);
  transform:translateY(-2px);
}

/* simple placeholder app screen */
.placeholder-box{
  padding:60px 40px;
  text-align:center;
  max-width:480px;
}
.placeholder-box h1{
  margin:0 0 12px;
  font-size:26px;
}
.placeholder-box p{
  color:var(--text-sub);
  font-size:14px;
  line-height:1.7;
}

footer.site-footer{
  position:relative;
  z-index:1;
  color:rgba(92,75,79,0.4);
  font-size:11px;
  letter-spacing:0.1em;
  padding:24px 0 8px;
}