/* ===== Sunstripe pastel white theme (Full CSS) ===== */

/* Design tokens */
:root{
  /* Base (light) */
  --bg:#ffffff;
  --bg-alt:#fafbff; /* very light tint */
  --text:#24283b;   /* deep navy for readability */
  --muted:#6b7280;  /* slate */
  --border:#e6e9f2; /* light border */
  --card:#ffffff;

  /* Pastel rainbow accents */
  --c-red:#ff9aa2;    /* sakura pink */
  --c-orange:#ffb997; /* apricot */
  --c-yellow:#ffe28a; /* lemon */
  --c-green:#b5ead7;  /* mint */
  --c-blue:#a7d8ff;   /* sky */
  --c-purple:#cdb4ff; /* lilac */

  /* Primary accent for CTAs */
  --primary:#7cc4ff;      /* calm sky */
  --primary-text:#0b2a46; /* contrast */

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(20, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 24, 40, 0.08);
  --radius: 14px;

  /* Reusable gradient */
  --gradient-rainbow: linear-gradient(90deg, var(--c-red), var(--c-orange), var(--c-yellow), var(--c-green), var(--c-blue), var(--c-purple));
}

/* Reset-ish */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
img{max-width:100%;height:auto;display:block}

/* Base */
body{
  font-family:'Noto Sans JP', system-ui, -apple-system, Segoe UI, Roboto, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:1120px;margin:0 auto;padding:0 16px}
.visually-hidden{position:absolute!important;clip:rect(1px,1px,1px,1px);padding:0;border:0;height:1px;width:1px;overflow:hidden}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,0.8);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{
  font-weight:800;color:var(--text);text-decoration:none;letter-spacing:0.5px;
  position:relative;display:inline-block;padding:6px 0;
}
.logo::after{
  content:"";display:block;height:3px;margin-top:6px;border-radius:999px;background:var(--gradient-rainbow);
}
.nav-toggle{display:none}
.nav-list{display:flex;gap:22px;list-style:none;margin:0;padding:0}
.nav-list a{color:var(--muted);text-decoration:none;font-weight:500}
.nav-list a:hover{color:var(--text)}

/* Mobile nav */
@media (max-width:760px){
  .nav-toggle{
    display:inline-flex;align-items:center;gap:8px;
    background:transparent;color:var(--text);
    border:1px solid var(--border);padding:6px 10px;border-radius:10px;
  }
  .nav-list{
    display:none;flex-direction:column;position:absolute;right:16px;top:68px;
    background:var(--bg);padding:12px 16px;border:1px solid var(--border);
    border-radius:var(--radius);box-shadow:var(--shadow-sm)
  }
  .nav-list.open{display:flex}
}

/* Hero */
.hero{
  padding:84px 0 56px;border-bottom:1px solid var(--border);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(255,154,162,.15), transparent 60%),
    radial-gradient(1200px 600px at 90% 0%, rgba(167,216,255,.18), transparent 60%),
    var(--bg);
}
.hero-inner{display:grid;gap:16px}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:0}
.hero h1::selection{background:var(--c-yellow)}
.hero p{color:var(--muted);margin:0 0 10px}

/* Buttons */
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 16px;border:1px solid var(--border);
  border-radius:12px;background:var(--card);color:var(--text);
  text-decoration:none;box-shadow:var(--shadow-sm);
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn.primary{background:var(--primary);color:var(--primary-text);border-color:transparent}
.btn-inline{background:none;border:none;color:#2563eb;cursor:pointer}

/* Search */
.search{display:flex;gap:8px;align-items:center;margin-top:12px}
.search input{
  flex:1;min-width:220px;padding:12px 12px;border-radius:12px;
  border:1px solid var(--border);background:#ffffff;color:var(--text);box-shadow:var(--shadow-sm)
}
.search button{white-space:nowrap}

/* Sections */
.section{padding:56px 0}
.section.alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section h2{margin:0 0 18px;font-size:22px;position:relative}
.section h2::after{
  content:"";position:absolute;left:0;bottom:-6px;height:6px;width:120px;border-radius:999px;
  background:var(--gradient-rainbow);opacity:.85
}

/* Grid & Cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{
  background:var(--card);border:1px solid var(--border);padding:18px;
  border-radius:var(--radius);box-shadow:var(--shadow-sm)
}
.card h3{margin:0 0 8px}
.link{color:#2563eb;text-decoration:none}
.link:hover{text-decoration:underline}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid{grid-template-columns:1fr}}

/* News list */
.news-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.news-item{display:flex;gap:12px;align-items:center}
.news-item time{color:var(--muted);font-variant-numeric:tabular-nums;min-width:8.5ch}
.news-item a{color:var(--text);text-decoration:none}
.news-item a:hover{text-decoration:underline}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery-item{
  aspect-ratio:16/9;overflow:hidden;border-radius:12px;border:1px solid var(--border);
  background:#fff;box-shadow:var(--shadow-sm)
}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block}
@media (max-width:800px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.gallery-grid{grid-template-columns:1fr}}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:26px 0;background:#fff}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.footer-nav{list-style:none;display:flex;gap:14px;margin:0;padding:0}
.footer-nav a{color:var(--muted);text-decoration:none}
.footer-nav a:hover{color:var(--text)}

/* Cookie consent */
.consent{
  position:fixed;left:16px;right:16px;bottom:16px;background:#ffffff;
  border:1px solid var(--border);border-radius:12px;padding:10px 12px;z-index:60;box-shadow:var(--shadow-md)
}

/* Modal */
.modal{position:fixed;inset:0;display:none;z-index:70}
.modal[aria-hidden="false"]{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.35)}
.modal-content{
  position:relative;max-width:900px;margin:6vh auto;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-md)
}
.modal-close{position:absolute;top:8px;right:8px;border:none;background:transparent;color:var(--text);font-size:20px;cursor:pointer}
.calendar-embed iframe{width:100%;min-height:500px;border:0;border-radius:12px;box-shadow:var(--shadow-sm)}

/* Utilities */
.rainbow-border{position:relative}
.rainbow-border::before{content:"";position:absolute;inset:-1px;border-radius:calc(var(--radius) + 1px);background:var(--gradient-rainbow);z-index:0}
.rainbow-border > *{position:relative;z-index:1}