/* ====== SORARIUM — Light Ocean Theme (Portal Style) ====== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@200;300;400;500;600;700;900&family=Cormorant+Garamond:wght@300;400;600&display=swap');

:root {
  --bg: #f5f9fc;
  --bg-warm: #eaf3f8;
  --bg-section: #f0f6fa;
  --bg-dark: #ffffff;
  --bg-darker: #f0f4f8;
  --gold: #1a8ab5;
  --gold-light: #2aa5d4;
  --gold-dim: #0e6a8f;
  --gold-pale: #d4edf7;
  --lavender: #1a8ab5;
  --lavender-light: #2aa5d4;
  --lavender-pale: rgba(26,138,181,0.06);
  --blue-soft: #2a8fc4;
  --text-dark: #1a2a3a;
  --text-body: #3a4a5a;
  --text-muted: rgba(60,80,100,0.5);
  --text-light: rgba(60,80,100,0.25);
  --text-white: #ffffff;
  --border-light: rgba(26,138,181,0.12);
  --border-gold: rgba(26,138,181,0.2);
  --cyan: #1a8ab5;
  --cyan-soft: #0e6a8f;
  --cyan-glow: rgba(26,138,181,0.25);
  --deep: #f5f9fc;
  --ocean: #eaf3f8;
  --ocean-mid: #dfedf5;
  --white: #1a2a3a;
  --white-soft: #3a4a5a;
  --border: rgba(26,138,181,0.12);
  --border-glow: rgba(26,138,181,0.3);
  --glass: rgba(255,255,255,0.8);
  --font-display: 'Noto Serif JP', serif;
  --font-body: 'Noto Serif JP', serif;
  --font-accent: 'Noto Serif JP', serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;overflow-x:hidden;}
body{background:var(--bg);color:var(--text-body);font-family:var(--font-body);font-weight:400;line-height:1.8;}
::selection{background:rgba(26,138,181,0.2);color:#1a2a3a;}

/* ====== GLOBAL BACKGROUND ====== */
body::before{
  content:'';position:fixed;inset:0;z-index:-2;
  background:linear-gradient(180deg,var(--ocean-mid) 0%,var(--ocean) 15%,var(--bg) 40%,var(--bg) 100%);
}

/* ====== HEADER (Mobile) ====== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:220;
  display:flex;justify-content:space-between;align-items:center;
  padding:0.9rem 1.5rem;
  background:var(--bg-dark);
}
.header-spacer{width:30px;flex-shrink:0;}
.header-title{
  text-decoration:none;text-align:center;flex:1;
  display:flex;flex-direction:column;align-items:center;
}
.header-title .ja{
  font-family:var(--font-accent);font-size:1.25rem;
  letter-spacing:0.35em;color:var(--cyan-soft);
  font-weight:400;
}
.hamburger{
  width:30px;height:20px;position:relative;cursor:pointer;
  background:none;border:none;z-index:250;flex-shrink:0;
}
.hamburger span{
  display:block;width:100%;height:1.5px;
  background:var(--cyan-soft);position:absolute;left:0;
  transition:all 0.35s;
}
.hamburger span:nth-child(1){top:0;}
.hamburger span:nth-child(2){top:50%;transform:translateY(-50%);}
.hamburger span:nth-child(3){bottom:0;}
.hamburger.active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg);background:var(--cyan);}
.hamburger.active span:nth-child(2){opacity:0;}
.hamburger.active span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg);background:var(--cyan);}

/* ====== MOBILE NAV OVERLAY ====== */
.nav-overlay{
  position:fixed;inset:0;z-index:210;
  background:var(--bg-dark);
  display:flex;flex-direction:column;align-items:center;
  padding-top:80px;
  opacity:0;visibility:hidden;transition:opacity 0.4s,visibility 0.4s;
}
.nav-overlay.open{opacity:1;visibility:visible;}
.nav-menu-title{
  font-family:var(--font-accent);font-size:0.75rem;
  letter-spacing:0.35em;color:var(--cyan-soft);
  text-align:center;margin-bottom:1.5rem;opacity:0.7;
}
.nav-grid{
  display:grid;grid-template-columns:1fr 1fr;
  width:100%;max-width:500px;
  border-top:1px solid var(--border-gold);
}
.nav-grid a{
  display:flex;align-items:center;justify-content:center;
  padding:1.3rem 1rem;
  font-family:var(--font-accent);font-size:0.95rem;
  letter-spacing:0.2em;color:var(--cyan-soft);
  text-decoration:none;
  border-bottom:1px solid var(--border-gold);
  transition:color 0.3s,background 0.3s;
}
.nav-grid a:nth-child(odd){border-right:1px solid var(--border-gold);}
.nav-grid a:hover{color:var(--cyan);background:rgba(26,138,181,0.04);}
.nav-grid a.current{color:var(--text-dark);}

/* ====== DESKTOP NAV ====== */
.desktop-nav{
  display:none;position:fixed;top:0;left:0;right:0;z-index:200;
  flex-direction:column;align-items:center;
  padding:0.6rem 2rem 0.2rem;
  background:var(--bg-dark);
}
.desktop-nav .dn-title{text-decoration:none;text-align:center;margin-bottom:0.1rem;}
.desktop-nav .dn-title .ja{
  font-family:var(--font-accent);font-size:2rem;
  letter-spacing:0.3em;color:var(--cyan-soft);
  font-weight:400;
}
.desktop-nav nav{display:flex;justify-content:center;gap:0;flex-wrap:wrap;width:100%;}
.desktop-nav nav a{
  color:var(--text-body);text-decoration:none;
  font-family:var(--font-accent);font-size:1rem;letter-spacing:0.18em;
  padding:0.4rem 1.1rem;transition:all 0.3s;position:relative;
}
.desktop-nav nav a::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:12px;background:var(--border-gold);
}
.desktop-nav nav a:first-child::before{display:none;}
.desktop-nav nav a:hover{color:var(--cyan);}
.desktop-nav nav a.current{color:var(--cyan-soft);}

@media(min-width:769px){
  .site-header{display:none;}
  .nav-overlay{display:none !important;}
  .desktop-nav{display:flex;}
}

/* ====== VE-STYLE DECO PAGE HEADER ====== */
.ve-page-header{padding-top:110px;}
@media(max-width:768px){.ve-page-header{padding-top:70px;}}

.ve-page-deco{
  position:relative;
  padding:2.5rem 1rem;
  margin:0;
}
.ve-page-deco::before{
  content:'';position:absolute;inset:0;z-index:0;
  background:url(../img/bg_stage.jpg) center/cover no-repeat;
  filter:blur(4px) brightness(0.85);
}
.ve-page-deco::after{
  content:'';position:absolute;inset:0;z-index:0;
  background:rgba(255,255,255,0.15);
}
.ve-page-deco-tl,.ve-page-deco-tr,.ve-deco-bl,.ve-deco-br{
  position:absolute;width:40px;height:40px;
  border:1px solid var(--cyan);opacity:0.35;z-index:2;pointer-events:none;
}
.ve-page-deco-tl{top:10px;left:10px;border-right:none;border-bottom:none;}
.ve-page-deco-tr{top:10px;right:10px;border-left:none;border-bottom:none;}
.ve-deco-bl{bottom:10px;left:10px;border-right:none;border-top:none;}
.ve-deco-br{bottom:10px;right:10px;border-left:none;border-top:none;}

.ve-heading{text-align:center;position:relative;z-index:1;}
.ve-heading h2{
  font-family:var(--font-display);font-size:1.5rem;font-weight:400;
  letter-spacing:0.25em;color:var(--text-dark);margin-bottom:0;
  text-indent:0.25em;
}

/* ====== SECTION HEADING ====== */
.section-heading{text-align:center;margin-bottom:2.5rem;}
.section-heading .en{
  font-family:var(--font-accent);font-size:0.8rem;
  letter-spacing:0.5em;color:var(--text-muted);margin-bottom:0.5rem;
  text-transform:uppercase;
}
.section-heading h2{
  font-family:var(--font-display);font-size:1.4rem;
  letter-spacing:0.15em;color:var(--text-dark);font-weight:600;
}
.section-heading .line{
  width:200px;height:1px;margin:1rem auto 0;
  background:linear-gradient(90deg,transparent,rgba(26,138,181,0.3),transparent);
}

/* ====== CONTENT WRAPPERS ====== */
.content-wrap{max-width:860px;margin:0 auto;padding:3rem 1.5rem 4rem;}
.content-wrap-wide{max-width:1000px;margin:0 auto;padding:3rem 1.5rem 4rem;}
@media(min-width:769px){
  .content-wrap{padding:4rem 2rem 5rem;}
  .content-wrap-wide{padding:4rem 2rem 5rem;}
}

/* ====== BREADCRUMB ====== */
.breadcrumb{max-width:860px;margin:0 auto;padding:1rem 1.5rem 0;font-size:0.75rem;color:var(--text-muted);}
.breadcrumb a{color:var(--cyan-soft);text-decoration:none;transition:color 0.3s;}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb span{margin:0 0.5rem;color:var(--text-light);}

/* ====== NEWS LIST ====== */
.news-list{list-style:none;}
.news-item{
  display:flex;align-items:baseline;gap:1.5rem;
  padding:1.2rem 0;border-bottom:1px solid var(--border);
  transition:background 0.3s;
}
.news-item:hover{background:rgba(26,138,181,0.03);}
.news-date{font-family:var(--font-accent);font-size:0.85rem;color:var(--cyan-soft);letter-spacing:0.05em;white-space:nowrap;min-width:100px;}
.news-tag{font-size:0.6rem;letter-spacing:0.15em;padding:0.2rem 0.6rem;border-radius:2px;background:rgba(26,138,181,0.08);color:var(--cyan-soft);white-space:nowrap;border:1px solid var(--border);}
.news-text{font-size:0.9rem;color:var(--text-body);}
.news-text a{color:var(--text-body);text-decoration:none;transition:color 0.3s;}
.news-text a:hover{color:var(--cyan);}

/* ====== BUTTONS ====== */
.btn-more{
  display:inline-block;font-family:var(--font-accent);font-size:0.8rem;
  letter-spacing:0.25em;color:var(--cyan-soft);
  border:1px solid var(--border-glow);
  padding:0.7rem 2.5rem;text-decoration:none;border-radius:3px;transition:all 0.3s;
}
.btn-more:hover{background:rgba(26,138,181,0.08);border-color:var(--cyan);color:var(--cyan);}
.btn-primary{
  display:inline-block;font-family:var(--font-accent);font-size:0.8rem;
  letter-spacing:0.25em;color:var(--cyan-soft);
  border:1px solid var(--border-glow);
  padding:0.7rem 2.5rem;text-decoration:none;border-radius:3px;
  background:transparent;cursor:pointer;transition:all 0.3s;
}
.btn-primary:hover{background:rgba(26,138,181,0.08);border-color:var(--cyan);color:var(--cyan);}

/* ====== INFO CARDS ====== */
.info-card{
  background:var(--glass);border-radius:6px;padding:2.2rem 2rem;
  box-shadow:0 2px 15px rgba(0,0,0,0.06);
  border:1px solid var(--border);
  
  transition:all 0.4s;
}
.info-card:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(26,138,181,0.1);border-color:var(--border-glow);}
.info-card .icon{width:36px;height:36px;border-radius:50%;background:rgba(26,138,181,0.08);display:flex;align-items:center;justify-content:center;font-size:1rem;margin-bottom:1.2rem;}
.info-card h3{font-family:var(--font-display);font-size:0.85rem;letter-spacing:0.15em;color:var(--cyan-soft);margin-bottom:0.8rem;font-weight:600;}
.info-card p{font-size:0.92rem;line-height:1.9;color:var(--white-soft);}
.info-card .sub{font-size:0.78rem;color:var(--text-muted);margin-top:0.4rem;}

/* ====== FORM ====== */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;}
.form-group{margin-bottom:1.3rem;}
.form-group label{display:block;font-size:0.7rem;letter-spacing:0.2em;color:var(--cyan-soft);margin-bottom:0.5rem;font-family:var(--font-display);}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:0.85rem 1.1rem;
  background:#fff;
  border:1px solid var(--border);border-radius:4px;
  font-family:var(--font-body);font-size:0.88rem;color:var(--text-dark);
  outline:none;transition:border-color 0.3s,box-shadow 0.3s;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(26,138,181,0.1);}
.form-group textarea{min-height:130px;resize:vertical;}
@media(max-width:768px){.form-row{grid-template-columns:1fr;}}

/* ====== FOOTER ====== */
footer{background:var(--bg-darker);padding:3rem 2rem;text-align:center;border-top:1px solid rgba(26,138,181,0.1);}
.footer-links{display:flex;justify-content:center;gap:1.2rem;flex-wrap:wrap;margin-bottom:2rem;}
.footer-links a{font-family:var(--font-accent);font-size:0.7rem;letter-spacing:0.12em;color:var(--text-muted);text-decoration:none;transition:color 0.3s;}
.footer-links a:hover{color:var(--cyan-soft);}
.footer-title{font-family:var(--font-accent);font-size:1rem;color:rgba(26,138,181,0.4);margin-bottom:0.3rem;letter-spacing:0.2em;}
.footer-copy{font-size:0.65rem;color:var(--text-light);letter-spacing:0.05em;}

/* ====== SCROLL REVEAL ====== */
.reveal{opacity:0;transform:translateY(35px);transition:all 0.9s cubic-bezier(0.16,1,0.3,1);}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ====== FLOAT TO TOP ====== */
.float-top{
  position:fixed;bottom:1.5rem;right:1.5rem;z-index:100;
  width:44px;height:44px;border-radius:50%;
  background:linear-gradient(135deg,#1a8ab5,#2aa5d4);
  border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 3px 15px rgba(26,138,181,0.3);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity 0.4s,visibility 0.4s,transform 0.4s;
}
.float-top.visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-top:hover{box-shadow:0 6px 20px rgba(26,138,181,0.4);}
.float-top svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;}