/*
Theme Name: iCEC Education Center
Theme URI: https://icec.co.jp
Author: iCEC
Description: 株式会社国際華文教育センター（iCEC）公式サイト用カスタムテーマ。日本語・中文・英語の3言語切替、トップ/サービス/ストア/お問い合わせ/会社概要の5ページ構成に対応。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: icec
*/

:root{
  --navy:#234DA6;
  --navy-dark:#16306E;
  --cyan:#3DB6E8;
  --bg-light:#EAF4FB;
  --bg-blue:#5B8DEF;
  --text:#2B2E33;
  --text-light:#6B7280;
  --white:#ffffff;
  --radius-pill:40px;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Noto Sans JP','Noto Sans SC','Noto Sans',sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
[lang-tag="ja"] body, body.lang-ja{font-family:'Zen Maru Gothic','Noto Sans JP',sans-serif;}
body.lang-zh{font-family:'Noto Sans SC',sans-serif;}
body.lang-en{font-family:'Noto Sans',sans-serif;}
img,svg{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid #eef1f6;
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;}
.logo .mark{width:38px;height:38px;object-fit:contain;}
.logo .name{font-weight:900;font-size:22px;color:var(--navy-dark);letter-spacing:1px;line-height:1;}
.logo .tagline{font-size:9px;color:var(--text-light);letter-spacing:1px;line-height:1.3;}
nav.main-nav{display:flex;align-items:center;gap:28px;}
nav.main-nav a{
  font-size:14.5px;font-weight:700;color:var(--text);
  padding:8px 2px;position:relative;white-space:nowrap;
}
nav.main-nav a.active{color:var(--navy);}
nav.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--cyan);
}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.lang-switch{position:relative;flex-shrink:0;}
.lang-btn{
  display:flex;align-items:center;gap:6px;border:1px solid #d8dee8;border-radius:var(--radius-pill);
  padding:7px 14px;font-size:13px;font-weight:700;background:var(--white);cursor:pointer;color:var(--text);
  white-space:nowrap;flex-shrink:0;
}
.lang-btn span{white-space:nowrap;}
.lang-menu{
  position:absolute;top:calc(100% + 8px);right:0;background:var(--white);border:1px solid #e5e9f0;border-radius:14px;
  box-shadow:0 10px 30px rgba(20,40,90,0.12);min-width:140px;overflow:hidden;display:none;z-index:50;
}
.lang-menu.open{display:block;}
.lang-menu button{
  width:100%;text-align:left;padding:10px 16px;font-size:13.5px;font-weight:600;background:none;border:none;cursor:pointer;color:var(--text);
}
.lang-menu button:hover{background:var(--bg-light);}
.lang-menu button.active{color:var(--navy);background:var(--bg-light);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-pill);font-weight:700;font-size:14px;padding:11px 26px;
  border:2px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--navy);color:var(--white);box-shadow:0 8px 18px rgba(35,77,166,0.25);}
.btn-outline{background:var(--white);color:var(--navy);border-color:var(--navy);}
.btn-sm{padding:8px 20px;font-size:13px;}
.hamburger{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid #d8dee8;background:var(--white);
  align-items:center;justify-content:center;cursor:pointer;
}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";display:block;width:18px;height:2px;background:var(--navy-dark);position:relative;
}
.hamburger span::before{position:absolute;top:-6px;}
.hamburger span::after{position:absolute;top:6px;}

/* mobile nav drawer */
.mobile-nav{
  display:none;position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;background:var(--white);
  box-shadow:-10px 0 30px rgba(0,0,0,0.15);z-index:200;transform:translateX(100%);transition:transform .25s ease;
  padding:90px 28px 28px;
}
.mobile-nav.open{transform:translateX(0);}
.mobile-nav a{display:block;font-size:17px;font-weight:700;padding:14px 0;border-bottom:1px solid #f0f2f6;color:var(--text);}
.mobile-nav a.active{color:var(--navy);}
.mobile-nav .mn-actions{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.scrim{display:none;position:fixed;inset:0;background:rgba(10,20,40,0.35);z-index:150;}
.scrim.open{display:block;}

/* ---------- Hero / dot bg ---------- */
.dotbg{
  position:absolute;inset:0;background-image:radial-gradient(circle,#cfe3f7 1.6px, transparent 1.6px);
  background-size:18px 18px;opacity:.6;pointer-events:none;
}
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#f3f9ff 0%, #ffffff 70%);
  padding:64px 0 56px;
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 0.9fr;gap:40px;align-items:center;}
.hero h1{font-size:42px;font-weight:900;color:var(--navy-dark);line-height:1.35;margin-bottom:14px;}
.hero h1 .accent{color:var(--cyan);}
.hero p.lead{font-size:16px;color:var(--text-light);margin-bottom:28px;max-width:480px;}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{
  border-radius:24px;background:linear-gradient(135deg,var(--navy) 0%, var(--cyan) 100%);
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;
  box-shadow:0 20px 50px rgba(35,77,166,0.25);position:relative;overflow:hidden;
}

/* ---------- generic sections ---------- */
section.block{padding:72px 0;}
section.block.alt{background:var(--bg-light);}
.section-head{text-align:center;max-width:680px;margin:0 auto 44px;}
.section-head .eyebrow{color:var(--cyan);font-weight:800;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;}
.section-head h2{font-size:30px;font-weight:900;color:var(--navy-dark);margin-bottom:12px;}
.section-head p{color:var(--text-light);font-size:15px;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-3.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;}

.card{
  background:var(--white);border-radius:18px;padding:30px 26px;box-shadow:0 8px 24px rgba(30,50,90,0.08);
  border:1px solid #eef1f6;height:100%;
}
.card .icon,.price-card .icon{
  width:52px;height:52px;border-radius:16px;background:var(--bg-light);display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;font-size:24px;
}
.card h3{font-size:18px;font-weight:800;color:var(--navy-dark);margin-bottom:10px;}
.card p{font-size:14px;color:var(--text-light);}

/* top message */
.message-list{display:flex;flex-direction:column;gap:34px;}
.message-list .message-box:not(:last-child){padding-bottom:34px;border-bottom:1px solid #e3e9f3;}
.message-box{display:flex;gap:36px;align-items:flex-start;}
.message-photo{
  width:120px;height:120px;border-radius:50%;background:var(--bg-light);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:48px;
}
.message-body .eyebrow{margin-bottom:8px;}
.message-body h2{font-size:24px;font-weight:800;color:var(--navy-dark);margin-bottom:16px;}
.message-body p{font-size:14.5px;color:var(--text-light);margin-bottom:12px;line-height:1.9;}
.message-sign{margin-top:14px;font-weight:800;color:var(--navy-dark);font-size:14px;}

/* events */
.event-list{display:flex;flex-direction:column;gap:16px;}
.event-item{
  display:flex;gap:24px;align-items:flex-start;background:var(--white);border-radius:16px;
  padding:22px 26px;border:1px solid #eef1f6;box-shadow:0 6px 18px rgba(30,50,90,0.06);
}
.event-date{
  display:flex;flex-direction:column;align-items:flex-start;gap:8px;min-width:110px;flex-shrink:0;
  font-weight:800;color:var(--navy-dark);font-size:15px;
}
.event-tag{
  background:var(--bg-light);color:var(--navy);font-size:12px;font-weight:700;
  border-radius:999px;padding:4px 12px;
}
.event-body h3{font-size:16px;font-weight:800;color:var(--navy-dark);margin-bottom:6px;}
.event-body p{font-size:14px;color:var(--text-light);}

/* pricing / store */
.price-card{
  background:var(--white);border-radius:20px;padding:34px 28px;text-align:center;border:2px solid #eef1f6;
  display:flex;flex-direction:column;gap:14px;height:100%;
}
.price-card.featured{border-color:var(--navy);box-shadow:0 16px 36px rgba(35,77,166,0.18);position:relative;}
.price-card.featured::before{
  content:attr(data-badge);position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--cyan);color:#fff;font-size:12px;font-weight:800;padding:6px 16px;border-radius:var(--radius-pill);
}
.price-card h3{font-size:17px;font-weight:800;color:var(--navy-dark);}
.price-card .price{font-size:28px;font-weight:900;color:var(--navy);}
.price-card .price small{font-size:13px;color:var(--text-light);font-weight:600;}
.price-card ul{margin:6px 0;display:flex;flex-direction:column;gap:8px;}
.price-card ul li{font-size:13.5px;color:var(--text-light);}
.price-card ul li::before{content:"✓ ";color:var(--cyan);font-weight:900;}

/* table - company */
table.kv{width:100%;border-collapse:collapse;}
table.kv tr{border-bottom:1px solid #eef1f6;}
table.kv th{
  width:180px;text-align:left;padding:18px 16px;background:var(--bg-light);color:var(--navy-dark);font-weight:800;font-size:14px;
  vertical-align:top;
}
table.kv td{padding:18px 16px;font-size:14.5px;color:var(--text);}

/* contact form */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.contact-grid-single{grid-template-columns:1fr;max-width:560px;margin:0 auto;}
.form-field{margin-bottom:18px;display:flex;flex-direction:column;gap:6px;}
.form-field label{font-size:13.5px;font-weight:700;color:var(--navy-dark);}
.form-field input,.form-field textarea{
  border:1.5px solid #dbe3ee;border-radius:12px;padding:12px 14px;font-size:14px;font-family:inherit;color:var(--text);
}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--cyan);}
.form-notice{border-radius:12px;padding:14px 18px;font-size:14px;font-weight:700;margin-bottom:18px;}
.form-notice.success{background:#e7f7ee;color:#1a7a44;}
.form-notice.error{background:#fdeaea;color:#b3261e;}
/* footer */
footer{background:var(--navy-dark);color:#cfdcf4;padding:48px 0 24px;}
.footer-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:28px;}
.footer-top .logo .name{color:#fff;}
.footer-top .logo .tagline{color:#9fb4dd;}
.footer-links{display:flex;gap:28px;flex-wrap:wrap;}
.footer-links a{font-size:13.5px;color:#cfdcf4;font-weight:600;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);padding-top:18px;font-size:12.5px;color:#8fa3cc;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr;}
  .hero-visual{order:-1;aspect-ratio:16/9;}
  .grid-3,.grid-3.grid-4{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:760px){
  nav.main-nav{display:none;}
  .hamburger{display:flex;}
  .hero h1{font-size:30px;}
  .grid-3,.grid-3.grid-4{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .section-head h2{font-size:24px;}
  table.kv th{width:120px;font-size:12.5px;padding:14px 10px;}
  table.kv td{font-size:13px;padding:14px 10px;}
  .footer-top{flex-direction:column;}
  .event-item{flex-direction:column;gap:10px;}
  .event-date{flex-direction:row;align-items:center;gap:10px;}
  .message-box{flex-direction:column;align-items:center;text-align:center;}
  .hero-visual{aspect-ratio:4/3;}
  .header-inner{gap:10px;padding:12px 16px;}
  .logo{gap:8px;min-width:0;}
  .logo .name{font-size:18px;}
  .logo .tagline{display:none;}
  .header-actions{gap:8px;}
  .lang-btn{padding:6px 10px;font-size:12px;gap:4px;}
  .hamburger{width:38px;height:38px;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  section.block{padding:48px 0;}
  .wrap{padding:0 18px;}
  .lang-btn{padding:6px 8px;font-size:11px;}
}