@charset "UTF-8";
/*
 * idea-data.net common.css
 * Common design foundation / Header / Footer / utility classes
 * Generated 2026-08-30
 */
:root{
  --navy:#0A4F82;
  --blue:#0C66A6;
  --blue-dark:#0A4F82;
  --accent:#0C66A6;
  --red:#C10F23;
  --text:#323737;
  --sub:#5E6670;
  --soft:#F5F7F9;
  --soft-blue:#EEF5FA;
  --line:#DDE3E8;
  --white:#FFFFFF;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans JP","Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}
@media(max-width:880px){
  .container{width:calc(100% - 40px)}
}

/* Small utilities replacing former inline style attributes */
.u-text-xs{font-size:12px!important}
.u-m-0{margin:0!important}
.u-mt-6{margin-top:6px!important}
.u-mt-8{margin-top:8px!important}
.u-mt-28{margin-top:28px!important}
.u-mb-0{margin-bottom:0!important}
.u-ml-0{margin-left:0!important}
.u-text-center{text-align:center!important}
.u-justify-center{justify-content:center!important}
.u-bg-soft{background:var(--soft)!important}


/* ===== CANONICAL HEADER v3 : isolated from page CSS ===== */
.ip-header{position:sticky;top:0;z-index:500;background:#fff;border-bottom:1px solid #DDE3E8;font-family:"Noto Sans JP","Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif}
.ip-header *{box-sizing:border-box}
.ip-header .ip-header-inner{width:min(1120px,calc(100% - 48px));height:76px;margin:auto;display:flex;align-items:center;gap:22px}
.ip-header .ip-brand{display:flex;align-items:center;gap:14px;flex:0 0 auto;text-decoration:none;color:#323737}
.ip-header .ip-brand img{display:block;width:168px;height:auto}
.ip-header .ip-brand span{font-size:12px;line-height:1.35;color:#5E6670;white-space:nowrap}
.ip-header .ip-right{display:flex;align-items:center;justify-content:flex-end;gap:19px;margin-left:auto;min-width:0}
.ip-header .ip-nav{display:flex;align-items:center;gap:20px;white-space:nowrap}
.ip-header .ip-nav>a,
.ip-header .ip-parent{color:#323737;text-decoration:none;font-size:14px;line-height:1.4;font-weight:700}
.ip-header .ip-nav>a:hover,
.ip-header .ip-parent:hover,
.ip-header .ip-parent.active{color:#0C66A6}
.ip-header .ip-dropdown{position:relative;height:76px;display:flex;align-items:center}
.ip-header .ip-arrow{margin-left:3px;font-size:10px}
.ip-header .ip-panel{position:absolute;top:67px;padding:8px;background:#fff;border:1px solid #DDE3E8;border-radius:8px;box-shadow:0 12px 28px rgba(15,45,65,.11);opacity:0;visibility:hidden;transform:translateY(-5px);transition:.16s ease}
.ip-header .ip-dropdown:hover .ip-panel,
.ip-header .ip-dropdown:focus-within .ip-panel{opacity:1;visibility:visible;transform:translateY(0)}
.ip-header .ip-service-panel{left:-18px;width:310px}
.ip-header .ip-company-panel{right:-20px;width:285px}
.ip-header .ip-panel a{display:block;padding:11px 13px;border-radius:5px;text-decoration:none}
.ip-header .ip-panel a:hover{background:#F1F6FB}
.ip-header .ip-panel a.ip-all{padding-bottom:13px;margin-bottom:5px;border-bottom:1px solid #DDE3E8;border-radius:5px 5px 0 0}
.ip-header .ip-panel strong{display:block;color:#0A4F82;font-size:13px;line-height:1.45}
.ip-header .ip-panel span{display:block;margin-top:2px;color:#5E6670;font-size:11px;line-height:1.45;font-weight:400}
.ip-header .ip-phone{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-left:16px;border-left:1px solid #DDE3E8;text-decoration:none;white-space:nowrap;line-height:1.2}
.ip-header .ip-phone span{font-size:10px;font-weight:700;color:#5E6670}
.ip-header .ip-phone strong{margin-top:4px;font-size:16px;color:#0A4F82;letter-spacing:.01em}
.ip-header .ip-contact{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:6px;background:#0C66A6;color:#fff!important;text-decoration:none;font-size:13px;font-weight:700;white-space:nowrap}
.ip-header .ip-contact:hover{background:#0A4F82}
.ip-header .ip-mobile-actions,
.ip-header .ip-mobile-menu{display:none}

@media(max-width:1100px){
 .ip-header .ip-header-inner{gap:16px}
 .ip-header .ip-brand span{display:none}
 .ip-header .ip-nav{gap:14px}
 .ip-header .ip-nav>a,.ip-header .ip-parent{font-size:13px}
 .ip-header .ip-right{gap:13px}
 .ip-header .ip-phone{padding-left:12px}
 .ip-header .ip-phone strong{font-size:14px}
 .ip-header .ip-contact{padding:0 13px}
}
@media(max-width:880px){
 .ip-header .ip-header-inner{width:calc(100% - 40px);height:64px}
 .ip-header .ip-brand img{width:140px}
 .ip-header .ip-right{display:none}
 .ip-header .ip-mobile-actions{display:flex;align-items:center;gap:7px;margin-left:auto}
 .ip-header .ip-mobile-phone,.ip-header .ip-mobile-contact{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 10px;border-radius:6px;text-decoration:none;font-size:11px;font-weight:700}
 .ip-header .ip-mobile-phone{border:1px solid #0C66A6;color:#0C66A6;background:#fff}
 .ip-header .ip-mobile-contact{background:#0C66A6;color:#fff}
 .ip-header .ip-menu-btn{width:42px;height:42px;padding:7px 8px 5px;border:0;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
 .ip-header .ip-menu-btn span{display:block;width:22px;height:2px;background:#323737}
 .ip-header .ip-menu-btn b{font-size:7px;line-height:1;color:#5E6670}
 .ip-header .ip-mobile-menu{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-top:1px solid #DDE3E8;border-bottom:1px solid #DDE3E8;box-shadow:0 12px 24px rgba(15,45,65,.09)}
 .ip-header .ip-mobile-menu.open{display:block}
 .ip-header .ip-mobile-menu-inner{width:calc(100% - 40px);margin:auto;padding:8px 0 18px}
 .ip-header .ip-mobile-menu-inner>a,.ip-header .ip-mobile-row{border-bottom:1px solid #E7EBEE}
 .ip-header .ip-mobile-menu-inner>a,.ip-header .ip-mobile-row>a{display:block;padding:14px 4px;color:#323737;text-decoration:none;font-size:14px;font-weight:700}
 .ip-header .ip-mobile-row{display:grid;grid-template-columns:1fr 48px;align-items:center}
 .ip-header .ip-mobile-toggle{height:100%;border:0;background:#fff;color:#0C66A6;font-size:21px}
 .ip-header .ip-mobile-sub{display:none;padding:4px 0 9px;background:#F5F7F9}
 .ip-header .ip-mobile-sub.open{display:block}
 .ip-header .ip-mobile-sub a{display:block;padding:10px 16px;color:#323737;text-decoration:none;font-size:13px}
}



/* ===== CANONICAL FOOTER v2 : isolated from page CSS ===== */
.ip-footer{
  background:#0A4F82;
  color:#fff;
  padding:72px 0 44px;
  font-family:"Noto Sans JP","Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  font-size:13px;
  line-height:1.7;
}
.ip-footer *{box-sizing:border-box}
.ip-footer .ip-footer-inner{
  width:min(1120px,calc(100% - 48px));
  margin:0 auto;
}
.ip-footer .ip-footer-main{
  display:grid;
  grid-template-columns:1.02fr 1.98fr;
  gap:72px;
  align-items:start;
}
.ip-footer .ip-footer-brand img{
  display:block;
  width:176px;
  height:auto;
  filter:brightness(0) invert(1);
  opacity:.96;
}
.ip-footer .ip-company{
  margin:20px 0 0;
  color:#fff;
  font-size:15px;
  line-height:1.5;
  font-weight:700;
}
.ip-footer .ip-address{
  margin:8px 0 0;
  color:rgba(255,255,255,.76);
  font-size:13px;
  line-height:1.75;
  font-weight:400;
}
.ip-footer .ip-phones{
  margin:16px 0 0;
  color:rgba(255,255,255,.76);
  font-size:13px;
  line-height:1.85;
  font-weight:400;
}
.ip-footer .ip-phones strong{
  display:inline-block;
  width:116px;
  margin:0;
  color:#fff;
  font-size:13px !important;
  line-height:1.85 !important;
  font-weight:600 !important;
  letter-spacing:0;
}
.ip-footer .ip-footer-nav{
  display:grid;
  grid-template-columns:1.12fr .92fr 1.18fr;
  gap:38px;
  align-items:start;
}
.ip-footer .ip-footer-col{
  min-width:0;
}
.ip-footer .ip-footer-col h3{
  margin:0 0 14px;
  padding:0 0 10px;
  border-bottom:1px solid rgba(255,255,255,.18);
  color:#fff;
  font-size:14px;
  line-height:1.5;
  font-weight:700;
}
.ip-footer .ip-footer-col a{
  display:block;
  margin:0;
  padding:4px 0;
  color:rgba(255,255,255,.76);
  text-decoration:none;
  font-size:13px;
  line-height:1.55;
  font-weight:400;
}
.ip-footer .ip-footer-col a:hover{
  color:#fff;
  text-decoration:underline;
}
.ip-footer .ip-official-link{
  white-space:nowrap;
  font-size:12.5px !important;
}
.ip-footer .ip-footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:30px;
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.18);
}
.ip-footer .ip-footer-bottom-nav{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
}
.ip-footer .ip-footer-bottom-nav a,
.ip-footer .ip-copyright{
  margin:0;
  color:rgba(255,255,255,.56);
  text-decoration:none;
  font-size:11px;
  line-height:1.5;
  font-weight:400;
}
@media(max-width:880px){
  .ip-footer{padding:56px 0 36px}
  .ip-footer .ip-footer-inner{width:calc(100% - 40px)}
  .ip-footer .ip-footer-main{grid-template-columns:1fr;gap:38px}
  .ip-footer .ip-footer-nav{grid-template-columns:1fr;gap:26px}
  .ip-footer .ip-footer-bottom{align-items:flex-start;flex-direction:column;gap:13px;margin-top:32px}
  .ip-footer .ip-official-link{white-space:normal;font-size:13px !important}
}