:root{--navy:#001f63;--blue:#006bdc;--cyan:#00a8ee;--pale:#f4f9ff;--line:#dceaf8}.wrap{width:min(1180px,90%);margin:auto}.detail-hero{padding:86px 0 92px;background:linear-gradient(135deg,#fff 25%,#eef8ff 100%);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.35fr .65fr;align-items:center;gap:70px}.eyebrow,.section-label{margin:0 0 16px;color:#008be6;font-size:11pt;font-weight:800;letter-spacing:.16em}.detail-hero h1{margin:0 0 22px;font-size:clamp(44px,5vw,72px);line-height:1.08}.detail-hero h2{margin:0 0 28px;font-size:clamp(24px,3vw,38px);line-height:1.55}.hero-copy,.body-copy,.section p{font-size:16px;line-height:2;color:#34517e}.hero-icon{width:310px;height:310px;border-radius:50%;background:#fff;box-shadow:0 18px 60px rgba(0,75,170,.12);display:grid;place-items:center;position:relative;margin:auto}.hero-icon img{width:145px;height:145px;object-fit:contain}.hero-icon span{position:absolute;top:32px;left:38px;font-size:44px;font-style:italic;color:#c9e3fa;font-family:Georgia,serif}.section{padding:88px 0}.pale{background:var(--pale)}.section-title{margin:0 0 44px;font-size:clamp(28px,3.5vw,44px);line-height:1.45}.issue-grid,.menu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.issue-grid>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:25px 28px;font-size:16px;line-height:1.8;color:#34517e}.issue-grid>div::before{content:'✓';color:var(--cyan);font-weight:900;margin-right:12px}.split{display:grid;grid-template-columns:1fr 1fr;gap:80px}.body-copy p{margin-top:0}.accent-copy{font-weight:700;color:var(--navy)!important}.menu-grid article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px}.menu-grid b,.three b{font-size:28px;color:#9fd4f7;font-family:Georgia,serif;font-style:italic}.menu-grid h3,.three h3{font-size:20px;margin:10px 0}.menu-grid p,.three p{margin:0;font-size:14px;line-height:1.9}.process{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.process>div{position:relative;padding:25px 20px;border-top:3px solid var(--cyan);background:#f8fbff}.process span{font-size:11pt;font-weight:800;color:#008be6;letter-spacing:.08em}.process h3{font-size:18px;margin:12px 0}.process p{font-size:11pt;line-height:1.75;margin:0}.strength-band{background:linear-gradient(135deg,#eef8ff,#fff)}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.three>div{padding:30px;border-left:1px solid #cfe4f6}.case-card{border:1px solid var(--line);border-radius:14px;padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:30px}.case-card span{font-size:11pt;color:#008be6;font-weight:800;letter-spacing:.1em}.case-card h3{font-size:22px;margin:8px 0}.case-card p{margin:0}.case-card a{white-space:nowrap;text-decoration:none;color:#006bdc;font-weight:800}.detail-cta{text-align:center;padding:88px 0;background:#eef8ff}.detail-cta h2{font-size:clamp(28px,3.5vw,44px);margin:0 0 18px}.detail-cta p{line-height:1.9;color:#34517e}.detail-cta a{display:inline-flex;margin-top:20px;min-width:270px;height:58px;align-items:center;justify-content:center;border-radius:30px;background:linear-gradient(90deg,#06a9ef,#0645d8);color:#fff;text-decoration:none;font-weight:700}.site-footer{text-align:center;padding:28px;color:#7890ad;font-size:11pt;border-top:1px solid #eef4fb}
@media(max-width:900px){.detail-hero{padding:55px 0}.hero-grid,.split{grid-template-columns:1fr;gap:40px}.hero-icon{width:220px;height:220px}.hero-icon img{width:105px;height:105px}.section{padding:64px 0}.process{grid-template-columns:1fr 1fr}.three{grid-template-columns:1fr}.case-card{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.issue-grid,.menu-grid,.process{grid-template-columns:1fr}.detail-hero h1{font-size:42px}.detail-hero h2{font-size:24px}.hero-copy,.body-copy,.section p{font-size:14px}.section-title{margin-bottom:30px}.menu-grid article{padding:24px}.case-card{padding:25px}.detail-cta a{min-width:220px}}

/* visual enhancement: simple, consistent with TOP */
.hero-icon{background:linear-gradient(145deg,#fff,#f4faff);border:1px solid #e1effb}
.hero-icon::after{content:'';position:absolute;inset:18px;border:1px solid #d7ecfb;border-radius:50%}
.hero-icon img{position:relative;z-index:2;width:170px;height:170px}
.hero-icon span{z-index:3}
.issue-grid>div{position:relative;overflow:hidden;padding-left:56px}
.issue-grid>div::before{position:absolute;left:25px;top:25px;width:22px;height:22px;border-radius:50%;background:#e7f6ff;display:grid;place-items:center;margin:0;font-size:11pt}
.menu-grid article{position:relative;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.menu-grid article::after{content:'';position:absolute;width:90px;height:90px;border-radius:50%;right:-35px;top:-35px;background:linear-gradient(135deg,#edf8ff,#dff2ff);opacity:.8}
.menu-grid article:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,75,170,.08)}
.visual-bridge{padding:20px 0 88px;background:#fff}.bridge-panel{border:1px solid #dceaf8;border-radius:22px;padding:46px;background:linear-gradient(135deg,#f8fcff,#eef8ff);box-shadow:0 16px 45px rgba(0,75,170,.06)}.bridge-head{text-align:center;max-width:760px;margin:0 auto 38px}.bridge-head h2{font-size:clamp(26px,3vw,38px);margin:0 0 12px}.bridge-head p{margin:0;color:#52709a;line-height:1.9}.bridge-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:12px}.bridge-flow>div{min-height:145px;border-radius:16px;background:#fff;border:1px solid #dceaf8;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px;box-shadow:0 8px 22px rgba(0,75,170,.05)}.bridge-flow span{font-family:Georgia,serif;font-style:italic;font-size:26px;color:#a8d8f7}.bridge-flow b{font-size:18px;color:#001f63;margin:6px 0}.bridge-flow small{font-size:11pt;color:#6d86a7}.bridge-flow i{font-style:normal;font-size:24px;color:#66bce9}.bridge-flow .bridge-goal{background:linear-gradient(135deg,#edf9ff,#e8f2ff);border-color:#bcdff5}
.process>div::after{content:'';position:absolute;right:-11px;top:50%;width:10px;border-top:1px solid #9fd4f7}.process>div:last-child::after{display:none}
@media(max-width:900px){.visual-bridge{padding-bottom:64px}.bridge-panel{padding:32px 24px}.bridge-flow{grid-template-columns:1fr}.bridge-flow i{transform:rotate(90deg);line-height:1}.bridge-flow>div{min-height:110px}.process>div::after{display:none}}

/* Visual elements below the title area */
.visual-cards>div{display:grid;grid-template-columns:48px 1fr;align-items:center;gap:18px;padding:22px 26px!important}
.visual-cards>div::before{display:none!important}.visual-cards img{width:44px;height:44px;padding:8px;border-radius:12px;background:#eef8ff}.visual-cards p{margin:0;font-size:15px!important;line-height:1.75!important;color:#34517e}
.support-visual{display:flex;align-items:center;gap:12px;margin-top:28px}.support-visual>div{width:92px;height:92px;border:1px solid #dceaf8;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f8fcff}.support-visual img{width:34px;height:34px;margin-bottom:5px}.support-visual span{font-size:11pt;font-weight:800;color:#173e76}.support-visual b{color:#82c8ef;font-size:18px}
.menu-head{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:2}.menu-head img{width:48px;height:48px;padding:9px;border-radius:12px;background:#eef8ff}.menu-head b{font-size:24px}.menu-grid article h3,.menu-grid article p{position:relative;z-index:2}
.process-icon{width:42px;height:42px;margin:0 0 16px;padding:8px;border-radius:50%;background:#eaf7ff}.process>div{min-height:215px}
.strength-icon{width:58px;height:58px;border-radius:50%;background:#fff;border:1px solid #dceaf8;display:grid;place-items:center;margin-bottom:16px}.strength-icon img{width:34px;height:34px}.three>div{background:rgba(255,255,255,.55);border-left:0;border-top:2px solid #b9e1f7;border-radius:12px}.three>div b{font-size:22px}
.visual-case{padding:0;overflow:hidden;display:grid;grid-template-columns:38% 1fr}.case-image{width:100%;height:100%;min-height:250px;object-fit:cover}.case-copy{padding:34px 38px;display:flex;flex-direction:column;justify-content:center}.case-copy a{margin-top:18px;align-self:flex-start}
@media(max-width:900px){.support-visual{justify-content:flex-start}.visual-case{grid-template-columns:1fr}.case-image{min-height:210px;max-height:300px}.case-copy{padding:28px}.process>div{min-height:auto}}
@media(max-width:600px){.visual-cards>div{grid-template-columns:40px 1fr;padding:18px!important}.visual-cards img{width:38px;height:38px;padding:7px}.support-visual{gap:7px}.support-visual>div{width:76px;height:76px}.support-visual img{width:28px;height:28px}.support-visual b{font-size:14px}.menu-head img{width:42px;height:42px}.visual-case{display:block}.case-image{height:190px;min-height:0}.case-copy{padding:24px}}

/* v3 readability and visual refinements */
.eyebrow{font-size:clamp(24px,3vw,38px);line-height:1.55;letter-spacing:.08em;margin-bottom:12px}
.visual-cards>div{grid-template-columns:64px 1fr;gap:20px;padding:26px 28px!important;box-shadow:0 8px 24px rgba(0,75,170,.045)}
.visual-cards img{width:60px;height:60px;padding:0;background:transparent;border-radius:50%}
.visual-cards p{font-size:18px!important;line-height:1.72!important;color:#173e76;font-weight:600}
.visual-cards strong{font-weight:800;color:#001f63}
.support-visual-image{margin-top:28px;max-width:560px}
.support-visual-image img{display:block;width:100%;height:auto}
.accent-copy{font-size:19px!important;line-height:1.9!important}
.bridge-head>p:last-child{font-size:17px;font-weight:700;color:#173e76;line-height:1.85}
.bridge-flow>div,.bridge-flow .bridge-goal{background:linear-gradient(145deg,#fff,#f3f9ff);border:1px solid #cfe6f7;box-shadow:0 10px 28px rgba(0,75,170,.07);position:relative;overflow:hidden}
.bridge-flow>div::before{content:'';position:absolute;inset:0 0 auto 0;height:5px;background:linear-gradient(90deg,#00a8ee,#356de4)}
.bridge-flow span{font-size:31px;color:#8bc8ef;font-weight:700}.bridge-flow b{font-size:20px}.bridge-flow small{font-size:11pt;font-weight:600}
.process{gap:16px}.process>div{border-top:0;border-radius:16px;background:linear-gradient(145deg,#ffffff,#f1f8ff);border:1px solid #d7e9f7;box-shadow:0 10px 26px rgba(0,75,170,.06);padding:27px 21px}.process>div:nth-child(even){background:linear-gradient(145deg,#f8fcff,#edf7ff)}
.process span{display:inline-block;font-size:16px;font-weight:900;color:#006bdc;letter-spacing:.06em;background:#e7f5ff;border-radius:20px;padding:6px 11px}.process h3{font-size:19px;color:#001f63}.process p{color:#48678f}
.three>div{background:#fff;border:1px solid #dceaf8;border-top:4px solid #39aeea;box-shadow:0 10px 28px rgba(0,75,170,.055)}
.three h3{font-size:22px;font-weight:900;line-height:1.55;color:#001f63}.three p{font-size:15px;line-height:1.9;color:#34517e;background:transparent!important;position:relative;z-index:2}.strength-icon{background:#f5fbff}
.detail-cta{background:linear-gradient(135deg,#edf8ff,#f8fbff)}.detail-cta p{font-size:17px;font-weight:600;color:#234a7e;background:rgba(255,255,255,.62);display:inline-block;padding:14px 24px;border-radius:12px}
@media(max-width:600px){.eyebrow{font-size:24px}.visual-cards>div{grid-template-columns:52px 1fr}.visual-cards img{width:50px;height:50px}.visual-cards p{font-size:16px!important}.accent-copy{font-size:17px!important}.bridge-head>p:last-child{font-size:15px}.detail-cta p{font-size:15px;padding:12px 14px}}


/* 2026-09-15 visual refinements */
.bridge-flow span{
  font-family:Arial,"Helvetica Neue",sans-serif!important;
  font-style:normal!important;
  font-variant-numeric:tabular-nums;
  font-weight:800!important;
  letter-spacing:.02em;
}

/* Connected, colorful process flow */
.process{
  position:relative;
  gap:14px;
  align-items:stretch;
}
.process>div{
  position:relative;
  z-index:1;
  border:0;
  min-height:230px;
  padding:30px 22px 26px;
  box-shadow:0 12px 30px rgba(0,75,170,.10);
  overflow:visible;
}
.process>div:nth-child(1){background:linear-gradient(145deg,#f5fbff,#ecf9ff)}
.process>div:nth-child(2){background:linear-gradient(145deg,#f6fdfb,#ebfaf5)}
.process>div:nth-child(3){background:linear-gradient(145deg,#fffcf4,#fff7df)}
.process>div:nth-child(4){background:linear-gradient(145deg,#faf7ff,#f2edff)}
.process>div:nth-child(5){background:linear-gradient(145deg,#f6f9ff,#ecf2ff)}
.process>div::after{
  content:'→';
  position:absolute;
  right:-21px;
  top:50%;
  transform:translateY(-50%);
  width:28px;
  height:28px;
  border:0;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:#fff;
  color:#168fe0;
  font-size:19px;
  font-weight:900;
  box-shadow:0 5px 16px rgba(0,75,170,.14);
  z-index:5;
}
.process>div:last-child::after{display:none}
.process>div:nth-child(1) .process-icon{background:#e8f7ff}
.process>div:nth-child(2) .process-icon{background:#e8f9f2}
.process>div:nth-child(3) .process-icon{background:#fff4d5}
.process>div:nth-child(4) .process-icon{background:#f1eaff}
.process>div:nth-child(5) .process-icon{background:#e9f0ff}
.process span{background:#fff;border:1px solid rgba(0,107,220,.10);box-shadow:0 4px 12px rgba(0,75,170,.06)}
.process h3{font-weight:800}
@media(max-width:900px){
  .process>div::after{display:none}
  .process{gap:14px}
}

/* SERVICE 03: OUR SUPPORT title line balance */
.support-title-two-lines{white-space:nowrap;font-size:clamp(26px,2.65vw,39px);line-height:1.55;letter-spacing:-.025em}
@media(max-width:900px){.support-title-two-lines{white-space:normal;font-size:clamp(27px,4.8vw,38px)}}
@media(max-width:600px){.support-title-two-lines{font-size:27px;line-height:1.5;letter-spacing:-.02em}}
/* SERVICE 03 CONTACT: keep heading on one line on desktop */
@media (min-width: 901px){
  body.service-upstream .detail-cta h2{font-size:clamp(25px,2.55vw,36px);white-space:nowrap;letter-spacing:-.02em}
}
/* SERVICE 04 CONTACT: keep heading on one line on desktop */
@media (min-width: 901px){
  body.service-operation .detail-cta h2{font-size:clamp(25px,2.55vw,36px);white-space:nowrap;letter-spacing:-.02em}
}

/* SERVICE 04: OUR SUPPORT title line control */
.operation-support-title{font-size:clamp(28px,3.05vw,40px);line-height:1.5;}
.operation-support-title span{display:block;white-space:nowrap;}
@media(max-width:760px){.operation-support-title span{white-space:normal;}}

/* SERVICE 05: OUR SUPPORT title line control */
@media(min-width:901px){
  .service-ai-page .support-split .section-title{font-size:clamp(28px,2.7vw,36px);line-height:1.5;letter-spacing:-.02em;}
  .service-ai-page .support-split .section-title span{white-space:nowrap;}
}

/* SERVICE 05: final heading line controls */
@media (min-width: 901px){
  body.service-ai .support-split .section-title{
    font-size:clamp(27px,2.55vw,35px);
    line-height:1.55;
    letter-spacing:-.025em;
  }
  body.service-ai .support-split .section-title span{
    display:block;
    white-space:nowrap;
  }
  body.service-ai .support-split .section-title br{display:none;}
  body.service-ai .bridge-head{
    max-width:900px;
  }
  body.service-ai .bridge-head h2{
    font-size:clamp(27px,2.7vw,35px);
    letter-spacing:-.025em;
    white-space:nowrap;
  }
}