:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --surface-2:#f4f7fb;
  --text:#0f172a;
  --muted:#5b6475;
  --line:#dde5ef;
  --primary:#0f3d91;
  --primary-dark:#082a67;
  --accent:#e74f2f;
  --shadow:0 18px 45px rgba(15,23,42,.08);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,"Apple SD Gothic Neo","Malgun Gothic","Microsoft YaHei","Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#f7faff 0%,#ffffff 22%,#f7faff 100%);
  line-height:1.6;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button{font:inherit}
.container{width:min(1180px, calc(100% - 40px)); margin:0 auto}
.section{padding:92px 0; scroll-margin-top:110px}
.section-light{background:var(--surface-2)}
.card-surface,.info-card,.overview-card,.process-step{
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(221,229,239,.9);
}
.header-inner{
  min-height:92px; display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:28px;
}
.brand{display:flex; align-items:center; gap:18px; min-width:0}
.brand-logos{display:flex; align-items:center; gap:16px; flex-shrink:0}
.logo-ez{height:56px; width:auto}
.logo-sun{height:72px; width:auto}
.main-nav{display:flex; flex-direction:row; align-items:center; justify-content:center; gap:28px; font-size:15px; color:#334155}
.main-nav a{position:relative; padding:8px 0; writing-mode:horizontal-tb}
.main-nav a::after{content:""; position:absolute; left:0; bottom:2px; width:0; height:2px; background:var(--primary); transition:.25s}
.main-nav a:hover::after,.main-nav a:focus-visible::after{width:100%}
.header-actions{display:flex; align-items:center; gap:12px}
.lang-switch{display:flex; gap:6px; padding:5px; border:1px solid var(--line); border-radius:999px; background:#fff}
.lang-btn{border:none; background:transparent; padding:8px 10px; border-radius:999px; cursor:pointer; color:#475569; min-width:44px; font-weight:700}
.lang-btn.active{background:var(--primary); color:#fff}
.mail-btn{padding:10px 14px; border-radius:999px; background:var(--primary-dark); color:#fff; font-size:14px; font-weight:700}
.menu-toggle{display:none; width:46px; height:46px; border:1px solid var(--line); border-radius:14px; background:#fff; align-items:center; justify-content:center; flex-direction:column; gap:5px; cursor:pointer}
.menu-toggle span{display:block; width:20px; height:2px; background:#0f172a; transition:.25s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{position:relative; overflow:hidden; color:#fff; background:#081833}
.hero-bg{position:absolute; inset:0; background:linear-gradient(90deg, rgba(8,24,51,.84), rgba(8,24,51,.64)), url('assets/hero-port.jpg') center/cover no-repeat; transform:scale(1.03)}
.hero::after{content:""; position:absolute; inset:auto -8% -120px auto; width:420px; height:420px; border-radius:50%; background:radial-gradient(circle, rgba(231,79,47,.28), transparent 62%)}
.hero-inner{position:relative; z-index:1; min-height:640px; display:flex; align-items:center; padding:110px 0 90px; overflow:visible}
.hero-copy{max-width:760px; overflow:visible}
.eyebrow{display:inline-flex; padding:8px 14px; border-radius:999px; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.18); letter-spacing:.08em; font-size:12px; font-weight:700}
.hero h1{
    margin:22px 0 18px;
    font-size:clamp(32px,4vw,56px);
    line-height:1.2;
    letter-spacing:-.03em;
    word-break:keep-all;
    overflow-wrap:break-word;
}
html[lang="zh"] .hero h1,
html[lang="ja"] .hero h1{
    word-break:break-all;
}
.hero p{margin:0; font-size:19px; color:rgba(255,255,255,.88); max-width:720px; word-break:break-word; overflow-wrap:anywhere}
.hero-cta{display:flex; gap:12px; margin:30px 0 26px; flex-wrap:wrap}
.btn{display:inline-flex; align-items:center; justify-content:center; min-height:52px; padding:0 22px; border-radius:999px; font-weight:800}
.btn-primary{background:#fff; color:var(--primary-dark)}
.btn-secondary{border:1px solid rgba(255,255,255,.28); color:#fff; background:rgba(255,255,255,.08)}
.hero-badges{display:flex; gap:12px; flex-wrap:wrap}
.hero-badges span{display:inline-flex; padding:10px 14px; background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.16); border-radius:999px; font-size:14px}

.overview-strip{margin-top:-50px; position:relative; z-index:2}
.overview-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
.overview-card{padding:26px 22px; border-radius:22px; text-align:center}
.overview-card strong{display:block; color:var(--primary); font-size:28px; margin-bottom:6px}
.overview-card span{display:block; color:var(--muted); font-size:14px}

.section-heading{max-width:820px; margin-bottom:36px}
.section-heading.centered{text-align:center; margin-inline:auto; margin-bottom:44px}
.kicker{margin:0 0 8px; font-size:12px; letter-spacing:.14em; font-weight:800; color:var(--primary)}
.section-heading h2{margin:0 0 12px; font-size:42px; line-height:1.18; letter-spacing:-.03em}
.section-heading p{margin:0; color:var(--muted); font-size:18px}

.company-layout{display:grid; grid-template-columns:1.2fr .8fr; gap:24px; align-items:stretch}
.company-visual{border-radius:30px; overflow:hidden}
.company-visual img{width:100%; height:100%; min-height:440px; object-fit:cover}
.company-visual-copy{padding:22px 24px 26px; border-top:1px solid var(--line)}
.company-visual-copy h3{margin:0 0 8px; font-size:24px}
.company-visual-copy p{margin:0; color:var(--muted)}
.company-panels{display:grid; gap:18px}
.info-card{padding:28px; border-radius:24px; overflow:hidden;}
.info-card h3{
    margin:0 0 12px;
    font-size:clamp(20px, 5vw, 28px);
    line-height:1.2;
    word-break:break-word;
    overflow-wrap:anywhere;
}
@media (max-width: 768px){
    .info-card h3{
        font-size:22px;
        line-height:1.25;
    }
}
.info-card .sub{margin-bottom:10px; color:var(--primary); font-weight:700}
.info-card p{margin:0; color:var(--muted)}

.business-grid,.showcase-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px}
.showcase-grid{grid-template-columns:repeat(2,1fr)}
.business-card,.showcase-card{border-radius:28px; overflow:hidden}
.business-card img,.showcase-card img{width:100%; height:250px; object-fit:cover}
.card-body{padding:24px 24px 26px}
.card-body.small{padding:20px 22px 22px}
.card-body h3{margin:0 0 10px; font-size:24px}
.card-body p{margin:0 0 14px; color:var(--muted)}
.card-body ul{margin:0; padding-left:18px; color:#334155}
.card-body li+li{margin-top:7px}
.no-break{white-space:nowrap}
.nowrap-desktop {
    white-space: normal;
}

@media (min-width: 1200px) {
    .nowrap-desktop {
        white-space: nowrap;
    }
}
.extra-project{margin-top:28px; padding:28px 30px; border-radius:28px}
.extra-project h3{margin:0 0 14px; font-size:24px}
.extra-project ul{margin:0; padding-left:18px; color:#334155}
.extra-project li+li{margin-top:7px}

.strength-layout{display:grid; grid-template-columns:.95fr 1.05fr; gap:28px; align-items:center}
.strength-list{display:grid; gap:14px; margin-top:26px}
.strength-item{display:grid; grid-template-columns:68px 1fr; gap:20px; align-items:center; padding:18px 20px; border-radius:22px; background:#fff; border:1px solid var(--line); box-shadow:var(--shadow)}
.strength-item span{display:grid; place-items:center; width:68px; height:68px; border-radius:20px; background:linear-gradient(135deg,var(--primary),#2f66d1); color:#fff; font-weight:800}
.strength-item p{margin:0; min-height:68px; display:flex; align-items:center}
.strength-visual{border-radius:30px; overflow:hidden}
.strength-visual img{width:100%; height:100%; min-height:620px; object-fit:cover}

.process-section{background:linear-gradient(180deg,#ffffff 0%, #f5f9ff 100%)}
.process-grid{display:grid; grid-template-columns:repeat(7,1fr); gap:14px}
.process-step{padding:26px 14px; border-radius:24px; text-align:center}
.process-step strong{display:block; margin-bottom:10px; font-size:28px; color:var(--primary)}
.process-step span{display:block; font-weight:700}

.contact-section{padding-top:0}
.contact-panel{display:grid; grid-template-columns:1.1fr .9fr; gap:24px; align-items:center; padding:34px; border-radius:30px; overflow:hidden; background:linear-gradient(135deg,#0b2b63 0%,#153f90 58%,#215ad0 100%); color:#fff; border:none}
.contact-panel .kicker{color:#cddcff}
.contact-panel h2{margin:0 0 12px; font-size:42px}
.contact-panel p{margin:0; color:rgba(255,255,255,.88); font-size:18px}
.contact-actions{display:flex; flex-direction:column; align-items:flex-start; gap:16px}
.contact-email{display:inline-flex; padding:15px 22px; border-radius:999px; background:#fff; color:var(--primary-dark); font-size:24px; font-weight:800; word-break:break-all}
.contact-info{font-size:16px; color:rgba(255,255,255,.88)}

.site-footer{padding:34px 0 44px; border-top:1px solid var(--line); background:#fff}
.footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:20px; align-items:start}
.footer-title{font-weight:800; margin-bottom:10px}
.footer-grid div{color:#475569}
.footer-right{display:flex; justify-content:flex-end; align-items:flex-start; font-weight:700}

@media (max-width:1100px){
  .header-inner{grid-template-columns:1fr auto; padding:16px 0}
  .menu-toggle{display:inline-flex}
  .main-nav{grid-column:1 / -1; order:4; display:none; width:100%; justify-content:flex-start; flex-wrap:wrap; gap:18px; padding:4px 0 10px}
  .main-nav.open{display:flex}
  .header-actions{justify-self:end}
  .overview-grid,.process-grid{grid-template-columns:repeat(2,1fr)}
  .company-layout,.strength-layout,.contact-panel,.footer-grid,.business-grid,.showcase-grid{grid-template-columns:1fr}
  .strength-visual img{min-height:420px}
}
@media (max-width:820px){
  .container{width:min(100% - 28px, 1180px)}
  .header-inner{gap:14px}
  .brand{gap:12px}
  .logo-ez{height:44px}
  .logo-sun{height:56px}
  .nowrap-desktop{white-space:normal}
  .lang-switch{padding:4px; gap:4px}
  .lang-btn{min-width:38px; padding:7px 8px; font-size:13px}
  .mail-btn{display:none}
  .hero-inner{min-height:auto; padding:100px 0 88px}
  .hero h1{font-size:38px}
  .hero p,.section-heading p,.contact-panel p{font-size:16px}
  .section{padding:74px 0; scroll-margin-top:96px}
  .section-heading h2,.contact-panel h2{font-size:32px}
  .overview-grid,.process-grid{grid-template-columns:1fr}
  .company-visual img,.business-card img,.showcase-card img{height:220px}
  .contact-email{font-size:18px}
}
@media (max-width:520px){
  .hero h1{font-size:31px}
  .eyebrow{font-size:11px}
  .hero-badges span{font-size:13px}
  .card-body h3,.info-card h3,.company-visual-copy h3{font-size:21px}
  .strength-item{grid-template-columns:54px 1fr; padding:16px}
  .strength-item span{width:54px; height:54px; border-radius:16px}
  .contact-panel{padding:24px}
}
.about-desc {
    font-size: clamp(22px, 2.6vw, 32px);
    line-height: 1.6;
    text-align: center;
    max-width: 1100px;
    margin: 0 auto;
    word-break: keep-all;
}

.keep-word {
    white-space: nowrap;
}
html, body{
    overflow-x: hidden;
}
@media (max-width: 768px){
  .hero-inner{
    padding: 64px 0 56px;
    min-height: auto;
  }

  .hero-copy{
    max-width: 100%;
    padding-right: 0;
  }

  .hero h1{
    font-size: clamp(24px, 7.5vw, 40px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .hero p{
    font-size: 16px;
    line-height: 1.55;
    max-width: 100%;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  html[lang="zh"] .hero h1,
  html[lang="ja"] .hero h1{
    font-size: clamp(21px, 6.8vw, 34px);
    line-height: 1.18;
    word-break: break-all;
  }

  html[lang="zh"] .hero p,
  html[lang="ja"] .hero p{
    font-size: 15px;
    line-height: 1.6;
    word-break: break-all;
  }
}


/* Exact line-break control for company info cards */
.info-card p{
  white-space: normal !important;
  line-height: 1.7;
  word-break: keep-all;
}
.info-card p br{
  display: block;
  content: "";
}