:root{
  --primary:#008f98;
  --primary-dark:#004c68;
  --primary-soft:#e9fbfb;
  --accent:#00b7ad;
  --navy:#073756;
  --text:#1d3447;
  --muted:#617484;
  --line:#d9e8ee;
  --bg:#f7fbfc;
  --white:#fff;
  --shadow:0 18px 45px rgba(4,49,78,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Sans",Meiryo,sans-serif;color:var(--text);line-height:1.85;background:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 48px));margin:0 auto}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,76,104,.10)}
.header__inner{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:12px;min-width:210px}.logo img{width:212px;height:auto}.nav{display:flex;align-items:center;gap:26px;font-weight:700;font-size:14px;color:#17384f}.nav a{position:relative}.nav a.is-active:after,.nav a:hover:after{content:"";position:absolute;left:0;right:0;bottom:-25px;height:3px;background:var(--accent);border-radius:3px}.header__cta{display:flex;gap:12px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:13px 22px;font-weight:800;font-size:14px;letter-spacing:.02em;border:1px solid transparent;transition:.2s ease;cursor:pointer}.btn--primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 10px 22px rgba(0,143,152,.24)}.btn--primary:hover{transform:translateY(-2px);box-shadow:0 15px 28px rgba(0,143,152,.28)}.btn--outline{background:#fff;color:var(--primary-dark);border-color:#a7d8df}.btn--dark{background:var(--navy);color:#fff}.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff}.menu-btn span{display:block;width:20px;height:2px;background:var(--navy);margin:5px auto;border-radius:2px}.hero{position:relative;overflow:hidden;background:linear-gradient(90deg,#f8ffff 0%,#e9fbfc 45%,#d5f4f7 100%)}.hero__inner{min-height:560px;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:28px}.hero__copy{position:relative;z-index:2;padding:64px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:900;letter-spacing:.08em;font-size:13px;text-transform:uppercase}.eyebrow:before{content:"";width:28px;height:2px;background:var(--accent)}.hero h1{font-size:clamp(40px,5.2vw,68px);line-height:1.22;color:var(--navy);margin:22px 0 24px;letter-spacing:.05em}.hero p{font-size:18px;font-weight:700;color:#274a60;max-width:610px}.hero__buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.hero__visual{position:absolute;right:0;top:0;bottom:0;width:58%;z-index:1}.hero__visual img{width:100%;height:100%;object-fit:cover;object-position:center}.hero__visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f8ffff 0%,rgba(248,255,255,.82) 18%,rgba(248,255,255,.20) 52%,rgba(0,76,104,.02) 100%)}.page-hero{position:relative;overflow:hidden;background:linear-gradient(90deg,#f7ffff,#e7f8fb);border-bottom:1px solid var(--line)}.page-hero__inner{min-height:300px;display:grid;grid-template-columns:1fr 1fr;align-items:center}.page-hero__bg{position:absolute;right:0;top:0;bottom:0;width:55%;opacity:.78}.page-hero__bg img{width:100%;height:100%;object-fit:cover}.page-hero__bg:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f7ffff 0%,rgba(247,255,255,.72) 25%,rgba(247,255,255,.08) 100%)}.page-hero h1{position:relative;z-index:2;font-size:48px;line-height:1.3;color:var(--navy);letter-spacing:.08em;margin:10px 0 12px}.breadcrumb{position:relative;z-index:2;font-size:13px;color:var(--muted);font-weight:700}.section{padding:88px 0}.section--soft{background:var(--bg)}.section--gradient{background:linear-gradient(135deg,#f4ffff,#eef9fb 55%,#fff)}.section-title{text-align:center;margin-bottom:42px}.section-title h2{font-size:34px;line-height:1.4;color:var(--navy);margin:0 0 12px}.section-title p{margin:0 auto;color:var(--muted);max-width:720px}.lead{text-align:center;max-width:760px;margin:0 auto 42px;font-size:17px;font-weight:600;color:#415b6d}.grid{display:grid;gap:24px}.grid--2{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(3,1fr)}.grid--4{grid-template-columns:repeat(4,1fr)}.grid--5{grid-template-columns:repeat(5,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 10px 32px rgba(4,49,78,.06)}.card h3{font-size:21px;line-height:1.45;color:var(--navy);margin:0 0 12px}.card p{color:var(--muted);margin:0}.icon{width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,var(--primary-soft),#fff);border:1px solid #b8e6e9;display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--primary);font-size:28px;font-weight:900}.check-list{list-style:none;padding:0;margin:18px 0 0}.check-list li{position:relative;padding-left:28px;margin:8px 0;color:#345367;font-weight:600}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:900}.service-mini{padding:22px;text-align:center}.service-mini .icon{margin:0 auto 14px;width:52px;height:52px}.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:flow}.flow--5{grid-template-columns:repeat(5,1fr)}.flow-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 28px rgba(4,49,78,.06)}.flow-item:before{counter-increment:flow;content:counter(flow, decimal-leading-zero);position:absolute;top:-16px;left:22px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900}.flow-item h3{margin:18px 0 8px;color:var(--navy)}.cta{background:linear-gradient(135deg,var(--primary),var(--navy));color:#fff;border-radius:28px;padding:46px;display:flex;align-items:center;justify-content:space-between;gap:30px;overflow:hidden;position:relative}.cta:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 12% 15%,rgba(255,255,255,.25),transparent 28%),radial-gradient(circle at 90% 20%,rgba(0,183,173,.34),transparent 32%)}.cta>*{position:relative;z-index:1}.cta h2{margin:0 0 8px;font-size:30px}.cta p{margin:0;color:rgba(255,255,255,.86)}.cta .btn{background:#fff;color:var(--primary-dark)}.company-panel{display:grid;grid-template-columns:310px 1fr 370px;gap:28px;align-items:center}.company-panel img{border-radius:18px;box-shadow:var(--shadow)}.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.table th,.table td{padding:18px 20px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.table tr:last-child th,.table tr:last-child td{border-bottom:none}.table th{width:160px;background:#f5fbfc;color:var(--navy);font-weight:900}.footer{background:linear-gradient(135deg,#02344f,#00596e);color:#fff;padding:56px 0 28px}.footer__grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:30px}.footer__logo img{filter:none;opacity:1}.footer__logo{display:inline-flex}.footer p,.footer a{color:rgba(255,255,255,.78);font-size:14px}.footer h4{margin:0 0 14px;color:#fff}.footer ul{list-style:none;margin:0;padding:0}.footer li{margin:7px 0}.sns{display:flex;gap:10px;margin-top:18px}.sns a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff}.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.18);margin-top:36px;padding-top:22px;color:rgba(255,255,255,.72);font-size:13px}.reason-number{font-size:30px;color:var(--accent);font-weight:900}.comparison{overflow:auto}.comparison table{min-width:760px}.comparison th:nth-child(3),.comparison td:nth-child(3){background:#eafafa;color:var(--primary-dark);font-weight:900}.case-card{display:grid;grid-template-columns:310px 1fr;gap:30px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;margin-bottom:34px;box-shadow:var(--shadow)}.case-card__image{border-radius:16px;overflow:hidden;min-height:260px;background:linear-gradient(135deg,#dff7f8,#fff);display:flex;align-items:center;justify-content:center;position:relative}.case-card__image img{width:100%;height:100%;min-height:260px;object-fit:cover;display:block}.case-card h2{font-size:26px;color:var(--navy);margin:0 0 12px}.tag{display:inline-flex;background:#e8f8f9;color:var(--primary-dark);border:1px solid #b9e7e9;border-radius:999px;padding:4px 12px;font-size:12px;font-weight:900;margin:0 8px 14px 0}.case-details{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0}.metric{background:#f4fbfc;border:1px solid var(--line);border-radius:16px;padding:18px;text-align:center}.metric strong{display:block;font-size:30px;color:var(--primary);line-height:1.2}.profile-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:start}.message{display:grid;grid-template-columns:1fr 340px;gap:36px;align-items:center}.message img{border-radius:22px;box-shadow:var(--shadow)}.faq{max-width:900px;margin:0 auto}.faq-item{border:1px solid var(--line);border-radius:16px;margin-bottom:12px;background:#fff;overflow:hidden}.faq-q{width:100%;background:#fff;border:0;padding:18px 22px;text-align:left;font-weight:900;color:var(--navy);display:flex;justify-content:space-between;align-items:center;cursor:pointer}.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;background:#f8fcfd}.faq-a p{padding:0 22px 18px;margin:0;color:var(--muted)}.faq-item.is-open .faq-a{max-height:200px}.mobile-preview{position:absolute;right:6%;bottom:38px;width:230px;border-radius:28px;border:8px solid #243847;background:#fff;box-shadow:0 22px 50px rgba(7,55,86,.25);overflow:hidden;z-index:4;display:none}.mobile-preview img{height:90px;width:100%;object-fit:cover}.mobile-preview div{padding:14px}.mobile-preview h4{font-size:18px;margin:0 0 8px;color:var(--navy);line-height:1.4}.mobile-preview p{font-size:12px;line-height:1.6;margin:0;color:var(--muted)}
@media (min-width:1100px){.home .mobile-preview{display:block}}
@media (max-width:980px){.container{width:min(100% - 32px,760px)}.nav,.header__cta{display:none}.menu-btn{display:block}.header__inner{height:68px}.logo img{width:180px}.nav.is-open{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav a.is-active:after,.nav a:hover:after{display:none}.hero__inner{grid-template-columns:1fr;min-height:auto}.hero__visual{position:relative;width:100%;height:270px;order:-1}.hero__visual:after{background:linear-gradient(0deg,#f8ffff,rgba(248,255,255,.08))}.hero__copy{padding:38px 0 56px}.hero h1{font-size:42px}.page-hero__inner{grid-template-columns:1fr;min-height:250px}.page-hero__bg{width:100%;opacity:.36}.grid--2,.grid--3,.grid--4,.grid--5,.flow,.flow--5,.company-panel,.case-card,.profile-layout,.message,.footer__grid{grid-template-columns:1fr}.case-details{grid-template-columns:1fr}.cta{display:block;padding:34px}.cta .btn{margin-top:20px}.section{padding:62px 0}.company-panel img{max-width:280px}.page-hero h1{font-size:38px}}
@media (max-width:560px){.container{width:calc(100% - 24px)}.hero h1{font-size:34px}.hero p{font-size:16px}.btn{width:100%}.section-title h2{font-size:28px}.page-hero h1{font-size:32px}.card{padding:22px}.table th,.table td{display:block;width:100%;padding:12px 16px}.footer__grid{gap:12px}}