:root{--navy:#0b2138;--blue:#0c4f7d;--steel:#a9bac7;--orange:#ef6c22;--white:#fff;--mist:#eef3f6;--ink:#122230;--muted:#5c6c78;--line:#dbe3e8}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans JP",system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.75}a{color:inherit;text-decoration:none}.container{width:min(1160px,calc(100% - 40px));margin:auto}.narrow{width:min(1000px,calc(100% - 40px))}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center}.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:var(--navy);color:#fff;font-size:24px;font-weight:900}.brand b{display:block;font-size:17px;letter-spacing:.04em}.brand small{display:block;color:var(--muted);font-size:11px}.site-header nav{display:flex;align-items:center;gap:30px;font-size:14px;font-weight:600}.nav-cta{background:var(--orange);color:#fff;padding:12px 22px}.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#f8fafb 0%,#edf3f6 100%);padding:90px 0 82px}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 0 58%,rgba(11,33,56,.055) 58% 60%,transparent 60%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:62px;align-items:center}.eyebrow{margin:0 0 18px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.18em}.hero h1{margin:0;font-size:clamp(38px,4.5vw,66px);line-height:1.3;letter-spacing:-.035em;font-weight:900}.hero h1 em{font-style:normal;color:var(--orange)}.lead{max-width:680px;margin:28px 0 32px;color:#425564;font-size:18px;line-height:2}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;min-height:54px;padding:13px 25px;align-items:center;justify-content:center;font-weight:700;transition:.2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--orange);color:#fff;box-shadow:0 8px 24px rgba(239,108,34,.2)}.secondary{border:1px solid var(--navy);color:var(--navy);background:#fff}.trust-list{display:flex;gap:20px;padding:0;margin:24px 0 0;list-style:none;color:#415565;font-size:13px;font-weight:600}.trust-list li:before{content:"✓";color:var(--orange);margin-right:7px}.hero-visual{position:relative;min-height:440px;padding:34px;background:var(--navy);color:#fff;box-shadow:18px 18px 0 var(--steel);overflow:hidden}.visual-title{font-weight:800;font-size:22px;position:relative;z-index:2}.process-row{display:flex;align-items:center;gap:9px;position:relative;z-index:2;margin-top:43px}.process-row i{font-style:normal;color:var(--steel)}.process-card{flex:1;min-height:142px;padding:16px 12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2)}.process-card span,.process-card b,.process-card small{display:block}.process-card span{font-size:11px;color:var(--steel)}.process-card b{margin:23px 0 7px;font-size:16px}.process-card small{font-size:11px;color:#c9d3da}.process-card.accent{border-color:var(--orange);background:rgba(239,108,34,.12)}.stair-lines{position:absolute;right:-15px;bottom:-40px;display:flex;align-items:flex-end;opacity:.18}.stair-lines span{display:block;width:48px;border-left:2px solid #fff;border-top:2px solid #fff}.stair-lines span:nth-child(1){height:40px}.stair-lines span:nth-child(2){height:80px}.stair-lines span:nth-child(3){height:120px}.stair-lines span:nth-child(4){height:160px}.stair-lines span:nth-child(5){height:200px}.stair-lines span:nth-child(6){height:240px}.problem-section{padding:100px 0;background:#fff}.section-kicker{text-align:center;color:var(--blue);font-weight:800;letter-spacing:.08em}.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}.problem-grid article{padding:31px;background:var(--mist);border-top:4px solid var(--steel)}.problem-grid span{color:var(--orange);font-size:12px;font-weight:800}.problem-grid h2{font-size:22px;line-height:1.55}.problem-grid p{color:var(--muted);font-size:15px}.answer{margin-top:25px;padding:22px;text-align:center;color:#fff;background:var(--blue);font-size:21px}.solution-section{padding:110px 0;background:var(--mist)}.section-heading{max-width:750px}.section-heading h2{margin:0;font-size:clamp(31px,4vw,48px);line-height:1.45}.section-heading>p:last-child{color:var(--muted);font-size:17px;margin-top:22px}.strength-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#ccd7de;margin-top:58px}.strength-grid article{background:#fff;padding:30px 27px}.number{color:var(--orange);font-size:13px;font-weight:900}.strength-grid h3{font-size:21px;line-height:1.6;margin:18px 0 12px}.strength-grid p{font-size:14px;color:var(--muted)}.onestop-section{padding:90px 0;background:var(--navy);color:#fff}.section-kicker.light{color:#87abc3;text-align:left}.onestop-section h2{font-size:clamp(29px,3.5vw,44px);margin:8px 0 42px}.onestop-grid{display:grid;grid-template-columns:repeat(4,1fr)}.onestop-grid div{padding:23px 20px;border-left:1px solid rgba(255,255,255,.2)}.onestop-grid span,.onestop-grid b{display:block}.onestop-grid span{font-size:11px;color:#8fb1c8;margin-bottom:8px}.onestop-grid b{font-size:18px}.flow-section{padding:110px 0}.centered{text-align:center;margin:auto}.flow-list{list-style:none;padding:0;margin:54px 0 0;border-top:1px solid var(--line)}.flow-list li{display:grid;grid-template-columns:90px 1fr;gap:22px;padding:28px 18px;border-bottom:1px solid var(--line)}.flow-list>li>span{color:var(--orange);font-weight:900;font-size:21px}.flow-list h3{margin:0;font-size:19px}.flow-list p{margin:5px 0 0;color:var(--muted)}.contact-section{padding:105px 0;background:#e8eef2}.contact-inner{text-align:center}.contact-section h2{font-size:clamp(30px,4vw,48px);line-height:1.5;margin:0}.contact-section>p{color:var(--muted)}.contact-actions{display:flex;justify-content:center;align-items:stretch;gap:14px;margin-top:38px}.large{min-width:270px}.phone{display:flex;flex-direction:column;justify-content:center;min-width:270px;background:#fff;border:1px solid var(--line);padding:10px 25px}.phone small{color:var(--muted);font-size:12px}.phone b{font-size:25px;color:var(--navy)}footer{padding:40px 0;background:#071827;color:#fff}.footer-inner{display:flex;align-items:center;justify-content:space-between}.footer-inner b{font-size:18px}.footer-inner p{font-size:12px;color:#9cacb8;margin:6px 0}.footer-inner a{font-size:13px;border-bottom:1px solid #8fa2af}
@media(max-width:900px){.site-header nav a:not(.nav-cta){display:none}.brand small{display:none}.hero{padding:60px 0}.hero-grid{grid-template-columns:1fr}.hero-visual{min-height:350px;box-shadow:10px 10px 0 var(--steel)}.problem-grid{grid-template-columns:1fr}.strength-grid{grid-template-columns:repeat(2,1fr)}.onestop-grid{grid-template-columns:repeat(2,1fr);gap:20px 0}}
@media(max-width:600px){.container,.narrow{width:min(100% - 28px,1160px)}.header-inner{height:68px}.brand-mark{width:36px;height:36px}.brand b{font-size:14px}.nav-cta{padding:10px 14px}.hero h1{font-size:38px}.lead{font-size:16px;line-height:1.85}.hero-actions{flex-direction:column}.button{width:100%}.trust-list{flex-direction:column;gap:5px}.hero-visual{padding:25px 19px;min-height:390px}.process-row{gap:5px;align-items:stretch}.process-card{padding:12px 8px;min-height:150px}.process-card b{font-size:14px;margin-top:18px}.process-card small{font-size:10px}.problem-section,.solution-section,.flow-section,.contact-section{padding:75px 0}.problem-grid h2{font-size:20px}.answer{font-size:17px}.strength-grid{grid-template-columns:1fr}.onestop-grid{grid-template-columns:1fr 1fr}.onestop-grid div{padding:18px 12px}.onestop-grid b{font-size:15px}.flow-list li{grid-template-columns:50px 1fr;padding:24px 5px}.contact-actions{flex-direction:column}.large,.phone{min-width:0;width:100%}.footer-inner{display:block}.footer-inner a{display:inline-block;margin-top:18px}}
.brand{gap:15px}.brand-logo{display:block;width:190px;height:auto}.brand b{display:none}.brand small{border-left:1px solid var(--line);padding-left:15px;line-height:1.5}
.hero-specialist{margin:0 0 14px;color:var(--navy);font-size:clamp(28px,3.1vw,43px);font-weight:800;line-height:1.35;letter-spacing:.02em}.hero-specialist strong{color:var(--orange);font-size:1.28em;font-weight:900}.hero-specialist+.eyebrow{margin-bottom:15px}
.kumista-logo{display:block;width:min(500px,100%);height:auto;margin:0 0 28px;filter:drop-shadow(0 8px 15px rgba(11,33,56,.08))}
@media(max-width:600px){.brand-logo{width:155px}.brand small{display:none}}