:root{--blue:#D60101;--deep:#D60101;--ink:#090c13;--pale:#D60101;--line:#D60101;--muted:#D60101;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Noto Sans JP",sans-serif;background:#fff}a{text-decoration:none;color:inherit}.container{width:min(var(--max),calc(100% - 80px));margin:auto}.label{color:var(--blue);font:700 12px/1.2 Inter,sans-serif;margin:0 0 9px}.stripe{background:linear-gradient(90deg,#D60101,#D60101 53%,#D60101)}
.header{height:76px;display:flex;align-items:center;padding:0 3%;position:absolute;z-index:10;width:100%;gap:40px}.logo{display:flex;align-items:center;gap:10px;font-size:22px}.logo-mark{color:var(--blue);font:800 34px/1 Inter;transform:rotate(-12deg)}.nav{margin-left:auto;display:flex;align-items:center;gap:35px;font:700 9px/1 Inter}.contact-link{background:var(--blue);color:#fff;padding:15px 18px;border-radius:7px;font-size:11px}.menu{display:none}
.hero{height:650px;position:relative;overflow:hidden;background:linear-gradient(100deg,#fff 0%,#fff 42%,#D60101 100%)}.hero-visual{position:absolute;right:0;top:0;width:57%;height:100%;background:url("../img/hero.jpg") center/cover no-repeat}.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.05) 35%,transparent 100%)}.hero-inner{height:100%;display:flex;align-items:center;padding-top:58px}.hero-copy{position:relative;z-index:2;width:52%}.hero h1{font-size:53px;line-height:1.22;letter-spacing:.02em;margin:0 0 23px;font-weight:800}.hero h1 span{color:var(--blue)}.lead{font-size:15px;font-weight:600;line-height:1.85;margin:0 0 18px}.hero-theme{display:flex;flex-direction:column;margin-bottom:22px}.hero-theme i{width:23px;height:3px;background:var(--blue);margin-bottom:7px}.hero-theme strong{color:var(--blue);font:700 31px/1.1 Inter}.hero-theme small{font-size:11px;font-weight:600;margin-top:8px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:7px;font-size:12px;font-weight:700;height:46px;padding:0 22px}.button span{margin-left:25px}.primary{background:var(--blue);color:#fff}.outline{border:1px solid var(--blue);color:var(--blue);height:38px;background:#fff}
.about{padding:42px 0}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.section-title{margin-bottom:32px}.section-title__ja{font:700 11px/1.4 Inter, sans-serif;letter-spacing:0.16em;color:var(--blue);text-transform:uppercase;margin:0 0 10px}.section-title__en{font:700 28px/1.2 Inter, sans-serif;color:#111;margin:0}.about h2,.value-section h2,.section-head h2,.group h2{font-size:28px;line-height:1.2;margin:0 0 12px}.about p{font-size:13px;line-height:1.75;font-weight:600}
.section-title{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.section-title__ja{font:700 11px/1.4 Inter,semibold;letter-spacing:0.16em;color:var(--blue);text-transform:uppercase;margin:0}
.section-title__en{font:700 28px/1.2 Inter,semibold;color:#111;margin:0}
.value-section{padding:52px 0 60px}.value-grid{display:grid;grid-template-columns:minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr);grid-template-areas:"a ar1 b ar2 c ar3 d ar4 e";align-items:start;margin-top:19px}.value-grid article:nth-of-type(1){grid-area:a}.value-grid article:nth-of-type(2){grid-area:b}.value-grid article:nth-of-type(3){grid-area:c}.value-grid article:nth-of-type(4){grid-area:d}.value-grid article:nth-of-type(5){grid-area:e}.value-grid .arrow:nth-of-type(1){grid-area:ar1}.value-grid .arrow:nth-of-type(2){grid-area:ar2}.value-grid .arrow:nth-of-type(3){grid-area:ar3}.value-grid .arrow:nth-of-type(4){grid-area:ar4}.value-grid img{width:100%;height:112px;object-fit:cover;border-radius:10px}.value-grid h3{font:700 16px/1.25 Inter;color:var(--blue);margin:10px 0 3px}.value-grid b{font-size:13px}.value-grid p{font-size:10px;line-height:1.6;font-weight:600;color:#33405a}.arrow{color:var(--blue);font:700 35px/112px Inter;text-align:center}
.approach{padding:45px 0}.approach-grid{display:grid;grid-template-columns:31% 69%;align-items:stretch}.approach-intro{padding-right:30px}.approach-intro h2{font-size:27px;line-height:1.3;margin:0 0 10px}.approach-intro>p:not(.label){font-size:11px;line-height:1.7;font-weight:600}.steps{display:grid;grid-template-columns:repeat(5,1fr);margin:0;padding:0;list-style:none;background:rgba(255,255,255,.65)}.steps li{min-height:225px;border-left:1px solid var(--line);padding:14px 22px;display:flex;flex-direction:column}.steps em{font:700 18px/1 Inter;color:var(--blue);font-style:normal}.steps i{font:400 43px/1 Inter;color:var(--blue);margin:23px 0;font-style:normal}.steps b{font-size:11px}.steps p{font-size:9px;line-height:1.6;font-weight:600;margin-top:auto}
.service-section{padding:50px 0;background:linear-gradient(90deg,#D60101,#D60101 53%,#D60101)}.section-head{display:flex;justify-content:space-between;align-items:flex-end}.section-head a{font-size:11px;font-weight:700;color:var(--blue)}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:17px}.case{border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 8px 22px rgba(214,1,1,.08)}.case img{display:block;width:100%;height:auto}
.group{padding:10px 0 42px}.group-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:34px;margin-top:16px}.group-grid article{background:linear-gradient(135deg,#D60101,#fff);border-radius:10px;padding:22px 28px;min-height:185px;position:relative}.group-grid article+article:before{content:"↔";position:absolute;left:-43px;top:65px;width:49px;height:27px;border-radius:20px;background:rgba(214,1,1,.12);color:var(--blue);display:grid;place-items:center}.group-grid .active{background:linear-gradient(135deg,#D60101,#D60101);color:#fff}.mini-mark{float:left;color:var(--blue);font-size:28px;margin-right:12px}.active .mini-mark{color:#ffd231}.group-grid h3{font-size:21px;margin:0}.group-grid b{font:600 10px/1 Inter}.group-grid p,.group-grid li{font-size:9px;font-weight:600}.group-grid ul{padding-left:18px;line-height:1.7}
.message{overflow:hidden}.message-grid{height:230px;display:grid;grid-template-columns:25% 40% 35%;align-items:stretch}.portrait{display:flex;align-items:flex-end;justify-content:center}.portrait img{height:225px;width:auto}.message-copy{padding:28px 20px}.message-copy h2{font-size:21px;line-height:1.35;margin:0 0 10px}.message-copy p{font-size:10px;line-height:1.6;font-weight:600}.message-copy b{font-size:10px}.contact-card{background:linear-gradient(135deg,#D60101,#D60101);color:#fff;margin:10px 0;border-radius:12px 12px 0 0;padding:24px;display:grid;grid-template-columns:45px 1fr;gap:15px}.contact-card i{font-size:30px;font-style:normal}.contact-card h3{font-size:15px;margin:0 0 8px}.contact-card p{font-size:9px;line-height:1.65}.contact-card a{display:block;background:#fff;color:var(--blue);border-radius:5px;text-align:center;padding:9px;font-size:10px;font-weight:700;margin-top:10px}
@media(max-width:1100px){.container{width:min(100% - 36px,var(--max))}.header{height:64px;padding:0 18px}.logo{font-size:18px}.logo-mark{font-size:27px}.nav{display:none}.menu{display:block;margin-left:auto;border:0;background:none;width:36px}.menu i{display:block;height:1px;background:#111;margin:8px 0}.nav.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:#fff;padding:25px;gap:22px;box-shadow:0 12px 20px rgba(0,0,0,.08)}.hero{height:760px}.hero-inner{align-items:flex-start;padding-top:110px}.hero-copy{width:100%}.hero h1{font-size:36px}.hero-visual{top:260px;width:100%;height:500px;opacity:.95}.hero-visual:after{background:linear-gradient(180deg,#fff 0%,rgba(255,255,255,.05) 30%)}.about-grid{grid-template-columns:1fr;gap:5px}.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px 15px}.value-grid article{grid-area:auto!important}.value-grid .arrow{display:none}.approach-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.steps li{min-height:135px;display:grid;grid-template-columns:45px 55px 1fr;grid-template-rows:auto 1fr;align-items:center;border-left:0;border-top:1px solid var(--line)}.steps i{margin:0}.steps p{grid-column:3;margin:4px 0}.case-grid,.group-grid{grid-template-columns:1fr}.group-grid article+article:before{content:"↕";left:calc(50% - 24px);top:-30px}.message-grid{height:auto;grid-template-columns:1fr}.portrait img{height:240px}.message-copy{padding:25px 10px}.contact-card{margin:0;border-radius:12px}.section-head{align-items:flex-start;gap:15px}.section-head a{white-space:nowrap}.about h2,.value-section h2,.section-head h2,.group h2{font-size:23px}}
@media(max-width:540px){.value-grid{grid-template-columns:1fr}.hero-theme strong{font-size:25px}.about{padding:35px 0}.value-grid img{height:auto}.case-grid{gap:14px}.section-head{display:block}.section-head a{display:inline-block;margin-top:5px}.group-grid{gap:38px}}