:root{--red:#e00012;--red-dark:#a9000b;--yellow:#ffd21a;--black:#090909;--ink:#161616;--cream:#f7f4ea;--line:#e6e2da}
*{box-sizing:border-box}body{margin:0;font-family:"Noto Sans JP","Yu Gothic",system-ui,sans-serif;color:var(--ink);background:#fff;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;height:auto}.kicker{color:var(--red);font-size:13px;font-weight:900;letter-spacing:.14em}.btn,.dummy-form button{display:inline-flex;align-items:center;justify-content:center;gap:14px;background:var(--red);color:#fff;border:0;padding:16px 34px;font-weight:900}.btn:after,.text-link:after{content:"→";margin-left:14px}.btn--outline{border:1px solid #fff;background:transparent}.line-link{display:inline-flex;align-items:center;gap:20px;margin-top:34px;padding-bottom:12px;border-bottom:1px solid #aaa;font-weight:900}.line-link:before{content:"";width:48px;height:2px;background:var(--red)}
.site-header{position:fixed;top:0;left:0;width:100%;height:92px;z-index:100;display:flex;align-items:center;justify-content:space-between;padding-left:52px;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);box-shadow:0 8px 36px rgba(0,0,0,.06)}.site-header__logo img{height:50px;width:auto;display:block}.site-header__nav{margin-left:auto;margin-right:134px}.soto-menu{list-style:none;display:flex;gap:34px;margin:0;padding:0;font-size:14px;font-weight:900}.site-header__contact{position:absolute;right:0;top:0;width:124px;height:92px;background:var(--red);color:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;font-size:12px;font-weight:900}.site-header__contact:before{content:"✉";font-size:30px;margin-bottom:5px}.site-header__hamburger{display:none}.mobile-menu{display:none}
.front-hero{position:relative;min-height:1060px;padding:150px 5.5vw 90px;display:grid;grid-template-columns:42% 58%;align-items:center;background:radial-gradient(circle at 30% 52%,#fff 0 40%,#fbfaf5 100%);overflow:hidden}.front-hero__yellow{position:absolute;right:5.5%;top:-160px;width:410px;height:1280px;background:var(--yellow);border-radius:50%;transform:rotate(23deg);z-index:0}.front-hero__red{position:absolute;left:18%;top:-245px;width:820px;height:1360px;background:linear-gradient(145deg,#ff211a,var(--red) 55%,var(--red-dark));border-radius:50%;transform:rotate(25deg);z-index:1;box-shadow:0 60px 140px rgba(224,0,18,.28)}.front-hero__red:before{content:"";position:absolute;left:98px;top:78px;width:650px;height:1190px;background:#fff;border-radius:50%}.front-hero__text{position:relative;z-index:4}.front-hero h1{font-size:92px;line-height:1.08;font-weight:1000;letter-spacing:-.08em;margin:18px 0 0}.front-hero__lead{font-size:18px;line-height:2.05;font-weight:850;max-width:520px}.front-hero__visual{position:relative;z-index:3;justify-self:end;width:min(800px,57vw);height:min(800px,57vw);border-radius:50%;overflow:hidden;background:#111 center/cover no-repeat;box-shadow:0 54px 135px rgba(0,0,0,.34)}.front-hero__visual:after{content:"";position:absolute;right:-3%;top:-4%;width:56%;height:110%;background:linear-gradient(90deg,rgba(224,0,18,.18),rgba(224,0,18,.88));mix-blend-mode:multiply}
.section{padding:98px 5.5vw;position:relative}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:46px}.section-head h2,.center-title h2{font-size:42px;line-height:1.2;margin:.25em 0;font-weight:1000;letter-spacing:-.04em}.center-title{text-align:center;margin-bottom:54px}.section--business{overflow:hidden}.section--business:before{content:"SOTO";position:absolute;left:0;bottom:-75px;font-size:210px;font-weight:1000;color:#f0eee8;line-height:1;letter-spacing:-.09em}.service-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.service-grid--large{grid-template-columns:repeat(3,1fr)}.service-card{position:relative;background:#fff;min-height:360px;clip-path:polygon(7% 0,100% 0,93% 100%,0 100%);box-shadow:0 28px 72px rgba(0,0,0,.085);overflow:hidden}.service-card__photo{height:150px;background:center/cover no-repeat}.service-card__icon{position:absolute;left:22px;top:112px;width:72px;height:72px;border-radius:50%;z-index:2;display:grid;place-items:center;background:var(--red);color:#fff;border:6px solid #fff;font-size:30px;font-weight:1000}.service-card__body{padding:50px 20px 28px}.service-card__num{color:var(--yellow);font-size:22px;font-weight:1000}.service-card h3{font-size:18px;margin:10px 0 15px;font-weight:1000}.service-card p{font-size:13px;line-height:1.86;color:#444;font-weight:700}.arrow{color:var(--red);font-size:22px;font-weight:1000}
.strength-band{display:grid;grid-template-columns:1.25fr .75fr;background:#111;color:#fff}.strength-band__content{min-height:390px;padding:70px 5.5vw;background:linear-gradient(90deg,rgba(0,0,0,.92),rgba(0,0,0,.75)),url('../img/page-hero.svg') center/cover}.strength-band h2{font-size:36px}.strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:38px}.strength-grid div{border-left:1px solid rgba(255,255,255,.24);padding-left:22px}.strength-grid span{color:var(--yellow);font-size:28px;font-weight:900}.strength-grid p{color:#ddd;line-height:1.8}.strength-band__contact{background:linear-gradient(145deg,var(--red),#ed2116);padding:70px 4vw;display:flex;flex-direction:column;justify-content:center}.strength-band__contact strong{font-size:46px;margin:10px 0 26px}.strength-band__contact a{border:1px solid rgba(255,255,255,.8);padding:16px 28px;color:#fff;font-weight:900;align-self:flex-start}
.work-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.work-grid--archive{grid-template-columns:repeat(4,1fr)}.work-card{background:#fff;box-shadow:0 22px 60px rgba(0,0,0,.08);overflow:hidden}.work-card__image{height:230px;background:center/cover no-repeat}.work-card__body{padding:18px}.work-card__place{font-size:12px;color:#555}.work-card h3{font-size:20px;margin:10px 0 6px;line-height:1.35}.work-card p{color:#555;font-weight:700}.recruit-cta{display:grid;grid-template-columns:.8fr 1.2fr;align-items:center;background:var(--red);color:#fff;overflow:hidden}.recruit-cta__image{height:300px;background:center/cover no-repeat}.recruit-cta__body{padding:56px 6vw}.recruit-cta h2{font-size:38px;margin:10px 0}.recruit-cta p{line-height:2}
.page-hero{margin-top:92px;position:relative;min-height:410px;display:grid;grid-template-columns:48% 52%;align-items:center;overflow:hidden;background:#fff}.page-hero__text{padding:70px 5.5vw;z-index:3}.breadcrumb{font-size:12px;margin-bottom:24px;color:#555}.page-hero h1{font-size:58px;font-weight:1000;margin:0 0 22px;letter-spacing:-.04em}.page-hero p{font-size:20px;line-height:1.8;font-weight:800}.page-hero__shape{position:absolute;left:24%;top:-170px;width:520px;height:760px;background:linear-gradient(var(--red),var(--red-dark));border-radius:50%;transform:rotate(24deg);z-index:1}.page-hero__shape:before{content:"";position:absolute;left:70px;top:50px;width:400px;height:660px;background:#fff;border-radius:50%}.page-hero__image{height:100%;min-height:410px;background:center/cover no-repeat;z-index:2}
.technology-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.technology-card{background:#fff;box-shadow:0 18px 50px rgba(0,0,0,.08);overflow:hidden}.technology-card__image{height:145px;background:center/cover no-repeat}.technology-card__body{padding:20px}.technology-card span{color:var(--red);font-weight:1000}.technology-card h3{font-size:18px}.technology-card p{line-height:1.8;color:#555;font-size:13px}.process-section{padding:70px 5.5vw;background:var(--cream);text-align:center}.process-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;margin-top:34px}.process{background:#fff;padding:24px;box-shadow:0 14px 32px rgba(0,0,0,.04)}.process span{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--red);color:#fff;font-weight:900}.filter-pills{display:flex;justify-content:center;gap:18px;margin-bottom:42px;flex-wrap:wrap}.filter-pills span{padding:13px 34px;border:1px solid var(--line);border-radius:999px;font-weight:900}.filter-pills span:first-child{background:var(--red);color:#fff;border-color:var(--red)}
.company-message,.recruit-message,.contact-layout,.single-work{display:grid;grid-template-columns:42% 58%;gap:54px;align-items:center}.company-message__image,.recruit-message__photos{height:420px;background:url('../img/company-building.svg') center/cover no-repeat}.recruit-message__photos{background-image:url('../img/recruit-hero.svg')}.signature{text-align:right;font-size:22px;font-weight:900}.company-profile table,.job-table{width:100%;border-collapse:collapse;background:#fff}.company-profile th,.company-profile td,.job-table th,.job-table td{border:1px solid var(--line);padding:18px;text-align:left}.company-profile th,.job-table th{width:220px;background:#f8f8f8}.feature-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.feature{padding:28px;background:#fff;border:1px solid var(--line);text-align:center}.feature span{font-size:32px;color:var(--red)}.contact-info-box h2,.contact-form-box h2{color:var(--red)}.big-info{border:1px solid var(--line);padding:22px;margin:16px 0}.big-info span{color:var(--red);font-weight:900}.big-info strong{display:block;font-size:36px;letter-spacing:.03em}.dummy-form label{display:block;font-weight:900;margin-bottom:18px}.dummy-form input,.dummy-form textarea{display:block;width:100%;margin-top:8px;border:1px solid var(--line);padding:16px;font:inherit}.dummy-form textarea{height:180px}
.footer-cta{background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;padding:38px 5.5vw;display:flex;align-items:center;justify-content:space-between;gap:24px}.footer-cta__tel{font-size:38px;font-weight:1000}.site-footer{background:#111;color:#fff}.site-footer__main{display:grid;grid-template-columns:1.2fr 1.4fr .8fr;gap:50px;padding:60px 5.5vw}.site-footer__brand img{height:48px;background:#fff;padding:10px 14px;border-radius:6px}.site-footer__brand p{line-height:1.8;color:#ddd}.footer-menu{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:12px 30px;margin:0;padding:0;color:#ddd}.site-footer__contact strong{display:block;font-size:26px;margin:10px 0}.site-footer__bottom{border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;padding:20px 5.5vw;color:#aaa}
@media(max-width:1100px){.site-header__nav{display:none}.site-header__hamburger{display:flex;flex-direction:column;gap:5px;margin-left:auto;margin-right:150px;background:none;border:0}.site-header__hamburger span{display:block;width:28px;height:2px;background:#111}.mobile-menu{display:none;position:fixed;top:92px;left:0;right:0;background:#fff;z-index:99;padding:24px}.mobile-menu.is-open{display:block}.mobile-menu .soto-menu{display:grid;gap:18px}.front-hero{grid-template-columns:1fr;min-height:auto}.front-hero h1{font-size:64px}.front-hero__visual{width:86vw;height:86vw;justify-self:center;margin-top:44px}.front-hero__red{left:35%;opacity:.95}.service-grid,.service-grid--large,.work-grid,.work-grid--archive{grid-template-columns:repeat(2,1fr)}.strength-band,.company-message,.recruit-message,.contact-layout,.site-footer__main,.single-work{grid-template-columns:1fr}.technology-grid,.process-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.site-header{height:76px;padding-left:20px}.site-header__logo img{height:38px}.site-header__contact{height:76px;width:92px;font-size:10px}.site-header__hamburger{margin-right:110px}.front-hero{padding:116px 24px 60px}.front-hero h1{font-size:46px}.section,.page-hero__text{padding-left:24px;padding-right:24px}.service-grid,.service-grid--large,.work-grid,.work-grid--archive,.technology-grid,.process-grid,.feature-grid{grid-template-columns:1fr}.page-hero{grid-template-columns:1fr;margin-top:76px}.page-hero h1{font-size:42px}.page-hero__image{min-height:250px}.footer-cta,.site-footer__bottom{flex-direction:column;align-items:flex-start}.footer-cta__tel{font-size:30px}}