html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{font-size:100%;font:inherit;vertical-align:baseline;border:0;margin:0;padding:0}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:before,blockquote:after,q:before,q:after{content:"";content:none}table{border-collapse:collapse;border-spacing:0}:root{--color-accent:#33bfd2;--color-text:#222;--color-text-sub:#666;--color-text-muted:#888;--color-bg-light:#f7f9fa;--color-bg-gray:#fafafa;--color-bg-cta:#f5f5f5;--color-border:#e0e0e0;--color-white:#fff;--color-black:#000;--header-bg-dark:#00000040;--header-bg-light:#fffffff2;--nav-bg-mobile:#000000f2;--shadow-sm:0 4px 12px #0000000f;--shadow-md:0 4px 8px #0000000a, 0 8px 24px #00000014;--shadow-lg:0 8px 16px #0000000f, 0 16px 40px #0000001a;--container-width:960px;--header-height:80px;--font-serif:"Georgia", "Times New Roman", "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;--font-sans:"Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Meiryo", sans-serif;--transition:.3s}body{font-family:var(--font-sans)}h1,h2,h3,h4,h5,h6{font-weight:700}h2{margin-bottom:20px;font-size:28px}a{transition:all var(--transition);text-decoration:none}.section{margin:80px 16px}.header-sub{--header-bg:var(--header-bg-light);--header-text:var(--color-text);--header-hamburger:var(--color-text);box-shadow:var(--shadow-sm)}.sub-hero{height:45vh;min-height:280px;padding-top:var(--header-height);color:var(--color-white);text-align:center;background:linear-gradient(#0000008c,#0000008c),url(/img/hero.png) 50%/cover no-repeat;justify-content:center;align-items:center;display:flex}.sub-hero-inner h1{font-size:56px;font-family:var(--font-serif);letter-spacing:6px;margin-bottom:12px}.sub-hero-inner p{letter-spacing:4px;opacity:.9;font-size:16px}.breadcrumb{max-width:var(--container-width);color:var(--color-text-sub);margin:20px auto 0;padding:0 20px;font-size:13px}.breadcrumb a{color:var(--color-text-sub);margin-left:0;text-decoration:none}.breadcrumb a:hover{color:var(--color-accent)}.sub-content{max-width:var(--container-width);color:var(--color-text);margin:40px auto 100px;padding:0 20px;line-height:1.9}.sub-block{margin-bottom:80px}.sub-block h2{border-left:4px solid var(--color-accent);letter-spacing:1px;margin-bottom:30px;padding-left:16px;font-size:30px}.sub-block h3,.tech-section h3{color:var(--color-text);border-bottom:1px solid var(--color-border);margin-bottom:20px;padding-bottom:10px;font-size:28px;font-weight:500}.sub-block p{font-size:1rem;line-height:2}.sub-block p+p{margin-bottom:18px}.sub-block ul{margin-bottom:16px;margin-left:32px}.sub-block img{width:100%;height:auto}.signature{text-align:right;margin-top:20px;font-weight:700}.sub-hero{margin-top:var(--header-height-sm);height:35vh}@media screen and (width>=768px){.sub-hero{height:45vh;margin-top:0}}.sub-hero-inner h1{letter-spacing:3px;font-size:36px}@media screen and (width>=768px){.sub-hero-inner h1{letter-spacing:6px;font-size:56px}}.sub-hero-inner p{font-size:14px}@media screen and (width>=768px){.sub-hero-inner p{letter-spacing:4px;font-size:16px}}.sub-block h2{font-size:22px}@media screen and (width>=768px){.sub-block h2{font-size:30px}}.buttons{margin-top:30px}.btn{border:1px solid var(--color-black);box-shadow:var(--shadow-md);color:var(--color-black);background:0 0;border-radius:5px;padding:10px 24px;font-size:16px;font-weight:700;display:inline-block}.btn:hover{background:var(--color-accent);border:1px solid var(--color-accent);color:var(--color-white)}@media screen and (width>=768px){.btn{padding:12px 30px;font-size:20px}}.link-btn{color:var(--color-black);border-bottom:1px solid var(--color-black);width:fit-content;margin-top:30px;padding-bottom:3px;display:inline-block}.link-btn:hover{opacity:.6}.card-list{grid-template-columns:repeat(1,1fr);row-gap:80px;display:grid}@media screen and (width>=768px){.card-list{row-gap:0}.card-list --col2{grid-template-columns:repeat(2,1fr)}}.card{flex-direction:column;justify-content:center;align-items:center;row-gap:40px;display:flex}@media screen and (width>=768px){.card{flex-direction:row;column-gap:80px;padding:32px 16px}}.card__image{aspect-ratio:16/9;box-shadow:var(--shadow-lg);border-radius:20px;max-width:480px;overflow:hidden}.card__image img{object-fit:cover;width:100%;height:100%}.card__contents{flex-direction:column;justify-content:center;align-items:center;row-gap:36px;display:flex}.card-text{font-size:20px;font-weight:500}.cta{text-align:center;background:var(--color-bg-cta);color:var(--color-black);padding:80px 20px}.footer{text-align:center;background:var(--color-black);color:var(--color-white);padding:36px}.footer .footer-links{grid-template-columns:1fr 1fr;align-items:center;gap:12px;margin:24px 0;padding:0;list-style:none;display:grid}@media screen and (width>=768px){.footer .footer-links{flex-wrap:wrap;justify-content:center;gap:24px;display:flex}}.footer .footer-links li{text-align:center;width:100%;position:relative}@media screen and (width>=768px){.footer .footer-links li{text-align:left;width:auto}}.footer .footer-links li:not(:last-child):after{content:none;color:#ffffff4d;position:absolute;right:-14px}@media screen and (width>=768px){.footer .footer-links li:not(:last-child):after{content:"|"}}.footer .footer-links a{color:var(--color-white)}.header{--header-bg:var(--header-bg-dark);--header-text:var(--color-white);--header-hamburger:var(--color-white);width:100%;height:var(--header-height);z-index:100;background:var(--header-bg);position:fixed;top:0}.header-inner{height:var(--header-height);justify-content:space-between;align-items:center;padding:0 12px;display:flex}@media screen and (width>=1024px){.header-inner{padding:0 40px}}.logo-area{align-items:center;gap:12px;display:flex}.logo-area:hover{opacity:.8}.logo-area .logo{width:auto;height:60px}.logo-area .company-name{color:var(--header-text);font-size:24px;font-weight:500;display:none}@media screen and (width>=1024px){.logo-area .company-name{display:block}}nav a{color:var(--header-text);position:relative}nav a:after{content:"";background:var(--color-accent);width:0;height:2px;transition:var(--transition);position:absolute;bottom:-6px;left:0}nav a:hover:after{width:100%;transition:var(--transition);transform:translateY(-2px)}.global-nav{background:var(--nav-bg-mobile);opacity:0;pointer-events:none;flex-direction:column;width:min(200px,85vw);height:calc(100vh - 80px);transition:transform .35s,opacity .35s;display:flex;position:fixed;top:80px;right:0;transform:translate(120%)}@media screen and (width>=1024px){.global-nav{opacity:1;pointer-events:auto;background:0 0;flex-direction:row;width:auto;height:auto;position:static;top:auto;right:auto;transform:none}}.global-nav a{color:var(--color-white);margin:0;padding:20px 40px;display:block}@media screen and (width>=1024px){.global-nav a{color:var(--header-text);margin:0 0 0 24px;padding:0;display:inline-block}}.global-nav a.active:after{width:100%}#menu-toggle{display:none}#menu-toggle:checked~.global-nav{opacity:1;pointer-events:auto;transform:translate(0)}.hamburger{cursor:pointer;flex-direction:column;justify-content:space-between;width:28px;height:20px;display:flex}@media screen and (width>=1024px){.hamburger{display:none}}.hamburger span{background:var(--header-hamburger);height:2px;display:block}.next-action{text-align:left;margin-bottom:50px;padding:70px 0}@media screen and (width>=768px){.next-action{padding:100px 0}}.next-action h2{color:var(--color-text);border-bottom:1px solid var(--color-border);margin-bottom:40px;font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.3}.next-action .next-grid{grid-template-columns:1fr;gap:24px;display:grid}@media screen and (width>=768px){.next-action .next-grid{grid-template-columns:repeat(3,1fr)}}.next-action .next-grid .next-card{background:var(--color-white);border:1px solid var(--color-border);box-shadow:var(--shadow-md);transition:var(--transition);border-radius:16px;flex-direction:column;padding:28px 24px}@media screen and (width>=768px){.next-action .next-grid .next-card{padding:36px}}.next-action .next-grid .next-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}.next-action .next-grid .next-card:hover .page-more{transform:translate(6px)}.next-action .next-grid .next-card .next-label{letter-spacing:.05em;color:var(--color-accent);text-transform:uppercase;margin-bottom:12px;font-size:.8rem;font-weight:700;display:inline-block}.next-action .next-grid .next-card h3{color:var(--color-text);margin-bottom:16px}.next-action .next-grid .next-card p{color:var(--color-text-sub);flex:1;margin-bottom:24px;line-height:1.9}.next-action .next-grid .next-card .page-more{color:var(--color-accent);letter-spacing:.5px;transition:var(--transition);margin-top:26px;font-weight:700;display:inline-block}.hero{background-image:url(/img/hero.png);background-position:50%;background-size:cover;justify-content:center;align-items:center;height:100vh;display:flex}.hero .hero-text{color:var(--color-white);text-align:left;font-size:60px;font-family:var(--font-serif);position:absolute;top:40%;left:10%;transform:translateY(-50%)}@media screen and (width>=768px){.hero .hero-text{top:35%;left:25%;transform:translate(-50%,-50%)}}.hero .hero-text h1{letter-spacing:0;font-size:40px;line-height:1.4}@media screen and (width>=768px){.hero .hero-text h1{letter-spacing:8px;font-size:72px}}.company{background:url(/img/top_company.png) 0/cover no-repeat;height:600px;position:relative}@media screen and (width>=768px){.company{height:60vh}}.company .company-text{box-shadow:var(--shadow-md);background-color:#ffffffe6;border-radius:20px;flex-direction:column;justify-content:center;padding:2rem;line-height:1.8;display:flex;position:absolute;inset:5%}@media screen and (width>=768px){.company .company-text{width:50%;max-width:720px;inset:auto 5% 20% auto}}.issue-list{grid-template-columns:1fr;gap:18px;display:grid}@media screen and (width>=768px){.issue-list{grid-template-columns:repeat(2,1fr);gap:24px}}.issue-list .issue-item{background:var(--color-white);border:1px solid var(--color-border);box-shadow:var(--shadow-md);border-radius:12px;padding:26px 24px 24px;transition:all .3s}@media screen and (width>=768px){.issue-list .issue-item{padding:32px}}.issue-list .issue-item__title{color:var(--color-accent);margin-bottom:12px;padding-left:36px;font-size:16px;font-weight:700;line-height:1.5;position:relative}@media screen and (width>=768px){.issue-list .issue-item__title{font-size:20px}}.issue-list .issue-item__title:before{background:var(--color-accent);color:var(--color-white);content:"!";border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;display:flex;position:absolute;top:0;left:0}.issue-list .issue-item__description{color:var(--color-text-sub)}.solve-intro{margin-bottom:20px}.solve-intro .solve-block{--solve-image-order:1;--solve-content-order:2;flex-direction:column;gap:30px;max-width:1120px;margin:0 auto 64px;padding:0;display:flex}@media screen and (width>=768px){.solve-intro .solve-block{grid-template-columns:minmax(0,48%) minmax(0,1fr);align-items:center;gap:56px;margin:0 auto 96px;padding:0 24px;display:grid}}.solve-intro .solve-block.reverse{--solve-image-order:2;--solve-content-order:1}.solve-intro .solve-block .solve-image{background:var(--color-bg-light);box-shadow:var(--shadow-lg);order:var(--solve-image-order);border-radius:16px;margin:0;overflow:hidden}.solve-intro .solve-block .solve-image img{aspect-ratio:3/2;object-fit:cover;width:100%;height:auto;display:block}.solve-intro .solve-block .solve-content{order:var(--solve-content-order);min-width:0}.solve-intro .solve-block .solve-content .solve-tag{color:var(--color-accent);letter-spacing:.04em;background:#004b8d14;border-radius:999px;align-items:center;margin-bottom:18px;padding:7px 14px;font-size:.82rem;font-weight:700;display:inline-flex}.solve-intro .solve-block .solve-content h3{border-bottom:none;margin:0 0 22px;padding-bottom:0;font-size:clamp(1.55rem,2.2vw,2.2rem);line-height:1.45}.solve-intro .solve-block .solve-content p{color:var(--color-text-sub);margin:0 0 24px;line-height:2}.solve-intro .solve-block .solve-content .solve-points{gap:10px;display:grid}.solve-intro .solve-block .solve-content .solve-points li{padding-left:28px;font-weight:600;line-height:1.7;position:relative}.solve-intro .solve-block .solve-content .solve-points li:before{content:"";background:var(--color-accent);border-radius:50%;width:10px;height:10px;position:absolute;top:.58em;left:0;box-shadow:0 0 0 5px #004b8d14}.strength-card-list{grid-template-columns:1fr;gap:16px;display:grid}@media screen and (width>=768px){.strength-card-list{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}.strength-card{background:var(--color-white);border:1px solid var(--color-border);box-shadow:var(--shadow-md);text-align:left;border-radius:16px;padding:24px 20px;transition:transform .25s,box-shadow .25s}@media screen and (width>=768px){.strength-card{padding:30px 24px}}.strength-card h3{color:var(--color-accent);margin:0 0 14px;font-size:1.5rem;line-height:1.5}.strength-card p{color:var(--color-text);margin:0;font-size:.94rem;line-height:1.85}.tech-layout{flex-direction:column;gap:28px;display:flex}@media screen and (width>=768px){.tech-layout{flex-direction:row;align-items:center;gap:56px}}.tech-layout img{border-radius:12px;width:100%;max-width:360px;height:auto}@media screen and (width>=768px){.tech-layout img{width:360px}}.tech-layout .tech-content h3{color:var(--color-text);border:none;margin:0 0 22px;padding:0;font-size:clamp(1.45rem,2.1vw,1.8rem);line-height:1.5}.tech-layout .tech-content p{color:var(--color-text-sub);margin:0 0 16px;line-height:2}.tech-layout .tech-content p:last-child{margin-bottom:0}.flow-card-list{grid-template-columns:1fr;gap:16px;margin-top:28px;display:grid}@media screen and (width>=768px){.flow-card-list{grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}}.flow-card{background:var(--color-white);border:1px solid var(--color-border);border-radius:14px;padding:24px 20px;position:relative}@media screen and (width>=768px){.flow-card{padding:32px 24px}}.flow-card:not(:last-child):after{content:"";border-top:2px solid var(--color-border);border-right:2px solid var(--color-border);width:8px;height:8px;position:absolute;bottom:-16px;left:50%;transform:translateY(-50%)rotate(135deg)}@media screen and (width>=768px){.flow-card:not(:last-child):after{inset:50% -14px auto auto;transform:translateY(-50%)rotate(45deg)}}.flow-card .flow-number{color:var(--color-accent);letter-spacing:.04em;margin-bottom:14px;font-size:1.6rem;font-weight:700;line-height:1;display:block}.flow-card h3{border:none;margin:0 0 12px;padding:0;font-size:1.1rem;font-weight:700}.flow-card p{color:var(--color-text-sub);margin:0;font-size:.95rem;line-height:1.9}.tech-card-list{grid-template-columns:1fr;gap:16px;margin-top:28px;display:grid}@media screen and (width>=768px){.tech-card-list{grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}}.tech-card{background:var(--color-white);border:1px solid var(--color-border);box-shadow:var(--shadow-md);border-radius:16px;flex-direction:column;padding:28px 24px;transition:transform .3s,box-shadow .3s;display:flex}@media screen and (width>=768px){.tech-card{padding:36px}}.tech-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px #0000001f}.tech-card:hover .tech-detail{transform:translate(6px)}.tech-card .tech-category{color:var(--color-accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;font-size:.78rem;font-weight:700;display:inline-block}.tech-card h3{color:var(--color-text);border:none;margin:0 0 16px;padding:0;font-size:1.3rem;font-weight:600;line-height:1.5}.tech-card p{color:var(--color-text-sub);flex:1;margin:0 0 20px;line-height:1.95}@media screen and (width>=768px){.tech-card p{margin-bottom:26px}}.tech-card .tech-detail{color:var(--color-accent);letter-spacing:.5px;transition:var(--transition);margin-top:26px;font-weight:700;display:inline-block}.application-card-list{grid-template-columns:1fr;gap:16px;margin-top:28px;display:grid}@media screen and (width>=768px){.application-card-list{grid-template-columns:repeat(2,1fr);gap:30px;margin-top:40px}}.app-card{background:var(--color-white);text-align:center;box-shadow:var(--shadow-md);border-radius:10px;padding:24px 20px}@media screen and (width>=768px){.app-card{padding:40px 30px}}.app-card h3{color:var(--color-accent);margin-bottom:15px}.app-table{border-collapse:collapse;width:100%;margin-top:0}.app-table th,.app-table td{text-align:left;border-bottom:1px solid var(--color-border);padding:12px 15px}.app-table th{background:var(--color-bg-gray);width:100px;color:var(--color-text);font-weight:700}.cases-list{grid-template-columns:1fr;gap:36px;padding:0 20px 80px;display:grid}@media screen and (width>=1024px){.cases-list{gap:50px;padding:0 20px 100px}}.cases-list .case-list-item{background:var(--color-white);box-shadow:var(--shadow-md);color:var(--color-text);border-radius:14px;grid-template-columns:1fr;display:grid;overflow:hidden}@media screen and (width>=1024px){.cases-list .case-list-item{grid-template-columns:42% 58%}}.cases-list .case-list-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}.cases-list .case-list-item:hover .case-more{transform:translate(6px)}.cases-list .case-list-item .case-list-image{background:var(--color-bg-light);min-height:260px}@media screen and (width>=1024px){.cases-list .case-list-item .case-list-image{min-height:320px}}.cases-list .case-list-item .case-list-image img{object-fit:cover;width:100%;height:100%;display:block}.cases-list .case-list-item .case-list-content{flex-direction:column;justify-content:center;padding:34px 28px;display:flex}@media screen and (width>=1024px){.cases-list .case-list-item .case-list-content{padding:42px 46px}}.cases-list .case-list-item .case-list-content .case-category{color:var(--color-accent);letter-spacing:1.8px;margin-bottom:12px;font-size:12px;font-weight:700;display:inline-block}.cases-list .case-list-item .case-list-content h3{border-bottom:1px solid var(--color-border);color:var(--color-text);margin-bottom:18px;padding-bottom:12px;font-size:24px;font-weight:500}@media screen and (width>=1024px){.cases-list .case-list-item .case-list-content h3{font-size:28px}}.cases-list .case-list-item .case-list-content p{margin-bottom:22px}.cases-list .case-list-item .case-list-content .case-summary{border-bottom:1px solid var(--color-border);grid-template-columns:1fr;padding:10px 0;font-size:14px;display:grid}@media screen and (width>=1024px){.cases-list .case-list-item .case-list-content .case-summary{grid-template-columns:90px 1fr;padding:0}}.cases-list .case-list-item .case-list-content .case-summary dt,.cases-list .case-list-item .case-list-content .case-summary dd{border-top:1px solid var(--color-border);padding:2px 0}@media screen and (width>=1024px){.cases-list .case-list-item .case-list-content .case-summary dt,.cases-list .case-list-item .case-list-content .case-summary dd{padding:10px 0}}.cases-list .case-list-item .case-list-content .case-summary dt{color:var(--color-text-sub);font-weight:500}.cases-list .case-list-item .case-list-content .case-more{color:var(--color-accent);letter-spacing:.5px;transition:var(--transition);margin-top:26px;font-weight:700;display:inline-block}.app-card-list{grid-template-columns:1fr;gap:16px;display:grid}@media screen and (width>=768px){.app-card-list{grid-template-columns:repeat(2,1fr);gap:32px}}.greeting-content{flex-direction:column;align-items:flex-start;gap:30px;display:flex}@media screen and (width>=768px){.greeting-content{flex-direction:row;gap:50px}}.greeting-content .greeting-text{flex:1;order:2}@media screen and (width>=768px){.greeting-content .greeting-text{order:0}}.greeting-content .greeting-profile{text-align:center;flex-shrink:0;order:1;width:220px;margin:0 auto}@media screen and (width>=768px){.greeting-content .greeting-profile{order:0;width:200px;margin:0}}.greeting-content .greeting-profile img{border-radius:12px;width:100%}.philosophy{background:var(--color-bg-light);text-align:center;border-radius:8px;padding:30px 20px}@media screen and (width>=768px){.philosophy{padding:50px 40px}}.philosophy .philosophy-lead{font-size:32px;font-family:var(--font-serif);letter-spacing:4px;color:var(--color-accent);word-break:auto-phrase;margin-bottom:20px}.philosophy .philosophy-text{word-break:auto-phrase}.info-table{border-collapse:collapse;width:100%;font-size:16px}.info-table th,.info-table td{text-align:left;border-bottom:1px solid var(--color-border);vertical-align:top;width:100%;padding:12px 15px;display:block}@media screen and (width>=768px){.info-table th,.info-table td{width:auto;padding:14px 16px;display:table-cell}}.info-table th{background:var(--color-bg-gray);width:100%;color:var(--color-text);border-bottom:none;padding-bottom:4px;font-weight:700}@media screen and (width>=768px){.info-table th{border-bottom:1px solid var(--color-border);width:160px;padding-bottom:14px}}.timeline{border-left:2px solid var(--color-accent);margin-left:20px;padding:0;list-style:none}.timeline li{padding:0 0 30px 30px;position:relative}.timeline li:before{content:"";background:var(--color-accent);border-radius:50%;width:14px;height:14px;position:absolute;top:6px;left:-8px}.timeline .tl-year{width:auto;color:var(--color-accent);font-size:18px;font-weight:700;display:block}@media screen and (width>=768px){.timeline .tl-year{width:90px;display:inline-block}}.map-wrap{box-shadow:var(--shadow-md);border-radius:8px;margin-top:20px;overflow:hidden}