:root{
 --navy:#0b2a57; --gold:#c8ab63; --text:#1d2d4a; --light:#f7f7f5; --line:#dcd8d0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Yu Mincho","Hiragino Mincho ProN","MS PMincho",serif;color:var(--text);background:#fff}
img{max-width:100%;display:block}
.container{width:1200px;max-width:calc(100% - 80px);margin:0 auto}

.site-header{height:86px;border-bottom:1px solid #eee;background:#fff;position:sticky;top:0;z-index:10}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand img{height:48px;width:auto}
.nav{display:flex;gap:22px;font-size:13px;letter-spacing:.02em;white-space:nowrap}
.nav a{text-decoration:none;color:var(--text);position:relative}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-12px;height:2px;background:var(--gold)}
.mobile-menu{display:none}
section[id],.about-col[id],.services-col[id],.approach-col[id],.card[id]{scroll-margin-top:96px}

.hero{position:relative;background:url('../assets/images/hero.png') center 64%/cover no-repeat;height:520px}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.88) 0%,rgba(255,255,255,.66) 32%,rgba(255,255,255,.24) 56%,rgba(255,255,255,0) 74%)}
.hero .content{position:relative;padding:58px 0 0 44px;width:1200px;max-width:calc(100% - 80px)}
.hero h1{font-size:56px;line-height:1.22;margin:0 0 18px;font-weight:500;letter-spacing:.02em;white-space:nowrap}
.hero h1 span{display:inline}
.hero-title-second{margin-left:.08em}
.hero p{font-size:21px;line-height:1.85;margin:0;max-width:640px;text-shadow:0 1px 10px rgba(255,255,255,.55)}

.values{background:#002a66;padding:30px 0 26px}
.values .row{display:grid;grid-template-columns:repeat(5,1fr);align-items:center}
.value-item{position:relative;text-align:center;color:#fff;padding:0 20px}
.value-item:not(:last-child)::after{content:"";position:absolute;right:0;top:20px;bottom:20px;width:1px;background:rgba(255,255,255,.4)}
.value-item img{height:68px;width:auto;margin:0 auto 14px;object-fit:contain}
.value-item.bridging img{height:84px}
.value-item h3{margin:0;font-size:18px;font-weight:500}
.value-item p{margin:6px 0 0;font-size:14px}

.overview{padding:48px 0}
.overview-grid{display:grid;grid-template-columns:1.0fr 1.2fr 1.15fr;gap:34px}
.section-title span{display:block;color:#b18d44;font-size:14px;margin-bottom:6px}
.section-title h2{font-size:26px;margin:0 0 18px;font-weight:500}
.section-title h2:after{content:"";display:block;width:28px;height:2px;background:var(--gold);margin-top:12px}
.copy-block p{font-size:17px;line-height:2.0;margin:0 0 20px}
.services-col,.approach-col,.about-col{padding-right:20px}
.services-col,.approach-col{border-left:1px solid #ddd;padding-left:30px}

.service-list article{border:1px solid #ddd;padding:12px 12px;display:flex;gap:12px;align-items:center;margin-bottom:14px}
.service-list img{width:34px;height:34px;object-fit:contain;flex:0 0 34px}
.service-list h3{font-size:17px;line-height:1.45;margin:0 0 6px;font-weight:600;word-break:keep-all;line-break:strict}
.service-list p{font-size:13px;line-height:1.7;margin:0}

.approach-list{position:relative}
.approach-step{display:grid;grid-template-columns:36px 64px 1fr;gap:12px;align-items:start;margin-bottom:28px}
.approach-step .num{width:32px;height:32px;background:#042861;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;margin-top:14px}
.approach-step .icon-wrap{width:64px;height:64px;border:1px solid #dadada;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-top:0}
.approach-step img{width:34px;height:34px;object-fit:contain}
.approach-step .title{margin-top:8px}
.approach-step h3{font-size:19px;line-height:1.45;margin:0 0 4px;font-weight:600;word-break:keep-all;line-break:strict}
.approach-step .en{font-size:16px;color:#334;margin-bottom:8px}
.approach-step p{font-size:13px;line-height:1.9;margin:0}

.lower{padding:18px 0 44px}
.lower-grid{display:grid;grid-template-columns:1.12fr .95fr;gap:26px}
.card{border:1px solid #ddd;padding:26px 28px}
.rep .lead{font-size:14px;line-height:1.8}
.timeline ul{padding-left:0;margin:10px 0;list-style:none}
.timeline li{display:grid;grid-template-columns:62px 1fr;column-gap:14px;font-size:13px;line-height:1.7;margin-bottom:10px}
.timeline .year{font-weight:600;color:var(--text);white-space:nowrap}
.timeline .body{min-width:0}
.meta{display:grid;grid-template-columns:2fr 1fr;gap:24px;border-top:1px solid #ddd;padding-top:12px;margin-top:16px;font-size:13px;line-height:1.7}

.company table{width:100%;border-collapse:collapse;margin-top:12px;font-size:14px}
.company th,.company td{border:1px solid #ddd;padding:24px 18px;vertical-align:middle}
.company th{width:120px;font-weight:500;background:#fafafa;font-size:14px}
.company td{font-size:14px;line-height:1.8}

.contact{background:#02295f;color:#fff;padding:30px 0 18px}
.contact .container{display:grid;grid-template-columns:1.1fr 1.1fr .9fr;align-items:center;gap:20px}
.contact .title span{display:block;font-size:14px}
.contact .title h2{font-size:30px;margin:6px 0 8px;font-weight:500}
.contact .title h2:after{content:"";display:block;width:30px;height:2px;background:var(--gold);margin-top:10px}
.contact p{font-size:14px;line-height:1.8;margin:0}
.contact-copy-pc{display:block}
.contact-copy-sp{display:none}
.contact .email{display:flex;align-items:center;justify-content:center;border-left:1px solid rgba(255,255,255,.35);border-right:1px solid rgba(255,255,255,.35);padding:10px 0;font-size:21px;font-weight:600;letter-spacing:.02em}
.contact .email .mailbox{display:none}
.contact .cta{text-align:right}
.contact .cta a{display:inline-block;background:var(--gold);color:#fff;text-decoration:none;padding:26px 54px;font-size:17px;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;font-weight:700;letter-spacing:.04em;text-shadow:0 1px 2px rgba(0,0,0,.12)}
.footer-copy{margin-top:24px;text-align:center;font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.58)}

@media(max-width:1100px) and (min-width:901px){
 .nav{gap:14px;font-size:12px;letter-spacing:0}
}

@media(max-width:900px){
 .container{max-width:calc(100% - 32px)}
 .overview-grid,.lower-grid,.contact .container{grid-template-columns:1fr}
 .services-col,.approach-col{border-left:none;padding-left:0}
 .hero{height:400px;background-position:40% 60%}
 .hero:before{background:linear-gradient(90deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.78) 48%,rgba(255,255,255,.28) 76%,rgba(255,255,255,.08) 100%)}
 .hero .content{padding:50px 0 0 20px;max-width:calc(100% - 32px)}
 .hero h1{font-size:44px;white-space:normal}
 .hero h1 span{display:block}
 .hero-title-second{margin-left:0}
 .hero p{font-size:18px;max-width:520px}
 .values{padding:24px 0}
 .values .row{grid-template-columns:1fr 1fr;gap:1px}
 .value-item{margin-bottom:0;padding:22px 12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.02)}
 .value-item.bridging{grid-column:1/-1;justify-self:center;width:50%;min-width:220px}
 .value-item:not(:last-child)::after{display:none}
 .nav{display:none}
 .mobile-menu{display:block;position:relative}
 .mobile-menu summary{width:42px;height:42px;border:1px solid rgba(11,42,87,.18);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;list-style:none;cursor:pointer}
 .mobile-menu summary::-webkit-details-marker{display:none}
 .mobile-menu summary span{display:block;width:18px;height:2px;background:var(--text)}
 .mobile-menu nav{position:absolute;right:0;top:52px;width:230px;background:#fff;border:1px solid #e5e1d8;box-shadow:0 12px 28px rgba(0,0,0,.12);padding:10px 0}
 .mobile-menu nav a{display:block;padding:12px 18px;color:var(--text);text-decoration:none;font-size:14px;letter-spacing:.04em}
 .mobile-menu nav a:not(:last-child){border-bottom:1px solid #eee}
 .brand img{height:40px}
 .service-list h3,.approach-step h3{word-break:keep-all;line-break:strict;overflow-wrap:normal}
 .company th{width:96px;padding:20px 12px}
 .company td{padding:20px 14px}
 .contact p{max-width:520px}
 .contact .cta{text-align:center}
}

@media(max-width:520px){
 .site-header{height:72px}
 section[id],.about-col[id],.services-col[id],.approach-col[id],.card[id]{scroll-margin-top:80px}
 .hero{height:392px;background-position:34% 58%}
 .hero .content{padding:38px 0 0 14px;max-width:calc(100% - 28px)}
 .hero h1{font-size:34px}
 .hero p{font-size:15px;line-height:1.85;max-width:82%;text-shadow:0 1px 12px rgba(255,255,255,.9)}
 .values .row{grid-template-columns:1fr 1fr}
 .value-item{padding:18px 8px}
 .value-item img{height:48px;margin-bottom:10px}
 .value-item.bridging{grid-column:1/-1;width:50%;min-width:176px}
 .value-item.bridging img{height:58px}
 .value-item h3{font-size:16px}
 .value-item p{font-size:12px;line-height:1.5}
 .service-list article{padding:12px 10px;gap:10px;align-items:flex-start}
 .service-list img{width:30px;height:30px;flex:0 0 30px;margin-top:2px}
 .service-list h3{font-size:15px;line-height:1.5}
 .service-list p{font-size:12px}
 .approach-step{grid-template-columns:40px 64px 1fr;gap:12px}
 .approach-step .icon-wrap{width:64px;height:64px}
 .approach-step img{width:34px;height:34px}
 .approach-step h3{font-size:17px}
 .timeline li{grid-template-columns:1fr;row-gap:2px}
 .timeline .year{font-weight:600}
 .meta{grid-template-columns:1fr}
 .company th{width:82px;padding:18px 10px}
 .company td{padding:18px 12px}
 .contact{padding-top:34px}
 .contact .title{text-align:center}
 .contact .title h2:after{margin-left:auto;margin-right:auto}
 .contact p{max-width:320px;margin-left:auto;margin-right:auto;line-height:1.9}
 .contact-copy-pc{display:none}
 .contact-copy-sp{display:block;text-align:center}
 .contact .email{font-size:16px;border-left:none;border-right:none}
 .contact .cta{text-align:center}
 .contact .cta a{padding:20px 32px;min-width:220px;text-align:center}
 .footer-copy{margin-top:20px;font-size:11px}
}

/* Contact copy display control: prevent PC/SP copies from showing at the same time */
.contact .contact-copy-pc{display:block !important}
.contact .contact-copy-sp{display:none !important}

@media(max-width:900px){
 .contact .contact-copy-pc{display:none !important}
 .contact .contact-copy-sp{display:block !important;text-align:center}
}