/* ResoArc v4 formal corporate style: Noto Serif JP + navy */
/* ResoArc corporate system • 2026-10-15 */



:root{--bg:#fff;--warm:#f5f7f9;--warm2:#ebf0f5;--ink:#1b304a;--black:#182b43;--deep:#18304c;--dark:#13283e;--jade:#285273;--line:#d5dee8;--muted:#506579;--gray:#6d8092;--mint:#99b3d0;--body:"Reso Zen","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;--latin:"Manrope",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:94px}body{margin:0;min-width:320px;font:400 15px/1.95 var(--body);letter-spacing:.015em;background:var(--bg);color:var(--ink)}a{color:inherit}a:focus-visible,summary:focus-visible{outline:3px solid var(--jade);outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:700;line-height:1.48}p{color:var(--muted)}img,svg{display:block;max-width:100%}.container{width:min(calc(100% - 96px),1248px);margin:0 auto}.skip-link{position:fixed;left:12px;top:-80px;background:#fff;color:#000;padding:9px 18px;z-index:1000}.skip-link:focus{top:8px}
/* Always visible navigation */
.site-header{background:rgba(255,255,255,.98);border-bottom:1px solid #e0e6ed;position:sticky;top:0;z-index:50;box-shadow:0 1px 0 rgba(10,25,20,.025)}.header-inner{height:86px;display:flex;align-items:center;gap:38px}.brand{flex-shrink:0;display:flex;align-items:center;gap:13px;text-decoration:none}.brand svg{width:43px;height:43px}.wordmark strong{display:block;font-family:var(--latin);font-size:28px;font-weight:800;letter-spacing:-.055em;line-height:1;color:#18304c}.wordmark small{display:block;font-family:var(--latin);font-size:7.8px;font-weight:700;letter-spacing:.115em;color:#667c8f;line-height:1.8;margin-top:4px}.desktop-nav{display:flex;gap:clamp(17px,2.4vw,39px);align-items:stretch;margin-left:auto;height:100%}.desktop-nav a{position:relative;text-decoration:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;white-space:nowrap;font-size:13px;font-weight:700;transition:color .2s}.desktop-nav a small{font:600 10px/1.2 var(--latin);letter-spacing:.03em;color:#8d9c97}.desktop-nav a:after{content:"";height:3px;background:var(--jade);position:absolute;left:0;right:0;bottom:0;opacity:0;transform:scaleX(.4);transition:opacity .2s,transform .2s}.desktop-nav a:hover,.desktop-nav a.is-active{color:var(--jade)}.desktop-nav a:hover:after,.desktop-nav a.is-active:after{opacity:1;transform:scaleX(1)}.nav-action{display:flex;align-items:center;gap:16px;background:var(--deep);color:#fff;padding:15px 21px;text-decoration:none;font-weight:700;font-size:12px;white-space:nowrap;min-height:46px;transition:background .2s}.nav-action b{color:#b5cee5;font:800 20px/1 var(--latin)}.nav-action:hover{background:var(--jade)}.mobile-menu{display:none}
/* Buttons */
.btn{display:inline-flex;justify-content:space-between;align-items:center;gap:22px;min-height:58px;padding:0 23px;min-width:220px;border:1px solid var(--deep);text-decoration:none;font-size:13px;font-weight:700;transition:background .2s,color .2s,transform .2s}.btn:hover{transform:translateY(-2px)}.btn .btn-arrow{font:700 20px/1 var(--latin)}.btn-primary{background:var(--deep);color:#fff}.btn-primary .btn-arrow{color:#cad9e9}.btn-primary:hover{background:var(--jade)}.btn-secondary{background:transparent;color:var(--deep);border-color:#a3b4c5}.btn-secondary:hover{background:#edf1f6}.btn-light{border-color:#7999b8;color:#fff;background:#fff0}.btn-light .btn-arrow{color:#adc4dd}.btn-light:hover{background:#234461}.btn-inverse{background:#fff;color:var(--ink);border-color:#fff}.btn-inverse:hover{background:#e7f1eb}.inline-link{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;margin-top:28px;border-bottom:1px solid var(--jade);padding:0 3px 11px 0;text-decoration:none;font-size:13px;font-weight:700;min-width:215px}.inline-link>span:last-child{font:700 20px var(--latin);color:var(--jade)}.inline-link:hover{color:var(--jade)}
/* Main visual: editorial left + photography right */
.hero{display:grid;grid-template-columns:minmax(0,49%) minmax(0,51%);min-height:660px;background:var(--warm)}.hero-copy{display:flex;justify-content:flex-end;align-items:center;padding:50px clamp(34px,4.2vw,76px) 44px max(48px,calc((100vw - 1248px)/2));min-width:0}.hero-copy-inner{width:100%;max-width:610px}.hero-topline{font:750 11px/1.6 var(--latin);letter-spacing:.115em;color:#41665e;display:flex;align-items:center;gap:12px}.little-square{display:inline-block;width:9px;height:9px;background:var(--jade);flex-shrink:0}.hero h1{font-size:clamp(40px,4.45vw,71px);line-height:1.42;letter-spacing:.038em;margin:45px 0 25px;white-space:nowrap;color:#1c3752}.hero h1 .period{color:#2b5c85}.hero-sub{font-size:15px;line-height:2.25;letter-spacing:.028em;color:#576d80;max-width:650px}.hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:37px}.hero-footnote{color:#728397;font:750 10px/1.7 var(--latin);letter-spacing:.055em;margin-top:55px}.hero-footnote span{color:#bec9d5;padding:0 5px}.hero-visual{position:relative;overflow:hidden;min-height:650px;background:#b5c1c1}.hero-visual>img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center center;filter:saturate(.56) contrast(1.05)}.hero-visual-shade{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(12,28,32,.06) 32%,rgba(7,27,35,.61) 100%)}.visual-badge{position:absolute;left:48px;bottom:63px;color:#fff}.index-label{font:700 11px var(--latin);letter-spacing:.14em;color:#c6e9df}.visual-badge strong{display:block;font:750 clamp(39px,4.5vw,73px)/1.17 var(--latin);letter-spacing:-.06em;margin-top:15px}.visual-line{display:block;width:75px;height:3px;background:var(--mint);margin-top:22px}.visual-mark{position:absolute;right:31px;top:28px;color:#f9faf8;font:700 11px var(--latin);letter-spacing:.12em;display:flex;gap:19px}
/* Clear wayfinding */
.quick-nav{background:#fff;border-block:1px solid #e0e6ed}.quick-grid{display:grid;grid-template-columns:1fr repeat(3,1.4fr);min-height:138px;align-items:stretch}.quick-intro{display:flex;flex-direction:column;justify-content:center;font:800 11px/1.65 var(--latin);letter-spacing:.12em;color:var(--jade)}.quick-intro small{font:700 11px var(--body);letter-spacing:0;color:#8a9991}.quick-grid>a{display:grid;grid-template-columns:40px 1fr 18px;gap:10px;align-items:center;text-decoration:none;border-left:1px solid #e2e7e2;padding:21px 18px;transition:background .2s}.quick-grid>a:hover{background:#edf2f8}.quick-grid>a b{font:750 19px var(--latin);color:var(--jade)}.quick-grid>a strong{display:block;font-size:15px;line-height:1.5}.quick-grid>a small{display:block;font-size:11px;color:#80928b;margin-top:7px}.quick-grid>a i{font:500 21px var(--latin);color:var(--jade);font-style:normal}
/* Content layout */
.section{padding:118px 0}.kicker{display:flex;align-items:center;gap:13px;white-space:nowrap}.kicker-no{font:750 21px var(--latin);color:var(--jade);letter-spacing:-.03em}.kicker-en{font:800 11px var(--latin);letter-spacing:.12em}.kicker-jp{font:700 11px var(--body);color:#788da3;border-left:1px solid #c9d4df;padding-left:12px}.vision-grid{display:grid;grid-template-columns:31% 1fr;gap:5%}.section-rail{display:flex;flex-direction:column;justify-content:space-between}.rail-figure{font:700 155px/1 var(--latin);letter-spacing:-.09em;color:#edf1f6}.rail-figure span{color:#bccddd}.vision-content{max-width:755px}.vision-content h2,.section-heading h2,.quality-summary h2{font-size:clamp(34px,3.6vw,53px);line-height:1.55;letter-spacing:.045em}.vision-content h2 em{font-style:normal;color:var(--jade)}.vision-content .section-lead,.split .section-lead{font-size:20px;font-weight:700;color:var(--ink);margin:32px 0 25px;line-height:1.85}.vision-content>p:not(.section-lead){line-height:2.25;margin:0 0 18px;max-width:700px}
.areas-section{background:var(--warm)}.section-heading-row{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-top:36px;margin-bottom:42px}.section-heading-row p{max-width:355px;line-height:2.05;font-size:14px}.area-list{border-top:1px solid #b7c6d6}.area-item{display:grid;grid-template-columns:50px minmax(210px,1fr) minmax(195px,1.1fr) 74px 23px;gap:20px;align-items:center;border-bottom:1px solid #ccd7e3;padding:28px 10px;text-decoration:none;transition:background .2s}.area-item:not(.static):hover{background:#e8eef5}.area-no{color:var(--jade);font:700 20px var(--latin)}.area-title small{color:var(--jade);font:800 10px var(--latin);letter-spacing:.08em;display:block;margin-bottom:9px}.area-title strong{font-size:20px;font-weight:700;line-height:1.45}.area-detail{font-size:13px;color:#63778d;line-height:1.85}.area-status{font-size:11px;font-weight:700;color:#6c8195}.area-arrow{font:700 20px var(--latin);color:var(--jade)}.area-item.static{cursor:default}.list-note{display:flex;justify-content:space-between;align-items:center;margin-top:26px;gap:20px}.list-note>span{font-size:12px;color:#6b7e91}.list-note .inline-link{margin:0}
.quality-section{background:var(--dark);color:#fff}.quality-grid{display:grid;grid-template-columns:1fr 1.04fr;gap:clamp(40px,8vw,130px)}.quality-section .kicker{color:#fff}.quality-section .kicker-no{color:var(--mint)}.quality-section .kicker-jp{color:#a9bdd1;border-color:#65809b}.quality-summary h2{margin:40px 0 27px}.quality-summary p{line-height:2.25;color:#b6c9dc;max-width:500px}.quality-summary .btn{margin-top:36px}.principles-list{border-top:1px solid #526a83}.principles-list>div{padding:28px 0 26px;border-bottom:1px solid #526a83}.principles-list span{color:#9db9d4;font:800 11px var(--latin);letter-spacing:.09em}.principles-list strong{display:block;font-size:21px;margin:8px 0}.principles-list p{color:#b9d0ca;font-size:13px}
.updates-grid{display:grid;grid-template-columns:30% 1fr;gap:5%;margin-top:39px}.updates-grid h2{font:750 42px var(--latin);letter-spacing:-.06em}.updates-grid h2 span{color:var(--jade)}.updates-grid>div:first-child>p{font-size:13px}.updates-items{border-top:1px solid #cdd8d0}.update-row{display:grid;grid-template-columns:100px 80px 1fr;gap:15px;padding:27px 0;border-bottom:1px solid #cdd8d0;align-items:center}.update-row time{font:700 12px var(--latin)}.update-row>span{font:800 10px var(--latin);color:var(--jade)}.update-row strong{font-size:14px;font-weight:700}.no-more{font-size:12px;padding-top:18px;color:#7a8ea1}
.closing{padding:64px 0;background:#e7edf4}.closing-grid{display:flex;gap:35px;justify-content:space-between;align-items:center}.closing-grid>div>span{color:var(--jade);font:800 11px var(--latin);letter-spacing:.12em}.closing h2{font-size:clamp(27px,3vw,41px);margin:10px 0}.closing p{font-size:13px}.closing .btn{min-width:240px}
/* Secondary pages */
.inside-hero{background:#eef3ee;position:relative;overflow:hidden;padding:99px 0 110px;min-height:385px}.inside-hero:after{position:absolute;content:"";width:490px;height:490px;border:1px solid #d7e1ec;border-radius:50%;right:-120px;top:-190px;pointer-events:none}.inside-hero:before{position:absolute;content:"";width:390px;height:390px;border:1px solid #c5d4e4;border-radius:50%;right:-70px;top:-140px;pointer-events:none}.inside-hero-inner{position:relative;z-index:1}.inside-hero h1{font-size:clamp(34px,4.5vw,63px);line-height:1.5;margin:26px 0 15px}.inside-hero p{font-size:15px;max-width:745px}.inside-watermark{position:absolute;bottom:-35px;right:35px;font:800 clamp(80px,12vw,150px) var(--latin);letter-spacing:-.07em;color:rgba(23,74,65,.05);white-space:nowrap}
.inner-section{padding:90px 0 105px}.split{display:grid;grid-template-columns:31% 1fr;gap:5%}.split>div:last-child{max-width:790px}.split h2{font-size:clamp(29px,3.5vw,48px);margin-bottom:28px}.split p{margin:0 0 20px;line-height:2.2}.detail-band{background:var(--warm)}.definition-list{margin-top:35px;border-top:1px solid #ccd9e5}.definition-list>div{display:grid;grid-template-columns:200px 1fr;gap:20px;border-bottom:1px solid #ccd9e5;padding:21px 12px}.definition-list dt{font-weight:700;font-size:14px}.definition-list dd{margin:0;color:#546c64;font-size:14px}.notice{background:#eff3f8;padding:20px 24px;border-left:3px solid var(--jade);display:flex;gap:20px;margin:28px 0 35px}.notice strong{font-weight:700;font-size:13px;white-space:nowrap}.notice span{font-size:12px;color:#5b7088}.policy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:36px}.policy-grid article{border:1px solid #d9e1ea;padding:36px 35px;min-height:232px;background:#fff}.policy-meta{display:flex;gap:13px;align-items:center;font:800 11px var(--latin);color:var(--jade)}.policy-meta>span:first-child{font-size:20px}.policy-grid h2{font-size:22px;margin:17px 0}.policy-grid p{font-size:13px;line-height:2.2}.legal{max-width:820px}.legal .updated{font-size:12px;color:#81958a;margin-bottom:35px}.legal section{margin-bottom:34px}.legal h2{font-size:21px;padding-left:15px;border-left:3px solid var(--jade);margin-bottom:16px}.legal p{font-size:15px;line-height:2.2}
/* Footer */
.footer{background:#13283e;color:#e7eee9;padding:70px 0 23px}.footer-top{display:grid;grid-template-columns:1fr 1fr;gap:70px}.footer-brand{display:flex;gap:16px;align-items:flex-start}.footer-brand svg{width:48px;height:48px}.footer-brand strong{font:800 36px var(--latin);letter-spacing:-.06em;line-height:1}.footer-brand small{display:block;color:#94b2a8;font:750 10px var(--latin);letter-spacing:.09em;margin:5px 0 19px}.footer-brand p{color:#d9e4de;font-size:16px;font-weight:700}.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:35px}.footer-nav>div{display:flex;flex-direction:column;align-items:flex-start;gap:13px}.footer-nav b{font:750 11px var(--latin);letter-spacing:.11em;color:#9bc4b9;margin-bottom:12px}.footer-nav a{text-decoration:none;font-size:13px}.footer-nav a:hover{color:#c0d6e8}.footer-bottom{margin-top:72px;border-top:1px solid #31475f;padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#a7b9ca;font-size:11px}
@media(max-width:1200px){.container{width:min(calc(100% - 64px),1248px)}.header-inner{gap:22px}.desktop-nav{gap:17px}.desktop-nav a{font-size:12px}.nav-action{padding:13px 15px}.hero-copy{padding-left:max(32px,calc((100vw - 1248px)/2));padding-right:35px}.hero h1{font-size:clamp(40px,4.4vw,66px)}.hero-buttons .btn{min-width:175px;padding:0 15px}.quick-grid{grid-template-columns:.85fr repeat(3,1.3fr)}.quick-grid>a{grid-template-columns:27px 1fr 14px;padding:19px 12px;gap:8px}.area-item{grid-template-columns:42px minmax(200px,1fr) minmax(170px,1fr) 65px 18px;gap:9px}}
@media(max-width:920px){.header-inner{height:76px}.wordmark strong{font-size:25px}.nav-action{display:none}.desktop-nav{gap:16px}.desktop-nav a small{display:none}.hero{grid-template-columns:1fr 1fr}.hero-copy{padding-left:32px}.hero h1{font-size:clamp(35px,4.65vw,51px)}.hero-sub{font-size:13px}.hero-buttons .btn{min-width:175px;min-height:52px}.hero-footnote{margin-top:33px;font-size:9px}.quick-grid{grid-template-columns:1fr repeat(3,1.4fr)}.quick-intro{font-size:10px}.quick-intro small{font-size:10px}.quick-grid>a{grid-template-columns:23px 1fr}.quick-grid>a i{display:none}.quick-grid>a strong{font-size:13px}.quick-grid>a small{font-size:10px}.vision-grid,.split{grid-template-columns:26% 1fr}.area-item{grid-template-columns:40px 1fr 1fr 17px}.area-status{display:none}.section-heading-row p{max-width:270px}.quality-grid{gap:40px}}
@media(max-width:700px){html{scroll-padding-top:76px}.container{width:calc(100% - 40px)}.site-header{position:sticky}.header-inner{height:73px;gap:8px}.brand svg{width:39px;height:39px}.wordmark strong{font-size:24px}.wordmark small{font-size:7px;letter-spacing:.1em}.desktop-nav,.nav-action{display:none}.mobile-menu{display:block;margin-left:auto;align-self:stretch}.mobile-menu summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:10px;height:100%;font:800 11px var(--latin);letter-spacing:.12em}.mobile-menu summary::-webkit-details-marker{display:none}.menu-bars{display:flex;flex-direction:column;gap:5px;justify-content:center;width:22px}.menu-bars i{display:block;width:22px;height:2px;background:var(--ink);transition:transform .2s}.mobile-menu[open] .menu-bars i:first-child{transform:translateY(3.5px) rotate(45deg)}.mobile-menu[open] .menu-bars i:last-child{transform:translateY(-3.5px) rotate(-45deg)}.mobile-panel{position:absolute;top:100%;left:0;right:0;display:flex;flex-direction:column;background:#fff;border-top:1px solid var(--line);box-shadow:0 17px 30px rgba(7,25,22,.16);padding:7px 20px 16px}.mobile-panel a{padding:14px 3px;border-bottom:1px solid var(--line);text-decoration:none;display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:700}.mobile-panel a small{color:#889b92;font:700 10px var(--latin)}.mobile-panel a.is-active{color:var(--jade)}
.hero{display:flex;flex-direction:column}.hero-copy{padding:54px 20px 46px;justify-content:center}.hero-copy-inner{max-width:620px}.hero-topline{font-size:9px}.hero h1{font-size:clamp(36px,8.45vw,60px);margin:27px 0 22px}.hero-sub{font-size:13px;line-height:2.15}.hero-buttons{gap:10px;margin-top:25px}.hero-buttons .btn{flex:1;min-width:0;min-height:52px;font-size:11px;padding:0 13px;gap:6px}.hero-buttons .btn-arrow{font-size:16px}.hero-footnote{font-size:9px;margin-top:28px}.hero-visual{min-height:300px;height:clamp(300px,68vw,470px)}.hero-visual>img{object-position:center 41%}.visual-badge{left:23px;bottom:31px}.visual-badge strong{font-size:40px}.visual-mark{right:19px;top:18px;font-size:9px}.visual-line{margin-top:12px}.quick-nav{padding:4px 0}.quick-grid{display:grid;grid-template-columns:1fr;min-height:0}.quick-intro{padding:16px 0 9px;font-size:10px}.quick-intro small{display:inline;font-size:11px}.quick-grid>a{grid-template-columns:39px 1fr 20px;padding:14px 2px;border-left:0;border-top:1px solid #dbe4ed}.quick-grid>a i{display:block}.quick-grid>a strong{font-size:14px}.quick-grid>a small{font-size:10px;margin-top:2px}.section{padding:70px 0}.kicker{gap:10px}.kicker-no{font-size:18px}.kicker-en{font-size:10px}.kicker-jp{font-size:10px}.vision-grid,.quality-grid,.split{grid-template-columns:1fr;gap:25px}.rail-figure{display:none}.vision-content h2,.section-heading h2,.quality-summary h2{font-size:clamp(31px,7.5vw,45px)}.vision-content .section-lead,.split .section-lead{font-size:17px;margin:24px 0}.vision-content>p:not(.section-lead){font-size:13px;line-height:2.3}.section-heading-row{display:block;margin:27px 0 24px}.section-heading-row p{margin-top:18px;max-width:initial}.area-item{grid-template-columns:31px 1fr 22px;gap:6px 12px;padding:21px 2px}.area-title strong{font-size:17px}.area-title small{font-size:9px}.area-detail{grid-column:2;font-size:12px}.area-arrow{grid-column:3;grid-row:1 / span 2}.list-note{display:block}.list-note>span{display:block;font-size:11px}.list-note .inline-link{margin-top:15px}.quality-summary h2{margin:20px 0}.quality-summary p{font-size:13px}.quality-summary .btn{margin-top:23px}.principles-list>div{padding:20px 0}.principles-list strong{font-size:18px}.updates-grid{grid-template-columns:1fr;gap:22px}.updates-grid h2{font-size:34px}.update-row{grid-template-columns:90px 70px 1fr;gap:8px;padding:18px 0}.update-row strong{grid-column:1/-1;font-size:13px}.closing{padding:44px 0}.closing-grid{display:block}.closing h2{font-size:29px}.closing .btn{margin-top:24px}.inside-hero{padding:72px 0 81px;min-height:0}.inside-hero h1{font-size:36px}.inside-hero p{font-size:13px}.inside-watermark{font-size:74px;right:15px;bottom:-18px}.inner-section{padding:68px 0}.split h2{font-size:30px}.definition-list>div{display:block;padding:16px 0}.definition-list dt{font-size:13px}.definition-list dd{margin-top:6px;font-size:12px}.policy-grid{grid-template-columns:1fr}.policy-grid article{padding:25px;min-height:0}.policy-grid h2{font-size:19px}.notice{display:block;padding:18px 19px}.notice strong{display:block;margin-bottom:10px}.notice span{font-size:12px}.footer{padding:52px 0 22px}.footer-top{grid-template-columns:1fr;gap:38px}.footer-brand strong{font-size:30px}.footer-brand p{font-size:14px}.footer-nav{gap:20px}.footer-nav a{font-size:12px}.footer-bottom{display:block;margin-top:46px}.footer-bottom>span{display:block;margin-bottom:9px;line-height:1.8}.legal h2{font-size:19px}.legal p{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:0s!important;animation:none!important}}


/* v4: institutional design language, intentionally restrained */
@font-face{font-family:"Noto Serif JP";src:url("/assets/fonts/noto-serif-jp-v5.woff2") format("woff2");font-weight:400 900;font-display:swap;font-style:normal}
:root{
--bg:#ffffff;--warm:#f5f7fa;--warm2:#eef2f7;--ink:#1a304a;--black:#14283f;
--deep:#182f4b;--dark:#10243c;--jade:#315e87;--line:#d6dfe9;--muted:#51667d;
--gray:#71859a;--mint:#a6bfd9;--body:"Noto Serif JP","Yu Mincho","Hiragino Mincho ProN",serif;
--latin:"Noto Serif JP",Georgia,serif
}
body{font-family:var(--body);font-weight:400;line-height:2.0;letter-spacing:.025em}
h1,h2,h3{font-family:var(--body);font-weight:700;line-height:1.55;letter-spacing:.045em}
.site-header{border-bottom:1px solid #cdd8e3;background:#ffffff;box-shadow:0 2px 8px rgba(20,44,70,.035)}
.header-inner{height:92px}
.wordmark strong{font-family:var(--latin);font-size:25px;font-weight:700;letter-spacing:.015em;color:var(--deep)}
.wordmark small{font-family:var(--latin);letter-spacing:.025em;font-size:8px;color:#58718c}
.desktop-nav a{font-family:var(--body);font-weight:700;font-size:13px;color:#233951}
.desktop-nav a small{font-family:var(--latin);font-size:9px;letter-spacing:.05em;color:#788a9b}
.desktop-nav a.is-active,.desktop-nav a:hover{color:#315e87}
.desktop-nav a:after{height:2px}
.nav-action{font-family:var(--body);background:#18304c;padding:14px 19px}
.nav-action b{color:#ffffff}
.mobile-panel{font-family:var(--body)}
.hero{background:#f5f7fa;grid-template-columns:minmax(0,49%) minmax(0,51%);min-height:670px;border-bottom:1px solid #d3dee8}
.hero-copy{border-right:1px solid #dde5ee}
.hero h1{font-size:clamp(40px,4.05vw,64px);font-weight:700;line-height:1.5;color:#17334e;letter-spacing:.06em;white-space:nowrap;margin:42px 0 24px}
.hero h1 .period{color:#17334e}
.hero-sub{color:#475f76;font-size:14px;line-height:2.45}
.hero-topline{color:#345c85;font-family:var(--latin);font-size:10px;font-weight:600;letter-spacing:.12em}
.little-square{background:#2b5277;width:7px;height:7px}
.hero-footnote{font-family:var(--latin);color:#718297;font-size:9px;letter-spacing:.02em}
.hero-buttons .btn{font-size:12px}
.btn{font-family:var(--body);font-weight:700;border-radius:0;box-shadow:none;transition:background .15s,color .15s}
.btn:hover{transform:none}
.btn-primary{background:#18304c;border-color:#18304c}
.btn-primary .btn-arrow{color:#fff}
.btn-secondary{background:#fff;border-color:#8ea6bd;color:#18304c}
.btn-secondary:hover{background:#e8eef5}
.hero-visual>img{filter:grayscale(.48) contrast(1.09) saturate(.65)}
.hero-visual-shade{background:linear-gradient(180deg,rgba(13,32,58,.18),rgba(12,32,59,.20) 45%,rgba(8,28,54,.83) 100%),linear-gradient(90deg,rgba(22,55,92,.12),rgba(10,34,62,.32))}
.visual-badge strong{font-family:var(--latin);font-weight:700;font-size:clamp(22px,2.4vw,36px);letter-spacing:.035em;line-height:1.6;text-transform:uppercase}
.visual-badge .index-label,.visual-mark{font-family:var(--latin);font-size:10px;letter-spacing:.08em;color:#e3edf7}
.visual-line{background:#a5bdd9;height:2px;width:82px}
.quick-nav{background:#f9fafb;border-bottom:1px solid #d4dfea}
.quick-grid>a{border-left:1px solid #dae2ec}
.quick-grid>a:hover{background:#edf2f7}
.quick-intro{color:#315e87}
.quick-grid>a b,.quick-grid>a i{color:#315e87}
.quick-grid>a strong{font-weight:700}
.quick-grid>a small{color:#657e95}
.kicker-no{font-family:var(--latin);color:#315e87}
.kicker-en,.kicker-jp{font-family:var(--body)}
.kicker-en{font-weight:700;letter-spacing:.07em}
.section{padding:104px 0}
.vision-content h2,.section-heading h2,.quality-summary h2{font-weight:700;letter-spacing:.06em}
.vision-content h2 em{font-style:normal;color:#315e87}
.rail-figure{font-family:var(--latin);font-weight:400;color:#edf1f6}
.rail-figure span{color:#c8d5e4}
.areas-section{background:#f4f7fa}
.area-list{border-top-color:#bbcbdc}
.area-item{border-bottom-color:#cbd8e5}
.area-title small{font-family:var(--latin);color:#3a638b}
.area-item:not(.static):hover{background:#eaf0f7}
.area-status{color:#748ba1}
.area-detail{color:#576d82}
.area-no,.area-arrow{color:#315e87}
.quality-section{background:#13283f}
.quality-section .kicker-no{color:#a9c5e1}
.quality-section .kicker-jp{color:#c7d6e8;border-color:#54728e}
.quality-summary p,.principles-list p{color:#c8d6e5}
.principles-list{border-color:#536d85}
.principles-list>div{border-color:#536d85}
.principles-list span{color:#b1cbe6}
.btn-light{border-color:#9ab5ce}
.btn-light .btn-arrow{color:#d9e4f0}
.updates-grid h2{font-family:var(--latin);font-weight:700}
.updates-grid h2 span{color:#315e87}
.update-row{border-color:#d0dae5}
.update-row>span{color:#315e87}
.closing{background:#e9eef5}
.closing-grid>div>span{color:#315e87}
.inside-hero{background:#edf2f7}
.inside-hero:before,.inside-hero:after{border-color:#d6e0eb}
.inside-hero h1{font-weight:700}
.inside-watermark{font-family:var(--latin);color:rgba(29,61,96,.07)}
.detail-band{background:#f4f7fa}
.policy-meta{font-family:var(--latin);color:#315e87}
.policy-grid article{border-color:#d6e0eb}
.notice{background:#eef3f8;border-color:#315e87}
.inline-link,.text-link{border-color:#7598bb}
.inline-link>span:last-child{color:#315e87}
.footer{background:#11263c}
.footer-brand strong{font-family:var(--latin);font-size:30px;font-weight:700;letter-spacing:.01em}
.footer-brand small,.footer-nav b{font-family:var(--latin);color:#a8bed4}
.footer-brand p{color:#e4edf6}
.footer-nav a:hover{color:#d5e5f7}
.footer-bottom{border-color:#405a73;color:#aec0d1}
@media(max-width:920px){
.hero h1{font-size:clamp(33px,4.25vw,50px)}
.hero-sub{font-size:12px;line-height:2.3}
}
@media(max-width:700px){
.header-inner{height:76px}.wordmark strong{font-size:22px}.mobile-menu summary{font-family:var(--latin)}
.hero{display:flex;flex-direction:column}.hero-copy{border-right:0;border-bottom:1px solid #d7e2eb;padding:52px 20px 43px}
.hero h1{font-size:clamp(32px,7.9vw,52px);white-space:normal;margin:27px 0 20px}
.hero-sub{font-size:12px}
.hero-visual{height:clamp(300px,68vw,450px)}
.visual-badge strong{font-size:24px}
.quick-grid>a{border-left:0;border-top:1px solid #dce4ef}
.section{padding:68px 0}
.vision-content h2,.section-heading h2,.quality-summary h2{font-size:clamp(29px,7.2vw,42px)}
.footer-brand strong{font-size:27px}
}


/* ResoArc v5: functional tools, documentation, release pages */
.document-section{border-top:1px solid var(--line);padding:27px 0 30px;scroll-margin-top:110px}
.document-section h2{font-size:clamp(18px,2vw,24px);margin-bottom:16px}
.document-section p,.document-section li{font-size:14px;line-height:2.3;color:var(--muted)}
.document-section p+p{margin-top:15px}
.document-section ol,.document-section ul{padding-left:24px;margin:9px 0}
.document-section a,.document-content a{color:#285d8a;text-decoration-thickness:1px;text-underline-offset:4px}
.document-content{margin-top:25px}.reading-width{max-width:900px}
.reading-width>.kicker{margin-bottom:30px}
.reading-width>h2{font-size:28px;margin-bottom:18px}
.reading-width>p{font-size:14px;line-height:2.35;margin-bottom:17px}
.muted-band{background:#f2f5f9}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:37px}
.product-card{position:relative;padding:44px 39px 35px;background:#fff;border:1px solid #cfdce8;min-height:430px;display:flex;flex-direction:column;transition:border-color .15s}
.product-card:hover{border-color:#7b9ab7}
.product-meta{display:flex;justify-content:space-between;gap:15px;font:700 11px var(--latin);letter-spacing:.07em;color:#365d82}
.product-index{font:500 74px/1 var(--latin);color:#d9e5ef;margin:26px 0 8px}
.product-card h2{font-size:24px;margin-bottom:16px}
.product-card p{font-size:13px;line-height:2.3;max-width:490px}
.product-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}
.product-tags span{border:1px solid #d8e3ec;padding:3px 9px;color:#476783;font-size:11px}
.product-cta{text-decoration:none;border-top:1px solid #d3dfe9;display:flex;justify-content:space-between;padding-top:17px;margin-top:auto;font-size:14px;font-weight:700}
.product-cta span{font-size:22px;color:#315e87;line-height:1}
.article-strip{border-top:1px solid #cad9e7;display:flex;gap:30px;justify-content:space-between;align-items:end;margin-top:44px;padding-top:28px}
.article-strip strong{display:block;font-size:17px;margin-bottom:10px}.article-strip p{font-size:13px;max-width:670px}.article-strip .inline-link{flex-shrink:0}
.tool-shell{padding:76px 0 110px}
.tool-columns{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(260px,.8fr);gap:44px;align-items:start}
.tool-form{border:1px solid #cfdae7;padding:40px 40px 44px;background:#fff;min-width:0}
.tool-head{margin-bottom:30px}
.version-label{font:700 11px var(--latin);color:#426c93;letter-spacing:.04em}
.tool-head h2{font-size:26px;margin:12px 0}.tool-head p{font-size:13px}
.file-drop{display:flex;align-items:center;flex-direction:column;justify-content:center;gap:9px;text-align:center;border:1px dashed #869db6;background:#f6f8fb;padding:37px 24px;min-height:165px;cursor:pointer;transition:background .15s,border-color .15s;position:relative}
.file-drop.drag,.file-drop:hover{background:#eaf0f7;border-color:#365c82}
.file-drop .file-symbol{font:400 31px/1 var(--latin);color:#315e87}
.file-drop strong{font-size:15px;font-weight:700;overflow-wrap:anywhere}
.file-drop>span:last-of-type{font-size:11px;color:#71849a}
.file-drop input[type=file]{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.file-drop:focus-visible{outline:3px solid #315e87;outline-offset:3px}
.field-label{font-size:13px;font-weight:700;display:block;margin-top:23px;margin-bottom:9px}
.field-input{font:400 14px var(--body);background:#fff;border:1px solid #bacbdc;padding:13px 14px;width:100%;color:var(--ink);border-radius:0;min-height:48px}
.field-input:focus-visible{outline:2px solid #315e87;outline-offset:2px}
.input-row{display:grid;grid-template-columns:1fr 1fr;gap:17px}
.tool-actions{display:flex;align-items:center;gap:12px;margin-top:27px;flex-wrap:wrap}
.tool-button,.tool-button-sub{font:700 13px var(--body);min-height:48px;border-radius:0;cursor:pointer}
.tool-button{color:#fff;background:#18304c;border:1px solid #18304c;padding:10px 20px;display:inline-flex;gap:24px;align-items:center;justify-content:space-between}
.tool-button span{font-size:20px;font-family:var(--latin)}
.tool-button:hover:not(:disabled){background:#315e87}
.tool-button:disabled,.tool-button-sub:disabled{opacity:.45;cursor:not-allowed}
.tool-button-sub{border:1px solid #a1b5c8;background:#fff;color:#254764;padding:9px 18px}
.tool-button-sub:hover:not(:disabled){background:#eff4f8}
.tool-status{font-size:12px;margin-top:18px;min-height:22px}
.tool-status[data-status=error]{color:#9b3030}.tool-status[data-status=success]{color:#285d58}
.small-note{font-size:12px!important;line-height:2.0!important;color:#6d8193!important}
.result-block{border-top:1px solid #d4e0e8;margin-top:28px;padding-top:20px}
.result-block>label{display:block;font-size:13px;font-weight:700;margin-bottom:10px}
.result-block textarea{display:block;width:100%;resize:none;font:12px/1.9 Consolas,monospace;background:#f4f7fb;color:#1b3a55;border:1px solid #c9d7e3;padding:12px;min-height:76px;overflow-wrap:anywhere}
.result-block button{margin-top:12px}
.result-verdict{font-size:13px;margin-top:15px;display:block;font-weight:700}
.result-verdict[data-kind=success]{color:#2a6b60}
.result-verdict[data-kind=error]{color:#9a3434}
.tool-aside{background:#f4f6f9;padding:31px 27px;border-top:3px solid #315e87}
.tool-aside h3{font-size:19px;padding-bottom:14px;border-bottom:1px solid #d0dce8;margin-bottom:10px}
.tool-aside dl{margin:0}.tool-aside dt{font-weight:700;font-size:12px;margin-top:18px}.tool-aside dd{font-size:12px;line-height:2;color:#597084;margin:5px 0 0}
.tool-aside>p{font-size:12px;margin:25px 0}
.file-source{display:flex;justify-content:space-between;text-decoration:none;color:#2b608a;border-top:1px solid #cddae4;padding:12px 0;font-size:12px;font-weight:700}
.file-source span{font-size:17px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 25px}
.metric{background:#f1f5f9;padding:14px 12px;min-width:0}
.metric span{font-size:11px;color:#667e91;display:block}.metric strong{font-size:14px;display:block;margin-top:5px;overflow-wrap:anywhere}
.result-title{font-size:23px;margin-top:27px;border-top:1px solid #d7e1e9;padding-top:24px}
#csv-output h4{margin:23px 0 10px;font-size:16px}
.issue-list{margin:0;padding:0;list-style:none}.issue{border-left:3px solid #b58a45;background:#fbf7ef;padding:9px 12px;margin:8px 0;font-size:12px;line-height:1.9}.issue.error{border-color:#b64f4f;background:#fdf4f4}.issue.ok{border-color:#3b7d71;background:#f0f8f4}
.table-scroll{overflow:auto;max-width:100%;border:1px solid #d4dfea}.sample-table{border-collapse:collapse;min-width:100%;font-size:12px;table-layout:auto}.sample-table th,.sample-table td{white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid #d9e3eb;padding:8px 11px;text-align:left;min-width:90px;max-width:220px;vertical-align:top}.sample-table th{background:#eff3f8}
.example-code{background:#f2f5f9;border-left:3px solid #315e87;padding:14px;font:12px/1.8 Consolas,monospace;overflow-wrap:anywhere;white-space:pre-wrap}
.release-entry{display:grid;grid-template-columns:200px 1fr;gap:28px;padding:33px 0;border-top:1px solid #cad7e4;border-bottom:1px solid #cad7e4}
.release-entry>div:first-child time{display:block;font-family:var(--latin);font-size:18px;font-weight:700}
.release-entry>div:first-child span{display:inline-block;margin-top:9px;color:#315e87;font-size:12px}
.release-entry h2{font-size:25px;margin-bottom:15px}.release-entry p,.release-entry li{font-size:14px;line-height:2.2}.release-entry ul{padding-left:24px;margin:15px 0}
.error-page{min-height:440px}.error-code{font:600 100px/1 var(--latin);color:#d2dfed}
.error-page h1{font-size:28px;margin:12px 0 18px}.error-page>p{font-size:14px}.error-links{display:flex;gap:19px;flex-wrap:wrap;margin-top:25px}.error-links a{border-bottom:1px solid #315e87;padding-bottom:5px;text-decoration:none;font-size:14px}
@media(max-width:1000px){
  .tool-columns{grid-template-columns:minmax(0,1.5fr) minmax(250px,.8fr);gap:22px}
  .tool-form{padding:29px}
  .article-strip{align-items:start;flex-direction:column}.article-strip .inline-link{margin-top:8px}
}
@media(max-width:700px){
 .product-grid,.tool-columns,.input-row,.metrics{grid-template-columns:1fr}
 .product-card{padding:28px 23px;min-height:350px}
 .product-index{font-size:55px}
 .product-card h2{font-size:21px}
 .tool-shell{padding:44px 0 76px}
 .tool-form{padding:21px 17px}
 .tool-head h2{font-size:22px}
 .file-drop{padding:27px 16px;min-height:145px}
 .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
 .release-entry{grid-template-columns:1fr;gap:10px}
 .document-section h2{font-size:19px}
 .article-strip{margin-top:25px}
}
.example-code{word-break:break-all;white-space:pre-wrap;overflow-wrap:anywhere;max-width:100%;min-width:0}.reading-width{min-width:0}