:root {
  --navy-950: #04152e;
  --navy-900: #071c3b;
  --navy-800: #0a2855;
  --blue-700: #064fbd;
  --blue-600: #0671e8;
  --cyan-400: #11c8e7;
  --ink: #071a36;
  --muted: #5c6a7d;
  --line: #d7e0ea;
  --pale: #eff6fb;
  --white: #fff;
  --max: 1240px;
  --gutter: clamp(20px, 4vw, 64px);
  --section: clamp(88px, 10vw, 150px);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
body.menu-open, body.case-dialog-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; height: auto; }
.shell { width: min(calc(100% - (var(--gutter) * 2)), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 999; top: 12px; left: 12px; padding: 10px 16px; color: #fff; background: var(--blue-700); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--cyan-400); outline-offset: 4px; }

.brand-intro { display: none; }
html.intro-pending, html.intro-running { overflow: hidden; }
html.intro-pending .brand-intro,
html.intro-running .brand-intro { position: fixed; z-index: 1000; inset: 0; display: grid; place-items: center; padding: 32px; color: #fff; background: radial-gradient(circle at 50% 42%, #0a2850 0%, #04152e 54%, #010914 100%); pointer-events: none; }
.brand-intro-inner { width: min(760px, 100%); text-align: center; }
.brand-intro-logo { position: relative; width: clamp(260px, 28vw, 380px); margin: 0 auto 34px; opacity: 0; overflow: hidden; }
.brand-intro-logo img { width: 100%; height: auto; object-fit: contain; }
.brand-intro-logo::after { content: ""; position: absolute; inset: -25% auto -25% -45%; width: 22%; background: linear-gradient(90deg, transparent, rgba(92,224,255,.2), transparent); transform: skewX(-18deg); opacity: 0; }
.brand-intro-title { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(2.25rem, 4.8vw, 4.25rem); line-height: 1.35; letter-spacing: .04em; opacity: 0; transform: translateY(10px); }
.brand-intro-lead { margin: 20px 0 0; color: rgba(255,255,255,.76); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1rem, 1.6vw, 1.3rem); letter-spacing: .1em; opacity: 0; transform: translateY(8px); }
.intro-mobile-break { display: none; }
html.intro-running .brand-intro { animation: intro-exit .75s 4.6s var(--ease) forwards; }
html.intro-running .brand-intro-logo { animation: intro-logo 1.2s .1s var(--ease) forwards; }
html.intro-running .brand-intro-logo::after { animation: intro-sweep .9s 1.05s ease-out forwards; }
html.intro-running .brand-intro-title { animation: intro-copy .9s 1.8s var(--ease) forwards; }
html.intro-running .brand-intro-lead { animation: intro-copy .8s 2.55s var(--ease) forwards; }
@keyframes intro-logo { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
@keyframes intro-sweep { 0% { left: -45%; opacity: 0; } 18% { opacity: 1; } 100% { left: 125%; opacity: 0; } }
@keyframes intro-copy { to { opacity: 1; transform: translateY(0); } }
@keyframes intro-exit { to { opacity: 0; visibility: hidden; } }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; width: 100%; color: #fff; border-bottom: 1px solid rgba(255,255,255,.14); transition: background .35s ease, box-shadow .35s ease; }
.site-header.scrolled { background: rgba(4,21,46,.94); box-shadow: 0 12px 32px rgba(0,15,35,.18); backdrop-filter: blur(12px); }
.header-inner { width: min(calc(100% - 48px), 1400px); height: 88px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { width: 150px; height: 72px; display: flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 100%; height: 100%; object-fit: contain; object-position: left center; }
.global-nav { display: flex; align-items: center; gap: clamp(20px, 2.3vw, 38px); font-size: .84rem; font-weight: 700; letter-spacing: .03em; }
.global-nav > a { position: relative; white-space: nowrap; }
.global-nav > a:not(.nav-cta)::after { content: ""; position: absolute; bottom: -10px; left: 0; width: 100%; height: 1px; background: var(--cyan-400); transform: scaleX(0); transform-origin: right; transition: transform .28s var(--ease); }
.global-nav > a:hover::after, .global-nav > a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { padding: 11px 19px; border: 1px solid rgba(255,255,255,.8); transition: color .25s, background .25s; }
.nav-cta:hover { color: var(--navy-900); background: #fff; }
.menu-button { display: none; }

.hero { position: relative; min-height: 790px; height: min(920px, 100svh); color: #fff; overflow: hidden; background: var(--navy-950); }
.hero-media, .hero-shade { position: absolute; inset: 0; }
.hero-media { background: url("assets/metropolitan-dawn-v4.webp") center 46%/cover no-repeat; transform: scale(1.01); }
.hero-shade { background: linear-gradient(180deg, rgba(2,16,38,.58) 0%, rgba(3,24,53,.2) 46%, rgba(3,17,37,.42) 100%), linear-gradient(90deg, rgba(1,19,44,.4), rgba(4,24,51,.04) 72%); }
.hero-inner { position: relative; height: 100%; padding-top: 104px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.hero-brand { width: clamp(220px, 20vw, 300px); height: clamp(142px, 17vw, 196px); margin: 0 auto 16px; }
.hero-brand img { width: 100%; height: 100%; object-fit: contain; }
.name-meaning { width: min(100%, 1030px); list-style: none; display: grid; grid-template-columns: repeat(5,1fr); margin: 0 auto; padding: 0 0 25px; }
.name-meaning li { display: flex; align-items: center; justify-content: center; gap: 12px; min-width: 0; padding-inline: clamp(8px,1.5vw,22px); border-right: 1px solid rgba(255,255,255,.42); }
.name-meaning li:first-child { padding-left: 0; }
.name-meaning li:last-child { border-right: 0; }
.name-meaning strong { font-family: Arial, sans-serif; font-size: clamp(1.5rem, 2vw, 2.2rem); line-height: 1; }
.name-meaning b { display: block; font-size: .76rem; letter-spacing: .04em; }
.name-meaning small { display: block; margin-top: 1px; color: rgba(255,255,255,.72); font-size: .68rem; white-space: nowrap; }
.hero-copy { width: 100%; padding-top: clamp(24px, 4vh, 42px); }
.eyebrow { margin: 0 0 22px; color: var(--blue-600); font-family: Arial, sans-serif; font-size: .76rem; font-weight: 800; letter-spacing: .2em; }
.eyebrow::before { content: ""; display: inline-block; width: 34px; height: 1px; margin: 0 13px 4px 0; background: currentColor; }
.eyebrow span { margin-left: 14px; color: var(--muted); font-family: inherit; font-weight: 600; letter-spacing: .06em; }
.eyebrow.light { color: var(--cyan-400); }
.eyebrow.light span { color: rgba(255,255,255,.62); }
.hero h1 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(3rem, 5.3vw, 5.4rem); font-weight: 500; line-height: 1.2; letter-spacing: .01em; text-shadow: 0 4px 30px rgba(0,20,45,.25); }
.hero h1 em { color: #fff; font-style: normal; }
.hero-lead { margin: 18px 0 8px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1.1rem, 1.8vw, 1.45rem); letter-spacing: .12em; }
.tagline { margin: 0 0 32px; color: rgba(255,255,255,.72); font-family: Arial, sans-serif; font-size: .7rem; font-weight: 700; letter-spacing: .28em; }
.button { display: inline-flex; min-height: 56px; align-items: center; justify-content: space-between; gap: 40px; padding: 0 23px; border: 0; cursor: pointer; font-size: .92rem; font-weight: 700; letter-spacing: .04em; transition: transform .25s var(--ease), background .25s, color .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { min-width: 238px; color: var(--navy-950); background: #fff; }
.button-primary:hover { background: var(--cyan-400); }
.mobile-only { display: none; }
.mobile-title-break { display: none; }

.values { position: relative; z-index: 2; padding-block: 38px 42px; background: #fff; }
.values-grid { display: grid; grid-template-columns: 1.15fr .9fr 1.15fr .95fr; border-top: 1px solid var(--ink); }
.value { position: relative; min-height: 178px; padding: 28px clamp(18px,2vw,30px) 12px; border-right: 1px solid var(--line); }
.value:first-child { padding-left: 0; }
.value:last-child { border-right: 0; }
.value:nth-child(even) { padding-top: 48px; }
.value-number { margin: 0; color: var(--blue-600); font-family: Arial, sans-serif; font-size: .68rem; font-weight: 700; letter-spacing: .16em; }
.value h2 { margin: 15px 0 6px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.22rem; font-weight: 700; letter-spacing: .03em; }
.value > p:last-child { margin: 0; color: var(--muted); font-size: .86rem; }

.regional-intro { background: #fff; }
.regional-intro-inner { display: grid; grid-template-columns: minmax(180px,.42fr) minmax(0,1.58fr); gap: clamp(36px,7vw,100px); align-items: start; padding-block: 34px 42px; border-top: 1px solid var(--line); }
.regional-intro p { margin: 0; }
.regional-intro-label { color: var(--blue-600); font-family: Arial,sans-serif; font-size: .68rem; font-weight: 700; letter-spacing: .18em; }
.regional-intro-inner > p:last-child { max-width: 850px; color: var(--muted); font-size: .92rem; line-height: 1.9; }

.section { padding-block: var(--section); }
.section-heading h2, .service h2, .case-section h2, .about h2, .message h2, .company h2, .contact h2 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(2.25rem, 4.2vw, 4.4rem); font-weight: 500; line-height: 1.35; letter-spacing: -.025em; }
.service { background: #f8fafc; }
.service-layout { display: grid; grid-template-columns: minmax(210px,.52fr) 1.48fr; gap: clamp(58px,8vw,120px); }
.service-intro { padding-top: 5px; }
.service-intro h2 { margin-bottom: 26px; }
.service-intro > p:last-child { color: var(--muted); }
.service-list { border-top: 1px solid #9dacbc; }
.service-item { position: relative; display: grid; grid-template-columns: 52px minmax(210px,.78fr) 1.22fr 100px; gap: 24px; align-items: center; padding: 36px 0; border-bottom: 1px solid #bac5d0; }
.service-number { margin: 0; color: var(--blue-600); font-family: Arial, sans-serif; font-size: .78rem; font-weight: 700; letter-spacing: .14em; }
.service-en { margin: 0 0 8px; color: var(--blue-600); font-family: Arial, sans-serif; font-size: .68rem; font-weight: 700; letter-spacing: .18em; }
.service-item h3 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1.05rem, 1.35vw, 1.35rem); font-weight: 600; line-height: 1.45; }
.service-title-link { transition: color .2s; }
.service-title-link:hover { color: var(--blue-600); }
.service-description { max-width: 600px; margin: 0; color: var(--muted); }
.service-link { display: inline-flex; min-height: 44px; align-items: center; justify-self: end; padding: 8px 0; border: 0; border-bottom: 1px solid #8ea1b5; color: var(--navy-900); background: transparent; font-size: .78rem; font-weight: 700; cursor: pointer; transition: color .2s, border-color .2s; }
.service-link span { margin-left: 10px; color: var(--blue-600); }
.service-link:hover { color: var(--blue-600); border-color: var(--blue-600); }
.service-link:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 5px; }

.case-section { position: relative; background: #eef5fa; overflow: hidden; }
.case-layout { display: grid; grid-template-columns: minmax(210px,.52fr) 1.48fr; gap: clamp(58px,8vw,120px); }
.case-heading { position: relative; padding-top: 5px; }
.case-heading h2 { margin-bottom: 28px; }
.case-heading > p:last-child { margin: 0; color: var(--muted); }
.case-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.case-card { min-height: 330px; display: flex; flex-direction: column; padding: clamp(28px,3.5vw,44px); border-top: 1px solid #9dacbc; background: rgba(255,255,255,.82); }
.case-index { margin: 0 0 14px; color: var(--blue-600); font-family: Arial,sans-serif; font-size: .72rem; font-weight: 700; letter-spacing: .16em; }
.case-card h3 { margin: 0 0 14px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1.25rem,1.8vw,1.65rem); line-height: 1.5; }
.case-card > p:not(.case-index) { margin: 0 0 28px; color: var(--muted); font-size: .9rem; }
.case-link { display: inline-flex; min-height: 44px; align-items: center; align-self: flex-start; gap: 24px; margin-top: auto; padding: 8px 0; border: 0; border-bottom: 1px solid #8ea1b5; color: var(--navy-900); background: transparent; font-size: .78rem; font-weight: 700; cursor: pointer; }
.case-link span { color: var(--blue-600); }
.case-link:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 5px; }

.about { position: relative; min-height: 660px; background: #fff; overflow: hidden; }
.about-visual { position: absolute; inset: 0 0 0 38%; background: url("assets/about-natural-light.jpg") right center/cover no-repeat; }
.about-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg,#fff 0%,rgba(255,255,255,.94) 18%,rgba(255,255,255,.72) 42%,rgba(255,255,255,.08) 78%); }
.about-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(50px,7vw,100px); }
.about h2 em { color: var(--blue-600); font-style: normal; }
.about-copy { max-width: 600px; padding-top: 55px; color: var(--muted); }
.about-copy .lead { color: var(--ink); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.3rem; font-weight: 600; }
.about-principle { margin-top: 52px; padding: 26px 0 0; border-top: 1px solid var(--line); }
.about-principle span { display: block; color: var(--muted); font-family: Arial, sans-serif; font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; }
.about-principle strong { display: block; margin-top: 7px; color: var(--navy-900); font-family: Georgia, serif; font-size: clamp(1.8rem,3vw,2.8rem); font-weight: 400; line-height: 1.15; }

.message { background: #fff; }
.message-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(60px,9vw,140px); padding-top: clamp(45px,6vw,80px); border-top: 1px solid var(--ink); }
.message-heading h2 { margin-top: 28px; }
.message-copy { padding-top: 58px; }
.message-body { color: var(--muted); }
.message-body p { margin: 0 0 22px; }
.signature { margin: 44px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.signature span { display: block; margin-bottom: 5px; color: var(--blue-600); font-family: Arial, sans-serif; font-size: .72rem; font-weight: 700; letter-spacing: .16em; }

.company { background: var(--pale); }
.company-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(60px,10vw,150px); }
.company-data { margin: 0; border-top: 1px solid #aebbc9; }
.company-data > div { display: grid; grid-template-columns: 140px 1fr; padding: 26px 0; border-bottom: 1px solid #c3ced9; }
.company-data dt { color: var(--muted); font-size: .85rem; font-weight: 700; }
.company-data dd { margin: 0; }

.contact { padding-block: var(--section); color: #fff; background: var(--navy-900); }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(60px,9vw,130px); }
.contact-intro h2 { font-size: clamp(2.15rem,3.6vw,3.7rem); }
.contact-intro > p:not(.eyebrow) { color: rgba(255,255,255,.68); }
.contact-intro ul { list-style: none; margin: 34px 0 0; padding: 0; }
.contact-intro li { position: relative; padding: 9px 0 9px 24px; color: rgba(255,255,255,.82); border-bottom: 1px solid rgba(255,255,255,.12); }
.contact-intro li::before { content: ""; position: absolute; top: 20px; left: 2px; width: 8px; height: 1px; background: var(--cyan-400); }
.contact-intro .contact-closing { margin: 26px 0 0; color: #fff; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.08rem; }
.contact-closing a { display: inline-flex; min-height: 44px; align-items: center; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 24px; padding: clamp(28px,4vw,52px); color: var(--ink); background: #fff; }
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row.full, .consent.full, .form-action.full { grid-column: 1 / -1; }
.form-row label { font-size: .82rem; font-weight: 700; }
.form-row label span { margin-left: 8px; color: var(--blue-600); font-size: .68rem; }
.form-row label small { margin-left: 8px; color: var(--muted); font-size: .68rem; font-weight: 500; }
.form-row input, .form-row textarea { width: 100%; border: 0; border-bottom: 1px solid #9dacbc; border-radius: 0; padding: 11px 4px; color: var(--ink); background: transparent; transition: border-color .2s, box-shadow .2s; }
.form-row textarea { border: 1px solid #9dacbc; padding: 12px; resize: vertical; }
.form-row input:focus, .form-row textarea:focus { outline: 0; border-color: var(--blue-600); box-shadow: 0 2px 0 var(--blue-600); }
.form-row textarea:focus { box-shadow: 0 0 0 2px var(--blue-600); }
.form-row input[aria-invalid="true"], .form-row textarea[aria-invalid="true"] { border-color: #b42318; }
.consent { display: flex; align-items: flex-start; gap: 10px; font-size: .82rem; }
.consent input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--blue-600); }
.text-button { min-height: 44px; padding: 8px 0; border: 0; color: var(--blue-700); background: none; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.button-submit { width: 100%; color: #fff; background: var(--blue-700); }
.button-submit:hover { background: var(--navy-900); }
.form-status { min-height: 1.75em; margin: 10px 0 0; color: var(--blue-700); font-size: .83rem; }
.form-honeypot { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }

.footer { padding: 44px 0 30px; color: #fff; background: #020e20; }
.footer-grid { display: grid; grid-template-columns: 220px 1fr auto; gap: 50px; align-items: center; }
.footer-brand { width: 148px; height: 94px; display: flex; align-items: center; }
.footer-brand img { width: 100%; height: 100%; object-fit: contain; object-position: left center; }
.footer-navigation { min-width: 0; }
.footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 24px; font-size: .76rem; }
.footer nav a { display: inline-flex; min-height: 44px; align-items: center; }
.footer nav a:hover { color: var(--cyan-400); }
.footer-area { margin: 8px 0 0; color: rgba(255,255,255,.52); font-size: .7rem; text-align: center; }
.copyright { margin: 0; color: rgba(255,255,255,.55); font-size: .72rem; }

.case-detail-dialog { width: min(920px, calc(100% - 40px)); max-height: min(88vh, 900px); padding: 0; border: 0; border-radius: 4px; color: var(--ink); background: #fff; box-shadow: 0 20px 50px rgba(0,18,45,.12); opacity: 0; overflow-x: hidden; overflow-y: auto; transform: translateY(16px); transition: opacity .2s var(--ease), transform .2s var(--ease); }
.case-detail-dialog::backdrop { background: rgba(2,15,36,.72); opacity: 0; transition: opacity .2s var(--ease); }
.case-detail-dialog.is-open { opacity: 1; transform: translateY(0); }
.case-detail-dialog.is-open::backdrop { opacity: 1; }
.case-detail-dialog.is-closing { opacity: 0; transform: translateY(10px); }
.case-detail-dialog.is-closing::backdrop { opacity: 0; }
.case-dialog-panel { position: relative; padding: clamp(36px,6vw,70px) clamp(28px,6vw,72px) clamp(38px,6vw,68px); }
.case-dialog-close { position: sticky; z-index: 2; top: 16px; float: right; display: grid; width: 44px; height: 44px; margin: -18px -20px 0 20px; padding: 0; place-items: center; border: 1px solid #c7d2de; border-radius: 50%; color: var(--navy-900); background: rgba(255,255,255,.96); font-size: 1.45rem; line-height: 1; cursor: pointer; }
.case-dialog-close:hover { border-color: var(--blue-600); color: var(--blue-600); }
.case-dialog-close:focus-visible, .case-dialog-cta:focus-visible { outline: 2px solid var(--blue-600); outline-offset: 4px; }
.case-dialog-header { padding-right: 72px; padding-bottom: clamp(30px,4vw,42px); border-bottom: 1px solid #b9c7d6; }
.case-dialog-index { margin: 0 0 12px; color: var(--blue-600); font-family: Arial,sans-serif; font-size: .74rem; font-weight: 700; letter-spacing: .18em; }
.case-dialog-index span { margin-left: 12px; color: var(--navy-900); font-size: .66rem; letter-spacing: .14em; }
.case-dialog-header h2 { margin: 0 0 16px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1.8rem,3vw,2.5rem); font-weight: 500; line-height: 1.4; }
.case-dialog-lead { max-width: 750px; margin: 0; color: var(--navy-900); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(1rem,1.7vw,1.18rem); line-height: 1.8; }
.case-dialog-flow section { display: grid; grid-template-columns: 170px minmax(0,1fr); gap: clamp(24px,4vw,52px); padding: clamp(27px,3.7vw,38px) 0; border-bottom: 1px solid #d3dde7; }
.case-dialog-flow h3 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.02rem; font-weight: 600; line-height: 1.6; }
.case-dialog-flow h3 span { display: block; margin-bottom: 7px; color: var(--blue-600); font-family: Arial,sans-serif; font-size: .66rem; font-weight: 700; letter-spacing: .16em; }
.case-dialog-flow section div { max-width: 570px; }
.case-dialog-flow section div p { margin: 0 0 13px; color: var(--muted); font-size: .9rem; line-height: 1.95; }
.case-dialog-flow section div p:last-child { margin-bottom: 0; }
.service-point-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px 20px; margin: 18px 0 0; padding: 0; list-style: none; }
.service-point-list li { position: relative; padding-left: 15px; color: var(--muted); font-size: .88rem; line-height: 1.7; }
.service-point-list li::before { content: ""; position: absolute; top: .75em; left: 0; width: 5px; height: 1px; background: var(--blue-600); }
.case-support-list { color: var(--navy-900) !important; font-weight: 600; }
.case-support-list i { color: var(--blue-600); font-style: normal; font-weight: 400; }
.case-dialog-footer { display: flex; justify-content: flex-end; padding-top: clamp(30px,4vw,42px); }
.case-dialog-detail-link { display: inline-flex; align-items: center; gap: 18px; margin-right: auto; color: var(--navy-900); font-size: .82rem; font-weight: 700; text-decoration: underline; text-decoration-color: var(--cyan-400); text-underline-offset: 6px; }
.case-dialog-detail-link:hover { color: var(--blue-600); }
.case-dialog-cta { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 56px; padding: 14px 24px; border: 1px solid var(--navy-900); border-radius: 2px; color: #fff; background: var(--navy-900); font-size: .82rem; font-weight: 700; cursor: pointer; transition: border-color .2s, background .2s; }
.case-dialog-cta:hover { border-color: var(--blue-600); background: var(--blue-600); }
.case-dialog-cta span { color: var(--cyan-400); }

.privacy-dialog { width: min(620px, calc(100% - 32px)); max-height: 85vh; padding: 0; border: 0; color: var(--ink); }
.privacy-dialog::backdrop { background: rgba(0,10,25,.72); backdrop-filter: blur(4px); }
.dialog-inner { position: relative; padding: clamp(32px,6vw,64px); }
.dialog-inner h2 { margin: 0 0 25px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 2rem; }
.dialog-close { position: absolute; top: 15px; right: 17px; width: 44px; height: 44px; border: 0; color: var(--ink); background: #edf2f7; cursor: pointer; font-size: 1.5rem; }
.dialog-note { color: var(--muted); font-size: .78rem; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .58s var(--ease), transform .58s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .header-inner { width: calc(100% - 36px); }
  .global-nav { gap: 17px; font-size: .76rem; }
  .brand { width: 136px; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .value { min-height: 165px; border-bottom: 1px solid var(--line); }
  .value:nth-child(2n) { border-right: 0; }
  .value:nth-child(even) { padding-top: 38px; }
  .value:nth-child(3) { padding-left: 0; }
  .service-layout, .case-layout { grid-template-columns: 220px 1fr; gap: 54px; }
  .service-item { grid-template-columns: 44px minmax(190px,.9fr) 1.1fr 88px; gap: 18px; }
}

@media (max-width: 820px) {
  :root { --gutter: 24px; --section: 92px; }
  .header-inner { height: 72px; }
  .brand { width: 112px; height: 58px; }
  .menu-button { position: relative; z-index: 2; width: 48px; height: 48px; display: grid; place-content: center; gap: 6px; border: 0; color: #fff; background: transparent; cursor: pointer; }
  .menu-button span { display: block; width: 26px; height: 1px; background: currentColor; transition: transform .25s, opacity .25s; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .global-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 0; padding: 100px 34px 50px; background: rgba(4,21,46,.98); opacity: 0; visibility: hidden; transform: translateY(-12px); transition: opacity .25s, visibility .25s, transform .25s; }
  .global-nav.open { opacity: 1; visibility: visible; transform: none; }
  .global-nav a { width: 100%; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.14); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.15rem; }
  .global-nav .nav-cta { margin-top: 24px; padding: 15px 20px; text-align: center; }
  .hero { min-height: 760px; height: 100svh; max-height: 900px; }
  .hero-inner { padding-top: 82px; }
  .hero-brand { width: 210px; height: 142px; margin-bottom: 8px; }
  .name-meaning { gap: 0; padding-bottom: 18px; }
  .name-meaning li { gap: 7px; padding-inline: 7px; }
  .name-meaning strong { font-size: 1.25rem; }
  .name-meaning b { font-size: .65rem; }
  .name-meaning small { display: none; }
  .hero-copy { padding-top: 28px; }
  .hero h1 { font-size: clamp(3rem, 9vw, 4.2rem); }
  .mobile-title-break { display: block; }
  .regional-intro-inner { grid-template-columns: 1fr; gap: 12px; }
  .service-layout, .case-layout, .about-grid, .message-grid, .company-grid, .contact-grid { grid-template-columns: 1fr; }
  .service-layout, .case-layout { gap: 48px; }
  .service-item { grid-template-columns: 48px 1fr auto; gap: 18px; }
  .service-description { grid-column: 2 / 4; }
  .service-link { grid-column: 2 / 4; justify-self: start; }
  .case-heading > p:last-child br { display: none; }
  .about-grid { gap: 30px; }
  .about-copy { padding-top: 0; }
  .message-grid { gap: 44px; }
  .message-copy { max-width: 680px; padding-top: 0; }
  .company-grid, .contact-grid { gap: 50px; }
  .footer-grid { grid-template-columns: 1fr; justify-items: center; gap: 25px; text-align: center; }
}

@media (max-width: 560px) {
  :root { --gutter: 20px; --section: 76px; }
  body { font-size: 15px; }
  .hero-media { background-position: 61% 52%; }
  .hero-shade { background: linear-gradient(180deg, rgba(2,15,36,.72), rgba(3,19,43,.18) 46%, rgba(3,18,37,.65)); }
  .hero { min-height: 720px; }
  .hero-inner { justify-content: flex-start; padding-top: 92px; }
  .hero-brand { width: 174px; height: 116px; margin-bottom: 7px; }
  .name-meaning { width: calc(100% + 10px); margin-inline: -5px; }
  .name-meaning li { flex-direction: column; gap: 3px; }
  .name-meaning strong { font-size: 1.12rem; }
  .name-meaning b { font-size: .55rem; letter-spacing: 0; }
  .hero-copy { padding-top: 44px; }
  .hero h1 { font-size: clamp(2.2rem, 10.2vw, 3rem); line-height: 1.35; }
  .mobile-title-break { display: block; }
  .hero-lead { font-size: 1.12rem; line-height: 1.9; }
  .mobile-only { display: block; }
  .tagline { max-width: 270px; font-size: .62rem; line-height: 1.7; }
  .button-primary { width: 100%; min-width: 0; }
  .values { padding-block: 30px; }
  .values-grid { width: 100%; grid-template-columns: 1fr; }
  .value, .value:first-child, .value:nth-child(3), .value:nth-child(even) { min-height: 0; display: grid; grid-template-columns: 46px 1fr; column-gap: 18px; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .value-number { grid-row: 1 / 3; padding-top: 4px; }
  .value h2 { margin: 1px 0 4px; font-size: 1.12rem; }
  .value > p:last-child { font-size: .84rem; }
  .service h2, .case-section h2, .about h2, .message h2, .company h2, .contact h2 { font-size: 2.15rem; }
  .service-item { grid-template-columns: 38px 1fr; padding-block: 34px; }
  .service-description { grid-column: 2; font-size: .9rem; }
  .service-link { grid-column: 2; }
  .case-list { grid-template-columns: 1fr; }
  .case-card { min-height: 0; }
  .case-detail-dialog { width: calc(100% - 16px); max-height: calc(100dvh - 16px); }
  .case-dialog-panel { padding: 24px 20px 28px; }
  .case-dialog-close { top: 10px; width: 44px; height: 44px; margin: -10px -8px 0 14px; }
  .case-dialog-header { padding-right: 48px; padding-bottom: 28px; }
  .case-dialog-header h2 { margin-bottom: 12px; font-size: 1.75rem; }
  .case-dialog-lead { font-size: .98rem; line-height: 1.75; }
  .case-dialog-flow section { grid-template-columns: 1fr; gap: 14px; padding: 24px 0; }
  .case-dialog-flow h3 { font-size: 1rem; }
  .case-dialog-flow h3 span { display: inline-block; min-width: 100px; margin: 0 10px 0 0; }
  .case-dialog-flow section div p { font-size: .86rem; line-height: 1.9; }
  .service-point-list { grid-template-columns: 1fr; gap: 6px; }
  .case-dialog-footer { align-items: stretch; flex-direction: column; gap: 20px; padding-top: 28px; }
  .case-dialog-cta { width: 100%; min-height: 58px; }
  .about { min-height: 760px; padding-bottom: 250px; }
  .about-visual { inset: auto 0 0 25%; height: 390px; }
  .about-visual::after { background: linear-gradient(180deg,#fff 0%,rgba(255,255,255,.35) 34%,rgba(255,255,255,0) 70%); }
  .company-data > div { grid-template-columns: 90px 1fr; gap: 15px; }
  .contact-form { grid-template-columns: 1fr; gap: 23px; padding: 26px 20px; }
  .form-row.full, .consent.full, .form-action.full { grid-column: auto; }
  .footer nav { flex-direction: column; align-items: center; }
  .dialog-inner h2 { font-size: 1.7rem; }
  .brand-intro { padding: 24px; }
  .brand-intro-logo { width: min(72vw, 280px); margin-bottom: 28px; }
  .brand-intro-title { font-size: clamp(2rem, 10vw, 2.8rem); }
  .brand-intro-lead { margin-top: 16px; font-size: .98rem; line-height: 1.9; }
  .intro-mobile-break { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .brand-intro { display: none !important; }
  html.intro-pending, html.intro-running { overflow: auto; }
  .case-detail-dialog, .case-detail-dialog::backdrop { transition: none; }
}