:root { --navy: #151677; --navy-deep: #0b0d4f; --red: #d72830; --ink: #171922; --muted: #666a78; --paper: #f5f6f8; --line: #e4e6eb; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink); font-family: Arial, "Noto Sans JP", sans-serif; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.brand-bar { height: 25px; padding: 4px max(4vw, calc((100vw - 1200px) / 2)); background: var(--navy-deep); color: #fff; font-size: 11px; letter-spacing: .08em; }
.site-header { position: relative; z-index: 100; height: 84px; max-width: 1200px; margin: auto; padding: 0 8px; display: flex; align-items: stretch; justify-content: space-between; background: #fff; }
.brand { margin-right: 20px; display: flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 205px; height: auto; display: block; }
.primary-nav { margin-left: auto; display: flex; align-items: stretch; }
.nav-list, .nav-list ul { margin: 0; padding: 0; list-style: none; }
.nav-list { display: flex; align-items: stretch; font-size: 13px; font-weight: 700; }
.nav-list > li { position: relative; display: flex; align-items: stretch; }
.nav-list > li > a { position: relative; padding: 0 13px; display: flex; align-items: center; white-space: nowrap; }
.nav-list > li > a::before { position: absolute; right: 13px; bottom: 0; left: 13px; height: 2px; content: ""; background: var(--navy); transform: scaleX(0); transition: transform .2s ease; }
.nav-list > li:hover > a::before, .nav-list > li:focus-within > a::before, .nav-list > .current > a::before { transform: scaleX(1); }
.nav-list > .has-children > a { padding-right: 27px; }
.nav-list > .has-children > a::after { position: absolute; top: 50%; right: 11px; width: 7px; height: 7px; content: ""; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: translateY(-70%) rotate(45deg); }
.nav-list ul { position: absolute; top: 100%; left: 0; min-width: 230px; padding: 8px 0; visibility: hidden; opacity: 0; background: #fff; border-top: 2px solid var(--navy); box-shadow: 0 14px 30px rgba(20,22,55,.16); transform: translateY(7px); transition: opacity .18s ease, transform .18s ease, visibility .18s; }
.nav-list li:hover > ul, .nav-list li:focus-within > ul { visibility: visible; opacity: 1; transform: translateY(0); }
.nav-list ul a { display: block; padding: 11px 18px; font-size: 12px; line-height: 1.45; white-space: nowrap; transition: padding .18s ease; }
.nav-list ul a:hover, .nav-list ul a:focus { padding-left: 22px; color: var(--navy); background: var(--paper); }
.menu-toggle { display: none; }
.hero { min-height: 510px; padding: 56px max(5vw, calc((100vw - 1160px) / 2)); display: grid; grid-template-columns: .95fr 1.05fr; gap: 48px; align-items: center; overflow: hidden; background: linear-gradient(110deg, #f5f6fa 0 48%, #eceef3 48%); }
.eyebrow { margin-bottom: 14px; display: inline-block; color: var(--navy); font-size: 12px; font-weight: 800; letter-spacing: .19em; }
.hero h1 { margin: 0; font-size: clamp(38px, 3.6vw, 52px); line-height: 1.22; letter-spacing: -.055em; }
.hero h1 em { display: block; color: var(--navy); font-style: normal; }
.hero-copy > p { max-width: 450px; margin: 25px 0 29px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.primary-button { padding: 17px 28px; display: inline-flex; background: var(--navy); color: #fff; border-radius: 3px; font-weight: 800; box-shadow: 0 12px 28px rgba(21,22,119,.22); }
.hero-copy small { margin: 13px 0 0 16px; display: block; color: #787b86; }
.hero-photo { position: relative; transform: rotate(1.2deg); }
.hero-photo > img { width: 100%; max-height: 400px; display: block; object-fit: cover; border: 9px solid #fff; box-shadow: 0 24px 60px rgba(15,18,42,.22); }
.hero-badge { position: absolute; left: -30px; bottom: -25px; width: 135px; height: 108px; display: flex; flex-direction: column; justify-content: center; align-items: center; color: #fff; background: var(--red); box-shadow: 0 16px 35px rgba(149,17,27,.3); transform: rotate(-4deg); }
.hero-badge b { font-size: 28px; }.hero-badge span { font-size: 12px; }
.content-section { max-width: 1160px; margin: auto; padding: 82px 8px 100px; }
.section-title { margin-bottom: 30px; display: flex; align-items: end; justify-content: space-between; }
.section-title h2 { margin: 0; font-size: 31px; }.section-title p { max-width: 650px; margin: 13px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.section-title > a { padding-bottom: 6px; color: var(--navy); border-bottom: 1px solid var(--navy); font-size: 12px; font-weight: 800; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.card { overflow: hidden; border: 1px solid var(--line); background: #fff; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 35px rgba(20,22,55,.1); }
.card-image { position: relative; aspect-ratio: 4 / 3; overflow: hidden; display: grid; place-items: center; background: #eee; }
.archive-card .card-image { aspect-ratio: 16 / 10; }
.card-image img { width: 100%; height: 100%; object-fit: cover; }
.card-image span { position: absolute; left: 14px; bottom: 14px; padding: 6px 10px; color: #fff; background: rgba(16,17,101,.94); font-size: 11px; font-weight: 800; }
.archive-card .card-image span { background: rgba(215,40,48,.94); }
.card-copy { padding: 18px 20px 21px; }.card-copy time { color: #91939d; font-size: 10px; }
.card-copy h3 { min-height: 82px; margin: 9px 0 11px; font-size: 17px; line-height: 1.55; }
.card-copy p { min-height: 62px; margin: 0 0 17px; display: -webkit-box; overflow: hidden; -webkit-line-clamp: 3; -webkit-box-orient: vertical; color: var(--muted); font-size: 12px; line-height: 1.75; }
.card-copy b { font-size: 11px; }.card-copy .read-more { color: var(--navy); }
.archive-wrap { background: #f4f5f8; }.archive-wrap .content-section { padding-top: 82px; }
.more-button { width: min(360px, 100%); margin: 34px auto 0; padding: 14px 20px; display: block; color: var(--navy); border: 1px solid var(--navy); font-size: 12px; font-weight: 800; text-align: center; }
.loading { grid-column: 1 / -1; margin: 0; padding: 55px 20px; background: var(--paper); color: var(--muted); text-align: center; }
.archive-wrap .loading { background: #fff; }
.loading a { color: var(--navy); font-weight: 800; }
.site-footer { min-height: 170px; padding: 42px max(5vw, calc((100vw - 1160px) / 2)); display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 18px; background: #111342; color: #fff; }
.site-footer img { width: 180px; padding: 8px; background: #fff; }.site-footer div { display: flex; gap: 24px; font-size: 13px; }.site-footer small { grid-column: 1 / -1; color: #aeb0ca; font-size: 11px; }

@media (max-width: 959px) {
  .brand-bar { height: 22px; padding-left: 18px; white-space: nowrap; overflow: hidden; }
  .site-header { height: 69px; padding: 0 18px; }
  .brand { margin-right: 12px; }.brand img { width: 172px; }
  .menu-toggle { width: 56px; margin: 0 -8px 0 auto; padding: 12px 8px 6px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; color: var(--ink); border: 0; background: transparent; cursor: pointer; }
  .menu-toggle span { width: 23px; height: 2px; display: block; background: var(--navy); transition: transform .2s ease, opacity .2s ease; }.menu-toggle b { margin-top: 1px; font-size: 9px; line-height: 1; }
  .is-menu-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }.is-menu-open .menu-toggle span:nth-child(2) { opacity: 0; }.is-menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .primary-nav { position: absolute; top: 100%; right: 0; left: 0; max-height: calc(100vh - 91px); display: none; overflow-y: auto; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 16px 34px rgba(20,22,55,.2); }.is-menu-open .primary-nav { display: block; }
  .nav-list { display: block; font-size: 14px; }.nav-list > li { display: block; border-bottom: 1px solid var(--line); }.nav-list > li > a { min-height: 52px; padding: 14px 44px 14px 20px; }.nav-list > li > a::before { content: none; }.nav-list > .has-children > a::after { right: 23px; }
  .nav-list ul { position: static; min-width: 0; padding: 4px 0 8px; visibility: visible; opacity: 1; background: var(--paper); border: 0; box-shadow: inset 0 1px var(--line); transform: none; }.nav-list ul a { position: relative; padding: 10px 20px 10px 36px; white-space: normal; }.nav-list ul a::before { position: absolute; top: 50%; left: 21px; width: 5px; height: 5px; content: ""; border-right: 1px solid var(--navy); border-bottom: 1px solid var(--navy); transform: translateY(-50%) rotate(-45deg); }
  .hero { min-height: auto; padding: 38px 20px 61px; grid-template-columns: 1fr; gap: 36px; background: linear-gradient(160deg, #f6f7fa 0 60%, #e9ebf1 60%); }.hero h1 { font-size: clamp(29px, 9.3vw, 38px); }.hero-copy > p { font-size: 14px; }.primary-button { width: 100%; justify-content: center; }.hero-photo > img { border-width: 6px; }.hero-badge { left: -5px; bottom: -25px; width: 108px; height: 82px; }.hero-badge b { font-size: 22px; }
  .content-section, .archive-wrap .content-section { padding: 61px 18px 75px; }.section-title { align-items: flex-start; }.section-title h2 { font-size: 26px; }.section-title > a { display: none; }.card-grid { grid-template-columns: 1fr; gap: 18px; }.card-copy h3 { min-height: 0; }
  .site-footer { grid-template-columns: 1fr; padding: 38px 20px 88px; }.site-footer div { justify-content: flex-start; }
}