:root {
  --color-minato-blue: #004ca1;
  --color-deep-port-navy: #002b5f;
  --color-signal-red: #d7000f;
  --color-sky-wash: #eef6fb;
  --color-line-blue-gray: #c9d9e9;
  --color-ink: #141414;
  --color-paper: #ffffff;
  --color-muted: #5d6874;
  --shadow: 0 18px 46px rgba(0, 43, 95, 0.14);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--color-ink); background: #f7f9fb; line-height: 1.8; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.site-header { background: var(--color-paper); position: relative; z-index: 2; box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05); }
.header-top { background: #f4f8fc; color: #37506f; font-size: 13px; display: flex; justify-content: space-between; gap: 20px; padding: 8px max(24px, calc((100vw - 1180px) / 2)); }
.header-top p { margin: 0; }
.header-top a { color: var(--color-minato-blue); font-weight: 700; }
.header-main { max-width: 1180px; margin: 0 auto; padding: 18px 24px; display: grid; grid-template-columns: 260px 1fr auto; gap: 28px; align-items: center; }
.brand img { width: 230px; height: auto; }
.header-contact { display: grid; grid-template-columns: auto auto; column-gap: 14px; align-items: center; justify-content: end; }
.header-contact span { background: var(--color-minato-blue); color: #fff; font-weight: 700; padding: 4px 8px; }
.header-contact a { font-size: 28px; font-weight: 800; color: var(--color-minato-blue); line-height: 1; }
.header-contact small { grid-column: 2; color: var(--color-muted); font-size: 12px; }
.header-button, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border: 1px solid var(--color-line-blue-gray); border-radius: 4px; font-weight: 800; background: #fff; color: var(--color-minato-blue); }
.header-button, .button.primary { background: var(--color-signal-red); border-color: var(--color-signal-red); color: #fff; }
.button.ghost { border-color: rgba(255, 255, 255, 0.8); color: #fff; background: rgba(255, 255, 255, 0.08); }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.global-nav { background: var(--color-minato-blue); display: flex; justify-content: center; gap: 1px; padding: 0 24px; }
.global-nav a { color: #fff; font-weight: 800; font-size: 14px; padding: 16px 24px; }
.global-nav a:hover { background: #003782; }

.hero { min-height: 680px; position: relative; color: #fff; overflow: hidden; background: var(--color-deep-port-navy); }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.72; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0, 21, 52, .92), rgba(0, 76, 161, .62), rgba(0, 43, 95, .18)); }
.hero-copy { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding: 130px 24px 180px; }
.eyebrow { margin: 0 0 14px; color: #9ec4ef; font-weight: 900; font-size: 13px; letter-spacing: .12em; }
.hero h1 { margin: 0; font-size: clamp(44px, 6vw, 76px); line-height: 1.12; letter-spacing: 0; }
.hero-copy > p:not(.eyebrow) { max-width: 640px; font-size: 22px; color: #e7f2ff; }
.hero-proof { position: absolute; z-index: 1; left: 50%; bottom: 42px; transform: translateX(-50%); width: min(1180px, calc(100% - 48px)); display: grid; grid-template-columns: repeat(3, 1fr); background: #fff; color: var(--color-ink); box-shadow: var(--shadow); }
.hero-proof div, .profile-strip div { padding: 24px; border-right: 1px solid var(--color-line-blue-gray); }
.hero-proof span, .profile-strip span { display: block; color: var(--color-muted); font-size: 13px; font-weight: 800; }
.hero-proof strong, .profile-strip strong { display: block; color: var(--color-minato-blue); font-size: 22px; line-height: 1.45; }

.page-hero { background: linear-gradient(135deg, #002b5f, #004ca1); color: #fff; }
.page-hero > div { max-width: 1180px; margin: 0 auto; padding: 96px 24px; }
.page-hero h1 { margin: 0; font-size: clamp(36px, 5vw, 58px); line-height: 1.2; }
.page-hero p:last-child { max-width: 760px; color: #e7f2ff; font-size: 18px; }

.section { max-width: 1180px; margin: 0 auto; padding: 88px 24px; }
.section-heading { margin-bottom: 32px; }
.section-heading p { margin: 0 0 8px; color: var(--color-minato-blue); font-weight: 900; letter-spacing: .12em; }
.section-heading h2 { margin: 0; font-size: clamp(30px, 4vw, 44px); line-height: 1.3; }
.section-heading span { display: block; max-width: 760px; margin-top: 12px; color: var(--color-muted); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: #fff; border: 1px solid var(--color-line-blue-gray); border-top: 5px solid var(--color-minato-blue); border-radius: 6px; padding: 28px; box-shadow: var(--shadow); }
.service-card h3 { margin: 0 0 12px; color: var(--color-deep-port-navy); }
.service-card ul { margin: 18px 0 0; padding: 0; list-style: none; }
.service-card li { padding: 8px 0 8px 18px; border-top: 1px solid #e5edf5; position: relative; }
.service-card li::before { content: ""; width: 6px; height: 6px; background: var(--color-signal-red); position: absolute; left: 0; top: 20px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split.reverse img { order: -1; }
.split img, .fleet-grid img, .contact-band img, .contact-note img { width: 100%; border-radius: 6px; object-fit: cover; box-shadow: var(--shadow); }
.split > img { aspect-ratio: 1.25; }
.text-link { color: var(--color-minato-blue); font-weight: 900; border-bottom: 2px solid var(--color-minato-blue); }
.profile-strip { display: grid; grid-template-columns: repeat(3, 1fr); background: #fff; border: 1px solid var(--color-line-blue-gray); padding: 0; }
.news-strip { display: grid; grid-template-columns: 320px 1fr; gap: 32px; align-items: start; }
.news-card { display: grid; gap: 8px; background: #fff; border-left: 5px solid var(--color-signal-red); padding: 26px; box-shadow: var(--shadow); }
.news-card time { color: var(--color-minato-blue); font-weight: 900; }
.news-card strong { font-size: 22px; }

.contact-band { max-width: 1180px; margin: 0 auto 88px; padding: 0 24px; display: grid; grid-template-columns: 44% 1fr; gap: 0; align-items: stretch; }
.contact-band img { border-radius: 6px 0 0 6px; height: 100%; min-height: 360px; }
.contact-band > div { background: var(--color-deep-port-navy); color: #fff; padding: 56px; border-radius: 0 6px 6px 0; }
.contact-band h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); line-height: 1.35; }
.contact-band p:not(.eyebrow) { color: #d8e8f8; }

.fleet-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.fleet-grid article { background: #fff; border: 1px solid var(--color-line-blue-gray); border-radius: 6px; overflow: hidden; }
.fleet-grid img { aspect-ratio: 4 / 3; border-radius: 0; box-shadow: none; }
.fleet-grid h3, .fleet-grid p { padding: 0 18px; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.process .section-heading { grid-column: 1 / -1; }
.process article { background: #fff; border: 1px solid var(--color-line-blue-gray); padding: 24px; }
.process span { color: var(--color-minato-blue); font-size: 32px; font-weight: 900; }

.table-section { background: #fff; max-width: none; }
.table-section > * { max-width: 1180px; margin-left: auto; margin-right: auto; }
.profile-table { border-top: 1px solid var(--color-line-blue-gray); }
.profile-table div { display: grid; grid-template-columns: 220px 1fr; border-bottom: 1px solid var(--color-line-blue-gray); }
.profile-table dt { background: var(--color-sky-wash); padding: 18px; font-weight: 900; }
.profile-table dd { margin: 0; padding: 18px; }
.office-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.office-grid article { background: #fff; border: 1px solid var(--color-line-blue-gray); padding: 22px; border-radius: 6px; }
.office-grid h3 { margin-top: 0; color: var(--color-minato-blue); }
.office-grid a { color: var(--color-minato-blue); font-weight: 900; }
.article { max-width: 840px; font-size: 18px; }
.article time { color: var(--color-minato-blue); font-weight: 900; }

.contact-layout { display: grid; grid-template-columns: 38% 1fr; gap: 32px; align-items: start; }
.contact-note, .form-panel, .confirm-panel, .thanks-panel { background: #fff; border: 1px solid var(--color-line-blue-gray); border-radius: 6px; padding: 30px; box-shadow: var(--shadow); }
.contact-note img { aspect-ratio: 3 / 2; margin-bottom: 24px; }
.phone-link { display: inline-block; color: var(--color-minato-blue); font-size: 32px; font-weight: 900; line-height: 1.2; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field.full { grid-column: 1 / -1; }
.field label { display: flex; gap: 8px; align-items: center; font-weight: 900; margin-bottom: 8px; }
.required { color: var(--color-signal-red); font-size: 12px; border: 1px solid currentColor; padding: 1px 6px; }
.field input, .field textarea { width: 100%; border: 1px solid var(--color-line-blue-gray); border-radius: 4px; padding: 14px; font: inherit; background: #fff; }
.field textarea { min-height: 160px; resize: vertical; }
.form-help, .privacy-note { color: var(--color-muted); font-size: 13px; }
.empty-summary { color: var(--color-muted); }
.summary-list { margin: 0 0 24px; border-top: 1px solid var(--color-line-blue-gray); }
.summary-row { display: grid; grid-template-columns: 220px 1fr; border-bottom: 1px solid var(--color-line-blue-gray); }
.summary-row dt { background: var(--color-sky-wash); padding: 14px; font-weight: 900; }
.summary-row dd { margin: 0; padding: 14px; }
.thanks-panel { text-align: center; max-width: 840px; }

.site-footer { background: #001d44; color: #fff; }
.footer-cta { max-width: 1180px; margin: 0 auto; padding: 40px 24px; display: flex; justify-content: space-between; gap: 24px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.18); }
.footer-cta span, .footer-cta small { display: block; color: #b9d5ef; }
.footer-cta strong { font-size: 32px; }
.footer-main { max-width: 1180px; margin: 0 auto; padding: 42px 24px; display: grid; grid-template-columns: 320px 1fr; gap: 40px; }
.footer-main img { width: 230px; background: #fff; padding: 12px; border-radius: 4px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px 26px; align-content: start; }
.copyright { margin: 0; padding: 18px 24px; text-align: center; color: #b9d5ef; background: #001632; font-size: 13px; }

@media (max-width: 880px) {
  .header-top { display: none; }
  .header-main { grid-template-columns: 1fr auto; gap: 16px; padding: 14px 18px; }
  .brand img { width: 190px; }
  .header-contact { display: none; }
  .global-nav { justify-content: flex-start; overflow-x: auto; padding: 0 12px; }
  .global-nav a { flex: 0 0 auto; padding: 13px 12px; font-size: 13px; }
  .hero { min-height: 740px; }
  .hero-copy { padding: 76px 18px 250px; }
  .hero-copy > p:not(.eyebrow) { font-size: 17px; }
  .hero-proof { grid-template-columns: 1fr; bottom: 24px; width: calc(100% - 36px); }
  .hero-proof div, .profile-strip div { border-right: 0; border-bottom: 1px solid var(--color-line-blue-gray); padding: 16px; }
  .page-hero > div, .section { padding: 56px 18px; }
  .service-grid, .split, .news-strip, .contact-band, .contact-layout, .footer-main, .profile-strip, .office-grid, .fleet-grid, .process { grid-template-columns: 1fr; }
  .split.reverse img { order: 0; }
  .contact-band { padding: 0 18px; margin-bottom: 56px; }
  .contact-band img, .contact-band > div { border-radius: 6px; }
  .contact-band > div { padding: 30px; }
  .field-grid, .profile-table div, .summary-row { grid-template-columns: 1fr; }
  .footer-cta { align-items: stretch; flex-direction: column; }
}