/* BOLT ONE Inc. corporate site — shared stylesheet */
:root {
  --navy: #102c5c;
  --navy-dark: #0a1d3d;
  --navy-light: #e9eef6;
  --accent: #d9540b;
  --text: #1f2933;
  --muted: #5b6573;
  --line: #d9dee5;
  --bg-alt: #f5f7fa;
  --radius: 6px;
  --max: 1120px;
  --font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "BIZ UDPGothic", "Yu Gothic", YuGothic, Meiryo, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.85;
  font-size: 16px;
  letter-spacing: .02em;
  background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
a:hover { color: var(--accent); }
h1, h2, h3 { line-height: 1.4; margin: 0 0 .6em; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 10px; top: 10px; background: #fff; padding: 8px 12px; z-index: 100; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: saturate(160%) blur(6px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand img { width: 190px; height: auto; }
.global-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; align-items: center; }
.global-nav a {
  display: block; padding: 8px 12px; text-decoration: none; color: var(--text);
  font-size: 15px; font-weight: 600; border-radius: var(--radius);
}
.global-nav a:hover, .global-nav a[aria-current="page"] { color: var(--navy); background: var(--navy-light); }
.global-nav .nav-cta a { background: var(--navy); color: #fff; padding: 8px 18px; margin-left: 8px; }
.global-nav .nav-cta a:hover { background: var(--accent); color: #fff; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius);
  width: 44px; height: 44px; cursor: pointer; padding: 0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 20px; height: 2px; background: var(--navy); margin: 0 auto; position: relative; content: "";
  transition: transform .2s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .header-inner { height: 60px; }
  .brand img { width: 150px; }
  .nav-toggle { display: block; }
  .global-nav {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 8px 16px rgba(0,0,0,.06);
  }
  .nav-open .global-nav { display: block; }
  .global-nav ul { flex-direction: column; align-items: stretch; padding: 8px 20px 16px; gap: 0; }
  .global-nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .global-nav .nav-cta a { margin: 12px 0 0; text-align: center; border-radius: var(--radius); border: 0; }
}

/* ---------- Hero (top page) ---------- */
.hero {
  position: relative; color: #fff; background: var(--navy-dark);
  min-height: 520px; display: flex; align-items: center; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,29,61,.92) 0%, rgba(10,29,61,.55) 55%, rgba(10,29,61,.2) 100%); }
.hero .container { position: relative; z-index: 1; padding-top: 64px; padding-bottom: 64px; }
.hero-eyebrow { font-size: 14px; letter-spacing: .2em; color: #ffb48a; font-weight: 700; margin-bottom: 12px; }
.hero h1 { font-size: clamp(28px, 4.4vw, 46px); font-weight: 700; margin-bottom: 20px; }
.hero p { font-size: clamp(15px, 1.6vw, 17px); max-width: 640px; color: #e6ebf3; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 32px; padding: 0; list-style: none; }
.hero-badges li { border: 1px solid rgba(255,255,255,.5); padding: 4px 14px; border-radius: 999px; font-size: 14px; }

/* ---------- Page header (sub pages) ---------- */
.page-header {
  background: linear-gradient(120deg, var(--navy-dark), var(--navy));
  color: #fff; padding: 56px 0 48px; position: relative; overflow: hidden;
}
.page-header::after {
  content: ""; position: absolute; right: -60px; top: -40px; width: 260px; height: 260px;
  border: 18px solid rgba(255,255,255,.06);
  clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0 50%);
}
.page-header .en { display: block; font-size: 13px; letter-spacing: .25em; color: #ffb48a; font-weight: 700; margin-bottom: 6px; }
.page-header h1 { font-size: clamp(26px, 3.6vw, 36px); margin: 0; }
.breadcrumb { font-size: 13px; padding: 12px 0; color: var(--muted); border-bottom: 1px solid var(--line); }
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: #9aa4b1; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Sections ---------- */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-alt); }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title .en { display: block; font-size: 13px; letter-spacing: .25em; color: var(--accent); font-weight: 700; }
.section-title h2 { font-size: clamp(22px, 3vw, 30px); color: var(--navy); margin: 6px 0 0; }
.section-title p { color: var(--muted); margin: 14px auto 0; max-width: 720px; }
.h3 { font-size: 20px; color: var(--navy); border-left: 4px solid var(--accent); padding-left: 12px; margin: 40px 0 16px; }
.lead { font-size: 17px; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
@media (max-width: 700px) { .section { padding: 56px 0; } .section-title { margin-bottom: 32px; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius);
  text-decoration: none; font-weight: 700; border: 2px solid transparent; transition: background .2s, color .2s;
}
.btn::after { content: "→"; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #b84607; color: #fff; }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-dark); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Grids & cards ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #eef1f5; }
.card-body { padding: 20px 22px 24px; flex: 1; }
.card h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.card p { font-size: 15px; color: var(--muted); margin: 0; }
a.card { text-decoration: none; color: inherit; transition: box-shadow .2s, transform .2s; }
a.card:hover { box-shadow: 0 10px 24px rgba(16,44,92,.12); transform: translateY(-2px); }
a.card .more { margin-top: 12px; color: var(--accent); font-weight: 700; font-size: 14px; }

.feature { padding: 32px 28px; background: #fff; border-radius: var(--radius); border-top: 4px solid var(--navy); box-shadow: 0 2px 10px rgba(16,44,92,.06); }
.feature .num { font-size: 13px; font-weight: 700; color: var(--accent); letter-spacing: .15em; }
.feature h3 { font-size: 20px; color: var(--navy); margin: 6px 0 12px; }
.feature p { font-size: 15px; margin-bottom: .6em; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split img { border-radius: var(--radius); }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; gap: 28px; } }

/* ---------- Tables ---------- */
.info-table { width: 100%; border-collapse: collapse; background: #fff; }
.info-table th, .info-table td { border-bottom: 1px solid var(--line); padding: 18px 16px; text-align: left; vertical-align: top; }
.info-table th { width: 26%; color: var(--navy); background: var(--navy-light); font-weight: 700; white-space: nowrap; }
.info-table tr:first-child th, .info-table tr:first-child td { border-top: 2px solid var(--navy); }
@media (max-width: 640px) {
  .info-table th, .info-table td { display: block; width: 100%; }
  .info-table th { padding: 10px 14px; }
  .info-table td { padding: 12px 14px 18px; }
}

.data-table { width: 100%; border-collapse: collapse; font-size: 15px; background: #fff; }
.data-table th, .data-table td { border: 1px solid var(--line); padding: 8px 12px; text-align: center; }
.data-table thead th { background: var(--navy); color: #fff; }
.data-table tbody th { background: var(--navy-light); color: var(--navy); }
.table-scroll { overflow-x: auto; }

/* ---------- Timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 118px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline li { display: grid; grid-template-columns: 110px 1fr; gap: 32px; padding: 14px 0; position: relative; }
.timeline li::before { content: ""; position: absolute; left: 112px; top: 24px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--navy); }
.timeline time { font-weight: 700; color: var(--navy); }
@media (max-width: 560px) {
  .timeline::before { left: 6px; }
  .timeline li { grid-template-columns: 1fr; gap: 2px; padding-left: 32px; }
  .timeline li::before { left: 0; top: 20px; }
}

/* ---------- Process flow ---------- */
.flow { list-style: none; padding: 0; margin: 0 0 32px; display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; counter-reset: step; }
.flow li {
  counter-increment: step; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  text-align: center; padding: 14px 4px; font-weight: 700; color: var(--navy); position: relative; font-size: 14px; word-break: keep-all;
}
.flow li::before { content: counter(step, decimal-leading-zero); display: block; font-size: 11px; color: var(--accent); letter-spacing: .1em; }
@media (max-width: 900px) { .flow { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 480px) { .flow { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Spec list ---------- */
.spec { display: grid; grid-template-columns: 140px 1fr; border-top: 2px solid var(--navy); }
.spec dt, .spec dd { margin: 0; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.spec dt { background: var(--navy-light); color: var(--navy); font-weight: 700; }
.spec dd { background: #fff; }
.tags { display: flex; flex-wrap: wrap; gap: 6px 8px; list-style: none; margin: 0; padding: 0; }
.tags li { background: var(--bg-alt); border: 1px solid var(--line); border-radius: 4px; padding: 0 10px; font-size: 14px; }
@media (max-width: 560px) { .spec { grid-template-columns: 1fr; } .spec dt { padding: 8px 14px; } }

/* ---------- Contact ---------- */
.contact-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; text-align: center; }
.contact-box h3 { color: var(--navy); font-size: 18px; }
.contact-box .big { font-size: clamp(26px, 3.4vw, 34px); font-weight: 700; color: var(--navy); text-decoration: none; letter-spacing: .04em; display: inline-block; margin: 4px 0 8px; }
.contact-box .big:hover { color: var(--accent); }
.notice { background: var(--navy-light); border-radius: var(--radius); padding: 20px 24px; font-size: 15px; }

.cta-band { background: linear-gradient(120deg, var(--navy-dark), var(--navy)); color: #fff; padding: 64px 0; text-align: center; }
.cta-band h2 { font-size: clamp(22px, 2.8vw, 28px); }
.cta-band p { color: #d8e0ec; }
.cta-band .tel { font-size: clamp(26px, 3.6vw, 36px); font-weight: 700; color: #fff; text-decoration: none; display: inline-block; margin: 8px 0 4px; letter-spacing: .05em; }
.cta-band .btn-row { justify-content: center; margin-top: 20px; }

/* ---------- Map ---------- */
.map { position: relative; width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #eef1f5; }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- News ---------- */
.news-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.news-list li { display: flex; gap: 24px; padding: 18px 4px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.news-list time { color: var(--muted); font-size: 14px; min-width: 110px; }

/* ---------- Privacy ---------- */
.policy h2 { font-size: 19px; color: var(--navy); border-bottom: 2px solid var(--navy-light); padding-bottom: 6px; margin: 40px 0 14px; }
.policy h3 { font-size: 16px; margin: 24px 0 8px; }
.policy ul { padding-left: 1.4em; }
.policy li { margin-bottom: 4px; }
.narrow { max-width: 860px; margin: 0 auto; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-dark); color: #c7d0dd; padding: 56px 0 24px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; }
.footer-logo { background: #fff; display: inline-block; padding: 10px 14px; border-radius: 4px; margin-bottom: 16px; }
.footer-logo img { width: 170px; }
.site-footer address { font-style: normal; line-height: 1.9; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { color: #ffb48a; }
.footer-certs { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.footer-certs span { border: 1px solid rgba(255,255,255,.35); border-radius: 4px; padding: 2px 10px; font-size: 13px; color: #fff; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 40px; padding-top: 20px; text-align: center; font-size: 12px; color: #8e9bb0; }
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }

.group-table { width: 100%; border-collapse: collapse; background: #fff; table-layout: fixed; }
.group-table th, .group-table td { border-bottom: 1px solid var(--line); padding: 14px 16px; text-align: left; vertical-align: top; }
.group-table thead th { background: var(--navy); color: #fff; font-weight: 700; }
.group-table tbody th { width: 46%; color: var(--navy); font-weight: 700; background: transparent; }
.group-table tbody td { width: 54%; }
.group-table a { overflow-wrap: anywhere; word-break: break-word; }
.group-table .none { color: var(--muted); font-weight: 400; }
@media (max-width: 720px) {
  .group-table th, .group-table td { padding: 10px 10px; font-size: 14px; }
}