/* hibou-navi — 復元スタイルシート (2026-08-02 再構築)
   元テーマのstyle.cssが静的移行で失われたため、実HTMLのクラス棚卸しから再構築。 */

:root {
  --navy: #2f5f8f;
  --navy-dark: #234a71;
  --navy-deep: #1a3a55;
  --ink: #1f2a37;
  --muted: #5b6b7b;
  --line-green: #06c755;
  --line-green-dark: #05a648;
  --bg: #ffffff;
  --bg-alt: #f2f6fa;
  --border: #dbe4ec;
  --danger: #b3261e;
  --warn-bg: #fff7ed;
  --warn-border: #f5c98a;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(20, 40, 60, .08), 0 4px 14px rgba(20, 40, 60, .06);
  --maxw: 1080px;
}

/* ===== base ===== */
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Noto Sans JP", system-ui, -apple-system, "Hiragino Sans", sans-serif;
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--navy); }
h1, h2, h3, h4 { font-family: "Noto Serif JP", "Noto Sans JP", serif; line-height: 1.4; color: var(--ink); }
h2 { font-size: 1.5rem; margin: 2.2em 0 .8em; }
h3 { font-size: 1.2rem; margin: 1.8em 0 .6em; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.visually-hidden, .screen-reader-text {
  position: absolute !important; width: 1px; height: 1px;
  clip: rect(0 0 0 0); clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

/* ===== header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 18px;
}
.site-logo { text-decoration: none; display: flex; flex-direction: column; line-height: 1.3; }
.site-logo__name { font-weight: 700; font-size: 1.02rem; color: var(--ink); }
.site-logo__tag { font-size: .72rem; color: var(--navy); letter-spacing: .04em; }
.global-nav { margin-left: auto; }
.global-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.global-nav a {
  display: block; padding: 8px 10px; font-size: .88rem; text-decoration: none;
  color: var(--ink); border-radius: 6px;
}
.global-nav a:hover { background: var(--bg-alt); color: var(--navy); }
.header-cta { display: flex; gap: 8px; }
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px; margin-left: auto;
  background: none; border: 1px solid var(--border); border-radius: 8px; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== hero ===== */
.hero { background: linear-gradient(160deg, #f4f8fc 0%, #e8f0f8 100%); padding: 28px 0 36px; }
.hero-banner { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.hero-banner img { display: block; width: 100%; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 14px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 8px; }
.hero__disclaimer { font-size: .78rem; color: var(--muted); }

/* ===== buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px; border-radius: 8px; border: 1px solid transparent;
  font-weight: 700; font-size: .92rem; text-decoration: none; cursor: pointer;
  transition: filter .15s, background .15s;
}
.btn:hover { filter: brightness(1.06); }
.btn--primary { background: var(--navy); color: #fff; }
.btn--secondary { background: #fff; color: var(--navy); border-color: var(--navy); }
.btn--line { background: var(--line-green); color: #fff; }
.btn--line:hover { background: var(--line-green-dark); filter: none; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn--sm { padding: 7px 12px; font-size: .8rem; }
.btn--lg { padding: 14px 24px; font-size: 1rem; }
.btn--block { display: flex; width: 100%; }

/* ===== badges ===== */
.badge, .badges .badge {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: #fff; border: 1px solid var(--border);
  font-size: .74rem; color: var(--navy-dark); font-weight: 500;
}
.badge--supervised { background: var(--navy); color: #fff; border-color: var(--navy); }
.badges { display: flex; flex-wrap: wrap; gap: 6px; }

/* ===== sections ===== */
.section { padding: 44px 0; }
.section--alt { background: var(--bg-alt); }
.section-title { font-size: 1.55rem; margin: 0 0 10px; }
.section-lead { color: var(--muted); margin: 0 0 26px; max-width: 46em; }

/* ===== cards ===== */
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.card--link { display: block; text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; }
.card--link:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(20, 40, 60, .12); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--damage { grid-template-columns: repeat(3, 1fr); }
.damage-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.damage-card__more { color: var(--navy); font-weight: 700; font-size: .85rem; }
.platform-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.platform-card { font-size: .9rem; }
.step-card { position: relative; padding-top: 26px; }
.step-card__num {
  position: absolute; top: -16px; left: 16px;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--navy); color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 26px; }
.checklist-card ul { margin: 0; padding-left: 1.2em; }

/* ===== article cards ===== */
.article-card { overflow: hidden; padding: 0; }
.article-card__thumb { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.article-card__body { padding: 14px 16px 16px; }
.article-card__cat { font-size: .72rem; color: var(--navy); font-weight: 700; }
.article-card__meta { font-size: .74rem; color: var(--muted); }

/* ===== article layout ===== */
.article-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 34px;
  max-width: var(--maxw); margin: 0 auto; padding: 28px 20px 60px;
}
.article-header { grid-column: 1 / -1; }
.article-header h1 { font-size: 1.7rem; margin: .4em 0; }
.article-meta { font-size: .8rem; color: var(--muted); }
.breadcrumbs { font-size: .78rem; color: var(--muted); margin: 14px 0 4px; }
.breadcrumbs a { color: var(--muted); }
.prose h2 { border-left: 4px solid var(--navy); padding-left: .6em; }
.prose img { border-radius: 8px; }
.prose table { border-collapse: collapse; width: 100%; margin: 1.2em 0; font-size: .92rem; }
.prose th, .prose td, .fee-table th, .fee-table td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.prose th { background: var(--bg-alt); }
.sidebar { display: flex; flex-direction: column; gap: 18px; align-self: start; position: sticky; top: 78px; }
.sidebar-cta { text-align: center; }
.related-posts { margin-top: 40px; }
.article-cta { margin: 34px 0; }

/* ===== boxes ===== */
.warning-box {
  background: var(--warn-bg); border: 1px solid var(--warn-border);
  border-radius: 8px; padding: 14px 16px; margin: 1.2em 0; font-size: .92rem;
}
.disclaimer-box, .footer-disclaimer, .privacy-note {
  background: var(--bg-alt); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 16px; font-size: .8rem; color: var(--muted); margin: 1.2em 0;
}
.supervisor-box { display: flex; gap: 14px; align-items: flex-start; }
.supervisor-box__avatar { flex: 0 0 48px; }
.supervisor-box__avatar svg { width: 48px; height: 48px; }
.supervisor-box__body { font-size: .88rem; }
.result-block { border-left: 4px solid var(--navy); background: var(--bg-alt); padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 1em 0; }
.source { font-size: .78rem; color: var(--muted); }
.urgency-mid { color: var(--danger); font-weight: 700; }
.fee-amount { font-size: 1.3rem; font-weight: 700; color: var(--navy); }

/* ===== FAQ ===== */
.faq-item {
  border: 1px solid var(--border); border-radius: 8px;
  margin: 10px 0; background: #fff;
}
.faq-item summary {
  padding: 13px 16px; font-weight: 700; cursor: pointer; list-style: none; position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 16px; color: var(--navy); font-weight: 400; font-size: 1.2rem;
}
.faq-item[open] summary::after { content: "−"; }
.faq-a { padding: 0 16px 14px; font-size: .92rem; }

/* ===== LINE CTA ===== */
.line-cta {
  background: linear-gradient(150deg, #eafaf0, #d9f4e4);
  border: 1px solid #bfe9cf; border-radius: var(--radius);
  padding: 24px; text-align: center; margin: 2em 0;
}
.line-cta__buttons { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 14px 0 8px; }
.line-cta__note { font-size: .78rem; color: var(--muted); }
.line-fab {
  position: fixed; right: 16px; bottom: 76px; z-index: 60;
}
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  display: none; gap: 8px; padding: 10px 14px;
  background: rgba(255, 255, 255, .97); border-top: 1px solid var(--border);
}

/* ===== forms / wizard ===== */
.form-field { margin: 0 0 18px; }
.form-label { display: block; font-weight: 700; font-size: .9rem; margin-bottom: 6px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 10px 12px; font-size: 1rem;
  border: 1px solid var(--border); border-radius: 8px; background: #fff;
  font-family: inherit;
}
.form-input:focus, .form-textarea:focus, .form-select:focus { outline: 2px solid var(--navy); outline-offset: 1px; }
.form-help { font-size: .78rem; color: var(--muted); margin-top: 4px; }
.form-error { color: var(--danger); font-size: .8rem; margin-top: 4px; }
.req { color: var(--danger); font-size: .74rem; margin-left: 6px; }
.radio-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.radio-card {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: 8px; cursor: pointer; background: #fff;
}
.radio-card:has(input:checked) { border-color: var(--navy); background: #eef4fa; }
.check-item { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; }
.check-item__label { font-size: .95rem; }
.wizard-step { margin: 18px 0; }
.wizard-sub { color: var(--muted); font-size: .88rem; }
.wizard-nav { display: flex; gap: 10px; margin-top: 22px; }
.wizard-progress__dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  background: var(--border); margin-right: 6px;
}
.wizard-progress__dot.current, .wizard-progress__dot.is-active { background: var(--navy); }
.opt { font-size: .74rem; color: var(--muted); margin-left: 6px; }

/* ===== app download card ===== */
.app-download-card { display: flex; gap: 14px; align-items: flex-start; }
.app-download-card__icon { flex: 0 0 64px; border-radius: 14px; overflow: hidden; }
.app-download-card__body { font-size: .9rem; }
.app-download-card__buttons { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.app-download-card__note { font-size: .75rem; color: var(--muted); }

/* ===== pagination ===== */
.pagination, .nav-links { display: flex; gap: 6px; justify-content: center; margin: 32px 0; }
.page-numbers {
  display: inline-block; min-width: 38px; text-align: center; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 8px; text-decoration: none; color: var(--ink);
}
.page-numbers.current { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ===== footer ===== */
.site-footer { background: #16283a; color: #cfdbe6; margin-top: 60px; padding: 44px 0 0; font-size: .88rem; }
.site-footer a { color: #cfdbe6; }
.site-footer__grid {
  max-width: var(--maxw); margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}
.site-footer__grid ul { list-style: none; margin: 0; padding: 0; }
.site-footer__grid li { margin: 6px 0; }
.site-footer__bottom {
  margin-top: 30px; padding: 16px 20px; text-align: center;
  border-top: 1px solid rgba(255, 255, 255, .12); font-size: .76rem; color: #9fb2c4;
}
.site-footer .footer-disclaimer { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .12); color: #9fb2c4; }

/* ===== responsive ===== */
@media (max-width: 900px) {
  .card-grid, .card-grid--3, .card-grid--damage, .steps { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .site-footer__grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .global-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 8px 12px 14px;
  }
  .global-nav.is-open { display: block; }
  .global-nav ul { flex-direction: column; gap: 0; }
  .global-nav a { padding: 12px 10px; font-size: 1rem; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .card-grid, .card-grid--2, .card-grid--3, .card-grid--damage, .steps, .radio-cards { grid-template-columns: 1fr; }
  .sticky-cta { display: flex; }
  .sticky-cta .btn { flex: 1; }
  .line-fab { bottom: 84px; }
  .section { padding: 32px 0; }
}