/* ==========================================================================
   Roald Co., Ltd. — Corporate Site Stylesheet
   設計コンセプト: 「羅針盤(コンパス)」をモチーフにした、信頼感のある
   白×水色×濃紺のコーポレートデザイン。
   ========================================================================== */

:root {
  /* --- Color tokens --- */
  --color-white: #ffffff;
  --color-ice: #eaf6fb;        /* 背景の薄い水色 */
  --color-ice-deep: #d7ebf4;   /* 罫線・境界 */
  --color-sky: #3fa9dd;        /* メインアクセント */
  --color-sky-dark: #1c7fb0;   /* ホバー・濃いアクセント */
  --color-navy: #0f3552;       /* 見出し・フッター背景 */
  --color-navy-soft: #2c5878;  /* ネイビーの中間色 */
  --color-text: #44535e;       /* 本文 */
  --color-text-light: #7c8b96; /* キャプション・補足 */
  --color-border: #d7ebf4;

  /* --- Type tokens --- */
  --font-display: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", sans-serif;
  --font-latin: "Outfit", sans-serif;

  /* --- Layout tokens --- */
  --max-width: 1120px;
  --header-height: 76px;
  --radius-s: 6px;
  --radius-m: 14px;
  --radius-l: 28px;
  --shadow-soft: 0 12px 32px rgba(15, 53, 82, 0.08);
  --shadow-card: 0 8px 24px rgba(15, 53, 82, 0.06);
  --transition: 0.25s ease;
}

/* --- Reset --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--color-navy); font-weight: 700; line-height: 1.4; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

:focus-visible {
  outline: 3px solid var(--color-sky);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-latin);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-sky-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--color-sky-dark);
}

.section-title {
  font-size: clamp(24px, 3.4vw, 34px);
  margin-bottom: 16px;
}
.section-lead {
  color: var(--color-text-light);
  max-width: 640px;
  margin-bottom: 48px;
}

.section { padding: 96px 0; }
.section--ice { background: var(--color-ice); }
.section--navy { background: var(--color-navy); color: rgba(255,255,255,0.85); }
.section--navy h2, .section--navy h3 { color: #fff; }

@media (max-width: 768px) {
  .section { padding: 64px 0; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-sky);
  color: #fff;
  box-shadow: 0 10px 24px rgba(63, 169, 221, 0.35);
}
.btn-primary:hover { background: var(--color-sky-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-ice-deep);
}
.btn-outline:hover { border-color: var(--color-sky); color: var(--color-sky-dark); transform: translateY(-2px); }
.section--navy .btn-outline, .hero .btn-outline { color: #fff; border-color: rgba(255,255,255,0.35); }
.section--navy .btn-outline:hover, .hero .btn-outline:hover { border-color: #fff; color: #fff; }

.btn svg { width: 16px; height: 16px; transition: transform var(--transition); }
.btn:hover svg { transform: translateX(3px); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  z-index: 200;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
/* 半透明＋ぼかし効果は擬似要素側に持たせる。
   .site-header 自体に backdrop-filter を付けると、ブラウザの仕様上
   このヘッダーが「position:fixedな子要素の基準点」になってしまい、
   スマホ用メニュー(.main-nav)がヘッダーの高さ(76px)に閉じ込められて
   正しく全画面表示されないバグの原因になっていたため。 */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(10px);
  z-index: -1;
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-ice-deep);
  box-shadow: 0 4px 20px rgba(15, 53, 82, 0.06);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
/* ── ヘッダーロゴ（横長タイプ）──
   images/logo.png を同名で上書きするだけで差し替えられます。
   サイズを変えたい場合は height の値を調整してください。 */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-img {
  height: 42px;        /* ロゴの表示高さ（横長ロゴは width が自動で追従） */
  width: auto;
  max-width: 220px;    /* 横幅の上限（スマホで大きくなりすぎないよう制限） */
  object-fit: contain;
  display: block;
}

/* ── フッターロゴ（白抜き版）──
   images/logo-white.png を同名で上書きするだけで差し替えられます。 */
.footer-logo-link { display: inline-block; }
.footer-logo-img {
  height: 46px;        /* フッター内のロゴ高さ */
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  margin-bottom: 16px;
}

.main-nav { display: flex; align-items: center; gap: 40px; }
.main-nav ul { display: flex; gap: 32px; }
.main-nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-navy);
  position: relative;
  padding: 8px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0%; height: 2px;
  background: var(--color-sky);
  transition: width var(--transition);
}
.main-nav a:hover::after,
.main-nav a.is-active::after { width: 100%; }
.main-nav a.is-active { color: var(--color-sky-dark); }

.nav-cta { display: none; }
@media (min-width: 1000px) { .nav-cta { display: inline-flex; padding: 14px 36px; gap: 12px; } }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  z-index: 210;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--color-navy);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    bottom: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 36px 28px;
    gap: 28px;
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 22px; width: 100%; }
  .main-nav a { font-size: 18px; display: block; }
  .nav-cta { display: inline-flex; padding: 14px 36px; gap: 12px; }
  .nav-toggle { display: flex; }
}

/* ==========================================================================
   Hero — コンパスのシグネチャー演出
   ========================================================================== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: radial-gradient(120% 100% at 18% 0%, #1b5f86 0%, var(--color-navy) 55%, #07233a 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  /* 等高線風パターン（南極の地形図をイメージ） */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-radial-gradient(circle at 82% 30%, rgba(255,255,255,0.07) 0, rgba(255,255,255,0.07) 1px, transparent 1px, transparent 46px);
  opacity: 0.6;
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: left; }
  .hero-compass-wrap { margin-top: 10px; justify-content: flex-start; }
}

.hero .eyebrow { color: #a9d8ec; }
.hero .eyebrow::before { background: #a9d8ec; }

.hero h1 {
  font-size: clamp(32px, 4.6vw, 54px);
  color: #fff;
  letter-spacing: 0.01em;
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-sky);
  background: linear-gradient(180deg, transparent 62%, rgba(63,169,221,0.35) 62%);
}
.hero p.lead {
  font-size: 17px;
  color: rgba(255,255,255,0.82);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* コンパスSVG */
.hero-compass-wrap {
  display: flex;
  justify-content: center;
  position: relative;
}
.compass {
  width: min(360px, 80vw);
  height: min(360px, 80vw);
}
.compass-ring-outer { fill: none; stroke: rgba(255,255,255,0.18); stroke-width: 1; }
.compass-ring-inner { fill: none; stroke: rgba(255,255,255,0.28); stroke-width: 1; stroke-dasharray: 2 6; }
.compass-tick { stroke: rgba(255,255,255,0.4); stroke-width: 1.5; }
.compass-label { fill: rgba(255,255,255,0.55); font-family: var(--font-latin); font-size: 11px; letter-spacing: 0.1em; }
.compass-needle {
  transform-origin: 180px 180px;
  animation: needle-settle 2.6s cubic-bezier(.2,.9,.25,1) both;
}
.compass-needle .needle-n { fill: var(--color-sky); }
.compass-needle .needle-s { fill: rgba(255,255,255,0.65); }
.compass-core { fill: #fff; }
.compass-wordmark { fill: #fff; font-family: var(--font-latin); font-size: 15px; font-weight: 600; letter-spacing: 0.18em; text-anchor: middle; }

@keyframes needle-settle {
  0%   { transform: rotate(120deg); }
  55%  { transform: rotate(-18deg); }
  75%  { transform: rotate(8deg); }
  100% { transform: rotate(0deg); }
}
@media (prefers-reduced-motion: reduce) {
  .compass-needle { animation: none; transform: rotate(0deg); }
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-latin);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.55);
  z-index: 2;
}
.scroll-cue .line { width: 1px; height: 30px; background: linear-gradient(180deg, rgba(255,255,255,0.6), transparent); animation: scroll-down 1.8s ease-in-out infinite; }
@keyframes scroll-down { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ==========================================================================
   Intro cards（会社概要・事業内容・News への導線）
   ========================================================================== */
.intro-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: -64px;
  position: relative;
  z-index: 5;
}
@media (max-width: 860px) { .intro-cards { grid-template-columns: 1fr; margin-top: -40px; } }

.intro-card {
  background: #fff;
  border-radius: var(--radius-m);
  padding: 36px 30px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-ice-deep);
  transition: transform var(--transition), box-shadow var(--transition);
}
.intro-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(15,53,82,0.12); }
.intro-card .icon-badge { margin-bottom: 18px; }
.intro-card h3 { font-size: 19px; margin-bottom: 10px; }
.intro-card p { font-size: 14.5px; color: var(--color-text-light); margin-bottom: 18px; }
.intro-card .card-link { font-size: 13.5px; font-weight: 600; color: var(--color-sky-dark); display: inline-flex; align-items: center; gap: 6px; }
.intro-card .card-link svg { width: 14px; height: 14px; }

.icon-badge {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--color-ice);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-sky-dark);
}
.icon-badge svg { width: 26px; height: 26px; }

/* ==========================================================================
   Philosophy / Waypoints（信頼・準備・行動）
   ========================================================================== */
.waypoints {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}
.waypoints::before {
  content: "";
  position: absolute;
  top: 27px; left: 8%; right: 8%;
  height: 0;
  border-top: 2px dashed var(--color-ice-deep);
  z-index: 0;
}
@media (max-width: 860px) {
  .waypoints { grid-template-columns: 1fr; gap: 36px; }
  .waypoints::before { display: none; }
}
.waypoint { position: relative; z-index: 1; text-align: left; }
.waypoint-marker {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-latin); font-weight: 700; font-size: 15px;
  margin-bottom: 22px;
  box-shadow: 0 8px 18px rgba(15,53,82,0.25);
}
.waypoint h3 { font-size: 19px; margin-bottom: 10px; }
.waypoint p { font-size: 14.5px; color: var(--color-text-light); }

.philosophy-quote {
  border-left: 3px solid var(--color-sky);
  padding-left: 24px;
  margin: 40px 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  color: var(--color-navy);
  line-height: 1.7;
}

/* ==========================================================================
   Business grid（事業内容）
   ========================================================================== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 980px) { .business-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .business-grid { grid-template-columns: 1fr; } }

.business-card {
  background: #fff;
  border: 1px solid var(--color-ice-deep);
  border-radius: var(--radius-m);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.business-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); }
.business-card .thumb {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-ice), #fff);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-sky);
  border-bottom: 1px solid var(--color-ice-deep);
  position: relative;
  overflow: hidden;
}
.business-card .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 8px; background: #fff; }
.business-card .thumb svg { width: 56px; height: 56px; }
.business-card .thumb .new-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--color-sky); color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  padding: 4px 10px; border-radius: 999px;
  font-family: var(--font-latin);
}
.business-card .body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.business-card h3 { font-size: 17px; margin-bottom: 8px; }
.business-card p { font-size: 14px; color: var(--color-text-light); flex: 1; margin-bottom: 16px; }
.business-card .tag {
  display: inline-block;
  font-size: 11.5px;
  color: var(--color-sky-dark);
  background: var(--color-ice);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
  width: fit-content;
  font-weight: 600;
}

/* 事業詳細ページ用：交互レイアウト */
.business-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 72px 0;
  border-bottom: 1px solid var(--color-ice-deep);
}
.business-detail:last-child { border-bottom: none; }
.business-detail:nth-child(even) .business-detail-media { order: 2; }
@media (max-width: 860px) {
  .business-detail { grid-template-columns: 1fr; gap: 28px; padding: 48px 0; }
  .business-detail:nth-child(even) .business-detail-media { order: 0; }
}
.business-detail-media {
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--color-ice);
  aspect-ratio: 4/3;
}
.gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 100%; height: 100%;
}
.gallery img { width: 100%; height: 100%; object-fit: contain; background: #fff; padding: 4px; }
.gallery.single { grid-template-columns: 1fr; }
.business-detail-body .icon-badge { margin-bottom: 20px; }
.business-detail-body h3 { font-size: 24px; margin-bottom: 14px; }
.business-detail-body p { color: var(--color-text-light); margin-bottom: 18px; }
.business-detail-body ul { display: flex; flex-direction: column; gap: 10px; }
.business-detail-body ul li { font-size: 14.5px; padding-left: 22px; position: relative; }
.business-detail-body ul li::before {
  content: "";
  position: absolute; left: 0; top: 8px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--color-sky);
}
.empty-gallery-note {
  font-size: 12.5px;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 20px;
}

/* ==========================================================================
   News
   ========================================================================== */
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: grid;
  grid-template-columns: 140px 100px 1fr auto;
  gap: 20px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-ice-deep);
  transition: padding-left var(--transition);
}
.news-item:hover { padding-left: 6px; }
.news-item:first-child { border-top: 1px solid var(--color-ice-deep); }
.news-date { font-family: var(--font-latin); color: var(--color-text-light); font-size: 14px; }
.news-cat {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.04em;
  color: var(--color-sky-dark); background: var(--color-ice);
  padding: 4px 10px; border-radius: 999px; text-align: center; width: fit-content;
}
.news-title { font-size: 15.5px; color: var(--color-navy); font-weight: 500; }
.news-arrow svg { width: 16px; height: 16px; color: var(--color-text-light); transition: transform var(--transition); }
.news-item:hover .news-arrow svg { transform: translateX(4px); color: var(--color-sky-dark); }
@media (max-width: 700px) {
  .news-item { grid-template-columns: 1fr; gap: 6px; }
  .news-arrow { display: none; }
}

.news-detail-card {
  background: #fff;
  border: 1px solid var(--color-ice-deep);
  border-radius: var(--radius-m);
  padding: 40px;
  margin-bottom: 18px;
}
.news-detail-card .meta { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; }
.news-detail-card h3 { font-size: 21px; margin-bottom: 16px; }
.news-detail-card .body-text { color: var(--color-text); white-space: pre-line; }
.news-detail-card img { border-radius: var(--radius-s); margin: 18px 0; }

.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--color-text-light);
  border: 1px dashed var(--color-ice-deep);
  border-radius: var(--radius-m);
}

/* ==========================================================================
   About page 専用
   ========================================================================== */
.profile-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}
.profile-table tr { border-bottom: 1px solid var(--color-ice-deep); }
.profile-table th, .profile-table td {
  text-align: left;
  padding: 18px 16px;
  font-size: 14.5px;
  vertical-align: top;
}
.profile-table th {
  width: 180px;
  color: var(--color-text-light);
  font-weight: 500;
}
.profile-table td { color: var(--color-navy); }

.origin-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) { .origin-block { grid-template-columns: 1fr; gap: 32px; } }
.origin-visual {
  background: linear-gradient(160deg, var(--color-navy), #133f60);
  border-radius: var(--radius-l);
  aspect-ratio: 1/1;
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
}
.origin-visual svg { width: 100%; height: 100%; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
}
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; gap: 36px; } }

.contact-info-card {
  background: var(--color-navy);
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-l);
  padding: 40px 32px;
  height: fit-content;
}
.contact-info-card h3 { color: #fff; font-size: 18px; margin-bottom: 18px; }
.contact-info-card .info-row { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; }
.contact-info-card .info-row svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; color: var(--color-sky); }
.contact-info-card .info-row .label { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 2px; }
.contact-info-card .info-row .value { font-size: 14.5px; }

.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 600; color: var(--color-navy); margin-bottom: 8px; }
.form-group .required { color: var(--color-sky-dark); font-size: 11px; margin-left: 6px; font-weight: 700; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-ice-deep);
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--color-navy);
  background: #fff;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--color-sky); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-note { font-size: 12.5px; color: var(--color-text-light); margin-top: -8px; margin-bottom: 22px; }
.honeypot-field { position: absolute; left: -9999px; opacity: 0; height: 0; }

.alert {
  padding: 16px 20px;
  border-radius: var(--radius-s);
  font-size: 14px;
  margin-bottom: 28px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: #e7f7ee; color: #1a7a4c; }
.alert-error { background: #fdecec; color: #b3261e; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.65);
  padding: 72px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }

.footer-brand p { font-size: 13.5px; max-width: 280px; color: rgba(255,255,255,0.55); }
.footer-col h4 { color: #fff; font-size: 13.5px; letter-spacing: 0.04em; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 13.5px; color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer-col a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 12.5px;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: #fff; }

/* ==========================================================================
   Page header（下層ページ共通の見出しバンド）
   ========================================================================== */
.page-banner {
  padding: calc(var(--header-height) + 64px) 0 64px;
  background: linear-gradient(160deg, var(--color-navy), #18476b);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 2px, transparent 2px 26px);
}
.page-banner .container { position: relative; z-index: 1; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,0.55); margin-bottom: 16px; display: flex; gap: 8px; }
.breadcrumb a { color: rgba(255,255,255,0.55); }
.breadcrumb a:hover { color: #fff; }
.page-banner h1 { color: #fff; font-size: clamp(26px, 4vw, 38px); }
.page-banner p { color: rgba(255,255,255,0.7); margin-top: 12px; max-width: 560px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; gap: 32px; } }

.cta-band {
  background: var(--color-ice);
  border-radius: var(--radius-l);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h3 { font-size: 22px; margin-bottom: 8px; }
.cta-band p { color: var(--color-text-light); }

/* ==========================================================================
   更新ガイドページ
   ========================================================================== */
.guide-toc {
  background: var(--color-ice);
  border-radius: var(--radius-m);
  padding: 28px 32px;
  margin-bottom: 56px;
}
.guide-toc h4 { font-size: 14px; margin-bottom: 14px; color: var(--color-navy); }
.guide-toc ol { display: flex; flex-direction: column; gap: 10px; padding-left: 20px; }
.guide-toc a { color: var(--color-sky-dark); font-weight: 600; font-size: 14.5px; }
.guide-toc a:hover { text-decoration: underline; }

.guide-section { padding: 48px 0; border-bottom: 1px solid var(--color-ice-deep); }
.guide-section:last-child { border-bottom: none; }
.guide-section h2 {
  display: flex; align-items: center; gap: 14px;
  font-size: 22px; margin-bottom: 18px;
}
.guide-step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--color-navy); color: #fff;
  font-family: var(--font-latin); font-weight: 700; font-size: 14px;
  flex-shrink: 0;
}
.guide-section p { margin-bottom: 14px; }
.guide-section ol, .guide-section ul.guide-list { padding-left: 22px; margin-bottom: 14px; display: flex; flex-direction: column; gap: 8px; }
.guide-section ol li, .guide-list li { font-size: 14.5px; }

.code-block {
  background: var(--color-navy);
  color: #d7ebf4;
  border-radius: var(--radius-s);
  padding: 20px 22px;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 13px;
  line-height: 1.7;
  overflow-x: auto;
  margin: 16px 0 20px;
  white-space: pre;
}
.code-block .cm { color: #7ea9c4; }
.code-block .str { color: #9fe3a8; }

.guide-note {
  background: #fff6e6;
  border: 1px solid #f0dcae;
  color: #8a6416;
  border-radius: var(--radius-s);
  padding: 16px 18px;
  font-size: 13.5px;
  margin: 16px 0;
  display: flex;
  gap: 10px;
}
.guide-note svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }

.guide-section code, .profile-table code {
  background: var(--color-ice);
  color: var(--color-sky-dark);
  padding: 2px 7px;
  border-radius: 4px;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 13px;
}

/* ==========================================================================
   Careers（採用情報）— トップページのバナーセクション／careers.html
   ========================================================================== */
.careers-layout {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) { .careers-layout { grid-template-columns: 1fr; gap: 32px; } }

.careers-points { display: flex; flex-direction: column; gap: 12px; margin-top: 22px; }
.careers-points li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: rgba(255,255,255,0.82); }
.careers-points svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--color-sky); }

.careers-cta-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-m);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.btn-block { width: 100%; justify-content: center; }
.section--navy .btn-outline.on-navy { color: #fff; border-color: rgba(255,255,255,0.35); }
.section--navy .btn-outline.on-navy:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* 採用情報ページ：募集要項テーブル内のステータスタグ */
.job-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--color-sky-dark);
  background: var(--color-ice);
  padding: 4px 12px;
  border-radius: 999px;
  margin-right: 8px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 12px;
}
@media (max-width: 860px) { .value-grid { grid-template-columns: 1fr; } }
.value-card {
  background: #fff;
  border: 1px solid var(--color-ice-deep);
  border-radius: var(--radius-m);
  padding: 30px 26px;
}
.value-card .icon-badge { margin-bottom: 16px; }
.value-card h3 { font-size: 17px; margin-bottom: 8px; }
.value-card p { font-size: 14px; color: var(--color-text-light); }