@charset "UTF-8";

/* ==========================================================================
   一般社団法人日本戦没者鎮魂協会
   共通スタイルシート
   ========================================================================== */

:root {
  /* 色 */
  --navy:        #16243D;
  --navy-deep:   #0E1829;
  --navy-mid:    #24395C;
  --navy-line:   #35496B;
  --gold:        #C1A15A;
  --gold-soft:   #E6D9B4;
  --crimson:     #9E2B25;
  --ink:         #1F2429;
  --gray:        #5C6875;
  --gray-light:  #8A94A1;
  --rule:        #D9DFE7;
  --wash:        #EFF2F6;
  --wash-deep:   #E3E9F0;
  --white:       #FFFFFF;

  /* 書体 */
  --serif: "Noto Serif JP", "Yu Mincho", "游明朝", YuMincho, "Hiragino Mincho ProN", serif;
  --sans:  "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;

  /* 寸法 */
  --shell: 1120px;
  --shell-narrow: 760px;
  --header-h: 76px;
}

/* --------------------------------------------------------------- リセット */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink);
  background: var(--white);
  font-feature-settings: "palt";
}

img, svg { max-width: 100%; height: auto; vertical-align: middle; }
a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 0.25em; }
a:hover { color: var(--crimson); }
ul, ol { padding-left: 1.4em; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; line-height: 1.5; margin: 0; letter-spacing: 0.02em; }
p { margin: 0 0 1.4em; }
p:last-child { margin-bottom: 0; }

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

.skip-link {
  position: absolute; left: 8px; top: -60px; z-index: 200;
  background: var(--navy); color: #fff; padding: 10px 18px; border-radius: 3px;
  transition: top .15s;
}
.skip-link:focus { top: 8px; color: #fff; }

/* ------------------------------------------------------------- レイアウト */
.shell { width: min(100% - 48px, var(--shell)); margin-inline: auto; }
.shell-narrow { width: min(100% - 48px, var(--shell-narrow)); margin-inline: auto; }

.section { padding: 96px 0; }
.section--wash { background: var(--wash); }
.section--navy { background: var(--navy); color: #fff; }
.section--navy h2, .section--navy h3 { color: #fff; }
.section--tight { padding: 64px 0; }

.section-head { margin-bottom: 48px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 34px); }
.section-head p { margin: 14px 0 0; color: var(--gray); font-size: 15px; }
.section--navy .section-head p { color: #AEBCCE; }

/* ---------------------------------------------------------------- ヘッダー */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); }
.brand img { width: 42px; height: 42px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-sub { font-size: 10.5px; color: var(--gray); letter-spacing: .08em; }
.brand-name { font-family: var(--serif); font-size: 18px; font-weight: 700; letter-spacing: .04em; }

.gnav ul { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.gnav a { font-size: 14px; text-decoration: none; color: var(--ink); padding: 6px 0; border-bottom: 2px solid transparent; }
.gnav a:hover, .gnav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--gold); }
.gnav .gnav-cta {
  background: var(--navy); color: #fff; padding: 10px 20px; border-radius: 3px; border-bottom: none;
}
.gnav .gnav-cta:hover { background: var(--navy-mid); color: #fff; border-bottom: none; }

.nav-toggle {
  display: none; align-items: center; gap: 8px;
  background: none; border: 1px solid var(--rule); border-radius: 3px;
  padding: 9px 14px; font: inherit; font-size: 13px; color: var(--navy); cursor: pointer;
}
.nav-toggle .bars { display: block; width: 16px; height: 10px; position: relative; }
.nav-toggle .bars::before, .nav-toggle .bars::after, .nav-toggle .bars span {
  content: ""; position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--navy);
}
.nav-toggle .bars::before { top: 0; }
.nav-toggle .bars span { top: 4.5px; }
.nav-toggle .bars::after { bottom: 0; }

/* ------------------------------------------------------------------ ヒーロー */
.hero {
  position: relative;
  min-height: min(80vh, 680px);
  display: flex; align-items: center;
  background: var(--navy-deep) center 58% / cover no-repeat;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(9,16,29,.86) 0%, rgba(10,18,32,.46) 44%, rgba(9,16,29,.58) 100%),
    linear-gradient(180deg, rgba(9,16,29,.45) 0%, rgba(9,16,29,0) 38%);
}
.hero-inner {
  position: relative; z-index: 2;
  width: min(100% - 48px, var(--shell)); margin-inline: auto; padding: 64px 0;
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 72px; align-items: center;
}

.hero-vertical {
  grid-column: 2; grid-row: 1 / 3;
  writing-mode: vertical-rl;
  white-space: nowrap;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 2;
  letter-spacing: .14em;
  color: #fff;
  height: 490px;
  margin: 0;
  text-shadow: 0 2px 24px rgba(0,0,0,.5);
}
.hero-vertical .accent { color: var(--gold-soft); }

.hero-lede {
  grid-column: 1; grid-row: 1; align-self: end;
  margin: 0 0 24px;
  max-width: 30em;
  color: #C9D5E4;
  font-size: 15px;
  line-height: 2.1;
}
.hero-meta {
  grid-column: 1; grid-row: 2; align-self: start;
  margin: 0; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.18);
  display: flex; flex-wrap: wrap; gap: 32px;
  color: var(--gold-soft); font-family: var(--serif); font-size: 15px;
}
.hero-meta b { font-size: 25px; font-weight: 700; margin-right: 4px; }

@media (prefers-reduced-motion: no-preference) {
  .hero-vertical { animation: rise 1.1s cubic-bezier(.2,.7,.3,1) both; }
  .hero-lede, .hero-meta { animation: rise .9s .35s cubic-bezier(.2,.7,.3,1) both; }
  @keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
}

/* --------------------------------------------------------- 下層ページヘッダ */
.page-head { background: var(--navy); color: #fff; padding: 64px 0 56px; }
.page-head h1 { font-size: clamp(28px, 4vw, 40px); color: #fff; }
.page-head p { margin: 16px 0 0; color: #AEBCCE; font-size: 15px; }

.breadcrumb { background: var(--wash); border-bottom: 1px solid var(--rule); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 12px 0; font-size: 12.5px; color: var(--gray); }
.breadcrumb li + li::before { content: "／"; margin-right: 10px; color: var(--gray-light); }
.breadcrumb a { color: var(--gray); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ------------------------------------------------------------------ 数字 */
.figures { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--navy-line); border: 1px solid var(--navy-line); }
.figure { background: var(--navy); padding: 34px 26px; }
.figure dt { font-size: 13px; color: #A9B7C9; margin-bottom: 10px; }
.figure dd { margin: 0; font-family: var(--serif); font-size: clamp(30px, 4vw, 40px); font-weight: 700; color: #fff; line-height: 1.2; }
.figure dd .unit { font-size: 15px; margin-left: 4px; color: #A9B7C9; }
.figure dd.is-alert { color: #E58C86; }
.figure dd.is-key { color: var(--gold); }
.figure .note { display: block; margin-top: 12px; font-family: var(--sans); font-size: 12px; color: #93A2B5; line-height: 1.8; }

.source { margin-top: 20px; font-size: 12px; color: var(--gray); }
.section--navy .source { color: #8A9AB0; }

/* ----------------------------------------------------------- 2カラム対比 */
.contrast { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--rule); }
.contrast > div { padding: 40px 48px 40px 0; }
.contrast > div + div { padding: 40px 0 40px 48px; border-left: 1px solid var(--rule); }
.contrast h3 { font-size: 20px; margin-bottom: 20px; }
.contrast .lead-mark { color: var(--gold); }
.contrast ul { margin: 0; padding-left: 1.2em; }
.contrast li { margin-bottom: 14px; }
.contrast li:last-child { margin-bottom: 0; }

/* --------------------------------------------------------------- 事業一覧 */
.biz { border-top: 1px solid var(--rule); }
.biz-item { display: grid; grid-template-columns: 56px 1fr 1.2fr; gap: 28px; align-items: start; padding: 30px 0; border-bottom: 1px solid var(--rule); }
.biz-num { font-family: var(--serif); font-size: 22px; color: var(--gold); line-height: 1.4; }
.biz-item h3 { font-size: 19px; }
.biz-item h3 a { text-decoration: none; }
.biz-item p { margin: 0; font-size: 14.5px; color: var(--gray); }
.biz-item--key { background: linear-gradient(90deg, rgba(193,161,90,.07), transparent 70%); }

/* ------------------------------------------------------------- 深度の図 */
.depth { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.depth-scale { width: 100%; }
.depth-list { list-style: none; margin: 0; padding: 0; }
.depth-list li { padding: 18px 0; border-bottom: 1px solid var(--navy-line); }
.depth-list li:first-child { border-top: 1px solid var(--navy-line); }
.depth-list b { font-family: var(--serif); font-size: 26px; color: var(--gold); margin-right: 14px; }
.depth-list span { font-size: 14px; color: #BCC9DA; }

/* ------------------------------------------------------------------ フロー */
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.flow-step { position: relative; background: var(--navy); color: #fff; padding: 24px 18px 22px; }
.flow-step.is-key { background: var(--crimson); }
.flow-step .tag { font-size: 11px; color: var(--gold-soft); }
.flow-step.is-key .tag { color: #F0C9C6; }
.flow-step h3 { font-size: 22px; margin: 6px 0 10px; }
.flow-step p { margin: 0; font-size: 12.5px; line-height: 1.85; color: #BCC9DA; }
.flow-step.is-key p { color: #EBC9C7; }
.flow-step:not(:last-child)::after {
  content: ""; position: absolute; top: 50%; right: -10px; z-index: 2;
  transform: translateY(-50%);
  border-left: 7px solid var(--gold); border-top: 5px solid transparent; border-bottom: 5px solid transparent;
}

/* -------------------------------------------------------------- カード群 */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.cards--4 .card { padding: 26px 22px; }
.card { border: 1px solid var(--rule); padding: 28px 26px; background: var(--white); }
.card h3 { font-size: 18px; margin-bottom: 12px; }
.card p { font-size: 14.5px; color: var(--gray); margin: 0; }
.card a.card-link { display: inline-block; margin-top: 16px; font-size: 14px; }

/* -------------------------------------------------------------- 本文組み */
.prose { max-width: 42em; }
.prose h2 { font-size: 26px; margin: 56px 0 20px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 19px; margin: 36px 0 14px; }
.prose ul, .prose ol { margin: 0 0 1.4em; }
.prose li { margin-bottom: 8px; }
.prose-wide { max-width: none; }

.quote-block {
  border-left: 3px solid var(--gold);
  padding: 4px 0 4px 24px;
  margin: 0 0 1.6em;
  color: var(--gray);
  font-size: 15px;
}

.callout { background: var(--wash); border: 1px solid var(--wash-deep); padding: 28px 30px; }
.callout h3 { font-size: 18px; margin-bottom: 12px; }
.callout p:last-child { margin-bottom: 0; }
.callout--navy { background: var(--navy); border-color: var(--navy); color: #fff; }
.callout--navy h3 { color: var(--gold); }
.callout--navy p { color: #C2CFDE; }

/* ---------------------------------------------------------------- 表組み */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.data th, table.data td { padding: 16px 18px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
table.data th { width: 12em; font-weight: 700; color: var(--navy); background: var(--wash); }
table.data tr:first-child th, table.data tr:first-child td { border-top: 1px solid var(--rule); }

/* ---------------------------------------------------------------- 一覧 */
.news-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.news-list li { border-bottom: 1px solid var(--rule); }
.news-list a, .news-list .no-link { display: grid; grid-template-columns: 8em 8em 1fr; gap: 20px; align-items: baseline; padding: 22px 0; text-decoration: none; color: var(--ink); }
.news-list a:hover { color: var(--crimson); }
.news-list time { font-family: var(--serif); font-size: 14px; color: var(--gray); }
.news-cat { font-size: 11.5px; color: var(--navy); border: 1px solid var(--rule); background: var(--wash); padding: 3px 0; text-align: center; }
.news-list .title { font-size: 15.5px; }

/* ---------------------------------------------------------------- ボタン */
.btn {
  display: inline-block; padding: 16px 38px; border-radius: 3px;
  font-size: 15px; text-decoration: none; border: 1px solid transparent; cursor: pointer;
  font-family: var(--sans); transition: background-color .15s, color .15s;
}
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-mid); color: #fff; }
.btn--gold { background: var(--gold); color: var(--navy); }
.btn--gold:hover { background: var(--gold-soft); color: var(--navy); }
.btn--ghost { border-color: var(--rule); color: var(--navy); background: #fff; }
.btn--ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }

/* ---------------------------------------------------------------- フォーム */
.form { max-width: 720px; }
.form-row { margin-bottom: 28px; }
.form-row > label, .form-legend { display: block; font-size: 14.5px; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.req { font-size: 11.5px; color: var(--crimson); border: 1px solid currentColor; padding: 1px 6px; margin-left: 10px; vertical-align: 2px; font-weight: 400; }
.opt { font-size: 11.5px; color: var(--gray); border: 1px solid var(--rule); padding: 1px 6px; margin-left: 10px; vertical-align: 2px; font-weight: 400; }

.form input[type="text"], .form input[type="email"], .form input[type="tel"], .form select, .form textarea {
  width: 100%; padding: 13px 15px; font: inherit; font-size: 15.5px; color: var(--ink);
  border: 1px solid var(--rule); border-radius: 3px; background: #fff;
}
.form textarea { min-height: 210px; line-height: 1.9; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--navy); outline: 2px solid rgba(193,161,90,.45); outline-offset: 1px; }
.form .hint { margin: 8px 0 0; font-size: 12.5px; color: var(--gray); }
.form .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.consent { background: var(--wash); border: 1px solid var(--wash-deep); padding: 20px 22px; }
.consent label { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; cursor: pointer; }
.consent input { margin-top: 6px; width: 18px; height: 18px; flex: none; }

.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.field-error { display: block; margin-top: 7px; font-size: 13px; color: var(--crimson); }
.is-invalid { border-color: var(--crimson) !important; }

.form-status { margin-top: 28px; padding: 20px 24px; font-size: 14.5px; display: none; }
.form-status.is-ok { display: block; background: #F2F6F2; border: 1px solid #C3D8C3; color: #2A5A33; }
.form-status.is-ng { display: block; background: #FDF3F2; border: 1px solid #E3BFBC; color: var(--crimson); }
.is-sending { opacity: .55; pointer-events: none; }

/* ---------------------------------------------------------------- フッター */
.site-footer { background: var(--navy-deep); color: #9FB0C4; padding: 72px 0 32px; font-size: 13.5px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
.footer-brand .name { font-family: var(--serif); font-size: 19px; color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 13px; line-height: 2; margin: 0; }
.site-footer h2 { font-size: 13px; color: var(--gold); margin-bottom: 16px; font-family: var(--sans); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 11px; }
.site-footer a { color: #9FB0C4; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-bottom { margin-top: 56px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; font-size: 12px; }

/* ---------------------------------------------------------------- 補助 */
.mt-0 { margin-top: 0; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.center { text-align: center; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ================================================================
   レスポンシブ
   ================================================================ */
@media (max-width: 1000px) {
  .figures { grid-template-columns: repeat(2, 1fr); }
  .cards--4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .flow-step:nth-child(3)::after { display: none; }
  .depth { grid-template-columns: 1fr; gap: 36px; }
  .biz-item { grid-template-columns: 44px 1fr; }
  .biz-item p { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .shell, .shell-narrow { width: calc(100% - 36px); }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 32px; }

  .nav-toggle { display: inline-flex; }
  .gnav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: #fff; border-bottom: 1px solid var(--rule);
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
    display: none;
  }
  .gnav.is-open { display: block; }
  .gnav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 8px 18px 24px; }
  .gnav li { border-bottom: 1px solid var(--rule); }
  .gnav a { display: block; padding: 16px 4px; font-size: 15px; border-bottom: none; }
  .gnav .gnav-cta { text-align: center; margin-top: 18px; padding: 15px; }
  .gnav li:last-child { border-bottom: none; }

  .hero { min-height: auto; padding: 48px 0 44px; }
  .hero-inner { display: block; padding: 0; }
  .hero-vertical {
    writing-mode: horizontal-tb; white-space: normal;
    height: auto; margin: 0; letter-spacing: .06em; line-height: 1.8;
    font-size: clamp(22px, 6.2vw, 29px);
  }
  .hero-lede { margin: 32px 0 0; max-width: none; }
  .hero-meta { margin-top: 26px; }
  .hero-meta { gap: 24px; }
  .hero-meta b { font-size: 21px; }

  .contrast { grid-template-columns: 1fr; }
  .contrast > div { padding: 32px 0; border-bottom: 1px solid var(--rule); }
  .contrast > div + div { padding: 32px 0; border-left: none; border-bottom: none; }

  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step::after { display: none !important; }

  .news-list a, .news-list .no-link { grid-template-columns: 7em 1fr; gap: 6px 16px; }
  .news-list .title { grid-column: 1 / -1; }

  .form .two-col { grid-template-columns: 1fr; gap: 28px; }
  table.data th, table.data td { display: block; width: auto; }
  table.data th { border-bottom: none; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .page-head { padding: 44px 0 40px; }
}

@media (max-width: 480px) {
  .figures { grid-template-columns: 1fr; }
  .cards--4 { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .brand-name { font-size: 16px; }
  .brand img { width: 36px; height: 36px; }
}

@media print {
  .site-header, .gnav, .nav-toggle, .breadcrumb, .btn-row { display: none !important; }
  body { font-size: 11pt; }
  .hero::after { display: none; }
}