@charset "utf-8";

/* =========================================================
   一般財団法人 田中角栄顕彰会 — 共通スタイル（白基調）
   色・書体はこの :root だけを直せば全ページに反映されます
   ========================================================= */

:root {
  /* 色 — メインビジュアルから採色 */
  --paper:       #FFFFFF;  /* 地色 */
  --paper-tint:  #F6F4F0;  /* セクションの切り替え地 */
  --ink:         #1A1A1A;  /* 墨（筆文字と同じ黒） */
  --ink-soft:    #55504A;  /* 補助テキスト */
  --ink-faint:   #8C857D;  /* 日付・注記 */
  --accent:      #D67E07;  /* 山吹（ロゴマークと同色） */
  --accent-deep: #A35F04;
  --accent-pale: #FBF1DF;
  --line:        rgba(26,26,26,.13);
  --line-soft:   rgba(26,26,26,.07);

  /* 書体 */
  --font-display: "Shippori Mincho", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  --font-body:    "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  --font-ui:      "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;

  /* 寸法 */
  --wrap: 1160px;
  --wrap-narrow: 800px;
  --header-h: 84px;

  /* 背景に敷く肖像の濃さ。0で非表示、上げるほど強くなります */
  --portrait-opacity: .30;
}

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 2.05;
  letter-spacing: .045em;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.5; }
p { margin: 0 0 1.7em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

/* ---------- 共通 ---------- */
.wrap { width: min(100% - 48px, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 48px, var(--wrap-narrow)); margin-inline: auto; }
.skip-link {
  position: absolute; left: 8px; top: -60px; z-index: 200;
  background: var(--ink); color: var(--paper);
  padding: 10px 18px; font-family: var(--font-ui); font-size: 14px;
  transition: top .2s;
}
.skip-link:focus { top: 8px; }

/* 山吹の帯 — メインビジュアルの「一般財団法人」と同じ意匠 */
.band {
  display: inline-block;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 13px; font-weight: 600;
  letter-spacing: .3em;
  padding: 6px 18px 6px 24px;
  line-height: 1.8;
  margin-bottom: 20px;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner {
  height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; }
.brand__band {
  background: var(--accent); color: var(--paper);
  font-family: var(--font-display); font-size: 10px;
  letter-spacing: .2em; padding: 4px 8px 4px 10px; line-height: 1.6;
  white-space: nowrap;
}
.brand__name {
  font-family: var(--font-display); font-weight: 700;
  font-size: 19px; letter-spacing: .14em; color: var(--ink);
}

.nav__list { display: flex; align-items: center; gap: 32px; }
.nav__link {
  font-family: var(--font-display);
  color: var(--ink); font-size: 15px; letter-spacing: .1em;
  padding: 6px 0; position: relative; transition: color .25s;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.nav__link:hover { color: var(--accent-deep); }
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }

.nav-toggle {
  display: none; width: 44px; height: 44px;
  background: none; border: 1px solid var(--line); cursor: pointer; position: relative;
}
.nav-toggle span {
  position: absolute; left: 11px; width: 22px; height: 1.5px;
  background: var(--ink); transition: transform .3s, opacity .3s;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  background: var(--paper);
  padding: calc(var(--header-h) + 52px) 0 0;
  text-align: center;
  overflow: hidden;
}

/* 背景に敷く肖像 — 切り抜かず、白へ溶かして「気配」だけ残す */
.hero__portrait {
  position: absolute;
  left: -4%; top: 0; bottom: 0;
  width: min(46%, 560px);
  pointer-events: none;
  user-select: none;
}
.hero__portrait img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: 52% 16%;
  /* モノクロ→わずかに温色へ。山吹のアクセントと色温度を揃える */
  filter: grayscale(1) sepia(.32) contrast(1.14);
  opacity: var(--portrait-opacity);
  -webkit-mask-image: radial-gradient(ellipse 62% 52% at 26% 38%, #000 0%, rgba(0,0,0,.62) 50%, transparent 92%);
          mask-image: radial-gradient(ellipse 62% 52% at 26% 38%, #000 0%, rgba(0,0,0,.62) 50%, transparent 92%);
  animation: ghostIn 2.4s ease .2s both;
}
@keyframes ghostIn {
  from { opacity: 0; transform: scale(1.035); }
  to   { opacity: var(--portrait-opacity); transform: none; }
}

.hero__visual {
  position: relative;
  width: min(100%, 940px); margin: 0 auto;
  animation: fadeUp 1.2s ease both;
}
.hero__lead {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.5vw, 18px);
  letter-spacing: .2em; line-height: 2.4;
  color: var(--ink-soft);
  margin: 8px 0 40px;
}
.hero__actions { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.hero__cue {
  width: 1px; height: 76px; margin: 60px auto 0;
  background: linear-gradient(180deg, var(--accent), rgba(214,126,7,0));
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- 下層ページの見出し ---------- */
.page-head {
  padding: calc(var(--header-h) + 60px) 0 52px;
  border-bottom: 1px solid var(--line-soft);
}
.page-head__ja {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(26px, 3.6vw, 40px); letter-spacing: .18em; color: var(--ink);
}
.page-head__en {
  display: block; margin-top: 12px;
  font-family: var(--font-ui); font-size: 11px;
  letter-spacing: .34em; color: var(--accent-deep); text-transform: uppercase;
}
.breadcrumb {
  font-family: var(--font-ui); font-size: 12px;
  letter-spacing: .1em; color: var(--ink-faint); margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--accent-deep); }
.breadcrumb span { margin: 0 .6em; }

/* ---------- セクション ---------- */
.section { padding: clamp(72px, 9vw, 120px) 0; }
.section--tint { background: var(--paper-tint); }

.heading {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: .18em; color: var(--ink);
  padding-bottom: 20px; margin-bottom: 40px;
  position: relative; display: block;
}
.heading::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 56px; height: 3px; background: var(--accent);
}
.heading--center { text-align: center; }
.heading--center::after { left: 50%; transform: translateX(-50%); }

/* ---------- 2カラム ---------- */
.split {
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: clamp(40px, 6vw, 88px); align-items: center;
}
.split--reverse .split__media { order: 2; }

.photo-single {
  position: relative;
  width: min(100%, 430px);
  margin-inline: auto;
}
.photo-single::before {
  content: ""; position: absolute;
  left: -20px; bottom: -20px; width: 100%; height: 100%;
  border: 1px solid var(--accent); pointer-events: none;
}
.photo-single img { position: relative; width: 100%; }
.photo-single figcaption {
  position: relative;
  font-family: var(--font-ui); font-size: 13px; letter-spacing: .06em;
  color: var(--ink-faint); margin-top: 16px;
}

.lead-accent { color: var(--accent-deep); font-weight: 500; }

/* ---------- 活動内容 ---------- */
.rule-list { border-top: 1px solid var(--line); }
.rule-list li {
  border-bottom: 1px solid var(--line);
  padding: 25px 0; display: flex; align-items: baseline; gap: 20px;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.7vw, 19px); letter-spacing: .08em;
}
.rule-list li::before {
  content: ""; flex: none; width: 26px; height: 2px;
  background: var(--accent); transform: translateY(-.4em);
}

.captioned { border: 1px solid var(--line); }
.captioned img { width: 100%; }
.media-wide { margin-top: clamp(48px, 6vw, 76px); }
.captioned figcaption {
  background: var(--accent); color: var(--paper);
  font-family: var(--font-ui); font-size: 13px; letter-spacing: .1em;
  line-height: 1.9;
  text-align: center; padding: 10px 14px;
}
/* 語の途中で折り返さないための塊 */
.nb { display: inline-block; }
/* スマホでだけ改行する */
.br-sp { display: none; }
.nb--date { margin-left: 1.6em; }
@media (max-width: 900px) {
  .br-sp { display: block; }
  .nb--date { margin-left: 0; }
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--font-display); font-size: 15px; letter-spacing: .14em;
  padding: 16px 38px; border: 1px solid var(--ink); color: var(--ink);
  background: transparent; cursor: pointer;
  transition: background .3s, color .3s, border-color .3s;
}
.btn::after { content: "→"; font-size: 13px; transition: transform .3s; }
.btn:hover { background: var(--ink); color: var(--paper); }
.btn:hover::after { transform: translateX(5px); }
.btn--solid { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.btn--solid:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--paper); }

/* ---------- お知らせ ---------- */
.news-list { border-top: 1px solid var(--line); }
.news-item { border-bottom: 1px solid var(--line); }
.news-item__link {
  display: grid; grid-template-columns: 124px 118px minmax(0,1fr);
  gap: 24px; align-items: baseline; padding: 25px 8px;
  transition: background .3s;
}
.news-item__link:hover { background: var(--accent-pale); }
.news-item__date {
  font-family: var(--font-ui); font-size: 14px;
  letter-spacing: .1em; color: var(--ink-faint);
}
.news-item__cat {
  font-family: var(--font-ui); font-size: 12px; letter-spacing: .1em;
  text-align: center; padding: 4px 10px; line-height: 1.7;
  border: 1px solid var(--accent); color: var(--accent-deep);
  justify-self: start; align-self: center;
}
.news-item__title {
  font-family: var(--font-display); font-size: 17px;
  letter-spacing: .06em; line-height: 1.8;
}
.news-empty { padding: 40px 0; color: var(--ink-faint); font-family: var(--font-ui); }

/* 記事 */
.article { padding: clamp(52px, 7vw, 88px) 0 clamp(72px, 9vw, 112px); }
.article__meta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 20px; }
.article__date { font-family: var(--font-ui); font-size: 14px; letter-spacing: .1em; color: var(--ink-faint); }
.article__cat {
  font-family: var(--font-ui); font-size: 12px; letter-spacing: .1em;
  border: 1px solid var(--accent); color: var(--accent-deep); padding: 4px 12px;
}
.article__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(22px, 3vw, 31px); letter-spacing: .08em; line-height: 1.6;
  padding-bottom: 28px; margin-bottom: 44px; border-bottom: 1px solid var(--line);
}
.article__body h2 {
  font-family: var(--font-display); font-size: 20px; letter-spacing: .1em;
  margin: 2.4em 0 1em; padding-left: 16px; border-left: 3px solid var(--accent);
}
.article__body a { color: var(--accent-deep); text-decoration: underline; }
.article__body h3 { font-family: var(--font-display); font-size: 17px; letter-spacing: .1em; margin: 2.2em 0 .6em; }
.profile__name {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  padding-bottom: 10px; border-bottom: 1px solid var(--line);
}
.profile__kana { font-family: var(--font-ui); font-size: 12px; font-weight: 400; color: var(--ink-faint); letter-spacing: .08em; }
.article__body .profile__name + p { margin-top: 1em; }
.article__body figure { margin: 2.4em 0; }
.article__body figcaption {
  font-family: var(--font-ui); font-size: 13px; color: var(--ink-faint);
  margin-top: 10px; text-align: center;
}
.article__foot { margin-top: 60px; padding-top: 32px; border-top: 1px solid var(--line); }

/* ---------- 概要 ---------- */
.spec { width: 100%; border-collapse: collapse; }
.spec th, .spec td {
  border-bottom: 1px solid var(--line);
  padding: 22px 8px; text-align: left; vertical-align: top;
  font-size: 16px; line-height: 1.95;
}
.spec th {
  width: 210px; font-family: var(--font-display); font-weight: 600;
  letter-spacing: .12em; white-space: nowrap; color: var(--ink);
}
.spec tr:first-child th, .spec tr:first-child td { border-top: 1px solid var(--line); }

.officers {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 16px 52px;
  font-family: var(--font-display); font-size: 18px; letter-spacing: .14em;
}
.officers__label {
  text-align: center; font-family: var(--font-display); font-weight: 700;
  letter-spacing: .34em; margin-bottom: 26px;
}
.divider-short { width: 56px; height: 3px; margin: 52px auto; background: var(--accent); }
.address-block { text-align: center; line-height: 2.4; }

/* ---------- フォーム ---------- */
.form { display: grid; gap: 28px; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.field { display: grid; gap: 10px; }
.field__label {
  font-family: var(--font-display); font-size: 15px; letter-spacing: .12em;
  display: flex; align-items: center; gap: 12px;
}
.tag-req, .tag-opt {
  font-family: var(--font-ui); font-size: 11px; letter-spacing: .08em;
  padding: 3px 9px; line-height: 1.6;
}
.tag-req { background: var(--accent); color: var(--paper); }
.tag-opt { border: 1px solid var(--line); color: var(--ink-faint); }
.field input, .field select, .field textarea {
  font-family: var(--font-body); font-size: 16px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line);
  padding: 15px 16px; width: 100%;
  transition: border-color .25s, box-shadow .25s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(214,126,7,.16); outline: none;
}
.field textarea { min-height: 210px; resize: vertical; line-height: 1.9; }
.field__note { font-family: var(--font-ui); font-size: 13px; color: var(--ink-faint); }
.consent {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--accent-pale); padding: 22px; margin-top: 8px;
}
.consent input { margin-top: .5em; width: 18px; height: 18px; flex: none; accent-color: var(--accent-deep); }
.consent label { font-size: 15px; }
.form__submit { text-align: center; margin-top: 12px; }
.form-status {
  font-family: var(--font-ui); font-size: 14px; text-align: center;
  padding: 16px; margin-top: 20px; display: none;
}
.form-status[data-state="error"] { display: block; background: #F8ECE9; color: #8A342A; }
.form-status[data-state="ok"] { display: block; background: #EDF2E9; color: #3A5A2E; }

.privacy-box {
  border: 1px solid var(--line); padding: 28px;
  font-size: 14px; line-height: 2; max-height: 260px; overflow-y: auto;
  background: var(--paper-tint);
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--paper-tint); color: var(--ink-soft);
  padding: 68px 0 36px; border-top: 1px solid var(--line-soft);
}
.site-footer__grid {
  display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1fr);
  gap: 48px; padding-bottom: 44px; border-bottom: 1px solid var(--line);
}
.site-footer__brand {
  font-family: var(--font-display); font-weight: 700; color: var(--ink);
  font-size: 20px; letter-spacing: .16em; margin: 0 0 18px;
}
.site-footer address { font-style: normal; font-size: 14px; line-height: 2.2; }
.site-footer address a { transition: color .25s; }
.site-footer address a:hover { color: var(--accent-deep); }
.footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; align-content: start; }
.footer-nav a {
  font-family: var(--font-display); font-size: 14px; letter-spacing: .1em;
  color: var(--ink-soft); transition: color .25s;
}
.footer-nav a:hover { color: var(--accent-deep); }
.copyright {
  font-family: var(--font-ui); font-size: 12px; letter-spacing: .1em;
  color: var(--ink-faint); text-align: center; padding-top: 30px;
}

/* ---------- 画像プレースホルダ ---------- */
.ph {
  display: grid; place-content: center; gap: 6px;
  background: repeating-linear-gradient(45deg, #F3F0EB, #F3F0EB 12px, #EDE9E2 12px, #EDE9E2 24px);
  border: 1px dashed var(--accent);
  color: var(--accent-deep);
  font-family: var(--font-ui); font-size: 12px; letter-spacing: .05em;
  text-align: center; padding: 24px; min-height: 190px; aspect-ratio: 4 / 3;
}
.ph b { font-size: 13px; font-weight: 500; }
.ph small { color: var(--ink-faint); }

/* ---------- 出現アニメーション ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s ease, transform .9s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 900px) {
  :root { --header-h: 64px; }
  .wrap, .wrap-narrow { width: min(100% - 32px, var(--wrap)); }

  .brand__band { display: none; }
  .brand__name { font-size: 17px; }

  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: rgba(255,255,255,.99);
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .4s ease;
  }
  .nav[data-open="true"] { max-height: 70vh; overflow-y: auto; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0 20px; }
  .nav__link { display: block; padding: 16px 24px; font-size: 16px; }
  .nav__link::after { display: none; }

  .hero { padding-top: calc(var(--header-h) + 28px); }
  .hero__portrait { left: -18%; width: 78%; }
  .hero__portrait img {
    opacity: calc(var(--portrait-opacity) * .62);
    -webkit-mask-image: radial-gradient(ellipse 60% 42% at 34% 30%, #000 0%, rgba(0,0,0,.55) 48%, transparent 90%);
            mask-image: radial-gradient(ellipse 60% 42% at 34% 30%, #000 0%, rgba(0,0,0,.55) 48%, transparent 90%);
  }
  .hero__cue { height: 56px; margin-top: 44px; }

  .split { grid-template-columns: 1fr; gap: 44px; }
  .split--reverse .split__media { order: 0; }
  .photo-single::before { left: -12px; bottom: -12px; }

  .news-item__link { grid-template-columns: 1fr; gap: 8px; padding: 22px 4px; }
  .news-item__cat { justify-self: start; }

  .spec th, .spec td { display: block; width: 100%; }
  .spec th { border-bottom: none; padding-bottom: 0; }
  .spec td { padding-top: 8px; }

  .site-footer__grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  .officers { gap: 12px 28px; font-size: 16px; }
  .btn { width: 100%; justify-content: center; }
  .hero__actions { gap: 12px; }
}