:root {
      --color-ink: #232f3d;
      --color-ink-soft: #36465a;
      --color-navy: #014577;
      --color-navy-deep: #013157;
      --color-paper: #f6f1e8;
      --color-paper-deep: #efe8da;
      --color-paper-accent: #f0e7d6;
      --color-sky: #c7e4f9;
      --color-sky-soft: #e7f3fc;
      --color-gold: #a3854f;
      --color-gold-soft: #c4ad84;

      --color-text: #28323f;
      --color-muted: #6c7480;
      --color-white: #ffffff;
      --color-red: #b23a32;
      --color-red-deep: #8c2d27;

      --space-8: 8px;
      --space-16: 16px;
      --space-24: 24px;
      --space-32: 32px;
      --space-40: 40px;
      --space-48: 48px;
      --space-64: 64px;
      --space-80: 80px;
      --space-96: 96px;
      --space-128: 128px;

      --radius: 2px;
      --radius-large: 4px;
      --shadow-soft: 0 18px 48px rgba(1, 69, 119, 0.07);

      --serif: "Shippori Mincho", serif;
      --sans: "Noto Sans JP", sans-serif;
      --line: rgba(35, 47, 61, 0.12);
      --line-navy: rgba(1, 69, 119, 0.18);

      --header-h: 64px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      padding-top: var(--header-h);
      font-family: var(--sans);
      font-size: 16px;
      line-height: 2.05;
      color: var(--color-text);
      background:
        radial-gradient(circle at 100% -2%, rgba(199, 228, 249, 0.5), transparent 420px),
        linear-gradient(180deg, #fbfcfe 0%, #ffffff 45%, #f6f4ef 100%);
      letter-spacing: 0.045em;
      font-feature-settings: "palt";
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    p {
      margin: 0;
    }

    ul {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    figure {
      margin: 0;
    }

    .page {
      overflow: hidden;
    }

    .container {
      width: min(100% - 40px, 720px);
      margin: 0 auto;
    }

    /* ====== Header (sticky / PC・モバイル共通) ====== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 40;
      background: rgba(251, 252, 254, 0.92);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line-navy);
    }

    .site-header__inner {
      position: relative;
      z-index: 42;
      height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-16);
      width: min(100% - 32px, 1440px);
      margin: 0 auto;
    }

    /* ロゴ（画像差し替え用） */
    .site-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      flex: 0 1 330px;
    }

    .site-logo__img {
      height: 48px;
      flex: 0 0 auto;
      width: auto;
      display: block;
    }

    .site-logo__title {
      max-width: 14em;
      min-width: 0;
      color: var(--color-navy-deep);
      font-family: var(--serif);
      font-size: clamp(12px, 2.8vw, 16px);
      font-weight: 700;
      line-height: 1.28;
      letter-spacing: 0.02em;
      word-break: keep-all;
      overflow-wrap: normal;
    }

    /* PCナビ（横並び） */
    .site-nav-pc {
      display: none;
      flex: 1 1 auto;
      min-width: 0;
      align-items: center;
      justify-content: flex-end;
      gap: clamp(10px, 1.15vw, 22px);
    }

    .site-nav-pc a {
      position: relative;
      flex: 0 0 auto;
      padding: 6px 0;
      font-size: clamp(11px, 0.86vw, 13px);
      font-weight: 700;
      line-height: 1.4;
      letter-spacing: 0.035em;
      white-space: nowrap;
      color: var(--color-navy-deep);
    }

    .site-nav-pc a::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 1.5px;
      background: var(--color-navy);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.3s ease;
    }

    .site-nav-pc a:hover::after {
      transform: scaleX(1);
    }

    /* ハンバーガー（モバイル/タブレット） */
    .nav-toggle {
      position: relative;
      z-index: 42;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      height: 42px;
      padding: 0 18px 0 14px;
      border: 1px solid var(--line-navy);
      border-radius: 999px;
      background: var(--color-white);
      color: var(--color-navy-deep);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.18em;
      cursor: pointer;
      transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    }

    .nav-toggle__lines {
      position: relative;
      width: 18px;
      height: 12px;
    }

    .nav-toggle__lines span {
      position: absolute;
      left: 0;
      width: 18px;
      height: 1.6px;
      background: currentColor;
      border-radius: 2px;
      transition: transform 0.35s ease, opacity 0.25s ease, width 0.35s ease;
    }

    .nav-toggle__lines span:nth-child(1) {
      top: 0;
    }

    .nav-toggle__lines span:nth-child(2) {
      top: 5px;
      width: 13px;
    }

    .nav-toggle__lines span:nth-child(3) {
      top: 10px;
    }

    .nav-toggle__text .is-close {
      display: none;
    }

    .nav-toggle[aria-expanded="true"] {
      background: var(--color-navy-deep);
      color: var(--color-white);
      border-color: var(--color-navy-deep);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle__lines span:nth-child(1) {
      top: 5px;
      transform: rotate(45deg);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle__lines span:nth-child(2) {
      opacity: 0;
      width: 0;
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle__lines span:nth-child(3) {
      top: 5px;
      transform: rotate(-45deg);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle__text .is-open {
      display: none;
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle__text .is-close {
      display: inline;
    }

    /* ====== モバイル展開メニュー（ヘッダー直下に固定追従） ====== */
    .site-nav {
      position: fixed;
      top: var(--header-h);
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 39;
      display: grid;
      align-content: start;
      gap: 0;
      padding: var(--space-32) var(--space-40) var(--space-64);
      background: rgba(1, 49, 87, 0.98);
      color: var(--color-white);
      overflow-y: auto;
      opacity: 0;
      visibility: hidden;
      transform: translateY(-8px);
      transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s ease;
    }

    .site-nav.is-open {
      opacity: 1;
      visibility: visible;
      transform: none;
    }

    .site-nav__label {
      margin-bottom: var(--space-16);
      color: var(--color-sky);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.2em;
    }

    .site-nav a {
      display: block;
      padding: var(--space-16) 0;
      border-bottom: 1px solid rgba(199, 228, 249, 0.22);
      font-family: var(--serif);
      font-size: 20px;
      font-weight: 600;
      letter-spacing: 0.06em;
      transition: color 0.3s ease, padding-left 0.3s ease;
    }

    .site-nav a:hover {
      color: var(--color-sky);
      padding-left: var(--space-8);
    }

    /* ====== Section ====== */
    .section {
      position: relative;
      padding: var(--space-80) 0;
    }

    .section--paper {
      background: linear-gradient(180deg, rgba(246, 241, 232, 0.85), rgba(240, 231, 214, 0.55));
    }

    .section--sky {
      background: linear-gradient(180deg, rgba(199, 228, 249, 0.45), rgba(231, 243, 252, 0.28));
    }

    .section__head {
      margin-bottom: var(--space-40);
      max-width: 720px;
    }

    /* 見出しを拡大（メリハリ強化） */
    .section__title {
      margin: 0;
      font-family: var(--serif);
      font-size: 32px;
      line-height: 1.55;
      font-weight: 700;
      color: var(--color-navy-deep);
      letter-spacing: 0.06em;
    }

    .action-title__sub {
      display: inline-block;
      font-size: 0.84em;
      line-height: 1.35;
    }

    .sp-only {
      display: none;
    }

    .sp-comma-break {
      display: none;
    }

    .section__title--event {
      font-size: 32px;
      line-height: 1.45;
    }

    .section__title--event span {
      white-space: nowrap;
    }

    .section__title--wide {
      max-width: none;
    }

    .graph-title {
      margin: 0 0 var(--space-16);
      font-family: var(--serif);
      font-size: 24px;
      line-height: 1.55;
      font-weight: 700;
      color: var(--color-navy-deep);
      letter-spacing: 0.05em;
    }

    .section__lead {
      margin-top: var(--space-24);
      color: var(--color-muted);
      font-size: 15.5px;
      line-height: 2.15;
      max-width: 720px;
    }

    .content-date {
      margin-top: var(--space-16);
      color: var(--color-navy);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0.16em;
      font-family: var(--serif);
    }

    .text-block {
      display: grid;
      gap: var(--space-24);
    }

    .text-block p {
      line-height: 2.15;
    }

    .note {
      font-size: 14px;
      line-height: 1.85;
      color: var(--color-muted);
    }

    .strong-message {
      color: var(--color-navy);
      font-weight: 700;
      letter-spacing: 0.06em;
    }

    .governor-strong-message {
      font-family: var(--serif);
      font-size: 24px;
      line-height: 1.8;
    }

    .caption {
      margin-top: var(--space-16);
      color: var(--color-muted);
      font-size: 13.5px;
      line-height: 1.85;
    }

    .profile-name {
      margin-top: var(--space-24);
      font-family: var(--serif);
      font-size: 18px;
      font-weight: 700;
      color: var(--color-navy-deep);
      letter-spacing: 0.06em;
      line-height: 1.7;
    }


    .governor-strong-message {
      letter-spacing: 0.02em;
      line-height: 1.9;
    }

    .quote-box__title {
      letter-spacing: 0;
    }

    .card-grid .info-card {
      height: 100%;
    }

    .card-grid .info-card {
      display: flex;
      flex-direction: column;
    }

    .card-grid .info-card .info-card__title {
      min-height: 80px;
    }

    .card-grid .info-card p {
      min-height: 96px;
    }

    .timeline-block__head,
    .timeline-block__head .section__lead {
      max-width: none;
    }

    .quote-box__title {
      max-width: none;
    }

    .event-mc-panel .image-placeholder--square {
      border: 0;
      background: transparent;
    }

    .governor-photo,
    .onuma-photo {
      border: 0;
      background: transparent;
    }

    /* ====== Images ====== */
    .image-placeholder,
    .campaign-thumb,
    .action-icon-image,
    .graph-image {
      display: block;
      width: 100%;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0)),
        linear-gradient(160deg, #e0e6e3, #c9d2cf);
      border: 0;
      object-fit: cover;
    }

    .image-placeholder {
      aspect-ratio: 4 / 3;
      border-radius: var(--radius-large);
    }

    .image-placeholder--portrait {
      aspect-ratio: 3 / 4;
    }

    .image-placeholder--square {
      aspect-ratio: 1 / 1;
    }

    .graph-image {
      aspect-ratio: 16 / 9;
      border: 0;
      border-radius: var(--radius-large);
      background: transparent;
    }

    .graph-scroll {
      width: 100%;
    }

    /* ====== Buttons ====== */
    .button-group {
      display: flex;
      flex-direction: column;
      gap: var(--space-16);
      margin-top: var(--space-40);
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 58px;
      padding: 16px 32px;
      border-radius: var(--radius);
      font-size: 15px;
      font-weight: 700;
      letter-spacing: 0.08em;
      transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
    }

    .button--primary {
      background: var(--color-navy);
      color: var(--color-white);
      border: 1px solid var(--color-navy);
      box-shadow: 0 18px 40px rgba(1, 69, 119, 0.24);
    }

    .hero .button--primary {
      border-color: rgba(255, 255, 255, 0.95);
    }

    .button--secondary {
      background: rgba(255, 255, 255, 0.7);
      color: var(--color-navy-deep);
      border: 1px solid var(--color-navy);
    }

    .button--primary:hover {
      background: var(--color-navy-deep);
      transform: translateY(-2px);
    }

    .button--secondary:hover {
      background: var(--color-white);
      transform: translateY(-2px);
    }

    /* ====== Hero ====== */
    .hero {
      position: relative;
      min-height: calc(100svh - var(--header-h));
      display: grid;
      align-items: end;
      padding: var(--space-96) 0 var(--space-64);
      background: #d4e6f5;
      isolation: isolate;
      overflow: hidden;
    }

    .hero__image {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(96%) brightness(1.03);
      transform: scale(1.08);
      background: linear-gradient(135deg, #e6eef6 0%, #c7e4f9 50%, #ece3d4 100%);
      z-index: 0;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.08) 34%, rgba(1, 49, 87, 0.5) 62%, rgba(1, 49, 87, 0.76) 100%),
        radial-gradient(circle at 26% 34%, rgba(255, 255, 255, 0.38), transparent 56%);
      pointer-events: none;
    }

    .hero__content {
      position: relative;
      z-index: 3;
      color: var(--color-white);
      max-width: 720px;
    }

    .hero__title {
      margin: 0;
      font-family: var(--serif);
      font-size: 36px;
      line-height: 1.45;
      font-weight: 700;
      letter-spacing: 0.1em;
      color: var(--color-navy-deep);
      text-shadow: 0 2px 18px rgba(255, 255, 255, 0.7);
    }

    .hero__lead {
      margin-top: var(--space-24);
      font-size: 15.5px;
      line-height: 2.2;
      max-width: 640px;
      color: var(--color-white);
      font-weight: 700;
      text-shadow: 0 2px 12px rgba(1, 49, 87, 0.95), 0 1px 4px rgba(1, 49, 87, 0.9);
    }

    .hero__title-line,
    .hero__lead-sentence {
      display: block;
    }

    .hero__title-line {
      white-space: nowrap;
    }

    .hero__lead-sp-break {
      display: none;
    }

    /* ====== Message card（上の線を削除） ====== */
    .message-card {
      padding: var(--space-40) var(--space-24);
      background: rgba(255, 255, 255, 0.8);
      box-shadow: var(--shadow-soft);
      position: relative;
    }

    .message-card .section__head {
      margin-bottom: var(--space-32);
    }

    /* ====== Layout ====== */
    .two-column {
      display: grid;
      gap: var(--space-40);
    }

    .accident-item + .accident-item {
      margin-top: var(--space-80);
      padding-top: var(--space-80);
      border-top: 1px solid var(--line-navy);
    }

    .accident-layout .section__head {
      margin-bottom: var(--space-32);
    }

    .accident-figure {
      width: 100%;
      max-width: 560px;
      margin: 0 auto;
      justify-self: center;
    }

    .accident-image {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .image-grid {
      display: grid;
      gap: var(--space-24);
    }

    .image-grid--two {
      grid-template-columns: 1fr;
    }

    .card-grid {
      display: grid;
      gap: var(--space-32);
    }

    /* ====== Info cards ====== */
    .info-card {
      padding: var(--space-24) 0 0;
      border-top: 2px solid var(--line-navy);
      background: transparent;
    }

    .action-icon-image {
      width: 96px;
      height: 96px;
      aspect-ratio: 1/1;
      margin: 0 0 var(--space-24);
      border-radius: 50%;
    }

    .info-card__title {
      margin: 0 0 var(--space-16);
      color: var(--color-navy-deep);
      font-family: var(--serif);
      font-size: 24px;
      line-height: 1.5;
      font-weight: 700;
      letter-spacing: 0.04em;
    }

    .info-card p {
      font-size: 14.5px;
      line-height: 1.9;
      color: var(--color-muted);
    }

    /* ====== Quote box（左の線を削除） ====== */
    .quote-box {
      position: relative;
      padding: var(--space-40) var(--space-24);
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(246, 241, 232, 0.8));
      box-shadow: var(--shadow-soft);
    }

    .quote-box__title {
      position: relative;
      margin: 0 0 var(--space-32);
      padding-left: var(--space-40);
      color: var(--color-navy-deep);
      font-family: var(--serif);
      font-size: 32px;
      line-height: 1.6;
      font-weight: 700;
      letter-spacing: 0.05em;
    }

    .quote-box__title::before {
      content: "\201C";
      position: absolute;
      top: -0.1em;
      left: 0;
      color: var(--color-gold-soft);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 56px;
      line-height: 1;
    }

    .quote-box__title::after {
      content: "\201D";
      margin-left: 0.08em;
      color: var(--color-gold-soft);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 56px;
      line-height: 0;
      vertical-align: -0.3em;
    }

    .quote-box .text-block p {
      font-size: 15.5px;
      line-height: 2.15;
    }

    .quote-box .profile-name {
      margin-top: var(--space-32);
      padding-top: var(--space-24);
      border-top: 1px solid var(--line);
      font-size: 24px;
    }

    .victim-profile-name {
      font-size: 32px;
      line-height: 1.55;
    }

    /* ====== Data box（上の線を削除） ====== */
    .data-box {
      padding: var(--space-40) var(--space-24);
      background: var(--color-white);
      box-shadow: var(--shadow-soft);
    }

    /* ====== Timeline（丸を縦線でつなぐ） ====== */
    .timeline-block {
      margin-top: var(--space-64);
      padding: var(--space-40) var(--space-24);
      background: rgba(255, 255, 255, 0.75);
      border: 1px solid var(--line-navy);
    }

    .timeline-block__head {
      margin-bottom: var(--space-40);
    }

    .timeline-list {
      position: relative;
      display: grid;
      gap: var(--space-40);
      margin: 0;
      padding: 0;
    }

    .timeline-item {
      position: relative;
      display: grid;
      gap: var(--space-8);
      padding-left: var(--space-32);
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      top: 10px;
      left: 0;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--color-navy);
      z-index: 1;
    }

    /* 丸どうしを結ぶ縦線（最後の項目以外） */
    .timeline-item:not(:last-child)::after {
      content: "";
      position: absolute;
      top: 20px;
      left: 4.5px;
      bottom: calc(-1 * var(--space-40));
      width: 1px;
      background: var(--line-navy);
    }

    .timeline-item time {
      color: var(--color-navy);
      font-weight: 700;
      font-size: 24px;
      font-family: var(--serif);
      letter-spacing: 0.1em;
      line-height: 1.5;
    }

    .timeline-item p {
      font-size: 15px;
      line-height: 1.95;
    }

    /* ====== Event ====== */
    .event-table {
      display: grid;
      gap: 0;
      padding: 0;
      margin-top: var(--space-8);
    }

    .event-row {
      display: grid;
      gap: var(--space-8);
      padding: var(--space-24) 0;
      border-bottom: 1px solid var(--line);
    }

    .event-row:first-child {
      padding-top: 0;
    }

    .event-row:last-child {
      border-bottom: 0;
    }

    .event-row dt {
      color: var(--color-navy);
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 0.14em;
    }

    .event-row dd {
      margin: 0;
      font-weight: 500;
    }

    .event-mc-panel {
      display: grid;
      grid-template-areas:
        "intro"
        "photo"
        "message";
      gap: var(--space-32);
      margin-top: var(--space-48);
      padding: var(--space-40) var(--space-24);
      background: rgba(246, 241, 232, 0.7);
      border-radius: var(--radius-large);
    }

    .event-mc-panel > div:first-child {
      grid-area: intro;
    }

    .event-mc-panel .aichi-message {
      grid-area: message;
      position: relative;
      gap: var(--space-24);
      margin: 0;
      padding: var(--space-40);
      overflow: hidden;
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid rgba(163, 133, 79, 0.3);
      box-shadow: 0 14px 36px rgba(1, 69, 119, 0.08);
    }

    .event-mc-panel .aichi-message::before {
      content: none;
    }

    .event-mc-panel .aichi-message::after {
      content: "\201D";
      display: block;
      justify-self: end;
      margin-top: calc(-1 * var(--space-16));
      color: var(--color-gold-soft);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 64px;
      line-height: 0.7;
      opacity: 0.32;
      pointer-events: none;
    }

    .event-mc-panel .aichi-message__label + p {
      position: relative;
      padding-top: var(--space-40);
    }

    .event-mc-panel .aichi-message__label + p::before {
      content: "\201C";
      position: absolute;
      top: -8px;
      left: 0;
      color: var(--color-gold-soft);
      font-family: Georgia, "Times New Roman", serif;
      font-size: 64px;
      line-height: 1;
      opacity: 0.32;
      pointer-events: none;
    }

    .event-mc-panel .aichi-message__label {
      position: relative;
      z-index: 1;
      padding-bottom: var(--space-16);
      border-bottom: 1px solid rgba(163, 133, 79, 0.34);
      color: var(--color-navy-deep);
      font-family: var(--sans);
      font-size: 14px;
      font-weight: 700;
      line-height: 1.6;
      letter-spacing: 0.12em;
    }

    .event-mc-panel .aichi-message p:not(.aichi-message__label) {
      position: relative;
      z-index: 1;
      color: var(--color-ink-soft);
      font-family: var(--sans);
      font-size: 16px;
      line-height: 2.15;
      letter-spacing: 0.035em;
    }

    .event-mc-panel > figure {
      grid-area: photo;
    }

    .event-mc-panel__title {
      margin: 0 0 var(--space-24);
      font-family: var(--serif);
      font-size: 24px;
      line-height: 1.6;
      font-weight: 700;
      color: var(--color-navy-deep);
      letter-spacing: 0.05em;
    }

    /* ====== Exhibition ====== */
    .exhibition-list {
      margin: 0;
      padding: 0;
    }

    .exhibition-list__row {
      display: grid;
      gap: var(--space-8);
      padding: var(--space-24) 0;
      border-bottom: 1px solid var(--line);
    }

    .exhibition-list__row:first-child {
      padding-top: 0;
    }

    .exhibition-list dt {
      color: var(--color-navy);
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 0.16em;
    }

    .exhibition-list dd {
      margin: 0;
      font-size: 16px;
      line-height: 1.9;
      color: var(--color-text);
      font-weight: 500;
      letter-spacing: 0.04em;
    }

    /* ====== Video (YouTube / modal) ====== */
    .video-figure {
      min-width: 0;
    }

    .video-trigger {
      position: relative;
      display: block;
      width: 100%;
      aspect-ratio: 16 / 9;
      margin: 0;
      padding: 0;
      overflow: hidden;
      border: 1px solid var(--line-navy);
      border-radius: var(--radius-large);
      background: linear-gradient(160deg, #023a63, #012a4a);
      box-shadow: 0 18px 42px rgba(1, 49, 87, 0.18);
      color: var(--color-white);
      cursor: pointer;
      appearance: none;
      -webkit-appearance: none;
    }

    .video-trigger__thumbnail {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.45s ease, filter 0.45s ease;
    }

    .video-trigger__shade {
      position: absolute;
      inset: 0;
      background: transparent;
      pointer-events: none;
    }

    .video-trigger__content {
      position: absolute;
      inset: 0;
      display: grid;
      place-content: center;
      justify-items: center;
      gap: 14px;
      padding: var(--space-24);
      text-align: center;
    }

    .video-trigger__play {
      position: relative;
      width: 84px;
      height: 58px;
      border-radius: 16px;
      background: var(--color-red);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.32);
      transition: transform 0.3s ease, background 0.3s ease;
    }

    .video-trigger__play::before {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 0;
      height: 0;
      border-style: solid;
      border-width: 12px 0 12px 20px;
      border-color: transparent transparent transparent #fff;
      transform: translate(-42%, -50%);
    }

    .video-trigger__label {
      padding: 5px 12px;
      border-radius: 999px;
      background: rgba(1, 49, 87, 0.76);
      color: var(--color-white);
      font-size: 13px;
      font-weight: 700;
      line-height: 1.5;
      letter-spacing: 0.08em;
      text-shadow: 0 1px 5px rgba(0, 0, 0, 0.45);
    }

    .video-trigger:hover .video-trigger__thumbnail {
      transform: scale(1.035);
      filter: brightness(0.9);
    }

    .video-trigger:hover .video-trigger__play {
      transform: scale(1.08);
      background: var(--color-red-deep);
    }

    .video-trigger:focus-visible {
      outline: 3px solid var(--color-gold);
      outline-offset: 5px;
    }

    .visually-hidden {
      position: absolute !important;
      width: 1px !important;
      height: 1px !important;
      padding: 0 !important;
      margin: -1px !important;
      overflow: hidden !important;
      clip: rect(0, 0, 0, 0) !important;
      white-space: nowrap !important;
      border: 0 !important;
    }

    body.is-modal-open {
      overflow: hidden;
    }

    .video-modal[hidden] {
      display: none;
    }

    .video-modal {
      position: fixed;
      inset: 0;
      z-index: 1000;
      display: grid;
      place-items: center;
      padding: 56px 24px 24px;
      opacity: 0;
      visibility: hidden;
      overflow: auto;
      transition: opacity 0.24s ease, visibility 0.24s ease;
    }

    .video-modal.is-open {
      opacity: 1;
      visibility: visible;
    }

    .video-modal__backdrop {
      position: fixed;
      inset: 0;
      background: rgba(0, 17, 31, 0.88);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      cursor: pointer;
    }

    .video-modal__dialog {
      position: relative;
      z-index: 1;
      width: min(1200px, calc(100vw - 48px));
      margin: auto;
      background: #000;
      border: 1px solid rgba(255, 255, 255, 0.22);
      box-shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
      transform: translateY(16px) scale(0.985);
      transition: transform 0.24s ease;
    }

    .video-modal.is-open .video-modal__dialog {
      transform: none;
    }

    .video-modal__frame {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #000;
    }

    .video-modal__frame iframe {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      border: 0;
    }

    .video-modal__close {
      position: absolute;
      right: 0;
      top: -48px;
      z-index: 2;
      width: 40px;
      height: 40px;
      padding: 0;
      border: 1px solid rgba(255, 255, 255, 0.72);
      border-radius: 50%;
      background: rgba(1, 49, 87, 0.82);
      color: #fff;
      cursor: pointer;
      transition: background 0.25s ease, transform 0.25s ease;
    }

    .video-modal__close::before,
    .video-modal__close::after {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 19px;
      height: 2px;
      border-radius: 2px;
      background: currentColor;
    }

    .video-modal__close::before {
      transform: translate(-50%, -50%) rotate(45deg);
    }

    .video-modal__close::after {
      transform: translate(-50%, -50%) rotate(-45deg);
    }

    .video-modal__close:hover {
      background: var(--color-red-deep);
      transform: rotate(6deg);
    }

    .video-modal__close:focus-visible {
      outline: 3px solid var(--color-gold-soft);
      outline-offset: 3px;
    }

    .video-modal__focus-sentinel {
      position: fixed;
      width: 1px;
      height: 1px;
      overflow: hidden;
      opacity: 0;
      pointer-events: none;
    }

    /* ====== Penalty: crime ====== */
    .penalty-section {
      padding-bottom: var(--space-48);
    }

    .penalty-cost-section {
      padding-top: var(--space-48);
    }

    .penalty-crime-layout {
      display: grid;
      gap: var(--space-32);
    }

    .penalty-crime-title {
      padding: 0;
    }

    .penalty-main__kicker {
      margin-bottom: var(--space-16);
      color: var(--color-red);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.16em;
    }

    .penalty-crime-title h2,
    .penalty-cost-head h2 {
      margin: 0;
      color: var(--color-navy-deep);
      font-family: var(--serif);
      font-size: 32px;
      line-height: 1.5;
      letter-spacing: 0.06em;
    }

    .penalty-crime-content {
      display: grid;
      gap: 0;
    }

    .penalty-sanctions--split {
      display: grid;
      grid-template-columns: 1fr;
      gap: var(--space-16);
    }

    .penalty-sanctions--split .sanction-item {
      padding: var(--space-24);
      background: var(--color-white);
      border: 1px solid var(--line);
    }

    .sanction-item {
      display: grid;
      gap: var(--space-16);
    }

    .sanction-item__name {
      color: var(--color-red-deep);
      font-family: var(--serif);
      font-size: 24px;
      font-weight: 700;
      line-height: 1.5;
      letter-spacing: 0.05em;
    }

    .sanction-item__text {
      font-size: 22px;
      font-weight: 700;
      line-height: 1.55;
      color: var(--color-ink);
    }

    .penalty-crime-content .penalty-main__note {
      padding: var(--space-32) 0 var(--space-8);
      color: var(--color-red-deep);
      font-size: 15px;
      font-weight: 700;
      line-height: 1.8;
    }

    .penalty-crime-content>.note {
      padding: 0 0 var(--space-8);
    }

    /* ====== Penalty: cost (箇条書き) ====== */
    .penalty-cost-layout {
      display: grid;
      gap: var(--space-32);
    }

    .penalty-cost-head {
      padding: 0;
    }

    .cost-list {
      display: grid;
      gap: 0;
      margin: 0;
      padding: 0;
      list-style: none;
      counter-reset: cost;
      border-top: 1px solid var(--line);
    }

    .cost-list>li {
      counter-increment: cost;
      display: grid;
      grid-template-columns: 48px 1fr;
      column-gap: var(--space-24);
      align-items: start;
      padding: var(--space-32) 0;
      border-bottom: 1px solid var(--line);
    }

    .cost-list>li::before {
      content: counter(cost, decimal-leading-zero);
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border: 1px solid var(--color-navy);
      border-radius: 50%;
      color: var(--color-navy);
      font-family: var(--serif);
      font-size: 24px;
      font-weight: 700;
      letter-spacing: 0.06em;
      line-height: 1;
    }

    .cost-list h3 {
      margin: 0 0 var(--space-8);
      color: var(--color-navy-deep);
      font-family: var(--serif);
      font-size: 24px;
      line-height: 1.5;
      letter-spacing: 0.04em;
    }

    .cost-list p {
      margin: 0;
      color: var(--color-muted);
      font-size: 14.5px;
      line-height: 1.9;
    }

    /* ====== Call 110 ====== */
    .call-scene-list {
      display: grid;
      gap: 0;
      margin-top: var(--space-32);
    }

    .call-scene-list li {
      position: relative;
      padding: var(--space-24) 0 var(--space-24) var(--space-32);
      border-bottom: 1px solid var(--line);
      font-weight: 600;
      font-size: 15.5px;
      line-height: 1.85;
    }

    .call-scene-list li:first-child {
      border-top: 1px solid var(--line);
    }

    .call-scene-list li::before {
      content: "";
      position: absolute;
      top: 33px;
      left: 4px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--color-navy);
    }

    /* ====== Check grid ====== */
    .check-grid {
      display: grid;
      gap: 0;
      margin-top: var(--space-40);
      border-top: 1px solid var(--line);
    }

    .check-item {
      display: flex;
      gap: var(--space-24);
      align-items: center;
      padding: var(--space-24) var(--space-8);
      border-bottom: 1px solid var(--line);
      font-weight: 600;
      font-size: 16px;
    }

    .check-item::before {
      content: "✓";
      width: 34px;
      height: 34px;
      flex: 0 0 34px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--color-navy);
      color: var(--color-white);
      font-weight: 900;
      font-size: 15px;
    }

    /* ====== Campaign visuals ====== */
    .campaign-visual-grid {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: var(--space-24) var(--space-40);
      margin-top: var(--space-48);
    }

    .campaign-thumb {
      width: auto;
      max-width: min(100%, 280px);
      max-height: 180px;
      aspect-ratio: auto;
      border-radius: 0;
      object-fit: contain;
      padding: 0;
      background: transparent;
      border: 0;
    }

    /* ====== Link grid ====== */
    .link-grid {
      display: grid;
      gap: 0;
      margin-top: var(--space-16);
      border-top: 1px solid var(--line);
    }

    .link-card {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-16);
      min-height: 72px;
      padding: var(--space-24) var(--space-8);
      border-bottom: 1px solid var(--line);
      font-weight: 700;
      font-size: 15px;
      transition: padding 0.3s ease, color 0.3s ease;
    }

    .link-card:hover {
      padding-left: var(--space-24);
      color: var(--color-navy);
    }

    .link-card::after {
      content: "→";
      color: var(--color-navy);
      font-weight: 900;
      transition: transform 0.3s ease;
    }

    .link-card:hover::after {
      transform: translateX(6px);
    }

    /* ====== Footer ====== */
    .footer {
      padding: var(--space-64) 0;
      background: var(--color-navy-deep);
      color: var(--color-white);
    }

    .footer__inner {
      display: grid;
      gap: var(--space-16);
      font-size: 14px;
      color: rgba(255, 255, 255, 0.82);
      letter-spacing: 0.06em;
    }

    .footer__logo {
      margin: 0;
      display: inline-flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .footer__logo-img {
      height: 48px;
      flex: 0 0 auto;
      width: auto;
      display: block;
    }

    .footer__logo-title {
      max-width: 14em;
      min-width: 0;
      color: var(--color-white);
      font-family: var(--serif);
      font-size: clamp(13px, 3vw, 17px);
      font-weight: 700;
      line-height: 1.28;
      letter-spacing: 0.02em;
      word-break: keep-all;
      overflow-wrap: normal;
    }

    /* ====== Page top button ====== */
    .page-top {
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 35;
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border: 1px solid var(--color-navy);
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      color: var(--color-navy);
      box-shadow: 0 10px 28px rgba(1, 69, 119, 0.2);
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transform: translateY(12px);
      transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background 0.3s ease, color 0.3s ease;
    }

    .page-top.is-visible {
      opacity: 1;
      visibility: visible;
      transform: none;
    }

    .page-top:hover {
      background: var(--color-navy);
      color: #fff;
    }

    .page-top::before {
      content: "";
      width: 11px;
      height: 11px;
      border-top: 2px solid currentColor;
      border-right: 2px solid currentColor;
      transform: translateY(2px) rotate(-45deg);
    }

    /* ====== Scroll reveal (JS) ====== */
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.9s ease, transform 0.9s ease;
    }

    .reveal.is-visible {
      opacity: 1;
      transform: none;
    }

    @media (prefers-reduced-motion: reduce) {

      .reveal,
      .page-top,
      .site-nav,
      .nav-toggle__lines span {
        transition: none;
      }
    }

    @media (max-width: 599px) {
      .video-modal {
        padding: 20px 12px;
      }

      .video-modal__dialog {
        width: calc(100vw - 24px);
      }

      .video-modal__close {
        top: 8px;
        right: 8px;
        width: 38px;
        height: 38px;
        background: rgba(1, 49, 87, 0.9);
      }

      .video-trigger__play {
        width: 72px;
        height: 50px;
        border-radius: 13px;
      }

      .video-trigger__label {
        font-size: 12px;
      }
      body {
        font-size: 16px;
      }

      .pc-only {
        display: none;
      }

      .sp-only {
        display: block;
      }

      .sp-comma-break {
        display: block;
      }

      .section__title {
        font-size: 24px;
        line-height: 1.45;
        letter-spacing: 0.01em;
        text-wrap: pretty;
      }

      .section__title--wide {
        word-break: keep-all;
        overflow-wrap: normal;
      }

      #intro-title,
      #timeline-title {
        white-space: nowrap;
        font-size: 24px;
      }

      #links-title {
        font-size: 24px;
        line-height: 1.5;
      }

      .message-card {
        padding-right: 18px;
        padding-left: 18px;
      }

      .event-mc-panel .aichi-message {
        padding: var(--space-24);
      }

      .event-mc-panel .aichi-message__label + p {
        padding-top: var(--space-32);
      }

      .event-mc-panel .aichi-message__label + p::before {
        top: -6px;
        font-size: 52px;
      }

      .event-mc-panel .aichi-message::after {
        margin-top: calc(-1 * var(--space-8));
        font-size: 52px;
      }

      .timeline-block {
        margin-right: -8px;
        margin-left: -8px;
        padding-right: 20px;
        padding-left: 20px;
      }

      .graph-title {
        font-size: 20px;
        line-height: 1.4;
        letter-spacing: 0.02em;
      }

      #action-title {
        line-height: 1.35;
      }

      .action-title__sub {
        font-size: 18px;
        line-height: 1.32;
        white-space: nowrap;
      }

      #action-title + .section__lead {
        margin-top: var(--space-16);
        font-size: 16px;
        line-height: 1.7;
      }

      .section__lead,
      .hero__lead,
      .text-block p,
      .quote-box .text-block p,
      .info-card p,
      .timeline-item p,
      .cost-list p,
      .call-scene-list li,
      .check-item,
      .link-card,
      .event-row dd,
      .exhibition-list dd {
        font-size: 16px;
      }

      .content-date,
      .profile-name,
      .quote-box .profile-name,
      .button {
        font-size: 18px;
      }

      .card-grid {
        gap: var(--space-24);
      }

      .info-card {
        padding-top: 20px;
        text-align: center;
      }

      .action-icon-image {
        width: 88px;
        height: 88px;
        margin: 0 auto var(--space-16);
      }

      .info-card__title {
        margin-bottom: 10px;
        font-size: 20px;
        line-height: 1.35;
        letter-spacing: 0.02em;
      }

      .info-card p {
        line-height: 1.65;
      }

      .card-grid .info-card .info-card__title,
      .card-grid .info-card p {
        min-height: 0;
      }

      .governor-photo,
      .onuma-photo {
        aspect-ratio: 1 / 1;
      }

      .accident-figure,
      .accident-image {
        width: 100%;
        max-width: none;
      }

      .quote-box__title,
      .event-mc-panel__title,
      .penalty-crime-title h2,
      .penalty-cost-head h2 {
        font-size: 24px;
      }

      .hero__title {
        font-size: clamp(29px, 8.2vw, 32px);
        line-height: 1.55;
        letter-spacing: 0.04em;
      }

      .hero__lead {
        font-size: 15.5px;
        line-height: 1.9;
        letter-spacing: 0.02em;
      }

      .hero__lead-sentence + .hero__lead-sentence {
        margin-top: 8px;
      }

      .hero__lead-sp-break {
        display: block;
      }

      .governor-closing-message {
        font-size: 16px;
      }

      .quote-box__title::before,
      .quote-box__title::after {
        font-size: 24px;
      }

      .cost-list h3,
      .sanction-item__text {
        font-size: 20px;
      }

      .strong-message.governor-strong-message {
        font-size: 18px;
      }

      .penalty-crime-title h2,
      .penalty-cost-head h2 {
        white-space: nowrap;
      }

      .graph-scroll {
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
      }

      .graph-scroll .graph-image {
        width: 720px;
        max-width: none;
      }

      .campaign-visual-grid {
        justify-content: center;
        text-align: center;
      }

      .campaign-thumb {
        max-width: min(86vw, 320px);
        max-height: 210px;
      }
    }

    /* ====== PC（1024px〜）：横並びヘッダーメニュー ====== */
    @media (min-width: 1024px) {

      .hero {
        min-height: calc(100vh - var(--header-h));
      }

      .hero__content {
        width: min(100% - 96px, 760px);
        max-width: 760px;
        margin-left: max(48px, calc((100vw - 1280px) / 2 + 48px));
        margin-right: auto;
      }

      .hero__title {
        max-width: 760px;
      }

      .hero__lead {
        max-width: 720px;
      }

      .container {
        width: min(100% - 96px, 960px);
      }

      .section {
        padding: var(--space-96) 0;
      }

      .section__title {
        font-size: 40px;
      }

      .hero__title {
        font-size: 58px;
      }

      .hero__lead {
        font-size: 18px;
      }

      .button-group {
        flex-direction: row;
      }

      .two-column {
        grid-template-columns: 1.15fr 0.85fr;
        align-items: center;
        gap: var(--space-64);
      }

      .accident-layout {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        align-items: start;
      }

      .accident-figure {
        max-width: none;
      }

      .two-column--reverse {
        grid-template-columns: 0.85fr 1.15fr;
      }

      .image-grid--two {
        grid-template-columns: repeat(2, 1fr);
      }

      .card-grid {
        grid-template-columns: repeat(4, 1fr);
      }

      .check-grid {
        grid-template-columns: repeat(2, 1fr);
        column-gap: var(--space-48);
      }

      .link-grid {
        grid-template-columns: repeat(2, 1fr);
        column-gap: var(--space-48);
      }

      .event-row {
        grid-template-columns: 110px 1fr;
        align-items: baseline;
      }

      .exhibition-list__row {
        grid-template-columns: 160px 1fr;
        gap: var(--space-32);
        align-items: baseline;
      }

      .footer__inner {
        grid-template-columns: 1fr auto;
        align-items: center;
      }

      .event-mc-panel {
        grid-template-columns: 0.85fr 1.15fr;
        grid-template-areas:
          "photo intro"
          "message message";
        align-items: start;
        padding: var(--space-48) var(--space-40);
      }

      #message .two-column {
        grid-template-columns: 1.35fr 0.65fr;
      }

      #message .quote-box__title {
        letter-spacing: 0;
      }

      .penalty-crime-layout {
        grid-template-columns: 260px 1fr;
        gap: var(--space-48);
        align-items: start;
      }

      .penalty-sanctions--split {
        grid-template-columns: repeat(2, 1fr);
      }

      .penalty-cost-layout {
        grid-template-columns: 260px 1fr;
        gap: var(--space-48);
        align-items: start;
      }

      .penalty-crime-title h2,
      .penalty-cost-head h2 {
        font-size: 40px;
      }

      .campaign-visual-grid {
        gap: var(--space-32) var(--space-48);
      }

      .message-card,
      .quote-box,
      .data-box {
        padding: var(--space-48) var(--space-40);
      }

      .timeline-block {
        padding: var(--space-48) var(--space-40);
      }

      .page-top {
        right: 24px;
        bottom: 24px;
        width: 52px;
        height: 52px;
      }
    }


    /* ====== Wide PC：グローバルナビを横並び表示 ====== */
    @media (min-width: 1180px) {
      .nav-toggle {
        display: none;
      }

      .site-nav {
        display: none;
      }

      .site-nav-pc {
        display: flex;
      }
    }

    /* タブレット中間幅 */
    @media (min-width: 600px) and (max-width: 1023px) {
      .container {
        width: min(100% - 56px, 720px);
      }

      .image-grid--two {
        grid-template-columns: repeat(2, 1fr);
      }

      .card-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .campaign-visual-grid {
        gap: var(--space-24) var(--space-32);
      }
    }

/* ====== 飲酒運転撲滅コンテンツと県民大会の統合 ====== */
.integrated-event {
  margin-top: var(--space-64);
  padding-top: var(--space-64);
  border-top: 1px solid var(--line-navy);
}

.integrated-event__head {
  margin-bottom: var(--space-40);
}

/* ====== 飲酒運転撲滅・県民大会見出しエリアの横位置調整 ====== */
@media (min-width: 1024px) {
  #event > .container > .section__head,
  #event .integrated-event__head {
    width: min(100%, 860px);
    max-width: 860px;
    margin-inline: auto;
  }

  #event > .container > .section__head .section__lead,
  #event .integrated-event__head .section__lead {
    max-width: none;
    text-wrap: pretty;
  }
}

/* ====== 県民大会詳細ブロック幅の調整（PC） ====== */
@media (min-width: 1024px) {
  #event .integrated-event > .exhibition-list,
  #event .integrated-event > .image-grid,
  #event .integrated-event > .event-caption,
  #event .integrated-event > .event-mc-panel {
    width: min(100%, 860px);
    max-width: 860px;
    margin-inline: auto;
  }
}