@layer page {
  /* Shared by 2 pages. Extracted from duplicated inline CSS. */
  :root {
    --navy: #061b33;
    --navy2: #0b2a4d;
    --gold: #ffd000;
    --red: #d60000;
    --ink: #172033;
    --bg: #f5f8fc;
    --warn: 0;
    --break: 0;
    --fall: 0;
  }
  * {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family:
      system-ui,
      -apple-system,
      "Segoe UI",
      "Hiragino Sans",
      "Yu Gothic UI",
      "Yu Gothic",
      Meiryo,
      sans-serif;
    line-height: 1.9;
  }
  a {
    color: #0b4f86;
  }
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(6, 27, 51, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
  }
  .site-header__inner {
    width: min(1180px, calc(100% - 32px));
    margin: auto;
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
  }
  .brand {
    color: #fff;
    font-weight: 1000;
    text-decoration: none;
  }
  .nav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 0.9rem;
  }
  .nav a {
    color: rgba(255, 255, 255, 0.86);
    text-decoration: none;
  }
  .hero {
    padding: 82px 24px 66px;
    color: #fff;
    background:
      radial-gradient(
        circle at 50% 10%,
        rgba(255, 208, 0, 0.22),
        transparent 28%
      ),
      linear-gradient(135deg, #041426, #092441 52%, #0e335d);
  }
  .wrap {
    width: min(1160px, calc(100% - 40px));
    margin: auto;
  }
  .kicker {
    display: inline-flex;
    padding: 6px 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffe27a;
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.07em;
    text-transform: uppercase;
  }
  h1 {
    font-size: clamp(2.1rem, 5vw, 4.6rem);
    line-height: 1.08;
    letter-spacing: -0.05em;
    margin: 18px 0;
  }
  h1 span,
  .explainer-intro h2 span {
    color: var(--gold);
  }
  .lead {
    max-width: 980px;
    font-size: clamp(1.03rem, 2vw, 1.22rem);
    color: rgba(255, 255, 255, 0.88);
    margin: 0;
  }
  .meta {
    margin-top: 20px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.92rem;
  }
  .article,
  .action-area {
    background: #fff;
    padding: 74px 24px;
  }
  .article.alt {
    background: #fbfcff;
  }
  .article h2,
  .action-area h2 {
    position: relative;
    padding-left: 18px;
    margin: 0 0 22px;
    font-size: clamp(1.55rem, 3vw, 2.35rem);
    line-height: 1.35;
    color: var(--navy);
  }
  .article h2:before,
  .action-area h2:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.2em;
    bottom: 0.2em;
    width: 5px;
    border-radius: 999px;
    background: var(--navy2);
  }
  p {
    max-width: 960px;
  }
  .article p,
  .action-area p {
    font-size: 1.04rem;
    color: #2f384b;
  }
  .principle {
    max-width: 1000px;
    margin-top: 30px;
    padding: 24px 28px;
    border-left: 8px solid var(--red);
    border-radius: 0 18px 18px 0;
    background: #fff7f7;
    color: #2b1820;
    font-weight: 800;
  }
  .explainer {
    position: relative;
    overflow: clip;
    background: linear-gradient(
      180deg,
      #061426 0%,
      #061426 43%,
      #eef3fa 43.1%,
      #eef3fa 100%
    );
    padding: 72px 24px 110px;
  }
  .explainer:before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      radial-gradient(
        circle at 50% 24%,
        rgba(255, 0, 0, 0.22),
        transparent 25%
      ),
      radial-gradient(
        circle at 50% 24%,
        rgba(255, 208, 0, 0.15),
        transparent 18%
      );
    pointer-events: none;
  }
  .explainer-intro {
    position: relative;
    z-index: 1;
    color: #fff;
    margin-bottom: 38px;
  }
  .explainer-intro h2 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    line-height: 1.2;
    margin: 12px 0;
    color: #fff;
    text-shadow:
      0 4px 0 rgba(0, 0, 0, 0.34),
      0 16px 34px rgba(0, 0, 0, 0.38);
  }
  .explainer-intro p {
    color: rgba(255, 255, 255, 0.84);
  }
  .explainer-grid {
    position: relative;
    z-index: 1;
    width: min(1220px, calc(100% - 40px));
    margin: auto;
    display: grid;
    grid-template-columns: minmax(430px, 1fr) minmax(360px, 560px);
    gap: 56px;
    align-items: start;
  }
  .visual-sticky {
    position: sticky;
    top: 78px;
  }
  .visual-panel {
    position: relative;
    min-height: min(74vh, 730px);
    display: grid;
    place-items: center;
    border-radius: 30px;
    background:
      radial-gradient(
        circle at 50% 50%,
        rgba(255, 255, 255, 0.98),
        rgba(220, 228, 242, 0.75) 35%,
        transparent 36%
      ),
      radial-gradient(
        circle at 50% 50%,
        rgba(255, 0, 0, 0.24),
        transparent 28%
      ),
      linear-gradient(135deg, #061426, #0d2748 55%, #061426);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
    overflow: hidden;
  }
  .impact-title {
    position: absolute;
    top: 14px;
    left: 10px;
    right: 10px;
    z-index: 12;
    text-align: center;
    color: #fff;
    font-size: clamp(1.05rem, 2.4vw, 2.05rem);
    font-weight: 1000;
    text-shadow: 0 3px 0 rgba(0, 0, 0, 0.55);
  }
  .impact-title span {
    color: var(--gold);
  }
  .stage {
    position: relative;
    width: min(570px, 92vw);
    aspect-ratio: 1/1;
  }
  .status {
    position: absolute;
    z-index: 15;
    left: 50%;
    top: 18%;
    transform: translateX(-50%);
    padding: 12px 26px 13px;
    border: 6px solid var(--gold);
    border-radius: 8px;
    background: repeating-linear-gradient(
      -45deg,
      rgba(255, 222, 0, 0.42),
      rgba(255, 222, 0, 0.42) 8px,
      #fff 8px,
      #fff 16px
    );
    color: #c00000;
    box-shadow:
      0 0 0 4px rgba(30, 0, 0, 0.95),
      0 18px 42px rgba(0, 0, 0, 0.42),
      0 0 calc(38px * var(--warn)) rgba(255, 0, 0, 0.65);
    font-weight: 1000;
    font-size: clamp(1.1rem, 4vw, 2.85rem);
    line-height: 1;
    opacity: calc(0.15 + var(--warn) * 0.85);
  }
  .doc {
    position: absolute;
    z-index: 4;
    left: 50%;
    top: 52%;
    width: 38%;
    min-width: 170px;
    aspect-ratio: 0.72/1;
    transform: translate(-50%, -50%)
      rotate(calc(-6deg + var(--break) * -2deg + var(--fall) * 5deg))
      translateY(calc(var(--fall) * 88px))
      scale(calc(1 + var(--break) * 0.05 - var(--fall) * 0.04));
    border-radius: 14px;
    background: linear-gradient(180deg, #fff, #edf3fa);
    border: 1px solid #bac8da;
    box-shadow: 0 26px 54px rgba(0, 0, 0, 0.36);
    overflow: hidden;
  }
  .doc:before {
    content: "PTA入会申込書";
    display: block;
    background: #163653;
    color: #fff;
    font-weight: 1000;
    text-align: center;
    font-size: clamp(0.82rem, 2vw, 1.22rem);
    padding: 12px 5px;
  }
  .form-line {
    height: 8px;
    margin: 18px 22px;
    border-radius: 999px;
    background: #d9e2ee;
  }
  .form-line.short {
    width: 62%;
  }
  .check {
    margin: 18px auto;
    width: 72%;
    border: 2px solid #9fb2c8;
    border-radius: 8px;
    padding: 8px;
    font-weight: 800;
    color: #20804f;
    background: #f9fcff;
    text-align: center;
  }
  .seal {
    position: absolute;
    right: 14px;
    bottom: 20px;
    width: 76px;
    height: 76px;
    border: 4px solid #3a9365;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #3a9365;
    font-weight: 1000;
    transform: rotate(-12deg);
    opacity: 0.75;
  }
  .connector {
    position: absolute;
    inset: 0;
    z-index: 3;
  }
  .connector line {
    stroke: rgba(255, 0, 0, 0.95);
    stroke-width: calc(2 + var(--warn) * 4);
    stroke-linecap: round;
    filter: drop-shadow(0 0 6px #fff)
      drop-shadow(0 0 calc(var(--warn) * 18px) rgba(255, 0, 0, 0.95));
    opacity: calc(0.35 + var(--warn) * 0.65);
    transform: translateY(calc(var(--fall) * 70px));
    transform-origin: 50% 50%;
  }
  .cracks {
    position: absolute;
    inset: 0;
    z-index: 7;
    pointer-events: none;
    opacity: calc(var(--break) * 1.25);
    transform: translateY(calc(var(--fall) * 92px))
      scaleY(calc(1 - var(--fall) * 0.16));
    filter: drop-shadow(0 0 2px #fff);
  }
  .cracks line,
  .cracks polyline {
    fill: none;
    stroke: rgba(230, 252, 255, 0.96);
    stroke-width: calc(0.4px + var(--break) * 1.35px);
    stroke-linecap: round;
    stroke-dasharray: 120;
    stroke-dashoffset: calc(120 - var(--break) * 120);
  }
  .cracks .branch {
    stroke: rgba(170, 235, 255, 0.92);
  }
  .cracks circle {
    fill: rgba(140, 0, 0, 0.78);
    stroke: #fff;
  }
  .node {
    position: absolute;
    z-index: 9;
    width: 190px;
    min-height: 122px;
    padding: 13px 14px;
    border: 6px solid var(--gold);
    border-radius: 8px;
    background: radial-gradient(
      circle at 50% 35%,
      #fff,
      rgba(255, 246, 180, 0.96) 54%,
      rgba(255, 197, 0, 0.9)
    );
    box-shadow:
      0 0 0 3px rgba(70, 0, 0, 0.9),
      inset 0 0 30px rgba(255, 130, 0, 0.55),
      0 18px 40px rgba(0, 0, 0, 0.34),
      0 0 calc(var(--warn) * 30px) rgba(255, 0, 0, 0.66);
    opacity: 0;
    transform: scale(0.8) translateY(12px);
    transition:
      opacity 0.25s,
      transform 0.25s;
  }
  .node strong {
    display: block;
    color: #d50000;
    font-weight: 1000;
    font-size: clamp(1.4rem, 3.6vw, 2.55rem);
    line-height: 0.92;
    text-shadow:
      1px 1px 0 #fff,
      3px 3px 0 rgba(255, 208, 0, 0.9);
  }
  .node span {
    display: block;
    margin-top: 8px;
    color: #390000;
    font-weight: 1000;
    font-size: 0.86rem;
    line-height: 1.25;
  }
  .node.member {
    left: 3%;
    top: 22%;
  }
  .node.fee {
    right: 3%;
    top: 24%;
  }
  .node.facility {
    left: 3%;
    top: 51%;
  }
  .node.privacy {
    right: 3%;
    bottom: 17%;
  }
  .node.staff {
    left: 3%;
    bottom: 15%;
  }
  .stage.show-member .node.member,
  .stage.show-fee .node.fee,
  .stage.show-facility .node.facility,
  .stage.show-privacy .node.privacy,
  .stage.show-staff .node.staff {
    opacity: 1;
    transform: scale(calc(1 + var(--warn) * 0.14))
      translateY(calc(var(--fall) * 130px));
  }
  .final {
    position: absolute;
    z-index: 14;
    left: 50%;
    bottom: 2%;
    width: min(92%, 560px);
    transform: translateX(-50%) translateY(calc(var(--fall) * 90px));
    padding: 17px 22px;
    border: 6px solid var(--gold);
    border-radius: 8px;
    background: linear-gradient(180deg, #fff6b8, #fff 45%, #ffd8d8);
    box-shadow: 0 0 0 3px rgba(70, 0, 0, 0.85);
    opacity: 0;
  }
  .stage.show-final .final {
    opacity: 1;
  }
  .final strong {
    display: block;
    color: #b00000;
    font-weight: 1000;
    font-size: clamp(1.5rem, 4.4vw, 3rem);
    line-height: 1.04;
    text-shadow:
      1px 1px 0 #fff,
      2px 2px 0 var(--gold);
  }
  .dust {
    position: absolute;
    z-index: 6;
    left: 50%;
    bottom: 3%;
    width: 78%;
    height: 76px;
    transform: translateX(-50%);
    opacity: var(--fall);
  }
  .dust:before {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    bottom: 3px;
    height: 18px;
    border-radius: 50%;
    background: rgba(18, 52, 90, 0.25);
    filter: blur(8px);
  }
  .step-list {
    display: grid;
    gap: 24px;
    padding-bottom: 42vh;
  }
  .step {
    min-height: 78vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 34px 32px;
    border: 1px solid rgba(18, 52, 90, 0.16);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 14px 34px rgba(18, 52, 90, 0.08);
    opacity: 0.44;
    transform: translateY(16px);
    transition:
      opacity 0.25s,
      transform 0.25s;
  }
  .step.is-active {
    opacity: 1;
    transform: translateY(0);
    background: #fff;
  }
  .step-num {
    color: var(--red);
    font-weight: 1000;
    letter-spacing: 0.08em;
    margin: 0 0 10px;
    font-size: 0.8rem;
  }
  .step h3 {
    margin: 0 0 12px;
    color: var(--navy);
    font-size: clamp(1.3rem, 2.5vw, 1.95rem);
    line-height: 1.35;
  }
  .note {
    margin-top: 14px;
    padding: 15px 17px;
    border-radius: 14px;
    border-left: 5px solid var(--red);
    background: #fff7f7;
    color: #563b3a;
    font-size: 0.92rem;
  }
  .note.blue {
    border-left-color: var(--navy2);
    background: #f4f8ff;
    color: #2c3c59;
  }
  .action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 28px;
  }
  .action-box {
    border: 1px solid #d8e0ec;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 12px 30px rgba(18, 52, 90, 0.08);
    overflow: hidden;
  }
  .action-box h3 {
    margin: 0;
    padding: 18px 22px;
    background: var(--navy);
    color: #fff;
  }
  .action-box .body {
    padding: 22px;
  }
  .template {
    white-space: pre-wrap;
    background: #f8fafc;
    border: 1px solid #dbe4ef;
    border-radius: 14px;
    padding: 18px;
    max-height: 420px;
    overflow: auto;
    font-size: 0.92rem;
  }
  .btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
  }
  button,
  .button {
    border: 0;
    border-radius: 999px;
    background: var(--navy);
    color: #fff;
    font-weight: 900;
    padding: 10px 16px;
    cursor: pointer;
    text-decoration: none;
  }
  .gold {
    background: var(--gold);
    color: var(--navy);
  }
  .logic {
    max-width: 990px;
    margin: 46px 0 0;
    padding-left: 22px;
    border-left: 5px solid #d7ddea;
  }
  .logic h3 {
    margin: 0 0 12px;
    color: var(--navy);
    font-size: clamp(1.25rem, 2.2vw, 1.65rem);
  }
  .check-list,
  .sources {
    max-width: 960px;
    padding: 22px 24px;
    border-radius: 18px;
    background: #f5f8fc;
    border: 1px solid #dce4ef;
  }
  .footer {
    background: #061b33;
    color: rgba(255, 255, 255, 0.82);
    padding: 40px 24px;
  }
  .footer p {
    color: rgba(255, 255, 255, 0.82);
  }
  @media (max-width: 960px) {
    .site-header {
      position: static;
    }
    .site-header__inner {
      flex-direction: column;
      align-items: flex-start;
      padding: 12px 0;
    }
    .explainer {
      background: linear-gradient(
        180deg,
        #061426 0%,
        #061426 26%,
        #eef3fa 26.1%,
        #eef3fa 100%
      );
    }
    .explainer-grid,
    .action-grid {
      grid-template-columns: 1fr;
    }
    .visual-sticky {
      position: sticky;
      top: 0;
      z-index: 2;
    }
    .visual-panel {
      min-height: 56vh;
    }
    .step {
      min-height: auto;
    }
  }
  @media (max-width: 560px) {
    .wrap,
    .explainer-grid {
      width: min(100% - 28px, 1160px);
    }
    .hero,
    .article,
    .action-area,
    .explainer {
      padding-left: 16px;
      padding-right: 16px;
    }
    .visual-panel {
      min-height: 430px;
      border-radius: 0 0 28px 28px;
    }
    .stage {
      width: min(500px, 98vw);
    }
    .node {
      width: 128px;
      min-height: 78px;
      border-width: 4px;
    }
    .node span {
      display: none;
    }
    .status {
      top: 13%;
      padding: 8px 12px;
      border-width: 4px;
    }
    .doc {
      min-width: 140px;
    }
  }
  @media print {
    .site-header,
    .hero,
    .explainer,
    .footer,
    .btn-row {
      display: none;
    }
    .article,
    .action-area {
      padding: 0;
      background: #fff;
    }
    .wrap {
      width: auto;
    }
    .template {
      max-height: none;
      border: 1px solid #999;
    }
    .action-grid {
      grid-template-columns: 1fr;
      gap: 14px;
    }
    .action-box {
      break-inside: avoid;
      box-shadow: none;
    }
  }

  .node.account {
    right: 3%;
    top: 51%;
  }
  .stage.show-account .node.account {
    opacity: 1;
    transform: scale(calc(1 + var(--warn) * 0.14))
      translateY(calc(var(--fall) * 130px));
  }
  .role-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
  }
  .role-actions .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  @media (max-width: 560px) {
    .node.account {
      right: 3%;
      top: 51%;
    }
    .role-actions {
      flex-direction: column;
    }
    .role-actions .button {
      width: 100%;
    }
  }
}