/* =========================================================
   絶対に押してはいけないボタン — 制御盤スタイル
   ========================================================= */

:root {
  --bg: #101216;
  --steel: #2a2e35;
  --steel-light: #3a3f48;
  --steel-dark: #1b1e23;
  --hazard: #ffc400;
  --alert: #ff2a2a;
  --alert-deep: #a30f0f;
  --phosphor: #7dff9a;
  --phosphor-dim: #2a5c38;
  --paper: #f4ecd8;
  --ink: #2b2418;
  --font-lcd: "DotGothic16", monospace;
  --font-body: "Zen Kaku Gothic New", sans-serif;
  --font-pop: "Rampart One", cursive;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: #cfd3da;
  overflow-x: hidden;
  min-height: 100vh;
  /* 鉄板の質感：うっすらノイズ + ビネット */
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.05), transparent 60%),
    radial-gradient(ellipse at 50% 120%, rgba(255, 42, 42, 0.06), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}

/* 危険度上昇時：赤い環境光が脈動する */
body.alert-mode::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  background: radial-gradient(ellipse at 50% 50%, transparent 40%, rgba(255, 42, 42, 0.22));
  animation: ambient-pulse 1.6s ease-in-out infinite;
}

@keyframes ambient-pulse {
  0%, 100% { opacity: 0.25; }
  50% { opacity: 1; }
}

body.shake { animation: shake 0.45s linear infinite; }

@keyframes shake {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-6px, 4px) rotate(-0.4deg); }
  40% { transform: translate(5px, -5px) rotate(0.3deg); }
  60% { transform: translate(-4px, -3px) rotate(0.4deg); }
  80% { transform: translate(6px, 5px) rotate(-0.3deg); }
}

/* ========== ヘッダー ========== */

#scene {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.site-head { width: 100%; text-align: center; }

.hazard-tape {
  height: 14px;
  background: repeating-linear-gradient(
    -45deg,
    var(--hazard) 0 18px,
    #15161a 18px 36px
  );
  border-top: 2px solid #000;
  border-bottom: 2px solid #000;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.site-title {
  font-weight: 900;
  font-size: clamp(1.6rem, 5.2vw, 2.6rem);
  letter-spacing: 0.12em;
  color: #f2f4f8;
  margin: 20px 0 6px;
  text-shadow: 0 0 24px rgba(255, 42, 42, 0.35), 0 2px 0 #000;
}

.site-sub {
  font-family: var(--font-lcd);
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  color: #6b727e;
  margin-bottom: 20px;
}

/* ========== 制御盤 ========== */

.panel {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  padding-top: 86px; /* 回転灯ぶん */
}

.siren {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  filter: saturate(0.25) brightness(0.7);
  transition: filter 0.5s;
}

.siren.active { filter: none; }

.siren-dome {
  width: 64px;
  height: 52px;
  border-radius: 32px 32px 6px 6px;
  background: radial-gradient(circle at 35% 28%, #ff8a8a, var(--alert) 45%, var(--alert-deep) 90%);
  border: 2px solid #4a0c0c;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 -8px 14px rgba(0, 0, 0, 0.5);
}

.siren.active .siren-dome {
  box-shadow: inset 0 -8px 14px rgba(0, 0, 0, 0.5), 0 0 36px 10px rgba(255, 42, 42, 0.55);
}

.siren-beam {
  position: absolute;
  inset: -40%;
  background: conic-gradient(
    rgba(255, 255, 255, 0.9) 0deg 26deg,
    transparent 26deg 180deg,
    rgba(255, 255, 255, 0.9) 180deg 206deg,
    transparent 206deg 360deg
  );
  opacity: 0;
  border-radius: 50%;
}

.siren.active .siren-beam {
  opacity: 0.85;
  animation: siren-spin 0.7s linear infinite;
}

@keyframes siren-spin { to { transform: rotate(360deg); } }

.siren-base {
  width: 88px;
  height: 16px;
  background: linear-gradient(#454b55, #23262c);
  border-radius: 4px 4px 0 0;
  border: 1px solid #14161a;
}

.panel-plate {
  position: relative;
  width: min(620px, 100%);
  padding: 34px 30px 24px;
  border-radius: 14px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.07), transparent 35%),
    linear-gradient(var(--steel), var(--steel-dark));
  border: 2px solid #0a0b0d;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -10px 24px rgba(0, 0, 0, 0.45),
    0 24px 50px rgba(0, 0, 0, 0.65);
}

.screw {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #7d848f, #3b404a 60%, #14161a);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.4), 0 1px 2px rgba(0, 0, 0, 0.8);
}
.screw::after {
  content: "";
  position: absolute;
  left: 2px; right: 2px; top: 7px;
  height: 2px;
  background: #101216;
  transform: rotate(28deg);
}
.screw.tl { top: 10px; left: 10px; }
.screw.tr { top: 10px; right: 10px; transform: rotate(64deg); }
.screw.bl { bottom: 10px; left: 10px; transform: rotate(112deg); }
.screw.br { bottom: 10px; right: 10px; transform: rotate(167deg); }

.warn-plate {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--hazard);
  color: #1a1300;
  font-weight: 900;
  font-size: clamp(0.95rem, 2.8vw, 1.2rem);
  letter-spacing: 0.14em;
  padding: 10px 14px;
  border-radius: 6px;
  border: 2px solid #1a1300;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.25), 0 3px 8px rgba(0, 0, 0, 0.5);
  margin-bottom: 22px;
}

.warn-icon { font-size: 1.25em; }

/* ========== LCD ========== */

.lcd {
  background: #04140a;
  border: 2px solid #000;
  border-radius: 8px;
  padding: 14px 16px;
  font-family: var(--font-lcd);
  color: var(--phosphor);
  box-shadow:
    inset 0 0 30px rgba(0, 0, 0, 0.85),
    inset 0 0 8px rgba(125, 255, 154, 0.15),
    0 2px 0 rgba(255, 255, 255, 0.06);
  position: relative;
  overflow: hidden;
  margin-bottom: 26px;
}

.lcd::after {
  /* 走査線 */
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    transparent 0 2px,
    rgba(0, 0, 0, 0.28) 2px 4px
  );
  pointer-events: none;
}

.lcd-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--phosphor-dim);
}

.lcd-status { color: var(--phosphor); }

.lcd.danger .lcd-status { color: #ff6b6b; animation: blink 0.8s steps(2) infinite; }

@keyframes blink { 50% { opacity: 0.15; } }

.lcd-text {
  min-height: 3.2em;
  margin: 10px 0;
  font-size: clamp(0.95rem, 3vw, 1.15rem);
  line-height: 1.6;
  text-shadow: 0 0 8px rgba(125, 255, 154, 0.6);
}

.lcd-text::after {
  content: "▮";
  animation: blink 1s steps(2) infinite;
}

.lcd-bottom { border-top: 1px dashed var(--phosphor-dim); padding-top: 8px; }

.odometer { display: inline-flex; gap: 3px; }

.odometer .digit {
  display: inline-block;
  width: 1.3em;
  text-align: center;
  background: #000;
  color: #fffdf2;
  border-radius: 3px;
  border: 1px solid #1f2a22;
  font-size: 1rem;
  box-shadow: inset 0 -6px 8px rgba(0, 0, 0, 0.8);
}

/* ========== ボタンとカバー ========== */

.button-bay {
  position: relative;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background:
    repeating-linear-gradient(-45deg, rgba(255, 196, 0, 0.16) 0 16px, transparent 16px 32px),
    linear-gradient(#1d2025, #15171b);
  border: 2px solid #0a0b0d;
  box-shadow: inset 0 4px 18px rgba(0, 0, 0, 0.7);
  margin-bottom: 18px;
  perspective: 700px;
}

.button-anchor {
  position: relative;
  transition: transform 0.18s cubic-bezier(0.2, 1.6, 0.4, 1);
}

.button-base {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 38%, #565d68, #2c3138 55%, #181b1f 90%);
  border: 3px solid #0a0b0d;
  box-shadow:
    inset 0 2px 2px rgba(255, 255, 255, 0.25),
    0 10px 24px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
}

.big-button {
  width: 142px;
  height: 142px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.18em;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
  background:
    radial-gradient(circle at 38% 28%, rgba(255, 255, 255, 0.85), transparent 32%),
    radial-gradient(circle at 50% 45%, #ff5252, var(--alert) 55%, var(--alert-deep) 95%);
  box-shadow:
    0 12px 0 #6e0808,
    0 18px 26px rgba(0, 0, 0, 0.75),
    inset 0 -8px 16px rgba(0, 0, 0, 0.35);
  transform: translateY(-10px);
  transition: transform 0.08s, box-shadow 0.08s, filter 0.3s;
}

.big-button:hover { filter: brightness(1.1); }

.big-button:active,
.big-button.pressed {
  transform: translateY(2px);
  box-shadow:
    0 2px 0 #6e0808,
    0 6px 12px rgba(0, 0, 0, 0.7),
    inset 0 -4px 10px rgba(0, 0, 0, 0.4);
}

.big-button:focus-visible {
  outline: 3px dashed var(--hazard);
  outline-offset: 6px;
}

/* 安全カバー */
.safety-cover {
  position: absolute;
  inset: -14px;
  border-radius: 18px;
  background: linear-gradient(155deg, rgba(255, 220, 120, 0.34), rgba(255, 196, 0, 0.14) 55%, rgba(255, 255, 255, 0.08));
  border: 3px solid rgba(255, 196, 0, 0.85);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.25),
    0 10px 26px rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 10px;
  cursor: pointer;
  transform-origin: top center;
  transition: transform 0.55s cubic-bezier(0.3, 1.3, 0.4, 1);
  backdrop-filter: blur(1.5px);
  z-index: 2;
}

.safety-cover:hover { filter: brightness(1.15); }

.safety-cover .cover-label {
  font-weight: 900;
  letter-spacing: 0.3em;
  font-size: 0.95rem;
  color: var(--hazard);
  background: rgba(20, 16, 0, 0.82);
  padding: 4px 14px 4px 18px;
  border-radius: 4px;
  border: 1px solid var(--hazard);
}

.safety-cover.open {
  transform: rotateX(-112deg);
  pointer-events: none;
  filter: brightness(0.8);
}

.panel-note {
  font-size: 0.72rem;
  color: #7a8190;
  line-height: 1.7;
  text-align: center;
}

/* ========== フッター ========== */

.site-foot {
  text-align: center;
  font-size: 0.74rem;
  color: #5b6270;
  letter-spacing: 0.08em;
}

.foot-link {
  text-decoration: underline dotted;
  cursor: pointer;
}
.foot-link:hover { color: var(--hazard); }

.foot-tip {
  margin-top: 8px;
  color: var(--hazard);
  font-weight: 700;
}

/* ========== オーバーレイ共通 ========== */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.overlay[hidden] { display: none; }

/* 通報ダイアログ */
#report-overlay { background: rgba(5, 6, 8, 0.78); backdrop-filter: blur(3px); }

.dialog {
  width: min(440px, 92vw);
  background: #e9e9e2;
  color: #1c1c1c;
  border-radius: 8px;
  border: 2px solid #555;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  animation: dialog-pop 0.35s cubic-bezier(0.2, 1.6, 0.4, 1);
}

@keyframes dialog-pop {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.dialog-title {
  background: linear-gradient(#c62828, #8e1313);
  color: #fff;
  font-weight: 900;
  padding: 10px 16px;
  letter-spacing: 0.1em;
}

.dialog-body { padding: 18px 20px 6px; font-size: 0.92rem; line-height: 1.7; }

.dialog-table {
  width: 100%;
  margin: 12px 0;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.dialog-table td {
  border: 1px solid #b7b7ad;
  padding: 6px 10px;
}
.dialog-table td:first-child { background: #d8d8cf; font-weight: 700; width: 7.5em; }

.dialog-ok {
  display: block;
  margin: 10px auto 18px;
  padding: 9px 30px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  background: #2e3137;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.dialog-ok:hover { background: #4a4e57; }

/* 最終警告 */
.final-warning {
  background: var(--alert-deep);
  animation: fw-flash 0.4s steps(2) infinite;
}

@keyframes fw-flash {
  0%, 100% { background: #6e0808; }
  50% { background: #c41212; }
}

.final-warning-inner { text-align: center; width: 100%; }

.fw-stripes {
  height: 30px;
  background: repeating-linear-gradient(-45deg, #000 0 26px, var(--hazard) 26px 52px);
  margin: 26px 0;
}

.fw-title {
  font-weight: 900;
  font-size: clamp(2.4rem, 11vw, 6rem);
  color: #fff;
  letter-spacing: 0.2em;
  text-shadow: 0 0 30px rgba(0, 0, 0, 0.6);
}

.fw-sub {
  font-family: var(--font-lcd);
  color: #ffd9d9;
  margin-top: 10px;
  font-size: clamp(0.8rem, 2.6vw, 1.05rem);
  letter-spacing: 0.12em;
}

/* カウントダウン */
.countdown { background: #050608; }

.cd-label {
  font-family: var(--font-lcd);
  color: var(--alert);
  font-size: clamp(1rem, 3.4vw, 1.5rem);
  letter-spacing: 0.4em;
  animation: blink 0.7s steps(2) infinite;
}

.cd-number {
  font-family: var(--font-lcd);
  font-size: clamp(7rem, 36vw, 17rem);
  color: var(--alert);
  text-shadow: 0 0 50px rgba(255, 42, 42, 0.8);
  line-height: 1.1;
}

.cd-number.tick { animation: cd-pop 0.9s ease-out; }

@keyframes cd-pop {
  0% { transform: scale(1.25); filter: brightness(1.8); }
  100% { transform: scale(1); filter: brightness(1); }
}

.cd-msg {
  color: #8c93a0;
  font-size: 0.95rem;
  min-height: 1.6em;
  margin-bottom: 22px;
}

.cd-abort {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  padding: 13px 44px;
  color: #cfd3da;
  background: #23262c;
  border: 2px solid #4a4e57;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.15s;
}
.cd-abort:hover { border-color: var(--hazard); color: var(--hazard); }

/* フラッシュ */
#flash {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #fff;
  animation: whiteout 1.4s ease-out forwards;
}

@keyframes whiteout {
  0% { opacity: 0; }
  8% { opacity: 1; }
  60% { opacity: 1; }
  100% { opacity: 0; }
}

/* 偽ブルースクリーン */
.bsod {
  background: #0a48a8;
  color: #fff;
  align-items: flex-start;
  justify-content: center;
  cursor: default;
}

.bsod-inner {
  max-width: 640px;
  margin: 0 auto;
  align-self: center;
  font-size: clamp(0.95rem, 2.6vw, 1.2rem);
  line-height: 2;
}

.bsod-face { font-size: clamp(4rem, 14vw, 7rem); margin-bottom: 24px; }

.bsod-progress { margin-top: 18px; font-weight: 700; }

.bsod-code {
  margin-top: 26px;
  font-family: var(--font-lcd);
  font-size: 0.85em;
  opacity: 0.85;
  letter-spacing: 0.08em;
}

/* 再起動ターミナル */
.reboot { background: #000; align-items: flex-start; }

.reboot-log {
  font-family: var(--font-lcd);
  color: var(--phosphor);
  font-size: clamp(0.85rem, 2.6vw, 1.05rem);
  line-height: 2;
  white-space: pre-wrap;
  text-shadow: 0 0 8px rgba(125, 255, 154, 0.5);
  width: min(560px, 92vw);
  margin: 0 auto;
  align-self: center;
}

/* フィナーレ */
.finale {
  background: radial-gradient(ellipse at 50% 30%, #2c3140, #14161c 70%);
  overflow-y: auto;
}

#confetti {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.certificate {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  animation: cert-in 0.8s cubic-bezier(0.2, 1.4, 0.4, 1);
}

@keyframes cert-in {
  from { transform: translateY(50px) scale(0.85); opacity: 0; }
  to { transform: none; opacity: 1; }
}

.cert-border {
  position: relative;
  width: min(540px, 92vw);
  background: var(--paper);
  color: var(--ink);
  padding: 38px 30px 34px;
  text-align: center;
  border: 3px solid #8a7340;
  outline: 2px solid #c9b06a;
  outline-offset: -10px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.7);
}

.cert-eyebrow {
  font-size: 0.74rem;
  letter-spacing: 0.34em;
  color: #8a7340;
  font-weight: 700;
}

.cert-title {
  font-family: var(--font-pop);
  font-size: clamp(2.4rem, 9vw, 3.6rem);
  margin: 10px 0 18px;
  color: #6e0808;
}

.cert-body { line-height: 2.1; font-size: clamp(0.92rem, 2.8vw, 1.05rem); }

.cert-count {
  font-size: 1.7em;
  color: #b3140f;
}

.cert-meta {
  margin-top: 18px;
  font-size: 0.82rem;
  color: #6b5a33;
  letter-spacing: 0.06em;
}

.cert-note {
  margin-top: 14px;
  font-weight: 700;
  font-size: 0.9rem;
}

.cert-stamp {
  position: absolute;
  right: 22px;
  bottom: 20px;
  width: 76px;
  height: 76px;
  border: 3px solid rgba(196, 30, 26, 0.85);
  border-radius: 50%;
  color: rgba(196, 30, 26, 0.85);
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1.25;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transform: rotate(-14deg);
  letter-spacing: 0.1em;
}

.reset-button {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: clamp(0.9rem, 2.8vw, 1.05rem);
  letter-spacing: 0.1em;
  padding: 15px 34px;
  color: #fff;
  background: linear-gradient(#ff5252, #a30f0f);
  border: 3px solid #4a0c0c;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 8px 0 #4a0c0c, 0 16px 30px rgba(0, 0, 0, 0.6);
  transition: transform 0.1s, box-shadow 0.1s;
}

.reset-button:active {
  transform: translateY(6px);
  box-shadow: 0 2px 0 #4a0c0c, 0 6px 12px rgba(0, 0, 0, 0.6);
}

/* モーション低減設定への配慮 */
@media (prefers-reduced-motion: reduce) {
  body.shake { animation: none; }
  .final-warning { animation: none; background: #8e1313; }
}