/*
Theme Name: 証言 - 怪談ミステリーゲーム
Theme URI: https://suzukinosoko.com/
Author: 鈴木彰
Description: HTML版「証言」をWordPress向けにPHPテーマ化したゲームテーマです。
Version: 2.0.0
Text Domain: shogen-game
*/

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: #000;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
}

/* ホーム画面 */
.home-screen {
  position: relative;
  width: 100vw;
  height: 100dvh;
  min-height: 620px;
  overflow: hidden;
  background-image: url("images/home.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.home-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(0, 0, 0, 0.06) 0%, rgba(0, 0, 0, 0.2) 48%, rgba(0, 0, 0, 0.78) 100%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.02) 0%, rgba(0, 0, 0, 0.14) 54%, rgba(0, 0, 0, 0.82) 100%);
}

.main-menu {
  position: absolute;
  left: 50%;
  bottom: clamp(38px, 8vh, 92px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: min(360px, 78vw);
  transform: translateX(-50%);
  animation: menuFadeIn 1.2s ease-out 0.4s both;
}

.menu-button {
  display: block;
  width: 100%;
  padding: 17px 24px 16px;
  border: 1px solid rgba(230, 218, 190, 0.78);
  border-radius: 2px;
  background: rgba(7, 5, 4, 0.58);
  box-shadow:
    0 0 24px rgba(0, 0, 0, 0.72),
    inset 0 0 18px rgba(221, 184, 120, 0.08);
  color: #f4eee1;
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: 0.22em;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  text-shadow: 0 0 10px rgba(255, 231, 188, 0.28);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.menu-button:hover,
.menu-button:focus-visible {
  outline: none;
  border-color: rgba(255, 239, 207, 0.98);
  background: rgba(26, 17, 12, 0.76);
  box-shadow:
    0 0 26px rgba(198, 137, 74, 0.28),
    inset 0 0 24px rgba(221, 184, 120, 0.13);
  transform: translateY(-2px);
}

.menu-button:active {
  transform: translateY(1px);
}


.menu-button-button {
  appearance: none;
  font-family: inherit;
  cursor: pointer;
}

.chapter-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}

.chapter-panel {
  position: relative;
  width: min(560px, 90vw);
  padding: 34px 30px 30px;
  border: 1px solid rgba(232, 221, 197, 0.82);
  border-radius: 5px;
  background:
    linear-gradient(135deg, rgba(9, 8, 9, 0.97), rgba(25, 17, 13, 0.94));
  box-shadow:
    0 0 44px rgba(0, 0, 0, 0.92),
    inset 0 0 24px rgba(221, 184, 120, 0.08);
  animation: savePanelIn 0.28s ease forwards;
}

.chapter-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(232, 221, 197, 0.52);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.38);
  color: #f4eee1;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.chapter-title {
  margin: 0 0 22px;
  color: #f5ead7;
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 400;
  letter-spacing: 0.18em;
}

.chapter-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chapter-item {
  display: block;
  padding: 18px 20px 17px;
  border: 1px solid rgba(232, 221, 197, 0.62);
  border-radius: 4px;
  background: rgba(10, 8, 8, 0.82);
  color: #f8f2e8;
  font-size: clamp(19px, 2vw, 26px);
  letter-spacing: 0.12em;
  text-decoration: none;
  text-shadow:
    0 0 12px rgba(255, 232, 190, 0.16),
    0 0 8px rgba(0, 0, 0, 1);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.chapter-item:hover,
.chapter-item:focus-visible {
  outline: none;
  border-color: rgba(255, 241, 216, 0.94);
  background: rgba(40, 27, 19, 0.9);
  transform: translateY(-1px);
}

@keyframes menuFadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, 18px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* 共通 */
.scene {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 620px;
  overflow: hidden;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.is-hidden {
  display: none !important;
}

/* はじめから：黒背景プロローグ */
.intro-screen {
  display: grid;
  place-items: center;
  cursor: pointer;
  background:
    radial-gradient(circle at center, rgba(62, 44, 32, 0.16) 0%, rgba(0, 0, 0, 0.45) 42%, #000 100%),
    #000;
}

.intro-screen.is-ending {
  animation: introToLive 0.48s ease forwards;
}

.intro-noise {
  position: absolute;
  inset: -8%;
  opacity: 0.055;
  background-image:
    repeating-radial-gradient(circle at 22% 28%, rgba(255,255,255,0.42) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.15) 0 1px, transparent 1px 8px);
  mix-blend-mode: screen;
  pointer-events: none;
  animation: noiseMove 0.8s steps(2, end) infinite;
}

.intro-shadow {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to bottom, #000 0%, rgba(0,0,0,0.18) 28%, rgba(0,0,0,0.18) 66%, #000 100%),
    radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.28) 55%, rgba(0,0,0,0.88) 100%);
}

.intro-stage {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  width: min(920px, 84vw);
  min-height: 42vh;
  padding-bottom: 7vh;
}

.intro-paragraph {
  width: 100%;
  margin: 0;
  color: rgba(247, 244, 238, 0.96);
  font-size: clamp(23px, 2.35vw, 34px);
  font-weight: 400;
  line-height: 2.05;
  letter-spacing: 0.12em;
  text-align: left;
  white-space: pre-line;
  text-shadow:
    0 0 20px rgba(255, 237, 204, 0.20),
    0 0 8px rgba(0, 0, 0, 1);
  opacity: 0;
  filter: blur(5px);
  transform: translateY(26px);
}

.intro-paragraph.is-visible {
  animation: textFloatIn 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.intro-paragraph.is-fading {
  animation: textFadeOut 0.24s ease forwards;
}

.intro-ui {
  position: absolute;
  left: 50%;
  bottom: clamp(26px, 5vh, 58px);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translateX(-50%);
}

.intro-progress {
  margin: 0;
  color: rgba(247, 244, 238, 0.45);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.intro-guide {
  margin: 0;
  color: rgba(247, 244, 238, 0.74);
  font-size: 14px;
  letter-spacing: 0.24em;
  text-shadow: 0 0 10px rgba(0,0,0,1);
  animation: guideBlink 1.8s ease-in-out infinite;
}


/* 新プロローグ画面 */
.prologue-screen {
  display: block;
  cursor: pointer;
  background-image: url("images/prologue.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.prologue-screen .live-vignette {
  z-index: 1;
}

.prologue-speech-box {
  position: absolute;
  left: 50%;
  bottom: clamp(20px, 4.2vh, 44px);
  z-index: 2;
  opacity: 1;
  transform: translate(-50%, 0);
}

.prologue-speech-box .speech-text {
  opacity: 1;
  filter: none;
  transform: none;
  white-space: pre-line;
}

.prologue-speech-box .speaker-portrait {
  opacity: 1;
  filter: none;
  transform: none;
  object-position: center top;
}

.prologue-speech-box .portrait-frame {
  background:
    radial-gradient(circle at center, rgba(86, 60, 38, 0.18), rgba(0, 0, 0, 0.72));
}

.intro-ui-hidden {
  display: none;
}

/* 怪談ライブ会場 */
.live-screen {
  background-image: url("images/live_venue.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  opacity: 0;
  filter: blur(4px);
  transform: scale(1.018);
}

.live-screen.is-visible {
  animation: liveSceneIn 0.9s ease forwards;
}

.live-screen.is-call-bg {
  background-image: url("images/call.png");
}

.live-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.14) 0%, rgba(0,0,0,0.02) 45%, rgba(0,0,0,0.64) 100%),
    radial-gradient(circle at center, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0.14) 52%, rgba(0,0,0,0.74) 100%);
}

.speech-box {
  position: absolute;
  left: 50%;
  bottom: clamp(20px, 4.2vh, 44px);
  z-index: 2;
  width: min(1160px, 90vw);
  min-height: 168px;
  padding: 24px 210px 30px 34px;
  transform: translate(-50%, 22px);
  border: 1px solid rgba(232, 221, 197, 0.76);
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(8, 7, 8, 0.9), rgba(16, 12, 10, 0.8));
  box-shadow:
    0 0 34px rgba(0, 0, 0, 0.92),
    inset 0 0 22px rgba(221, 184, 120, 0.07);
  opacity: 0;
}

.live-screen.is-visible .speech-box {
  animation: speechFloatIn 0.72s ease 0.42s forwards;
}

.speech-main {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.portrait-frame {
  position: absolute;
  right: 34px;
  bottom: 18px;
  z-index: 3;
  width: 146px;
  height: 146px;
  overflow: hidden;
  border: 1px solid rgba(232, 221, 197, 0.62);
  border-radius: 4px;
  background:
    radial-gradient(circle at center, rgba(86, 60, 38, 0.35), rgba(0, 0, 0, 0.72));
  box-shadow:
    0 0 20px rgba(0, 0, 0, 0.86),
    inset 0 0 18px rgba(221, 184, 120, 0.08);
}

.speaker-portrait {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0;
  filter: blur(3px);
  transform: scale(1.04);
}

.speaker-portrait.is-visible {
  animation: portraitIn 0.36s ease forwards;
}

.speaker-portrait.is-changing {
  animation: portraitOut 0.18s ease forwards;
}

.speaker-label {
  display: inline-block;
  min-width: 132px;
  margin-bottom: 16px;
  padding: 6px 18px 8px;
  border-left: 3px solid rgba(236, 208, 162, 0.8);
  border-bottom: 1px solid rgba(232, 221, 197, 0.62);
  color: #f5ead7;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1;
  letter-spacing: 0.18em;
  text-shadow: 0 0 12px rgba(0, 0, 0, 1);
}

.speech-text {
  margin: 0;
  color: #f8f2e8;
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.75;
  letter-spacing: 0.08em;
  text-shadow:
    0 0 14px rgba(255, 232, 190, 0.15),
    0 0 8px rgba(0, 0, 0, 1);
}

.speech-text.is-visible {
  animation: dialogueTextIn 0.32s ease forwards;
}

.speech-text.is-changing {
  animation: dialogueTextOut 0.18s ease forwards;
}

.speech-caret {
  position: absolute;
  right: 26px;
  bottom: 18px;
  color: rgba(245, 234, 215, 0.75);
  font-size: 15px;
  animation: caretBlink 1.3s ease-in-out infinite;
}


.choice-box {
  position: absolute;
  left: 50%;
  bottom: clamp(218px, 27vh, 300px);
  z-index: 4;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: min(520px, 78vw);
  transform: translate(-50%, 20px);
  opacity: 0;
}

.choice-box.is-visible {
  animation: choiceFloatIn 0.45s ease forwards;
}

.choice-button {
  width: 100%;
  padding: 18px 24px 17px;
  border: 1px solid rgba(232, 221, 197, 0.82);
  border-radius: 4px;
  background:
    linear-gradient(135deg, rgba(12, 10, 10, 0.94), rgba(32, 22, 16, 0.86));
  box-shadow:
    0 0 26px rgba(0, 0, 0, 0.86),
    inset 0 0 18px rgba(221, 184, 120, 0.07);
  color: #f7eddd;
  cursor: pointer;
  font-family: inherit;
  font-size: clamp(20px, 2vw, 27px);
  letter-spacing: 0.14em;
  text-align: center;
  text-shadow:
    0 0 12px rgba(255, 232, 190, 0.16),
    0 0 8px rgba(0, 0, 0, 1);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.choice-button:hover,
.choice-button:focus-visible {
  outline: none;
  border-color: rgba(255, 241, 216, 1);
  background:
    linear-gradient(135deg, rgba(28, 20, 16, 0.98), rgba(58, 37, 23, 0.92));
  box-shadow:
    0 0 32px rgba(205, 147, 84, 0.26),
    inset 0 0 24px rgba(221, 184, 120, 0.12);
  transform: translateY(-2px);
}

.choice-button:active {
  transform: translateY(1px);
}


.choice-note {
  margin: 0 0 4px;
  padding: 8px 4px 4px;
  color: rgba(248, 242, 232, 0.78);
  font-size: clamp(14px, 1.5vw, 18px);
  letter-spacing: 0.08em;
  text-align: center;
  text-shadow: 0 0 8px rgba(0, 0, 0, 1);
}

.choice-box:has(.clue-button) {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: min(780px, 86vw);
}

.choice-box:has(.clue-button) .choice-note {
  grid-column: 1 / -1;
}

.choice-box:has(.clue-button) .choice-button {
  padding: 14px 12px 13px;
  font-size: clamp(16px, 1.65vw, 22px);
  letter-spacing: 0.08em;
}

.choice-button.is-selected {
  border-color: rgba(255, 241, 216, 1);
  background:
    linear-gradient(135deg, rgba(50, 34, 22, 0.98), rgba(90, 55, 29, 0.92));
  box-shadow:
    0 0 28px rgba(205, 147, 84, 0.34),
    inset 0 0 24px rgba(221, 184, 120, 0.18);
}

@keyframes choiceFloatIn {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}


/* セーブ／ロード */
.save-button {
  position: fixed;
  top: clamp(16px, 3vh, 28px);
  right: clamp(16px, 3vw, 34px);
  z-index: 30;
  padding: 10px 18px 9px;
  border: 1px solid rgba(232, 221, 197, 0.74);
  border-radius: 3px;
  background: rgba(7, 5, 4, 0.68);
  box-shadow:
    0 0 18px rgba(0, 0, 0, 0.72),
    inset 0 0 14px rgba(221, 184, 120, 0.08);
  color: #f4eee1;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-shadow: 0 0 8px rgba(0, 0, 0, 1);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.save-button:hover,
.save-button:focus-visible {
  outline: none;
  border-color: rgba(255, 241, 216, 0.96);
  background: rgba(26, 17, 12, 0.8);
  transform: translateY(-1px);
}

.save-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}

.save-panel {
  position: relative;
  width: min(620px, 92vw);
  padding: 30px 30px 28px;
  border: 1px solid rgba(232, 221, 197, 0.82);
  border-radius: 5px;
  background:
    linear-gradient(135deg, rgba(9, 8, 9, 0.97), rgba(25, 17, 13, 0.94));
  box-shadow:
    0 0 44px rgba(0, 0, 0, 0.92),
    inset 0 0 24px rgba(221, 184, 120, 0.08);
  animation: savePanelIn 0.28s ease forwards;
}

.save-close {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(232, 221, 197, 0.52);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.38);
  color: #f4eee1;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.save-title {
  margin: 0 0 8px;
  color: #f5ead7;
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 400;
  letter-spacing: 0.18em;
}

.save-message {
  margin: 0 0 20px;
  color: rgba(248, 242, 232, 0.78);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.save-slots {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.save-slot {
  display: flex;
  flex-direction: column;
  gap: 7px;
  width: 100%;
  padding: 16px 18px 15px;
  border: 1px solid rgba(232, 221, 197, 0.62);
  border-radius: 4px;
  background: rgba(10, 8, 8, 0.82);
  color: #f8f2e8;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.save-slot:hover,
.save-slot:focus-visible {
  outline: none;
  border-color: rgba(255, 241, 216, 0.94);
  background: rgba(40, 27, 19, 0.9);
  transform: translateY(-1px);
}

.save-slot-title {
  font-size: 18px;
  letter-spacing: 0.12em;
}

.save-slot-meta {
  color: rgba(248, 242, 232, 0.66);
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: 0.05em;
}

.save-slot.is-empty .save-slot-meta {
  color: rgba(248, 242, 232, 0.42);
}

@keyframes savePanelIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes textFloatIn {
  0% {
    opacity: 0;
    filter: blur(5px);
    transform: translateY(26px);
  }
  58% {
    opacity: 1;
    filter: blur(0);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@keyframes textFadeOut {
  from {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
  to {
    opacity: 0;
    filter: blur(3px);
    transform: translateY(-14px);
  }
}

@keyframes introToLive {
  from {
    opacity: 1;
    filter: blur(0);
  }
  to {
    opacity: 0;
    filter: blur(5px);
  }
}

@keyframes liveSceneIn {
  from {
    opacity: 0;
    filter: blur(4px);
    transform: scale(1.018);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

@keyframes speechFloatIn {
  from {
    opacity: 0;
    transform: translate(-50%, 22px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@keyframes portraitIn {
  from {
    opacity: 0;
    filter: blur(3px);
    transform: scale(1.04);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

@keyframes portraitOut {
  from {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
  to {
    opacity: 0;
    filter: blur(3px);
    transform: scale(1.03);
  }
}

@keyframes dialogueTextIn {
  from {
    opacity: 0;
    filter: blur(2px);
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@keyframes dialogueTextOut {
  from {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
  to {
    opacity: 0;
    filter: blur(2px);
    transform: translateY(-5px);
  }
}

@keyframes guideBlink {
  0%, 100% { opacity: 0.42; }
  50% { opacity: 0.94; }
}

@keyframes caretBlink {
  0%, 100% { opacity: 0.35; transform: translateY(0); }
  50% { opacity: 0.95; transform: translateY(3px); }
}

@keyframes noiseMove {
  from { transform: translate(0, 0); }
  to { transform: translate(-2px, 2px); }
}

@media (max-width: 720px) {
  .home-screen,
  .scene {
    min-height: 100dvh;
  }

  .main-menu {
    bottom: 38px;
    width: min(310px, 82vw);
    gap: 12px;
  }

  .menu-button {
    padding: 15px 18px 14px;
    letter-spacing: 0.16em;
  }

  .intro-stage {
    width: 84vw;
    min-height: 48vh;
    padding-bottom: 5vh;
  }

  .intro-paragraph {
    font-size: clamp(20px, 5.2vw, 27px);
    line-height: 1.9;
    letter-spacing: 0.08em;
  }

  .speech-box {
    width: 92vw;
    min-height: 138px;
    padding: 18px 118px 26px 20px;
  }

  .portrait-frame {
    right: 18px;
    bottom: 18px;
    width: 82px;
    height: 82px;
  }

.speaker-label {
    min-width: 104px;
    margin-bottom: 12px;
    padding-left: 14px;
  }

  .speech-text {
    font-size: clamp(20px, 5vw, 25px);
    line-height: 1.65;
  }
  .choice-box {
    bottom: 188px;
    width: 84vw;
    gap: 10px;
  }

  .choice-button {
    padding: 15px 18px 14px;
    font-size: clamp(18px, 4.7vw, 23px);
    letter-spacing: 0.1em;
  }

  .save-button {
    top: 10px;
    right: 10px;
    padding: 8px 13px 7px;
    font-size: 12px;
    letter-spacing: 0.14em;
  }

  .save-panel {
    padding: 26px 18px 22px;
  }

  .save-slot {
    padding: 14px 14px 13px;
  }

  .save-slot-title {
    font-size: 16px;
  }

  .save-slot-meta {
    font-size: 12px;
  }

  .chapter-panel {
    padding: 30px 18px 22px;
  }

  .chapter-item {
    padding: 15px 16px 14px;
    font-size: clamp(17px, 4.5vw, 22px);
    letter-spacing: 0.08em;
  }

  .choice-box:has(.clue-button) {
    bottom: 178px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 88vw;
    gap: 8px;
  }

  .choice-box:has(.clue-button) .choice-button {
    padding: 12px 10px 11px;
    font-size: clamp(15px, 4vw, 19px);
  }

  .choice-note {
    font-size: 13px;
  }

}


/* プロローグの吹き出し・九重表示を確実に出すための上書き */
.prologue-screen .prologue-speech-box {
  display: flex !important;
  position: absolute !important;
  left: 50% !important;
  bottom: clamp(20px, 4.2vh, 44px) !important;
  z-index: 20 !important;
  width: min(1160px, 90vw) !important;
  min-height: 168px !important;
  padding: 24px 210px 30px 34px !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: translate(-50%, 0) !important;
}

.prologue-screen .prologue-speech-box .speech-main {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.prologue-screen .prologue-speech-box .speaker-label {
  display: inline-block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.prologue-screen .prologue-speech-box .speech-text,
.prologue-screen .prologue-speech-box .intro-dialogue-text {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
  filter: none !important;
  transform: none !important;
  white-space: pre-line !important;
}

.prologue-screen .prologue-speech-box .portrait-frame,
.prologue-screen .prologue-speech-box .prologue-portrait-frame {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
  z-index: 25 !important;
}

.prologue-screen .prologue-speech-box .speaker-portrait,
.prologue-screen .prologue-speech-box .prologue-portrait {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
  filter: none !important;
  transform: none !important;
  object-fit: cover !important;
  object-position: center top !important;
}

.prologue-screen .speech-caret {
  display: inline-block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

@media (max-width: 720px) {
  .prologue-screen .prologue-speech-box {
    width: 92vw !important;
    min-height: 138px !important;
    padding: 18px 118px 26px 20px !important;
  }
}


/* 九重2差し替え後のプロローグ補強 */
.prologue-screen .prologue-speech-box .prologue-portrait {
  object-fit: cover !important;
  object-position: center top !important;
  background: #000;
}


/* プロローグ会話の切り替えを、逢魔・鈴木パートと同じように滑らかにする */
.prologue-screen .prologue-speech-box .speech-text.is-visible,
.prologue-screen .prologue-speech-box .speaker-portrait.is-visible {
  animation: dialogueTextIn 0.32s ease forwards;
}

.prologue-screen .prologue-speech-box .speech-text.is-changing {
  display: block !important;
  visibility: visible !important;
  animation: dialogueTextOut 0.18s ease forwards;
}

.prologue-screen .prologue-speech-box .speaker-portrait.is-changing {
  display: block !important;
  visibility: visible !important;
  animation: portraitOut 0.18s ease forwards;
}


/* プロローグ冒頭会話：九重⇔鈴木の切り替えを確実に滑らかにする最終上書き */
.prologue-screen .prologue-speech-box .intro-dialogue-text,
.prologue-screen .prologue-speech-box .prologue-portrait {
  transition:
    opacity 0.22s ease,
    filter 0.22s ease,
    transform 0.22s ease !important;
}

.prologue-screen .prologue-speech-box .intro-dialogue-text.intro-fade-out {
  opacity: 0 !important;
  visibility: visible !important;
  filter: blur(3px) !important;
  transform: translateY(-6px) !important;
}

.prologue-screen .prologue-speech-box .intro-dialogue-text.intro-fade-in {
  opacity: 1 !important;
  visibility: visible !important;
  filter: blur(0) !important;
  transform: translateY(0) !important;
}

.prologue-screen .prologue-speech-box .prologue-portrait.intro-fade-out {
  opacity: 0 !important;
  visibility: visible !important;
  filter: blur(3px) !important;
  transform: scale(1.035) !important;
}

.prologue-screen .prologue-speech-box .prologue-portrait.intro-fade-in {
  opacity: 1 !important;
  visibility: visible !important;
  filter: blur(0) !important;
  transform: scale(1) !important;
}

.prologue-screen .prologue-speech-box .speech-text.is-changing,
.prologue-screen .prologue-speech-box .speaker-portrait.is-changing {
  opacity: 0 !important;
  visibility: visible !important;
}


/* プロローグ中の捜査資料背景 */
.prologue-screen.is-sousasiryou-bg {
  background-image: url("images/sousasiryou.png") !important;
  background-position: center center !important;
  background-size: cover !important;
  background-repeat: no-repeat !important;
}


/* 噂から怪談ライブへ向かう暗転ナレーション */
.prologue-screen.is-black-bg {
  background-image: none !important;
  background-color: #000 !important;
}

.intro-narration {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 8vh 9vw;
  pointer-events: none;
}

.intro-narration.is-visible {
  display: flex;
}

.intro-narration-text {
  max-width: 920px;
  color: rgba(246, 246, 246, 0.94);
  font-size: clamp(22px, 3vw, 42px);
  font-weight: 500;
  line-height: 2.05;
  letter-spacing: 0.12em;
  text-align: left;
  white-space: pre-line;
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.14), 0 0 32px rgba(0, 0, 0, 1);
  opacity: 0;
  transform: translateY(12px);
}

.prologue-screen.is-narration-mode .prologue-speech-box {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.prologue-screen.is-narration-mode .live-vignette {
  opacity: 0.35;
}

.intro-narration-text.intro-fade-out {
  opacity: 0 !important;
  filter: blur(3px) !important;
  transform: translateY(-8px) !important;
  transition: opacity 0.22s ease, filter 0.22s ease, transform 0.22s ease !important;
}

.intro-narration-text.intro-fade-in {
  opacity: 1 !important;
  filter: blur(0) !important;
  transform: translateY(0) !important;
  transition: opacity 0.42s ease, filter 0.42s ease, transform 0.42s ease !important;
}


/* 電話に出た後の劇場外背景 */
.live-screen.is-gekijou-bg {
  background-image: url("images/gekijou.png") !important;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.live-screen.is-bg-changing {
  filter: brightness(0);
  transition: filter 0.18s ease;
}

.live-screen:not(.is-bg-changing) {
  transition: filter 0.26s ease;
}

.live-screen.is-bg-changing .speech-box,
.live-screen.is-bg-changing .choice-box {
  opacity: 0 !important;
}


/* 電話後、劇場へ戻る暗転ジャンプ */
.live-screen.is-bg-changing {
  filter: brightness(0) !important;
  transition: filter 0.26s ease !important;
}

.live-screen.is-bg-changing .speech-box,
.live-screen.is-bg-changing .choice-box {
  opacity: 0 !important;
}


/* 雛見沢駅・事件現場へ向かう背景 */
.live-screen.is-hinamizawa-bg {
  background-image: url("images/hinamizawa.png") !important;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.live-screen.is-prologue-bg {
  background-image: url("images/prologue.png") !important;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.live-screen.is-long-bg-changing {
  filter: brightness(0) !important;
  transition: filter 0.65s ease !important;
}

.live-screen.is-long-bg-changing .speech-box,
.live-screen.is-long-bg-changing .choice-box {
  opacity: 0 !important;
}


/* END.1 overlay */
.live-screen.is-ending-black {
  background-image: none !important;
  background-color: #000 !important;
}

.live-screen.is-ending-black .speech-box,
.live-screen.is-ending-black .choice-box {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.ending-narration {
  position: absolute;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 8vh 9vw;
  background: #000;
  pointer-events: none;
}

.ending-narration.is-visible {
  display: flex;
}

.ending-narration-text {
  max-width: 980px;
  color: rgba(246, 246, 246, 0.94);
  font-size: clamp(22px, 3vw, 42px);
  font-weight: 500;
  line-height: 2.05;
  letter-spacing: 0.12em;
  text-align: left;
  white-space: pre-line;
  text-shadow: 0 0 18px rgba(255, 255, 255, 0.14), 0 0 32px rgba(0, 0, 0, 1);
  opacity: 0;
  transform: translateY(12px);
}

.ending-narration-text.ending-fade-out {
  opacity: 0 !important;
  filter: blur(3px) !important;
  transform: translateY(-8px) !important;
  transition: opacity 0.22s ease, filter 0.22s ease, transform 0.22s ease !important;
}

.ending-narration-text.ending-fade-in {
  opacity: 1 !important;
  filter: blur(0) !important;
  transform: translateY(0) !important;
  transition: opacity 0.42s ease, filter 0.42s ease, transform 0.42s ease !important;
}