@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Serif+JP:wght@400;500;600&display=swap');

:root {
  --paper: #eee9dd;
  --ink: #262727;
  --night: #17191a;
  --blue: #29333a;
  --gold: #b99973;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--paper);
  background: #101214;
  font-family: "Noto Serif JP", serif;
}

button {
  font: inherit;
  cursor: pointer;
}

.title-screen[hidden],
.novel-screen[hidden],
.ending-screen[hidden] {
  display: none;
}

.game-shell {
  min-height: 100vh;
  max-width: 1500px;
  margin: auto;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 68% 18%, #4b4a43 0, #292b2a 34%, #151819 80%);
}

.game-header {
  position: absolute;
  z-index: 5;
  top: 0;
  width: 100%;
  padding: 19px 28px;
  display: flex;
  justify-content: space-between;
  color: #d9d4c9;
  font: 12px "DM Mono", monospace;
  letter-spacing: .09em;
}

.game-header a {
  color: inherit;
  text-decoration: none;
}

.game-header p {
  margin: 0;
}

/* ------------------------------
   タイトル / エンディング
------------------------------ */

.title-screen,
.ending-screen {
  width: min(760px, calc(100% - 40px));
  min-height: 100vh;
  margin: auto;
  padding: 15vh 0 80px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.title-screen > p:first-child,
.ending-screen > p:first-child {
  color: #c3a17b;
  font: 12px "DM Mono", monospace;
  letter-spacing: .12em;
}

.title-screen h1,
.ending-screen h1 {
  margin: 12px 0;
  font-size: clamp(48px, 9vw, 102px);
  font-weight: 500;
  letter-spacing: .14em;
  line-height: 1.15;
}

.subtitle {
  max-width: 34em;
  color: #d2d1c9;
}

.title-screen dl {
  width: min(480px, 100%);
  margin: 34px 0;
  padding: 18px 0;
  border-top: 1px solid rgba(238, 233, 221, .35);
  border-bottom: 1px solid rgba(238, 233, 221, .35);
}

.title-screen dl div {
  display: grid;
  grid-template-columns: 5em 1fr;
  gap: 15px;
}

.title-screen dt {
  color: #bba184;
  font-size: 13px;
}

.title-screen dd {
  margin: 0;
}

.title-screen button,
.ending-links button {
  padding: 15px 20px;
  color: #211b17;
  border: 0;
  background: #d8bb95;
}

.title-screen button span {
  margin-left: 24px;
}

/* ------------------------------
   ゲーム画面
------------------------------ */

.novel-screen {
  min-height: 100vh;
  position: relative;
}

.scene-backdrop {
  min-height: 100vh;
  position: relative;
  overflow: hidden;

  background:
    linear-gradient(
      90deg,
      rgba(9, 12, 13, .62),
      rgba(18, 18, 16, .08) 45%,
      rgba(8, 10, 10, .58)
    ),
    url('../image/喫茶店.png') center/cover;
}

.scene-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      transparent 58%,
      rgba(0, 0, 0, .72)
    );
  pointer-events: none;
}

/* GAME 002では不要 */
.bookcase,
.window-light {
  display: none;
}

/* ------------------------------
   キャラクター
------------------------------ */

.standing {
  width: min(36vw, 460px);
  height: 83vh;
  position: absolute;
  bottom: 0;
  z-index: 1;

  background-repeat: no-repeat;
  background-position: bottom center;
  background-size: contain;

  filter: drop-shadow(0 12px 16px #000);
  transition:
    opacity .3s,
    filter .3s;
}

.standing.student {
  left: 7%;
  background-image: url('../image/student.png');
}

.standing.staff {
  right: 8%;
  background-image: url('../image/staff.png');
}

.standing:not(.active) {
  opacity: .42;
  filter: brightness(.48) saturate(.45);
}

/* ------------------------------
   シーン情報
------------------------------ */

.scene-meta {
  position: absolute;
  z-index: 3;
  top: 76px;
  left: 28px;

  display: flex;
  gap: 18px;

  color: #ddd6c9;
  font: 11px "DM Mono", monospace;
  letter-spacing: .08em;
}

.scene-meta span:first-child {
  color: #d2ad82;
}

/* ------------------------------
   台詞
------------------------------ */

.dialogue-box {
  min-height: 176px;
  width: min(1060px, calc(100% - 64px));

  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 30px;

  transform: translateX(-50%);

  padding: 26px 68px 26px 30px;

  display: block;

  color: #f2eee5;
  border: 1px solid rgba(235, 228, 214, .6);
  text-align: left;

  background: rgba(16, 19, 19, .87);
  backdrop-filter: blur(5px);
}

.speaker {
  min-height: 24px;
  display: block;
  color: #d8b28b;
  font-size: 15px;
}

.line {
  display: block;
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.9;
}

.next-mark {
  position: absolute;
  right: 23px;
  bottom: 20px;

  color: #c9a176;
  font-size: 12px;

  animation: blink 1.3s infinite;
}

@keyframes blink {
  50% {
    opacity: .2;
  }
}

/* ------------------------------
   選択肢
------------------------------ */

.choices {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: 225px;

  width: min(640px, calc(100% - 64px));

  transform: translateX(-50%);

  display: grid;
  gap: 10px;
}

.choices button {
  padding: 15px 20px;

  color: #f3ede3;
  border: 1px solid rgba(233, 220, 203, .65);
  background: rgba(17, 27, 36, .92);

  text-align: left;
}

.choices button:hover {
  color: #1b1713;
  background: #ddc3a1;
}

/* ------------------------------
   エンディング
------------------------------ */

.ending-screen {
  text-align: center;
  align-items: center;
}

.ending-screen h1 {
  color: #e2c39f;
}

.ending-screen > p:nth-of-type(2) {
  max-width: 33em;
}

.ending-links {
  margin-top: 35px;

  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.ending-links a {
  padding: 14px 18px;

  color: #eee7dc;
  border: 1px solid rgba(238, 233, 221, .5);

  text-decoration: none;
}

/* ------------------------------
   スマホ
------------------------------ */

@media (max-width: 650px) {

  .game-header {
    padding: 14px;
    font-size: 10px;
  }

  .title-screen,
  .ending-screen {
    padding-top: 90px;
  }

  .scene-meta {
    top: 55px;
    left: 15px;
  }

  .standing {
    width: 64vw;
    height: 66vh;
  }

  .standing.student {
    left: -10%;
  }

  .standing.staff {
    right: -12%;
  }

  .dialogue-box {
    width: calc(100% - 24px);
    min-height: 185px;

    bottom: 12px;

    padding: 20px 42px 20px 18px;
  }

  .choices {
    width: calc(100% - 24px);
    bottom: 215px;
  }

  .line {
    font-size: 16px;
  }
}