:root {
  --font-title: "M PLUS Rounded 1c", "BIZ UDPGothic", "Yu Gothic", "Meiryo", sans-serif;
  --font-body: "BIZ UDPGothic", "Yu Gothic", "Meiryo", sans-serif;
  --font-number: "M PLUS 1p", "BIZ UDPGothic", "Yu Gothic", sans-serif;
  --font-scientific: Georgia, "Times New Roman", serif;
  --sea-japan: #123a77;
  --sea-east-china: #247c63;
  --sea-south-china: #008c99;
  --sea-pacific: #245ab7;
  --sea-indian: #7541a5;
  --sea-red-sea: #b82e3f;
  --sea-mediterranean: #b8860b;
  --sea-atlantic: #3f6b35;
  --sea-antarctic: #72b7dd;
  --sea-deep: #352052;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: #17213a;
  background:
    radial-gradient(circle at 18% 10%, rgba(119,225,239,.45), transparent 28%),
    radial-gradient(circle at 86% 0, rgba(78,162,222,.34), transparent 30%),
    linear-gradient(#dff7fc, #eef8ff 48%, #eaf2fb);
  font-family: var(--font-body);
}

button, a { font: inherit; }

.gacha-page {
  width: min(920px, calc(100% - 24px));
  margin: 0 auto;
  padding: 22px 0 54px;
}

.gacha-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 22px;
  border-radius: 22px;
  color: #fff;
  background:
    radial-gradient(circle at 86% 0, rgba(92,212,231,.55), transparent 35%),
    linear-gradient(135deg, #07366b, #08739f);
  box-shadow: 0 14px 36px rgba(9,55,94,.2);
}

.gacha-kicker {
  margin: 0;
  color: #bff3ff;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.gacha-header h1 {
  margin: 4px 0 5px;
  font-family: var(--font-title);
  font-size: clamp(1.65rem, 6vw, 2.8rem);
}

.gacha-header p:last-child {
  margin: 0;
  color: #daf8ff;
}

.gacha-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.gacha-nav a,
.gacha-result__actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 13px;
  border-radius: 999px;
  color: #fff;
  background: rgba(0,22,50,.32);
  border: 1px solid rgba(255,255,255,.4);
  font-weight: 700;
  text-decoration: none;
}

.gacha-status {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  gap: 10px;
  margin: 14px 0;
}

.gacha-status > div,
.gacha-status > button {
  min-height: 72px;
  padding: 12px 15px;
  border: 1px solid #bfd8e8;
  border-radius: 16px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 8px 22px rgba(15,55,90,.08);
}

.gacha-status > div {
  display: grid;
  align-content: center;
}

.gacha-status span {
  color: #547087;
  font-size: .76rem;
  font-weight: 700;
}

.gacha-status strong {
  color: #123a77;
  font-family: var(--font-number);
  font-size: 1.42rem;
}

.gacha-status button {
  color: #fff;
  background: #315d87;
  font-weight: 700;
  cursor: pointer;
}

.gacha-machine {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border: 5px solid #0d5f8b;
  border-radius: 28px;
  background:
    linear-gradient(rgba(255,255,255,.94), rgba(255,255,255,.94)),
    linear-gradient(135deg, #4ec4dc, #126492);
  box-shadow:
    0 18px 44px rgba(9,52,90,.22),
    inset 0 0 0 4px rgba(255,255,255,.7);
}

.gacha-machine__top {
  position: relative;
  display: grid;
  justify-items: center;
  padding: 12px 10px 18px;
  color: #fff;
  border-radius: 18px 18px 8px 8px;
  background:
    radial-gradient(circle at 50% 0, rgba(101,225,235,.8), transparent 54%),
    linear-gradient(#148bbb, #07557f);
  overflow: hidden;
}

.gacha-machine__top strong {
  z-index: 2;
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 6vw, 2.5rem);
  letter-spacing: .06em;
}

.gacha-machine__top small {
  z-index: 2;
  margin-top: 2px;
  color: #c9f6ff;
  font-weight: 700;
  letter-spacing: .18em;
}

.bubble {
  position: absolute;
  border: 2px solid rgba(255,255,255,.45);
  border-radius: 50%;
}

.bubble--1 { width: 42px; height: 42px; left: 8%; top: 18px; }
.bubble--2 { width: 24px; height: 24px; right: 14%; top: 10px; }
.bubble--3 { width: 16px; height: 16px; right: 8%; bottom: 12px; }

.gacha-window {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 310px;
  margin: 18px 0;
  overflow: hidden;
  border: 4px solid #8fb9cf;
  border-radius: 50% 50% 22px 22px / 58% 58% 22px 22px;
  background:
    radial-gradient(circle at 50% 18%, rgba(255,255,255,.95), transparent 22%),
    radial-gradient(circle at 25% 28%, #f1cc53 0 6%, transparent 6.4%),
    radial-gradient(circle at 72% 35%, #e45d7a 0 7%, transparent 7.4%),
    radial-gradient(circle at 48% 60%, #4bbfd2 0 8%, transparent 8.4%),
    linear-gradient(#bfeaf3, #4ba4c8 67%, #16618c);
  box-shadow: inset 0 -25px 45px rgba(0,42,77,.25);
}

.gacha-window p {
  position: absolute;
  z-index: 4;
  bottom: 18px;
  left: 16px;
  right: 16px;
  margin: 0;
  padding: 9px 12px;
  border-radius: 999px;
  color: #fff;
  background: rgba(0,30,60,.68);
  text-align: center;
  font-weight: 700;
}

.gacha-capsule {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: -120px;
  width: 105px;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translateX(-50%);
  background:
    linear-gradient(to bottom, #fff 0 48%, #ff6d78 49% 100%);
  border: 5px solid rgba(255,255,255,.88);
  box-shadow:
    0 13px 20px rgba(0,30,60,.28),
    inset 0 0 0 3px rgba(0,40,70,.1);
}

.gacha-capsule span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 28px;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: #ffd34c;
  border: 4px solid #fff;
}

.gacha-machine.is-spinning .gacha-window {
  animation: machine-shake .16s linear infinite;
}

.gacha-capsule.is-dropping {
  animation: capsule-drop .85s cubic-bezier(.22,.85,.28,1) forwards;
}

.gacha-draw-button {
  display: grid;
  width: min(360px, 100%);
  min-height: 78px;
  margin: 0 auto;
  place-content: center;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(#ff8c30, #e85915);
  box-shadow:
    0 9px 0 #a83a0c,
    0 16px 24px rgba(157,63,15,.25);
  cursor: pointer;
}

.gacha-draw-button span {
  font-family: var(--font-title);
  font-size: 1.35rem;
}

.gacha-draw-button small {
  margin-top: 2px;
  color: #ffe6cf;
}

.gacha-draw-button:active:not(:disabled) {
  transform: translateY(5px);
  box-shadow:
    0 4px 0 #a83a0c,
    0 10px 18px rgba(157,63,15,.22);
}

.gacha-draw-button:disabled {
  cursor: not-allowed;
  filter: grayscale(.65);
  opacity: .62;
}

.gacha-rate-note {
  margin: 18px 0 0;
  color: #597081;
  font-size: .74rem;
  text-align: center;
}

.gacha-result {
  margin-top: 20px;
  padding: 20px;
  border: 1px solid #bcd6e7;
  border-radius: 24px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 14px 36px rgba(10,48,82,.13);
}

.gacha-result__badge {
  width: max-content;
  max-width: 100%;
  margin: 0 auto 12px;
  padding: 7px 14px;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  text-align: center;
}

.gacha-result__badge.is-new { background: #e86c16; }
.gacha-result__badge.is-duplicate { background: #697782; }

.result-card {
  --sea-color: var(--sea-japan);
  display: grid;
  grid-template-columns: minmax(230px, .9fr) minmax(0, 1fr);
  overflow: hidden;
  border: 5px solid var(--sea-color);
  border-radius: 20px;
  background: #fff;
}

.result-card.sea-japan { --sea-color: var(--sea-japan); }
.result-card.sea-east-china { --sea-color: var(--sea-east-china); }
.result-card.sea-south-china { --sea-color: var(--sea-south-china); }
.result-card.sea-pacific { --sea-color: var(--sea-pacific); }
.result-card.sea-indian { --sea-color: var(--sea-indian); }
.result-card.sea-red-sea { --sea-color: var(--sea-red-sea); }
.result-card.sea-mediterranean { --sea-color: var(--sea-mediterranean); }
.result-card.sea-atlantic { --sea-color: var(--sea-atlantic); }
.result-card.sea-antarctic { --sea-color: var(--sea-antarctic); }
.result-card.sea-deep { --sea-color: var(--sea-deep); }

.result-card__visual {
  position: relative;
  display: grid;
  min-height: 280px;
  place-items: center;
  background-size: cover;
  background-position: center;
}

.result-card__visual img {
  width: 65%;
  max-height: 210px;
  object-fit: contain;
  filter: drop-shadow(0 14px 16px rgba(0,0,0,.34));
}

.result-card__number,
.result-card__rarity {
  position: absolute;
  top: 12px;
}

.result-card__number {
  left: 12px;
  padding: 7px 10px;
  border-radius: 9px;
  color: #fff;
  background: var(--sea-color);
  font-family: var(--font-number);
}

.result-card__rarity {
  right: 12px;
  color: #ffbd20;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: -.08em;
  text-shadow: 0 1px 1px #fff;
}

.result-card__body {
  display: grid;
  align-content: center;
  padding: 22px;
}

.result-card__body h2 {
  margin: 0;
  color: #123a77;
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
}

.result-card__body em {
  margin-top: 5px;
  color: #536578;
  font-family: var(--font-scientific);
}

.result-card__body > p {
  margin: 14px 0 0;
  line-height: 1.5;
}

.result-card__duplicate {
  padding: 10px 12px;
  border-radius: 10px;
  color: #5c3919;
  background: #fff2d9;
  font-weight: 700;
}

.gacha-result__actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.gacha-result__actions button,
.gacha-result__actions a {
  min-height: 44px;
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 700;
}

.gacha-result__actions button {
  border: 0;
  color: #fff;
  background: #e85c18;
  cursor: pointer;
}

.gacha-result__actions a {
  color: #fff;
  background: #246b93;
  border: 0;
}

.gacha-help {
  margin-top: 20px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255,255,255,.75);
}

.gacha-help h2 {
  margin: 0 0 8px;
  color: #17486d;
  font-family: var(--font-title);
  font-size: 1.1rem;
}

.gacha-help ul {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.7;
}

@keyframes machine-shake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-4px) rotate(-.35deg); }
  75% { transform: translateX(4px) rotate(.35deg); }
}

@keyframes capsule-drop {
  0% { top: -120px; transform: translateX(-50%) rotate(0); }
  72% { top: 115px; transform: translateX(-50%) rotate(320deg); }
  88% { top: 92px; transform: translateX(-50%) rotate(350deg); }
  100% { top: 104px; transform: translateX(-50%) rotate(360deg); }
}

@media (max-width: 680px) {
  .gacha-header {
    display: grid;
  }

  .gacha-nav {
    justify-content: flex-start;
  }

  .gacha-status {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .gacha-status > button {
    grid-column: 1 / -1;
    min-height: 48px;
  }

  .gacha-machine {
    padding: 14px;
  }

  .gacha-window {
    min-height: 280px;
  }

  .result-card {
    grid-template-columns: 1fr;
  }

  .result-card__visual {
    min-height: 245px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gacha-machine.is-spinning .gacha-window,
  .gacha-capsule.is-dropping {
    animation-duration: .01ms;
  }

  .gacha-result {
    scroll-behavior: auto;
  }
}