/* @import url("https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@900&display=swap"); */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 219, 232, 0.72), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 244, 188, 0.74), transparent 26%),
    radial-gradient(circle at bottom left, rgba(210, 239, 255, 0.62), transparent 24%),
    radial-gradient(circle at bottom right, rgba(237, 227, 255, 0.62), transparent 22%),
    linear-gradient(180deg, #fffefd 0%, #ffffff 44%, #fffafd 100%);
  color: #5f5470;
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

.qa-list a{
  text-decoration: underline;
}

.container {
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 28px 16px 64px;
}

.header {
  position: relative;
  margin: 8px 0 32px;
  padding: 1em 1.5em;
  text-align: center;
  border-radius: 24px;
  overflow: visible;
  background: white;
  box-shadow: 0 18px 36px rgba(223, 212, 233, 0.16);
  border: 1px solid #f2d8e7;
}

.title {
  margin: 0.2em 0 0;
  font-family: "M PLUS Rounded 1c", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: clamp(34px, 7vw, 54px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  font-weight: 900;
  color: #765f93;
}

.title-c-1 { color: #67d4e9; }
.title-c-2 { color: #ff8cc1; }
.title-c-3 { color: #ffd26c; }
.title-c-4 { color: #de7efc; }

.title .step0 { position: relative; top: -0.1em; }
.title .step1 { position: relative; top: 0em; }
.title .step2 { position: relative; top: -0.1em; }
.title .step3 { position: relative; top: 0em; }
.title .step4 { position: relative; top: -0.1em; }
.title .step5 { position: relative; top: -0.05em; }
.title .step6 { position: relative; top: -0.15em; }
.title .step7 { position: relative; top: -0.1em; }


.subtitle {
  margin: 0 0;
  font-size: clamp(13px, 2.1vw, 15px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #a07da9;
}


.title span {
  font-size: inherit;
  line-height: inherit;
  vertical-align: baseline;
  letter-spacing: 0;
  margin: 0;
  padding: 0;
  /* text-shadow: */
    /* 5px 5px 0px #fff,
    -5px 5px 0px #fff,
    5px -5px 0px #fff,
    -5px -5px 0px #fff,
    0 5px 0px #fff,
    5px 0 0px #fff,
    0 -5px 0px #fff,
    -5px 0 0px #fff, */
    /* 0 4px 16px rgba(120, 90, 140, 0.22),
    0 2px 8px rgba(120, 90, 140, 0.13); */
}

.page-title {
  margin: 0;
  padding: 16px 20px;
  text-align: center;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.35;
  letter-spacing: 0.02em;
  font-weight: 800;
  border-radius: 24px;
  border: 1px solid #f2d8e7;
  background:
    radial-gradient(circle at 16% 18%, rgba(255, 230, 240, 0.7), transparent 38%),
    radial-gradient(circle at 84% 82%, rgba(225, 243, 255, 0.65), transparent 34%),
    linear-gradient(135deg, rgba(255, 250, 253, 0.95), rgba(255, 255, 255, 0.95));
  box-shadow: 0 14px 30px rgba(223, 212, 233, 0.2);
  color: #7a5f94;
}

.hero {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0;
}

.hero .twitter-tweet{
  width:100% !important;
  max-width:550px;
  margin:0 auto !important;
}

.hero-image {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  margin: 0 auto;
  border-radius: 28px;
  border: 1px solid #f2dbe8;
  box-shadow: 0 18px 42px rgba(219, 201, 232, 0.2);
}

.hero-source {
  width: 100%;
  max-width: 720px;
  margin: 0;
  padding: 0 8px;
  font-size: x-small;
  line-height: 1.5;
  color: #8f819f;
  text-align: right;
}

.hero-source a {
  text-decoration: underline;
}

.countdown-section,
.tickets-section,
.members-section,
.video-section,
.qa-section {
  margin-bottom: 48px;
  padding: 28px 24px;
  border: 1px solid rgba(241, 219, 231, 0.92);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 18px 36px rgba(223, 212, 233, 0.16);
  backdrop-filter: blur(10px);
}

.section-label {
  margin: 0 0 10px;
  text-align: center;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: #c98fb8;
}

.section-title {
  margin: 0 0 20px;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  color: #6f628f;
}

.event-date {
  margin: 0 0 16px;
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  color: #ef92b3;
}

.countdown {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 14px;
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 28px;
  border-radius: 28px;
  border: 1px solid #f4d9e5;
  background:
    linear-gradient(135deg, rgba(255, 241, 247, 0.98), rgba(255, 251, 225, 0.98) 35%, rgba(238, 248, 255, 0.98) 68%, rgba(246, 241, 255, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.countdown::-webkit-scrollbar {
  display: none;
}

.countdown-prefix {
  flex: 0 0 auto;
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 700;
  color: #d183aa;
}

.time-inline {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  flex: 0 0 auto;
  white-space: nowrap;
}

.time-value {
  display: inline;
  margin-bottom: 0;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: #7b69a3;
}

.time-label {
  display: inline;
  font-size: clamp(14px, 2.1vw, 18px);
  color: #9a8bab;
  letter-spacing: 0.02em;
}

.countdown-message {
  margin: 16px 0 0;
  text-align: center;
  color: #8c7d99;
  font-size: 14px;
}

.ticket-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 560px;
  margin: 0 auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 14px 20px;
  border-radius: 999px;
  font-weight: 700;
  text-align: center;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 24px rgba(223, 209, 234, 0.2);
}

.button:hover {
  transform: translateY(-2px);
  opacity: 0.96;
}

.button.primary {
  background: linear-gradient(135deg, #ffe0eb, #fff0a8);
  color: #7b5c77;
  border: 1px solid #f5d8e8;
}

.button.secondary {
  background: linear-gradient(135deg, #eaf7ff, #f1e9ff);
  color: #6d6290;
  border: 1px solid #dde4fb;
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}

.member-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 16px;
  border: 1px solid #efdeea;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 253, 253, 0.98), rgba(255, 248, 251, 0.98)),
    radial-gradient(circle at top right, rgba(255, 228, 241, 0.35), transparent 46%);
  box-shadow: 0 8px 18px rgba(223, 209, 234, 0.12);
}

.member-name {
  font-size: 16px;
  font-weight: 700;
  color: #6b6182;
}

.member-links {
  display: grid;
  gap: 8px;
}

.x-embed-wrap {
  margin-top: 2px;
  border: 1px solid #e7e3ef;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}

.member-sns-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
}

.member-sns-link:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.x-link {
  background: linear-gradient(135deg, #f4f5f8, #edf0f7);
  border-color: #d7dce9;
  color: #3a445f;
  box-shadow: 0 4px 10px rgba(159, 169, 197, 0.18);
}

.youtube-link {
  background: linear-gradient(135deg, #fff0f1, #ffe4e7);
  border-color: #f5ccd4;
  color: #a6475c;
  box-shadow: 0 4px 10px rgba(236, 151, 168, 0.2);
}

.video-embed-wrap {
  max-width: 720px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid #efdeea;
  box-shadow: 0 10px 24px rgba(223, 209, 234, 0.16);
  background: #000;
}

.video-embed {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.official-guide {
  max-width: 720px;
  margin: 0 auto 18px;
  padding: 18px;
  border: 1px solid #e8dff4;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(238, 248, 255, 0.98), rgba(248, 242, 255, 0.98));
  text-align: center;
}

.official-guide-text {
  margin: 0 0 12px;
  color: #6d6379;
  font-size: 15px;
}

.official-guide-button {
  min-height: 48px;
}

.qa-list {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}

.qa-item {
  padding: 16px 18px;
  border: 1px solid #f0dfeb;
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff, #fffafb);
}

.qa-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.qa-item summary::-webkit-details-marker {
  display: none;
}

.qa-item p {
  margin: 12px 0 0;
  color: #6d6379;
  font-size: 15px;
}

.footer {
  padding: 24px 16px 40px;
  border-top: 1px solid #f3dfeb;
}

.footer p {
  margin: 0;
  text-align: center;
  font-size: 13px;
  color: #9c8ca3;
}

@media (max-width: 640px) {
  .container {
    padding: 16px 12px 48px;
  }

  .header {
    margin: 2px 0 16px;
    padding: 8px 2px;
  }

  .title {
    font-size: clamp(28px, 9.4vw, 38px);
    letter-spacing: 0.01em;
  }

  .subtitle {
    letter-spacing: 0.04em;
  }

  .page-title-section {
    margin: 4px 0 18px;
  }

  .page-title {
    padding: 14px 12px;
    border-radius: 20px;
    font-size: clamp(20px, 7vw, 30px);
    letter-spacing: 0.01em;
  }

  .countdown-section,
  .tickets-section,
  .members-section,
  .video-section,
  .qa-section {
    padding: 22px 14px;
    border-radius: 24px;
  }

  .members-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 24px;
  }

  .hero-image {
    border-radius: 20px;
  }

  .countdown {
    gap: 10px;
    padding: 16px 18px;
    border-radius: 22px;
  }

  .countdown-prefix {
    font-size: 18px;
  }

  .time-label {
    font-size: 13px;
  }
}