@charset "utf-8";

/*
Theme Name: REGIST
*/

/* =========================
   Base / Reset
========================= */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background: #000;
  color: #fff;

  opacity: 1;                 /* 初期は表示 */
  transition: opacity 0.35s ease;
}

body.is-fadeout {
  opacity: 0;
}


body.is-fadeout {
  opacity: 0;
}

/* トップページだけ少しゆっくり */
body.home {
  transition-duration: 0.4s;
}


/* =========================
   Layout
========================= */
main {
  display: block;
}

main.home {
  background: #000;
  color: #fff;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2 {
  margin: 0;
  font-weight: 700;
}

section h2 {
  margin-bottom: 3rem;
}

p, li {
  line-height: 1.7;
}

/* =========================
   HERO
========================= */

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("images/top.jpg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
  background-color: #000;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: 0.2em;
  margin: 0;
  font-weight: 600;
}

.hero .tagline {
  margin-top: 1.2rem;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  opacity: 0.7;
}

/* =========================
   HERO Animation
========================= */
/* HERO layout */
.hero-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* HERO animation */
.hero-inner.is-animated {
  opacity: 0;
  transform: translateY(20px);
  animation: heroFade 1.2s ease-out forwards;
  animation-delay: 0.4s;
}

@keyframes heroFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================
   Scroll Indicator
========================= */

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  opacity: 0.6;
  pointer-events: none;
}

.scroll-indicator span {
  display: block;
  margin-bottom: 8px;
}

.scroll-indicator i {
  display: block;
  width: 1px;
  height: 30px;
  background: #fff;
  margin: 0 auto;
  animation: scrollLine 1.5s ease-in-out infinite;
}

@keyframes scrollLine {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  50% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* =========================
   ABOUT
========================= */

.section-title {
  font-size: 1.6rem;
  letter-spacing: 0.25em;
  opacity: 0.35;
  font-weight: 600;
}

.about {
  background: #111;
  padding: 5rem 1.5rem 2.2rem; /* Base spacing (PC基準) */
}

.about-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.about h2 {
  margin-bottom: 2.4rem;
}

.about p {
  letter-spacing: 0.04em;
}

.about-ja {
  font-size: 1.2rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
  margin-bottom: 1.2rem; /* ← 詰める */
  opacity: 0.85;
}

.about-en {
  font-size: 0.9rem;
  line-height: 1.6;
  letter-spacing: 0.06em;
  opacity: 0.65;
}

/* =========================
   NEXT LIVE
========================= */

.live {
  background: #111;
  padding: 4.2rem 1.5rem 4.2rem;
}

.live-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.live h2 {
  margin-bottom: 1.9rem;
}

.live-box {
  border: 1px solid rgba(255,255,255,0.2);
  padding: 2.6rem 2rem;
  line-height: 1.7;
  backdrop-filter: blur(2px); /* 対応ブラウザのみ */
}

.live-title {
  font-size: 1.35rem;
  letter-spacing: 0.12em;
  margin-bottom: 1.2rem; /* ← 1.5 → 1.2 */
  text-transform: uppercase;
  opacity: 0.85;}

.live-date {
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
  line-height: 1.3;
}

.live-date span {
  font-size: 0.85rem;
  opacity: 0.55;
  margin-left: 0.35rem;
}

.live-venue {
  margin-top: 0.6rem;  /* ← 0.9 → 0.6 */
  font-size: 0.95rem;
  opacity: 0.75;
}

.live-ticket {
  font-size: 0.95rem;
  margin-top: 1.4rem;
  margin-bottom: 0.4rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  opacity: 0.8;
}

.live-note {
  margin-top: 1.4rem;
  font-size: 0.8rem;
  line-height: 1.6;
  opacity: 0.45;   /* ← 0.55 → 0.45 */
  font-style: italic;
}

.live-title-link {
  text-decoration: none;
  color: inherit;
  opacity: 0.85;
  transition: opacity 0.25s ease;
  display: inline-block;
  padding: 0.2em 0;
}

.live-title-link:hover {
  opacity: 1;
}

/* =========================
   Footer
========================= */

.footer-visual {
  position: relative;
  height: 55vh;
  background-image: url("images/footer.jpg");
  background-size: cover;
  background-position: center;
  margin-bottom: -1px; /* 黒の継ぎ目を消す */
}


.footer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-overlay h2 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: 0.35em;
  opacity: 0.12;
}

.site-footer {
  background: #0c0c0c;
  padding: 3.6rem 20px 3rem;
  text-align: center;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.footer-logo {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: 0.28em;
  line-height: 1.2;
  opacity: 0.85;
  margin-bottom: 1.8rem;
}

.footer-copy {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  line-height: 1.6;
  opacity: 0.55;
}

.footer-anniv {
  display: block;
  margin-top: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  opacity: 0.75;
}

.site-footer::before {
  content: "";
  display: block;
  height: 1px;
  width: 100%;
  margin-top: 0;
  margin-bottom: 2.2rem;
  background: linear-gradient(
    to right,
    transparent,
    rgba(255,255,255,0.06),
    transparent
  );
}

/* =========================
   Responsive(Mobile Image Switch)
========================= */

@media (max-width: 768px) {
  /* Tablet / Mobile */
  body {
    transition-duration: 0.25s;
  }

  body.home {
    transition-duration: 0.3s;
  }

  .hero-bg {
    background-image: url("images/smp_top.jpg");
    background-size: cover;
  }
  .hero {
    min-height: 90svh;
  }

  .hero-inner {
    padding-top: 6vh;
  }

  .about {
    padding: 3rem 1.5rem; /* Tablet */
  }

  .about-inner {
    text-align: left;
    max-width: 32em;
    margin: 0 auto;
  }

  .about-ja {
    font-size: 1.05rem;
    line-height: 1.95;
    margin-bottom: 1rem;
  }

  .about-en {
    font-size: 0.85rem;
    line-height: 1.6;
  }

 .live {
    padding: 4.5rem 1.5rem 3.6rem;
  }

  .site-footer {
    padding: 4.2rem 16px 2.8rem;
  }

  .page-header {
    padding-top: 4.5rem;
    padding-bottom: 2.8rem;
  }


  .page-content section {
    margin-bottom: 2.4rem;
  }

}





@media (max-width: 480px) {
  /* Small Mobile */

  .live {
    padding: 3.4rem 1.2rem 2.6rem;
  }

  .live-box {
    padding: 2.2rem 1.4rem;
  }

  .live-date {
    font-size: 1.45rem;
    margin-bottom: 0.3rem;
  }

  .live-venue {
    margin-top: 0.8rem;
  }

  .live-ticket {
    margin-top: 1.6rem;
  }

  .site-footer {
    padding: 3.2rem 16px 2.4rem;
  }

  .site-footer::before {
    margin-bottom: 1.8rem;
  }

  .footer-logo {
    font-size: 1.6rem;
    letter-spacing: 0.24em;
    margin-bottom: 1.4rem;
    line-height: 1.15;
  }

  .footer-copy {
    font-size: 0.75rem;
    line-height: 1.5;
    letter-spacing: 0.12em;
  }

  .footer-anniv {
    margin-top: 8px;
    font-size: 0.68rem;
    letter-spacing: 0.16em;
  }

  .footer-visual {
    height: 40vh;
  }

  .about-ja {
    font-size: 1.05rem;
    line-height: 2.0;
  }

  .about-en {
    font-size: 0.85rem;
    line-height: 1.6;
  }

  .about {
    padding: 3.6rem 1.2rem 2.2rem;
  }

  .hero-inner {
    justify-content: flex-start;
    padding-top: 14vh;  /* ← ここで微調整 */
  }

  .live-detail-block {
    margin-bottom: 1.9rem;
  }



  .maintenance {
    align-items: flex-start;
  }

  .maintenance-text {
    animation: fadeUpMobile 1.4s ease-out forwards;
  }
}  /* ← ★ ここで media を閉じる */

/* media の外に出す */
@keyframes fadeUpMobile {
  from {
    opacity: 0;
    transform: translateY(calc(12px - 10vh));
  }
  to {
    opacity: 1;
    transform: translateY(-10vh);
  }
}


/* =========================
   Text Link (Common)
========================= */

.text-link {
  color: inherit;
  text-decoration: none;
  letter-spacing: 0.12em;
  opacity: 0.75;
  transition: opacity 0.25s ease;
}

.text-link:hover {
  opacity: 1;
}

/* =========================
   Page Common
========================= */

.page-hero {
  padding: 6rem 1.5rem 3rem;
  text-align: center;
}

.page-hero h1 {
  font-size: 1.8rem;
  letter-spacing: 0.3em;
  opacity: 0.35;
  font-weight: 600;
}

.page-content {
  padding: 3rem 1.5rem 4rem;
}

.page-inner {
  max-width: 720px;
  margin: 0 auto;
}

.page-header {
  padding-top: 6rem;
  padding-bottom: 3.5rem;
  text-align: center;
}

.page-content section {
  margin-bottom: 3rem;
}

.live-detail-block {
  margin-bottom: 2.2rem;
}


/* =========================
   Live Detail Page
========================= */

.live-detail {
  max-width: 720px;
  margin: 0 auto;
  padding: 5.5rem 1.5rem 6rem;
  text-align: center;
}

.live-detail-date {
  font-size: 1.8rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.live-detail-date span {
  font-size: 0.85rem;
  opacity: 0.6;
  margin-left: 0.4rem;
}

.live-detail-venue {
  margin-top: 0.6rem;
  font-size: 1rem;
  opacity: 0.75;
}

.live-detail-ticket {
  margin-top: 2.2rem;
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0.05em;
}

.live-detail-note {
  margin-top: 2rem;
  font-size: 0.8rem;
  opacity: 0.45;
  font-style: italic;
}

.live-detail-back {
  margin-top: 4rem;
  font-size: 0.75rem;
}


/* =========================
   Maintenance Page
========================= */

.maintenance {
  min-height: 100vh;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: flex-start;   /* 上寄せ */
  padding-top: 18vh;         /* ← ここで位置調整 */
  text-align: center;
}

.maintenance-text {
  font-size: clamp(1.15rem, 4.8vw, 1.3rem);
  line-height: 1.9;
  letter-spacing: 0.18em;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 1.2s ease-out forwards;
  animation-delay: 0.3s;
}

.maintenance-text .en {
  display: block;
  margin-top: 0.8em;
  font-size: 0.7em;
  letter-spacing: 0.25em;
  opacity: 0.55;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Mobile 微調整 */
@media (max-width: 480px) {
  .maintenance {
    padding-top: 18vh; /* ← スマホだけ少し上 */
  }
}