/* 放課後リリック！ Official Site */
:root {
  --pink: #f28ca8;
  --pink-deep: #e85d84;
  --coral: #ff8b6a;
  --sky: #7ec8e3;
  --mint: #7ec8a8;
  --cream: #fff7f2;
  --ink: #3a2a32;
  --ink-soft: #6b5560;
  --line: rgba(232, 93, 132, 0.18);
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(232, 93, 132, 0.12);
  --radius: 4px;
  --font: "Sawarabi Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --max: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(242, 140, 168, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 45% at 90% 10%, rgba(126, 200, 227, 0.2), transparent 50%),
    linear-gradient(180deg, #fff9f6 0%, #fff4ef 40%, #f7fbff 100%);
  min-height: 100vh;
  line-height: 1.8;
}

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

a {
  color: var(--pink-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: var(--coral);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(255, 249, 246, 0.86);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
  flex-shrink: 0;
}

.logo-mark img {
  height: 52px;
  width: auto;
  display: block;
  border-radius: 8px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  padding: 0.45rem 0.8rem;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--pink-deep);
}

main {
  overflow-x: clip;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

/* —— Hero (top only) —— */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--white);
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(165deg, #2a3348 0%, #3d4a63 42%, #5a6b82 100%),
    url("../images/hero-afterschool.svg") center / cover no-repeat;
  background-blend-mode: soft-light, normal;
  animation: heroDrift 18s ease-in-out infinite alternate;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(255, 255, 255, 0.14), transparent 65%),
    radial-gradient(circle at 15% 85%, rgba(126, 200, 227, 0.22), transparent 42%),
    linear-gradient(180deg, rgba(24, 30, 42, 0.25) 0%, rgba(24, 30, 42, 0.45) 100%);
  z-index: -1;
}

.hero-content {
  padding: 2rem 1.25rem 3rem;
  max-width: 40rem;
}

.brand-logo {
  margin: 0 auto 1.25rem;
  max-width: min(92vw, 420px);
  animation: fadeUp 1s ease both;
}

.brand-logo img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.35));
}

.hero-lead {
  margin: 0 auto 0.75rem;
  font-size: clamp(1rem, 2.6vw, 1.2rem);
  letter-spacing: 0.12em;
  animation: fadeUp 1s 0.15s ease both;
}

.hero-concept {
  margin: 0 auto;
  max-width: 28rem;
  font-size: 0.98rem;
  opacity: 0.95;
  animation: fadeUp 1s 0.3s ease both;
}

.scroll-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  opacity: 0.85;
  animation: bob 2.2s ease-in-out infinite;
}

/* —— Sections —— */
.section {
  padding: 3.5rem 0 1rem;
}

.section-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  letter-spacing: 0.08em;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 3px;
  margin-top: 0.45rem;
  background: linear-gradient(90deg, var(--pink-deep), var(--sky));
  border-radius: 999px;
  animation: growLine 0.8s ease both;
}

.section-lead {
  margin: 0 0 2rem;
  color: var(--ink-soft);
  max-width: 36rem;
}

.page-hero {
  padding: 3rem 0 1rem;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: 0.08em;
}

.page-hero p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 36rem;
}

/* Top link banners — not cards; full-bleed strip links */
.link-banners {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.link-banner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  text-decoration: none;
  color: var(--ink);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.65));
  border-left: 4px solid var(--accent, var(--pink-deep));
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.link-banner:hover {
  transform: translateX(6px);
  color: var(--ink);
  box-shadow: 0 22px 48px rgba(232, 93, 132, 0.18);
}

.link-banner .label {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--accent, var(--pink-deep));
}

.link-banner .title {
  margin: 0.1rem 0 0;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
}

.link-banner .arrow {
  font-size: 1.4rem;
  color: var(--accent, var(--pink-deep));
  transition: transform 0.25s ease;
}

.link-banner:hover .arrow {
  transform: translateX(4px);
}

.link-banner:nth-child(1) { --accent: #e85d84; }
.link-banner:nth-child(2) { --accent: #7ec8e3; }
.link-banner:nth-child(3) { --accent: #ff8b6a; }
.link-banner:nth-child(4) { --accent: #7ec8a8; }
.link-banner:nth-child(5) { --accent: #f2b84b; }

/* Members */
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem 1.5rem;
}

.member {
  display: grid;
  gap: 0.85rem;
}

.member-photo {
  aspect-ratio: 1;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--member-color) 35%, white), color-mix(in srgb, var(--member-color) 55%, #fff7f2)),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 8px,
      rgba(255, 255, 255, 0.25) 8px,
      rgba(255, 255, 255, 0.25) 16px
    );
  border: 1px solid color-mix(in srgb, var(--member-color) 40%, transparent);
  display: grid;
  place-items: center;
  color: color-mix(in srgb, var(--member-color) 55%, var(--ink));
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  position: relative;
  overflow: hidden;
}

.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-photo .placeholder-name {
  position: absolute;
  inset: auto 0.75rem 0.75rem;
  text-align: center;
  font-size: 0.7rem;
  opacity: 0.75;
  word-break: break-all;
}

.member-name {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.06em;
}

.member-name small {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 400;
}

.member-color {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--member-color);
}

.member-meta {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.member-meta li + li {
  margin-top: 0.25rem;
}

.member-meta strong {
  color: var(--ink);
  font-weight: 700;
  margin-right: 0.35rem;
}

/* News / History timeline */
.timeline {
  display: grid;
  gap: 1.25rem;
  border-left: 2px solid var(--line);
  padding-left: 1.25rem;
  margin: 0;
}

.timeline-item {
  position: relative;
  padding: 0.15rem 0 0.5rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1.25rem - 5px);
  top: 0.55rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--pink-deep);
  box-shadow: 0 0 0 4px rgba(242, 140, 168, 0.25);
}

.timeline-date {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--pink-deep);
}

.timeline-item h2,
.timeline-item h3 {
  margin: 0.2rem 0 0.4rem;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.timeline-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.timeline-item .meta {
  margin-top: 0.35rem;
  font-size: 0.88rem;
  color: var(--ink);
}

.pagination {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 0.5rem 1rem;
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font-size: 0.9rem;
}

.pagination a:hover {
  border-color: var(--pink-deep);
  color: var(--pink-deep);
}

.pagination .current {
  background: var(--pink-deep);
  color: var(--white);
  border-color: var(--pink-deep);
}

/* Songs */
.song-list {
  display: grid;
  gap: 2.5rem;
}

.song {
  display: grid;
  gap: 1rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.song:last-child {
  border-bottom: 0;
}

.song h2 {
  margin: 0;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
}

.song-date {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

.yt-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  max-width: 560px;
  overflow: hidden;
  background: #e8d5dc;
  color: var(--white);
  user-select: none;
  cursor: default;
}

.yt-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.yt-thumb::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 68px;
  height: 48px;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 12px / 18px;
  box-shadow: 0 8px 20px rgba(58, 42, 50, 0.2);
  pointer-events: none;
}

.yt-thumb::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent var(--pink-deep);
  transform: translate(calc(-50% + 3px), -50%);
  pointer-events: none;
}

.yt-thumb .caption {
  position: absolute;
  left: 0.75rem;
  bottom: 0.65rem;
  z-index: 1;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.store-banners {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 0.4rem;
  max-width: 560px;
}

.store-banner {
  display: block;
  min-width: 0;
  text-decoration: none;
  pointer-events: none;
  cursor: default;
  line-height: 0;
}

.store-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 40px;
  object-fit: contain;
  object-position: left center;
}

@media (max-width: 768px) {
  .store-banners {
    gap: 0.3rem;
  }

  .store-banner img {
    max-height: 32px;
  }
}

/* Tokuten / tables */
.prose {
  max-width: 42rem;
}

.prose p {
  color: var(--ink-soft);
}

.menu-table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  -webkit-overflow-scrolling: touch;
}

.menu-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
  font-size: 0.95rem;
}

.menu-table th,
.menu-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.menu-table th {
  color: var(--pink-deep);
  letter-spacing: 0.06em;
  font-weight: 700;
  white-space: nowrap;
}

.menu-table td:nth-child(2) {
  white-space: nowrap;
  color: var(--coral);
  font-weight: 700;
}

.steps {
  margin: 1rem 0 2rem;
  padding-left: 1.25rem;
  color: var(--ink-soft);
}

.steps li + li {
  margin-top: 0.6rem;
}

.ng-list {
  margin: 1rem 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.ng-list li + li {
  margin-top: 0.7rem;
}

.note-box {
  margin: 2rem 0 0;
  padding: 1.25rem 1.35rem;
  border-left: 4px solid var(--sky);
  background: rgba(126, 200, 227, 0.12);
}

.note-box p {
  margin: 0;
  color: var(--ink);
}

.footnote {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  padding: 2rem 1.25rem;
  text-align: center;
}

.site-footer p {
  margin: 0.25rem 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.site-footer .credit {
  margin-top: 0.75rem;
  font-size: 0.78rem;
}

/* Motion */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bob {
  0%,
  100% {
    transform: translate(-50%, 0);
  }
  50% {
    transform: translate(-50%, 6px);
  }
}

@keyframes heroDrift {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.05);
  }
}

@keyframes growLine {
  from {
    width: 0;
  }
  to {
    width: 3.5rem;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
    background: rgba(255, 249, 246, 0.98);
    border-bottom: 1px solid var(--line);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--line);
  }

  .header-inner {
    position: relative;
  }

  .link-banner {
    grid-template-columns: 1fr auto;
    gap: 0.35rem 0.75rem;
  }

  .link-banner .label {
    grid-column: 1 / -1;
  }

  .hero {
    min-height: min(88vh, 700px);
  }

  .logo-mark img {
    height: 44px;
  }

  .brand-logo {
    max-width: min(86vw, 340px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}