@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800&family=Zen+Maru+Gothic:wght@400;500;700;900&display=swap');

:root {
  --usuhi: #bcf0e6;
  --usuhi-deep: #53cbb5;
  --kiiri: #3f4c9c;
  --kiiri-light: #8592df;
  --ink: #263452;
  --muted: #70809b;
  --white: #ffffff;
  --surface: rgba(255, 255, 255, .86);
  --line: rgba(63, 76, 156, .13);
  --shadow: 0 20px 55px rgba(45, 72, 122, .13);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --header-h: 82px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Zen Maru Gothic", "Yu Gothic", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(188, 240, 230, .6), transparent 28%),
    radial-gradient(circle at 92% 16%, rgba(133, 146, 223, .22), transparent 30%),
    linear-gradient(180deg, #fff 0%, #f8fdff 50%, #f4f7ff 100%);
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .45;
  z-index: -2;
  background-image: radial-gradient(rgba(63, 76, 156, .12) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, #000, transparent 75%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.page-shell { padding-top: var(--header-h); min-height: 70vh; }
.section { position: relative; padding: 92px 0; }
.section-tight { padding: 62px 0; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: .3s ease;
  background: rgba(255, 255, 255, .68);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .92);
  border-color: var(--line);
  box-shadow: 0 8px 30px rgba(44, 74, 128, .08);
}
.header-inner {
  width: min(1240px, calc(100% - 34px));
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; justify-content: center; width: 58px; }
.brand img { width: 50px; height: 50px; object-fit: contain; }
.nav-list { display: flex; align-items: center; gap: 8px; margin: 0; padding: 0; list-style: none; }
.nav-link {
  position: relative;
  display: block;
  padding: 12px 14px;
  font-family: Montserrat, sans-serif;
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .04em;
  border-radius: 999px;
  transition: .2s ease;
}
.nav-link:hover, .nav-link.active {
  background: linear-gradient(90deg, rgba(188, 240, 230, .75), rgba(133, 146, 223, .15));
  color: var(--kiiri);
  transform: translateY(-1px);
}
.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 8px 25px rgba(63, 76, 156, .14);
  cursor: pointer;
}
.menu-button span, .menu-button::before, .menu-button::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--kiiri);
  transition: .25s;
}
.menu-button.open span { opacity: 0; }
.menu-button.open::before { transform: translateY(7px) rotate(45deg); }
.menu-button.open::after { transform: translateY(-7px) rotate(-45deg); }

.hero {
  min-height: calc(100vh - 10px);
  display: flex;
  align-items: center;
  padding: 115px 0 65px;
  position: relative;
  overflow: hidden;
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 30px; }
.hero-copy { position: relative; z-index: 3; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid rgba(63, 76, 156, .12);
  border-radius: 999px;
  background: rgba(255, 255, 255, .76);
  color: var(--kiiri);
  font-family: Montserrat, sans-serif;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .14em;
  box-shadow: 0 8px 24px rgba(69, 92, 143, .08);
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--usuhi-deep);
  box-shadow: 0 0 0 5px rgba(188, 240, 230, .55);
}
.hero-logo { width: min(470px, 90%); margin: 20px 0 8px; }
.hero-title {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  font-family: Montserrat, "Zen Maru Gothic", sans-serif;
  line-height: .95;
  letter-spacing: -.05em;
}
.hero-title .mint { color: var(--usuhi-deep); }
.hero-title .navy { color: var(--kiiri); }
.hero-lead {
  max-width: 590px;
  margin: 24px 0 0;
  color: #5e6e88;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 2;
  font-weight: 500;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 31px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 25px;
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  transition: .22s ease;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--kiiri), #6473c8);
  box-shadow: 0 14px 28px rgba(63, 76, 156, .26);
}
.btn-soft {
  color: var(--kiiri);
  background: rgba(255, 255, 255, .9);
  border: 1px solid rgba(63, 76, 156, .13);
  box-shadow: 0 12px 28px rgba(54, 82, 130, .09);
}
.hero-visual { position: relative; min-height: 660px; display: flex; align-items: flex-end; justify-content: center; }
.hero-character {
  width: min(680px, 100%);
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 28px 20px rgba(36, 62, 97, .16));
  animation: floatCharacter 5.5s ease-in-out infinite;
}
.hero-circle {
  position: absolute;
  width: min(610px, 90%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(188, 240, 230, .85), rgba(255, 255, 255, .45) 50%, rgba(63, 76, 156, .18));
  box-shadow: inset 0 0 0 20px rgba(255, 255, 255, .43), 0 35px 80px rgba(67, 101, 151, .17);
}
.hero-circle::before, .hero-circle::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 2px dashed rgba(63, 76, 156, .15);
}
.hero-circle::before { inset: -23px; animation: spin 28s linear infinite; }
.hero-circle::after { inset: 35px; border-color: rgba(255, 255, 255, .7); }
.floating-pill {
  position: absolute;
  z-index: 4;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .9);
  box-shadow: var(--shadow);
  font-weight: 800;
  font-size: .82rem;
}
.pill-1 { left: 2%; top: 28%; animation: floatSmall 4s ease-in-out infinite; color: #3cae9b; }
.pill-2 { right: 0; top: 20%; animation: floatSmall 4.8s .5s ease-in-out infinite; color: var(--kiiri); }
.pill-3 { right: 5%; bottom: 12%; animation: floatSmall 4.4s 1s ease-in-out infinite; }
.sparkle {
  position: absolute;
  z-index: 1;
  width: 18px;
  aspect-ratio: 1;
  background: var(--usuhi-deep);
  clip-path: polygon(50% 0, 61% 38%, 100% 50%, 61% 62%, 50% 100%, 39% 62%, 0 50%, 39% 38%);
  animation: pulse 2.8s ease-in-out infinite;
}
.sparkle.s1 { top: 13%; left: 8%; }
.sparkle.s2 { bottom: 22%; right: 4%; background: var(--kiiri-light); animation-delay: .8s; transform: scale(.7); }

.page-hero { padding: 105px 0 66px; text-align: center; position: relative; overflow: hidden; }
.page-hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 210px;
  border-radius: 50%;
  background: rgba(188, 240, 230, .38);
  filter: blur(50px);
  left: 50%;
  top: 15%;
  transform: translateX(-50%);
  z-index: -1;
}
.page-kicker { color: var(--usuhi-deep); font-family: Montserrat, sans-serif; font-weight: 800; letter-spacing: .18em; font-size: .8rem; }
.page-title {
  margin: 12px 0 13px;
  font-family: Montserrat, "Zen Maru Gothic", sans-serif;
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1;
  color: var(--kiiri);
  letter-spacing: -.04em;
}
.page-description { max-width: 680px; margin: auto; color: var(--muted); line-height: 1.9; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 38px; }
.section-title { margin: 0; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.15; color: var(--kiiri); letter-spacing: -.04em; }
.section-title small { display: block; margin-bottom: 10px; color: var(--usuhi-deep); font-family: Montserrat, sans-serif; font-size: .75rem; letter-spacing: .17em; }
.section-note { max-width: 520px; color: var(--muted); line-height: 1.8; }

.glass-card { background: var(--surface); border: 1px solid rgba(255, 255, 255, .95); border-radius: var(--radius-xl); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.intro-card { display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; }
.intro-content { padding: clamp(34px, 6vw, 70px); }
.intro-content h2 { margin: 0 0 20px; font-size: clamp(2rem, 4vw, 3.6rem); color: var(--kiiri); }
.intro-content p { color: var(--muted); line-height: 2.1; }
.intro-image { min-height: 430px; display: flex; align-items: flex-end; justify-content: center; background: linear-gradient(145deg, rgba(188, 240, 230, .75), rgba(133, 146, 223, .2)); position: relative; overflow: hidden; }
.intro-image img { width: min(460px, 90%); position: relative; z-index: 2; filter: drop-shadow(0 20px 22px rgba(50, 66, 108, .15)); }
.intro-image::before { content: ""; position: absolute; width: 330px; aspect-ratio: 1; border-radius: 50%; background: rgba(255, 255, 255, .48); }
.home-latest-section { padding-top: 38px; }
.home-latest-video { max-width: 880px; }
.latest-video-card {
  display: grid;
  grid-template-columns: clamp(140px, 16vw, 165px) 1fr;
  min-height: 0;
  overflow: hidden;
  border-radius: 26px;
  background: rgba(255, 255, 255, .94);
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(44, 69, 112, .1);
  transition: transform .25s ease, box-shadow .25s ease;
}
.latest-video-card:hover { transform: translateY(-5px); box-shadow: 0 22px 48px rgba(44, 69, 112, .15); }
.latest-video-thumb { position: relative; width: 100%; aspect-ratio: 3 / 4; overflow: hidden; background: #e8eef8; }
.latest-video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.latest-video-card:hover .latest-video-thumb img { transform: scale(1.04); }
.latest-video-info { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: 22px 28px; }
.latest-video-label { color: var(--usuhi-deep); font: 800 .72rem Montserrat, sans-serif; letter-spacing: .15em; }
.latest-video-info h3 { margin: 8px 0 14px; color: var(--kiiri); font-size: clamp(1.35rem, 2.35vw, 1.8rem); line-height: 1.45; }
.latest-video-meta { display: flex; flex-wrap: wrap; gap: 12px 28px; color: var(--muted); font-size: 1.25rem; }
.latest-video-link { margin-top: 14px; color: var(--kiiri); font-weight: 800; font-size: .9rem; }
.latest-video-link b { display: inline-block; margin-left: 5px; transition: transform .2s ease; }
.latest-video-card:hover .latest-video-link b { transform: translateX(5px); }

.explore-section { padding-top: 75px; }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quick-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 250px;
  padding: 30px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 16px 35px rgba(45, 72, 122, .09);
  transition: .25s;
}
.quick-card:hover { transform: translateY(-7px); box-shadow: 0 22px 46px rgba(45, 72, 122, .15); }

.quick-card-content {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
}
.quick-card-art {
  position: absolute;
  z-index: 1;
  right: -8px;
  bottom: -18px;
  display: block;
  width: 150px;
  height: 180px;
  pointer-events: none;
}
.quick-card-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: right bottom;
  opacity: .38;
  filter: none;
}
.quick-card-art-logo {
  right: 4px;
  bottom: -8px;
  width: 132px;
  height: 150px;
}
.quick-card .number { display: inline-block; font-family: Montserrat, sans-serif; color: rgba(63, 76, 156, .12); font-weight: 800; font-size: 4.5rem; line-height: 1; transition: color .25s ease, transform .25s ease, text-shadow .25s ease; }
.quick-card:nth-child(1):hover .number { color: var(--usuhi-deep); text-shadow: 0 8px 24px rgba(83, 203, 181, .2); }
.quick-card:nth-child(2):hover .number { color: var(--kiiri); text-shadow: 0 8px 24px rgba(63, 76, 156, .2); }
.quick-card:nth-child(3):hover .number { color: #6e78c9; text-shadow: 0 8px 24px rgba(110, 120, 201, .2); }
.quick-card:hover .number { transform: translateY(-2px); }
.quick-card h3 { position: relative; margin: 17px 0 11px; font-size: 1.4rem; color: #27346f; }
.quick-card p {
  position: relative;
  max-width: none;
  margin: 0;
  color: #35445d;
  line-height: 1.8;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, .98),
    0 -1px 0 rgba(255, 255, 255, .98),
    1px 0 0 rgba(255, 255, 255, .98),
    -1px 0 0 rgba(255, 255, 255, .98),
    0 0 8px rgba(255, 255, 255, .92);
}


.profile-group {
  display: grid;
  grid-template-columns: minmax(280px, .82fr) 1.18fr;
  align-items: stretch;
  gap: 44px;
  min-height: 420px;
  padding: 38px 44px;
}
.profile-group img {
  width: min(385px, 100%);
  margin: auto;
  align-self: center;
  filter: drop-shadow(0 20px 20px rgba(47, 72, 112, .14));
}
.profile-group h2 { margin: 8px 0 0; color: var(--kiiri); font-size: clamp(2rem, 4vw, 3.2rem); }
.profile-group p { color: var(--muted); line-height: 2; }
.profile-group-content {
  display: grid;
  grid-template-rows: auto 1fr;
  align-content: stretch;
  gap: 28px;
  padding: 18px 12px 18px 0;
}
.profile-group-heading {
  padding-bottom: 22px;
  border-bottom: 1px dashed rgba(63, 76, 156, .18);
}
.profile-group-copy {
  align-self: start;
  max-width: 720px;
}
.profile-group-copy p { margin: 0; }
.profile-group-copy p + p { margin-top: 17px; }

.member-card {
  display: grid;
  grid-template-columns: minmax(300px, .86fr) 1.14fr;
  min-height: 700px;
  overflow: hidden;
  margin-top: 50px;
}
.member-visual { position: relative; display: flex; align-items: flex-end; justify-content: center; overflow: hidden; background: linear-gradient(145deg, rgba(188, 240, 230, .72), rgba(255, 255, 255, .9)); }
.member-card.kiiri .member-visual { background: linear-gradient(145deg, rgba(133, 146, 223, .38), rgba(255, 255, 255, .9)); }
.member-visual::before { content: ""; position: absolute; width: 460px; aspect-ratio: 1; border-radius: 50%; background: rgba(255, 255, 255, .48); border: 1px dashed rgba(63, 76, 156, .14); }
.member-character { position: relative; z-index: 2; width: min(450px, 96%); height: 660px; object-fit: contain; object-position: center bottom; filter: drop-shadow(0 22px 18px rgba(40, 61, 96, .16)); transition: opacity .18s, transform .25s; }
.member-character.changing { opacity: 0; transform: translateY(8px) scale(.985); }
.expression-controls { position: absolute; z-index: 4; left: 50%; bottom: 18px; transform: translateX(-50%); display: flex; gap: 8px; padding: 8px; background: rgba(255, 255, 255, .86); border-radius: 999px; box-shadow: 0 12px 30px rgba(48, 70, 112, .14); backdrop-filter: blur(10px); }
.expression-btn { border: 0; border-radius: 999px; padding: 9px 12px; color: var(--muted); background: transparent; font-weight: 700; cursor: pointer; transition: .2s; white-space: nowrap; }
.expression-btn:hover, .expression-btn.active { color: var(--kiiri); background: rgba(188, 240, 230, .7); }
.member-card.kiiri .expression-btn:hover, .member-card.kiiri .expression-btn.active { background: rgba(133, 146, 223, .2); }
.member-content {
  padding: clamp(36px, 4.5vw, 58px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  align-items: stretch;
  gap: 26px;
}
.member-heading {
  padding-bottom: 24px;
}
.member-index { font: 800 .78rem Montserrat, sans-serif; letter-spacing: .16em; color: var(--usuhi-deep); }
.member-card.kiiri .member-index { color: var(--kiiri-light); }
.member-name { margin: 8px 0 5px; font-size: clamp(2.5rem, 5vw, 4.6rem); color: var(--kiiri); line-height: 1; }
.member-en { margin: 0 0 20px; font: 700 .86rem Montserrat, sans-serif; letter-spacing: .17em; color: var(--muted); }
.color-chip { display: inline-flex; align-items: center; gap: 10px; width: max-content; padding: 9px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font: 700 .8rem Montserrat, sans-serif; }
.color-chip i { width: 17px; height: 17px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .08); }
.member-profile-panel {
  display: flex;
  align-items: center;
  min-height: 0;
}
.profile-list {
  display: grid;
  grid-template-rows: repeat(5, minmax(56px, auto));
  width: 100%;
  gap: 0;
  margin: 0;
  border-top: 0;
}
.profile-row {
  display: grid;
  grid-template-columns: 126px 1fr;
  align-items: center;
  gap: 22px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(63, 76, 156, .16);
}
.profile-row dt { font-weight: 800; color: var(--kiiri); }
.profile-row dd { margin: 0; color: var(--muted); line-height: 1.75; }
.member-footer { display: flex; align-items: flex-end; padding-top: 2px; }
.social-mini { display: inline-flex; align-items: center; gap: 9px; width: max-content; padding: 12px 18px; border-radius: 999px; color: #fff; background: #111; font-weight: 800; }

.news-tools { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 34px; }
.filter-btn { border: 1px solid var(--line); background: #fff; color: var(--muted); padding: 11px 18px; border-radius: 999px; font-weight: 800; cursor: pointer; transition: .2s; }
.filter-btn:hover, .filter-btn.active { color: #fff; background: var(--kiiri); transform: translateY(-2px); }
.news-list { display: grid; gap: 16px; }
.news-item { display: grid; grid-template-columns: 125px 120px 1fr 44px; align-items: center; gap: 18px; padding: 22px 25px; background: rgba(255, 255, 255, .9); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 10px 28px rgba(49, 74, 117, .07); transition: .22s; cursor: pointer; }
.news-item:hover { transform: translateX(6px); border-color: rgba(63, 76, 156, .26); }
.news-date { font: 700 .83rem Montserrat, sans-serif; color: var(--muted); }
.news-category { text-align: center; padding: 7px 10px; border-radius: 999px; background: rgba(188, 240, 230, .6); color: #268b78; font-size: .78rem; font-weight: 800; }
.news-item[data-category="イベント"] .news-category { background: rgba(133, 146, 223, .18); color: var(--kiiri); }
.news-item[data-category="活動関連"] .news-category { background: rgba(255, 214, 132, .25); color: #a66b16; }
.news-copy h3 { margin: 0 0 5px; color: var(--kiiri); font-size: 1.08rem; }
.news-copy p { margin: 0; color: var(--muted); font-size: .9rem; }
.news-arrow { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: #f4f7ff; color: var(--kiiri); font-size: 1.2rem; transition: .2s; }
.news-detail { display: none; grid-column: 1 / -1; padding: 20px 0 4px 263px; color: var(--muted); line-height: 1.9; border-top: 1px dashed var(--line); margin-top: 3px; }
.news-item.open .news-detail { display: block; }
.news-item.open .news-arrow { transform: rotate(90deg); }

.stats-hero { text-align: center; padding: 50px 25px; overflow: hidden; position: relative; }
.stats-label { font-weight: 800; color: var(--muted); letter-spacing: .1em; }
.total-views { margin: 10px 0 3px; font: 800 clamp(3.4rem, 11vw, 8.4rem) / 1 Montserrat, sans-serif; letter-spacing: -.07em; background: linear-gradient(110deg, var(--usuhi-deep), var(--kiiri)); -webkit-background-clip: text; color: transparent; }
.stats-unit { color: var(--kiiri); font-weight: 800; }
.stats-note { margin-top: 16px; color: var(--muted); font-size: .88rem; }
.video-list { display: grid; gap: 20px; }
.video-card {
  display: grid;
  grid-template-columns: clamp(140px, 15vw, 165px) 1fr;
  min-height: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: 0 16px 40px rgba(44, 69, 112, .1);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.video-card:hover { transform: translateY(-5px); border-color: rgba(63, 76, 156, .25); box-shadow: 0 22px 48px rgba(44, 69, 112, .15); }
.video-thumb { position: relative; width: 100%; aspect-ratio: 3 / 4; overflow: hidden; background: #e8eef8; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.video-card:hover .video-thumb img { transform: scale(1.05); }
.play-button { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%); width: 66px; height: 66px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: rgba(63, 76, 156, .88); box-shadow: 0 10px 30px rgba(31, 47, 91, .3); font-size: 1.4rem; }
.play-button.compact { width: 52px; height: 52px; font-size: 1.05rem; }
.video-info { display: flex; flex-direction: column; justify-content: center; min-width: 0; padding: 23px 30px; }
.video-info h3 { margin: 0 0 18px; color: var(--kiiri); font-size: clamp(1.35rem, 2.45vw, 1.85rem); line-height: 1.45; }
.video-info h3 a { transition: color .2s ease; }
.video-info h3 a:hover { color: var(--usuhi-deep); }
.video-meta { display: flex; flex-wrap: wrap; gap: 16px 36px; color: var(--muted); font-size: 1.58rem; }
.stat-item { display: inline-flex; align-items: center; gap: 11px; color: var(--muted); font-family: Montserrat, sans-serif; font-weight: 700; line-height: 1; }
.stat-item strong { color: var(--ink); font-size: 1.12em; font-weight: 800; }
.stat-icon { width: 1.34em; height: 1.34em; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.stat-item:nth-child(2) .stat-icon { fill: rgba(63, 76, 156, .12); }
.video-pagination { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 9px; margin-top: 38px; }
.pagination-button { min-width: 44px; height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: 50%; color: var(--kiiri); background: rgba(255, 255, 255, .92); font: 800 .9rem Montserrat, sans-serif; cursor: pointer; transition: .2s ease; }
.pagination-button:hover:not(:disabled), .pagination-button.active { color: #fff; background: var(--kiiri); border-color: var(--kiiri); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(63, 76, 156, .2); }
.pagination-button:disabled { opacity: .35; cursor: not-allowed; }
.pagination-nav { font-size: 1.35rem; }
.pagination-ellipsis { min-width: 28px; text-align: center; color: var(--muted); font-weight: 800; }
.api-notice { margin: 28px auto 0; max-width: 780px; padding: 18px 20px; border-radius: 16px; background: rgba(255, 255, 255, .78); border: 1px solid var(--line); color: var(--muted); line-height: 1.8; font-size: .9rem; }

.social-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.social-card { min-height: 260px; padding: 32px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 28px; background: #fff; border: 1px solid var(--line); box-shadow: 0 15px 38px rgba(44, 69, 112, .09); transition: .25s; overflow: hidden; position: relative; }
.social-card:hover { transform: translateY(-7px); }
.social-card::after { content: ""; position: absolute; width: 170px; height: 170px; border-radius: 50%; right: -55px; bottom: -65px; background: rgba(188, 240, 230, .45); }
.social-card.x::after { background: rgba(15, 15, 18, .08); }
.social-card.tiktok::after { background: rgba(133, 146, 223, .2); }
.social-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 18px; background: #f3f7ff; color: var(--kiiri); font: 800 1.1rem Montserrat, sans-serif; }
.social-card h2 { margin: 25px 0 7px; color: var(--kiiri); }
.social-card p { margin: 0; color: var(--muted); }
.social-link { position: relative; z-index: 2; font-weight: 800; color: var(--kiiri); }
.member-socials { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 45px; }
.member-social { display: flex; align-items: center; gap: 22px; padding: 25px; }
.member-social img { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; background: #eef8f6; }
.member-social h3 { margin: 0 0 7px; color: var(--kiiri); font-size: 1.4rem; }
.member-social p { margin: 0 0 13px; color: var(--muted); }

.contact-card { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 470px; overflow: hidden; }
.contact-visual { display: flex; align-items: flex-end; justify-content: center; background: linear-gradient(145deg, rgba(188, 240, 230, .65), rgba(133, 146, 223, .2)); padding: 30px; }
.contact-visual img { width: min(380px, 100%); filter: drop-shadow(0 20px 22px rgba(40, 60, 105, .13)); }
.contact-content { padding: clamp(38px, 6vw, 75px); display: flex; flex-direction: column; justify-content: center; }
.contact-content h2 { margin: 0 0 18px; color: var(--kiiri); font-size: clamp(2rem, 4vw, 3.1rem); }
.contact-content p { color: var(--muted); line-height: 2; }
.email-box { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 22px; padding: 18px 20px; background: #f6f9ff; border: 1px solid var(--line); border-radius: 16px; }
.email-address { font: 700 clamp(.9rem, 2.5vw, 1.1rem) Montserrat, sans-serif; color: var(--kiiri); overflow-wrap: anywhere; }
.copy-btn { border: 0; padding: 10px 14px; border-radius: 999px; color: #fff; background: var(--kiiri); cursor: pointer; font-weight: 800; white-space: nowrap; }
.contact-note { margin-top: 20px; font-size: .86rem; }

.site-footer { position: relative; margin-top: 70px; padding: 68px 0 30px; color: #fff; background: linear-gradient(145deg, #34417f, #263359); overflow: hidden; }
.site-footer::before { content: ""; position: absolute; inset: -80px -100px auto; height: 150px; background: #f5f8ff; border-radius: 0 0 50% 50%; }
.footer-inner { padding-top: 30px; position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; }
.footer-logo { width: 190px; margin-bottom: 12px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 22px; margin: 20px 0; font-size: .9rem; opacity: .9; }
.copyright { margin: 8px 0 0; opacity: .7; font: 600 .78rem Montserrat, sans-serif; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }
.toast { position: fixed; left: 50%; bottom: 25px; z-index: 2000; transform: translate(-50%, 20px); padding: 12px 18px; border-radius: 999px; color: #fff; background: rgba(38, 52, 82, .94); opacity: 0; pointer-events: none; transition: .25s; box-shadow: 0 12px 30px rgba(0, 0, 0, .2); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.empty-state { padding: 50px; text-align: center; color: var(--muted); background: rgba(255, 255, 255, .8); border-radius: 24px; border: 1px solid var(--line); }

@keyframes floatCharacter { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
@keyframes floatSmall { 0%, 100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-10px) rotate(1deg); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: .45; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.2); } }

@media (max-width: 960px) {
  :root { --header-h: 72px; }
  .menu-button { display: block; }
  .site-nav { position: fixed; top: 72px; left: 16px; right: 16px; padding: 14px; border-radius: 22px; background: rgba(255, 255, 255, .97); box-shadow: var(--shadow); transform: translateY(-15px); opacity: 0; visibility: hidden; transition: .25s; }
  .site-nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav-list { display: grid; grid-template-columns: 1fr 1fr; }
  .nav-link { text-align: center; padding: 13px 10px; }
  .hero { padding-top: 100px; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { order: 2; }
  .hero-logo { margin-inline: auto; }
  .hero-lead { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { min-height: 540px; order: 1; }
  .hero-character { width: min(560px, 100%); }
  .intro-card, .profile-group, .contact-card { grid-template-columns: 1fr; }
  .intro-image { order: -1; min-height: 360px; }
  .profile-group img { width: min(360px, 86%); }
  .quick-grid, .social-grid { grid-template-columns: 1fr 1fr; }
  .latest-video-card { grid-template-columns: clamp(140px, 18vw, 165px) 1fr; }
  .member-card { grid-template-columns: 1fr; }
  .member-visual { min-height: 660px; }
  .member-character { height: 620px; }
  .news-item { grid-template-columns: 110px 110px 1fr 40px; }
  .news-detail { padding-left: 0; }
}

@media (max-width: 680px) {
  .container { width: min(100% - 26px, 1160px); }
  .section { padding: 68px 0; }
  .page-hero { padding: 75px 0 45px; }
  .brand { width: 50px; }
  .brand img { width: 44px; height: 44px; }
  .nav-list { grid-template-columns: 1fr; }
  .site-nav { max-height: calc(100vh - 90px); overflow: auto; }
  .hero { min-height: auto; padding: 95px 0 45px; }
  .hero-visual { min-height: 400px; }
  .floating-pill { font-size: .7rem; padding: 8px 11px; }
  .pill-1 { top: 30%; }
  .pill-2 { top: 12%; }
  .pill-3 { bottom: 7%; }
  .hero-actions .btn { width: 100%; }
  .section-heading { display: block; }
  .section-note { margin-top: 15px; }
  .quick-grid, .social-grid, .member-socials { grid-template-columns: 1fr; }
  .latest-video-card { grid-template-columns: 108px 1fr; border-radius: 21px; }
  .latest-video-thumb { min-height: 0; aspect-ratio: 3 / 4; }
  .latest-video-info { padding: 17px 18px; }
  .latest-video-label { font-size: .64rem; }
  .latest-video-info h3 { margin: 6px 0 10px; font-size: 1.05rem; line-height: 1.45; }
  .latest-video-meta { gap: 9px 18px; font-size: 1.02rem; }
  .latest-video-link { margin-top: 10px; font-size: .78rem; }
  .video-card { grid-template-columns: 108px 1fr; min-height: 0; border-radius: 21px; }
  .video-info { padding: 17px 17px; }
  .video-info h3 { margin-bottom: 13px; font-size: 1.08rem; line-height: 1.45; }
  .video-meta { gap: 10px 22px; font-size: 1.26rem; }
  .stat-item { gap: 7px; }
  .play-button { width: 48px; height: 48px; font-size: 1rem; }
  .profile-group { min-height: 0; padding: 25px; gap: 24px; }
  .profile-group img { width: min(310px, 92%); }
  .profile-group-content { padding: 4px 0 8px; gap: 20px; }
  .profile-group-heading { padding-bottom: 18px; }
  .member-card { border-radius: 24px; }
  .member-visual { min-height: 570px; }
  .member-character { height: 540px; width: 100%; }
  .member-content { padding: 32px 24px 36px; gap: 22px; }
  .member-heading { padding-bottom: 20px; }
  .expression-controls { width: calc(100% - 22px); justify-content: center; overflow-x: auto; }
  .expression-btn { padding: 8px 10px; font-size: .8rem; }
  .profile-list { grid-template-rows: none; }
  .profile-row { grid-template-columns: 108px 1fr; gap: 12px; padding: 12px 0; }
  .news-item { grid-template-columns: 1fr auto; gap: 9px 13px; padding: 19px; }
  .news-date { order: 1; }
  .news-category { order: 2; }
  .news-copy { grid-column: 1 / -1; order: 3; }
  .news-arrow { display: none; }
  .news-detail { order: 4; grid-column: 1 / -1; }
  .total-views { font-size: clamp(3rem, 17vw, 5rem); }
  .member-social { align-items: flex-start; }
  .member-social img { width: 82px; height: 82px; }
  .email-box { align-items: stretch; flex-direction: column; }
  .copy-btn { width: 100%; }
  .site-footer::before { height: 110px; }
}


.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.hero-audio-button {
  position: absolute;
  left: 50%;
  bottom: 4.5%;
  z-index: 10;
  width: 86px;
  height: 86px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: inherit;
  background: transparent;
  cursor: pointer;
  filter: drop-shadow(0 16px 20px rgba(38, 52, 82, .2));
  animation: floatAudioButton 4.2s ease-in-out infinite;
  transition: filter .2s ease, opacity .2s ease;
}
.hero-audio-button img { width: 100%; height: 100%; }
.hero-audio-button:hover { filter: drop-shadow(0 20px 24px rgba(38, 52, 82, .3)); }
.hero-audio-button:focus-visible { outline: 4px solid rgba(83, 203, 181, .45); outline-offset: 5px; }
.hero-audio-button.playing img { animation: audioButtonPulse .7s ease; }
.hero-audio-button.cooldown { cursor: wait; opacity: .82; }
@keyframes floatAudioButton {
  0%, 100% { transform: translate(-50%, 0) rotate(-2deg); }
  50% { transform: translate(-50%, -11px) rotate(2deg); }
}
@keyframes audioButtonPulse {
  0% { transform: scale(1); }
  38% { transform: scale(1.14) rotate(-4deg); }
  100% { transform: scale(1); }
}

body.mobile-desktop-preview .hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 72px;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(248, 253, 255, 0) 0%,
    rgba(248, 253, 255, .22) 48%,
    rgba(248, 253, 255, .72) 100%
  );
}

.home-media-section { padding-top: 38px; }
.home-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}
.home-media-column {
  display: grid;
  grid-template-rows: 98px auto;
  row-gap: 12px;
  min-width: 0;
}
.home-media-heading {
  min-width: 0;
  margin: 0;
  align-items: flex-end;
}
.home-media-heading .section-title { font-size: clamp(1.85rem, 3.1vw, 2.75rem); }
.home-media-heading .btn { min-height: 46px; padding-inline: 20px; font-size: .88rem; }

.home-latest-video {
  width: 100%;
  max-width: none;
  min-width: 0;
  aspect-ratio: 4 / 3;
}
.home-latest-video > .empty-state {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  padding: 20px;
}

.teaser-video-card {
  --thumbnail-image: none;
  position: relative;
  isolation: isolate;
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 26px;
  background: #e8eef8;
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(44, 69, 112, .1);
  transition: transform .25s ease, box-shadow .25s ease;
}
.teaser-video-card::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -18px;
  background-image: var(--thumbnail-image);
  background-position: center;
  background-size: cover;
  filter: blur(16px);
  opacity: .34;
  transform: scale(1.08);
  pointer-events: none;
}
.teaser-video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 48px rgba(44, 69, 112, .15);
}
.teaser-video-card img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform .35s ease;
}
.teaser-video-card:hover img { transform: scale(1.025); }
.teaser-video-card::after {
  content: "";
  position: absolute;
  z-index: 2;
  inset: auto 0 0;
  height: 48%;
  background: linear-gradient(to top, rgba(31, 43, 80, .78), transparent);
  pointer-events: none;
}
.teaser-video-link {
  position: absolute;
  z-index: 3;
  left: 20px;
  bottom: 17px;
  color: #fff;
  font-weight: 800;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .22);
}
.teaser-video-link b {
  display: inline-block;
  margin-left: 5px;
  transition: transform .2s ease;
}
.teaser-video-card:hover .teaser-video-link b { transform: translateX(5px); }

.latest-cover-card {
  width: 100%;
}

.quick-card:nth-child(1) .number { color: var(--usuhi-deep); text-shadow: 0 8px 24px rgba(83, 203, 181, .18); }
.quick-card:nth-child(2) .number { color: var(--kiiri); text-shadow: 0 8px 24px rgba(63, 76, 156, .18); }
.quick-card:nth-child(3) .number { color: #6e78c9; text-shadow: 0 8px 24px rgba(110, 120, 201, .18); }
.quick-card:nth-child(1):hover .number,
.quick-card:nth-child(2):hover .number,
.quick-card:nth-child(3):hover .number { filter: saturate(1.16) brightness(.93); }

.video-card { grid-template-columns: 400px minmax(0, 1fr); }
.video-thumb { width: 400px; height: 225px; aspect-ratio: 16 / 9; }
.video-thumb img { object-fit: cover; }
.video-info { padding: 18px 28px; }
.video-info h3 { margin-bottom: 14px; font-size: clamp(1.18rem, 1.9vw, 1.52rem); line-height: 1.42; }

.profile-group-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 8px;
}
.profile-group-title-row h2 { margin: 0; }
.profile-teaser-button { min-height: 44px; padding-inline: 19px; flex: 0 0 auto; font-size: .86rem; }

.social-brand-logo {
  position: relative;
  z-index: 2;
  display: block;
  width: 78px;
  height: 78px;
  color: var(--kiiri);
}
.social-brand-logo svg { display: block; width: 100%; height: 100%; fill: currentColor; }
.social-brand-logo .social-logo-cutout { fill: #fff; }
.social-card.youtube .social-brand-logo { color: #5968b8; }
.social-card.x .social-brand-logo { color: #263452; }
.social-card.tiktok .social-brand-logo { color: var(--usuhi-deep); }
.social-card h2 { margin-top: 20px; }


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}