/* ============================================================
   renewal.css — ゆめかいろ リニューアル用スタイル
   対象: index-2.html (Claude Design出力ベース)
   ============================================================ */

/* ---- Base ---- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #f2fbf7; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-thumb { background: rgba(16,185,129,.3); border-radius: 10px; }

/* ---- Keyframe Animations ---- */
@keyframes yk-floatY {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-26px); }
}
@keyframes yk-bob {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-14px); }
}
@keyframes yk-grad {
  0%   { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

/* ---- Layout wrapper ---- */
.yk-renewal-root {
  position: relative;
  background: #f2fbf7;
  color: #3b2f36;
  overflow: hidden;
  font-family: 'Zen Kaku Gothic New', sans-serif;
}

/* ---- Header ---- */
.yk-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 44px);
}
.yk-header__logo-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}
.yk-header__logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.yk-header__logo {
  height: 17px;
  width: auto;
  filter: drop-shadow(0 4px 10px rgba(16,185,129,.3));
}
.yk-header__nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px;
  border-radius: 999px;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 26px rgba(16,185,129,.18);
}
.yk-header__recruit-btn {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, #12b981, #45c4e6);
  box-shadow: 0 6px 18px rgba(18,185,129,.38);
  white-space: nowrap;
}

/* ---- Mobile hamburger ---- */
.yk-hamburger-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  border-radius: 999px;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(8px);
  box-shadow: 0 8px 26px rgba(16,185,129,.2);
}
.yk-hamburger-bar {
  width: 22px;
  height: 2px;
  background: #5a4750;
  border-radius: 2px;
  transition: transform .25s, opacity .2s;
}

/* ---- Mobile dropdown menu ---- */
.yk-menu-panel {
  position: fixed;
  top: 66px;
  left: 12px; right: 12px;
  z-index: 190;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  border-radius: 22px;
  box-shadow: 0 22px 54px rgba(16,185,129,.3);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform-origin: top center;
  transition: opacity .25s, transform .25s;
}
.yk-menu-panel__recruit-btn {
  margin-top: 6px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  padding: 16px 18px;
  border-radius: 14px;
  background: linear-gradient(90deg, #12b981, #45c4e6);
  box-shadow: 0 6px 18px rgba(18,185,129,.38);
}

/* ---- Hero section ---- */
.yk-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow: hidden;
}
.yk-hero__bg-gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(160deg, #eefaf3 0%, #ddf5ea 40%, #e0f5ec 100%);
}
.yk-hero__bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.yk-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, #FFFFFFEB, rgba(255,231,239,.28) 38%, rgba(255,247,241,.75) 82%, #f2fbf7 100%);
}
.yk-hero__orb-1 {
  position: absolute;
  left: -6%; top: 8%;
  width: 40vw; height: 40vw;
  z-index: 1;
  border-radius: 50%;
  filter: blur(10px);
  animation: yk-floatY 12s ease-in-out infinite;
}
.yk-hero__orb-2 {
  position: absolute;
  right: -8%; top: 20%;
  width: 36vw; height: 36vw;
  z-index: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110,200,230,.45), transparent 64%);
  filter: blur(12px);
  animation: yk-floatY 15s ease-in-out infinite reverse;
}
.yk-hero__orb-3 {
  position: absolute;
  left: 14%; top: 42%;
  width: 18vw; height: 18vw;
  z-index: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110,215,175,.4), transparent 66%);
  filter: blur(8px);
  animation: yk-bob 9s ease-in-out infinite;
}
.yk-hero__wordmark {
  position: relative;
  z-index: 6;
  text-align: center;
  padding: 0 20px;
  /* marginTop はJSで動的に設定 */
}
.yk-hero__logo {
  width: min(74vw, 400px);
  height: auto;
  filter:
    drop-shadow(1px 0 0 #fff)
    drop-shadow(-1px 0 0 #fff)
    drop-shadow(0 1px 0 #fff)
    drop-shadow(0 -1px 0 #fff)
    drop-shadow(0 0 10px rgba(255,255,255,.95))
    drop-shadow(0 0 26px rgba(255,255,255,.85))
    drop-shadow(0 0 52px rgba(150,230,195,.7))
    drop-shadow(0 12px 26px rgba(16,185,129,.35));
}
.yk-hero__tagline {
  margin: 20px 0 0;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: clamp(9px, 1.3vw, 15px);
  letter-spacing: .16em;
  color: #5a4750;
}
.yk-hero__bottom-fade {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  z-index: 5;
  background: linear-gradient(180deg, transparent, #f2fbf7);
  pointer-events: none;
}

/* ---- Schedule button (floating) ---- */
.yk-schedule-btn {
  /* サイズ・位置はJSで動的設定 */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(135deg, #2fd98a, #12b981, #45c4e6);
  background-size: 200% 200%;
  animation: yk-grad 6s linear infinite;
  box-shadow: 0 12px 34px rgba(18,185,129,.48), 0 0 0 4px rgba(255,255,255,.7);
  transition: transform .2s, box-shadow .2s;
}
.yk-schedule-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(18,185,129,.55), 0 0 0 4px rgba(255,255,255,.9);
}

/* ---- OUR STORY banner ---- */
.yk-our-story-banner {
  position: relative;
  z-index: 6;
  display: flex;
  width: fit-content;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: calc(100% - 24px);
  margin: 6px auto 0;
  padding: 22px clamp(16px, 4vw, 32px);
  border-radius: 999px;
  text-decoration: none;
  background: linear-gradient(90deg, #12b981, #45c4e6);
  box-shadow: 0 14px 36px rgba(18,185,129,.32);
}
.yk-our-story-banner__text {
  font-weight: 900;
  font-size: clamp(11px, 3.3vw, 20px);
  color: #fff;
  white-space: nowrap;
}
.yk-our-story-banner__arrow {
  font-size: 22px;
  color: #fff;
}

/* ---- ABOUT section ---- */
.yk-about {
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin: 0 auto;
  padding: clamp(80px, 11vw, 150px) 24px;
  text-align: center;
}
.yk-about__heading-wrap {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 0 0 8px;
  justify-content: center;
}
.yk-about__heading {
  margin: 0;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: clamp(30px, 5vw, 56px);
  background: linear-gradient(90deg, #10b981, #45c4e6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.yk-about__heading-sub {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .3em;
  color: #b09aa3;
}
.yk-about__lead {
  margin: 26px auto 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 2.1;
  color: #6b5560;
}
.yk-about__catchcopy {
  margin: 22px 0 0;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: clamp(26px, 4.8vw, 48px);
  line-height: 1.5;
}
.yk-about__catchcopy-accent {
  background: linear-gradient(90deg, #10b981, #45c4e6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.yk-about__cards {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin: 44px 0;
  flex-wrap: wrap;
}
.yk-about__card {
  flex: 1;
  min-width: 220px;
  max-width: 330px;
  padding: 32px 24px;
  border-radius: 26px;
  background: #fff;
}
.yk-about__card--circuit {
  box-shadow: 0 14px 36px rgba(110,200,230,.22);
}
.yk-about__card--warmth {
  box-shadow: 0 14px 36px rgba(16,185,129,.22);
}
.yk-about__card-title--circuit {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: #45c4e6;
}
.yk-about__card-title--warmth {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: #10b981;
}
.yk-about__card-label--circuit {
  font-size: 11px;
  letter-spacing: .2em;
  color: #45c4e6;
  margin-top: 2px;
}
.yk-about__card-label--warmth {
  font-size: 11px;
  letter-spacing: .2em;
  color: #10b981;
  margin-top: 2px;
}
.yk-about__card-desc {
  margin-top: 12px;
  font-size: 13px;
  color: #6b5560;
  line-height: 1.9;
}
.yk-about__kairo-text {
  font-size: 14px;
  line-height: 2.1;
  color: #8a7680;
  max-width: 640px;
  margin: 0 auto 20px;
}
.yk-about__kairo-text--circuit { color: rgb(69,196,230); font-weight: 700; }
.yk-about__kairo-text--warmth  { color: rgb(255,111,145); font-weight: 700; }
.yk-about__body {
  font-size: 15px;
  line-height: 2.2;
  color: #6b5560;
  max-width: 640px;
  margin: 0 auto;
}
.yk-btn {
  display: inline-block;
  margin-top: 36px;
  padding: 15px 44px;
  border-radius: 999px;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(90deg, #12b981, #45c4e6);
  box-shadow: 0 10px 26px rgba(18,185,129,.38);
  transition: transform .2s, box-shadow .2s;
}
.yk-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(18,185,129,.48);
}
.yk-btn--flex {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* ---- TALENT section ---- */
.yk-talent {
  position: relative;
  z-index: 2;
  padding: clamp(60px, 8vw, 110px) clamp(16px, 4vw, 48px);
  background: linear-gradient(180deg, #f2fbf7, #e9f8f1);
}
.yk-talent__heading-wrap {
  display: flex;
  align-items: baseline;
  gap: 16px;
  max-width: 1320px;
  margin: 0 auto 40px;
  justify-content: center;
}
.yk-talent__heading {
  margin: 0;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: clamp(30px, 5vw, 56px);
  background: linear-gradient(90deg, #10b981, #45c4e6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.yk-talent__heading-sub {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .3em;
  color: #b09aa3;
}
.yk-talent__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 22px;
  max-width: 1320px;
  margin: 0 auto;
}
.yk-talent__card {
  position: relative;
  display: block;
  text-decoration: none;
  border-radius: 26px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 12px 30px rgba(16,185,129,.18);
  transition: transform .25s, box-shadow .25s;
}
.yk-talent__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 26px 56px rgba(16,185,129,.3);
}
.yk-talent__card-img-wrap {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: linear-gradient(165deg, #e6f7ef, #e2f6ee);
}
.yk-talent__card-info {
  padding: 18px 18px 22px;
  text-align: center;
}
.yk-talent__card-name {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: 20px;
  color: #3b2f36;
}
.yk-talent__card-romaji {
  font-size: 11px;
  letter-spacing: .16em;
  color: #45c4e6;
  margin-top: 3px;
  font-weight: 700;
}
.yk-talent__btn-wrap {
  display: flex;
  justify-content: center;
  margin-top: 44px;
}

/* ---- AUDITION section ---- */
.yk-audition {
  position: relative;
  z-index: 2;
  padding: clamp(60px, 8vw, 120px) 24px clamp(90px, 12vw, 150px);
}
.yk-audition__heading-wrap {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 0 auto 40px;
  justify-content: center;
}
.yk-audition__heading {
  margin: 0;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: clamp(30px, 5vw, 56px);
  background: linear-gradient(90deg, #10b981, #45c4e6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.yk-audition__heading-sub {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .3em;
  color: #b09aa3;
}
.yk-audition__card {
  position: relative;
  max-width: 1040px;
  margin: 0 auto;
  border-radius: 34px;
  overflow: hidden;
  padding: clamp(40px, 7vw, 76px);
  text-align: center;
  background: linear-gradient(135deg, #fff, #eefaf4);
  box-shadow: 0 20px 50px rgba(16,185,129,.25);
}
.yk-audition__orb-1 {
  position: absolute;
  top: -30px; left: -30px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(110,200,230,.4), transparent 65%);
}
.yk-audition__orb-2 {
  position: absolute;
  bottom: -40px; right: -30px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16,185,129,.4), transparent 65%);
}
.yk-audition__inner {
  position: relative;
  z-index: 2;
}
.yk-audition__label {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: .3em;
  color: #45c4e6;
}
.yk-audition__title {
  margin: 14px 0 0;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.35;
  color: #3b2f36;
}
.yk-audition__desc {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 2;
  color: #6b5560;
}
.yk-audition__btn {
  display: inline-block;
  margin-top: 32px;
  padding: 17px 52px;
  border-radius: 999px;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  letter-spacing: .08em;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(90deg, #2fd98a, #12b981, #45c4e6);
  background-size: 200% 100%;
  animation: yk-grad 6s linear infinite;
  box-shadow: 0 14px 34px rgba(18,185,129,.42);
}

/* ---- PAGE TOP button ---- */
.yk-page-top {
  display: flex;
  justify-content: center;
  padding: 40px 0 0;
  background: #fff;
}
.yk-page-top__btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  border-bottom: none;
  outline: none;
  color: #12b981;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .1em;
  transition: transform .2s;
}
.yk-page-top__btn:hover { transform: translateY(-4px); }
.yk-page-top__circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  border-radius: 999px;
  background: linear-gradient(135deg, #12b981, #45c4e6);
  box-shadow: 0 8px 22px rgba(18,185,129,.38);
}

/* ---- Footer ---- */
.yk-footer {
  position: relative;
  z-index: 2;
  background: #fff;
  padding: 46px clamp(20px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.yk-footer__upper {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}
.yk-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.yk-footer__logo { height: 26px; width: auto; }
.yk-footer__sns {
  display: flex;
  align-items: center;
  gap: 12px;
}
.yk-footer__sns-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 999px;
  text-decoration: none;
}
.yk-footer__sns-btn--x       { background: #3b2f36; }
.yk-footer__sns-btn--youtube  { background: #ff0033; }
.yk-footer__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  font-size: 12px;
  font-weight: 700;
  color: #8a7680;
}
.yk-footer__link {
  color: inherit;
  text-decoration: none;
}
.yk-footer__copyright {
  font-size: 11px;
  color: #b09aa3;
  text-align: center;
}