/*
 * るるてぃか ウェブサイト — 制作：みろん
 * セクションの配色・配置。読み込み順：2/4。トップの最終指定は hero.css。
 * セレクター・宣言・メディア条件の順序は、現在の表示を維持するため保持。
 */

/* 全体の配置・配色。ヘッダーとトップの最終指定は後続の hero.css が上書きする */

/* ヘッダーとナビゲーション */
.header {
  background: #102448;
  border-bottom-color: #ffffff18;
  min-height: 76px;
  padding-block: 14px;
}
.header.is-scrolled {
  background: #102448f5;
  box-shadow: 0 8px 28px #10244820;
}
.header nav a {
  color: #edf4ff;
  font-size: .875rem;
}
.header nav a::after {
  background: #d3b675;
}

/* トップ画面 */
.hero {
  isolation: isolate;
  background: radial-gradient(ellipse at 80% 45%,#365992 0,#203b6d 32%,#142d56 64%,#102448 100%);
  border-bottom: 0;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -150px;
  top: 5%;
  width: 860px;
  height: 860px;
  background: url("assets/symbol.webp") center/contain no-repeat;
  opacity: .055;
  pointer-events: none;
}
.hero-inner {
  max-width: 1440px;
  min-height: 740px;
  height: calc(100svh - 76px);
  max-height: 880px;
  grid-template-columns: .95fr 1.05fr;
  gap: 0;
  padding: 50px 72px 90px;
}
.hero-copy {
  max-width: 560px;
  padding: 0;
  z-index: 3;
}
.hero h1 {
  width: 410px;
  max-width: 88%;
  margin: 0 0 26px;
}
.hero h1 img {
  filter: drop-shadow(0 3px 12px #10244818);
}
.gold-line {
  max-width: 210px;
  margin: 20px 0 25px;
  color: #e0c58b;
}
.gold-line::before {
  background: linear-gradient(90deg,#d9bb7d,#d9bb7d20);
}
.hero-catch {
  color: #fff;
  font-size: clamp(1.45rem,2.1vw,1.85rem);
  line-height: 1.95;
  letter-spacing: .055em;
  text-shadow: 0 2px 18px #10244850;
}
.hero-sub {
  color: #dce8fa;
  font-size: 1rem;
  margin-top: 22px;
  max-width: 370px;
  line-height: 2;
}
.hero .actions {
  margin-top: 32px;
  gap: 12px;
}
.hero .button {
  min-height: 52px;
  font-size: .9375rem;
  padding-inline: 30px;
}
.hero .button-blue {
  background: #fff;
  color: #203b69;
  border-color: #fff;
  box-shadow: 0 8px 24px #10244820;
}
.hero .button-blue .play-icon {
  background: #e4edff;
  color: #416eae;
}
.hero .button-white {
  background: #ffffff0a;
  color: #fff;
  border-color: #b8cee680;
}
.hero .button-white:hover {
  background: #ffffff18;
}
.hero-art {
  position: absolute;
  inset: auto 0 0 auto;
  width: 58%;
  height: 100%;
  margin: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1;
  pointer-events: none;
}
.hero-art>img {
  height: calc(100% + 135px);
  max-width: none;
  max-height: 990px;
  width: auto;
  object-fit: contain;
  position: relative;
  bottom: -145px;
  translate: 24px 0;
  filter: drop-shadow(0 16px 34px #091a3f33);
}
.art-ring,.hero-orbit {
  display: none;
}
.hero .star {
  color: #d4ba7b;
}
.star-one {
  left: 3%;
  top: 8%;
  font-size: 25px;
}
.star-two {
  left: 48%;
  bottom: 17%;
  font-size: 18px;
}
.star-three {
  right: 4%;
  top: 8%;
  font-size: 30px;
}
.ambient-stars i {
  color: #a8cafa;
}
.scroll-cue {
  left: 72px;
  translate: none;
  transform: none;
  color: #c4d7ef;
  bottom: 28px;
  font-size: .6875rem;
  letter-spacing: .2em;
}
.scroll-cue span {
  background: #d4ba7b;
}

/* セクション共通 */
.section {
  padding-block: 100px;
}
.section-inner {
  max-width: 1160px;
}
.section-heading h2 {
  font-size: clamp(1.7rem,2.7vw,2.4rem);
  letter-spacing: .09em;
}
.section-heading .eyebrow {
  font-size: .875rem;
  letter-spacing: .23em;
}

/* プロフィール */
.profile-section {
  background: #fff;
}
.profile-grid {
  grid-template-columns: .8fr 1.2fr;
  gap: 80px;
}
.profile-art {
  min-height: 620px;
}
.profile-art>img {
  height: 600px;
  max-width: 85%;
}
.profile-orbit {
  background: radial-gradient(ellipse,#e3efff,#f6faff 58%,transparent 70%);
  border: 0;
  width: 430px;
  height: 550px;
}

/* プロフィール本文 */
.world-letter {
  background: #f6f9ff;
  border: 0;
  padding: 32px 34px;
  box-shadow: none;
}
.world-letter .story-title {
  font-size: 1.4rem;
}
.world-letter .story {
  font-size: 1rem;
}
.profile-copy .facts {
  padding-inline: 12px;
  margin-top: 32px;
}

/* タグ */
.tags-panel {
  margin-top: 58px;
  border-radius: 0;
  background: #f7faff;
  border: 0;
  border-top: 1px solid #d3e2f2;
  padding: 32px 36px;
}

/* 歌・動画 */
.music-section {
  background: #142d56;
  color: #edf4ff;
  padding-block: 90px;
}
.music-section .eyebrow,.music-section .media-label span {
  color: #b3ccef;
}
.music-section .heading-star {
  background: #142d56;
  color: #d8c08b;
}
.music-grid {
  gap: 36px;
}
.media-art {
  border-radius: 0;
}
.media-art img {
  aspect-ratio: 16/9;
}
.media-label {
  border-color: #9bbbe43b;
  padding: 20px 0;
}
.media-label h3 {
  font-size: 1.4rem;
}
.media-label span {
  font-size: .8125rem;
}
.coming-soon {
  background: #ffffff09;
  color: #d7e4f7;
  border-radius: 0;
  padding: 12px 20px;
  margin-top: 32px;
}
.coming-soon .soon-label {
  color: #afc8ec;
  font-size: .75rem;
}
.coming-soon p {
  font-size: .875rem;
}

/* 活動実績 */
.activity-section {
  padding-block: 48px;
  background: #f1f6fc;
}
.activity-section .section-heading h2 {
  font-size: 1.6rem;
}
.activity-panel .eyebrow {
  font-size: .75rem;
}
.activity-panel .activity-note {
  font-size: .875rem;
}
.fabula-section .section-inner {
  max-width: 1260px;
}
.unit-picture {
  border-radius: 0;
  box-shadow: none;
}

/* ギャラリーとファンアート案内 */
.gallery-section {
  background: #f5f8fd;
}
.gallery-section .heading-star {
  background: #f5f8fd;
}
.gallery-grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.gallery-item {
  width: 89%;
  border: 0;
  border-radius: 0;
  box-shadow: 0 14px 40px #24487612;
}
.gallery-item:nth-child(2) {
  align-self: flex-end;
}
.gallery-item img,.gallery-item:nth-child(1) img {
  aspect-ratio: 16/9;
  object-fit: contain;
}
.gallery-item>span {
  font-size: .875rem;
  padding: 14px 22px;
  letter-spacing: .2em;
}
.fan-art {
  margin-top: 80px;
  padding: 38px 40px;
  border-top: 1px solid #d0dfef;
  background: #ffffff8a;
}
.fan-art details {
  border-radius: 0;
  background: #fff;
}

/* リンク・お問い合わせ */
.contact-section {
  background: #fff;
}
.social {
  border-radius: 18px;
  box-shadow: none;
  border-color: #d0def0;
}
.social-icon {
  color: #406798;
}

/* コラボ案内 */
.collab {
  border-radius: 0;
  box-shadow: none;
  background: #f7faff;
  border: 0;
  border-top: 1px solid #ccdff1;
}
.closing.closing-tea {
  background: #ecf3fd;
}

/* 表示条件：(min-width:1600px) */
@media(min-width:1600px) {
  .hero-inner {
    max-width: 1520px;
    padding-inline: 100px;
  }
  .hero h1 {
    width: 440px;
  }
  .hero-art>img {
    height: calc(100% + 135px);
  }
  .scroll-cue {
    left: 100px;
  }
}

/* 表示条件：(max-width:1100px) */
@media(max-width:1100px) {
  .hero-inner {
    min-height: 670px;
    height: calc(100svh - 76px);
    padding-inline: 48px;
  }
  .hero h1 {
    width: 345px;
  }
  .hero-catch {
    font-size: 1.42rem;
  }
  .hero-sub {
    font-size: .9375rem;
    max-width: 300px;
  }
  .hero-art {
    right: -35px;
    width: 59%;
  }
  .hero-art>img {
    height: calc(100% + 90px);
    bottom: -100px;
    translate: 10px 0;
  }
  .scroll-cue {
    left: 48px;
  }
  .profile-grid {
    gap: 42px;
  }
  .profile-orbit {
    width: 320px;
  }
  .world-letter {
    padding: 30px 26px;
  }
}

/* 表示条件：(max-width:850px) */
@media(max-width:850px) {
  .header {
    min-height: 70px;
  }
  .header nav {
    background: #102448f8;
    border-color: #ffffff22;
  }
  .header nav a {
    font-size: .9375rem;
  }
  .menu-toggle {
    background: #ffffff08;
    border-color: #b6c9e460;
  }
  .menu-toggle>span:not(.sr-only) {
    background: #fff;
  }
  .hero-inner {
    min-height: 640px;
    height: calc(100svh - 70px);
    max-height: 760px;
    padding-inline: 30px;
  }
  .hero h1 {
    width: 300px;
  }
  .hero-catch {
    font-size: 1.15rem;
    letter-spacing: .025em;
  }
  .hero-sub {
    font-size: .875rem;
    max-width: 230px;
  }
  .hero .button {
    padding-inline: 20px;
    font-size: .875rem;
  }
  .hero-art {
    right: -50px;
    width: 62%;
  }
  .hero-art>img {
    height: calc(100% + 45px);
    bottom: -85px;
    translate: 0 0;
  }
  .scroll-cue {
    left: 30px;
  }
  .section {
    padding-block: 74px;
  }
  .activity-section {
    padding-block: 40px;
  }
  .profile-grid {
    gap: 24px;
  }
  .profile-art {
    min-height: 560px;
  }
  .profile-art>img {
    height: 520px;
  }
  .profile-orbit {
    width: 250px;
    height: 430px;
  }
  .world-letter {
    padding: 27px 23px;
  }
  .world-letter .story-title {
    font-size: 1.18rem;
  }
  .fan-art {
    padding: 30px 26px;
  }
}

/* 表示条件：(max-width:600px) */
@media(max-width:600px) {
  .hero::before {
    width: 580px;
    height: 580px;
    right: -195px;
    top: 31%;
  }
  .hero-inner {
    height: auto;
    min-height: 850px;
    max-height: none;
    display: flex;
    padding: 35px 24px 56px;
    gap: 0;
  }
  .hero-copy {
    width: 100%;
    text-align: center;
  }
  .hero h1 {
    width: min(278px,88%);
    max-width: 88%;
    margin: 0 auto 14px;
  }
  .gold-line {
    width: 125px;
    margin: 10px auto 14px;
  }
  .hero-catch {
    font-size: 1.17rem;
    line-height: 1.9;
    letter-spacing: .035em;
  }
  .hero-sub {
    font-size: .875rem;
    max-width: 280px;
    margin: 12px auto 0;
  }
  .hero .actions {
    margin-top: 20px;
    gap: 12px;
  }
  .hero .button {
    min-height: 46px;
    padding-inline: 23px;
  }
  .hero-art {
    position: relative;
    inset: auto;
    width: 100%;
    height: 440px;
    margin: 20px 0 0;
    order: 2;
    flex: none;
  }
  .hero-art>img {
    height: 500px;
    max-width: none;
    width: auto;
    bottom: -65px;
    translate: 12px 0;
  }
  .scroll-cue {
    left: 50%;
    transform: translateX(-50%);
    bottom: 16px;
    font-size: .625rem;
  }
  .star-one {
    top: 24px;
    left: 5%;
    font-size: 18px;
  }
  .star-three {
    top: 25px;
    right: 4%;
    font-size: 22px;
  }
  .star-two {
    bottom: 28%;
    left: 8%;
  }
  .ambient-stars i:nth-child(1) {
    top: 49%;
    left: 12%;
  }
  .ambient-stars i:nth-child(3) {
    top: 43%;
    right: 8%;
  }
  .section {
    padding-block: 60px;
  }
  .section-heading h2 {
    font-size: 1.65rem;
  }
  .section-heading .eyebrow {
    font-size: .75rem;
    letter-spacing: .18em;
  }
  .profile-grid {
    gap: 26px;
  }
  .profile-art {
    height: 440px;
    min-height: 0;
  }
  .profile-art>img {
    height: 430px;
  }
  .profile-orbit {
    width: 300px;
    height: 360px;
  }
  .world-letter {
    padding: 29px 24px;
  }
  .world-letter .story {
    font-size: 1rem;
  }
  .world-letter .story-title {
    font-size: 1.2rem;
  }
  .tags-panel {
    padding: 25px 20px;
    margin-top: 34px;
  }
  .music-grid {
    gap: 30px;
  }
  .media-label {
    padding: 15px 0;
  }
  .media-label h3 {
    font-size: 1.2rem;
  }
  .coming-soon {
    padding: 12px 15px;
    margin-top: 28px;
  }
  .coming-soon .soon-label {
    font-size: .75rem;
  }
  .activity-section {
    padding-block: 34px;
  }
  .activity-section .section-heading h2 {
    font-size: 1.5rem;
  }
  .gallery-grid {
    gap: 28px;
  }
  .gallery-item {
    width: 100%;
  }
  .gallery-item>span {
    font-size: .8125rem;
    padding: 12px 17px;
  }
  .fan-art {
    margin-top: 42px;
    padding: 26px 0 0;
    background: transparent;
  }
  .unit-note {
    font-size: .875rem;
  }
  .collab {
    padding: 26px 20px;
  }
}