/* =========================================================
   Afternoon Perfume — Global Styles
   Brand: Blue Sky × Citrus × Afternoon Light × Perfume
   ========================================================= */

:root {
  --color-bg: #f8fbfd;
  --color-surface: #ffffff;
  --color-blue-pale: #dde8f5;
  --color-blue-soft: #adc4e0;
  --color-blue-main: #5d8fc5;
  --color-blue-deep: #2d4668;
  --color-navy: #1b3150;
  --color-citrus: #e8c547;
  --color-citrus-rgb: 232, 197, 71;
  --color-citrus-light: #f8edb0;
  --color-text: #27384d;
  --color-muted: #65778d;
  --color-border: rgba(45, 70, 104, 0.16);
  --color-white: #ffffff;

  /* フォント変数のアップデート */
  --font-sans: "Jost", "Zen Kaku Gothic New", "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Arial, sans-serif;
  --font-display: "Cormorant Garamond", "Shippori Mincho", Georgia, "Times New Roman", "Yu Mincho", YuMincho, serif;
  --font-script: "Allura", cursive;

  --container: 1180px;
  --header-height: 82px;
  --radius-sm: 4px;
  --radius-md: 16px;
  --shadow-soft: 0 24px 70px rgba(23, 50, 73, 0.12);
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  font-weight: 400; /* 本文のウェイトを細めに */
  letter-spacing: 0.04em; /* 日本語本文の窮屈さを解消 */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

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

/* Header */
.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  color: var(--color-white);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-script);
  font-size: clamp(2rem, 3vw, 2.65rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1;
  text-shadow: 0 2px 12px rgba(15, 38, 55, 0.4); /* 背景写真とのコントラスト確保 */
}

.site-logo-mark {
  position: relative;
  z-index: 0;
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-citrus);
  box-shadow:
    0 0 0 4px rgba(var(--color-citrus-rgb), 0.12),
    0 0 9px rgba(var(--color-citrus-rgb), 0.3);
  animation: citrus-signal 3.2s ease-in-out infinite;
}

.site-logo-mark::before {
  position: absolute;
  z-index: -1;
  inset: -10px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(var(--color-citrus-rgb), 0.48) 0%,
    rgba(var(--color-citrus-rgb), 0.16) 42%,
    rgba(var(--color-citrus-rgb), 0) 72%
  );
  content: "";
  opacity: 0.22;
  transform: scale(0.72);
  animation: citrus-aura 3.2s ease-in-out infinite;
}

.nav-list,
.footer-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 46px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  position: relative;
  display: block;
  padding: 8px 0;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-list a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  background: var(--color-citrus);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after,
.nav-list a.is-current::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Hero */
.hero {
  position: relative;
  display: grid;
  min-height: max(720px, 100svh);
  overflow: hidden;
  color: var(--color-white);
  isolation: isolate;
}

.hero-media,
.hero-shade,
.hero-content {
  grid-area: 1 / 1;
}

.hero-media {
  z-index: -2;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  animation: hero-reveal 1.2s ease-out both;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(20, 48, 69, 0.66) 0%, rgba(20, 48, 69, 0.26) 48%, rgba(20, 48, 69, 0.04) 80%),
    linear-gradient(0deg, rgba(15, 38, 55, 0.34) 0%, transparent 40%);
}

.hero-action-bar {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  padding: 20px 0;
  background: rgba(23, 50, 73, 0.64);
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(12px);
}

.hero-action-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.hero-action-inner > p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-style: italic;
  letter-spacing: 0.01em;
}

.hero-action-inner .button-group {
  flex: 0 0 auto;
  margin-top: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--color-blue-main);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500; /* ウェイトを少し落として洗練させる */
  letter-spacing: 0.18em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 2px;
  background: var(--color-citrus);
  content: "";
}

.hero-eyebrow {
  color: rgba(255, 255, 255, 0.88);
}

.hero-title {
  max-width: 800px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(4.4rem, 10vw, 9.2rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.8;
  text-shadow: 0 6px 30px rgba(15, 38, 55, 0.18);
}

.hero-copy {
  margin: 32px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.3vw, 1.65rem);
  font-style: italic;
  letter-spacing: 0.01em;
  line-height: 1.45;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.2;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--color-citrus);
  color: var(--color-navy);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--color-citrus-light);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  backdrop-filter: blur(8px);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.18);
}

.button-dark {
  background: var(--color-blue-deep);
  color: var(--color-white);
}

.button-dark:hover,
.button-dark:focus-visible {
  background: var(--color-navy);
}

.button-outline {
  border-color: var(--color-blue-deep);
  color: var(--color-blue-deep);
}

.button-outline:hover,
.button-outline:focus-visible {
  background: var(--color-blue-deep);
  color: var(--color-white);
}

.scroll-cue {
  position: absolute;
  right: 40px;
  bottom: 145px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transform: rotate(90deg) translateX(-100%);
  transform-origin: left bottom;
}

.scroll-line {
  width: 54px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.45);
}

.scroll-line::after {
  display: block;
  width: 55%;
  height: 100%;
  background: var(--color-citrus);
  content: "";
  animation: scroll-pulse 2s ease-in-out infinite;
}

/* Shared sections */
.section {
  padding: clamp(92px, 11vw, 150px) 0;
}

.section-title {
  margin: 0;
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.3vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.04em; /* 抜け感を出すために広げる */
  line-height: 1.4; /* 行間を広げて風通しを良くする */
}

#featured-title, #moods-title {
  letter-spacing: -0.01em; /* 英語メインの見出しは少し詰めて塊感を持たせる */
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--color-citrus);
  color: var(--color-blue-deep);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.text-link span {
  transition: transform var(--transition);
}

.text-link:hover span,
.text-link:focus-visible span {
  transform: translateX(4px);
}

/* Concept */
.concept-section {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
}

.concept-section::after {
  position: absolute;
  right: -70px;
  bottom: -120px;
  width: 330px;
  height: 330px;
  border: 1px solid var(--color-blue-pale);
  border-radius: 50%;
  box-shadow: inset 0 0 0 55px var(--color-bg), inset 0 0 0 56px var(--color-blue-pale);
  content: "";
}

.concept-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: clamp(60px, 10vw, 140px);
  align-items: center;
}

.concept-copy {
  position: relative;
  z-index: 1;
  color: var(--color-muted);
}

.concept-copy p {
  margin: 0 0 1.3em;
}

.concept-copy .text-link {
  margin-top: 18px;
}

/* Featured album */
.featured-section {
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-blue-pale) 100%);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(48px, 7vw, 82px);
}

.album-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.88fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: center;
}

.album-artwork {
  position: relative;
  box-shadow: var(--shadow-soft);
}

.album-artwork::before {
  position: absolute;
  z-index: -1;
  top: -18px;
  right: -18px;
  width: 42%;
  height: 42%;
  background: var(--color-citrus);
  content: "";
}

.album-artwork img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center;
}

.album-number {
  position: absolute;
  right: 18px;
  bottom: 10px;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 1;
}

.album-meta {
  margin: 0 0 18px;
  color: var(--color-blue-main);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500; /* ウェイトを少し落として洗練させる */
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.album-content h3 {
  margin: 0 0 28px;
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.album-content > p:last-of-type {
  max-width: 560px;
  margin: 0;
  color: var(--color-muted);
}

.mobile-link {
  display: none;
}

/* Moods */
.moods-section {
  background: var(--color-surface);
}

.mood-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(50px, 7vw, 78px);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.mood-card {
  position: relative;
  min-height: 300px;
  padding: 42px 34px;
  overflow: hidden;
  border-right: 1px solid var(--color-border);
  transition: background-color var(--transition), color var(--transition);
}

.mood-card:last-child {
  border-right: 0;
}

.mood-card::after {
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 180px;
  height: 180px;
  border: 26px solid rgba(var(--color-citrus-rgb), 0.6);
  border-radius: 50%;
  content: "";
  transform: scale(0.75);
  transition: transform var(--transition);
}

.mood-card:hover {
  background: var(--color-blue-deep);
  color: var(--color-white);
}

.mood-card:hover::after {
  transform: scale(1);
}

.mood-index {
  color: var(--color-blue-main);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.mood-card h3 {
  margin: 52px 0 16px;
  font-family: var(--font-display);
  font-size: 2.35rem;
  font-weight: 400;
  line-height: 1.1;
}

.mood-card p {
  position: relative;
  z-index: 1;
  max-width: 260px;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.93rem;
}

.mood-card:hover p {
  color: rgba(255, 255, 255, 0.76);
}

/* Listen CTA */
.listen-section {
  position: relative;
  padding: clamp(110px, 14vw, 190px) 0;
  overflow: hidden;
  background: #263f60;
  color: var(--color-white);
  text-align: center;
}

.listen-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.listen-inner .eyebrow {
  color: var(--color-blue-soft);
}

.listen-inner h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8.5rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.listen-inner > p:not(.eyebrow) {
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.listen-inner .button {
  margin-top: 38px;
}

.citrus-orbit {
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  width: min(68vw, 700px);
  aspect-ratio: 1;
  border: 1px solid rgba(169, 205, 232, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: orbit 24s linear infinite;
}

.citrus-orbit::before,
.citrus-orbit::after {
  position: absolute;
  border: 1px solid rgba(169, 205, 232, 0.12);
  border-radius: 50%;
  content: "";
}

.citrus-orbit::before {
  inset: 14%;
}

.citrus-orbit::after {
  inset: 29%;
}

.citrus-orbit span {
  position: absolute;
  top: 8%;
  right: 16%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-citrus);
  box-shadow: 0 0 32px rgba(var(--color-citrus-rgb), 0.55);
}

/* Footer */
.site-footer {
  padding: 70px 0 30px;
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.7);
}

.footer-top,
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-brand {
  color: var(--color-white);
  font-family: var(--font-script);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  line-height: 1;
}

.footer-nav a {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--color-citrus);
}

.footer-bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.footer-bottom p {
  margin: 0;
}

.mobile-only {
  display: none;
}

/* Music page */
.site-header-solid {
  position: relative;
  background: var(--color-blue-deep);
  border-bottom-color: rgba(255, 255, 255, 0.16);
}

.music-intro {
  position: relative;
  padding: clamp(100px, 12vw, 170px) 0 clamp(90px, 11vw, 150px);
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 30%, rgba(var(--color-citrus-rgb), 0.42) 0 7%, transparent 7.2%),
    linear-gradient(135deg, var(--color-bg) 0%, var(--color-blue-pale) 100%);
}

.music-intro::after {
  position: absolute;
  top: 50%;
  right: -90px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(95, 151, 200, 0.28);
  border-radius: 50%;
  content: "";
  transform: translateY(-50%);
}

.music-intro-inner {
  position: relative;
  z-index: 1;
}

.music-intro h1 {
  max-width: 900px;
  margin: 0;
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-size: clamp(4rem, 9vw, 8.4rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.84;
}

.music-intro-inner > p:last-child {
  max-width: 720px;
  margin: 42px 0 0;
  color: var(--color-muted);
}

.music-catalog {
  padding: clamp(95px, 12vw, 170px) 0;
  background: var(--color-surface);
}

.album-list {
  display: grid;
  gap: clamp(110px, 14vw, 190px);
}

.discography-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(52px, 9vw, 120px);
  align-items: center;
  scroll-margin-top: 40px;
}

.discography-card-reverse .discography-artwork {
  order: 2;
}

.discography-card-reverse .discography-body {
  order: 1;
}

.discography-artwork {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  align-self: center;
  box-shadow: var(--shadow-soft);
}

.discography-artwork::after {
  position: absolute;
  z-index: -1;
  right: -14px;
  bottom: -14px;
  width: 38%;
  height: 38%;
  background: var(--color-citrus);
  content: "";
}

.discography-artwork img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.discography-artwork > span {
  position: absolute;
  right: 18px;
  bottom: 10px;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 7vw, 6.4rem);
  line-height: 1;
  text-shadow: 0 2px 20px rgba(23, 50, 73, 0.22);
}

.discography-body h2 {
  margin: 0 0 8px;
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.discography-body .album-tagline {
  margin: 22px 0 24px;
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.5vw, 2rem);
  font-style: italic;
  letter-spacing: 0;
  line-height: 1.25;
}

.discography-body > p:not(.album-meta):not(.album-tagline) {
  max-width: 560px;
  margin: 0;
  color: var(--color-muted);
}

.discography-body .button {
  margin-top: 34px;
}

/* About page */
.about-intro {
  position: relative;
  padding: clamp(100px, 12vw, 170px) 0 clamp(82px, 10vw, 130px);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-blue-pale) 100%);
}

.about-intro::after {
  position: absolute;
  top: -140px;
  right: -90px;
  width: 430px;
  height: 430px;
  border: 58px solid rgba(var(--color-citrus-rgb), 0.35);
  border-radius: 50%;
  content: "";
}

.about-intro-inner {
  position: relative;
  z-index: 1;
}

.about-intro h1 {
  max-width: 1050px;
  margin: 0;
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-size: clamp(4rem, 9vw, 8.4rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.84;
}

.about-intro-inner > p:last-child {
  margin: 40px 0 0;
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.3vw, 1.8rem);
}

.about-visual {
  padding: clamp(62px, 8vw, 100px) 0 0;
  background: var(--color-surface);
}

.about-visual-frame {
  position: relative;
  box-shadow: var(--shadow-soft);
}

.about-visual-frame::before {
  position: absolute;
  z-index: -1;
  top: -14px;
  left: -14px;
  width: 28%;
  height: 42%;
  background: var(--color-citrus);
  content: "";
}

.about-visual-frame img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center;
}

.about-visual-frame p {
  position: absolute;
  right: 28px;
  bottom: 18px;
  margin: 0;
  color: var(--color-white);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-shadow: 0 2px 12px rgba(23, 50, 73, 0.45);
  text-transform: uppercase;
}

.about-story {
  background: var(--color-surface);
}

.about-story-grid,
.sound-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: clamp(60px, 10vw, 140px);
  align-items: start;
}

.about-story-copy {
  color: var(--color-muted);
}

.about-story-copy p {
  margin: 0 0 1.4em;
}

.duo-section {
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-blue-pale) 100%);
}

.duo-intro {
  max-width: 390px;
  margin: 0;
  color: var(--color-muted);
}

.duo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.duo-card {
  position: relative;
  min-height: 390px;
  padding: clamp(36px, 5vw, 62px);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.38);
}

.duo-card + .duo-card {
  border-left: 1px solid var(--color-border);
}

.duo-card::after {
  position: absolute;
  right: -72px;
  bottom: -92px;
  width: 230px;
  height: 230px;
  border: 34px solid rgba(var(--color-citrus-rgb), 0.5);
  border-radius: 50%;
  content: "";
}

.duo-index,
.duo-role {
  color: var(--color-blue-main);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.duo-role {
  margin: 38px 0 0;
}

.duo-card h3 {
  margin: 8px 0 22px;
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 4.6rem);
  font-weight: 400;
  line-height: 1;
}

.duo-card > p:last-child {
  position: relative;
  z-index: 1;
  max-width: 430px;
  margin: 0;
  color: var(--color-muted);
}

.sound-section {
  padding: clamp(110px, 14vw, 190px) 0;
  background: var(--color-blue-deep);
  color: var(--color-white);
}

.sound-heading .eyebrow {
  color: var(--color-blue-soft);
}

.sound-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6vw, 5.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.sound-copy {
  color: rgba(255, 255, 255, 0.72);
}

.sound-copy p {
  margin: 0 0 1.4em;
}

.text-link-light {
  margin-top: 24px;
  color: var(--color-white);
}

.about-actions {
  justify-content: center;
  margin-top: 38px;
}

.about-actions .button {
  margin-top: 0;
}

/* Motion */
@keyframes hero-reveal {
  from { opacity: 0; transform: scale(1.025); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes scroll-pulse {
  0%, 100% { transform: translateX(-110%); }
  50% { transform: translateX(180%); }
}

@keyframes orbit {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes citrus-signal {
  0%, 100% {
    opacity: 0.74;
    box-shadow:
      0 0 0 4px rgba(var(--color-citrus-rgb), 0.1),
      0 0 8px rgba(var(--color-citrus-rgb), 0.28);
    transform: scale(0.94);
  }

  42% {
    opacity: 1;
    box-shadow:
      0 0 0 5px rgba(var(--color-citrus-rgb), 0.22),
      0 0 18px rgba(var(--color-citrus-rgb), 0.78),
      0 0 34px rgba(var(--color-citrus-rgb), 0.26);
    transform: scale(1.08);
  }

  62% {
    opacity: 0.9;
    box-shadow:
      0 0 0 4px rgba(var(--color-citrus-rgb), 0.15),
      0 0 12px rgba(var(--color-citrus-rgb), 0.46);
    transform: scale(1);
  }
}

@keyframes citrus-aura {
  0%, 100% {
    opacity: 0.18;
    transform: scale(0.72);
  }

  44% {
    opacity: 0.82;
    transform: scale(1.16);
  }

  68% {
    opacity: 0.3;
    transform: scale(0.88);
  }
}

/* Tablet */
@media (max-width: 900px) {
  :root {
    --header-height: 72px;
  }

  .concept-grid,
  .album-feature,
  .discography-card,
  .about-story-grid,
  .sound-grid {
    grid-template-columns: 1fr;
  }

  .concept-grid {
    gap: 46px;
  }

  .album-feature {
    gap: 58px;
  }

  .album-artwork {
    width: min(100%, 650px);
  }

  .album-content {
    max-width: 650px;
  }

  .discography-artwork {
    width: min(100%, 650px);
  }

  .discography-card-reverse .discography-artwork,
  .discography-card-reverse .discography-body {
    order: initial;
  }

  .mood-card {
    padding-inline: 24px;
  }

  .about-story-grid,
  .sound-grid {
    gap: 54px;
  }
}

/* Mobile */
@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 40px), var(--container));
  }

  .site-header {
    height: auto;
    min-height: var(--header-height);
  }

  .header-inner {
    align-items: flex-start;
    padding-top: 20px;
  }

  .site-logo {
    font-size: 1.85rem;
  }

  .site-logo-mark {
    width: 8px;
    height: 8px;
  }

  .nav-list {
    gap: 16px;
  }

  .nav-list li:first-child,
  .nav-list li:last-child {
    display: none;
  }

  .nav-list a {
    font-size: 0.64rem;
    letter-spacing: 0.11em;
  }

  .hero {
    min-height: 720px;
  }

  .hero-image {
    object-position: 58% top;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(20, 48, 69, 0.62) 0%, rgba(20, 48, 69, 0.1) 100%),
      linear-gradient(0deg, rgba(15, 38, 55, 0.55) 0%, transparent 55%);
  }

  .hero-action-bar {
    padding: 18px 0 20px;
  }

  .hero-action-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .hero-action-inner .button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    gap: 10px;
  }

  .hero-action-inner .button {
    min-height: 48px;
    padding: 11px 13px;
    font-size: 0.67rem;
  }

  .scroll-cue {
    display: none;
  }

  .section {
    padding: 84px 0;
  }

  .eyebrow {
    margin-bottom: 18px;
  }

  .section-title {
    font-size: clamp(2.35rem, 12vw, 3.5rem);
  }

  .concept-section::after {
    width: 230px;
    height: 230px;
  }

  .section-heading {
    margin-bottom: 44px;
  }

  .desktop-link {
    display: none;
  }

  .mobile-link {
    display: inline-flex;
    margin-top: 46px;
  }

  .album-artwork::before {
    top: -10px;
    right: -10px;
  }

  .album-content h3 {
    font-size: clamp(2.4rem, 13vw, 3.7rem);
  }

  .album-content .button-group {
    flex-direction: column;
    align-items: stretch;
  }

  .mood-grid {
    grid-template-columns: 1fr;
  }

  .mood-card {
    min-height: 240px;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .mood-card:last-child {
    border-bottom: 0;
  }

  .mood-card h3 {
    margin-top: 32px;
  }

  .citrus-orbit {
    width: 115vw;
  }

  .music-intro {
    padding-block: 82px 90px;
  }

  .music-intro::after {
    right: -150px;
    width: 280px;
    height: 280px;
  }

  .music-intro h1 {
    font-size: clamp(3.6rem, 18vw, 5.4rem);
  }

  .music-intro-inner > p:last-child br {
    display: none;
  }

  .album-list {
    gap: 110px;
  }

  .discography-card {
    gap: 46px;
  }

  .discography-artwork::after {
    right: -9px;
    bottom: -9px;
  }

  .about-intro {
    padding-block: 82px 76px;
  }

  .about-intro::after {
    top: -80px;
    right: -130px;
    width: 290px;
    height: 290px;
    border-width: 38px;
  }

  .about-intro h1 {
    font-size: clamp(3.5rem, 17vw, 5.2rem);
  }

  .about-visual-frame::before {
    top: -8px;
    left: -8px;
  }

  .about-visual-frame p {
    right: 14px;
    bottom: 10px;
    font-size: 0.55rem;
    letter-spacing: 0.12em;
  }

  .duo-grid {
    grid-template-columns: 1fr;
  }

  .duo-card {
    min-height: 340px;
    padding: 38px 28px;
  }

  .duo-card + .duo-card {
    border-top: 1px solid var(--color-border);
    border-left: 0;
  }

  .about-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

  .footer-top,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: 18px 28px;
  }

  .footer-bottom {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}