/* ============================================================
   ASAP SYNERGY × iLiFE! — LP Stylesheet
   Based on 転スラLP v4 precision trace spec
   ============================================================ */

/* === Google Fonts are loaded in HTML === */

:root {
  /* Background colors — iLiFE! theme */
  --bg-1: #ffffff;
  --bg-2: #e8f0fe;       /* light blue for AWAKEN products */
  --bg-3: #fff0f5;       /* light pink for HYDRO SPARK products */
  --bg-4: #f0f8ff;       /* alice blue for campaigns */

  /* Product accent colors — per character image color */
  --color-aisu: #7ecef4;       /* あいす — 白色担当（水色系で表現） */
  --color-karen: #3355cc;      /* 空詩かれん — 青色担当 */
  --color-usa: #f5c518;        /* 福丸うさ — 黄色担当 */
  --color-miki: #9b59b6;       /* 純嶺みき — 紫色担当 */
  --color-riri: #e8293a;       /* 心花りり — 赤色担当 */
  --color-noa: #2dba6e;        /* 若葉のあ — 緑色担当 */
  --color-mini: #47c8e8;       /* 虹羽みに — 水色担当 */
  --color-mamu: #f58220;       /* 小熊まむ — オレンジ担当 */

  /* Legacy aliases for sections that don't need per-character */
  --product-color-1: #3a7bd5;   /* AWAKEN fallback */
  --product-color-2: #e84b8a;   /* HYDRO SPARK fallback */

  /* Shape colors */
  --shape-color: #ffffff;

  /* Text */
  --text-dark: #1a1a2e;
  --text-light: #ffffff;
  --text-muted: rgba(0, 0, 0, 0.55);

  /* Fonts */
  --font-display: 'Be Vietnam Pro', sans-serif;
  --font-body: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
  --font-heading-jp: 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;

  /* Spacing */
  --section-padding: clamp(80px, 12vw, 160px);
  --content-width: min(90%, 1100px);

  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==================== Reset & Base ==================== */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 600;
  line-height: 1.8;
  color: var(--text-dark);
  background-color: var(--bg-1);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ==================== Preloader ==================== */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-1);
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: opacity;
}

.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
}

.preloader-logo img {
  width: clamp(200px, 30vw, 400px);
}

/* ==================== Custom Cursor ==================== */

.cursor {
  pointer-events: none;
  position: fixed;
  z-index: 10000;
  mix-blend-mode: difference;
}

.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
}

.cursor-outline {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out-expo), height 0.3s var(--ease-out-expo);
}

.cursor.is-hovering .cursor-outline {
  width: 60px;
  height: 60px;
  border-color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 1024px), (hover: none) {
  .cursor { display: none; }
}

/* ==================== Liquid Background Blobs ==================== */

.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  width: 200vmax;
  height: 200vmax;
}

.bg-blob--center {
  top: 50%;
  left: 50%;
  margin-top: -100vmax;
  margin-left: -100vmax;
}

.bg-blob--left {
  top: 50%;
  left: 0;
  margin-top: -100vmax;
  margin-left: -50vmax;
}

.bg-blob--right {
  top: 50%;
  right: 0;
  margin-top: -100vmax;
  margin-right: -50vmax;
}

/* ==================== Header ==================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  transition: color 0.5s var(--ease-out-expo);
}

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

/* — Logo: same simple approach as .kizuna-logo-img — */
.header-logo {
  flex-shrink: 0;
}

.header-logo-img {
  width: clamp(110px, 13vw, 170px);
  transition: opacity 0.4s;
}

/* Dark header → show dark, hide light */
.site-header.is-dark { color: var(--text-dark); }
.site-header.is-dark .header-logo-img--dark  { display: block; }
.site-header.is-dark .header-logo-img--light { display: none; }

/* Light header → show light, hide dark */
.site-header.is-light { color: var(--text-light); }
.site-header.is-light .header-logo-img--dark  { display: none; }
.site-header.is-light .header-logo-img--light { display: block; }

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-link {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header-cart {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s;
}

.header-cart:hover {
  background: rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
  .site-header {
    padding: 16px 20px;
  }
}

/* ==================== Scroll Indicator ==================== */

.scroll-indicator {
  position: fixed;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-dark);
  mix-blend-mode: difference;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 60px;
  background: rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--scroll-progress, 0%);
  background: var(--text-dark);
  transition: height 0.1s;
}

.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

@media (max-width: 1024px) {
  .scroll-indicator { display: none; }
}

/* ==================== Banner / Hero ==================== */

.banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: clamp(100px, 15vh, 180px) 0 clamp(60px, 10vw, 155px);
  background-color: #0d1b3e;
}

/* Navy background with scattered squares */
.banner-squares {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.banner-squares .sq {
  position: absolute;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
}

/* Static scattered squares - various sizes */
.banner-squares .sq:nth-child(1)  { width: 60px;  height: 60px;  top: 5%;   left: 8%;   transform: rotate(15deg); }
.banner-squares .sq:nth-child(2)  { width: 25px;  height: 25px;  top: 12%;  left: 25%;  transform: rotate(-8deg); background: rgba(255,255,255,0.04); }
.banner-squares .sq:nth-child(3)  { width: 90px;  height: 90px;  top: 3%;   left: 55%;  transform: rotate(22deg); background: rgba(255,255,255,0.03); }
.banner-squares .sq:nth-child(4)  { width: 18px;  height: 18px;  top: 8%;   left: 72%;  transform: rotate(-12deg); background: rgba(255,255,255,0.08); }
.banner-squares .sq:nth-child(5)  { width: 40px;  height: 40px;  top: 15%;  left: 90%;  transform: rotate(35deg); }
.banner-squares .sq:nth-child(6)  { width: 70px;  height: 70px;  top: 22%;  left: 3%;   transform: rotate(-20deg); background: rgba(255,255,255,0.04); }
.banner-squares .sq:nth-child(7)  { width: 35px;  height: 35px;  top: 30%;  left: 18%;  transform: rotate(10deg); background: rgba(255,255,255,0.07); }
.banner-squares .sq:nth-child(8)  { width: 100px; height: 100px; top: 25%;  left: 42%;  transform: rotate(-5deg);  background: rgba(255,255,255,0.025); }
.banner-squares .sq:nth-child(9)  { width: 20px;  height: 20px;  top: 35%;  left: 65%;  transform: rotate(28deg); background: rgba(255,255,255,0.09); }
.banner-squares .sq:nth-child(10) { width: 50px;  height: 50px;  top: 28%;  left: 82%;  transform: rotate(-15deg); }
.banner-squares .sq:nth-child(11) { width: 30px;  height: 30px;  top: 45%;  left: 5%;   transform: rotate(18deg); background: rgba(255,255,255,0.08); }
.banner-squares .sq:nth-child(12) { width: 80px;  height: 80px;  top: 50%;  left: 30%;  transform: rotate(-25deg); background: rgba(255,255,255,0.03); }
.banner-squares .sq:nth-child(13) { width: 22px;  height: 22px;  top: 55%;  left: 50%;  transform: rotate(40deg); background: rgba(255,255,255,0.07); }
.banner-squares .sq:nth-child(14) { width: 55px;  height: 55px;  top: 48%;  left: 75%;  transform: rotate(-30deg); background: rgba(255,255,255,0.05); }
.banner-squares .sq:nth-child(15) { width: 15px;  height: 15px;  top: 60%;  left: 88%;  transform: rotate(12deg); background: rgba(255,255,255,0.10); }
.banner-squares .sq:nth-child(16) { width: 45px;  height: 45px;  top: 65%;  left: 12%;  transform: rotate(-8deg);  background: rgba(255,255,255,0.05); }
.banner-squares .sq:nth-child(17) { width: 75px;  height: 75px;  top: 70%;  left: 55%;  transform: rotate(20deg);  background: rgba(255,255,255,0.03); }
.banner-squares .sq:nth-child(18) { width: 28px;  height: 28px;  top: 72%;  left: 38%;  transform: rotate(-18deg); background: rgba(255,255,255,0.07); }
.banner-squares .sq:nth-child(19) { width: 65px;  height: 65px;  top: 80%;  left: 78%;  transform: rotate(8deg);   background: rgba(255,255,255,0.04); }
.banner-squares .sq:nth-child(20) { width: 38px;  height: 38px;  top: 85%;  left: 22%;  transform: rotate(-35deg); }
.banner-squares .sq:nth-child(21) { width: 85px;  height: 85px;  top: 88%;  left: 60%;  transform: rotate(25deg);  background: rgba(255,255,255,0.025); }
.banner-squares .sq:nth-child(22) { width: 12px;  height: 12px;  top: 92%;  left: 45%;  transform: rotate(-22deg); background: rgba(255,255,255,0.10); }
.banner-squares .sq:nth-child(23) { width: 48px;  height: 48px;  top: 40%;  left: 95%;  transform: rotate(15deg);  background: rgba(255,255,255,0.04); }
.banner-squares .sq:nth-child(24) { width: 32px;  height: 32px;  top: 18%;  left: 48%;  transform: rotate(-10deg); background: rgba(255,255,255,0.06); }

.particles-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Crossfade Characters */
/* Character Crossfade — LEFT side, large portrait like 転スラLP */
.hero-crossfade {
  position: absolute;
  left: 5%;
  top: 50%;
  transform: translateY(-45%);
  width: clamp(250px, 35vw, 520px);
  z-index: 3;
  pointer-events: none;
}

.crossfade-image {
  width: 100%;
  height: auto;
  opacity: 0;
  animation: crossfade-cycle 18s ease infinite;
  filter: drop-shadow(0 10px 40px rgba(0,0,0,0.08));
}

.crossfade-image:first-child {
  position: relative;
}

.crossfade-image:nth-child(n+2) {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.crossfade-image:nth-child(1) { animation-delay: 0s; }
.crossfade-image:nth-child(2) { animation-delay: 6s; }
.crossfade-image:nth-child(3) { animation-delay: 12s; }

@keyframes crossfade-cycle {
  0%   { opacity: 0; }
  5%   { opacity: 1; }
  28%  { opacity: 1; }
  33%  { opacity: 0; }
  100% { opacity: 0; }
}

/* Banner Content */
.banner-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

/* Single hero image layout */
.hero-single-image {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-full-img {
  width: auto;
  height: auto;
  max-width: 90%;
  max-height: 75vh;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 10px 40px rgba(0, 0, 0, 0.2));
}

.banner-row {
  display: flex;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  gap: 0;
}

.banner-col-left {
  flex: 0 0 42%;
  max-width: 42%;
  overflow: visible;
}

.hero-character-showcase {
  overflow: visible;
}

.banner-col-right {
  flex: 0 0 58%;
  max-width: 58%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-title-block {
  text-align: left;
}

/* When logos are stacked (no text), center the block */
/* Hero collab SVG logo */
.hero-logo-centered {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero-collab-svg {
  width: clamp(300px, 36vw, 560px);
  height: auto;
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.06));
}

/* Dark background variant — logo already white-knocked, no card needed */
.hero-collab-svg--on-dark {
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.3));
}

/* Hero Character Showcase (LEFT side) */
.hero-character-showcase {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0 20px;
  overflow: visible;
}

.hero-character-img {
  width: clamp(320px, 40vw, 620px);
  max-width: none;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.15));
  transition: transform 0.6s var(--ease-out-expo);
}

.hero-character-img:hover {
  transform: scale(1.03) translateY(-5px);
}

/* Collab Logos in hero: ASAP × KizunaAI */
.banner-collab-logos {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 20px);
  margin-bottom: 20px;
}

.collab-logo {
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.06));
}

.collab-logo--asap {
  width: clamp(100px, 13vw, 180px);
}

.collab-logo--kizuna {
  width: clamp(90px, 11vw, 160px);
}

/* Enlarged collab logos variant (転スラLP style) */
.banner-collab-logos--large {
  gap: clamp(14px, 2vw, 28px);
  margin-bottom: 28px;
}

.banner-collab-logos--large .collab-logo--asap {
  width: clamp(140px, 18vw, 260px);
}

.banner-collab-logos--large .collab-logo--kizuna {
  width: clamp(120px, 15vw, 220px);
}

.banner-collab-logos--large .collab-cross {
  font-size: clamp(26px, 3.2vw, 44px);
}

/* Hero Stacked Logos: vertical layout, no text */
.banner-collab-logos--hero-stacked {
  flex-direction: column;
  align-items: center;
  gap: clamp(4px, 0.8vw, 12px);
  margin-bottom: 0;
}

.banner-collab-logos--hero-stacked .collab-logo--asap {
  width: clamp(200px, 24vw, 360px);
}

.banner-collab-logos--hero-stacked .collab-logo--kizuna {
  width: clamp(180px, 22vw, 320px);
}

.banner-collab-logos--hero-stacked .collab-cross {
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 300;
  opacity: 0.5;
}

.collab-cross {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 36px);
  font-weight: 800;
  color: var(--text-dark);
  opacity: 0.35;
  line-height: 1;
  flex-shrink: 0;
}

/* Sales Note in hero */
.banner-sales-note {
  font-family: var(--font-body);
  font-size: clamp(11px, 1.2vw, 14px);
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 8px;
}

.banner-collab-tag {
  font-family: var(--font-heading-jp);
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 900;
  color: var(--text-dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.banner-cross {
  font-family: var(--font-display);
  font-size: 0.8em;
  opacity: 0.4;
}

.banner-headline {
  margin-bottom: 24px;
}

.headline-sub {
  display: block;
  font-family: var(--font-heading-jp);
  font-size: clamp(26px, 3.8vw, 48px);
  font-weight: 900;
  line-height: 1.4;
  color: var(--text-dark);
}

.banner-release {
  font-family: var(--font-heading-jp);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--product-color-1);
  margin-bottom: 8px;
}

.release-day {
  font-size: 0.85em;
}

.banner-sales-info {
  font-family: var(--font-heading-jp);
  font-size: clamp(14px, 1.6vw, 19px);
  font-weight: 800;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 991px) {
  .banner {
    height: 100vh;
    height: 100svh;
    max-height: 100svh;
    padding: 0;
    display: flex;
    align-items: center;
    overflow: hidden;
    box-sizing: border-box;
  }

  .banner > .banner-content {
    width: 100%;
    height: 100%;
    padding: 0;
    display: flex;
    align-items: center;
  }

  .hero-single-image {
    padding: 0 8px;
  }

  .hero-full-img {
    max-width: 100%;
    max-height: 80svh;
  }

  .banner-release {
    margin-bottom: 4px;
  }
}

@media (max-width: 480px) {
  .hero-crossfade {
    width: 60vw;
    opacity: 0.18;
  }
}

/* ==================== Can Introduction Section (転スラLP Style) ==================== */

.can-intro-section {
  background: var(--bg-dark, #0a0a2e);
  padding: clamp(80px, 10vw, 140px) 0;
  overflow: hidden;
}

.can-intro-row {
  display: flex;
  align-items: center;
  gap: clamp(40px, 6vw, 100px);
}

.can-intro-col-left {
  flex: 0 0 42%;
  max-width: 42%;
  display: flex;
  justify-content: center;
}

.can-intro-img {
  width: clamp(200px, 26vw, 400px);
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.4));
  transition: transform 0.6s var(--ease-out-expo);
}

.can-intro-img:hover {
  transform: scale(1.05) translateY(-8px);
}

.can-intro-col-right {
  flex: 1;
}

.can-intro-collab-label {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.6vw, 20px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.can-intro-heading {
  font-family: var(--font-heading-jp);
  font-size: clamp(22px, 2.8vw, 38px);
  font-weight: 900;
  line-height: 1.5;
  color: #fff;
  margin-bottom: clamp(16px, 2vw, 28px);
}

.can-intro-date {
  font-family: var(--font-heading-jp);
  font-size: clamp(20px, 2.4vw, 34px);
  font-weight: 900;
  color: var(--product-color-1);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.can-intro-date span {
  font-size: 0.85em;
}

.can-intro-sales {
  font-family: var(--font-heading-jp);
  font-size: clamp(13px, 1.4vw, 18px);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-bottom: 6px;
}

.can-intro-note {
  font-family: var(--font-body);
  font-size: clamp(10px, 1vw, 13px);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .can-intro-row {
    flex-direction: column;
    text-align: center;
    gap: clamp(24px, 4vw, 40px);
  }

  .can-intro-col-left {
    flex: none;
    max-width: 100%;
  }

  .can-intro-img {
    width: clamp(180px, 45vw, 280px);
  }

  .can-intro-heading {
    font-size: clamp(22px, 5.5vw, 36px);
  }

  .can-intro-date {
    font-size: clamp(20px, 5vw, 32px);
  }

  .can-intro-sales {
    font-size: clamp(13px, 3.4vw, 18px);
  }
}

/* ==================== Product Sections ==================== */

.product-section {
  position: relative;
  padding: var(--section-padding) 0;
  overflow: hidden;
  transition: background-color 0.6s ease-out;
  background-color: var(--bg-1);
}

.product-section[data-member-color] {
  background-color: #ffffff;
  transition: background-color 0.6s ease;
}

/* Per-member background colors with light tint */
#product-1 {
  background: linear-gradient(135deg, rgba(58, 123, 213, 0.08) 0%, var(--bg-1) 100%);
}

#product-2 {
  background: linear-gradient(135deg, rgba(123, 63, 160, 0.08) 0%, var(--bg-1) 100%);
}

#product-3 {
  background: linear-gradient(135deg, rgba(232, 124, 30, 0.08) 0%, var(--bg-1) 100%);
}

#product-4 {
  background: linear-gradient(135deg, rgba(77, 184, 214, 0.08) 0%, var(--bg-1) 100%);
}

#product-5 {
  background: linear-gradient(135deg, rgba(232, 75, 138, 0.08) 0%, var(--bg-1) 100%);
}

#product-6 {
  background: linear-gradient(135deg, rgba(212, 160, 23, 0.08) 0%, var(--bg-1) 100%);
}

#product-7 {
  background: linear-gradient(135deg, rgba(46, 166, 106, 0.08) 0%, var(--bg-1) 100%);
}

#product-8 {
  background: linear-gradient(135deg, rgba(217, 64, 88, 0.08) 0%, var(--bg-1) 100%);
}

.product-card {
  position: relative;
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 5vw, 60px);
  align-items: center;
}

.product-card--reverse {
  direction: rtl;
}

.product-card--reverse > * {
  direction: ltr;
}

/* Floating White Circles (animated via GSAP) */
.product-floating-circles {
  position: absolute;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  /* no overflow:hidden — let circles bleed naturally */
}

.float-circle {
  position: absolute;
  width: var(--size, 200px);
  height: var(--size, 200px);
  left: var(--x, 50%);
  top: var(--y, 50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  filter: blur(2px);
  will-change: transform;
}

.product-cover {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-cover img {
  width: 70%;
  max-width: 350px;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.12));
  transition: transform 0.6s var(--ease-out-expo);
}

.product-cover img:hover {
  transform: scale(1.05) translateY(-8px);
}

.product-info {
  position: relative;
  z-index: 1;
}

.product-series-tag {
  font-family: var(--font-display);
  font-size: clamp(12px, 1.3vw, 15px);
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.product-name {
  font-family: var(--font-heading-jp);
  font-size: clamp(40px, 6vw, 90px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: 0.02em;
  margin: 0.1em 0;
  white-space: nowrap;
}

.product-lead {
  font-family: var(--font-heading-jp);
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.product-description {
  font-family: var(--font-heading-jp);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 800;
  line-height: 2;
  max-width: 500px;
  margin-bottom: 16px;
}

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.product-specs li {
  font-size: clamp(14px, 1.4vw, 17px);
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.product-specs li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.4;
}

.product-trademark {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .product-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .product-card--reverse {
    direction: ltr;
  }

  .product-name {
    font-size: clamp(32px, 10vw, 60px);
  }

  .product-description {
    max-width: 100%;
  }

  .product-cover img {
    width: 55%;
  }
}

/* ==================== Carton Section ==================== */

.product-section--carton {
  padding: clamp(60px, 8vw, 120px) 0;
}

.carton-showcase {
  text-align: center;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--product-color-1), var(--product-color-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 19px);
  color: var(--text-muted);
  margin-top: 8px;
  margin-bottom: clamp(30px, 5vw, 60px);
}

.carton-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 40px);
  max-width: 900px;
  margin: 0 auto;
}

.carton-item img {
  width: 100%;
  border-radius: 12px;
  filter: drop-shadow(0 15px 30px rgba(0,0,0,0.1));
}

.carton-label {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 800;
  margin-top: 12px;
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .carton-grid {
    grid-template-columns: 1fr;
  }
}

/* ==================== Campaign Sections ==================== */

.campaign-section {
  position: relative;
  padding: var(--section-padding) 0;
}

.campaign-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 80px);
}

.campaign-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 20px;
  border: 1px solid var(--text-dark);
  border-radius: 100px;
  margin-bottom: 16px;
}

.campaign-badge--accent {
  border-color: var(--product-color-2);
  color: var(--product-color-2);
}

.campaign-title-text {
  font-family: var(--font-heading-jp);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 12px;
}

.campaign-subtitle {
  font-size: clamp(15px, 1.6vw, 19px);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 8px;
}

.campaign-subtitle--left {
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.campaign-period-text {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 600;
  color: var(--text-muted);
}

/* ===== Full-Bleed Goods Display (転スラLP style) ===== */
.campaign-goods-fullbleed {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 80px);
}

.goods-fullbleed-item {
  text-align: center;
}

.goods-fullbleed-img {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 16px;
  padding: clamp(30px, 5vw, 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(280px, 40vw, 500px);
  margin-bottom: 20px;
}

.goods-fullbleed-img img {
  max-height: clamp(240px, 35vw, 440px);
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.08));
  transition: transform 0.5s var(--ease-out-expo);
}

.goods-fullbleed-item:hover .goods-fullbleed-img img {
  transform: scale(1.04);
}

.goods-fullbleed-caption {
  padding: 0 20px;
}

.goods-fullbleed-caption h3 {
  font-family: var(--font-heading-jp);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  margin-bottom: 6px;
}

.goods-fullbleed-caption p {
  font-size: clamp(14px, 1.5vw, 18px);
  color: var(--text-muted);
  line-height: 1.6;
}

.goods-condition {
  font-weight: 800;
  color: var(--product-color-1) !important;
  margin-top: 4px;
}

.goods-condition-sub {
  display: block;
  font-size: clamp(13px, 1.3vw, 16px);
  font-weight: 600;
  color: var(--text-muted) !important;
  margin-top: 2px;
}

/* No-background variant for already-transparent product photos */
.goods-fullbleed-img--nobg {
  background: none;
  padding: clamp(16px, 3vw, 40px);
  min-height: auto;
}

/* Side-by-side images in fullbleed layout (e.g., PPIH Must-Buy dual goods) */
.goods-fullbleed-img--row {
  flex-direction: row;
  gap: clamp(8px, 1.5vw, 20px);
}

.goods-fullbleed-img--row img {
  max-height: clamp(160px, 22vw, 300px);
  flex: 0 1 auto;
}

/* Placeholder for images not yet available */
.goods-fullbleed-img--placeholder {
  background: rgba(255, 255, 255, 0.35);
  border: 2px dashed rgba(0, 0, 0, 0.12);
  flex-direction: column;
}

.goods-fullbleed-img--placeholder .placeholder-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: rgba(0, 0, 0, 0.25);
}

.goods-fullbleed-img--placeholder .placeholder-text {
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.05em;
}

/* Grid styles for goods images */
.goods-grid-4x2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 2vw, 24px) !important;
  background: rgba(255, 255, 255, 0.5) !important;
  border-radius: 16px !important;
  padding: clamp(20px, 3vw, 40px) !important;
  min-height: auto !important;
  align-items: end;
}

.goods-grid-4x2 img {
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.08));
  transition: transform 0.4s var(--ease-out-expo);
}

.goods-grid-4x2 img:hover {
  transform: scale(1.03);
}

/* Keychain variant - uniform height alignment */
.goods-grid-4x2--keychain {
  align-items: stretch;
}
.goods-grid-4x2--keychain img {
  aspect-ratio: 1 / 1.78;
  height: 100%;
  width: 100%;
  object-fit: contain;
}

.goods-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 3vw, 32px) !important;
  background: rgba(255, 255, 255, 0.5) !important;
  border-radius: 16px !important;
  padding: clamp(24px, 4vw, 48px) !important;
  min-height: auto !important;
  align-items: center;
}

.goods-grid-2 img {
  width: 100%;
  height: auto;
  max-height: clamp(200px, 30vw, 380px);
  object-fit: contain;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.08));
  transition: transform 0.4s var(--ease-out-expo);
}

.goods-grid-2 img:hover {
  transform: scale(1.02);
}

/* Annotation for goods images */
.goods-image-note {
  font-size: 12px;
  color: #999;
  margin-bottom: 12px;
}

/* T-shirt member cards — 2-column grid layout */
.tshirt-members-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 600px) {
  .tshirt-members-grid {
    grid-template-columns: 1fr;
  }
}

.tshirt-member-card {
  background: #f8f9fa;
  border-radius: 16px;
  padding: clamp(20px, 2.5vw, 32px);
}

.tshirt-member-name {
  font-family: var(--font-heading-jp);
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 800;
  margin-bottom: 16px;
  text-align: center;
}

.tshirt-design-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.tshirt-design-row img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

.tshirt-set-photo {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin-top: 8px;
}

/* ── Wearing section ── */
.wearing-section {
  margin-top: clamp(40px, 5vw, 64px);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.tshirt-wearing-subheading {
  font-family: var(--font-heading-jp);
  font-size: clamp(20px, 2.5vw, 30px);
  font-weight: 800;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: clamp(24px, 3vw, 40px);
}

/* Each size group */
.wearing-size-group {
  margin-bottom: clamp(28px, 3.5vw, 48px);
}

.wearing-size-label {
  font-family: var(--font-heading-jp);
  font-size: clamp(15px, 1.8vw, 20px);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  text-align: center;
}

.wearing-size-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(10px, 1.5vw, 16px);
}

@media (max-width: 600px) {
  .wearing-size-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.wearing-image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.wearing-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  transition: transform 0.4s var(--ease-out-expo);
}

.wearing-image-wrapper:hover img {
  transform: scale(1.03);
}

.wearing-label {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0, 0, 0, 0.65);
  color: white;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-body);
}

/* T-shirt size chart */
.tshirt-size-chart {
  margin-top: clamp(40px, 5vw, 64px);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.size-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: clamp(13px, 1.5vw, 16px);
  text-align: center;
}

.size-table thead th {
  background: var(--text-dark, #1a1a2e);
  color: white;
  padding: 10px 8px;
  font-weight: 700;
}

.size-table thead th:first-child {
  background: transparent;
}

.size-table tbody td {
  padding: 10px 8px;
  border-bottom: 1px solid #e0e0e0;
}

.size-table tbody td:first-child {
  font-weight: 700;
  background: #f4f4f8;
  text-align: center;
}

.size-table tbody tr:last-child td {
  border-bottom: none;
}

@media (max-width: 600px) {
  .goods-fullbleed-img--row {
    flex-direction: column;
    gap: 20px;
  }
  .goods-fullbleed-img--row img {
    max-height: clamp(180px, 45vw, 280px);
  }

  .goods-grid-4x2 {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(10px, 2vw, 16px) !important;
    padding: clamp(16px, 2.5vw, 24px) !important;
  }

  .goods-grid-2 {
    grid-template-columns: 1fr;
    gap: clamp(12px, 2vw, 20px) !important;
    padding: clamp(16px, 2.5vw, 32px) !important;
  }

  .wearing-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(12px, 2vw, 16px);
  }
}

/* Legacy prize cards (kept for other campaign sections) */
.campaign-prizes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 40px);
  max-width: 900px;
  margin: 0 auto;
}

.prize-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s;
}

.prize-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.prize-img {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.5);
  min-height: 200px;
}

.prize-img img {
  max-height: 200px;
  width: auto;
  object-fit: contain;
}

.prize-info {
  padding: 20px 24px 24px;
}

.prize-info h3 {
  font-family: var(--font-heading-jp);
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 900;
  margin-bottom: 6px;
}

.prize-size {
  font-size: clamp(13px, 1.3vw, 16px);
  color: var(--text-muted);
  margin-bottom: 4px;
}

.prize-detail {
  font-size: clamp(14px, 1.4vw, 17px);
  color: var(--product-color-1);
  font-weight: 600;
}

@media (max-width: 600px) {
  .campaign-prizes {
    grid-template-columns: 1fr;
  }
}

/* Must-Buy Grid */
.mustbuy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 40px);
  max-width: 900px;
  margin: 0 auto;
}

.mustbuy-item {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: transform 0.4s var(--ease-out-expo);
}

.mustbuy-item:hover {
  transform: translateY(-4px);
}

.mustbuy-img-row {
  display: flex;
  gap: 12px;
  padding: 24px;
  justify-content: center;
  background: rgba(255, 255, 255, 0.5);
}

.mustbuy-img-row img {
  max-height: 160px;
  width: auto;
  object-fit: contain;
}

.mustbuy-info {
  padding: 20px 24px 24px;
}

.mustbuy-info h3 {
  font-family: var(--font-heading-jp);
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 900;
  margin-bottom: 6px;
}

.mustbuy-info p {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--text-muted);
  line-height: 1.6;
}

.text-muted {
  color: var(--text-muted);
  font-weight: 600;
}

@media (max-width: 600px) {
  .mustbuy-grid {
    grid-template-columns: 1fr;
  }
}

/* Lottery Items (Receipt Campaign) */
.lottery-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 32px);
  max-width: 900px;
  margin: 0 auto clamp(40px, 6vw, 80px);
}

.lottery-item {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  text-align: center;
  transition: transform 0.4s var(--ease-out-expo);
}

.lottery-item:hover {
  transform: translateY(-4px);
}

.lottery-img {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  background: rgba(255, 255, 255, 0.5);
}

.lottery-img img {
  max-height: 160px;
  width: auto;
  object-fit: contain;
}

.lottery-info {
  padding: 16px 20px 24px;
}

.lottery-condition {
  font-size: clamp(12px, 1.2vw, 15px);
  color: var(--text-muted);
  margin-bottom: 4px;
}

.lottery-info h3 {
  font-family: var(--font-heading-jp);
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 900;
  margin-bottom: 6px;
}

.lottery-winners {
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--product-color-2);
}

.lottery-winners strong {
  font-weight: 800;
}

/* How-to Section */
.lottery-howto,
.x-howto {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.lottery-howto h3,
.x-howto h3 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  margin-bottom: 20px;
}

.lottery-howto ol,
.x-howto ol {
  text-align: left;
  max-width: 400px;
  margin: 0 auto 24px;
  counter-reset: steps;
}

.lottery-howto ol li,
.x-howto ol li {
  counter-increment: steps;
  padding: 8px 0 8px 40px;
  position: relative;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.6;
}

.lottery-howto ol li::before,
.x-howto ol li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 6px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--product-color-1), var(--product-color-2));
  color: #fff;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 600px) {
  .lottery-items {
    grid-template-columns: 1fr;
  }
}

/* LINE Button */
.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: #06c755;
  color: #fff;
  font-weight: 800;
  font-size: clamp(16px, 1.6vw, 19px);
  border-radius: 100px;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 16px rgba(6, 199, 85, 0.3);
}

.btn-line:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.4);
}

.btn-line--large {
  padding: 18px 40px;
  font-size: clamp(18px, 1.8vw, 24px);
}

/* X Campaign Prizes */
.x-prizes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 32px);
  max-width: 900px;
  margin: 0 auto clamp(40px, 6vw, 80px);
}

.x-prize-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  text-align: center;
  position: relative;
  transition: transform 0.4s var(--ease-out-expo);
}

.x-prize-card:hover {
  transform: translateY(-6px);
}

.x-prize-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 14px;
  background: linear-gradient(135deg, var(--product-color-1), var(--product-color-2));
  color: #fff;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  border-radius: 100px;
  z-index: 2;
}

.x-prize-img {
  padding: 30px 20px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  background: rgba(255, 255, 255, 0.5);
}

.x-prize-img img {
  max-height: 150px;
  width: auto;
  object-fit: contain;
}

.x-prize-img--placeholder {
  color: var(--text-muted);
}

.placeholder-icon {
  opacity: 0.3;
}

.x-prize-info {
  padding: 16px 20px 24px;
}

.x-prize-info h3 {
  font-family: var(--font-heading-jp);
  font-size: clamp(14px, 1.4vw, 17px);
  font-weight: 900;
  margin-bottom: 4px;
}

.x-prize-winners {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  background: linear-gradient(135deg, var(--product-color-1), var(--product-color-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.x-bonus {
  display: inline-block;
  margin-top: 16px;
  padding: 8px 24px;
  background: linear-gradient(135deg, var(--product-color-2), #ff6b9d);
  color: #fff;
  font-weight: 800;
  font-size: clamp(15px, 1.5vw, 19px);
  border-radius: 100px;
}

@media (max-width: 600px) {
  .x-prizes {
    grid-template-columns: 1fr;
  }
}

/* LINE Prize (LINE Campaign) */
.line-prize {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 3vw, 40px);
  max-width: 700px;
  margin: 0 auto clamp(30px, 4vw, 60px);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: clamp(24px, 3vw, 40px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.line-prize-img {
  flex: 0 0 60%;
}

.line-prize-img img {
  max-width: 100%;
  margin: 0 auto;
}

.line-prize-img.goods-grid-4x2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.goods-image-sublabel {
  font-family: var(--font-heading-jp);
  font-size: clamp(13px, 1.4vw, 16px);
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  margin: 16px 0 8px;
  letter-spacing: 0.05em;
}

.line-prize-info h3 {
  font-family: var(--font-heading-jp);
  font-size: clamp(19px, 2vw, 26px);
  font-weight: 900;
  margin-bottom: 8px;
}

.line-cta {
  text-align: center;
}

@media (max-width: 480px) {
  .line-prize {
    flex-direction: column;
    text-align: center;
  }
}

/* ==================== Detail Section ==================== */

.detail-section {
  padding: clamp(40px, 6vw, 80px) 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.detail-heading {
  font-family: var(--font-heading-jp);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 900;
  margin-bottom: clamp(20px, 3vw, 40px);
}

.detail-content {
  max-width: var(--content-width);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: clamp(16px, 2vw, 24px);
}

.detail-label {
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 600;
  color: var(--text-dark);
}

.detail-value {
  font-size: clamp(14px, 1.4vw, 17px);
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 4px;
}

/* ==================== About Section ==================== */

.about-section {
  padding: var(--section-padding) 0;
  overflow: hidden;
}

/* Two-column layout: left text, right large character */
.about-layout {
  display: flex;
  align-items: center;
  gap: clamp(40px, 6vw, 80px);
  max-width: var(--content-width);
  margin: 0 auto;
}

.about-text-side {
  flex: 1 1 45%;
  min-width: 0;
}

.about-label {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.4vw, 17px);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.about-character-side {
  flex: 1 1 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-character-side img {
  width: 100%;
  max-width: 480px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 16px 48px rgba(0, 0, 0, 0.12));
  transition: transform 0.6s var(--ease-out-expo);
}

.about-character-side img:hover {
  transform: scale(1.03);
}

.about-name {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.2;
}

.about-name-jp {
  font-family: var(--font-body);
  font-size: 0.45em;
  font-weight: 600;
  color: var(--text-muted);
  display: inline-block;
  margin-left: 4px;
}

.about-bio {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 2;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-bio:last-of-type {
  margin-bottom: 28px;
}

/* Stacked variant — group photo large below, then member grid */
.about-layout--stacked {
  flex-direction: column;
  text-align: center;
}

.about-text-side--centered {
  flex: none;
  max-width: 700px;
  margin: 0 auto;
}

.about-group-photo {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.about-group-photo img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  filter: drop-shadow(0 16px 48px rgba(0, 0, 0, 0.12));
  transition: transform 0.6s var(--ease-out-expo);
}

.about-group-photo img:hover {
  transform: scale(1.02);
}

.about-members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 24px);
  max-width: 700px;
  margin: clamp(30px, 4vw, 50px) auto 0;
}

.about-members-grid .member-item {
  text-align: center;
}

.about-members-grid .member-item img {
  width: 100%;
  border-radius: 10px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out-expo);
}

.about-members-grid .member-item img:hover {
  transform: scale(1.05);
}

.about-members-grid .member-name {
  font-family: var(--font-heading-jp);
  font-size: clamp(12px, 1.2vw, 15px);
  font-weight: 600;
  margin-top: 8px;
  color: var(--text-dark);
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.about-link {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  padding: 8px 20px;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 100px;
  transition: all 0.3s;
}

.about-link:hover {
  background: var(--text-dark);
  color: var(--text-light);
  border-color: var(--text-dark);
}

@media (max-width: 768px) {
  .about-layout {
    flex-direction: column;
    text-align: center;
  }

  /* Reverse order on mobile: text(3) → group photo(2) → members grid(1) */
  .about-layout--stacked .about-text-side--centered { order: 1; }
  .about-layout--stacked .about-group-photo { order: 2; }
  .about-layout--stacked .about-members-grid { order: 3; }

  .about-character-side img {
    max-width: 320px;
  }

  .about-group-photo {
    max-width: 100%;
  }

  .about-group-photo img {
    border-radius: 12px;
  }

  .about-members-grid {
    max-width: 100%;
  }

  .about-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .about-character-side img {
    max-width: 260px;
  }

  .about-members-grid {
    gap: 10px;
  }

  .about-members-grid .member-name {
    font-size: 11px;
  }
}

/* ==================== Sales Section ==================== */

.sales-section {
  padding: clamp(60px, 8vw, 120px) 0;
}

.sales-card {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.sales-text {
  font-size: clamp(17px, 1.8vw, 22px);
  line-height: 1.8;
  margin: 20px 0 12px;
}

.sales-note {
  font-size: clamp(13px, 1.3vw, 16px);
  color: var(--text-muted);
}

/* ==================== Vending Map Button ==================== */

.vending-map-wrap {
  margin-top: clamp(30px, 4vw, 60px);
}

.vending-map-embed {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.vending-map-embed iframe {
  display: block;
}

.btn-vending-map {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: #3b82f6;
  color: #fff;
  border-radius: 50px;
  font-family: var(--font-heading-jp);
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 700;
  text-decoration: none;
  transition: background 0.3s, transform 0.3s;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-vending-map:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* ==================== Terms / 応募規約 ==================== */

/* ---- Terms / 応募規約 (kizuna-ai style) ---- */
.terms-section {
  position: relative;
  z-index: 2;
  background: #1a1a2e;
  padding: clamp(60px, 8vw, 120px) 0;
}

.terms-block {
  max-width: 960px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  padding: clamp(28px, 4vw, 48px) clamp(20px, 4vw, 48px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  height: 500px;
  overflow: auto;
}

.terms-main-title {
  font-family: var(--font-heading-jp);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 800;
  color: #1a1a2e;
  text-align: center;
  margin: 0 0 clamp(32px, 4vw, 48px);
}

.terms-campaign {
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid #e0e0e0;
}
.terms-campaign:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.terms-campaign-name {
  font-family: var(--font-heading-jp);
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 20px;
  line-height: 1.7;
}

.terms-heading {
  font-family: var(--font-heading-jp);
  font-size: clamp(13px, 1.3vw, 15px);
  font-weight: 600;
  color: #1a1a2e;
  margin: 28px 0 8px;
}
.terms-heading:first-child {
  margin-top: 0;
}

.terms-text {
  font-size: clamp(12.5px, 1.2vw, 14px);
  font-weight: 400;
  color: #444;
  line-height: 2;
  margin: 0 0 4px;
  white-space: pre-line;
}

.terms-text-list {
  padding-left: 1.5em;
  margin: 0 0 8px;
  font-size: clamp(12.5px, 1.2vw, 14px);
  color: #444;
  line-height: 2;
}
.terms-text-list li {
  margin-bottom: 2px;
}

/* Mobile adjustments */
@media (max-width: 600px) {
  .terms-block {
    border-radius: 8px;
    height: 400px;
  }
}

/* ---- Contact / お問い合わせ ---- */
.contact-section {
  position: relative;
  z-index: 2;
  background: #1a1a2e;
  padding: clamp(60px, 8vw, 120px) 0 clamp(60px, 8vw, 100px);
}

.contact-block {
  max-width: 800px;
  margin: 0 auto;
  background: #f8f9fa;
  border-radius: 16px;
  padding: clamp(28px, 3.5vw, 40px);
}

.contact-title {
  font-family: var(--font-heading-jp);
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 700;
  color: #1a1a2e;
  text-align: center;
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.contact-body {
  font-size: clamp(12.5px, 1.2vw, 14px);
  color: #444;
  line-height: 2;
}

.contact-body .contact-label {
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 4px;
}

.contact-body .contact-email {
  font-weight: 700;
  color: #1a1a2e;
  font-size: clamp(14px, 1.4vw, 16px);
}

.contact-body p {
  margin: 0 0 4px;
}

/* ==================== Footer ==================== */

.site-footer {
  position: relative;
  z-index: 2;
  background: var(--text-dark);
  color: var(--text-light);
  padding: clamp(40px, 6vw, 80px) 0 clamp(20px, 3vw, 40px);
}

/* ==================== Catchphrase Section (覚醒せよ) — Scroll Reveal ==================== */

.catchphrase-section {
  position: relative;
  height: 100vh;
  clip-path: inset(0);     /* creates stacking context that clips fixed child */
}

.catchphrase-bg {
  position: fixed;
  inset: 0;
  background-size: cover;
  background-position: center;
}

/* Mobile: towel grid 2 columns for better visibility */
@media (max-width: 768px) {
  .goods-fullbleed-img--grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
}

/* Mobile: disable fixed reveal (causes double-image), use simple scroll instead */
@media (max-width: 768px) {
  .catchphrase-section {
    height: auto;
    clip-path: none;
  }
  .catchphrase-bg {
    position: relative;
    inset: auto;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-size: cover;
    background-position: center;
  }
}

.footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

.footer-logo {
  margin-bottom: 24px;
}

.footer-logo img {
  margin: 0 auto;
  filter: brightness(100) invert(0);
  opacity: 0.8;
}

.footer-sns {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.sns-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}

.sns-link:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-copyright {
  font-size: 14px;
  opacity: 0.5;
}

/* ==================== Scroll Animation Utilities ==================== */

[data-animate] {
  opacity: 0;
}

[data-animate="fade-up"] {
  transform: translateY(40px);
}

[data-animate="fade-in"] {
  /* opacity only */
}

[data-animate="scale-in"] {
  transform: scale(0.92);
}

[data-animate="slide-left"] {
  transform: translateX(60px);
}

[data-animate="slide-right"] {
  transform: translateX(-60px);
}

/* SP-only line breaks: hidden on desktop, visible on mobile */
br.sp-br { display: none; }

/* ==================== Responsive ==================== */

/* --- Tablet / Small Laptop (≤768px) --- */
@media (max-width: 768px) {
  :root {
    --section-padding: clamp(60px, 10vw, 100px);
  }

  /* Prevent single-character orphans on mobile */
  body {
    word-break: auto-phrase;           /* Chrome 119+ Japanese line-break optimization */
    overflow-wrap: anywhere;
    line-break: strict;                /* stricter Japanese line-break rules */
  }

  .headline-sub,
  .product-name,
  .product-lead,
  .product-description,
  .section-title,
  .section-subtitle,
  .banner-sales-info,
  .banner-sales-note,
  .campaign-title-text,
  .campaign-subtitle,
  .about-bio,
  .detail-label,
  .detail-value,
  .goods-fullbleed-caption h3,
  .goods-fullbleed-caption p {
    word-break: auto-phrase;
    overflow-wrap: anywhere;
    text-wrap: pretty;                 /* Safari 17.4+ / Chrome 117+ smarter line-break */
  }

  /* Detail sections: keep Japanese words together (Safari-compatible) */
  .detail-value {
    word-break: keep-all;              /* prevent mid-word breaks in Japanese */
    overflow-wrap: break-word;         /* fallback: break if line still overflows */
    line-break: strict;
    font-size: clamp(13px, 3.4vw, 16px);
  }

  .detail-label {
    font-size: clamp(14px, 3.6vw, 17px);
  }

  /* Campaign subtitle also needs keep-all for Safari */
  .campaign-subtitle {
    word-break: keep-all;
    overflow-wrap: break-word;
    font-size: clamp(13px, 3.4vw, 17px);
  }

  /* Show SP-only line breaks on mobile */
  br.sp-br { display: block; }

  /* Slightly reduce hero text sizes to avoid overflow */
  .headline-sub {
    font-size: clamp(22px, 5.5vw, 36px);
  }

  .banner-release {
    font-size: clamp(20px, 5vw, 32px);
  }

  .banner-sales-info {
    font-size: clamp(13px, 3.5vw, 17px);
  }

  .banner-sales-note {
    font-size: clamp(10px, 2.8vw, 13px);
  }
}

/* --- iPhone Plus / Pro Max range (≤430px) --- */
@media (max-width: 430px) {
  /* Header logo: prevent overflow on smaller screens */
  .header-logo-img {
    width: clamp(90px, 25vw, 120px);
  }

  /* Hero: stacked layout on iPhone */
  .banner {
    min-height: auto;
    padding: clamp(90px, 14vh, 120px) 0 clamp(30px, 5vw, 50px);
  }

  .banner-row {
    padding: 0;
    gap: 0;
  }

  .hero-collab-svg {
    width: 100%;
    max-width: none;
  }

  .hero-character-img {
    width: 100%;
    max-width: none;
    transform: none;
  }

  .banner-col-left {
    margin-left: 0;
  }

  .banner-col-right {
    margin-left: 0;
    padding-left: 0;
  }

  .collab-logo--asap {
    width: clamp(70px, 18vw, 110px);
  }

  .collab-logo--kizuna {
    width: clamp(60px, 16vw, 100px);
  }

  .collab-cross {
    font-size: clamp(14px, 3.5vw, 20px);
  }

  .banner-collab-logos {
    margin-bottom: 6px;
    gap: clamp(4px, 1.5vw, 10px);
  }

  .banner-collab-logos--large .collab-logo--asap {
    width: clamp(100px, 26vw, 160px);
  }

  .banner-collab-logos--large .collab-logo--kizuna {
    width: clamp(85px, 22vw, 140px);
  }

  .banner-collab-logos--large .collab-cross {
    font-size: clamp(18px, 4.5vw, 28px);
  }

  .banner-collab-logos--large {
    margin-bottom: 12px;
  }

  .banner-collab-logos--hero-stacked .collab-logo--asap {
    width: clamp(130px, 34vw, 200px);
  }

  .banner-collab-logos--hero-stacked .collab-logo--kizuna {
    width: clamp(110px, 30vw, 180px);
  }

  .banner-collab-logos--hero-stacked .collab-cross {
    font-size: clamp(26px, 6.5vw, 40px);
    font-weight: 300;
  }

  .banner-collab-logos--hero-stacked {
    gap: clamp(2px, 0.5vw, 8px);
  }

  .banner-collab-tag {
    font-size: clamp(18px, 5vw, 28px);
    gap: 8px;
  }

  .headline-sub {
    font-size: clamp(20px, 5.2vw, 30px);
  }

  .banner-release {
    font-size: clamp(18px, 4.8vw, 28px);
  }

  .banner-sales-info {
    font-size: clamp(12px, 3.2vw, 16px);
  }

  .banner-sales-note {
    font-size: clamp(10px, 2.6vw, 13px);
  }

  /* Product section text */
  .product-name {
    font-size: clamp(28px, 8vw, 48px);
  }

  .product-lead {
    font-size: clamp(15px, 4vw, 19px);
  }

  .product-description {
    font-size: clamp(13px, 3.5vw, 16px);
  }

  .product-specs li {
    font-size: clamp(12px, 3.2vw, 15px);
  }

  /* Section titles */
  .section-title {
    font-size: clamp(30px, 8vw, 52px);
  }

  .section-subtitle {
    font-size: clamp(13px, 3.5vw, 17px);
  }

  /* Campaign sections */
  .campaign-title-text {
    font-size: clamp(22px, 6vw, 36px);
    text-wrap: balance;
  }

  .campaign-subtitle {
    font-size: clamp(13px, 3.5vw, 17px);
    text-wrap: pretty;
  }

  /* Goods fullbleed */
  .goods-fullbleed-caption h3 {
    font-size: clamp(18px, 5vw, 26px);
  }

  .goods-fullbleed-caption p {
    font-size: clamp(12px, 3.2vw, 16px);
  }

  /* About section */
  .about-name {
    font-size: clamp(28px, 7.5vw, 42px);
  }

  .about-bio {
    font-size: clamp(14px, 3.6vw, 17px);
  }

  /* Footer catchphrase — taller aspect for narrower screens */
  .catchphrase-bg {
    aspect-ratio: 4 / 3;
  }

  /* Detail section */
  .detail-heading {
    font-size: clamp(18px, 5vw, 24px);
  }

  .detail-label {
    font-size: clamp(13px, 3.5vw, 17px);
  }

  .detail-value {
    font-size: clamp(12px, 3.2vw, 15px);
  }
}

/* --- iPhone 13 mini / SE range (≤375px) --- */
@media (max-width: 375px) {
  .header-logo-img {
    width: clamp(80px, 22vw, 100px);
  }

  .banner {
    padding: clamp(60px, 12vh, 90px) 0 clamp(16px, 3vw, 30px);
  }

  .hero-collab-svg {
    width: 100%;
    max-width: 100%;
  }

  .hero-character-img {
    width: 100%;
    max-width: none;
    transform: none;
  }

  .banner-col-left {
    margin-left: 0;
  }

  .banner-col-right {
    margin-left: 0;
    padding-left: 0;
  }

  .collab-logo--asap {
    width: clamp(60px, 16vw, 90px);
  }

  .collab-logo--kizuna {
    width: clamp(50px, 14vw, 80px);
  }

  .banner-collab-tag {
    font-size: clamp(16px, 4.5vw, 24px);
    flex-wrap: wrap;
    justify-content: center;
  }

  .headline-sub {
    font-size: clamp(18px, 5vw, 26px);
  }

  .banner-release {
    font-size: clamp(16px, 4.5vw, 24px);
  }

  .product-name {
    font-size: clamp(26px, 8vw, 40px);
  }

  .campaign-title-text {
    font-size: clamp(20px, 5.5vw, 30px);
  }

  .about-name {
    font-size: clamp(24px, 7vw, 36px);
  }

  /* Tighter padding */
  .banner-row {
    padding: 0;
  }

  .container {
    padding: 0 16px;
  }

  .goods-fullbleed-img {
    padding: clamp(20px, 4vw, 40px);
  }
}