/* ============================================================
   ONE VERSE どんないろ？ 特設サイト
   Palette: 深い夜紫 / マゼンタピンク / 光る金色 / 竜のオレンジ
============================================================ */

:root{
  --night-deep: #1a0f30;
  --night: #2b1650;
  --night-2: #3a1c62;
  --purple: #6b3aa8;
  --magenta: #ff5da2;
  --pink: #ff8fc7;
  --gold: #ffcf5c;
  --gold-deep: #ffb23e;
  --orange: #ff8a4c;
  --cream: #fff6ea;
  --ink: #241333;
  --white: #fffaf3;

  --font-display: 'Baloo 2', 'Zen Maru Gothic', sans-serif;
  --font-body: 'Zen Maru Gothic', sans-serif;

  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow-glow: 0 10px 40px rgba(255, 93, 162, 0.35);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: var(--font-body);
  background: var(--night-deep);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.9;
}

img{ max-width: 100%; display: block; }
a{ text-decoration: none; color: inherit; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4{ font-family: var(--font-display); margin: 0; }

/* ---------------- Starfield background ---------------- */
#starfield{
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(255,93,162,0.18), transparent 55%),
    radial-gradient(ellipse at 80% 0%, rgba(255,207,92,0.12), transparent 50%),
    linear-gradient(180deg, var(--night-deep), var(--night) 40%, var(--night-2) 100%);
  pointer-events: none;
}
.star{
  position: absolute;
  border-radius: 50%;
  background: #fff;
  opacity: .8;
  animation: twinkle ease-in-out infinite;
}
@keyframes twinkle{
  0%,100%{ opacity: .15; transform: scale(0.8); }
  50%{ opacity: 1; transform: scale(1.2); }
}

/* ---------------- Header / Nav ---------------- */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(26,15,48,0.92), rgba(26,15,48,0.55));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-wrap{
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo{
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--gold);
  margin-right: auto;
}
.logo i{ color: var(--pink); }
.nav-links{
  display: flex;
  gap: 28px;
  font-weight: 500;
  font-size: .95rem;
}
.nav-links a{
  opacity: .85;
  transition: opacity .2s, color .2s;
}
.nav-links a:hover{ opacity: 1; color: var(--gold); }
.nav-cta{
  background: linear-gradient(135deg, var(--magenta), var(--gold-deep));
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .9rem;
  white-space: nowrap;
  box-shadow: var(--shadow-glow);
  transition: transform .2s;
}
.nav-cta:hover{ transform: translateY(-2px); }
.nav-toggle{
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.3rem;
  cursor: pointer;
}

@media (max-width: 860px){
  .nav-links{ display: none; }
  .nav-cta{ display: none; }
  .nav-toggle{ display: block; }
}

/* ---------------- Hero ---------------- */
.hero{
  position: relative;
  min-height: min(100vh, 900px);
  display: flex;
  align-items: center;
  padding: 130px 24px 80px;
  overflow: hidden;
}
.hero-glow{
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .5;
  pointer-events: none;
}
.hero-glow--pink{
  width: 480px; height: 480px;
  background: var(--magenta);
  top: -120px; left: -140px;
}
.hero-glow--gold{
  width: 420px; height: 420px;
  background: var(--gold);
  bottom: -160px; right: -120px;
  opacity: .3;
}
.hero-inner{
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  width: 100%;
}
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 700;
  color: var(--gold);
  margin: 0 0 20px;
}
.hero-title{
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 22px;
}
.hero-title-en{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  letter-spacing: .02em;
  background: linear-gradient(90deg, #ff8fc7, #ffcf5c, #ff8a4c, #ff5da2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.05;
}
.hero-title-jp{
  font-family: var(--font-body);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  color: var(--white);
}
.hero-copy{
  font-size: 1.05rem;
  color: rgba(255,250,243,0.88);
  margin-bottom: 22px;
}
.hero-copy strong{ color: var(--gold); }
.hero-author{
  font-size: 1rem;
  margin-bottom: 30px;
  color: rgba(255,250,243,0.8);
}
.hero-author span{
  font-weight: 700;
  color: var(--pink);
  margin-left: 4px;
}
.hero-buttons{
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  font-family: var(--font-body);
  border: none;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary{
  background: linear-gradient(135deg, var(--magenta), var(--gold-deep));
  color: var(--ink);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover{ transform: translateY(-3px); box-shadow: 0 14px 30px rgba(255,93,162,.45); }
.btn-ghost{
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
}
.btn-ghost:hover{ background: rgba(255,255,255,0.14); transform: translateY(-3px); }
.btn-lg{ padding: 16px 34px; font-size: 1.05rem; }

.hero-book{
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-book-frame{
  position: relative;
  width: min(360px, 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: rotate(2deg);
  box-shadow: 0 30px 70px rgba(0,0,0,.55), 0 0 0 6px rgba(255,255,255,0.08);
  animation: floatBook 6s ease-in-out infinite;
}
.hero-book-frame img{ width: 100%; border-radius: var(--radius-lg); }
.hero-book-shine{
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255,255,255,.25) 0%, transparent 30%);
  mix-blend-mode: overlay;
}
.hero-orb{
  position: absolute;
  width: 90px; height: 90px;
  border-radius: 50%;
  bottom: -20px;
  right: 10%;
  background: radial-gradient(circle at 35% 30%, #fff6d9, var(--gold) 45%, var(--orange) 80%);
  box-shadow: 0 0 50px 15px rgba(255, 207, 92, .55);
  animation: orbFloat 4.5s ease-in-out infinite;
}
@keyframes floatBook{
  0%,100%{ transform: rotate(2deg) translateY(0); }
  50%{ transform: rotate(0deg) translateY(-14px); }
}
@keyframes orbFloat{
  0%,100%{ transform: translateY(0) scale(1); }
  50%{ transform: translateY(-16px) scale(1.06); }
}

.hero-scroll-cue{
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  letter-spacing: .1em;
  color: rgba(255,255,255,.6);
  animation: bounce 2s infinite;
}
@keyframes bounce{
  0%,100%{ transform: translate(-50%, 0); }
  50%{ transform: translate(-50%, 8px); }
}

@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; text-align: center; }
  .hero-buttons{ justify-content: center; }
  .hero-book{ order: -1; margin-bottom: 20px; }
}

/* ---------------- Section common ---------------- */
main section{
  padding: 100px 24px;
  position: relative;
  z-index: 1;
}
.section-head{
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-tag{
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--gold);
  font-size: .85rem;
  margin: 0 0 10px;
}
.section-title{
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 900;
}

/* ---------------- Story ---------------- */
.story-body{
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}
.story-text p{
  font-size: 1.05rem;
  color: rgba(255,250,243,0.9);
}
.story-highlight{
  color: var(--pink);
  font-weight: 700;
}
.story-quotebox{
  background: linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  position: relative;
}
.story-quotebox i{
  color: var(--gold);
  font-size: 1.4rem;
  margin-bottom: 14px;
  display: block;
}
.story-quotebox p{
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 14px;
}
.story-quotebox span{
  color: rgba(255,255,255,.6);
  font-size: .85rem;
}

@media (max-width: 800px){
  .story-body{ grid-template-columns: 1fr; }
}

/* ---------------- Characters ---------------- */
.character-grid{
  max-width: 1150px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.character-card{
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.015));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 26px;
  text-align: center;
  transition: transform .25s, box-shadow .25s;
}
.character-card:hover{
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(255,93,162,0.2);
}
.character-photo{
  width: 150px; height: 150px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid rgba(255,207,92,0.5);
  background: var(--night-2);
}
.character-photo img{
  width: 100%; height: 100%;
  object-fit: cover;
}
.character-photo--boy img{ object-position: 30% 55%; transform: scale(2.6); }
.character-photo--dragon img{ object-position: 68% 62%; transform: scale(2.6); }
.orb-visual{
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.orb-visual span{
  width: 78px; height: 78px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff6d9, var(--gold) 45%, var(--orange) 85%);
  box-shadow: 0 0 40px 10px rgba(255,207,92,.5);
  animation: orbFloat 4s ease-in-out infinite;
}
.character-card h3{
  font-size: 1.25rem;
  margin-bottom: 4px;
}
.character-role{
  color: var(--gold);
  font-weight: 700;
  font-size: .85rem;
  margin: 0 0 14px;
}
.character-desc{
  font-size: .95rem;
  color: rgba(255,250,243,0.85);
  margin: 0;
}

@media (max-width: 900px){
  .character-grid{ grid-template-columns: 1fr; max-width: 420px; }
}

/* ---------------- Gallery / World ---------------- */
.gallery{
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent);
}
.section-head--light .section-tag{ color: var(--gold); }
.gallery-cover{
  max-width: 720px;
  margin: 0 auto 56px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,.5);
  position: relative;
}
.gallery-cover img{ width: 100%; }
.gallery-cover-caption{
  background: linear-gradient(180deg, rgba(26,15,48,0), rgba(26,15,48,0.92));
  padding: 30px 26px 22px;
  margin-top: -80px;
  position: relative;
}
.gallery-cover-caption p{
  margin: 0;
  font-size: .98rem;
  color: rgba(255,250,243,0.92);
}
.gallery-points{
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.gallery-point{
  text-align: center;
  padding: 26px 18px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
}
.gallery-point i{
  font-size: 1.6rem;
  color: var(--pink);
  margin-bottom: 12px;
}
.gallery-point h4{
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.gallery-point p{
  font-size: .9rem;
  color: rgba(255,250,243,0.8);
  margin: 0;
}
@media (max-width: 800px){
  .gallery-points{ grid-template-columns: 1fr; max-width: 420px; }
}

/* ---------------- Author ---------------- */
.author-card{
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.015));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 46px 36px;
}
.author-icon{
  width: 74px; height: 74px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--ink);
  background: linear-gradient(135deg, var(--gold), var(--pink));
}
.author-card h3{
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.author-card p{
  color: rgba(255,250,243,0.88);
  font-size: 1rem;
  margin: 0;
}

/* ---------------- Purchase ---------------- */
.purchase{ background: linear-gradient(180deg, transparent, rgba(255,255,255,0.03)); }
.purchase-wrap{
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.015));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.purchase-row{
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.15);
  align-items: baseline;
}
.purchase-row dt{
  color: var(--gold);
  font-weight: 700;
  font-size: .9rem;
  display: flex;
  gap: 8px;
  align-items: center;
}
.purchase-row dd{
  margin: 0;
  font-size: 1rem;
}
.badge{
  display: inline-block;
  background: linear-gradient(135deg, var(--magenta), var(--gold-deep));
  color: var(--ink);
  font-size: .72rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  margin-left: 8px;
}
.purchase-buttons{ margin: 26px 0 10px; }
.purchase-note{
  font-size: .82rem;
  color: rgba(255,250,243,0.6);
  margin: 0;
}
.purchase-visual{
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,.5);
}

@media (max-width: 800px){
  .purchase-wrap{ grid-template-columns: 1fr; padding: 30px; }
  .purchase-row{ grid-template-columns: 1fr; }
}

/* ---------------- Newsletter ---------------- */
.newsletter{
  display: flex;
  justify-content: center;
}
.newsletter-card{
  max-width: 560px;
  width: 100%;
  text-align: center;
  background: linear-gradient(160deg, rgba(255,255,255,0.09), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 48px 38px;
  box-shadow: var(--shadow-glow);
}
.newsletter-icon{
  font-size: 2.2rem;
  color: var(--gold);
  margin-bottom: 16px;
}
.newsletter-card h2{
  font-size: 1.6rem;
  margin-bottom: 10px;
}
.newsletter-card p{
  color: rgba(255,250,243,0.85);
  margin: 0 0 28px;
}
.subscribe-form{
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row label{
  display: block;
  font-size: .85rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
}
.form-row input,
.form-row textarea{
  width: 100%;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.06);
  color: var(--white);
  font-family: var(--font-body);
  font-size: .95rem;
  resize: vertical;
}
.form-row input::placeholder,
.form-row textarea::placeholder{ color: rgba(255,255,255,0.4); }
.form-row input:focus,
.form-row textarea:focus{
  outline: none;
  border-color: var(--gold);
  background: rgba(255,255,255,0.1);
}
.subscribe-form .btn{ justify-content: center; margin-top: 6px; }
.form-status{
  min-height: 20px;
  font-size: .9rem;
  text-align: center;
  margin: 4px 0 0;
}
.form-status.success{ color: #7fe6a8; }
.form-status.error{ color: #ff8f8f; }

/* ---------------- Footer ---------------- */
.site-footer{
  padding: 40px 24px 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: var(--night-deep);
}
.footer-inner{
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-brand{
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--gold);
}
.footer-social{ display: flex; gap: 18px; font-size: 1.1rem; }
.footer-social a{
  color: rgba(255,255,255,0.7);
  transition: color .2s;
}
.footer-social a:hover{ color: var(--pink); }
.footer-copy{
  font-size: .8rem;
  color: rgba(255,255,255,0.4);
  margin: 0;
}