/* =====================
   リセット・ベース
   ===================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-ink:         #2e1a3a;
  --color-ink-light:   #4a2d5c;
  --color-ink-faint:   #7a5888;
  --color-paper:       #fff5fb;
  --color-cream:       #fde8f8;
  --color-cream-dark:  #f8d8f0;
  --color-mint:        #eafaf4;
  --color-lavender:    #f0ebff;
  --color-peach:       #fff2e8;
  --color-pink:        #f07ab8;
  --color-purple:      #b898e8;
  --color-gold:        #f4b878;
  --color-mint-accent: #7ad8b8;
  --color-red-seal:    #e87898;

  --font-serif: 'Noto Serif JP', serif;
  --font-sans:  'Noto Sans JP', sans-serif;

  --section-padding: 100px 0;
  --container-max:   1000px;

  --radius-card:   20px;
  --radius-btn:    50px;
  --radius-input:  12px;
  --shadow-pink:   0 8px 32px rgba(240, 122, 184, 0.18);
  --shadow-purple: 0 8px 32px rgba(184, 152, 232, 0.18);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-ink);
  background-color: var(--color-paper);
  line-height: 1.8;
  overflow-x: hidden;
}

/* =====================
   水玉テクスチャ背景
   ===================== */
.washi-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(circle, rgba(240,122,184,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.8;
}

/* =====================
   ナビゲーション
   ===================== */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 48px;
  background: rgba(255, 245, 251, 0.93);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid rgba(240, 122, 184, 0.15);
  transition: box-shadow 0.3s;
}

.nav.scrolled {
  box-shadow: 0 4px 24px rgba(240, 122, 184, 0.12);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-pink);
  letter-spacing: 0.1em;
  line-height: 1.6;
}

.nav-logo rt {
  font-size: 0.55em;
  letter-spacing: 0.08em;
  color: var(--color-ink-faint);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-ink-light);
  text-decoration: none;
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: '♥';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.5rem;
  color: var(--color-pink);
  opacity: 0;
  transition: opacity 0.3s;
}

.nav-links a:hover { color: var(--color-pink); }
.nav-links a:hover::after { opacity: 1; }

/* =====================
   ヒーローセクション
   ===================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 60px 24px 36px;
  position: relative;
  background:
    radial-gradient(ellipse at 15% 85%, rgba(240,122,184,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(184,152,232,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(122,216,184,0.08) 0%, transparent 70%),
    var(--color-paper);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(240,122,184,0.1) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: fadeUp 1s ease both;
}

.mon-crest {
  width: 390px;
  height: 390px;
  margin: 0 auto 4px;
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 16px rgba(240,122,184,0.25));
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 8vw, 5.5rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--color-ink);
  margin-top: 0;
  margin-bottom: 4px;
  white-space: nowrap;
}

.rainbow-char {
  display: inline-block;
  animation: charFloat 3s ease-in-out infinite;
}

.c1 { color: #f07ab8; animation-delay: 0s; }
.c2 { color: #f4a070; animation-delay: 0.15s; }
.c3 { color: #f8d060; animation-delay: 0.3s; }
.c4 { color: #7ad8a0; animation-delay: 0.45s; }
.c5 { color: #7ab8f4; animation-delay: 0.6s; }
.c6 { color: #b898e8; animation-delay: 0.75s; }
.c7 { color: #f07ac8; animation-delay: 0.9s; }
.c8 { color: #f07ab8; animation-delay: 1.05s; }

@keyframes charFloat {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

.hero-en {
  font-size: 0.85rem;
  letter-spacing: 0.4em;
  color: var(--color-ink-faint);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  color: var(--color-pink);
  letter-spacing: 0.2em;
  margin-bottom: 14px;
}

.hero-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 auto 14px;
  width: 220px;
}

.hero-divider span:first-child {
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-pink));
  display: block;
  border-radius: 2px;
}

.hero-divider span:last-child {
  flex: 1;
  height: 2px;
  background: linear-gradient(to left, transparent, var(--color-purple));
  display: block;
  border-radius: 2px;
}

.diamond {
  color: var(--color-pink);
  font-size: 0.7rem;
}

.hero-description {
  font-size: 0.95rem;
  color: var(--color-ink-light);
  line-height: 2;
  letter-spacing: 0.05em;
}

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeUp 1.5s ease 0.8s both;
}

.scroll-hint span {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-ink-faint);
  text-transform: uppercase;
}

.scroll-line {
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-pink), transparent);
  border-radius: 2px;
  animation: scrollPulse 2s ease infinite;
}

/* =====================
   セクション共通
   ===================== */
.section {
  padding: var(--section-padding);
  position: relative;
  z-index: 1;
}

.section-alt  { background-color: var(--color-mint); }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.sort-btn {
  display: inline-block;
  margin-top: 20px;
  padding: 8px 24px;
  background: #fff;
  color: var(--color-pink);
  border: 2px solid var(--color-pink);
  border-radius: var(--radius-btn);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.sort-btn:hover {
  background: var(--color-pink);
  color: #fff;
}

.section-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-pink);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-ink);
  position: relative;
  display: inline-block;
  padding-bottom: 20px;
}

.section-title-large {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-ink);
  position: relative;
  display: inline-block;
  padding-bottom: 20px;
}

.section-title-large::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, var(--color-pink), var(--color-purple));
  border-radius: 3px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: linear-gradient(to right, var(--color-pink), var(--color-purple));
  border-radius: 3px;
}

/* =====================
   About
   ===================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.photo-frame {
  position: relative;
  aspect-ratio: 3/4;
  border: 3px solid rgba(240, 122, 184, 0.35);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #ffffff;
  box-shadow: var(--shadow-pink);
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-frame::before {
  display: none;
}

.photo-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  letter-spacing: 0.1em;
  text-align: center;
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.about-text { padding-top: 8px; }

.about-intro {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.furigana-inline {
  font-size: 0.75em;
  color: var(--color-ink);
  letter-spacing: 0.05em;
}

.about-text p {
  color: var(--color-ink-light);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.about-quote {
  margin: 8px 0;
  color: var(--color-ink);
}

.about-details {
  margin-top: 36px;
  padding-top: 36px;
  border-top: 2px dashed rgba(240, 122, 184, 0.25);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.detail-item {
  display: flex;
  align-items: baseline;
  gap: 24px;
  font-size: 0.9rem;
}

.detail-label {
  color: var(--color-pink);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  min-width: 48px;
}

.detail-value { color: var(--color-ink-light); }

/* =====================
   Skills
   ===================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.skill-card {
  background: #ffffff;
  border: 2px solid rgba(240, 122, 184, 0.2);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  text-align: center;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 16px rgba(240, 122, 184, 0.08);
}

.skill-card::before { display: none; }

.skill-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-pink);
  border-color: rgba(240, 122, 184, 0.45);
}

.skill-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 20px;
  color: var(--color-pink);
  background: rgba(240, 122, 184, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.skill-icon svg { width: 100%; height: 100%; }

.skill-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}

.skill-card p {
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  line-height: 1.8;
  margin-bottom: 24px;
}

.skill-bar {
  height: 6px;
  background: rgba(240, 122, 184, 0.12);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.skill-fill {
  position: absolute;
  inset: 0;
  width: var(--fill);
  background: linear-gradient(to right, var(--color-pink), var(--color-purple));
  border-radius: 6px;
  transform-origin: left;
  animation: expandBar 1.5s ease 0.5s both;
}

/* =====================
   Works
   ===================== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.work-card {
  overflow: hidden;
  border: 2px solid rgba(184, 152, 232, 0.25);
  border-radius: var(--radius-card);
  background: #ffffff;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 16px rgba(184, 152, 232, 0.08);
}

.work-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-purple);
}

.work-thumb { height: 180px; position: relative; }

.work-thumb-1 {
  background: linear-gradient(135deg, #ffd8ee 0%, #f4b0d4 100%);
}
.work-thumb-2 {
  background: linear-gradient(135deg, #d8f0ff 0%, #a8d8f8 100%);
}
.work-thumb-3 {
  background: linear-gradient(135deg, #e8d8ff 0%, #c8a8f0 100%);
}

.work-info { padding: 20px 22px 24px; }

.work-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-pink), var(--color-purple));
  border-radius: 50px;
  padding: 3px 12px;
  margin-bottom: 10px;
}

.work-info h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.work-info p {
  font-size: 0.82rem;
  color: var(--color-ink-faint);
  line-height: 1.7;
}

/* =====================
   Music
   ===================== */
.music-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.music-card {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  background: #ffffff;
  border: 2px solid rgba(240, 122, 184, 0.35);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 16px rgba(240, 122, 184, 0.08);
}

.music-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-pink);
}

.video-wrap {
  position: relative;
  padding-top: 56.25%;
  background: #2a1a30;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  overflow: hidden;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.thumb-link {
  display: block;
  position: relative;
  overflow: hidden;
  width: 260px;
  min-width: 260px;
  background: #2a1a30;
  border-radius: var(--radius-card) 0 0 var(--radius-card);
  flex-shrink: 0;
}

.music-thumb-bg {
  position: absolute;
  inset: -8px;
  width: calc(100% + 16px);
  height: calc(100% + 16px);
  object-fit: cover;
  filter: blur(16px) brightness(0.75) saturate(2.2);
  z-index: 0;
  pointer-events: none;
}

.music-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  z-index: 1;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.thumb-link:hover .music-thumb-img {
  transform: scale(1.03);
  opacity: 0.85;
}

.thumb-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 2;
}

.thumb-link:hover .thumb-play { opacity: 1; }

.thumb-play svg {
  width: 48px;
  height: 48px;
  color: white;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

.music-info {
  flex: 1;
  padding: 20px 24px 24px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.music-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.music-date {
  font-size: 0.72rem;
  color: var(--color-pink);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.music-desc {
  font-size: 0.85rem;
  color: var(--color-ink-light);
  line-height: 1.8;
}

@media (max-width: 640px) {
  .music-card { flex-direction: column; }
  .thumb-link { width: 100%; min-width: unset; border-radius: var(--radius-card) var(--radius-card) 0 0; aspect-ratio: 16 / 9; }
}

/* =====================
   Contact
   ===================== */
.section-contact {
  background:
    radial-gradient(ellipse at 30% 100%, rgba(240,122,184,0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 0%,   rgba(184,152,232,0.1) 0%, transparent 60%),
    var(--color-lavender);
}

.contact-lead {
  text-align: center;
  color: var(--color-ink-light);
  font-size: 0.95rem;
  margin-bottom: 52px;
  line-height: 2;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group { margin-bottom: 24px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--color-ink-light);
  margin-bottom: 8px;
}

.required { color: var(--color-red-seal); margin-left: 4px; }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid rgba(240, 122, 184, 0.25);
  border-radius: var(--radius-input);
  background: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-ink);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  resize: vertical;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-ink-faint); }

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-pink);
  box-shadow: 0 0 0 4px rgba(240, 122, 184, 0.12);
}

.submit-btn {
  display: block;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--color-pink), var(--color-purple));
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  border: none;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: opacity 0.3s, transform 0.2s, box-shadow 0.3s;
  box-shadow: var(--shadow-pink);
}

.submit-btn:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(240, 122, 184, 0.3);
}

.submit-btn:active { transform: translateY(0); }

.form-note {
  margin-top: 16px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-pink);
  min-height: 1.4em;
}

/* =====================
   フッター
   ===================== */
.footer {
  background: linear-gradient(135deg, #7a4a8a 0%, #5a3870 100%);
  color: #f8e8ff;
  text-align: center;
  padding: 52px 24px;
}

.footer-mon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--color-gold);
  opacity: 0.85;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  color: var(--color-gold);
}

.footer-copy {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(248, 232, 255, 0.5);
}

/* =====================
   アニメーション
   ===================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.1); }
}

@keyframes expandBar {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* =====================
   スクロールアニメーション
   ===================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================
   レスポンシブ
   ===================== */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .nav-links { gap: 20px; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-photo {
    max-width: 240px;
    margin: 0 auto;
  }

  .skills-grid,
  .works-grid { grid-template-columns: 1fr; }

  .section { padding: 64px 0; }
}

@media (max-width: 480px) {
  .nav-links { display: none; }
}