/* ===== Custom Cursor ===== */
/* マウス環境のみカーソルを非表示にする */
@media (hover: hover) and (pointer: fine) {
  html, body, * { cursor: none !important; }
}

@media (hover: none), (pointer: coarse) {
  #cursor, #cursor-dot { display: none !important; }
}

#cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border: 1.5px solid rgba(0,0,0,0.6);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-200px, -200px);
  transition: border-color 0.2s ease, background 0.2s ease;
  will-change: transform;
}

#cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 5px;
  height: 5px;
  background: #1a1a1a;
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-200px, -200px);
  will-change: transform;
}

#cursor.hover {
  border-color: #3333cc;
  background: rgba(51,51,204,0.06);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --fg-muted: #666;
  --accent: #1a1a1a;
  --border: rgba(0,0,0,0.12);
  --font-en: 'Inter', sans-serif;
  --font-ja: 'Shippori Mincho', serif;
  --font-mono: 'Fira Code', monospace;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-en);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* 日本語テキストすべてにShippori Minchoを適用 */
.ja,
.work-title,
.work-desc,
.work-year,
.work-detail-title,
.work-detail-year,
.hero-title,
.note-title,
.note-excerpt,
.about-text p,
.meta-value {
  font-family: var(--font-ja);
}

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

/* ===== Language Toggle ===== */
body.lang-ja .en { display: none; }
body.lang-en .ja { display: none; }
/* Default: 日本語表示、ENボタンで英語に切り替え */
.en { display: none; }

body.lang-en .ja { display: none; }
body.lang-en .en { display: block; }
body.lang-ja .en { display: none; }
body.lang-ja .ja { display: block; }

/* ===== Navigation ===== */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 2.5rem;
  mix-blend-mode: normal;
  background: transparent;
  transition: background 0.4s, backdrop-filter 0.4s;
}

#nav.scrolled {
  background: transparent;
}

.nav-name a {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.9rem;
  font-weight: 330;
  letter-spacing: 0.02em;
  color: #000000;
  opacity: 1;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: #000000;
  opacity: 1;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.4;
  transition: opacity 0.2s;
}

.nav-sym {
  font-size: 1.0rem;
  opacity: 1;
}

.nav-lbl {
  font-size: 0.85rem;
  font-weight: 300;
}

/* マウスが使える環境だけホバーアニメーション */
@media (hover: hover) {
  .nav-links a:hover {
    opacity: 1;
    animation: nav-color-shift 2.4s ease forwards;
  }
}

/* タッチデバイスはシンプルなフィードバックのみ */
@media (hover: none) {
  .nav-links a:active {
    opacity: 1;
  }
}

@keyframes nav-color-shift {
  0%   { background: transparent; color: var(--fg); }
  5%   { background: #f4a0c0; color: #fff; }
  100% { background: #3333cc; color: #fff; }
}

.lang-toggle a {
  border: 1px solid var(--border);
}

/* デフォルト：日本語表示中 → ENに取り消し線 */
.lang-toggle .lang-en { text-decoration: line-through; }
.lang-toggle .lang-ja { text-decoration: none; }

/* 英語表示中 → JAに取り消し線 */
body.lang-en .lang-toggle .lang-en { text-decoration: none; }
body.lang-en .lang-toggle .lang-ja { text-decoration: line-through; }

/* ===== Hero ===== */
.hero {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-image,
.hero-slide img,
.hero-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  display: block;
}

/* Subtle gradient overlay at the bottom for text legibility */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 40%,
    rgba(245, 244, 240, 0.15) 70%,
    rgba(245, 244, 240, 0.6) 100%
  );
}

.hero-text {
  position: absolute;
  bottom: 5rem;
  right: 2.5rem;
  z-index: 1;
  text-align: right;
  max-width: 700px;
}

.scroll-hint {
  position: absolute;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 1rem;
}

.hero-title .line {
  display: block;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--fg);
}

.hero-title .line.ja {
  display: block;
  font-family: var(--font-ja);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  color: #3333cc;
  opacity: 1;
  text-shadow: 0 0 20px rgba(255,255,255,1), 0 0 40px rgba(255,255,255,0.9);
  transition: color 0.8s ease, text-shadow 0.8s ease;
}

.hero-sub {
  font-size: 0.9rem;
  color: #3333cc;
  opacity: 0.85;
  line-height: 1.8;
  letter-spacing: 0.02em;
  text-shadow: 0 0 15px rgba(255,255,255,1), 0 0 30px rgba(255,255,255,0.9);
  transition: color 0.8s ease, text-shadow 0.8s ease;
}


.scroll-hint {
  position: absolute;
  bottom: 2rem;
  right: 2.5rem;
  z-index: 1;
  font-size: 1.2rem;
  opacity: 0.4;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ===== Section Base ===== */
.section-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: #000000;
  opacity: 1;
  margin-bottom: 3rem;
}

/* ===== Works ===== */
.works-section {
  padding: 7rem 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 4rem 3rem;
}

.work-item {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  cursor: pointer;
}

@media (hover: hover) {
  .work-item:hover .work-year,
  .work-item:hover .work-title,
  .work-item:hover .work-desc {
    color: #3333cc;
    transition: color 0.3s ease;
  }
}

.work-item.visible {
  opacity: 1;
  transform: none;
}

.work-image-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #e8e6e0;
}

.work-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.work-image.placeholder {
  background: linear-gradient(135deg, #e0ddd8 0%, #ccc9c3 100%);
}

.work-item:hover .work-image {
  transform: scale(1.03);
}

.work-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.work-year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  opacity: 0.45;
}

.work-title {
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* ===== etc カード ===== */
.etc-circle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4/3;
}

.etc-circle {
  width: 55%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: #fa8072;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.4s ease;
}

@media (hover: hover) {
  .etc-circle:hover {
    background: #fa8072;
  }
}

.etc-label {
  font-family: var(--font-ja);
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: #fff;
}

@media (hover: hover) {
  .etc-circle:hover {
    animation: etc-pulse 1.2s ease-in-out infinite;
  }
}

@media (hover: hover) {
  .work-item--etc:hover .work-image--circle {
    animation: etc-pulse 1.2s ease-in-out infinite;
  }
}

@keyframes etc-pulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.12); }
  100% { transform: scale(1); }
}

.work-desc {
  font-size: 0.82rem;
  line-height: 1.75;
  opacity: 0.6;
  margin-top: 0.3rem;
}

.about-link-btn {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  opacity: 0.5;
  border-radius: 4px;
  transition: opacity 0.2s;
}

.about-link-btn:hover {
  opacity: 1;
  animation: nav-color-shift 2.4s ease forwards;
}

/* ===== About ===== */
.about-section {
  padding: 7rem 2.5rem;
  border-top: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto;
}

.about-inner {
  display: block;
}

.about-text p {
  font-size: 0.9rem;
  line-height: 2;
  opacity: 0.75;
}

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.meta-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.4;
}

.meta-value {
  font-size: 0.84rem;
  opacity: 0.8;
}

/* ===== Contact ===== */
.contact-section {
  padding: 7rem 2.5rem;
  border-top: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto;
}

.contact-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-email {
  font-size: clamp(1.0rem, 2.5vw, 1.6rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  opacity: 0.85;
  transition: opacity 0.2s;
  display: inline-block;
}

.contact-email:hover {
  opacity: 1;
}

.contact-links {
  display: flex;
  gap: 1.5rem;
}

.contact-links a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  opacity: 0.5;
  border-radius: 4px;
  transition: opacity 0.2s;
}

.contact-links a:hover {
  opacity: 1;
  animation: nav-color-shift 2.4s ease forwards;
}

/* ===== Footer ===== */
footer {
  font-family: var(--font-mono);
  font-weight: 300;
  border-top: 1px solid var(--border);
  padding: 2rem 2.5rem;
  font-size: 0.72rem;
  opacity: 0.35;
  letter-spacing: 0.04em;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero {
    aspect-ratio: 4 / 3;
  }

  .hero-slide img,
  .hero-slide video {
    object-position: center center;
  }

  #nav {
    padding: 1.2rem 1.5rem;
  }

  .nav-links {
    gap: 1.2rem;
  }

  .hero-text {
    padding: 0 1.5rem 4rem;
  }

  .works-section,
  .about-section,
  .contact-section {
    padding: 5rem 1.5rem;
  }

  .works-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  footer {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .nav-name a {
    font-size: 0.85rem;
  }
  .nav-sym {
    font-size: 0.7rem;
  }
  .nav-lbl {
    font-size: 0.65rem;
  }
  .nav-links {
    gap: 0.8rem;
  }
}

br.br-mobile { display: none; }
br.br-desktop { display: block; }

@media (max-width: 768px) {
  br.br-mobile { display: block; }
  br.br-desktop { display: none; }
  .work-detail-desc br { display: none; }
}