/* ============================
   CSS Custom Properties
   ============================ */
:root {
  --grid: min(1.6667vw, 21.33px);

  --bg: #f1efe7;
  --bg-alt: #e9e6de;
  --text: #252726;
  --text-muted: #7a7268;
  --text-faint: #b5aea3;
  --border: rgba(37, 39, 38, 0.1);
  --border-strong: rgba(37, 39, 38, 0.2);

  --ease: cubic-bezier(0.32, 0.94, 0.6, 1);
  --ease-link: cubic-bezier(0.65, 0, 0.35, 1);

  --header-h: calc(var(--grid) * 4);
}

@media screen and (max-width: 680px) {
  :root {
    --grid: 4.97512vw;
  }
}


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

html {
  font-size: 16px;
  line-height: 1.15;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  overscroll-behavior-x: none;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  font-weight: 400;
  font-feature-settings: "palt";
  overflow-x: hidden;
  overscroll-behavior-x: none;
}

::selection {
  background-color: #d0cdc3;
  color: var(--text);
}

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

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

em {
  font-style: italic;
  font-weight: inherit;
}


/* ============================
   Header
   ============================ */
.l-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--grid);
  mix-blend-mode: multiply;
}

.l-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
}

.logo {
  display: block;
}

.logo__text {
  font-size: clamp(12px, 0.9375vw, 16px);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.l-header__nav {
  display: flex;
  align-items: center;
  gap: calc(var(--grid) * 2);
}


/* ============================
   Nav Toggle (SP only)
   ============================ */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  line-height: 0;
}

.nav-toggle__icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  opacity: 0.75;
  transition: opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  opacity: 1;
}


/* ============================
   Link Component
   ============================ */
.c-link {
  display: inline-block;
  position: relative;
}

.c-link__text {
  font-size: clamp(11px, 0.8333vw, 14px);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  position: relative;
}

.c-link__text::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: right top;
  transition: transform 0.5s var(--ease-link);
}

@media (hover: hover) and (pointer: fine) {
  .c-link:hover .c-link__text::after {
    transform: scaleX(1);
    transform-origin: left top;
  }
}


/* ============================
   SP Nav Overlay
   ============================ */
.sp-nav {
  display: none;
}

@media screen and (max-width: 680px) {
  .sp-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #f1efe7;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: calc(var(--grid) * 4);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease);
  }

  .sp-nav.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .sp-nav .c-link__text {
    font-size: 20px;
    letter-spacing: 0.08em;
  }

  .sp-nav__close {
    position: absolute;
    top: calc(var(--grid) * 0.4);
    right: calc(var(--grid) * 1.5);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--text-muted);
    padding: 4px;
  }
}


/* ============================
   Hero Section
   ============================ */
.l-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--grid) * 6) var(--grid) calc(var(--grid) * 4);
  overflow: hidden;
}

.l-hero__inner {
  padding-top: var(--header-h);
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

.hero-title {
  margin-bottom: calc(var(--grid) * 1.5);
}

.hero-title__line {
  overflow: hidden;
  line-height: 0.9;
}

.hero-title__word {
  display: block;
  font-size: clamp(40px, 11vw, 175px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.9;
  transform: translateY(1.2em);
  opacity: 0;
  transition: transform 1.2s var(--ease), opacity 1.2s var(--ease);
  transition-delay: var(--delay, 0s);
  will-change: transform, opacity;
}

.hero-title__word.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 0.75em;
  opacity: 0;
  transform: translateY(0.8em);
  transition: transform 1s var(--ease), opacity 1s var(--ease);
  transition-delay: var(--delay, 0s);
  will-change: transform, opacity;
}

.hero-meta.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-meta__name {
  font-size: clamp(14px, 1.25vw, 22px);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-meta__sep {
  color: var(--text-faint);
}

.hero-meta__tag {
  font-size: clamp(12px, 0.9375vw, 16px);
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.hero-scroll {
  position: absolute;
  bottom: calc(var(--grid) * 2);
  right: calc(var(--grid) * 1.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
  will-change: opacity;
}

.hero-scroll.is-visible {
  opacity: 1;
}

.hero-scroll span {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  writing-mode: vertical-rl;
}

.hero-scroll__line {
  width: 1px;
  height: 60px;
  background: var(--text-muted);
  transform-origin: top center;
  animation: scrollLine 2s var(--ease-link) infinite 1s;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top center; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top center; opacity: 1; }
  51%  { transform: scaleY(1); transform-origin: bottom center; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom center; opacity: 0; }
}


/* ============================
   Section Base
   ============================ */
.l-section {
  padding: calc(var(--grid) * 8) var(--grid);
  border-top: 1px solid var(--border);
  overflow-x: hidden;
}

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

.l-section__inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: calc(var(--grid) * 0.75);
  margin-bottom: calc(var(--grid) * 5);
}

.section-num {
  font-size: clamp(11px, 0.8333vw, 13px);
  font-weight: 400;
  color: var(--text-faint);
  letter-spacing: 0.1em;
}

.section-title {
  font-size: clamp(32px, 4.16vw, 72px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}


/* ============================
   Works
   ============================ */
.works-block {
  margin-bottom: calc(var(--grid) * 6);
}

.works-block:last-child {
  margin-bottom: 0;
}

.works-block__label {
  font-size: clamp(16px, 1.5625vw, 20px);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: calc(var(--grid) * 1.5);
  padding-bottom: calc(var(--grid) * 0.75);
  border-bottom: 1px solid var(--border);
}

.works-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.work-item {
  display: grid;
  grid-template-columns: calc(var(--grid) * 8) 1fr auto;
  gap: calc(var(--grid) * 2);
  align-items: center;
  padding: calc(var(--grid) * 1.5) 0;
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s var(--ease);
}

.work-item:last-child {
  border-bottom: none;
}

.work-item--archive {
  transition: background-color 0.3s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
  .work-item:hover {
    background-color: rgba(37, 39, 38, 0.02);
  }
}

/* Album Art Image */
.work-art-img {
  width: calc(var(--grid) * 8);
  height: calc(var(--grid) * 8);
  object-fit: cover;
  flex-shrink: 0;
}

.work-art-img--muted {
  opacity: 0.6;
}

/* Album Art Placeholder */
.work-art-placeholder {
  width: calc(var(--grid) * 8);
  height: calc(var(--grid) * 8);
  background-color: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.work-art-placeholder--album {
  background-color: #dedad2;
}

.work-art-placeholder--muted {
  background-color: transparent;
  border-color: var(--border);
}

.work-art-year {
  font-size: clamp(8px, 0.625vw, 11px);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-faint);
}

/* Work Info */
.work-item__info {
  min-width: 0;
}

.work-item__meta {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.4em;
}

.work-year {
  font-size: clamp(10px, 0.729vw, 12px);
  font-weight: 400;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.work-format {
  font-size: clamp(9px, 0.625vw, 11px);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  background-color: rgba(37, 39, 38, 0.06);
  padding: 2px 6px;
  border-radius: 2px;
}

.work-title {
  font-size: clamp(16px, 1.5625vw, 26px);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 0.3em;
}

.work-label {
  font-size: clamp(11px, 0.729vw, 12px);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.work-note {
  font-size: clamp(10px, 0.625vw, 11px);
  color: var(--text-faint);
  letter-spacing: 0.03em;
  margin-top: 0.3em;
  font-style: italic;
}

/* Work Links */
.work-item__links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.stream-link {
  font-size: clamp(11px, 0.729vw, 13px);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  position: relative;
  transition: opacity 0.3s;
}

.stream-icon {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  flex-shrink: 0;
}

.stream-link span {
  display: inline-block;
  transition: transform 0.3s var(--ease);
}

@media (hover: hover) and (pointer: fine) {
  .stream-link:hover {
    opacity: 0.6;
  }
  .stream-link:hover span {
    transform: translate(2px, -2px);
  }
}

.work-badge {
  font-size: clamp(9px, 0.573vw, 10px);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
}

.work-badge--oop {
  color: var(--text-faint);
  border: 1px solid var(--border);
}

.work-badge--soon {
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
}


/* ============================
   Artist Section
   ============================ */
.artist-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--grid) * 4);
  align-items: start;
}

.artist-img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  position: sticky;
  top: calc(var(--header-h) + var(--grid) * 2);
}

.artist-bio-ja {
  font-size: clamp(12px, 0.9375vw, 14px) !important;
  line-height: 1.9 !important;
  letter-spacing: 3px;
  margin-top: 2em;
  border-top: 1px solid var(--border);
  padding-top: 1.5em;
}

.artist-quote blockquote {
  font-size: clamp(28px, 3.125vw, 54px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  font-style: italic;
  position: sticky;
  top: calc(var(--header-h) + var(--grid) * 2);
}

.artist-body p {
  font-size: clamp(14px, 1.0416vw, 18px);
  font-weight: 400;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 1.5em;
}

.artist-body p:last-of-type {
  margin-bottom: 0;
}

.artist-links {
  margin-top: calc(var(--grid) * 2);
}


/* ============================
   Contact Section
   ============================ */
.contact-body {
  max-width: 600px;
}

.contact-email-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-desc {
  font-size: clamp(12px, 0.9375vw, 15px);
  color: var(--text-muted);
  letter-spacing: 0.03em;
  margin-bottom: calc(var(--grid) * 1.5);
}

.contact-email {
  display: inline-block;
  font-size: clamp(20px, 2.291vw, 40px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  position: relative;
  color: var(--text);
}

.contact-email::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--text);
  transform: scaleX(0);
  transform-origin: right top;
  transition: transform 0.6s var(--ease-link);
}

@media (hover: hover) and (pointer: fine) {
  .contact-email:hover::after {
    transform: scaleX(1);
    transform-origin: left top;
  }
}


/* ============================
   Copy Button
   ============================ */
.copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  cursor: pointer;
  padding: 6px;
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}

.copy-btn__icon {
  width: 16px;
  height: 16px;
  display: block;
  transition: opacity 0.2s;
}

.copy-btn__icon--check {
  display: none;
}

.copy-btn.is-copied .copy-btn__icon--copy {
  display: none;
}

.copy-btn.is-copied .copy-btn__icon--check {
  display: block;
  color: var(--text);
}

.copy-btn.is-copied {
  border-color: var(--text);
}

.copy-toast {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}

.copy-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .copy-btn:hover {
    color: var(--text);
    border-color: var(--text);
  }
}


/* ============================
   Footer
   ============================ */
.l-footer {
  padding: calc(var(--grid) * 2) var(--grid);
  border-top: 1px solid var(--border);
}

.l-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
}

.footer-copy {
  font-size: clamp(10px, 0.625vw, 12px);
  color: var(--text-faint);
  letter-spacing: 0.05em;
}


/* ============================
   Scroll Fade Animation
   ============================ */
.js-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: transform, opacity;
}

.js-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js-fade:nth-child(2) { transition-delay: 0.1s; }
.js-fade:nth-child(3) { transition-delay: 0.2s; }


/* ============================
   Responsive
   ============================ */
@media screen and (max-width: 960px) {
  .artist-layout {
    grid-template-columns: 1fr;
    gap: calc(var(--grid) * 3);
  }

  .artist-img {
    position: static;
    max-height: 60vw;
    width: 100%;
    aspect-ratio: auto;
  }

  .artist-quote blockquote {
    position: static;
    font-size: clamp(24px, 4vw, 40px);
  }

  .work-item {
    grid-template-columns: calc(var(--grid) * 8) 1fr;
    grid-template-rows: auto auto;
  }

  .work-item__links {
    grid-column: 2;
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 0.5em;
  }
}

@media screen and (max-width: 680px) {
  .nav-toggle {
    display: block;
  }

  .l-header__nav {
    display: none;
  }

  .stream-link {
    white-space: normal;
    flex-shrink: 1;
  }

  .work-item__links {
    flex-shrink: 1;
    min-width: 0;
  }

  .contact-email {
    font-size: clamp(14px, 4vw, 22px);
    word-break: break-all;
    min-width: 0;
  }

  .contact-email-row {
    flex-wrap: wrap;
  }

  .l-hero {
    min-height: 94vh;
    padding: calc(var(--grid) * 4) calc(var(--grid) * 1.5) calc(var(--grid) * 4);
  }

  .l-section {
    padding: calc(var(--grid) * 3) calc(var(--grid) * 1.5);
  }

  .section-header {
    margin-bottom: calc(var(--grid) * 2.5);
  }

  .works-block {
    margin-bottom: calc(var(--grid) * 3);
  }

  .l-header {
    padding: calc(var(--grid) * 0.4) calc(var(--grid) * 1.5);
  }

  .hero-scroll {
    display: none;
  }

  .work-item {
    grid-template-columns: calc(var(--grid) * 5) 1fr;
  }

  .work-art-placeholder,
  .work-art-img {
    width: calc(var(--grid) * 5);
    height: calc(var(--grid) * 5);
  }

  .l-footer__inner {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .works-block__label {
    font-size: 10px;
  }
}