/* ============================================================
   Kent Watanabe — Aerial Installations
   Dark, cinematic, quiet.
   ============================================================ */

:root {
  --bg: #060608;
  --bg-2: #0b0b0f;
  --ink: #e9e6df;
  --ink-dim: #a7a29a;
  --ink-faint: #6d6963;
  --hairline: rgba(233, 230, 223, 0.10);
  --accent: #cfc9bd;
  --serif: "Cormorant Garamond", "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Inter", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --mincho: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --pad: clamp(1.25rem, 5vw, 4rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(233, 230, 223, 0.18); }

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

/* ---------- 背景の霞（斜めに差す薄明・固定レイヤー） ---------- */
.fog{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;background:var(--bg);opacity:0}
.fog span{position:absolute;display:block;will-change:transform,opacity}
.fog span:nth-child(1){inset:-25%;
  background:linear-gradient(112deg,transparent 18%,rgba(222,228,240,.17) 33%,transparent 46%,
    rgba(222,228,240,.11) 58%,transparent 72%);
  animation:veil 70s ease-in-out infinite alternate}
.fog span:nth-child(2){inset:0;
  background:radial-gradient(90% 60% at 78% 8%,rgba(208,220,240,.30),transparent 62%);
  animation:glow 58s ease-in-out infinite alternate}
.fog span:nth-child(3){inset:0;
  background:radial-gradient(100% 55% at 22% 104%,rgba(234,226,212,.24),transparent 60%)}
@keyframes veil{from{transform:translate3d(-3vw,0,0)}to{transform:translate3d(4vw,2vh,0)}}
@keyframes glow{from{opacity:.7}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.fog span{animation:none}}

/* ---------- film grain ---------- */
.grain {
  position: fixed;
  inset: -100px;
  z-index: 60;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* ---------- contact modal ---------- */
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  padding:var(--pad)}
.modal-backdrop{position:absolute;inset:0;background:rgba(4,4,6,.82);backdrop-filter:blur(6px);
  animation:cfFade .35s ease both}
.modal-panel{position:relative;width:min(560px,100%);max-height:88vh;overflow-y:auto;
  padding:clamp(1.8rem,4vw,2.8rem);
  background:rgba(12,12,16,.96);border:1px solid var(--hairline);
  animation:cfRise .45s cubic-bezier(.22,1,.36,1) both}
@keyframes cfFade{from{opacity:0}to{opacity:1}}
@keyframes cfRise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.modal-backdrop,.modal-panel{animation:none}}

.modal-close{position:absolute;top:.9rem;right:1rem;width:2rem;height:2rem;line-height:1;
  background:none;border:0;color:var(--ink-dim);font-size:1.5rem;cursor:pointer;
  transition:color .3s ease}
.modal-close:hover{color:var(--ink)}
.modal-kicker{font-size:.68rem;letter-spacing:.32em;text-transform:uppercase;color:var(--ink-faint)}
.modal-title{margin:.4rem 0 1.6rem;font-family:var(--serif);font-weight:400;
  font-size:clamp(1.6rem,4vw,2.1rem);line-height:1.25;color:var(--ink)}

.cf-row{display:block;margin-bottom:1.15rem}
.cf-row>span{display:block;margin-bottom:.4rem;font-size:.68rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ink-faint)}
.cf-row input,.cf-row textarea{width:100%;padding:.7rem .85rem;
  background:rgba(233,230,223,.04);border:1px solid var(--hairline);color:var(--ink);
  font-family:var(--sans);font-size:.95rem;font-weight:300;line-height:1.6;
  transition:border-color .3s ease,background-color .3s ease}
.cf-row textarea{resize:vertical;min-height:8.5rem}
.cf-row input:focus,.cf-row textarea:focus{outline:none;border-color:rgba(233,230,223,.38);
  background:rgba(233,230,223,.07)}
.cf-row input[aria-invalid="true"],.cf-row textarea[aria-invalid="true"]{border-color:rgba(206,120,110,.6)}

.cf-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.cf-submit{margin-top:.4rem;padding:.72rem 2.1rem;background:none;
  border:1px solid rgba(233,230,223,.32);color:var(--ink);
  font-family:var(--sans);font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;
  cursor:pointer;transition:border-color .35s ease,letter-spacing .35s ease,opacity .3s ease}
.cf-submit:hover:not(:disabled){border-color:var(--ink);letter-spacing:.36em}
.cf-submit:disabled{cursor:default;opacity:.5}
.cf-note{min-height:1.4rem;margin-top:1rem;font-size:.82rem;line-height:1.6;color:var(--ink-dim)}
.cf-note.err{color:#d99a92}
.cf-note a{border-bottom:1px solid rgba(233,230,223,.3)}

/* ---------- scroll progress ---------- */
.progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 1px;
  z-index: 90;
  background: transparent;
}
.progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, rgba(233,230,223,.25), rgba(233,230,223,.6));
  transition: width 80ms linear;
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--pad);
  transition: background-color .5s ease, padding .5s ease, backdrop-filter .5s ease;
}
.nav.scrolled {
  padding: 0.9rem var(--pad);
  background: rgba(6, 6, 8, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.nav-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 2.2rem;
}
.nav-links a {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-dim);
  position: relative;
  padding-bottom: 2px;
  transition: color .35s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s cubic-bezier(.22,1,.36,1);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ---------- hero (video) ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #000;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(6,6,8,0.58) 0%, rgba(6,6,8,0.10) 24%, rgba(6,6,8,0.16) 58%, rgba(6,6,8,0.94) 100%),
    radial-gradient(130% 100% at 50% 45%, rgba(6,6,8,0) 55%, rgba(6,6,8,0.5) 100%);
}
.hero-mark {
  position: relative;
  z-index: 2;
  padding: 0 var(--pad) clamp(6rem, 16vh, 8.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.hero-mark-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  letter-spacing: 0.14em;
  line-height: 1;
  color: var(--ink);
}
.hero-mark-line {
  width: 44px;
  height: 1px;
  background: rgba(233, 230, 223, 0.5);
}
.hero-mark-role {
  font-size: 0.66rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2.4rem;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  color: var(--ink-faint);
  transition: color .4s ease;
}
.scroll-cue:hover { color: var(--ink-dim); }
.scroll-cue-label {
  font-size: 0.62rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
}
.scroll-cue-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, currentColor, transparent);
  overflow: hidden;
  position: relative;
}
.scroll-cue-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, transparent, var(--ink));
  animation: cue 2.6s cubic-bezier(.65,0,.35,1) infinite;
}
@keyframes cue {
  0%   { top: -100%; }
  55%  { top: 100%; }
  100% { top: 100%; }
}

/* ---------- intro ---------- */
.intro {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(7rem, 18vh, 12rem) var(--pad);
}
.intro-text {
  max-width: 640px;
  text-align: left;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  line-height: 1.9;
  color: var(--ink-dim);
}

/* ---------- works ---------- */
.work {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: clamp(6rem, 14vh, 9rem) var(--pad);
  border-top: 1px solid var(--hairline);
}
.work-head {
  width: 100%;
  max-width: 1060px;
  margin-bottom: 2.2rem;
}
.work-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  letter-spacing: 0.035em;
  line-height: 1.15;
  margin-bottom: 0.7rem;
}
.work-meta {
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.work-video {
  width: 100%;
  max-width: 1060px;
}
.work-concept {
  width: 100%;
  max-width: 720px;
  margin-top: 2.6rem;
  align-self: center;
}
@media (min-width: 900px) {
  .work-head, .work-video { align-self: center; }
  .work-concept { margin-right: auto; margin-left: auto; }
}
.concept-text {
  font-size: 0.95rem;
  line-height: 1.95;
  color: var(--ink-dim);
  letter-spacing: 0.012em;
}
.concept-text.clamped {
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
  position: relative;
}
.concept-toggle {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 1px solid rgba(233, 230, 223, 0.3);
  padding: 0 0 2px 0;
  margin-top: 1.3rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-dim);
  cursor: pointer;
  transition: color .35s ease, border-color .35s ease;
}
.concept-toggle:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- facade (YouTube) ---------- */
.facade {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--bg-2);
  cursor: pointer;
  overflow: hidden;
  outline: none;
}
.facade img.poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.82) saturate(0.92);
  transform: scale(1.02);
  transition: filter .8s ease, transform 1.6s cubic-bezier(.22,1,.36,1);
}
.facade:hover img.poster,
.facade:focus-visible img.poster {
  filter: brightness(0.95) saturate(1);
  transform: scale(1.045);
}
.facade::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.55);
  pointer-events: none;
}
.facade .watch {
  position: absolute;
  left: clamp(0.85rem, 2vw, 1.25rem);
  bottom: clamp(0.85rem, 2vw, 1.25rem);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.9rem 0.5rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(233, 230, 223, 0.28);
  background: rgba(6, 6, 8, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  pointer-events: none;
  transition: background-color .45s ease, border-color .45s ease, transform .45s cubic-bezier(.22,1,.36,1);
}
.facade:hover .watch,
.facade:focus-visible .watch {
  background: rgba(6, 6, 8, 0.68);
  border-color: rgba(233, 230, 223, 0.6);
  transform: translateY(-1px);
}
.facade .watch-icon {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(233, 230, 223, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .45s ease;
}
.facade:hover .watch-icon,
.facade:focus-visible .watch-icon { border-color: rgba(233, 230, 223, 0.9); }
.facade .watch-icon svg {
  width: 42%;
  height: 42%;
  margin-left: 8%;
  fill: var(--ink);
}
.facade .watch-label {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(233, 230, 223, 0.9);
}
.facade iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- outro / footer ---------- */
.outro {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  padding: clamp(8rem, 22vh, 14rem) var(--pad);
  text-align: center;
  border-top: 1px solid var(--hairline);
  background:
    radial-gradient(90% 70% at 50% 100%, rgba(20, 22, 30, 0.55) 0%, rgba(6, 6, 8, 0) 60%),
    var(--bg);
}
.outro-line {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.3rem, 3.4vw, 2.1rem);
  line-height: 1.7;
  color: var(--ink-dim);
}
.outro-link {
  font-size: 0.74rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid rgba(233, 230, 223, 0.3);
  padding-bottom: 4px;
  transition: border-color .4s ease, letter-spacing .4s ease;
}
.outro-link:hover { border-color: var(--ink); letter-spacing: 0.38em; }
.outro-link .arrow { display: inline-block; transition: transform .4s ease; }
.outro-link:hover .arrow { transform: translateX(4px); }

.footer {
  border-top: 1px solid var(--hairline);
  padding: 3.4rem var(--pad) 3rem;
}
.footer-inner {
  max-width: 1060px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  text-align: center;
}
.footer-name {
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.footer-links {
  display: flex;
  gap: 2.4rem;
}
.footer-links a {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-dim);
  transition: color .35s ease;
}
.footer-links a:hover { color: var(--ink); }
.footer-ig,
.ig-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
}
.footer-ig svg,
.ig-link svg { display: block; }
.nav-links .ig-link { gap: 0.45em; }
.footer-copy {
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}

/* ---------- profile page ---------- */
.profile-main {
  min-height: 100vh;
  padding: clamp(8rem, 18vh, 11rem) var(--pad) clamp(5rem, 12vh, 8rem);
  display: flex;
  justify-content: center;
}
.profile-grid {
  width: 100%;
  max-width: 1060px;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}
@media (min-width: 860px) {
  .profile-grid { grid-template-columns: 300px minmax(0, 1fr); }
}
/* 作家写真は控えめに(VOX#8685): PC=幅300px、スマホ=最大240px */
.profile-photo-col { max-width: 240px; }
@media (min-width: 860px) { .profile-photo-col { max-width: 300px; } }
.profile-photo-wrap {
  position: relative;
  overflow: hidden;
}
.profile-photo-wrap img {
  display: block;
  width: 100%;
  height: auto;
  filter: grayscale(0.25) brightness(0.92) contrast(1.02);
}
.profile-photo-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 90px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}
.profile-photo-caption {
  margin-top: 1rem;
  font-size: 0.64rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.profile-kicker {
  font-size: 0.7rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.6rem;
}
.profile-name {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  line-height: 1.1;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}
.profile-name-jp {
  font-family: var(--mincho);
  font-size: 0.95rem;
  letter-spacing: 0.5em;
  color: var(--ink-dim);
  margin-bottom: 3rem;
}
.bio-block + .bio-block {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--hairline);
}
.bio-label {
  font-size: 0.66rem;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.2rem;
}
.bio-text {
  font-size: 0.96rem;
  line-height: 2.0;
  color: var(--ink-dim);
}
.bio-text.jp {
  font-family: var(--mincho);
  font-size: 0.92rem;
  line-height: 2.2;
  letter-spacing: 0.05em;
}
.back-home {
  display: inline-block;
  margin-top: 3.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid rgba(233, 230, 223, 0.3);
  padding-bottom: 4px;
  transition: border-color .4s ease;
}
.back-home:hover { border-color: var(--ink); }
.back-home .arrow { display: inline-block; transition: transform .4s ease; }
.back-home:hover .arrow { transform: translateX(-4px); }

/* ---------- reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 1.1s cubic-bezier(.22,1,.36,1),
    transform 1.1s cubic-bezier(.22,1,.36,1);
  will-change: opacity, transform;
}
.reveal.d1 { transition-delay: .15s; }
.reveal.d2 { transition-delay: .3s; }
.reveal.d3 { transition-delay: .45s; }
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-cue-line::after { animation: none; }
  .facade img.poster { transition: none; }
}

/* ---------- small screens ---------- */
/* スマホ縦: 名前とメニューが重なるので2段にする(名前=上、メニュー=下) */
@media (max-width: 520px) {
  .nav { flex-direction: column; align-items: flex-start; gap: 0.55rem; padding-top: 1.1rem; padding-bottom: 0.9rem; }
  .nav.scrolled { padding-top: 0.7rem; padding-bottom: 0.7rem; }
  .nav-links { gap: 1.25rem; }
}
@media (max-width: 640px) {
  .nav-links { gap: 1.1rem; }
  .nav-links a { font-size: 0.64rem; letter-spacing: 0.16em; }
  .nav-name { font-size: 0.92rem; letter-spacing: 0.18em; white-space: nowrap; }
  /* 幅が狭い端末では ナビのInstagramは文字を隠しアイコンのみ表示 (aria-labelで読み上げは維持) */
  .nav-links .ig-link span {
    position: absolute; width: 1px; height: 1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
  }
  .work { padding-top: 5rem; padding-bottom: 5rem; }
  .concept-text { font-size: 0.92rem; }
  .footer-links { gap: 1.6rem; }
}