/* ===================================================
   Design tokens
   コンセプト: 映像制作会社らしく「フィルム/タイムコード」を
   モチーフにした、深色ベースの落ち着いたトーン。
   タスカ本サイトのモノクロ・深色トーンを踏襲。
=================================================== */
:root {
  --bg: #15141a;
  --bg-panel: #1c1b22;
  --bg-panel-2: #201f27;
  --border: #34323c;
  --text: #f2f0ec;
  --text-muted: #b5b2bd;
  --accent: #FF6600;      /* コーポレートアクセント: オレンジ */
  --accent-soft: #a34700;

  --font-display: "Zen Old Mincho", serif;
  --font-body: "Zen Kaku Gothic New", sans-serif;

  --max-width: 1080px;
  --gutter: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.br-pc { display: inline; }

@media (max-width: 640px) {
  .br-pc { display: none; }
}

/* ===================================================
   01. Hero
=================================================== */
.hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--gutter) 60px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.hero__logo {
  position: absolute;
  top: 32px;
  left: var(--gutter);
  width: 296px;
  height: 88px;
  border: 0px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.hero__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.hero__frame {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero__timecode {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.6;
  letter-spacing: 0.02em;
  margin: 0 0 28px;
  overflow-wrap: break-word;
}

.hero__lead {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--text-muted);
  margin: 0 0 56px;
  max-width: 46ch;
}

.hero__visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  border: 1px solid var(--border);
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    repeating-linear-gradient(135deg, var(--bg-panel) 0 2px, var(--bg-panel-2) 2px 4px);
  opacity: 0;
  transition: opacity 1s ease;
}

.hero__slide.is-active {
  opacity: 1;
}

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__slide-dots {
  position: absolute;
  right: 20px;
  bottom: 18px;
  display: flex;
  gap: 8px;
  z-index: 2;
}

.hero__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.3s ease;
}

.hero__dot.is-active {
  background: var(--accent);
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  background: var(--border);
  overflow: hidden;
}

.scroll-cue span {
  display: block;
  width: 100%;
  height: 16px;
  background: var(--accent);
  animation: cue 2.2s ease-in-out infinite;
}

@keyframes cue {
  0%   { transform: translateY(-16px); }
  60%  { transform: translateY(48px); }
  100% { transform: translateY(48px); }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue span { animation: none; }
  html { scroll-behavior: auto; }
}

/* ===================================================
   02. Problem statement
=================================================== */
.problem {
  padding: 96px var(--gutter);
  border-bottom: 1px solid var(--border);
}

.problem__text {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
}

/* ===================================================
   03. Services (3本柱)
=================================================== */
.services {
  padding: 96px var(--gutter);
  border-bottom: 1px solid var(--border);
}

.services__grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

@media (max-width: 860px) {
  .services__grid { grid-template-columns: 1fr; }
}

.service-card {
  background: var(--bg);
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
}

.service-card__number {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.service-card__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 21px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  margin: 0 0 24px;
}

.service-card__visual {
  aspect-ratio: 4 / 3;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 24px;
}

.service-card__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-card__body {
  font-size: 14.5px;
  color: var(--text-muted);
  flex-grow: 1;
  margin: 0 0 28px;
}

.service-card__link {
  align-self: flex-start;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 4px;
  color: var(--text);
  transition: opacity 0.2s ease;
}

.service-card__link:hover { opacity: 0.7; }

/* ===================================================
   04. Reassurance
=================================================== */
.reassurance {
  padding: 96px var(--gutter);
  border-bottom: 1px solid var(--border);
}

.reassurance__intro {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
}

.reassurance__voices {
  max-width: 520px;
  margin: 0 auto 40px;
  padding: 0;
  list-style: none;
  text-align: center;
}

.reassurance__voices li {
  font-family: var(--font-display);
  color: var(--text-muted);
  font-size: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}

.reassurance__voices li:last-child { border-bottom: 1px solid var(--border); }

.reassurance__body {
  max-width: 640px;
  margin: 0 auto 40px;
  text-align: center;
  color: var(--text-muted);
}

.reassurance__points {
  max-width: 640px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.reassurance__points li {
  position: relative;
  padding: 12px 0 12px 22px;
  font-size: 14.5px;
  color: var(--text-muted);
}

.reassurance__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 1px;
  background: var(--accent);
}

/* ===================================================
   05. Showreel
=================================================== */
.showreel {
  padding: 96px var(--gutter);
  border-bottom: 1px solid var(--border);
}

.showreel__heading {
  text-align: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: 0.02em;
  margin: 0 0 40px;
}

.showreel__frame {
  max-width: var(--max-width);
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  overflow: hidden;
}

.showreel__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.showreel__iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.showreel__play {
  width: 64px;
  height: 64px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.showreel__label {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===================================================
   06. Closing CTA
=================================================== */
.closing {
  padding: 120px var(--gutter) 140px;
  text-align: center;
}

.closing__lead {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.9;
  margin: 0 0 48px;
}

.closing__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.closing__actions .btn {
  width: 240px;
  text-align: center;
}

/* ===================================================
   Footer
=================================================== */
.site-footer {
  padding: 32px var(--gutter);
  text-align: center;
}

.site-footer__text {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.btn {
  display: inline-block;
  padding: 16px 36px;
  font-size: 14.5px;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover { opacity: 0.85; }

.btn--outline {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--outline:hover { border-color: var(--accent); color: var(--accent); }

/* Keyboard focus visibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}