/* ======================================================
   Sample Movies — Wedding Movie Studio
   Liquid Layout: 1366px基準で 1rem = 10px
                  1920px以降は 1rem = 14px で頭打ち
                  モバイル(<=768px)は 375px基準で 1rem = 10px
   ====================================================== */

:root {
  --ink: #3a342e;
  --ink-2: #6b645a;
  --ink-3: #8a8178;
  --ink-soft: #b8aea2;
  --line: #d5ccbf;
  --line-soft: #ebe4d8;
  --bg: #faf7f1;
  --paper: #f2ece0;
  --brand: #6b645a;
  --brand-2: #807971;
  --accent: #c5bfb5;
}

html {
  font-size: min(calc(100vw / 136.6), 14px);
  scroll-behavior: smooth;
}
@media (max-width: 768px) {
  html {
    font-size: calc(100vw / 37.5);
  }
}

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

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 1.4rem;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ---------- FOCUS ---------- */
:focus-visible {
  outline: 0.2rem solid var(--brand);
  outline-offset: 0.3rem;
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- HEADER ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  padding: 2.2rem 4.8rem;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(250, 247, 241, 0.82);
  backdrop-filter: blur(1.2rem);
  -webkit-backdrop-filter: blur(1.2rem);
  z-index: 50;
  border-bottom: 0.1rem solid transparent;
  transition: border-color 0.4s ease, padding 0.4s ease;
}
.site-header.scrolled { border-bottom-color: var(--line-soft); padding: 1.4rem 4.8rem; }

.site-header__logo {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500; font-style: italic;
  font-size: 2rem; letter-spacing: 0.08em;
  color: var(--ink);
  display: flex; align-items: center; gap: 1rem;
  white-space: nowrap; flex-shrink: 0;
}
.site-header__logo small {
  font-family: 'Shippori Mincho', serif;
  font-size: 1rem; font-style: normal;
  letter-spacing: 0.3em; color: var(--ink-2);
  margin-left: 0.4rem;
}

.site-header__nav { display: flex; gap: 3.6rem; }
.site-header__nav a {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem; letter-spacing: 0.25em;
  color: var(--ink-2); text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s ease;
}
.site-header__nav a:hover { color: var(--ink); }

@media (max-width: 1100px) {
  .site-header__logo small { display: none; }
  .site-header__nav { gap: 2.2rem; }
  .site-header__nav a { font-size: 1.2rem; letter-spacing: 0.2em; }
}
@media (max-width: 900px) {
  .site-header__nav { display: none; }
}
@media (max-width: 768px) {
  .site-header { padding: 1.4rem 2rem; }
  .site-header.scrolled { padding: 1rem 2rem; }
}

/* ---------- HERO ---------- */
.hero {
  padding: 14rem 8rem 11rem;
  text-align: center;
  border-bottom: 0.1rem solid var(--line-soft);
  background: var(--bg);
}
.hero__visual {
  width: 100%;
  max-width: 112rem;
  margin: 0 auto 6.4rem;
  aspect-ratio: 21 / 9;
  position: relative;
  overflow: hidden;
  background: #1a1714 url('https://picsum.photos/seed/weddingmovie/1600/900') center/cover no-repeat;
}
.hero__visual::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(107, 100, 90, 0.25), rgba(77, 70, 64, 0.15));
  pointer-events: none;
}
.hero__title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(4.4rem, 5vw, 6.6rem);
  letter-spacing: 0.03em;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 1.8rem;
}
.hero__sub {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.4rem;
  letter-spacing: 0.3em;
  color: var(--ink-2);
  margin-bottom: 1.4rem;
}
.hero__squiggle {
  width: 14rem; height: 0.8rem;
  margin: 0 auto 3.6rem;
  display: block;
}
.hero__squiggle path {
  fill: none; stroke: var(--brand); stroke-width: 1.4; stroke-linecap: round;
}
.hero__desc {
  max-width: 56rem; margin: 0 auto;
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  font-size: 1.4rem; line-height: 2.2;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

@media (max-width: 768px) {
  .hero { padding: 12rem 2rem 7.2rem; }
  .hero__visual { aspect-ratio: 4/3; margin-bottom: 3.6rem; }
  .hero__title { font-size: clamp(3.8rem, 11vw, 5.6rem); }
  .hero__squiggle { margin-bottom: 2.4rem; }
  .hero__desc br { display: none; }
}

/* ---------- TABS ---------- */
.tabs-wrap {
  padding: 0 8rem;
  background: var(--bg);
}
.tabs {
  max-width: 78rem;
  margin: 0 auto;
  display: flex; justify-content: center;
  border-bottom: 0.1rem solid var(--line);
  position: relative;
}
.tabs__item {
  flex: 0 0 auto;
  padding: 1.8rem 4.6rem 2rem;
  background: none; border: 0;
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  font-family: inherit;
  transition: color 0.3s ease;
  position: relative;
  color: var(--ink-3);
}
.tabs__item:hover { color: var(--ink-2); }
.tabs__item[aria-selected="true"] { color: var(--ink); }
.tabs__item-en {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 2.2rem; letter-spacing: 0.2em;
}
.tabs__item-ja {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.1rem; letter-spacing: 0.28em;
}
.tabs__indicator {
  position: absolute;
  bottom: -0.1rem; left: 0;
  height: 0.2rem;
  background: var(--brand);
  transition: left 0.45s cubic-bezier(0.6, 0.05, 0.2, 1),
              width 0.45s cubic-bezier(0.6, 0.05, 0.2, 1);
}

@media (max-width: 768px) {
  .tabs-wrap { padding: 0 1.6rem; }
  .tabs__item { padding: 1.4rem 1.4rem 1.6rem; flex: 1; }
  .tabs__item-en { font-size: 1.5rem; letter-spacing: 0.14em; }
  .tabs__item-ja { font-size: 0.9rem; letter-spacing: 0.2em; }
}

/* ---------- PANEL + SECTION HEADER ---------- */
.panel {
  display: none;
  animation: panel-in 0.55s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.panel.is-active { display: block; }

@keyframes panel-in {
  from { opacity: 0; transform: translateY(1.4rem); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-header {
  padding: 8.8rem 8rem 4.4rem;
  text-align: center;
  background: var(--bg);
}
.section-header__eyebrow {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.2rem; letter-spacing: 0.45em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-header__title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: clamp(3.2rem, 4vw, 4.6rem);
  letter-spacing: 0.06em;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 0.6rem;
}
.section-header__title-ja {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.3rem; letter-spacing: 0.3em;
  color: var(--ink-2);
  margin-bottom: 3rem;
}
.section-header__desc {
  max-width: 58rem;
  margin: 0 auto;
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  font-size: 1.4rem; line-height: 2.1;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}

@media (max-width: 768px) {
  .section-header { padding: 5.2rem 2rem 2.8rem; }
}

/* ---------- GRID ---------- */
.grid-wrap {
  padding: 1.2rem 8rem 12rem;
  background: var(--bg);
}
.grid {
  max-width: 128rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5.6rem 4rem;
}

@media (max-width: 1024px) {
  .grid-wrap { padding: 1.2rem 4rem 9rem; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 4.8rem 3.2rem; }
}
@media (max-width: 640px) {
  .grid-wrap { padding: 0 1.6rem 7.2rem; }
  .grid { grid-template-columns: 1fr; gap: 4rem; }
}

.card {
  display: flex; flex-direction: column;
  opacity: 0; transform: translateY(2rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.card.is-in { opacity: 1; transform: translateY(0); }

.card__frame {
  position: relative;
  width: 100%; aspect-ratio: 16/9;
  background: #1a1714;
  overflow: hidden;
  cursor: pointer;
  display: block;
  padding: 0;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
}
.card__frame iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.card__frame.is-playing iframe { opacity: 1; }

.card__thumb {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.35s ease;
}
.card:hover .card__thumb,
.card__frame:focus-visible .card__thumb { transform: scale(1.04); }
.card__frame.is-playing .card__thumb { opacity: 0; pointer-events: none; }
.card__thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.35) 100%);
}

.card__play {
  position: absolute;
  left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 6.4rem; height: 6.4rem;
  border: 0.15rem solid rgba(255,255,255,0.9);
  border-radius: 50%;
  background: rgba(0,0,0,0.2);
  backdrop-filter: blur(0.6rem);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.35s ease;
  pointer-events: none;
}
.card:hover .card__play,
.card__frame:focus-visible .card__play {
  background: rgba(255,255,255,0.95);
  border-color: transparent;
  transform: translate(-50%, -50%) scale(1.08);
}
.card__play::before {
  content: '';
  width: 0; height: 0;
  border-left: 1.4rem solid #fff;
  border-top: 0.9rem solid transparent;
  border-bottom: 0.9rem solid transparent;
  margin-left: 0.4rem;
  transition: border-left-color 0.35s ease;
}
.card:hover .card__play::before,
.card__frame:focus-visible .card__play::before { border-left-color: var(--brand); }
.card__frame.is-playing .card__play { display: none; }

.card__duration {
  position: absolute;
  right: 1rem; bottom: 1rem;
  padding: 0.3rem 1rem;
  background: rgba(0,0,0,0.72);
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem; letter-spacing: 0.15em;
  z-index: 1;
}
.card__frame.is-playing .card__duration { display: none; }

.card__meta {
  margin-top: 2rem;
  display: flex; flex-direction: column; gap: 0.4rem;
}
.card__title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  font-size: 2.2rem; letter-spacing: 0.06em;
  color: var(--ink);
  line-height: 1.3;
}
.card__title-ja {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.1rem; letter-spacing: 0.2em;
  color: var(--ink-2);
}
.card__time {
  margin-top: 0.6rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem; letter-spacing: 0.15em;
  color: var(--ink-3);
  display: flex; align-items: center; gap: 0.8rem;
}
.card__time::before {
  content: ''; width: 0.6rem; height: 0.6rem;
  border-radius: 50%;
  border: 0.1rem solid var(--accent);
  display: inline-block;
}

/* ---------- CLOSING ---------- */
.closing {
  padding: 9rem 8rem;
  text-align: center;
  border-top: 0.1rem solid var(--line-soft);
  background: var(--paper);
}
.closing__quote {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2.4rem, 3vw, 3.4rem);
  letter-spacing: 0.05em;
  color: var(--ink);
  margin-bottom: 1.2rem;
}
.closing__ja {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.2rem; letter-spacing: 0.3em;
  color: var(--ink-2);
}

@media (max-width: 768px) {
  .closing { padding: 5.6rem 2.4rem; }
}

/* ---------- FOOTER ---------- */
.site-footer {
  padding: 4.2rem 2.4rem 3.2rem;
  background: var(--paper);
  border-top: 0.1rem solid var(--line);
  text-align: center;
}
.site-footer__logo {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.6rem; letter-spacing: 0.1em;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.site-footer__tag {
  font-family: 'Shippori Mincho', serif;
  font-size: 1rem; letter-spacing: 0.3em;
  color: var(--ink-2);
  margin-bottom: 2rem;
}
.site-footer__copy {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem; letter-spacing: 0.25em;
  color: var(--ink-3);
}