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

:root {
  --void:   #0d0e10;
  --navy:   #1a1f2e;
  --iron:   #2c2c2c;
  --walnut: #8b5e3c;
  --warm:   #c49a6c;
  --fog:    #f0ede8;
  --white:  #fafaf8;
  --mist:   #9a9890;
}

html { scroll-behavior: auto; }

body {
  background: var(--void);
  color: var(--fog);
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-weight: 300;
  overflow-x: hidden;
  padding-bottom: 56px;
}

img, video { -webkit-user-select:none; user-select:none; -webkit-user-drag:none; pointer-events:none; }
button, a { pointer-events: auto; }

/* ════════════════════════════
   INTRO VIDEO MODAL
════════════════════════════ */
.intro-video {
  position: fixed; inset: 0; z-index: 2000;
  background: var(--void);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 1.1s ease;
}
.intro-video.fading { opacity: 0; pointer-events: none; }
.intro-video.hidden { display: none; }
.intro-video video {
  width: 100%; height: 100%;
  object-fit: cover;
}
.intro-skip {
  position: absolute; top: 20px; right: 20px;
  background: rgba(255,255,255,.08);
  border: 0.5px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.6);
  font-family: 'Cormorant Garamond', serif;
  font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
  padding: 7px 14px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.intro-skip:hover { color: #fff; border-color: rgba(255,255,255,.5); }
.intro-tap-hint {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px;
  background: rgba(0,0,0,.4);
  cursor: pointer;
  color: rgba(255,255,255,.85);
  font-family: 'Cormorant Garamond', serif;
  font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
}
.intro-tap-hint svg { width: 48px; height: 48px; }
.intro-tap-hint.hidden { display: none; }

/* body scroll lock while intro playing */
body.intro-locked { overflow: hidden; }

/* ════════════════════════════
   FLOATING SHARE BUTTON
════════════════════════════ */
.fab-wrap {
  position: fixed;
  top: 20px; right: 20px;
  z-index: 900;
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 8px;
}
body.modal-open .fab-wrap { display: none; }
.fab-main {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(13,14,16,.75);
  backdrop-filter: blur(12px);
  border: 0.5px solid rgba(255,255,255,.18);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  transition: background .2s, border-color .2s;
}
.fab-main:hover { background: rgba(30,30,30,.9); border-color: rgba(255,255,255,.4); }
.fab-main svg { width: 16px; height: 16px; }
.fab-items {
  display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
  opacity: 0; pointer-events: none;
  transform: translateY(-8px);
  transition: opacity .25s, transform .25s;
}
.fab-items.open { opacity: 1; pointer-events: all; transform: none; }
.fab-items:not(.open) .fab-item { pointer-events: none; }
.fab-item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  background: rgba(13,14,16,.85);
  backdrop-filter: blur(12px);
  border: 0.5px solid rgba(255,255,255,.15);
  border-radius: 24px;
  color: rgba(255,255,255,.65);
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
  cursor: pointer; white-space: nowrap;
  transition: background .2s, color .2s;
}
.fab-item:hover { background: rgba(50,50,50,.95); color: #fff; }
.fab-item svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ════════════════════════════
   SECTION 共通
════════════════════════════ */
.section {
  min-height: 100vh;
  position: relative;
}

/* ════════════════════════════
   1. CONCEPT（最上部）
════════════════════════════ */
.sec-concept {
  position: relative;
  background: var(--iron);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 8vw 80px;
  min-height: 100vh;
  overflow: hidden;
}
.concept-bg {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  left: auto;
  width: 40%; height: 100%;
  object-fit: cover;
  object-position: center center;
  opacity: .55;
  pointer-events: none;
}
/* 継ぎ目グラデーション */
.sec-concept::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  right: 20%; left: 40%;
  background: linear-gradient(to right, var(--iron) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
.concept-tag {
  font-family: 'Cormorant Garamond', serif;
  font-size: 10px; letter-spacing: .45em; text-transform: uppercase;
  color: rgba(255,255,255,.4); margin-bottom: 24px;
  position: relative; z-index: 1;
}
.concept-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(36px, 8vw, 68px);
  font-weight: 200; line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--fog);
  margin-bottom: 40px;
  position: relative; z-index: 1;
}
.concept-title em {
  font-style: italic; color: var(--warm);
}
.concept-body {
  max-width: 480px;
  font-size: 14px; line-height: 2.2;
  color: rgba(255,255,255,.45);
  border-left: 1px solid rgba(255,255,255,.15);
  padding-left: 20px;
  position: relative; z-index: 1;
}
.concept-illust {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 45vw;
  object-fit: cover;
  opacity: .12;
}

/* ════════════════════════════
   2. GALLERY（ピンタレスト風）
════════════════════════════ */
.sec-gallery {
  background: var(--iron);
  padding: 80px 4vw;
}
.gallery-hd {
  max-width: 1200px; margin: 0 auto 40px;
}
.gallery-tag {
  font-family: 'Cormorant Garamond', serif;
  font-size: 10px; letter-spacing: .4em; text-transform: uppercase;
  color: rgba(255,255,255,.3); margin-bottom: 10px;
}
.gallery-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 200; font-style: italic; color: var(--fog);
}
.masonry {
  max-width: 1200px; margin: 0 auto;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.masonry-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-width: 0;
}
.masonry-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.masonry-item img,
.masonry-item video {
  width: 100%;
  height: auto;
  display: block;
  transition: filter .4s;
  filter: brightness(.85);
  pointer-events: none;
}
.masonry-item:hover img,
.masonry-item:hover video { filter: brightness(1); }
.masonry-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 32px 14px 12px;
  background: linear-gradient(to top, rgba(0,0,0,.6), transparent);
  font-size: 11px; letter-spacing: .15em;
  color: rgba(255,255,255,.7);
  display: flex; align-items: flex-end; justify-content: space-between;
}
.masonry-before-badge {
  font-size: 9px; letter-spacing: .3em; text-transform: uppercase;
  border: 0.5px solid rgba(255,255,255,.35);
  padding: 3px 8px;
  color: rgba(255,255,255,.6);
}

/* Gallery Modal */
.g-modal {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(10,10,10,.95);
  display: none; align-items: center; justify-content: center;
}
.g-modal.open { display: flex; }
.g-modal-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px; max-width: 92vw; max-height: 90vh;
}
.g-modal-img {
  width: 100%; height: 100%;
  object-fit: cover;
  max-height: 85vh;
  display: block;
  pointer-events: none;
}
.g-modal-label {
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 16px;
}
.g-modal-badge {
  font-family: 'Cormorant Garamond', serif;
  font-size: 9px; letter-spacing: .3em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
  border: 0.5px solid rgba(255,255,255,.2);
  padding: 4px 12px;
}
.g-modal-close {
  position: fixed; top: 20px; right: 24px;
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,.4); font-size: 11px;
  letter-spacing: .3em; text-transform: uppercase;
  font-family: inherit;
}
.g-modal-close:hover { color: #fff; }

/* ════════════════════════════
   3. 一問一答
════════════════════════════ */
.sec-qa {
  background: var(--navy);
  padding: 80px 8vw;
}
.qa-hd {
  margin-bottom: 56px;
}
.qa-tag {
  font-family: 'Cormorant Garamond', serif;
  font-size: 10px; letter-spacing: .4em; text-transform: uppercase;
  color: rgba(255,255,255,.3); margin-bottom: 10px;
}
.qa-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 200; font-style: italic; color: var(--fog);
}
.qa-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 2px;
}
.qa-card {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  padding: 32px 28px;
  cursor: pointer;
  transition: background .3s;
  position: relative;
  overflow: hidden;
}
.qa-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--warm);
  transform: scaleX(0); transform-origin: left;
  transition: transform .5s cubic-bezier(.22,1,.36,1);
}
.qa-card:hover { background: rgba(255,255,255,.06); }
.qa-card:hover::after { transform: scaleX(1); }
.qa-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px; font-weight: 200;
  color: rgba(255,255,255,.06);
  line-height: 1; margin-bottom: 16px;
}
.qa-card-title {
  font-size: 14px; font-weight: 400;
  letter-spacing: .08em; color: var(--fog);
  line-height: 1.7; margin-bottom: 12px;
}
.qa-card-hint {
  font-size: 11px; color: rgba(255,255,255,.3);
  letter-spacing: .1em;
}
.qa-arrow {
  position: absolute; bottom: 24px; right: 24px;
  color: var(--warm); font-size: 16px;
  transition: transform .3s;
}
.qa-card:hover .qa-arrow { transform: translateX(4px); }

/* QA Modal */
.qa-modal {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(10,10,12,.96);
  display: none; align-items: center; justify-content: center;
  padding: 52px 5vw 24px;
}
.qa-modal.open { display: flex; }
.qa-modal-inner {
  width: 100%; max-width: 640px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}
.qa-modal-inner::-webkit-scrollbar { display: none; }
.qa-modal-topic {
  font-family: 'Cormorant Garamond', serif;
  font-size: 10px; letter-spacing: .4em; text-transform: uppercase;
  color: var(--warm); margin-bottom: 8px;
}
.qa-modal-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 200; font-style: italic; color: var(--fog);
  margin-bottom: 36px; padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.dialogue { display: flex; flex-direction: column; gap: 20px; }
.dialogue-line {
  display: flex; gap: 14px; align-items: flex-start;
}
.dialogue-line.wife { flex-direction: row; }
.dialogue-line.husband { flex-direction: row-reverse; }
.dialogue-speaker {
  font-size: 10px; letter-spacing: .2em;
  color: rgba(255,255,255,.3); flex-shrink: 0;
  width: 32px; text-align: center;
  padding-top: 4px;
}
.dialogue-bubble {
  background: rgba(255,255,255,.06);
  border-radius: 2px;
  padding: 12px 16px;
  font-size: 14px; line-height: 1.9;
  color: rgba(255,255,255,.8);
  max-width: 80%;
}
.dialogue-line.husband .dialogue-bubble {
  background: rgba(196,154,108,.12);
}
.qa-modal-close {
  position: fixed; top: 16px; right: 24px;
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,.4);
  font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
  font-family: inherit;
}
.qa-modal-close:hover { color: #fff; }

.qa-nav-arrow {
  position: fixed; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 0.5px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.5);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s, border-color .2s;
  z-index: 10;
}
.qa-nav-arrow:hover { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.4); }
.qa-nav-arrow svg { width: 18px; height: 18px; }
.qa-nav-prev { left: 16px; }
.qa-nav-next { right: 16px; }

.qa-modal-count {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-family: 'Cormorant Garamond', serif;
  font-size: 11px; letter-spacing: .25em;
  color: rgba(255,255,255,.3);
  text-align: center;
}

@media(max-width: 640px) {
  .qa-nav-arrow { width: 38px; height: 38px; }
  .qa-nav-prev { left: 6px; }
  .qa-nav-next { right: 6px; }
}

/* ════════════════════════════
   FOOTER（追尾・半透明）
════════════════════════════ */
.site-footer {
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: 150;
  background: rgba(13,14,16,.55);
  backdrop-filter: blur(10px);
  border-top: 0.5px solid rgba(255,255,255,.08);
  padding: 12px 8vw;
  display: flex; align-items: center; justify-content: space-between;
}
.footer-brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px; font-weight: 300; letter-spacing: .2em;
  color: rgba(255,255,255,.35);
}
.footer-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  font-size: 10px; letter-spacing: .15em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
  border: 0.5px solid rgba(255,255,255,.16);
  background: none; cursor: pointer;
  transition: color .2s, border-color .2s;
  font-family: 'Zen Kaku Gothic New', sans-serif;
}
.footer-btn:hover { color: #fff; border-color: rgba(255,255,255,.4); }
.footer-btn svg { width: 12px; height: 12px; flex-shrink: 0; }

/* ════════════════════════════
   SCROLL REVEAL
════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity .9s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1);
}
.reveal.visible { opacity: 1; transform: none; }
.d1{transition-delay:.1s}.d2{transition-delay:.22s}.d3{transition-delay:.34s}

/* ════════════════════════════
   AUTO SCROLL OVERLAY
════════════════════════════ */
.autoscroll-overlay {
  position: fixed; inset: 0; z-index: 1000;
  pointer-events: none;
}

@media(max-width:640px){
  .qa-cards { grid-template-columns: 1fr; }
  .concept-illust { display: none; }
}