/* ピエニ コティ プロジェクト LP
   トーン：穏やかでゆったり／打ち出さず余韻を残す
   デザイン方針：余白を大きく、コントラストを下げ、明朝で組む。
                 装飾はヘアラインのみ。動きは最小限。
   対応：スマホ優先。PCは破綻しない程度に。 */

:root {
  --color-bg: #f7f4ee;
  --color-bg-quiet: #efeae0;
  --color-bg-deep: #e9e3d7;
  --color-ink: #2f2b25;
  --color-ink-sub: #7b7266;
  --color-line: #ddd5c6;
  --color-accent: #46503f;

  --font-serif: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --width-content: 560px;
  --width-video: 380px;
  --space-section: 6.5rem;
  --gutter: 1.75rem;
  --header-h: 3.5rem;
}

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

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

[id] { scroll-margin-top: calc(var(--header-h) + 1.5rem); }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 400;
  line-height: 2.3;
  letter-spacing: 0.09em;
  font-feature-settings: "palt" 1;
}

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

a { color: var(--color-accent); }

p { margin: 0 0 1.8rem; }

p:last-child { margin-bottom: 0; }

.small {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  line-height: 2;
  letter-spacing: 0.06em;
  color: var(--color-ink-sub);
}

/* --- 見出し（上にヘアライン。文字は張らない） ------------------------------ */

h2 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 2.1;
  letter-spacing: 0.16em;
  margin: 0 0 2.6rem;
  padding-top: 2.2rem;
  position: relative;
}

h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2.4rem;
  height: 1px;
  background: var(--color-line);
}

/* --- ヒーロー ------------------------------------------------------- */

.hero { padding: calc(var(--header-h) + 2.5rem) var(--gutter) 5rem; }

.video-frame { max-width: var(--width-video); margin: 0 auto; }

.video-player {
  position: relative;
  aspect-ratio: 9 / 16;
  background: #211e1a;
  overflow: hidden;
}

.video-player iframe,
.video-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.video-play {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 17, 14, 0.12);
  border: 0;
  cursor: pointer;
  transition: background 0.6s ease;
}

.video-play:hover,
.video-play:focus-visible { background: rgba(20, 17, 14, 0.24); }

.video-play[disabled] { cursor: default; }

.video-play-icon {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: 1px solid rgba(247, 244, 238, 0.85);
  background: transparent;
  position: relative;
  transition: background 0.6s ease;
}

.video-play:hover .video-play-icon { background: rgba(247, 244, 238, 0.12); }

.video-play-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 8px 0 8px 13px;
  border-color: transparent transparent transparent rgba(247, 244, 238, 0.9);
}

.video-note {
  margin: 1.1rem 0 0;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-ink-sub);
  text-align: center;
}

.hero-name { margin: 3.2rem 0 0; text-align: center; }

.hero-name-main {
  display: block;
  font-size: 0.98rem;
  letter-spacing: 0.32em;
  text-indent: 0.32em;
  line-height: 2.4;
}

.hero-name-sub {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  color: var(--color-ink-sub);
}

/* --- リード --------------------------------------------------------- */

.lead {
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 0 var(--gutter) var(--space-section);
  text-align: center;
  line-height: 2.7;
}

.lead p { margin-bottom: 2.2rem; }

/* --- セクション共通 --------------------------------------------------- */

.section {
  max-width: var(--width-content);
  margin: 0 auto;
  padding: var(--space-section) var(--gutter);
}

.section-quiet {
  max-width: none;
  background: var(--color-bg-quiet);
}

/* 背景色付きセクションは中身を .inner で受ける。
   子要素に直接 margin:auto を掛けると .notes 等の margin 指定に負ける。 */
.inner {
  /* .section は border-box なので、左右の余白ぶんを引いて
     通常セクションの本文と同じ位置・同じ幅に揃える */
  max-width: calc(var(--width-content) - var(--gutter) * 2);
  margin: 0 auto;
}

/* --- カルーセル ---------------------------------------------------------
   横スクロール＋スナップ。JSが無くても指でなぞれば全部見られる。
   矢印と丸印はJSが作る。 */

.carousel { margin: 0 0 3rem; }

.carousel-track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.carousel-track::-webkit-scrollbar { display: none; }

.carousel-slide {
  margin: 0;
  flex: 0 0 100%;
  scroll-snap-align: center;
}

.carousel-slide img { width: 100%; }

/* この場所の写真：3:2に揃えて切り抜く */
.carousel--place .carousel-slide img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ロフト：縦横が混在する。切り抜かず、地に敷いて受ける */
.carousel--loft .carousel-slide img {
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: var(--color-bg-deep);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  margin-top: 1.4rem;
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.carousel-dot {
  width: 7px;
  height: 7px;
  padding: 0;
  border: 1px solid var(--color-ink-sub);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background-color 0.5s ease, border-color 0.5s ease;
}

.carousel-dot.is-current {
  background: var(--color-ink-sub);
}

.carousel-arrow {
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--color-ink-sub);
  transition: color 0.5s ease, opacity 0.5s ease;
}

.carousel-arrow:hover:not([disabled]) { color: var(--color-ink); }

.carousel-arrow[disabled] { opacity: 0.25; cursor: default; }

.carousel-arrow::before {
  content: "";
  width: 9px;
  height: 9px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
}

.carousel-arrow[data-dir="prev"]::before { transform: rotate(-135deg); margin-left: 3px; }
.carousel-arrow[data-dir="next"]::before { transform: rotate(45deg); margin-right: 3px; }

@media (min-width: 768px) {
  .carousel-arrow { display: flex; }
}

/* --- 定義リスト（スペック・条件） ---------------------------------------- */

.spec {
  margin: 3rem 0 0;
  font-family: var(--font-sans);
  border-top: 1px solid var(--color-line);
}

.spec > div {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.82rem;
  line-height: 2;
  letter-spacing: 0.05em;
}

.spec dt {
  flex: 0 0 9em;
  color: var(--color-ink-sub);
  font-weight: 400;
}

.spec dd { margin: 0; flex: 1 1 11em; }

/* --- 箇条書き・手順 --------------------------------------------------- */

.notes {
  margin: 0 0 1.8rem;
  padding: 0;
  list-style: none;
}

.notes li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: 0.9rem;
  line-height: 2.1;
}

.notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1em;
  width: 0.7em;
  height: 1px;
  background: var(--color-line);
}

.steps {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 3em;
  margin-bottom: 1.4rem;
  line-height: 2.1;
}

.steps li::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--color-ink-sub);
}

/* --- 4本柱 ---------------------------------------------------------- */

.pillars { margin: 2.6rem 0 0; }

.pillars > div {
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--color-line);
}

.pillars > div:first-child { border-top: 1px solid var(--color-line); }

.pillars dt {
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  margin-bottom: 0.7rem;
}

.pillars dd {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  line-height: 2.1;
  letter-spacing: 0.05em;
  color: var(--color-ink-sub);
}

.pillars + .small { margin-top: 2rem; }

/* --- CTA（面で押さない。線と余白で見せる） -------------------------------- */

.cta-wrap { margin: 3.4rem 0 0; text-align: center; }

.cta {
  display: inline-block;
  max-width: 100%;
  padding: 1.15rem 2.2rem;
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: #f7f4ee;
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  border-radius: 0;
  transition: background 0.6s ease, color 0.6s ease;
}

.cta:hover, .cta:focus-visible {
  background: transparent;
  color: var(--color-accent);
}

.cta-sub {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-line);
}

.cta-sub:hover, .cta-sub:focus-visible {
  background: var(--color-accent);
  color: #f7f4ee;
  border-color: var(--color-accent);
}

.section-contact {
  max-width: none;
  background: var(--color-bg-deep);
  text-align: center;
  padding-top: 7rem;
  padding-bottom: 7rem;
}

.section-contact h2 { padding-top: 2.6rem; }

.section-contact h2::before { left: 50%; transform: translateX(-50%); }

/* --- 地図・フッター --------------------------------------------------- */

.map { line-height: 0; }

.map iframe { width: 100%; height: 340px; border: 0; display: block; filter: grayscale(0.35); }

.map-placeholder {
  height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  background: var(--color-line);
  color: var(--color-ink-sub);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  line-height: 1.9;
  letter-spacing: 0.06em;
}

.map-placeholder p { margin: 0; }

.footer {
  padding: 4.5rem var(--gutter);
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  line-height: 2.4;
  letter-spacing: 0.08em;
  color: var(--color-ink-sub);
}

.footer p { margin: 0; }

.footer a { color: var(--color-ink-sub); text-decoration: none; border-bottom: 1px solid var(--color-line); }

.footer-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.26em;
  text-indent: 0.26em;
  color: var(--color-ink);
  margin-bottom: 1.2rem !important;
}

/* --- 固定ヘッダー（ページ内の案内） ---------------------------------------
   最初は地の色に溶かし、スクロールすると薄く敷く。線は1本だけ。 */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: background-color 0.6s ease, border-color 0.6s ease;
}

.site-header.is-scrolled {
  background-color: rgba(247, 244, 238, 0.9);
  border-bottom-color: var(--color-line);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.site-header-inner {
  height: 100%;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-brand {
  position: relative;
  z-index: 2;
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-indent: 0.22em;
  text-decoration: none;
  color: var(--color-ink);
  white-space: nowrap;
}

/* --- ハンバーガー（線2本だけ） ------------------------------------------ */

.nav-toggle {
  position: relative;
  z-index: 2;
  width: 2.4rem;
  height: 2.4rem;
  margin-right: -0.6rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 0;
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.3rem;
  height: 1px;
  background: var(--color-ink);
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.nav-toggle-bars { background: transparent; position: relative; }
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle-bars::before { top: -4px; }
.nav-toggle-bars::after { top: 4px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-4px) rotate(-45deg); }

/* --- ナビ（スマホ：全面パネル） ------------------------------------------ */

.site-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--color-ink);
  transition: color 0.4s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible { color: var(--color-accent); }

@media (max-width: 1023px) {
  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
  }

  .site-nav.is-open { opacity: 1; visibility: visible; }

  .site-nav ul { text-align: center; }

  .site-nav li + li { margin-top: 1.6rem; }

  .site-nav a {
    font-family: var(--font-serif);
    font-size: 0.98rem;
    letter-spacing: 0.16em;
    text-indent: 0.16em;
  }
}

/* --- ナビ（PC：横並び） ------------------------------------------------- */

@media (min-width: 1024px) {
  .nav-toggle { display: none; }

  .site-nav ul {
    display: flex;
    align-items: center;
    gap: 1.6rem;
  }
}

.nav-open, .nav-open body { overflow: hidden; }

/* --- 現れ方（静かに1度だけ） ------------------------------------------- */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1.4s ease, transform 1.4s ease;
}

.js .reveal.is-visible { opacity: 1; transform: none; }

/* --- PC ------------------------------------------------------------- */

@media (min-width: 768px) {
  :root {
    --header-h: 4.25rem;
    --space-section: 9rem;
    --width-content: 600px;
    --width-video: 400px;
  }
  body { font-size: 16px; }
  h2 { font-size: 1.15rem; }
  .hero { padding-top: 5.5rem; padding-bottom: 7rem; }
  .cta { padding: 1.25rem 3rem; }
  .gallery { gap: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}