/* ==========================================================================
   SAUNA WORKS LP
   明るいヒノキ基調 + チャコール×熾火(エンバー)アクセント
   和の高級感: 見出しは Shippori Mincho、英字・数字は Cormorant Garamond(セリフ体)
   ========================================================================== */

:root {
  /* 宿-SHUKU-参照: 生成り1トーン+墨、金茶の控えめなアクセント */
  --paper: #eae6db;
  --hinoki: #e2dbca;
  --hinoki-deep: #d5c9b0;
  --ink: #3b352b;
  --ink-soft: #7c7263;
  --charcoal: #29241c;
  --charcoal-soft: #332d23;
  --green: #2f5d45;
  --green-deep: #234a36;
  --ember: #8a6c48;
  --ember-deep: #6e5535;
  --ember-light: #c9ac7c;
  --line-green: #06c755;
  --line-green-deep: #05ad4a;
  --white: #ffffff;
  --line-color: rgba(59, 53, 43, 0.16);
  --line-color-dark: rgba(255, 255, 255, 0.18);
  --radius: 0px;
  --frame: clamp(12px, 2.2vw, 26px);
  --shadow: 0 18px 44px -30px rgba(45, 40, 30, 0.4);
  --section-pad: clamp(4.5rem, 9vw, 9.5rem);
  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  /* 明朝はNoto Serif JP(200〜500)。見出し・大数字400、小サイズ500、縦ラベル200 */
  --font-mincho: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-en: "Cormorant Garamond", "Times New Roman", serif;
  /* 価格などの数字用: Cormorantのオールドスタイル数字は判読しづらいため和文明朝で表示 */
  --font-num: var(--font-mincho);
  --font-mincho-thin: var(--font-mincho);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 2.05;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}

/* ページ全体にごく薄い紙の質感を重ねる(宿-SHUKU-参照) */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  background: url("assets/paper-grain.png") repeat;
  background-size: 160px;
  opacity: 0.05;
  mix-blend-mode: multiply;
}

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

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-mincho);
  font-weight: 400;
  font-feature-settings: "palt";
  line-height: 1.5;
  letter-spacing: 0.06em;
}

/* 読み込みレンジ(200〜500)外の擬似太字合成を無効化し、700級の太字を出さない */
body {
  font-synthesis-weight: none;
}

p {
  margin: 0;
}

ul,
ol,
dl,
dd,
figure {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.pc-only {
  display: none;
}

.nobr {
  white-space: nowrap;
}

@media (min-width: 768px) {
  .pc-only {
    display: inline;
  }
}

/* --------------------------------------------------------------------------
   共通パーツ
   -------------------------------------------------------------------------- */

/* 英語見出し: 明朝と調和するセリフ体。細めのウェイトと広い字間で品よく */
.en-label {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 1.1rem;
  line-height: 1;
}

/* セクション見出しでは、薄い色で背景に大きく敷く装飾タイポとして使用 */
/* 見出しの英字は巨大な装飾ではなく、和文の下に小さく添える(宿-SHUKU-参照) */
.section-heading .en-label {
  order: 2;
  margin: 1rem 0 0;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.46em;
  text-indent: 0.46em;
  text-align: center;
  white-space: nowrap;
  color: var(--ember);
}

.section-heading-left .en-label {
  text-align: left;
  text-indent: 0;
}

.section-heading h2,
.section-heading .section-lead {
  position: relative;
  z-index: 1;
}

.en-label-light {
  color: rgba(255, 255, 255, 0.9);
}

.en-label-green {
  color: var(--ember-light);
}

.section {
  padding-block: var(--section-pad);
}

.section-hinoki {
  background: var(--hinoki);
}

.section-heading {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 52rem;
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-heading h2 {
  position: relative;
  order: 1;
  font-size: clamp(1.5rem, 2.9vw, 2.15rem);
  font-weight: 400;
  letter-spacing: 0.16em;
}

.section-lead {
  order: 3;
  margin-top: 1.6rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.section-heading-left {
  text-align: left;
  align-items: flex-start;
  margin-inline: 0;
}

.section-cta {
  text-align: center;
  margin-top: clamp(2.5rem, 5vw, 3.75rem);
}

.section-cta-left {
  text-align: left;
}

.note {
  margin-top: 2.25rem;
  font-size: 0.8rem;
  line-height: 1.9;
  color: #57504a;
  text-align: center;
}

.note-dark {
  color: rgba(255, 255, 255, 0.72);
  text-align: left;
}

/* テキストリンクCTA(LINEボタンの乱発を避け、控えめな導線に使う) */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ember);
  border-bottom: 1.5px solid currentColor;
  padding-bottom: 0.2em;
  transition: color 0.2s ease, gap 0.2s ease;
}

.link-arrow::after {
  content: "→";
  font-family: var(--font-en);
  font-weight: 700;
}

.link-arrow:hover {
  color: var(--ember-deep);
  gap: 0.8em;
}

.microcopy {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 1rem;
}

/* ボタン */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 1.05em 2.4em;
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease,
    transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-line {
  background: var(--line-green);
  color: var(--white);
  box-shadow: 0 14px 28px -14px rgba(6, 199, 85, 0.6);
}

.btn-line:hover {
  background: var(--line-green-deep);
}

.btn-solid {
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 14px 28px -16px rgba(36, 31, 24, 0.65);
}

.btn-solid:hover {
  background: var(--charcoal);
}

.btn-lg {
  padding: 1.2em 2.7em;
  font-size: 1.02rem;
}

.line-icon {
  width: 1.35em;
  height: 1.35em;
  fill: currentColor;
  flex-shrink: 0;
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.85);
}

.btn-outline {
  border-color: rgba(36, 31, 24, 0.35);
  color: var(--ink);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--ink);
  background: rgba(36, 31, 24, 0.04);
}

.btn-wide {
  width: 100%;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* チェックリスト */

.check-list li {
  position: relative;
  padding-left: 1.9rem;
  margin-bottom: 0.85rem;
  font-size: 0.95rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 1.05rem;
  height: 0.55rem;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  opacity: 0.9;
}

/* スクロール表示 */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

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

/* --------------------------------------------------------------------------
   ヘッダー
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 60;
  color: var(--white);
  transition: background-color 0.35s ease, color 0.35s ease, box-shadow 0.35s ease;
}

.header-inner {
  max-width: 1240px;
  margin-inline: auto;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-header.scrolled {
  background: rgba(234, 230, 219, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line-color);
}

.brand {
  display: inline-flex;
  align-items: center;
}

/* テキストロゴ: サンセリフ+広い字間 */
.brand-text {
  font-family: var(--font-jp);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  line-height: 1;
  white-space: nowrap;
  color: currentColor;
}

.header-nav {
  display: none;
  margin-left: auto;
  gap: 2.1rem;
  font-family: var(--font-mincho);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.18em;
}

.header-nav a {
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.header-nav a:hover {
  opacity: 1;
}

.btn-header {
  margin-left: auto;
  padding: 0.8em 1.6em;
  font-size: 0.85rem;
  white-space: nowrap;
}

.brand {
  white-space: nowrap;
}

@media (max-width: 480px) {
  .header-inner {
    gap: 0.6rem;
    padding-block: 0.8rem;
    padding-inline: 1rem;
  }
  .brand-text {
    font-size: 0.98rem;
    letter-spacing: 0.14em;
  }
  .btn-header {
    padding: 0.75em 0.9em;
    font-size: 0.78rem;
  }
}

/* モバイル用ハンバーガーメニュー */
.nav-toggle {
  display: inline-flex;
  flex-shrink: 0;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.6rem;
  height: 2.6rem;
  padding: 0.6rem;
  border: none;
  background: transparent;
  cursor: pointer;
  color: currentColor;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  background: rgba(234, 230, 219, 0.98);
  color: var(--ink);
  border-bottom: 1px solid var(--line-color);
  box-shadow: 0 18px 32px -22px rgba(23, 20, 15, 0.4);
}

.mobile-nav a {
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
  font-family: var(--font-mincho);
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  border-top: 1px solid var(--line-color);
}

/* SPはフッター固定CTAにLINEがあるため、ヘッダーのLINEボタンは非表示 */
@media (max-width: 899px) {
  .btn-header {
    display: none;
  }
  .nav-toggle {
    margin-left: auto;
  }
}

@media (min-width: 900px) {
  .header-nav {
    display: flex;
  }
  .btn-header {
    margin-left: 0;
  }
  .nav-toggle,
  .mobile-nav {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   01 HERO
   -------------------------------------------------------------------------- */

/* 写真の外周に生成りのフレームを残す「額装」構成(宿-SHUKU-参照) */
.hero {
  position: relative;
  min-height: 94svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--white);
  background: var(--paper);
  overflow: hidden;
}

/* ヒーロー: 背景写真をクロスフェードで自動切り替え(script.js) */
.hero-media {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  opacity: 0;
  transition: opacity 1.6s ease;
}

/* モバイルは合成画像の左側(バレル)を主役に見せる */
@media (max-width: 767px) {
  .hero-slide:first-child {
    object-position: 24% 55%;
  }
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-slide:nth-child(3) {
  object-position: 42% 60%;
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    transition: none;
  }
}

/* スライダー操作(ドット+一時停止) */
.hero-slider-nav {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 1.1rem;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.hero-dot {
  width: 0.55rem;
  height: 0.55rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background 0.25s ease;
}

.hero-dot.is-active {
  background: var(--white);
}

.hero-pause {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  margin-left: 0.2rem;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  background: rgba(13, 11, 8, 0.35);
  color: var(--white);
  font-size: 0.62rem;
  line-height: 1;
  cursor: pointer;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
      to top,
      rgba(13, 11, 8, 0.82) 0%,
      rgba(13, 11, 8, 0.35) 42%,
      rgba(13, 11, 8, 0.12) 70%
    ),
    linear-gradient(105deg, rgba(13, 11, 8, 0.66) 0%, rgba(13, 11, 8, 0.18) 58%, transparent 85%);
}

/* フィルムグレイン(ダークセクション共通の質感) */
.hero::after,
.price-section::after,
.contact-section::after {
  content: "";
  position: absolute;
  inset: var(--frame);
  z-index: 3;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.09;
  mix-blend-mode: overlay;
}

/* ヒーローは額装をやめて全面表示 */
.hero::after {
  inset: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: clamp(8rem, 18vh, 12rem);
  padding-bottom: clamp(4rem, 10vh, 7rem);
}

/* SPのFVは余白と要素サイズを詰めてバランスを取る */
@media (max-width: 767px) {
  .hero-content {
    padding-top: clamp(6rem, 12vh, 8rem);
    padding-bottom: 4rem;
  }
  .hero-lead {
    margin-top: 1rem;
    font-size: 0.92rem;
  }
  .hero .button-row {
    margin-top: 1.5rem;
    gap: 0.7rem;
  }
  .hero .btn-lg {
    padding: 1em 1.6em;
    font-size: 0.95rem;
  }
}

.hero h1 {
  font-size: clamp(1.56rem, 5.6vw, 3.7rem);
  font-weight: 400;
  line-height: 1.52;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 24px rgba(13, 11, 8, 0.45);
}

/* 「国産ヒノキのサウナルームを、」が1行に収まるように */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.32rem;
    letter-spacing: 0.04em;
  }
}

.hero-lead {
  margin-top: 1.4rem;
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.92);
}

/* 見出し内の(税込)注記 */
.hero-h1-note {
  font-size: 0.5em;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.85);
  margin-inline: 0.1em;
}

.hero .button-row {
  margin-top: 1.9rem;
}

.hero .microcopy {
  padding-bottom: clamp(1.5rem, 4vh, 2.5rem);
}

/* --------------------------------------------------------------------------
   パートナー・取扱ブランド帯
   -------------------------------------------------------------------------- */

.partner-band {
  background: var(--paper);
  border-bottom: 1px solid var(--line-color);
  padding-block: 1.9rem;
}

.partner-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.partner-label {
  font-family: var(--font-en);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--ink-soft);
  white-space: nowrap;
}

.partner-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.5rem clamp(2rem, 5vw, 4rem);
}

.partner-logos figure {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.partner-logos img {
  height: 44px;
  width: auto;
}

/* 白1色のロゴ(信濃サウナ・ブロスサウナ)は明るい背景では反転して黒で表示 */
.partner-logos img.partner-logo-invert {
  height: 56px;
  filter: invert(1);
}

/* 横長ワードマークは高さを抑えてバランスを取る */
.partner-logos img.partner-logo-wide {
  height: 26px;
}

.partner-logos figcaption {
  font-size: 0.7rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

@media (min-width: 800px) {
  .partner-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* --------------------------------------------------------------------------
   質感ビジュアル
   -------------------------------------------------------------------------- */

/* 背景に日本の森の写真を敷き、黒のベールを重ねて白文字で見せる */
.texture {
  position: relative;
  padding-block: clamp(2.75rem, 7vw, 6rem);
  background: url("assets/shinano/forest-dark.webp") center 55% / cover no-repeat;
  color: var(--white);
}

.texture::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 13, 10, 0.7);
}

.texture > .container {
  position: relative;
  z-index: 1;
}

.texture .en-label {
  color: var(--ember-light);
}

.texture .section-lead {
  color: rgba(255, 255, 255, 0.82);
}

.texture-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
}

.texture-item {
  position: relative;
}

.texture-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.texture-item figcaption {
  margin-top: 0.9rem;
  font-family: var(--font-mincho);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: inherit;
}

/* 写真の余白に縦組みの和文ラベルを重ね、視線の流れをつくる。 */
.texture-vertical-label {
  position: absolute;
  top: 1rem;
  right: 1.1rem;
  margin: 0;
  padding: 0.72rem 0.38rem;
  writing-mode: vertical-rl;
  font-family: var(--font-mincho-thin);
  font-size: clamp(0.78rem, 1.3vw, 0.98rem);
  font-weight: 200;
  letter-spacing: 0.24em;
  line-height: 1;
  color: var(--white);
  background: rgba(23, 20, 15, 0.5);
  border-inline-start: 1px solid rgba(201, 172, 124, 0.9);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

@media (min-width: 768px) {
  .texture-grid {
    grid-template-columns: 1fr 1.15fr 1fr;
    align-items: start;
  }
  .texture-item:nth-child(2) {
    margin-top: 3rem;
  }
}

/* --------------------------------------------------------------------------
   03 PROBLEM & SOLUTION
   -------------------------------------------------------------------------- */

.consultation-topics {
  display: grid;
  gap: 1.1rem;
  max-width: 30rem;
  margin-inline: auto;
}

.consultation-topic {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  padding: 1.35rem 1.45rem 1.45rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.consultation-topic:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.consultation-topic-head {
  display: flex;
  position: relative;
  z-index: 1;
  align-items: center;
  margin-bottom: 0.55rem;
}

.consultation-num {
  position: absolute;
  z-index: 0;
  top: -0.18em;
  right: 0.08em;
  font-family: var(--font-en);
  font-size: clamp(5rem, 10vw, 7.4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  color: rgba(59, 53, 44, 0.08);
  pointer-events: none;
}

.consultation-kicker {
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1;
  color: var(--ember);
}

.consultation-topic h3 {
  position: relative;
  z-index: 1;
  font-size: 1.22rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 0.45rem;
}

.consultation-topic > p:last-child {
  position: relative;
  z-index: 1;
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .consultation-topics {
    grid-template-columns: repeat(3, 1fr);
    max-width: 64rem;
    gap: 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   04 PRODUCTS
   -------------------------------------------------------------------------- */

.section-products {
  background: var(--paper);
  padding-top: clamp(4rem, 6vw, 5.5rem);
}

.section-products .section-heading {
  margin-bottom: clamp(2.25rem, 4vw, 3rem);
}

.section-products .section-heading + .product {
  padding-top: 0;
}

.product {
  display: grid;
  gap: 2.4rem;
  align-items: center;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.product + .product {
  border-top: 1px solid var(--line-color);
}

.product-media {
  position: relative;
}

/* 切り抜き(透過)写真のためトリミングせず実寸比で表示 */
.product-photo-main {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 16px 26px rgba(23, 20, 15, 0.16));
}

/* 縦長の切り抜きは高さを抑えて中央寄せ */
.product-media-portrait .product-photo-main {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: clamp(24rem, 44vw, 33rem);
  margin-inline: auto;
}

.product-copy {
  position: relative;
  isolation: isolate;
}

/* 商品番号だけを背景タイポグラフィにする */
.product-copy .en-label {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.product-index {
  position: absolute;
  z-index: 0;
  top: -0.14em;
  right: 0;
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(5.2rem, 9vw, 7.2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  color: rgba(59, 53, 44, 0.08);
  pointer-events: none;
}

.product-copy > :not(.product-index) {
  position: relative;
  z-index: 1;
}

.product-copy h3 {
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  font-weight: 400;
  margin-bottom: 1.2rem;
}

.product-copy h3 + p,
.product-copy p + p {
  font-size: 0.93rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}

.feature-list {
  margin-block: 1.4rem 1.8rem;
  display: grid;
  gap: 0.45rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.88rem;
  font-weight: 500;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.5rem;
  height: 2px;
  background: var(--ember);
}

.product-custom {
  margin-bottom: 1.8rem;
}

.product-custom-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 0.65rem;
}

.product-custom-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.product-custom-thumbs img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 3px;
}

/* ラベル付き(バレルのカスタマイズ例)は3列×2行 */
.product-custom-thumbs-labeled {
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem 0.5rem;
}

.product-custom-thumbs-labeled figure {
  margin: 0;
}

.product-custom-thumbs-labeled figcaption {
  margin-top: 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  text-align: center;
}

/* 2枚並び(カラーカスタマイズ比較)用 */
.product-custom-thumbs-pair {
  grid-template-columns: repeat(2, 1fr);
}

.product-custom-thumbs-pair img {
  aspect-ratio: 3 / 2;
}

.product-price {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.35rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-color);
}

.product-price span {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.product-price strong {
  font-family: var(--font-num);
  font-size: 1.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--ember);
  white-space: nowrap;
}

.spec-line {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-color);
}

.spec-line span {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  color: var(--ink-soft);
}

.spec-line small {
  font-size: 0.74rem;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .product {
    grid-template-columns: 1.08fr 1fr;
    gap: clamp(2.5rem, 6vw, 5rem);
  }
  .product-reverse .product-media {
    order: 2;
  }
  .product-reverse .product-copy {
    order: 1;
  }
  .product-media .product-photo-main {
    position: relative;
  }
}

/* --------------------------------------------------------------------------
   05 RECOMMENDED SET
   -------------------------------------------------------------------------- */

.set-grid {
  display: grid;
  gap: 1.1rem;
}

.set-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  padding: 1.9rem 1.7rem 1.7rem;
}

.set-card-featured {
  border: 2px solid var(--ember);
  background: #fdf3ea;
  box-shadow: 0 20px 44px -26px rgba(184, 72, 28, 0.4);
}

.set-badge {
  position: absolute;
  top: -0.85rem;
  left: 1.25rem;
  background: var(--ember);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.3em 0.9em;
  border-radius: 999px;
}

.set-card h3 {
  font-family: var(--font-num);
  font-size: 2.5rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-color);
}

.set-card h3 small {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: 700;
  margin-left: 0.35em;
  letter-spacing: 0.08em;
}

.set-card dl {
  margin-block: 1.1rem;
  display: grid;
  gap: 0.55rem;
}

.set-card dl div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.82rem;
}

.set-card dt {
  color: var(--ink-soft);
  font-weight: 500;
}

.set-card dd {
  font-weight: 700;
  white-space: nowrap;
}

.set-total {
  border-top: 1px solid var(--line-color);
  padding-top: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.set-total span {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.set-total strong {
  font-family: var(--font-num);
  font-size: 2.6rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1.1;
  color: var(--ember);
}

.set-total strong small {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 700;
  margin-left: 0.1em;
}

/* --------------------------------------------------------------------------
   05 COMPARE(比較表+30秒セレクター)
   -------------------------------------------------------------------------- */

/* 商品紹介セクション内に統合した比較表ブロック(商品の続きとして見せる) */
.products-compare {
  margin-top: clamp(2.75rem, 5.5vw, 4rem);
}

.compare-scroll {
  max-width: 64rem;
  margin-inline: auto;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--white);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.compare-hint {
  display: none;
  margin: 0 auto 0.7rem;
  max-width: 64rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.compare-hint::after {
  content: " →";
  color: var(--ember);
}

.compare-table {
  width: 100%;
  min-width: 44rem;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: center;
}

/* モバイル: 行ヘッダーを固定し、次の商品列をチラ見せしてスワイプを促す */
@media (max-width: 639px) {
  .compare-hint {
    display: block;
  }

  .compare-table {
    min-width: 0;
    width: 40rem;
    table-layout: fixed;
  }

  .compare-table thead th:first-child,
  .compare-table tbody th {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--paper);
    box-shadow: 1px 0 0 var(--line-color);
    min-width: 5.6rem;
    width: 5.6rem;
    padding-inline: 0.7rem;
    white-space: normal;
  }

  .compare-table thead img {
    height: 5.5rem;
  }
}

.compare-table thead th {
  padding: 1.4rem 1rem 1.1rem;
  border-bottom: 2px solid var(--ink);
  vertical-align: bottom;
}

.compare-table thead th:first-child {
  width: 7.5rem;
}

/* 縦長・横長どちらの切り抜きも同じ高さで揃える */
.compare-table thead img {
  display: block;
  width: auto;
  max-width: 100%;
  height: 6.5rem;
  object-fit: contain;
  margin: 0 auto 0.7rem;
}

.compare-table thead span {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.compare-table tbody th {
  padding: 1rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  background: var(--paper);
  border-bottom: 1px solid var(--line-color);
  text-align: left;
  white-space: nowrap;
}

.compare-table tbody td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--line-color);
  border-left: 1px solid var(--line-color);
  line-height: 1.7;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.compare-table tbody strong {
  font-family: var(--font-num);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ember);
}

/* モバイルでは横スワイプで比較(縦4枚の単調さを回避) */
@media (max-width: 639px) {
  .sets-hint {
    display: block;
    margin: 0.9rem 0 0;
    max-width: none;
    color: rgba(255, 255, 255, 0.65);
  }

  .set-grid {
    grid-auto-flow: column;
    grid-auto-columns: 76%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 1.1rem 0.2rem 0.6rem;
    margin-inline: -0.2rem;
    -webkit-overflow-scrolling: touch;
  }
  .set-card {
    scroll-snap-align: center;
  }
}

@media (min-width: 640px) {
  .set-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .set-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* PRICE内の人数別セット(旧RECOMMENDED SET) */
.price-sets {
  margin-top: clamp(3rem, 5vw, 4.25rem);
}

/* ダーク背景の白文字を継承しないように戻す */
.price-sets .set-card {
  color: var(--ink);
}

/* PRICE内のストーブ価格+水風呂補足(旧STOVE & COLD PLUNGEを統合) */
.price-extras {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.price-stoves {
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem 1.6rem 1.5rem;
}

.price-extras-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 1rem;
}

.price-stove-list {
  display: grid;
  gap: 0.6rem;
}

.price-stove-list div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.86rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line-color-dark);
}

.price-stove-list dt {
  color: rgba(255, 255, 255, 0.75);
}

.price-stove-list dd {
  font-family: var(--font-num);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--white);
  white-space: nowrap;
}

.price-extras .stove-detail {
  max-width: none;
  margin-top: 1.4rem;
  text-align: left;
}

.price-extras .stove-detail summary {
  border-color: var(--line-color-dark);
  color: var(--white);
}

.price-extras .stove-detail summary:hover {
  border-color: var(--ember-light);
}

.price-extras .stove-detail-icon::before {
  color: var(--ember-light);
}

.price-extras .stove-table {
  margin-bottom: 0;
}

.price-extras .stove-table th {
  color: rgba(255, 255, 255, 0.6);
  border-bottom-color: rgba(255, 255, 255, 0.7);
}

.price-extras .stove-table td {
  border-bottom-color: var(--line-color-dark);
  color: var(--white);
}

/* 水風呂は主商品ではなく、クリックで確認できるオプションとして扱う */
.price-option {
  align-self: start;
  max-width: 26rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
}

.price-option summary {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 700;
}

.price-option summary::-webkit-details-marker {
  display: none;
}

.price-option summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-en);
  font-size: 1.4rem;
  color: var(--ember-light);
}

.price-option[open] summary::after {
  content: "−";
}

.price-option-label {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ember-light);
}

.price-option-photo {
  display: block;
  width: calc(100% - 2.3rem);
  height: auto;
  margin: 0.2rem 1.15rem 0.9rem;
}

.price-option p {
  margin: 0;
  padding: 0 1.15rem 1.1rem;
  font-size: 0.86rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.75);
}

@media (min-width: 900px) {
  .price-extras {
    grid-template-columns: minmax(0, 33rem) 1fr;
    gap: 2.5rem;
  }
}

/* PRICE末尾: 相談CTAと、相談で解決できることを一体化 */
.price-consultation {
  margin-top: clamp(3.5rem, 6vw, 5.25rem);
  padding-top: clamp(3rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line-color-dark);
}

.price-consultation-intro {
  max-width: 48rem;
  margin-inline: auto;
  text-align: center;
}

.price-consultation-intro .en-label {
  margin-bottom: 0.9rem;
}

.price-consultation-intro h3 {
  color: var(--white);
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
  font-weight: 400;
  letter-spacing: 0.03em;
}

.price-consultation-intro p:last-child {
  margin-top: 1rem;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.72);
}

.price-consultation-actions {
  justify-content: center;
  margin-top: 1.75rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.price-consultation .consultation-topics {
  max-width: 64rem;
}

@media (max-width: 639px) {
  .price-consultation-actions {
    display: grid;
  }

  .price-consultation-actions .btn {
    width: 100%;
  }
}


.price-sets-title {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.price-sets .note {
  margin-top: 1.4rem;
}

/* --------------------------------------------------------------------------
   06 PRICE(ダークアンカー)
   -------------------------------------------------------------------------- */

.price-section {
  position: relative;
  background: var(--charcoal);
  color: var(--white);
  padding-block: var(--section-pad);
}

.price-section .container {
  position: relative;
  z-index: 1;
}

.price-vertical-label,
.contact-vertical-label {
  display: none;
}

@media (min-width: 1000px) {
  .price-vertical-label,
  .contact-vertical-label {
    position: absolute;
    z-index: 4;
    top: 50%;
    right: clamp(1.5rem, 3vw, 3rem);
    display: flex;
    align-items: center;
    gap: 0.85em;
    margin: 0;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-family: var(--font-mincho-thin);
    font-size: clamp(0.8rem, 1.25vw, 1rem);
    font-weight: 200;
    letter-spacing: 0.22em;
    color: rgba(255, 255, 255, 0.68);
  }

  .price-vertical-label::before,
  .contact-vertical-label::before {
    content: "";
    width: 1px;
    height: 3.5em;
    background: currentColor;
    opacity: 0.72;
  }
}

.price-layout {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.price-main .en-label {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  letter-spacing: 0.14em;
}

.price-main h2 {
  font-size: clamp(1.7rem, 3.8vw, 2.5rem);
  font-weight: 400;
  line-height: 1.55;
}

.price-figure {
  display: inline-block;
  margin-block: 0.3rem;
}

.price-figure em {
  font-family: var(--font-num);
  font-style: normal;
  font-size: clamp(4.2rem, 11vw, 7.6rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--ember-light);
  margin-right: 0.08em;
}

.price-figure small {
  font-size: 0.55em;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
}

.price-caption {
  margin-top: 1.6rem;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.88);
}

.price-direct-note {
  margin-top: 0.65rem;
  font-size: 0.83rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}

/* 導入総額の目安(施工費込みの桁感を先に見せる) */
.cost-guide {
  margin-top: 1.8rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem 1.6rem 1.4rem;
  max-width: 33rem;
}

.cost-guide-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 0.9rem;
}

.cost-guide dl {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}

.cost-guide dl div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.83rem;
}

.cost-guide dt {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 500;
}

.cost-guide dd {
  font-weight: 700;
  white-space: nowrap;
}

.cost-guide-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.cost-guide-total span {
  font-size: 0.82rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
}

.cost-guide-total strong {
  font-family: var(--font-num);
  font-size: 2.1rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--ember-light);
}

.cost-guide-total strong small {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 700;
  margin-left: 0.1em;
  color: rgba(255, 255, 255, 0.85);
}

.price-main .note {
  margin-top: 1.1rem;
  margin-bottom: 2rem;
}

.price-side {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

/* HARVIAストーブのラインナップ */
.stove-lineup-title {
  margin: 0 0 0.8rem;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.9);
}

.stove-lineup-title span {
  margin-left: 0.7em;
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
}

.stove-lineup-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}

/* BROSAUNA / HARVIAの2枚並び */
.stove-lineup-grid-pair {
  grid-template-columns: repeat(2, 1fr);
}

.stove-lineup-grid-pair li {
  padding: 1.1rem 0.8rem 0.9rem;
}

.stove-lineup-grid-pair img {
  height: 7.5rem;
  margin-bottom: 0.6rem;
}

.stove-lineup-grid-pair .stove-lineup-name {
  font-size: 0.92rem;
}

.stove-lineup-grid-pair .stove-lineup-spec {
  font-size: 0.72rem;
}

.stove-lineup-grid li {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--white);
  border-radius: var(--radius);
  padding: 0.7rem 0.4rem 0.6rem;
}

.stove-lineup-grid img {
  width: 100%;
  height: 4.6rem;
  object-fit: contain;
  margin-bottom: 0.45rem;
}

.stove-lineup-name {
  font-family: var(--font-en);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.stove-lineup-spec {
  font-size: 0.64rem;
  color: var(--ink-soft);
}

.price-media {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
}

.price-media figure {
  flex: 1;
  max-width: 240px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 0.9rem;
}

.price-media img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  border-radius: 3px;
}

/* ストーブ写真は実物比で大きく写りすぎるため余白で縮める */
.price-media figure:last-of-type img {
  object-fit: contain;
  padding: 1.1rem;
  background: var(--white);
}

.price-media figcaption {
  margin-top: 0.7rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-align: center;
}

.price-plus {
  font-family: var(--font-en);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--ember-light);
}

@media (min-width: 900px) {
  .price-layout {
    grid-template-columns: 1.25fr 1fr;
    gap: clamp(3rem, 7vw, 6rem);
  }
}

/* --------------------------------------------------------------------------
   07 LINEUP
   -------------------------------------------------------------------------- */

.lineup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}

.lineup-card {
  background: var(--white);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lineup-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

/* 写真のトーン差をならすため、全カード同一フレーム(白背景+余白+contain)で統一 */
.lineup-photo {
  aspect-ratio: 1 / 1;
  background: var(--white);
  overflow: hidden;
  padding: 1.4rem;
  border-bottom: 1px solid var(--line-color);
}

.lineup-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lineup-card h3 {
  font-size: 0.95rem;
  font-weight: 400;
  padding: 1rem 1.2rem 0;
}

.lineup-desc {
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--ink-soft);
  padding: 0.35rem 1.2rem 0;
}

.lineup-price {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ember);
  padding: 0.5rem 1.2rem 1.1rem;
}

@media (min-width: 900px) {
  .lineup-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
  }
}

/* --------------------------------------------------------------------------
   07b ストーブ詳細(HARVIA価格表)
   -------------------------------------------------------------------------- */

.stove-detail {
  max-width: 38rem;
  margin: clamp(2.5rem, 5vw, 3.75rem) auto 0;
  text-align: center;
}

.stove-detail summary {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.7em 1.4em;
  border: 1.5px solid var(--line-color);
  border-radius: 999px;
  transition: border-color 0.2s ease;
}

.stove-detail summary::-webkit-details-marker {
  display: none;
}

.stove-detail summary:hover {
  border-color: var(--ember);
}

.stove-detail-icon::before {
  content: "+";
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ember);
}

.stove-detail[open] .stove-detail-icon::before {
  content: "−";
}

.stove-detail[open] summary {
  margin-bottom: 1.4rem;
}

.stove-detail .stove-table {
  text-align: left;
}

.stove-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2.2rem;
  font-size: 0.9rem;
}

.stove-table th {
  text-align: left;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 0 0.5rem 0.7rem 0;
  border-bottom: 2px solid var(--ink);
}

.stove-table td {
  padding: 0.95rem 0.5rem 0.95rem 0;
  border-bottom: 1px solid var(--line-color);
  font-weight: 500;
}

.stove-table td:first-child {
  font-weight: 700;
}

.stove-table td:last-child {
  font-family: var(--font-num);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   11 CASE(旧SCENE統合)
   -------------------------------------------------------------------------- */

.case-grid {
  display: grid;
  gap: 1.4rem;
}

/* カード枠を捨て、写真+余白+テキストの静かな構成に(宿-SHUKU-参照) */
.case-card {
  background: transparent;
  border: none;
  overflow: visible;
}

.case-media {
  position: relative;
  overflow: hidden;
}

.case-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card:hover img {
  transform: scale(1.045);
}

.case-vertical-label {
  position: absolute;
  top: 1rem;
  right: 1rem;
  margin: 0;
  padding: 0.6rem 0.28rem;
  writing-mode: vertical-rl;
  font-family: var(--font-mincho-thin);
  font-size: clamp(0.7rem, 1vw, 0.82rem);
  font-weight: 200;
  letter-spacing: 0.2em;
  color: var(--white);
  background: rgba(23, 20, 15, 0.52);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.case-copy {
  padding: 1.2rem 0 0;
}

.case-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ember);
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 0.2em 0.85em;
  margin-bottom: 0.7rem;
}

.case-copy h3 {
  font-size: 1.05rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
}

.case-copy p:last-child {
  font-size: 0.86rem;
  color: var(--ink-soft);
}

@media (min-width: 800px) {
  .case-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 639px) {
  .case-vertical-label {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   13 FAQ(旧PROMISEの約束リストを左カラムに統合)
   -------------------------------------------------------------------------- */

.faq-promise {
  /* section-heading内はorder制御(h2=1, en-label=2)のため、約束ボックスは最後尾に */
  order: 4;
  margin-top: 2.25rem;
  padding: 1.6rem 1.6rem 1.1rem;
  background: var(--hinoki);
  border-radius: var(--radius);
}

.faq-promise-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.faq-promise .check-list li {
  font-size: 0.86rem;
  margin-bottom: 0.7rem;
}

.promise-list li::before {
  border-color: var(--ember);
}

.faq-layout {
  display: grid;
  gap: 2.5rem;
}

.faq-list details {
  border-bottom: 1px solid var(--line-color);
}

.faq-list details:first-of-type {
  border-top: 1px solid var(--line-color);
}

.faq-list summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 1.35rem 3rem 1.35rem 0;
  font-size: 0.98rem;
  font-weight: 700;
  transition: color 0.2s ease;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary:hover {
  color: var(--ember);
}

.faq-icon {
  position: absolute;
  right: 0.4rem;
  top: 50%;
  width: 0.95rem;
  height: 0.95rem;
  transform: translateY(-50%);
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--ember);
  transition: transform 0.3s ease;
}

.faq-icon::before {
  width: 100%;
  height: 1.5px;
}

.faq-icon::after {
  width: 1.5px;
  height: 100%;
}

.faq-list details[open] .faq-icon::after {
  transform: rotate(90deg);
}

.faq-list details p {
  padding: 0 0 1.5rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.faq-flow {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.15rem;
  padding: 0 0 0 1rem;
  border-left: 2px solid rgba(184, 72, 28, 0.28);
}

.faq-flow li {
  display: grid;
  gap: 0.18rem;
  padding-left: 0.85rem;
}

.faq-flow strong {
  font-size: 0.9rem;
  color: var(--ink);
}

.faq-flow span {
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.faq-list .section-cta-left {
  margin-top: 2.5rem;
}

@media (min-width: 900px) {
  .faq-layout {
    grid-template-columns: 0.7fr 1.3fr;
    gap: clamp(3rem, 6vw, 5rem);
    align-items: start;
  }
  .faq-layout .section-heading {
    position: sticky;
    top: 7rem;
    margin-bottom: 0;
  }
}

/* --------------------------------------------------------------------------
   14 CONTACT(ダークアンカー)
   -------------------------------------------------------------------------- */

.contact-section {
  position: relative;
  background: var(--charcoal);
  color: var(--white);
  padding-block: var(--section-pad);
  overflow: hidden;
}

.contact-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.contact-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(13, 11, 8, 0.92) 20%, rgba(13, 11, 8, 0.55));
}

.contact-layout {
  position: relative;
  display: grid;
  gap: 3rem;
  align-items: center;
}

.contact-copy .en-label {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  letter-spacing: 0.14em;
}

.contact-copy h2 {
  font-size: clamp(1.65rem, 3.6vw, 2.4rem);
  font-weight: 400;
  margin-bottom: 1.6rem;
}

.campaign {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
  padding: 0.75rem 1.4rem;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
}

.campaign span {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
}

.campaign strong {
  font-family: var(--font-num);
  font-size: 2.6rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--line-green);
}

.campaign strong i {
  font-style: normal;
  font-size: 0.62em;
}

/* SPでは縦積みにして「10%OFF」の折り返しを防ぐ */
@media (max-width: 480px) {
  .campaign {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    padding: 0.9rem 1.2rem;
  }
  .campaign strong {
    font-size: 2.2rem;
    white-space: nowrap;
  }
}

.campaign-terms {
  font-size: 0.8rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.5rem;
  max-width: 30rem;
}

.contact-note {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.9rem;
}

.contact-copy .btn-wide {
  max-width: 26rem;
}

/* --------------------------------------------------------------------------
   横長CTAバナー
   -------------------------------------------------------------------------- */

.consultation-banner-section {
  padding-block: clamp(2.75rem, 6vw, 5.5rem);
  background: var(--paper);
}

.consultation-banner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 550px));
  justify-content: center;
  gap: clamp(1rem, 2.5vw, 1.75rem);
}

.consultation-banner {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  /* 明るいバナー画像に合わせて、読み込み中のプレースホルダも明るく */
  background: var(--hinoki);
  box-shadow: 0 28px 64px -36px rgba(23, 20, 15, 0.76);
}

/* data-line が付与するアイコンは、完成画像内のCTAと重複させない */
.consultation-banner > .line-icon {
  display: none;
}

.consultation-banner img {
  width: 100%;
  aspect-ratio: 1983 / 793;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.consultation-banner:hover img {
  transform: scale(1.018);
}

@media (max-width: 640px) {
  .consultation-banner-grid {
    grid-template-columns: minmax(0, 550px);
  }
}

/* フォーム */

.contact-form {
  background: var(--white);
  color: var(--ink);
  border-radius: 6px;
  padding: clamp(1.8rem, 4vw, 2.6rem);
  box-shadow: 0 40px 90px -40px rgba(0, 0, 0, 0.6);
}

.contact-form h3 {
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 1.6rem;
}

.contact-form label {
  display: block;
  margin-bottom: 1.15rem;
}

.contact-form label span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.contact-form label em {
  font-style: normal;
  font-size: 0.64rem;
  font-weight: 700;
  color: var(--white);
  background: var(--ember);
  border-radius: 2px;
  padding: 0.1em 0.55em;
  letter-spacing: 0.08em;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  font-family: var(--font-jp);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-color);
  border-radius: 3px;
  padding: 0.8rem 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--ember);
  box-shadow: 0 0 0 3px rgba(184, 72, 28, 0.15);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  margin-top: 0.5rem;
}

.contact-form button:disabled {
  opacity: 0.7;
  cursor: default;
  transform: none;
}

.form-note a {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.form-status {
  margin: 0 0 0.9rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--line-green);
}

.form-status.is-error {
  color: #c0564a;
}

.form-note {
  margin-top: 1.1rem;
  font-size: 0.74rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

@media (min-width: 960px) {
  .contact-layout {
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(3rem, 6vw, 5.5rem);
  }
}

/* --------------------------------------------------------------------------
   固定CTA(モバイル)
   -------------------------------------------------------------------------- */

.sticky-cta {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0.6rem;
  padding: 0.7rem max(0.9rem, env(safe-area-inset-left)) max(0.7rem, env(safe-area-inset-bottom));
  background: rgba(250, 248, 244, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-color);
  transform: translateY(110%);
  transition: transform 0.4s ease;
}

.sticky-cta.visible {
  transform: none;
}

.sticky-cta .btn {
  padding: 0.95em 1em;
  font-size: 0.86rem;
}

@media (min-width: 900px) {
  .sticky-cta {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   右下フローティングCTA(デスクトップ)
   -------------------------------------------------------------------------- */

.floating-cta {
  display: none;
}

@media (min-width: 900px) {
  .floating-cta {
    position: fixed;
    right: 1.75rem;
    bottom: 1.75rem;
    z-index: 55;
    display: inline-flex;
    align-items: center;
    gap: 0.55em;
    padding: 1.1em 1.7em;
    background: var(--line-green);
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: 999px;
    box-shadow: 0 18px 40px -14px rgba(6, 199, 85, 0.65), 0 6px 18px rgba(13, 11, 8, 0.18);
    opacity: 0;
    transform: translateY(140%);
    transition: transform 0.4s ease, opacity 0.4s ease, background-color 0.25s ease;
  }

  .floating-cta.visible {
    opacity: 1;
    transform: none;
  }

  .floating-cta.suppressed {
    pointer-events: none;
    opacity: 0;
    transform: translateY(140%);
  }

  .floating-cta:hover {
    background: var(--line-green-deep);
    transform: translateY(-3px);
  }
}

/* --------------------------------------------------------------------------
   フッター
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--charcoal);
  color: rgba(255, 255, 255, 0.7);
  border-top: 1px solid var(--line-color-dark);
  padding-block: 3rem 7rem;
}

@media (min-width: 900px) {
  .site-footer {
    padding-block: 3rem;
  }
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem 2rem;
}

.brand-text-footer {
  font-size: 1.7rem;
  letter-spacing: 0.3em;
  opacity: 0.94;
}

.footer-copy {
  font-size: 0.78rem;
}

.footer-top {
  margin-left: auto;
  font-size: 0.78rem;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.1em;
}

/* 運営会社情報 */
.footer-company {
  margin-top: 2.5rem;
  padding-top: 2.25rem;
  border-top: 1px solid var(--line-color-dark);
}

.footer-company-heading {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 1.1rem;
}

.footer-company-info {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1.6rem;
  font-size: 0.8rem;
}

.footer-company-info div {
  display: flex;
  gap: 1.25rem;
}

.footer-company-info dt {
  flex-shrink: 0;
  width: 5em;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.75rem;
  font-size: 0.78rem;
  margin-bottom: 1.75rem;
}

.footer-links a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  padding-bottom: 0.15em;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-link-pending {
  color: rgba(255, 255, 255, 0.45);
  cursor: default;
}

.footer-copyright {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.45);
}