@charset "UTF-8";

:root {
  --concept-font-sans: "Yu Gothic Pr6N M", "Yu Gothic Pr6N R", sans-serif;
}

html {
  font-size: 62.5%; /* 16px × 62.5% = 10px ⇒ 1rem = 10px */
}

img {
  width: 100%;
}

.u-jp-justify {
  font-feature-settings: "palt";
  text-align: justify;
  text-align-last: left;
}

.p-concept {
  letter-spacing: .04em;
  line-height: 1.8;
}

.u-dash-rule {
  display: inline-block;
  margin-bottom: 0.3rem;
  width: 3em;
  height: 1px;
  background: currentColor;
  vertical-align: middle;
}

/* --- 共通 --- */
.p-concept__feature-block-title,
.p-concept__mv-subtitle,
.p-concept__outro-subtitle {
  font-family: "Yu Gothic Pr6N B", sans-serif;
  font-weight: 700;
}

.p-concept__feature-head-title {
  font-family: "Yu Gothic Pr6N D", sans-serif;
}

/* --- Layout --- */
.p-concept__layout {
  display: flex;
  align-items: flex-start;
}

/* 左固定カラム（1440px時の幅: 691.2px をコンテナ基準に設定） */
.p-concept__layout-fixed {
  flex: 0 0 48%;
  width: 48%;
  height: 100vh;
  position: sticky;
  top: 80px;
  height: calc(100vh - 80px);
  align-self: flex-start;
  container-type: inline-size;
  container-name: concept-left;
}

.p-concept__layout-fixed .p-concept__mv {
  height: 100%;
  min-height: 0;
}

.p-concept__layout-scroll {
  flex: 1 1 auto;
  min-width: 0;
  margin-left: -1px;
  position: relative;
  z-index: 1;
}

/* --- MV (左カラム内: すべて cqw 制御) --- */
.p-concept__mv-inner {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.p-concept__mv-bg {
  position: absolute;
  inset: 0;
}

.p-concept__mv-bg.swiper,
.p-concept__mv-bg .swiper-wrapper,
.p-concept__mv-bg .swiper-slide,
.p-concept__feature-block-img--slider,
.p-concept__feature-block-img--slider .swiper-wrapper,
.p-concept__feature-block-img--slider .swiper-slide {
  height: 100%;
}

.p-concept__mv-bg-slide img,
.p-concept__feature-block-img--slider .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.p-concept__feature-block-img--slider .swiper-slide img {
  object-position: center;
}

.p-concept__feature-block-img--slider {
  position: relative;
}

.p-concept__feature-block-img-caption {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.p-concept__feature-block-img-caption-title {
  position: absolute;
  /*left: 2rem;
  bottom: 1.2rem;*/
  left: clamp(1.2rem, 2.7cqw, 2.0rem);
  bottom: clamp(0.8rem, 1.6cqw, 1.2rem);
  color: #fff;
  /*font-size: 2.6rem;*/
  font-size: clamp(1.4rem, 1.8vw, 2.6rem);
  letter-spacing: 0.05em;
  line-height: 1.5;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.p-concept__feature-block-img-caption-sub {
  position: absolute;
  /*top: 1.6rem;
  right: 1.2rem;*/
  top: clamp(1.0rem, 2.1cqw, 1.6rem);
  right: clamp(0.8rem, 1.6cqw, 1.2rem);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-feature-settings: "vpal", "vkrn";
  color: #fff;
  /*font-size: 2rem;*/
  font-size: clamp(1.2rem, 1.38vw, 2.0rem);
  letter-spacing: 0.18em;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.p-concept__mv-text {
  position: absolute;
  /*bottom: clamp(3.2rem, 10cqw, 9.77rem);*/
  /*bottom: clamp(3.2rem, 21cqw, 14.77rem); */
  inset: 0;
  padding: 0;
}

.p-concept__mv-title {
  /* 38rem / 691.2px × 100 = 54.98cqw */
  position: absolute;
  bottom: clamp(3.2rem, 20cqw, 13.77rem);
  left: 50%;
  transform: translateX(-50%);
  max-width: clamp(300px, 51cqw, 420px);
  width: 100%;
  margin: 0;
}

/*.p-concept__mv-title img {
  filter: drop-shadow(0px 0px 12px rgba(0, 0, 0, 0.3));
}*/

.p-concept__mv-subtitle {
  position: absolute;
  top: clamp(2rem, 3.4cqw, 4rem);
  right: clamp(1.5rem, 3.2cqw, 3rem);
  margin: 0;
  font-size: clamp(1.8rem, 3.5cqw, 2.7rem);
  writing-mode: vertical-rl;
  text-orientation: upright;
  line-height: 1.6;
  letter-spacing: 0.19em;
  color: #fff;
}

.p-concept__mv-bg-slide img.pc,
.swiper-slide img.pc {
  display: block;
}

/* --- Lead（右カラム内） --- */
.p-concept__lead {
  background: #fff;
}

.p-concept__lead-inner {
  width: 53.5rem;
  max-width: 100%;
  margin: 0 auto;
  padding: clamp(5rem, 5.55vw, 9rem) 3rem;
}

.p-concept__lead-title {
  font-family: "tt-commons-pro", sans-serif;
  font-size: clamp(2.2rem, 2vw, 3.2rem);
  font-weight: 400;
  font-style: normal;
  text-align: center;
}

.p-concept__lead-text {
  margin: 1.1rem 0 0;
  font-size: clamp(1.3rem, 0.97vw, 1.5rem);
  line-height: 2.4;
}

/* --- Feature Head（右カラム内見出し） --- */
.p-concept__feature-head {
  position: relative;
  width: 100%;
}
.p-concept__feature-head-img {
  position: relative;
  overflow: hidden;
}
.p-concept__feature-head-img img,
.p-concept__feature-head-img video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.p-concept__feature-head-video {
  display: block;
}

.p-concept__feature-head-text {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.p-concept__feature-head-num {
  position: absolute;
  top: clamp(1.6rem, 1.52vw, 2.8rem);
  right: clamp(1rem, 1.38vw, 2.4rem);
  z-index: 1;
  font-size: clamp(1.5rem, 1.32vw, 2.2rem);
  font-weight: 400;
  line-height: 0.85;
  letter-spacing: 0.02em;
  color: #fff;
  pointer-events: none;
}

.p-concept__feature-head-title {
  position: absolute;
  bottom: clamp(2rem, 2.08vw, 4rem);
  left: clamp(1.8rem, 1.66vw, 3.2rem);
  z-index: 1;
  font-size: clamp(2.2rem, 2.22vw, 3.8rem);
  color: #fff;
}

.p-concept__feature-head-en {
  position: absolute;
  left: clamp(1rem, 1.04vw, 2rem);
  top: clamp(1.5rem, 1.38vw, 2.5rem);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: "tt-commons-pro", sans-serif;
  font-weight: 300;
  font-style: normal;
  font-size: clamp(4.8rem, 4.86vw, 8.4rem);
  color: #fff;
  line-height: 1;
  overflow: hidden;
}

.p-concept__feature-head--reverse .p-concept__feature-head-num {
  left: clamp(1rem, 1.38vw, 2.4rem);
  right: auto;
}

.p-concept__feature-head--reverse .p-concept__feature-head-en {
  right: clamp(1rem, 1.04vw, 2rem);
  left: auto;
}

/* --- Feature Body --- */
.p-concept__feature-body {
  margin: 0 auto;
  padding: clamp(5rem, 5.2vw, 9.5rem) clamp(3rem, 6.94vw, 10rem);
  display: flex;
  flex-direction: column;
  gap: clamp(5rem, 5.2vw, 9.5rem);
}

.p-concept__feature--01 .p-concept__feature-body {
  position: relative;
  margin-top: -1px;
}

.p-concept__feature-block {
  /*display: flex;
  flex-direction: column;
  align-items: center;*/
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.p-concept__feature-block-title {
  font-size: clamp(2.0rem, 1.94vw, 3.2rem);
  letter-spacing: 0.05em;
  color: #fff;
  margin: 0 0 2rem;
}

.p-concept__feature--03 .p-concept__feature-block-title {
  font-size: clamp(1.8rem, 1.76vw, 2.4rem);
}

.p-concept__feature-block-text {
  font-size: clamp(1.4rem, 0.97vw, 1.5rem);
  line-height: 2;
  color: #fff;
}

.p-concept__feature-block-img {
  width: 100%;
}

.p-concept__feature-block-imgs {
  display: flex;
  margin: clamp(3rem, 3.47vw, 6rem) 0 0;
  width: 100%;
}

.p-concept__feature-block-imgs--s {
  /*margin: clamp(3rem, 3.47vw, 6rem) auto 0;*/
  margin: clamp(3rem, 3.47vw, 6rem) auto clamp(1.5rem, 1.736vw, 3.5rem);
  width: 70%;
}

.p-concept__feature-block-imgs-group {
  width: 100%;
  margin-inline: auto;
}

.p-concept__feature-block-imgs + .p-concept__feature-block-text,
.p-concept__feature-block-imgs-group + .p-concept__feature-block-text {
  margin-top: clamp(3rem, 3.47vw, 6rem);
}

/* テキスト＋画像2枚横並び */
.p-concept__feature-block--double .p-concept__feature-block-imgs {
  flex-direction: row;
}

/* --- Feature 01 / 02 / 03 背景 --- */
.p-concept__feature--01 .p-concept__feature-body {
  background-size: cover;
  background-repeat: no-repeat;
}

.p-concept__feature--01 .p-concept__feature-body {
  background-image: url(../img/concept_feature01_bg.webp);
}

.p-concept__feature--02 .p-concept__feature-body {
  /*background-image: url(../img/concept_feature02_bg.webp);*/
  background-color: rgba(227, 211, 179, 0.1);
  background-image: linear-gradient(
    40deg,
    rgba(195, 169, 125, 0.57) 0%,   /* 左下：少し落ち着いた色 */
    rgba(218, 196, 157, 0.57) 100%  /* 右上：明るい色 */
  );
}

.p-concept__feature--02 .p-concept__feature-block-text {
  color: #212121;
}

.p-concept__feature--02 .p-concept__feature-block-img:first-of-type {
  margin-top: clamp(4rem, 4.86vw, 8rem);
}

.p-concept__feature--02 .p-concept__feature-block--double .p-concept__feature-block-imgs {
  gap: clamp(2rem, 2.63vw, 4rem);
}

.p-concept__feature--03 .p-concept__feature-body {
  /*background-image: url(../img/concept_feature03_bg.webp);*/
  background-color: rgba(134, 105, 53, 0.8); 
  background-image: linear-gradient(
    130deg,
    rgba(205, 184, 148, 0.57) 0%,  /* 上側の薄い色 */
    rgba(178, 154, 114, 0.57) 100% /* 下側の濃い色 */
  );
}

.feature-block-imgs--03 {
  justify-content: flex-start;
  gap: 12.38%;
  margin-left: 4.73%;
}

.feature-block-imgs--03 .p-concept__feature-block-img:first-of-type {
  width: 41.89%;
  margin-top: 2.91%;
}

.feature-block-imgs--03 .p-concept__feature-block-img:last-of-type {
  width: 30.6%;
}

.feature-block-imgs--04 {
  justify-content: flex-end;
  gap: 9.47%;
  margin: 6% 0 0;
}

.feature-block-imgs--04 .p-concept__feature-block-img:first-of-type {
  width: 30.6%;
}

.feature-block-imgs--04 .p-concept__feature-block-img:last-of-type {
  width: 43.9%;
  transform: translateY(-60%);
  margin-bottom: -22%;
  margin-right: 5.11%;
}

/* --- Outro（右カラム内最下部） --- */
.p-concept__outro {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.p-concept__outro-bg {
  position: absolute;
  inset: 0;
}

.p-concept__outro-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.p-concept__outro-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 16rem 2.4rem 10rem;
}

.p-concept__outro-subtitle {
  margin-bottom: 2.8rem;
  font-size: clamp(1.4rem, 1.18vw, 2.0rem);
  line-height: 1.7;
}

.p-concept__outro-title {
  width: clamp(26rem, 22.38vw, 42rem);
  margin: 0 auto 4.3rem;
}

.p-concept__outro-logo {
  margin: 0 auto;
  width: clamp(12rem, 11.11vw, 18rem);
}

/* =========================================================
   アニメーション共通変数
   ========================================================= */
:root {
  --concept-ease: cubic-bezier(0.22, 1, 0.36, 1);          /* 標準：シンプルなfade-up */
  --concept-ease-text: cubic-bezier(0.16, 1, 0.3, 1);       /* 一文字ずつ：やや軽快な立ち上がり */
  --concept-ease-img: cubic-bezier(0.25, 1, 0.5, 1);        /* 番号付き画像の時間差フェード */
  --concept-ease-soft: cubic-bezier(0.25, 0.1, 0.25, 1.0);  /* 背景→テキストのゆっくりしたフェード専用 */
}

/* =========================================================
   [1][3] 背景が先に出て、テキストがまとめてじんわり出る
   トリガー：
     - MV      … .p-concept__mv.is-loaded（画像loadが起点）
     - Outro/Feature見出し … .js-section-reveal.is-inview（スクロールが起点）
   対象：.c-reveal-bg（背景）/ .c-reveal-text（テキストのまとまり）
   Feature見出しは .c-reveal-text--fast を足すことでMV/Outroより速く出す
   ========================================================= */
.c-reveal-bg {
  opacity: 0;
  transition: opacity 1.8s var(--concept-ease-soft);
}
.p-concept__mv.is-loaded .c-reveal-bg,
.js-section-reveal.is-inview .c-reveal-bg {
  opacity: 1;
}

.c-reveal-text {
  opacity: 0;
  transform: translateY(0);
  transition: opacity 3.2s var(--concept-ease-soft), transform 3.2s var(--concept-ease-soft);
  transition-delay: 1s; /* 背景が見え始めた少し後にテキストが追いかける */
}
.p-concept__mv.is-loaded .c-reveal-text,
.js-section-reveal.is-inview .c-reveal-text {
  opacity: 1;
  transform: translateY(0);
}

/* Feature見出し用：MV/Outroより速いスピードで出す */
.c-reveal-text.c-reveal-text--fast {
  transition: all 1.0s ease;
  transition-delay: 0.3s;
}

/* =========================================================
   [2][5][6] シンプルなfade-up
   トリガー：.js-reveal 自身がスクロールで画面に入ったら .is-inview を付与
   対象：Lead本文、Feature本文テキスト、Feature本文画像
   画像は .js-reveal--slow を足してテキストよりゆっくり・少し後から出す
   ========================================================= */
.js-reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 1.2s ease-out, transform 1.2s ease-out;
  transition-delay: 0.1s;
  will-change: opacity, transform;
}
.js-reveal.is-inview {
  opacity: 1;
  transform: translateY(0);
}
.js-reveal.js-reveal--slow {
  transition: all 1.5s ease;
  transition-delay: 0.3s; /* テキストより少し遅れて、ゆっくり出す */
}

/* =========================================================
   [4] 一文字ずつ分解して表示するタイトル
   トリガー：.js-text-split 自身がスクロールで画面に入ったら .is-inview を付与
   連動先（.js-text-split-next / .js-text-split-body）は
   見た目自体は .js-reveal / .js-reveal--slow を併用し、
   表示タイミングだけJSがタイトルの文字数から計算して個別に付与する
   ========================================================= */
.js-text-split .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(3px);
  /*transition: opacity 0.6s var(--concept-ease-text), transform 0.6s var(--concept-ease-text);*/
  transition: opacity 2.0s cubic-bezier(0.22, 1, 0.36, 1), transform 2.0s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity;
}
.js-text-split.is-inview .char {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* =========================================================
   [7] 番号付き画像：指定順で、移動なし（フェードのみ）で表示
   トリガー：.js-stagger-group がスクロールで画面に入ったら
             子の .js-stagger-item に data-stagger-order の順で .is-inview を付与
   ========================================================= */
.js-stagger-item {
  opacity: 0;
  transition: all 1.5s ease;
}
.js-stagger-group.is-inview .js-stagger-item {
  opacity: 1;
  transition-delay: 0.8s;
}

/* =========================================================
   アクセシビリティ：motion抑制設定時は全て即表示
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .c-reveal-bg,
  .c-reveal-text,
  .js-reveal,
  .js-reveal--slow,
  .js-text-split .char,
  .js-stagger-item {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

.sp {
  display: none;
}

@media screen and (max-width: 768px) {
  /* --- Layout --- */
  .p-concept__layout {
    display: block;
  }

  .p-concept__layout-fixed {
    width: auto;
    height: auto;
    position: static;
  }

  .p-concept__layout-fixed .p-concept__mv {
    height: auto;
  }

  .p-concept__layout-fixed {
    display: block;
  }

  .p-concept__layout-scroll {
    width: auto;
  }

  .p-concept__mv-bg.swiper,
  .p-concept__mv-bg .swiper-wrapper,
  .p-concept__mv-bg .swiper-slide {
    height: auto;
  }

  .p-concept__feature-block-img-caption-title {
  left: 3.764vw;
  bottom: 2.352vw;
  font-size: 4.705vw;
  line-height: 1.4;
}

.p-concept__feature-block-img-caption-sub {
  top: 2.823vw;
  right: 2.117vw;
  font-size: 3.294vw;
}

    /* --- MV --- */
    .p-concept__mv {
      position: relative;
    }

    .p-concept__mv-inner {
      position: absolute;
      inset: 0;
    }

    .p-concept__mv-bg {
      position: relative;
    }

    .p-concept__mv-text {
      position: absolute;
      left: 0;
      right: 0;
      top: auto;
      bottom: 10.588vw;
      padding: 0 4cqw;
    }

    .p-concept__mv-title {
      position: static;
      transform: none;
      width: auto;
      max-width: 73.41vw;
      margin: 0 auto;
    }

    .p-concept__mv-subtitle {
      position: static;
      writing-mode: horizontal-tb;
      text-orientation: mixed;
      margin: 5.88vw auto 0;
      font-size: 3.65vw;
      text-align: center;
      line-height: 1.7;
      letter-spacing: 0.18em;
    }

    .p-concept__mv-bg-slide img.pc,
    .swiper-slide img.pc {
      display: none;
    }

    /* --- Lead --- */
    .p-concept__lead-inner {
      padding: 13vw 3.529vw 14vw;
      width: 91.294vw;
    }

    .p-concept__lead-title {
      font-size: 7.05vw;
    }

    .p-concept__lead-text {
      margin: 1.175vw 0 0;
      font-size: 3.6vw;
      line-height: 1.7;
    }

    /* --- feature-head --- */
    .p-concept__feature-head-title {
      left: 4.705vw;
      bottom: 4.705vw;
      font-size: 6.588vw;
    }

    .p-concept__feature-head-num {
      top: 4.705vw;
      right: 2.353vw;
      font-size: 3.294vw;
    }

    .p-concept__feature-head-en {
      top: 4.705vw;
      left: 2.823vw;
      font-size: 11.764vw;
    }

    .p-concept__feature-head--reverse .p-concept__feature-head-num {
      left: 2.353vw;
    }

    .p-concept__feature-head--reverse .p-concept__feature-head-en {
      right: 2.823vw;
    }

    /* --- feature-body --- */
    .p-concept__feature-body {
      padding: 14.117vw 6.529vw;
      gap: 14.117vw;
    }

    .p-concept__feature-block-title {
      margin: 0 0 2.823vw;
    }
    .p-concept__feature-block-text {
      font-size: 3.294vw;
      line-height: 1.8;
    }

    .p-concept__feature-block-imgs {
      margin: 8.235vw 0 0;
    }

    .p-concept__feature-block-imgs--s {
      margin: 8.235vw auto 4.705vw;
      width: 68%;
    }

    .p-concept__feature-block-imgs + .p-concept__feature-block-text,
    .p-concept__feature-block-imgs-group + .p-concept__feature-block-text {
      margin-top: 9.411vw;
    }

    .feature-block-imgs--03 {
      gap: 10.353vw;
      margin-left: 3.529vw;
    }

    .feature-block-imgs--03 .p-concept__feature-block-img:first-of-type {
      width: 35.294vw;
      margin-top: 1.882vw;
    }

    .feature-block-imgs--03 .p-concept__feature-block-img:last-of-type {
      width: 25.882vw;
    }

    .feature-block-imgs--04 {
      gap: 8.0vw;
      margin: 6vw 0 0;
    }

    .feature-block-imgs--04 .p-concept__feature-block-img:first-of-type {
      width: 25.882vw;
    }

    .feature-block-imgs--04 .p-concept__feature-block-img:last-of-type {
      width: 37.647vw;
      margin-bottom: -16.8vw;
      margin-right: 4.471vw;
    }

    /* --- feature--01 --- */
    .p-concept__feature--01 .p-concept__feature-block-title {
      font-size: 5.647vw;
      margin: 0 0 2.823vw;
    }

    .p-concept__feature--01 .p-concept__feature-block:nth-of-type(2) .p-concept__feature-block-title {
      font-size: 5.2vw;
    }

    /* --- feature--02 --- */
    .p-concept__feature--02 .p-concept__feature-block--double .p-concept__feature-block-imgs {
      gap: 5.88vw;
    }

    .p-concept__feature--02 .p-concept__feature-block-img:first-of-type {
      margin-top: 9.88vw;
    }

    /* --- feature--03 --- */
    .p-concept__feature--03 .p-concept__feature-block-title {
      font-size: 4.4vw;
    }

    /* --- Outro --- */
    .p-concept__outro {
      min-height: 122vw;
    }

    .p-concept__outro.sp {
      display: flex;
    }

    .p-concept__outro-inner {
      margin-top: 12.235vw;
      padding: 0 3.529vw;
    }

    .p-concept__outro-subtitle {
      margin-bottom: 7vw;
      font-size: 3.65vw;
    }

    .p-concept__outro-title {
      width: 71.294vw;
      margin: 0 auto 10.352vw;

    }

    .p-concept__outro-logo {
      width: 34.588vw;
    }

    .sp {
      display: block;
    }
}