:root {
      /* トーンマナ共通：#99d1b8 を基調に、彩度を抑えたスモーキーな緑 */
      --green-base: #99d1b8;
      --logo-mint: #56b98f;
      --accent-green: #00997f;
      --accent-green-mid: #80b5a4;
      --accent-green-light: #e1f0ea;
      --accent-green-pale: #eef6f3;
      --text-main: #2f3331;
      --bg-dark: #4d6058;
      --bg-soft: #f5f8f6;
      --bg-pink: #f8f6f4;
      --border-soft: #c5cbc7;
      --ivory: #f9faf8;
      --ivory-warm: #fbfdfa;
      --ivory-deep: #eef2ef;
      --ivory-card: #fffcfa;
      --shadow-green: rgba(74, 92, 86, 0.12);
      --ph: #babebc;
      --ph-border: #9a9e9c;
      --layout-max: 1040px;
      --header-wide: 1460px;
      /* ヘッダーと #mv を同じ字下げに（広い窓でブレを防ぐ） */
      --header-pad-x: clamp(12px, 3vw, 40px);
      /* JOBAN系ヒーロー・ヘッダー（参照: https://joban-sauna.jp/） */
      --mv-beige: #f2f0eb;
      --joban-contact-bg: #2c3230;
      --site-header-h: 88px;
    }
    @media (min-width: 64em) {
      :root {
        --site-header-h: 88px;
      }
    }
    *, *::before, *::after { box-sizing: border-box; }
    html {
      font-size: 62.5%;
      font-family: "Zen Maru Gothic", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Meiryo", sans-serif;
      overflow-x: hidden;
    }
    body {
      margin: 0;
      padding-top: var(--site-header-h);
      background: var(--ivory);
      background-image: linear-gradient(180deg, #fffef9 0%, var(--ivory) 32%, var(--accent-green-pale) 100%);
      background-attachment: scroll;
      color: var(--text-main);
      font-family: inherit;
      font-size: 1.9rem;
      font-weight: 400;
      line-height: 1.875;
      overflow-x: hidden;
    }
    a {
      color: var(--text-main);
      text-decoration: none;
      transition: opacity 0.3s;
    }
    a:hover { opacity: 0.7; }
    a.button_main:hover,
    a.button_main:focus-visible,
    a.header_button_tel:hover,
    a.header_button_contact:hover,
    a.header_button:focus-visible {
      opacity: 1;
    }

    /* ----- ヘッダー（ベージュ帯・左ロゴ・上寄せCONTACT：JOBAN系） ----- */
    .site_header {
      position: fixed;
      top: 0;
      left: 0;
      z-index: 1002;
      width: 100%;
      background: var(--mv-beige);
      box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
    }
    .header_top {
      position: relative;
      z-index: 1003;
      background: var(--mv-beige);
      padding: 10px var(--header-pad-x) 12px;
    }
    @media (min-width: 64em) {
      .header_top {
        padding: 10px var(--header-pad-x) 14px;
      }
    }
    .header_top_inner {
      display: flex;
      flex-direction: row;
      align-items: flex-end;
      justify-content: space-between;
      max-width: var(--header-wide);
      margin: 0 auto;
      gap: clamp(8px, 1.5vw, 20px);
    }
    @media (max-width: 63.99em) {
      .header_top_inner {
        align-items: flex-start;
      }
      .header_button_tel {
        display: none;
      }
      .header_contact {
        display: none;
      }
      .nav_toggle {
        display: inline-flex;
        width: 44px;
        height: 44px;
        border: 1px solid rgba(47, 51, 49, 0.25);
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.7);
        color: #2f3331;
        z-index: 1004;
      }
    }
    .header_top_inner .site_id {
      flex: 0 0 auto;
      width: auto;
      max-width: min(22rem, 34vw);
      margin: 0;
    }
    .header_top_inner .global_nav_wrap {
      display: flex;
      justify-content: center;
      min-width: 0;
      margin: 0;
    }
    .header_top_inner .global_nav {
      margin: 0;
    }
    .header_top_right {
      flex: 0 0 auto;
      display: flex;
      align-items: flex-start;
      gap: 8px;
      flex-wrap: nowrap;
    }
    .header_contact {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: nowrap;
    }
    @media (min-width: 48em) {
      .header_contact { gap: 12px; }
    }
    .header_top_inner .header_spacer {
      display: none;
    }
    .logo_ph {
      display: block;
      width: 100%;
      min-width: 160px;
      max-width: 215px;
      height: 48px;
      background: var(--ph);
      border: 1px dashed var(--ph-border);
    }
    .site_logo_img {
      display: block;
      width: 100%;
      height: auto;
      max-height: 6rem;
      object-fit: contain;
      object-position: left center;
    }
    @media (min-width: 64em) {
      .site_logo_img {
        max-height: 6.8rem;
      }
    }
    @media (min-width: 64em) {
      .logo_ph { height: 62px; }
    }
    .header_button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      white-space: nowrap;
    }
    /* CONTACT は grid のためベースの nowrap が英日を二段に潰さない */
    a.header_button_contact {
      white-space: normal;
      text-align: center;
    }
    .header_button_tel {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 4.2rem;
      padding: 0 1.4rem;
      font-size: clamp(1.35rem, 3.2vw, 1.75rem);
      color: var(--text-main) !important;
      opacity: 1;
    }
    @media (min-width: 64em) {
      .header_button_tel {
        min-height: 4.6rem;
        padding: 0 18px;
        border: 1px solid rgba(47, 51, 49, 0.35);
        border-radius: 6px;
        font-size: 1.85rem;
        font-weight: 800;
        letter-spacing: 0.03em;
      }
    }
    /* CONTACT：TELと同等サイズの角丸ボタン */
    .header_button_contact {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: auto;
      min-width: 0;
      min-height: 4.2rem;
      padding: 0 1.4rem;
      margin: 0;
      margin-right: 2px;
      border: none;
      border-radius: 6px;
      background: #56b98f;
      color: #fff !important;
      font-size: clamp(1.35rem, 3.2vw, 1.75rem);
      font-weight: 800;
      letter-spacing: 0.03em;
      line-height: 1;
    }
    .header_button_contact .contact_ja {
      display: block;
      margin-top: 0;
      font-size: inherit;
      font-weight: inherit;
      letter-spacing: inherit;
      line-height: inherit;
      opacity: 1;
    }
    @media (min-width: 64em) {
      .header_button_contact {
        min-height: 4.6rem;
        padding: 0 18px;
        border-radius: 6px;
        font-size: 1.85rem;
        font-weight: 800;
        letter-spacing: 0.03em;
      }
      .header_button_contact .contact_ja {
        font-size: inherit;
        letter-spacing: inherit;
      }
    }
    .header_button_contact:hover {
      opacity: 1;
      filter: brightness(1.08);
    }
    .header_button_icon {
      width: 14px;
      height: 14px;
      margin-right: 6px;
      background: var(--text-main);
      border-radius: 50%;
      flex-shrink: 0;
      opacity: 0.35;
    }

    /* ハンバーガー（狭い画面のみ） */
    .nav_toggle {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      position: relative;
      flex-shrink: 0;
      width: 48px;
      height: 48px;
      margin: 0;
      padding: 0;
      border: none;
      background: transparent;
      color: var(--text-main);
      cursor: pointer;
      -webkit-tap-highlight-color: transparent;
    }
    .nav_toggle span {
      display: block;
      width: 54%;
      height: 2px;
      background: currentColor;
      border-radius: 1px;
      transition: transform 0.35s ease, margin 0.35s ease, opacity 0.35s ease;
    }
    .nav_toggle span + span { margin-top: 7px; }
    .site_header.nav_open .nav_toggle span:nth-child(1) {
      transform: translateY(9px) rotate(135deg);
      margin-top: 0;
    }
    .site_header.nav_open .nav_toggle span:nth-child(2) {
      opacity: 0;
      margin-top: 0;
    }
    .site_header.nav_open .nav_toggle span:nth-child(3) {
      transform: translateY(-9px) rotate(-135deg);
      margin-top: 0;
    }
    @media (min-width: 64em) {
      .nav_toggle { display: none; }
    }

    /* スクリム（メニュー開時・背面タップで閉じる） */
    .nav_backdrop {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 1000;
      background: rgba(0, 0, 0, 0.45);
      border: none;
      padding: 0;
      margin: 0;
      cursor: pointer;
    }
    .nav_backdrop.is-visible {
      display: block;
    }

    /* グローバルナビ：狭い画面＝右スライド／広い画面＝ヘッダー中央に同居 */
    @media (max-width: 63.99em) {
      .header_top_inner .global_nav_wrap {
        flex: 0 0 0;
        width: 0;
        min-width: 0;
        overflow: visible;
      }
      .global_nav {
        position: fixed;
        top: 0;
        right: 0;
        z-index: 1001;
        width: min(100%, 400px);
        height: 100vh;
        height: 100dvh;
        overflow-y: auto;
        overflow-x: hidden;
        -webkit-overflow-scrolling: touch;
        padding: 72px 5% 48px;
        background: #5a7168;
        color: #fff;
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.2);
        transform: translate3d(100%, 0, 0);
        transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
        will-change: transform;
      }
      .site_header.nav_open .global_nav {
        transform: translate3d(0, 0, 0);
      }
      .global_nav_list {
        list-style: none;
        display: block;
        width: 100%;
        max-width: none;
        margin: 0;
        padding: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        font-size: 1.6rem;
        font-weight: 500;
      }
      .global_nav_list li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
      }
      .global_nav_list a {
        display: block;
        padding: 18px 8px;
        color: #fff !important;
        text-align: left;
      }
      .global_nav_list a:hover {
        opacity: 0.85;
      }
    }

    @media (min-width: 64em) {
      .header_top_inner {
        align-items: center;
      }
      .header_top_inner .global_nav_wrap {
        flex: 1 1 auto;
      }
      .global_nav {
        position: static;
        height: auto;
        padding: 0;
        background: transparent;
        color: var(--text-main);
        box-shadow: none;
        transform: none !important;
        transition: none;
        overflow: visible;
        display: flex;
        justify-content: center;
      }
      .global_nav_list {
        list-style: none;
        display: flex;
        flex-wrap: nowrap;
        justify-content: center;
        align-items: center;
        gap: clamp(4px, 1.2vw, 14px);
        width: 100%;
        max-width: 56rem;
        margin: 0 auto;
        padding: 4px 4px 0;
        font-size: 1.32rem;
        font-weight: 600;
        letter-spacing: 0.06em;
        border-top: none;
      }
      .global_nav_list li {
        flex: 0 1 auto;
        text-align: center;
        min-width: 0;
        border-bottom: none;
      }
      .global_nav_list a {
        display: block;
        padding: 10px clamp(6px, 0.9vw, 12px) 12px;
        color: var(--text-main) !important;
        white-space: nowrap;
      }
      .global_nav_list a:hover {
        opacity: 0.65;
      }
    }
    @media (min-width: 80em) {
      .global_nav_list {
        font-size: 1.42rem;
        gap: clamp(8px, 1.4vw, 20px);
      }
    }
    @media (max-width: 63.99em) {
      .header_contact,
      .header_button_tel {
        display: none !important;
      }
      .nav_toggle {
        display: inline-flex !important;
        position: relative;
        z-index: 1105;
        width: 44px;
        height: 44px;
        border: 1px solid rgba(47, 51, 49, 0.28);
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.82);
        color: #2f3331;
      }
      .nav_toggle span {
        background: #2f3331 !important;
      }
    }

    body.nav_locked {
      overflow: hidden;
      touch-action: none;
    }

    /* ----- MV（[JOBAN SAUNA](https://joban-sauna.jp/) #mv レイアウト準拠） ----- */
    .c-frame-style__lg {
      overflow: hidden;
      /* 本家 .c-frame-style__lg: 8rem 1.2rem */
      border-radius: min(8rem, 14vw) min(1.2rem, 2vw);
      box-shadow: 0 24px 60px rgba(45, 55, 50, 0.14);
    }
    #mv {
      background-color: var(--mv-beige);
    }
    /* 本家: .mv-wrap { position:relative; margin:0 0 8rem; padding-top:8rem } */
    /* ヘッダーと同じ max-width / 横パディングでロゴ列と画像ブロックの関係を固定 */
    #mv .mv-wrap {
      position: relative;
      max-width: var(--header-wide);
      margin: 0 auto clamp(4rem, 6vw, 8rem);
      padding: clamp(0.2rem, 1vw, 0.8rem) var(--header-pad-x) 0;
      box-sizing: border-box;
    }
    @media (min-width: 48em) {
      #mv .mv-wrap {
        padding-top: clamp(0.4rem, 1.2vw, 1rem);
      }
    }
    /* 本家: 118rem × 右寄せ + margin-right 6rem（親はヘッダーと同じカラム幅） */
    #mv .mv-slider {
      position: relative;
      width: min(118rem, 100%);
      margin-right: clamp(3rem, 5vw, 6rem);
      margin-left: auto;
    }
    #mv .mv-slides {
      position: relative;
      width: 100%;
      height: min(
        calc(100svh - var(--site-header-h) - 16rem),
        75rem
      );
      max-height: 75rem;
    }
    #mv .mv_slide {
      position: absolute;
      inset: 0;
      z-index: 0;
      opacity: 0;
      pointer-events: none;
      transition: opacity 1.4s ease;
      will-change: opacity;
      transform: translateZ(0);
    }
    #mv .mv_slide.is-active {
      z-index: 1;
      opacity: 1;
    }
    #mv .mv-item {
      position: relative;
      width: 100%;
      height: 100%;
      background-color: #dfe8e3;
      background-repeat: no-repeat;
      background-position: center;
      background-size: cover;
      will-change: auto;
      -webkit-backface-visibility: hidden;
      backface-visibility: hidden;
    }
    #mv .mv_slide.is-active .mv-item {
      animation: none;
      transform: none;
      will-change: auto;
    }
    #mv .mv_slide:not(.is-active) .mv-item {
      animation: none;
      transform: none;
    }
    @keyframes mvScrollLine {
      0% {
        transform: scaleY(0);
        transform-origin: top;
        opacity: 0;
      }
      20% {
        opacity: 1;
      }
      100% {
        transform: scaleY(1);
        transform-origin: top;
        opacity: 1;
      }
    }
    .mv-visually-hidden {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }
    /* 本家: .mv-catch { top:14rem; right:12rem } — アニメ用（GSAP） */
    #mv .mv-catch {
      position: absolute;
      top: clamp(4.8rem, 7.2vw, 10rem);
      right: clamp(4.8rem, 10vw, 15rem);
      z-index: 2;
      -webkit-writing-mode: vertical-rl;
      -ms-writing-mode: tb-rl;
      writing-mode: vertical-rl;
      text-orientation: upright;
      font-weight: 500;
      pointer-events: none;
    }
    #mv .mv-catch .mv-catch__box {
      overflow: hidden;
      border-radius: 1rem;
    }
    #mv .mv-catch .mv-catch__box p {
      position: relative;
      will-change: transform;
    }
    #mv .mv-catch .mv-catch__box p span {
      display: inline-block;
      will-change: transform, opacity;
    }
    /* 本家と同様、縦組カラム間は隣接ボックスに margin-right */
    #mv .mv-catch .mv-catch__box + .mv-catch__box {
      margin-right: 0.45rem;
    }
    #mv .mv-catch p {
      display: inline-block;
      margin: 0;
      padding: 2.3rem 0.8rem 1.5rem;
      border-radius: 1rem;
      background: #fff;
      font-size: clamp(1.7rem, 2.2vw, 2.4rem);
      font-weight: 500;
      line-height: 1.15;
      letter-spacing: 0.13em;
      text-align: center;
      color: #56b98f;
      white-space: nowrap;
    }
    /* 本家: .mv-scroll { right:2.3rem; bottom:-5.5rem; padding-bottom:6.5rem } */
    #mv .mv-scroll {
      position: absolute;
      right: clamp(1rem, 2.3vw, 2.3rem);
      bottom: -5.5rem;
      z-index: 2;
      margin: 0;
      padding-bottom: 6.5rem;
      font-family: inherit;
      font-weight: 500;
      font-size: clamp(1rem, 1.3vw, 1.4rem);
      letter-spacing: 0.071em;
      line-height: 1;
      color: var(--text-main);
      opacity: 0.85;
      -webkit-writing-mode: vertical-rl;
      -ms-writing-mode: tb-rl;
      writing-mode: vertical-rl;
      pointer-events: none;
    }
    #mv .mv-scroll::after {
      content: "";
      display: inline-block;
      position: absolute;
      right: 0.7rem;
      bottom: -0.5rem;
      width: 1px;
      height: 6rem;
      background: var(--text-main);
      opacity: 0.45;
      animation: mvScrollLine 2.2s ease-in-out infinite;
    }
    /* 本家 max-width:768px 付近の MV 調整 */
    @media (max-width: 47.99em) {
      #mv .mv-wrap {
        margin: -0.5rem 0 clamp(3rem, 8vw, 6rem);
      }
      #mv .mv-slider {
        width: min(33.5rem, calc(100% - 5rem));
        margin-left: clamp(1rem, 4vw, 4rem);
        margin-right: 0;
      }
      #mv .mv-slides,
      #mv .mv-item {
        height: min(45.3rem, calc(100svh - var(--site-header-h) - 10rem));
        min-height: 220px;
        max-height: 45.3rem;
      }
      #mv .mv-catch {
        top: clamp(8rem, 18vw, 11rem);
        right: clamp(2.6rem, 7vw, 5.6rem);
      }
      #mv .mv-catch .mv-catch__box + .mv-catch__box {
        margin-right: 0.35rem;
      }
      #mv .mv-catch p {
        padding: 1.4rem 0.6rem 0.9rem;
        font-size: 1.7rem;
        letter-spacing: 0.18em;
        line-height: 1.18;
      }
      #mv .mv-scroll {
        left: 1rem;
        right: auto;
        bottom: -5rem;
        padding-bottom: 6rem;
        font-size: 1.1rem;
        letter-spacing: 0.091em;
      }
      #mv .mv-scroll::after {
        right: 0.4rem;
        bottom: 1rem;
        height: 4rem;
      }
    }
    /* ----- 見出しパターン ----- */
    .layout {
      width: 92%;
      max-width: var(--layout-max);
      margin-left: auto;
      margin-right: auto;
    }
    .title_main {
      margin: 0 0 40px;
      font-size: 2.6rem;
      line-height: 1.9;
      text-align: center;
      font-weight: 700;
      color: var(--text-main);
    }
    @media (min-width: 48em) {
      .title_main { font-size: 3rem; margin-bottom: 48px; }
    }

    .heading_01 {
      position: relative;
      margin: 0 0 40px;
      padding-bottom: 24px;
      font-size: 2.4rem;
      line-height: 1.6;
      text-align: center;
      font-weight: 800;
      letter-spacing: 0.04em;
    }
    @media (min-width: 48em) {
      .heading_01 { margin-bottom: 56px; font-size: 3rem; }
    }
    .heading_01::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 120px;
      height: 4px;
      border-radius: 2px;
      background: linear-gradient(
        90deg,
        var(--logo-mint) 0%,
        var(--accent-green-mid) 45%,
        var(--accent-green) 100%
      );
    }

    .section_block {
      margin-bottom: 56px;
      padding: 2rem 0;
      background: transparent;
      border-radius: 0;
      box-shadow: none;
      border: none;
      border-bottom: 1px solid var(--border-soft);
    }
    @media (min-width: 48em) {
      .section_block {
        margin-bottom: 84px;
        padding: 2.5rem 0;
      }
    }

    /* ----- Concept（リプロ https://repro-jp.com/ トップの concept セクションを参考） ----- */
    .concept_section_wrap {
      margin-bottom: 40px;
      border-bottom: 1px solid rgba(196, 201, 196, 0.65);
      overflow: hidden;
    }
    @media (min-width: 48em) {
      .concept_section_wrap { margin-bottom: 60px; }
    }
    /* リプロは #f5f5f3 系。トーンに合わせ極わずかにミント寄り */
    .bg_wallpaper.concept_section_wrap {
      padding: 40px 0 32px;
      background-color: #f4faf6;
      background-image:
        repeating-linear-gradient(
          180deg,
          transparent,
          transparent 3px,
          rgba(255, 255, 255, 0.045) 3px,
          rgba(255, 255, 255, 0.045) 6px
        ),
        radial-gradient(ellipse 120% 80% at 50% 0%, rgba(255, 252, 248, 0.55) 0%, transparent 55%);
      background-repeat: repeat, no-repeat;
    }
    @media (min-width: 48em) {
      .bg_wallpaper.concept_section_wrap {
        padding: 52px 0 40px;
      }
    }
    .concept_section_wrap .layout {
      overflow: visible;
    }
    .concept_kicker {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      margin: 0 0 14px;
      text-align: center;
      font-size: 1.5rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      color: var(--accent-green-mid);
    }
    @media (min-width: 48em) {
      .concept_kicker {
        margin-bottom: 18px;
        gap: 10px;
        font-size: 1.52rem;
      }
    }
    .concept_kicker_en {
      display: block;
      margin: 0;
      font-size: 1.15rem;
      font-weight: 800;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--accent-green-mid);
      line-height: 1.35;
    }
    /* リプロの title_en_inner（マーカー下線）の日本語版 */
    .concept_kicker_inner {
      display: inline-block;
      padding: 0 16px 2px;
      background: linear-gradient(
        transparent 0%,
        transparent 70%,
        rgba(153, 209, 184, 0.48) 70%,
        rgba(153, 209, 184, 0.48) 92%,
        transparent 92%,
        transparent 100%
      );
    }
    .concept_lead {
      position: relative;
      z-index: 1;
      max-width: 685px;
      margin: 0 auto 4px;
      padding-bottom: 12px;
      text-align: center;
    }
    .concept_lead .title_main.concept_headline {
      margin: 0 0 22px;
      font-size: clamp(2.05rem, 4vw, 2.75rem);
      font-weight: 800;
      line-height: 1.55;
      letter-spacing: 0.05em;
      color: var(--text-main);
    }
    @media (min-width: 48em) {
      .concept_lead .title_main.concept_headline {
        margin-bottom: 28px;
        font-size: clamp(2.25rem, 3vw, 2.95rem);
        line-height: 1.5;
      }
    }
    .concept_lead .content_lead.concept_body {
      max-width: 609px;
      margin: 0 auto;
      text-align: center;
      font-size: 1.45rem;
      font-weight: 400;
      line-height: 2.05;
      letter-spacing: 0.04em;
      color: #3a3a38;
    }
    @media (min-width: 48em) {
      .concept_lead .content_lead.concept_body {
        font-size: 1.48rem;
      }
    }
    .concept_lead .concept_closing {
      margin-top: 1.45em;
      text-align: center;
      font-size: 1.6rem;
      font-weight: 500;
      line-height: 2;
      letter-spacing: 0.06em;
      color: var(--accent-green);
    }
    .concept_closing_marker.concept_reveal {
      opacity: 1;
      transform: none;
    }
    .concept_closing_line {
      display: inline;
      padding: 0 0.08em;
      background-image: linear-gradient(
        transparent 62%,
        rgba(255, 220, 88, 0.88) 62%,
        rgba(255, 220, 88, 0.88) 92%,
        transparent 92%
      );
      background-repeat: no-repeat;
      background-size: 0% 100%;
      transition: background-size 2.2s cubic-bezier(0.2, 0.7, 0.2, 1);
      -webkit-box-decoration-break: clone;
      box-decoration-break: clone;
    }
    .concept_closing_marker.is-visible .concept_closing_line {
      background-size: 100% 100%;
    }
    .concept_closing_marker.is-visible .concept_closing_line:nth-of-type(2) {
      transition-delay: 0.55s;
    }
    /* テキスト列の左右装飾（64em以上）— 下端ではなく見出し〜本文付近に寄せる */
    .concept_img {
      display: none;
      position: absolute;
      top: 11rem;
      bottom: auto;
      height: auto;
      max-height: min(52vh, 420px);
      object-fit: cover;
      object-position: center top;
      pointer-events: none;
      box-shadow: 0 16px 48px var(--shadow-green);
    }
    @media (min-width: 64em) {
      .concept_img { display: block; }
    }
    @media (min-width: 80em) {
      .concept_img {
        max-height: min(50vh, 440px);
      }
    }
    /* 左右で縦・横をずらしてリズムを付ける */
    /* 左のみ：縦長画角でトリミング＋大きく表示 */
    .concept_img_left {
      top: 7.5rem;
      width: 46%;
      max-width: 240px;
      min-width: 0;
      aspect-ratio: 2 / 3;
      height: auto;
      /* 本文ブロックを大きく突き抜けさせず、下のギャラリーと重ならない程度高さに抑える */
      max-height: min(34vh, 300px);
      right: 96%;
      object-fit: cover;
      object-position: center center;
      transform: translate(-12px, -8px);
      z-index: 0;
    }
    @media (min-width: 80em) {
      .concept_img_left {
        top: 8rem;
        width: 50%;
        max-width: 260px;
        aspect-ratio: 2 / 3;
        max-height: min(36vh, 320px);
        right: 100%;
        transform: translate(-16px, -12px);
      }
    }
    .concept_img_right {
      top: 14rem;
      left: 99%;
      width: 39.1%;
      transform: translate(12px, 18px);
    }
    @media (min-width: 80em) {
      .concept_img_right {
        top: 15rem;
        left: 100.5%;
        transform: translate(16px, 22px);
      }
    }
    /* スクロールでふわっと表示（Intersection Observer + CSS）
       参考: https://qiita.com/leo_webdesigner/items/230ad5a7e9edc10399b9 */
    .concept_section_wrap .concept_reveal {
      opacity: 0;
      transition:
        opacity 0.95s cubic-bezier(0.33, 1, 0.68, 1),
        transform 0.95s cubic-bezier(0.33, 1, 0.68, 1);
    }
    .concept_section_wrap .concept_reveal.is-visible {
      opacity: 1;
    }
    .concept_section_wrap .concept_img_left.concept_reveal:not(.is-visible) {
      transform: translate(-12px, calc(-8px + 46px));
    }
    .concept_section_wrap .concept_img_left.concept_reveal.is-visible {
      transform: translate(-12px, -8px);
    }
    @media (min-width: 80em) {
      .concept_section_wrap .concept_img_left.concept_reveal:not(.is-visible) {
        transform: translate(-16px, calc(-12px + 46px));
      }
      .concept_section_wrap .concept_img_left.concept_reveal.is-visible {
        transform: translate(-16px, -12px);
      }
    }
    .concept_section_wrap .concept_img_right.concept_reveal:not(.is-visible) {
      transform: translate(12px, calc(18px + 46px));
    }
    .concept_section_wrap .concept_img_right.concept_reveal.is-visible {
      transform: translate(12px, 18px);
    }
    @media (min-width: 80em) {
      .concept_section_wrap .concept_img_right.concept_reveal:not(.is-visible) {
        transform: translate(16px, calc(22px + 46px));
      }
      .concept_section_wrap .concept_img_right.concept_reveal.is-visible {
        transform: translate(16px, 22px);
      }
    }
    .concept_section_wrap .gallery_item.concept_reveal:not(.is-visible) {
      transform: translateY(46px);
    }
    .concept_section_wrap .gallery_item.concept_reveal.is-visible {
      transform: none;
    }
    .concept_section_wrap .gallery_item.concept_reveal:nth-child(1) {
      transition-delay: 0s;
    }
    .concept_section_wrap .gallery_item.concept_reveal:nth-child(2) {
      transition-delay: 0.2s;
    }
    .concept_section_wrap .gallery_item.concept_reveal:nth-child(3) {
      transition-delay: 0.4s;
    }
    .concept_gallery {
      position: relative;
      z-index: 2;
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      justify-content: center;
      max-width: 920px;
      margin: 0 auto;
      padding: 0 2%;
      /* 透明のままだと装飾画像がギャラリー手前に見えるため、セクション同色で塗る */
      background-color: #f4faf6;
    }
    @media (min-width: 48em) {
      .concept_gallery {
        flex-wrap: nowrap;
        align-items: flex-end;
        max-width: none;
        width: 104%;
        margin-left: -2%;
        margin-top: -6px;
        padding: 0;
      }
    }
    .gallery_item {
      display: block;
      max-width: 100%;
      height: auto;
      object-fit: cover;
      object-position: center 46%;
      vertical-align: bottom;
      border-radius: 10px;
      box-shadow: 0 12px 40px var(--shadow-green);
    }
    .gallery_item:first-child {
      width: 43.75%;
      margin: 0 6.575% 0 -5.3%;
    }
    .gallery_item:nth-child(2) {
      width: 31.8%;
      margin: 1% 6.575% 0 0;
    }
    .gallery_item:nth-child(3) {
      width: 24.9%;
      margin: 0 -8.3% 0 0;
    }
    @media (max-width: 47.99em) {
      .concept_img {
        display: none;
      }
      .concept_gallery {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: flex-start;
        justify-content: flex-start;
        width: 100%;
        margin: 0 auto;
        padding: 0;
        gap: 10px;
      }
      .gallery_item,
      .gallery_item:first-child,
      .gallery_item:nth-child(2),
      .gallery_item:nth-child(3) {
        width: calc((100% - 20px) / 3);
        margin: 0;
        flex: 0 0 calc((100% - 20px) / 3);
      }
    }
    .content_lead {
      font-weight: 500;
      letter-spacing: 0.05em;
    }

    /* ----- 選ばれる理由：カード列レイアウト ＋ 背景写真（薄オーバーレイ） ----- */
    .reason_section {
      padding: 42px 0 44px;
      background-color: #eef8f2;
      background-image:
        linear-gradient(
          180deg,
          rgba(255, 255, 255, 0.68) 0%,
          rgba(246, 250, 247, 0.56) 42%,
          rgba(194, 225, 209, 0.74) 100%
        ),
        url("../images/img/AdobeStock_129839245.webp");
      background-size: cover;
      background-position: center center;
      background-repeat: no-repeat;
      background-attachment: scroll;
      /* 下は波形へ続くため直線の border は付けない */
    }
    @media (min-width: 48em) {
      .reason_section {
        padding: 56px 0 62px;
        background-attachment: scroll;
      }
    }
    .reason_section .section_block {
      border-bottom: none;
    }
    .main_point_intro {
      margin: 0 auto 40px;
      max-width: 640px;
      padding: 0 4%;
      font-size: 1.55rem;
      font-weight: 500;
      line-height: 1.85;
      text-align: center;
      letter-spacing: 0.06em;
      color: var(--text-main);
    }
    @media (min-width: 48em) {
      .main_point_intro {
        margin-bottom: 48px;
        font-size: 1.65rem;
      }
    }
    .main_point_list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 20px;
      grid-template-columns: 1fr;
    }
    @media (min-width: 48em) {
      .main_point_list {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        align-items: stretch;
      }
    }
    @media (min-width: 64em) {
      .main_point_list {
        gap: 28px;
      }
    }
    .main_point_item {
      display: flex;
      flex-direction: column;
      margin: 0;
      padding: 26px 22px 30px;
      background: #fff;
      border: 1px solid rgba(153, 209, 184, 0.35);
      border-radius: 10px;
      box-shadow: 0 4px 24px rgba(0, 153, 127, 0.1);
    }
    .main_point_list .main_point_item {
      opacity: 0;
      transform: translateY(38px);
      transition:
        opacity 0.9s cubic-bezier(0.33, 1, 0.68, 1),
        transform 0.9s cubic-bezier(0.33, 1, 0.68, 1);
    }
    .main_point_list .main_point_item.is-visible {
      opacity: 1;
      transform: translateY(0);
      border-color: rgba(0, 153, 127, 0.9);
    }
    .main_point_list .main_point_item:nth-child(2) {
      transition-delay: 0.14s;
    }
    .main_point_list .main_point_item:nth-child(3) {
      transition-delay: 0.28s;
    }
    @media (min-width: 48em) {
      .main_point_item {
        padding: 28px 22px 32px;
      }
    }
    .main_point_num {
      display: block;
      margin-bottom: 14px;
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: 0.12em;
      color: var(--accent-green-mid);
      line-height: 1;
    }
    .main_point_title {
      margin: 0 0 14px;
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.45;
      letter-spacing: 0.04em;
      color: var(--accent-green);
    }
    .reason_dot_char {
      position: relative;
      display: inline-block;
      padding-top: 10px;
    }
    .reason_dot_char::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #ffd54d;
    }
    .main_point_title .marker_yellow {
      display: inline;
      padding: 0 0.08em;
      background-image: linear-gradient(
        transparent 64%,
        rgba(255, 220, 88, 0.85) 64%,
        rgba(255, 220, 88, 0.85) 92%,
        transparent 92%
      );
      background-repeat: no-repeat;
      background-size: 100% 100%;
      -webkit-box-decoration-break: clone;
      box-decoration-break: clone;
    }
    @media (min-width: 48em) {
      .main_point_title {
        font-size: 2.2rem;
        min-height: 2.6em;
      }
    }
    .main_point_text {
      margin: 0;
      font-size: 1.42rem;
      font-weight: 400;
      line-height: 1.9;
      letter-spacing: 0.03em;
      color: #444;
      flex-grow: 1;
    }

    /* ----- 施工事例 ----- */
    .works_section {
      background: #f7fbf9;
      width: 100%;
      max-width: none;
      margin-left: 0;
      margin-right: 0;
      padding-left: 4%;
      padding-right: 4%;
      padding-top: clamp(48px, 8vw, 92px);
      padding-bottom: clamp(48px, 8vw, 92px);
      margin-bottom: 0;
      border-bottom: 1px solid rgba(86, 122, 109, 0.24);
    }
    .works_section .section_headline {
      margin-bottom: clamp(36px, 5vw, 48px);
    }
    /* 施工事例：横スライド（同サイズ6枚） */
    .works_carousel {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scroll-snap-type: none;
      scroll-padding: 12px;
      padding: 6px 2px 14px;
      cursor: grab;
      touch-action: pan-y;
      scrollbar-width: none;
    }
    .works_carousel::-webkit-scrollbar {
      display: none;
    }
    .works_carousel.is-dragging {
      cursor: grabbing;
      user-select: none;
    }
    .works_carousel.is-dragging * {
      user-select: none;
    }
    .works_track {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(240px, 1fr);
      gap: clamp(12px, 2.2vw, 18px);
      align-items: start;
    }
    @media (min-width: 48em) {
      .works_track {
        grid-auto-columns: minmax(280px, 340px);
      }
    }
    @media (min-width: 64em) {
      .works_track {
        grid-auto-columns: minmax(300px, 360px);
      }
    }
    .works_slide {
      scroll-snap-align: none;
      position: relative;
      overflow: hidden;
      border-radius: 14px;
      box-shadow: 0 14px 44px rgba(74, 92, 86, 0.14);
      background: #fff;
    }
    .works_slide::before {
      content: "";
      display: block;
      padding-top: 66%;
    }
    .works_slide_img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center 45%;
      transform: scale(1.02);
      transition: transform 0.75s cubic-bezier(0.33, 1, 0.68, 1);
    }
    .works_slide_caption {
      position: absolute;
      inset: auto 0 0 0;
      padding: 14px 14px 12px;
      color: #fff;
      background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.62) 70%, rgba(0,0,0,0.72) 100%);
    }
    .works_slide_title {
      margin: 0;
      font-size: 1.45rem;
      font-weight: 800;
      line-height: 1.4;
      letter-spacing: 0.03em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .works_slide_meta {
      margin: 6px 0 0;
      font-size: 1.15rem;
      letter-spacing: 0.06em;
      opacity: 0.92;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .works_slide:hover .works_slide_img {
      transform: scale(1.08);
    }
    @media (prefers-reduced-motion: reduce) {
      .works_slide_img {
        transition: none;
        transform: none;
      }
      .works_carousel {
        scroll-snap-type: none;
      }
    }
    .button {
      display: inline-block;
    }
    .button_main {
      display: inline-block;
      position: relative;
      width: 100%;
      margin: 0 auto;
      padding: 15px 40px;
      border: 3px solid var(--text-main);
      border-radius: 8px;
      font-size: 1.8rem;
      font-weight: 700;
      letter-spacing: 0.03em;
      text-align: center;
      transition: background 0.3s ease, color 0.3s ease;
    }
    @media (min-width: 48em) {
      .button_main {
        max-width: 306px;
      }
    }
    .button_main::before,
    .button_main::after {
      position: absolute;
      top: 50%;
      content: "";
    }
    .button_main::before {
      right: 18px;
      width: 18px;
      height: 2px;
      background: currentColor;
      transform: translateY(-50%);
    }
    .button_main::after {
      right: 14px;
      width: 8px;
      height: 8px;
      background: transparent;
      border-top: 2px solid currentColor;
      border-right: 2px solid currentColor;
      transform: translateY(-50%) rotate(45deg);
    }
    .button_main:hover,
    .button_main:focus-visible {
      background: var(--text-main);
      color: #fff;
    }
    .button_center {
      text-align: center;
      margin-top: 32px;
    }
    .service_intro_col .button_center {
      margin-top: 0;
      text-align: left;
    }

    /* ----- サービス／お知らせ／工事の流れ（波形で境目＋セクション内の見せ方で差別化） ----- */
    /* セクション間の波形（直線ではなく曲線で切り替え） */
    .section_wave {
      display: block;
      line-height: 0;
      margin: 0;
      padding: 0;
    }
    .section_wave__svg {
      display: block;
      width: 100%;
      height: clamp(36px, 6.5vw, 64px);
      vertical-align: top;
    }
    /* 塗り＝波の直上セクションの地色（上とつながって自然に見える） */
    /* 選ばれる理由末〜写真＋グラデのトーンに合わせたミント */
    .section_wave--down-mint .section_wave__path {
      fill: #56b98f;
    }
    .section_wave--up-mint .section_wave__path {
      fill: #56b98f;
    }
    .section_wave--up-mint {
      position: relative;
      z-index: 1;
      margin-top: calc(clamp(36px, 6.5vw, 64px) * -1);
    }
    .section_wave--down-split .section_wave__path {
      fill: #fafcfb;
    }

    .content_band {
      position: relative;
      padding: clamp(48px, 8vw, 90px) 0;
      border-bottom: none;
    }
    .content_band .section_block {
      margin-bottom: 0;
      padding: 0;
      border-bottom: none;
    }
    /* サービス：JOBAN #enjoy のような色面ベース（白カード感を弱める） */
    .content_band--service {
      background: #56b98f;
      padding-top: clamp(22px, 3.8vw, 36px);
      padding-bottom: clamp(22px, 3.8vw, 36px);
    }
    .content_band--service .band_card {
      max-width: 1080px;
      margin: 0 auto;
      padding: clamp(10px, 2vw, 18px) clamp(16px, 3vw, 28px) clamp(14px, 2.4vw, 24px);
      background: transparent;
      border-radius: 0;
      border: none;
      box-shadow: none;
    }
    .content_band--service .section_headline {
      margin: 0 0 clamp(24px, 3.2vw, 34px);
      padding: 0;
      max-width: none;
      text-align: left;
    }
    .content_band--service .heading_feature {
      padding: 8px 0 14px;
    }
    .content_band--service .heading_feature::after {
      left: 0;
      bottom: 0;
      transform: none;
      width: 96px;
      height: 3px;
      border-radius: 2px;
      background: #ffd54d;
    }
    .content_band--service .feature_split {
      max-width: none;
      margin: 0;
    }
    @media (min-width: 56em) {
      .content_band--service .feature_split {
        grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.38fr);
        gap: clamp(24px, 3.6vw, 40px);
        align-items: start;
      }
      .content_band--service .feature_split__body {
        order: 1;
      }
      .content_band--service .feature_split__media {
        order: 2;
      }
      .content_band--service .feature_media_frame {
        min-height: clamp(360px, 40vw, 520px);
      }
    }
    .content_band--service .section_eyebrow,
    .content_band--service .heading_feature,
    .content_band--service .section_tagline,
    .content_band--service .service_body {
      color: #fff;
    }
    .content_band--service .text_yellow {
      color: #ffd54d;
      font-weight: 700;
    }
    .content_band--service .heading_feature::after {
      background: #ffd54d;
    }
    .content_band--service .feature_media_frame {
      border: none;
      border-radius: 10px;
      box-shadow: none;
      background: transparent;
      aspect-ratio: auto;
      min-height: 0;
      padding: 0;
    }
    .content_band--service .feature_media_frame::before,
    .content_band--service .feature_media_frame::after {
      display: none;
    }
    .content_band--service .feature_media_img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center center;
      display: block;
    }
    .content_band--service .feature_prose {
      background: transparent;
      border: none;
      box-shadow: none;
      color: #fff;
      padding: 8px 0;
    }
    .content_band--service .feature_prose .service_body {
      color: #fff !important;
    }
    .content_band--service .button_main {
      border-color: #ffd54d;
      color: #fff;
      background: transparent;
    }
    .content_band--service .button_main:hover,
    .content_band--service .button_main:focus-visible {
      background: #ffd54d;
      color: #3d6256;
    }
    .content_band--service .feature_prose .button_center {
      text-align: left;
      margin-top: 1.2rem;
    }
    .content_band--service .button_main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: auto;
      max-width: none;
      padding: 10px 28px;
      font-size: 1.55rem;
      border-width: 2px;
      line-height: 1.2;
    }
    .content_band--service .button_main::before,
    .content_band--service .button_main::after {
      display: none;
    }

    /* お知らせ：ロゴ色（#99d1b8 系）でまとめる */
    .content_band--news {
      background: linear-gradient(165deg, #7fd0ad 0%, var(--logo-mint) 38%, #4a8f6f 100%);
      padding-top: clamp(28px, 4.8vw, 52px);
      padding-bottom: clamp(32px, 5.6vw, 60px);
      border-bottom: 2px solid rgba(58, 97, 84, 0.36);
    }
    .content_band--news .section_headline {
      max-width: 720px;
      margin-left: auto;
      margin-right: auto;
      margin-bottom: clamp(18px, 3vw, 28px);
      padding: clamp(10px, 1.8vw, 16px) clamp(12px, 2.2vw, 20px);
      background: transparent;
      border-radius: 0;
      border: none;
      box-shadow: none;
    }
    .content_band--news .section_eyebrow {
      color: var(--accent-green);
    }
    .content_band--news .heading_feature {
      color: var(--text-main);
    }
    .content_band--news .section_tagline {
      color: #2f3d38;
    }

    /* 工事の流れ：左に大きな画像、右に左揃えテキスト */
    .content_band--flow {
      background: linear-gradient(180deg, #dcece3 0%, #cfe2d8 100%);
      padding-top: clamp(48px, 8vw, 92px);
      padding-bottom: clamp(48px, 8vw, 92px);
      border-top: 2px solid rgba(0, 153, 127, 0.34);
      border-bottom: 2px solid rgba(86, 122, 109, 0.34);
    }
    .content_band--flow .feature_split {
      display: flex;
      flex-direction: column;
      max-width: 1080px;
      align-items: stretch;
      gap: clamp(20px, 3vw, 32px);
    }
    .content_band--flow .feature_split__media,
    .content_band--flow .feature_split__body {
      position: relative;
      z-index: 0;
      margin: 0;
      width: auto;
      max-width: none;
      min-width: 0;
    }
    @media (min-width: 56em) {
      .content_band--flow .feature_split {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: stretch;
        gap: clamp(24px, 3.6vw, 40px);
      }
      .content_band--flow .feature_split__media {
        order: 1;
        flex: 0 0 52%;
        max-width: 52%;
        display: flex;
        align-self: stretch;
      }
      .content_band--flow .feature_split__body {
        order: 2;
        flex: 1 1 auto;
        max-width: calc(48% - clamp(24px, 3.6vw, 40px));
      }
    }
    .content_band--flow .section_headline {
      margin: 0 0 clamp(20px, 2.8vw, 30px);
      padding: 0 clamp(20px, 3.2vw, 34px);
      max-width: none;
      text-align: left;
    }
    .content_band--flow .section_headline::after {
      display: none;
    }
    .content_band--flow .heading_feature::after {
      left: 0;
      bottom: 0;
      transform: none;
      width: 96px;
      height: 3px;
      border-radius: 2px;
      background: var(--accent-green);
    }
    .content_band--flow .feature_media_frame {
      width: 100%;
      min-height: 0;
      border: 1px solid rgba(0, 153, 127, 0.16);
      box-shadow: 0 12px 36px rgba(74, 92, 86, 0.09);
      aspect-ratio: auto;
      overflow: hidden;
    }
    .content_band--flow .feature_media_frame::before,
    .content_band--flow .feature_media_frame::after {
      display: none;
    }
    .content_band--flow .feature_media_frame::after {
      display: block;
      content: "";
      position: absolute;
      inset: 0;
      z-index: 2;
      pointer-events: none;
      background: linear-gradient(180deg, rgba(22, 39, 34, 0) 40%, rgba(22, 39, 34, 0.22) 100%);
    }
    .content_band--flow .feature_media_frame .feature_media_img {
      width: 100%;
      height: auto;
      object-fit: contain;
      object-position: center top;
      vertical-align: top;
    }
    @media (min-width: 56em) {
      .content_band--flow .feature_media_frame {
        flex: 1 1 auto;
        min-height: 100%;
      }
      .content_band--flow .feature_media_frame .feature_media_img {
        height: 100%;
        width: 100%;
        max-width: none;
        margin-left: 0;
        object-fit: cover;
        object-position: center center;
      }
    }
    .content_band--flow .feature_prose {
      background: #fff;
      border: 2px solid #ffd54d;
      box-shadow: 0 12px 36px rgba(74, 92, 86, 0.09);
      padding: clamp(24px, 3.6vw, 36px) clamp(20px, 3.2vw, 34px);
      margin: 0;
      height: auto;
    }
    .content_band--flow .section_tagline,
    .content_band--flow .flow_lead {
      text-align: left;
    }
    .content_band--flow .heading_feature,
    .content_band--flow .section_tagline,
    .content_band--flow .flow_lead {
      margin-left: 0;
      margin-right: 0;
    }
    .content_band--flow .feature_prose .button_center {
      text-align: left;
      margin-top: 1.2rem;
    }
    .content_band--flow .button_main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: auto;
      max-width: none;
      padding: 10px 28px;
      font-size: 1.55rem;
      border-width: 2px;
      border-color: var(--accent-green);
      line-height: 1.2;
    }
    .content_band--flow .button_main::before,
    .content_band--flow .button_main::after {
      display: none;
    }
    /* レガシー互換（未使用だが残す場合あり） */
    .content_band--surface {
      background: linear-gradient(
        165deg,
        #f0faf5 0%,
        #fff 48%,
        #fffcf8 100%
      );
    }
    .content_band--muted {
      background: linear-gradient(180deg, #fff 0%, #eef8f3 100%);
    }
    .section_headline {
      text-align: center;
      margin: 0 auto clamp(40px, 5.5vw, 56px);
      max-width: 720px;
      padding: 0 4%;
    }
    .section_eyebrow {
      margin: 0 0 10px;
      font-size: 1.15rem;
      font-weight: 800;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--accent-green-mid);
      display: none;
    }
    @media (min-width: 48em) {
      .section_eyebrow {
        font-size: 1.22rem;
        margin-bottom: 14px;
        letter-spacing: 0.28em;
      }
    }
    .heading_feature {
      position: relative;
      margin: 0 0 14px;
      padding-bottom: 22px;
      font-size: clamp(1.85rem, 3.9vw, 2.65rem);
      font-weight: 800;
      line-height: 1.3;
      letter-spacing: 0.05em;
      color: var(--text-main);
    }
    .heading_feature--solo {
      margin-bottom: 0;
    }
    .heading_feature::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: min(100px, 18vw);
      height: 4px;
      border-radius: 2px;
      background: linear-gradient(
        90deg,
        var(--logo-mint),
        var(--accent-green-mid),
        var(--accent-green)
      );
    }
    .section_tagline {
      margin: 0;
      font-size: 1.48rem;
      font-weight: 500;
      line-height: 1.85;
      letter-spacing: 0.04em;
      color: #4d5653;
    }
    @media (min-width: 48em) {
      .section_tagline {
        font-size: 1.55rem;
      }
    }
    .feature_split {
      display: grid;
      gap: clamp(24px, 4vw, 36px);
      align-items: stretch;
      max-width: 1080px;
      margin: 0 auto;
    }
    @media (min-width: 56em) {
      .feature_split {
        grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
        gap: 40px;
        align-items: center;
      }
      .feature_split--reverse {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
      }
      .feature_split--reverse .feature_split__body {
        order: 1;
      }
      .feature_split--reverse .feature_split__media {
        order: 2;
      }
    }
    .feature_media_frame {
      position: relative;
      margin: 0;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid rgba(0, 153, 127, 0.16);
      box-shadow: 0 16px 48px var(--shadow-green);
      background: #fff;
    }
    /* 写真内側の細い枠（エディトリアルな締まり） */
    .feature_media_frame::after {
      content: "";
      position: absolute;
      inset: clamp(10px, 2vw, 18px);
      border: 1px solid rgba(255, 255, 255, 0.55);
      border-radius: 8px;
      pointer-events: none;
      z-index: 3;
      box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.04);
    }
    .feature_media_frame::before {
      content: "";
      position: absolute;
      inset: 0 auto 0 0;
      width: 5px;
      z-index: 2;
      background: linear-gradient(
        180deg,
        var(--logo-mint) 0%,
        var(--accent-green-mid) 50%,
        var(--accent-green) 100%
      );
      pointer-events: none;
    }
    .feature_media_frame .service_img_ph {
      margin: 0;
      border: none;
      border-radius: 0;
      width: 100%;
    }
    .feature_media_frame .feature_media_img {
      display: block;
      position: relative;
      z-index: 0;
      width: 100%;
      height: auto;
      vertical-align: middle;
      object-fit: cover;
      object-position: center 40%;
    }
    .feature_media_frame.scroll_reveal_up {
      opacity: 0;
      transform: translateY(34px);
      transition: opacity 0.75s ease, transform 0.85s cubic-bezier(0.18, 0.7, 0.2, 1);
      will-change: opacity, transform;
    }
    .feature_media_frame.scroll_reveal_up.is-visible {
      opacity: 1;
      transform: translateY(0);
    }
    .feature_prose {
      height: 100%;
      margin: 0;
      padding: clamp(26px, 4vw, 40px) clamp(22px, 3.5vw, 36px) clamp(28px, 4vw, 44px);
      background: #fff;
      border-radius: 12px;
      border: 1px solid rgba(0, 153, 127, 0.14);
      box-shadow: 0 6px 36px var(--shadow-green);
    }
    .feature_prose .service_body {
      margin: 0 0 2rem;
      font-size: 1.52rem;
      line-height: 2;
      letter-spacing: 0.03em;
      color: #3a403e;
    }
    .feature_prose .button_center {
      margin-top: 0;
    }

    /* ----- サービス内容・工事の流れ（レガシー互換：未使用ブロック削除済み枠） ----- */
    .bg_wallpaper {
      padding: 56px 0 48px;
      background: none;
    }
    .service_intro {
      display: flex;
      flex-direction: column;
      gap: 20px;
      align-items: stretch;
    }
    @media (min-width: 48em) {
      .service_intro {
        flex-direction: row;
        align-items: flex-start;
        gap: 32px;
      }
    }
    .service_img_ph {
      flex-shrink: 0;
      width: 100%;
      aspect-ratio: 920 / 400;
      background: var(--ph);
      border: 1px dashed var(--ph-border);
      border-radius: 4px;
    }
    @media (min-width: 48em) {
      .service_intro .service_img_ph {
        width: 52%;
        max-width: 520px;
      }
    }
    .service_intro_col {
      flex: 1;
      min-width: 0;
    }
    .service_body {
      margin: 0 0 1.5em;
      font-size: 1.5rem;
      line-height: 1.85;
    }

    /* ----- お知らせ（リスト） ----- */
    .news_section {
      background: transparent;
      border-bottom: none;
    }
    .news_panel {
      max-width: 820px;
      margin: 0 auto;
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid rgba(0, 153, 127, 0.28);
      border-radius: 16px;
      border-top: 4px solid var(--logo-mint);
      box-shadow: 0 12px 40px rgba(40, 80, 65, 0.15);
      overflow: hidden;
    }
    .news_list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .news_list li {
      margin: 0;
      padding: 0;
      border-bottom: 1px solid var(--accent-green-light);
      font-size: 1.5rem;
      transition: background 0.2s ease;
    }
    .news_list li:last-child {
      border-bottom: none;
    }
    .news_list li:nth-child(n + 4) {
      display: none;
    }
    .news_list li:hover {
      background: rgba(153, 209, 184, 0.06);
    }
    .news_row {
      display: flex;
      flex-wrap: wrap;
      align-items: baseline;
      gap: 6px 16px;
      padding: 20px clamp(18px, 3vw, 28px);
      color: inherit;
      text-decoration: none;
      transition: opacity 0.2s ease;
    }
    .news_row:hover {
      opacity: 0.82;
    }
    .news_row__date {
      flex: 0 0 auto;
      font-size: 1.3rem;
      font-weight: 700;
      font-variant-numeric: tabular-nums;
      letter-spacing: 0.06em;
      color: #3d6b5c;
    }
    .news_row__title {
      flex: 1 1 200px;
      font-size: 1.48rem;
      font-weight: 600;
      line-height: 1.55;
      letter-spacing: 0.02em;
    }
    .news_footer {
      margin-top: clamp(28px, 4vw, 40px);
      text-align: center;
    }
    .content_band--news .button_main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: auto;
      max-width: none;
      padding: 10px 28px;
      font-size: 1.55rem;
      border-width: 2px;
      line-height: 1.2;
    }
    .content_band--news .button_main::before,
    .content_band--news .button_main::after {
      display: none;
    }

    /* ----- 工事の流れ ----- */
    .flow_lead {
      margin: 0 0 1.2em;
      font-size: 1.53rem;
      line-height: 1.95;
      letter-spacing: 0.03em;
      color: #3a403e;
    }
    .flow_lead:last-of-type {
      margin-bottom: 2rem;
    }
    .feature_prose .flow_lead {
      font-size: 1.52rem;
      line-height: 2;
    }

    /* ----- CONTACT（joban-sauna.jp を参考） ----- */
    #contact {
      margin-top: 56px;
      background: var(--ivory);
    }
    #contact .contact-wrap {
      position: relative;
      padding: clamp(56px, 7vw, 88px) 0 clamp(56px, 7vw, 92px);
      border-radius: clamp(68px, 12vw, 160px) clamp(68px, 12vw, 160px) 0 0;
      background-color: #3b524a;
      background-image:
        radial-gradient(ellipse 140% 90% at 50% 0%, rgba(255, 255, 255, 0.08) 0%, rgba(0, 0, 0, 0) 60%),
        url("../images/img/AdobeStock_344228220.webp");
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      background-blend-mode: soft-light;
    }
    #contact .contact-wrap::after {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0.22) 42%, rgba(0,0,0,0.18) 100%);
      pointer-events: none;
    }
    #contact .contact_head {
      position: relative;
      z-index: 1;
      text-align: center;
      color: #fff;
      margin: 0 auto clamp(26px, 4vw, 40px);
      padding: 0 4%;
    }
    #contact .contact_head .contact_title_en {
      margin: 0;
      font-size: 1.15rem;
      font-weight: 800;
      letter-spacing: 0.24em;
      text-transform: uppercase;
      color: var(--accent-green-mid);
    }
    @media (min-width: 48em) {
      #contact .contact_head .contact_title_en {
        font-size: 1.22rem;
        letter-spacing: 0.28em;
      }
    }
    #contact .contact_head .contact_lead {
      margin: 0;
      padding-bottom: 22px;
      font-size: clamp(1.85rem, 3.9vw, 2.65rem);
      font-weight: 800;
      line-height: 1.3;
      letter-spacing: 0.05em;
      color: #fff;
    }
    #contact .contact_form_shell {
      position: relative;
      z-index: 1;
      width: min(920px, 92%);
      margin: 0 auto;
      padding: clamp(20px, 4vw, 44px) clamp(18px, 4vw, 56px);
      background: rgba(255, 255, 255, 0.96);
      border-radius: 18px;
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 18px 60px rgba(0, 0, 0, 0.18);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }
    #contact .contact_form {
      display: grid;
      gap: 14px;
    }
    #contact .row {
      display: grid;
      gap: 8px;
    }
    @media (min-width: 56em) {
      #contact .row {
        grid-template-columns: 240px 1fr;
        align-items: start;
        gap: 18px;
      }
    }
    #contact .row-title {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 800;
      padding-top: 6px;
    }
    #contact .mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 64px;
      padding: 6px 10px;
      border-radius: 999px;
      font-size: 1.1rem;
      font-weight: 800;
      background: rgba(47, 51, 49, 0.12);
      color: rgba(47, 51, 49, 0.85);
    }
    #contact .mark.must {
      background: var(--accent-green);
      color: #fff;
    }
    #contact .input {
      width: 100%;
      padding: 12px 12px;
      border-radius: 8px;
      border: 1px solid rgba(0, 153, 127, 0.22);
      background: #f3f7f5;
      outline: none;
    }
    #contact textarea.input {
      min-height: 180px;
      resize: vertical;
    }
    #contact .row-privacy {
      text-align: center;
      margin-top: 6px;
    }
    #contact .row-privacy input {
      position: absolute;
      opacity: 0;
      pointer-events: none;
    }
    #contact .row-privacy label {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      cursor: pointer;
      user-select: none;
    }
    #contact .row-privacy label::before {
      content: "";
      width: 18px;
      height: 18px;
      border-radius: 4px;
      border: 2px solid rgba(47, 51, 49, 0.55);
      background: #fff;
      flex-shrink: 0;
    }
    #contact .row-privacy input:checked + label::before {
      background: var(--accent-green);
      border-color: var(--accent-green);
      box-shadow: inset 0 0 0 2px rgba(255,255,255,0.85);
    }
    #contact .contact_privacy_link {
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    #contact .contact_submit {
      display: flex;
      justify-content: center;
      align-items: center;
      width: min(320px, 100%);
      margin: 14px auto 0;
      padding: 12px 16px;
      border-radius: 999px;
      border: 2px solid var(--accent-green);
      background: var(--accent-green);
      color: #fff;
      font-size: 1.65rem;
      font-weight: 800;
      letter-spacing: 0.06em;
      transition: filter 0.25s ease, transform 0.25s ease;
    }
    #contact .contact_submit:hover,
    #contact .contact_submit:focus-visible {
      filter: brightness(1.05);
      transform: translateY(-1px);
    }

    /* ----- フッター ----- */
    .site_footer {
      margin-top: 0;
      background: #56b98f;
      color: #fff;
      padding: 56px 0 0;
      border-top: 1px solid rgba(255, 255, 255, 0.24);
    }
    .footer_inner {
      width: 92%;
      max-width: var(--layout-max);
      margin: 0 auto 40px;
      display: grid;
      gap: 28px;
    }
    @media (min-width: 48em) {
      .footer_inner {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
      }
    }
    .footer_logo {
      display: block;
      width: 180px;
      max-width: 72%;
      height: auto;
      margin: 0 0 12px;
    }
    .footer_addr {
      font-size: 1.5rem;
      line-height: 1.7;
      margin: 0;
    }
    .footer_links {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      margin-top: 16px;
    }
    .footer_links a {
      color: #fff;
      border-bottom: 1px solid transparent;
    }
    .footer_links a:hover {
      border-bottom-color: #fff;
      opacity: 1;
    }
    .copyright {
      margin: 0;
      padding: 18px 4%;
      border-top: 1px solid rgba(255, 255, 255, 0.28);
      font-size: 1.4rem;
      text-align: center;
    }

    .align_c { text-align: center; }

/* ----- 下層ページヒーロー（subpage.css と併用・キャッシュ対策） ----- */
body.is-subpage .page-hero {
  display: flex;
  justify-content: center;
  padding: clamp(96px, 14vw, 144px) 4% clamp(80px, 12vw, 120px);
  text-align: center;
}
body.is-subpage .page-hero__inner {
  box-sizing: border-box;
  width: min(92%, var(--layout-max));
  max-width: var(--layout-max);
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
body.is-subpage .page-hero__title {
  margin: 0;
  width: auto;
  max-width: 100%;
  -webkit-text-stroke: 2px #fff;
  paint-order: stroke fill;
  text-align: center;
}
body.is-subpage .page-hero__title::after {
  margin-left: auto;
  margin-right: auto;
}