@charset "UTF-8";

/* ==========================================================================
   1. デザイン解析に基づく変数定義 (:root)
   ========================================================================== */
:root {
  --clr-main: #0b3a60;
  --clr-nav: #003c7b;
  --clr-sub: #009bc4;
  --clr-accent: #f26622;
  --clr-bg-light: #f4f9fc;
  --clr-text: #222222;
  --clr-white: #ffffff;

  --font-base: "Noto Sans JP", sans-serif;

  --space-sm: clamp(10px, 1.25vw + 6px, 20px);
  --space-md: clamp(20px, 2.5vw + 12px, 40px);
  --space-lg: clamp(40px, 5vw + 24px, 80px);
  --space-xl: clamp(60px, 7.5vw + 36px, 120px);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 30px;

  --max-width: 1200px;
  --header-gap: clamp(20px, 2.5vw, 48px);
  --header-logo-size: clamp(1.8rem, 1.6vw, 2.4rem);
  --header-nav-size: clamp(1.4rem, 1.2vw, 1.6rem);
  --header-nav-gap: clamp(15px, 2vw, 35px);
  --header-tel-size: clamp(2.2rem, 2vw, 3rem);
  --header-btn-size: clamp(1.4rem, 1.2vw, 1.7rem);

  --fixed-cv-height: 64px;
  --header-pc-padding-y: 10px;
  --header-pc-inner-height: clamp(48px, 4.1vw, 52px);
  --header-pc-height: calc(var(--header-pc-padding-y) * 2 + var(--header-pc-inner-height));
  --drawer-width: min(360px, 88vw);
  --z-header: 100;
  --z-drawer: 200;
  --z-fixed-cv: 90;
}

/* ==========================================================================
   2. リセット & 基本設定
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 68.75%; /* 62.5% × 110%：サイト全体の rem 基準を1.1倍に */
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--clr-text);
  background-color: var(--clr-white);
  -webkit-text-size-adjust: 100%;
  letter-spacing: 0.04em;
}

@media (max-width: 767px) {
  body {
    font-size: clamp(1.5rem, 0.5vw + 1.3rem, 1.6rem);
  }
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

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

ul,
ol {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
}

/* ==========================================================================
   3. レイアウト構造
   ========================================================================== */
header,
footer,
.l-inner,
.l-header__nav,
.l-header__contact,
.l-header__actions,
.l-header__menu-btn,
.l-drawer__panel,
.l-drawer__overlay,
.c-btn {
  transition: all 0.3s ease;
}

.l-inner {
  width: 100%;
  max-width: var(--max-width);
  margin-right: auto;
  margin-left: auto;
  padding-right: clamp(12px, 3vw, 30px);
  padding-left: clamp(12px, 3vw, 30px);
}

@media (max-height: 450px) and (orientation: landscape) {
  .l-header {
    padding-top: clamp(5px, 1vh, 9px);
    padding-bottom: clamp(5px, 1vh, 9px);
  }

  .l-header__logo-img {
    height: calc(clamp(25px, 5vh, 35px) * 0.9);
  }

  .l-header__logo-text {
    font-size: calc(clamp(1.5rem, 3.5vh, 1.8rem) * 0.9);
  }
}

/* ==========================================================================
   4. ヘッダーモジュール (l-header)
   ========================================================================== */
.l-header {
  width: 100%;
  font-family: var(--font-base);
  background-color: var(--clr-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: var(--z-header);
  padding-top: 10px !important;
  padding-bottom: 10px !important;
}

/* 【769px以上】PC固定ヘッダー＋メイン余白補正（FV吸着：高さ100%同期） */
@media (min-width: 769px) {
  main {
    padding-top: var(--header-pc-height);
  }

  .l-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding-top: var(--header-pc-padding-y);
    padding-bottom: var(--header-pc-padding-y);
  }

  .p-hero {
    margin-top: 0 !important;
  }
}

/* フルワイド：.l-inner の max-width を打ち消し、画面幅いっぱいに展開 */
.l-header__inner {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) minmax(0, auto);
  align-items: center;
  column-gap: var(--header-gap);
  row-gap: 8px;
  width: 100%;
  max-width: none;
  margin-right: 0;
  margin-left: 0;
  padding: 0 clamp(20px, 4vw, 60px);
}

.l-header__logo {
  grid-column: 1;
  justify-self: start;
  min-width: 0;
  max-width: 100%;
}

.l-header__logo a {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.5vw, 22px);
  min-width: 0;
}

.l-header__logo-img {
  height: calc(clamp(38px, 4.1vw, 52px) * 0.9);
  width: auto;
  flex-shrink: 0;
}

.l-header__logo-text {
  font-size: calc(clamp(1.8rem, 1.6vw, 2.4rem) * 0.9);
  font-weight: 700;
  color: #000000;
  white-space: nowrap;
  line-height: 1.2;
}

.l-header__nav {
  grid-column: 2;
  justify-self: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.l-header__nav-list {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: clamp(15px, 2vw, 35px);
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.l-header__nav-item {
  flex-shrink: 1;
  min-width: 0;
}

.l-header__nav-link {
  display: block;
  font-size: calc(clamp(1.4rem, 1.2vw, 1.6rem) * 0.9);
  font-weight: 700;
  color: #003c7b;
  white-space: nowrap;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.3s ease;
}

.l-header__nav-link:hover {
  color: var(--clr-sub);
}

.l-header__nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--clr-sub);
  transition: width 0.3s ease;
  transform: translateX(-50%);
}

.l-header__nav-link:hover::after {
  width: 100%;
}

.l-header__actions {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.5vw, 20px);
  flex-shrink: 0;
}

.l-header__contact {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 28px);
  min-width: 0;
  max-width: 100%;
}

.l-header__tel {
  font-style: normal;
  font-family: var(--font-base);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  line-height: 1;
  min-width: 0;
}

.l-header__tel-icon {
  height: clamp(34px, 3vw, 45px);
  width: auto;
  flex-shrink: 0;
  align-self: center;
}

.l-header__tel-text-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
  line-height: 1;
  min-width: 0;
}

.l-header__tel-link {
  display: block;
  color: var(--clr-nav);
  transition: all 0.3s ease;
}

@media (min-width: 1101px) and (max-width: 1720px) {
  .l-header__tel-link {
    pointer-events: none;
  }
}

.l-header__tel-num {
  font-family: var(--font-base);
  font-size: clamp(2.3rem, 2.1vw, 3.1rem);
  font-weight: 700;
  color: #003c7b;
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1;
}

.l-header__tel-time {
  display: block;
  font-size: clamp(1rem, 0.8vw, 1.2rem);
  font-weight: 400;
  color: var(--clr-text);
  text-align: left;
  white-space: nowrap;
  line-height: 1;
}

.l-header__btn {
  flex-shrink: 0;
}

.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  font-family: var(--font-base);
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

/* スマホ専用改行（PCでは非表示） */
br.is-sp-only {
  display: none;
}

.c-btn--primary {
  background: linear-gradient(90deg, #f26622 0%, #ff9e42 100%);
  color: var(--clr-white);
  padding: 12px 32px;
  font-size: clamp(1.4rem, 1.2vw, 1.7rem);
  box-shadow: 0 4px 15px rgba(242, 102, 34, 0.3);
}

.c-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 102, 34, 0.45);
}

/* ==========================================================================
   5. ハンバーガーボタン（1101px〜1720px / 577px〜1100px で表示）
   ========================================================================== */
.l-header__menu-btn {
  display: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
}

.l-header__menu-icon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 28px;
}

.l-header__menu-bar {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--clr-nav);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.l-header__menu-btn[aria-expanded="true"] .l-header__menu-bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.l-header__menu-btn[aria-expanded="true"] .l-header__menu-bar:nth-child(2) {
  opacity: 0;
}

.l-header__menu-btn[aria-expanded="true"] .l-header__menu-bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ==========================================================================
   6. ドロワーメニュー
   ========================================================================== */
.l-drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  pointer-events: none;
  visibility: hidden;
}

.l-drawer.is-open {
  pointer-events: auto;
  visibility: visible;
}

.l-drawer__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.l-drawer.is-open .l-drawer__overlay {
  opacity: 1;
}

.l-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: var(--drawer-width);
  height: 100%;
  padding: clamp(20px, 4vw, 32px);
  background-color: var(--clr-white);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.35s ease;
}

.l-drawer.is-open .l-drawer__panel {
  transform: translateX(0);
}

.l-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.l-drawer__title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--clr-nav);
}

.l-drawer__close {
  position: relative;
  width: 44px;
  height: 44px;
  border: none;
  background: var(--clr-bg-light);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.l-drawer__close span,
.l-drawer__close span::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 2px;
  background-color: var(--clr-nav);
  transition: all 0.3s ease;
}

.l-drawer__close span {
  transform: translate(-50%, -50%) rotate(45deg);
}

.l-drawer__close span::before {
  content: "";
  transform: translate(-50%, -50%) rotate(-90deg);
}

.l-drawer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 32px;
}

.l-drawer__nav-link {
  display: block;
  padding: 14px 0;
  font-size: 1.6rem;
  font-weight: 700;
  color: #003c7b;
  border-bottom: 1px solid #e8eef3;
  transition: color 0.3s ease;
}

.l-drawer__nav-link:hover {
  color: var(--clr-sub);
}

.l-drawer__contact {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 20px;
  padding-top: 8px;
}

.l-drawer__tel {
  font-style: normal;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
  line-height: 1.1;
}

.l-drawer__tel-icon {
  height: clamp(32px, 4.5vw, 42px);
  width: auto;
  flex-shrink: 0;
  align-self: center;
}

.l-drawer__tel-text-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 2px;
  line-height: 1.1;
}

.l-drawer__tel-link {
  display: block;
  color: var(--clr-nav);
  transition: all 0.3s ease;
}

.l-drawer__tel-num {
  font-size: clamp(2.3rem, 2.1vw, 3.1rem);
  font-weight: 700;
  color: #003c7b;
  line-height: 1;
  white-space: nowrap;
}

.l-drawer__tel-time {
  display: block;
  font-size: clamp(1rem, 0.8vw, 1.2rem);
  color: var(--clr-text);
  line-height: 1;
  white-space: nowrap;
}

.l-drawer__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
  padding: 0.75em 1.1em;
  font-size: 2.18rem;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  gap: 0;
}

.l-drawer__btn svg {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  margin-right: 0.35em !important;
  vertical-align: middle;
}

body.is-drawer-open {
  overflow: hidden;
}

@media (max-width: 1720px) {
  .l-drawer__tel-num {
    font-size: 2.805rem;
    white-space: nowrap;
  }

  .l-drawer__tel-time {
    font-size: 1.2rem;
    white-space: nowrap;
  }
}

/* ==========================================================================
   7. ファーストビュー（Heroセクション）
   ========================================================================== */
.p-hero {
  position: relative;
  width: 100%;
  min-height: clamp(420px, 42vw, 720px);
  background: url("./img/main_bg.webp") no-repeat center center;
  background-size: cover;
  overflow: hidden;
}

.p-hero__slider.is-sp-only {
  display: none;
}

.p-hero__slider.is-pc-only {
  display: block;
}

.p-hero__slider {
  position: relative;
  width: 100%;
  min-height: clamp(420px, 42vw, 720px);
}

.p-hero__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  pointer-events: none;
}

.p-hero__slide.is-active {
  opacity: 1;
  z-index: 1;
}

.p-hero__slide img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: contain;
  object-position: center;
}

/* ==========================================================================
   8. スマホ固定CVバー（576px以下のみ）
   ========================================================================== */
.l-fixed-cv {
  display: none;
}

/* ==========================================================================
   9. レスポンシブ（1721 / 1101-1720 / 577-1100 / 576）
   ========================================================================== */

/* 【1721px以上】フルヘッダー（Grid・ナビ表示・🍔非表示） */
@media (min-width: 1721px) {
  .l-header__inner {
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(0, 1fr) minmax(0, auto);
  }

  .l-header__nav {
    display: block;
  }

  .l-header__actions {
    display: flex;
  }

  .l-header__contact {
    display: flex;
  }

  .l-header__menu-btn {
    display: none;
  }
}

/* 【1101px〜1720px】ナビ非表示・電話＋CV＋🍔表示 */
@media (min-width: 1101px) and (max-width: 1720px) {
  .l-header__inner {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: clamp(12px, 1.5vw, 20px);
  }

  .l-header__logo {
    grid-column: unset;
    flex: 1;
    min-width: 0;
  }

  .l-header__nav {
    display: none;
  }

  .l-header__actions {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    gap: clamp(10px, 1.2vw, 16px);
  }

  .l-header__contact {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    gap: clamp(12px, 1.5vw, 20px);
  }

  .l-header__menu-btn {
    display: inline-flex;
    flex-shrink: 0;
  }
}

/* 【577px〜1100px】ロゴ＋🍔のみ（ヘッダー内コンタクト非表示） */
@media (min-width: 577px) and (max-width: 1100px) {
  .l-header__inner {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: clamp(12px, 2vw, 20px);
  }

  .l-header__logo {
    grid-column: unset;
    flex: 1;
    min-width: 0;
  }

  .l-header__nav {
    display: none;
  }

  .l-header__actions {
    display: flex;
    flex-shrink: 0;
    align-items: center;
  }

  .l-header__contact {
    display: none;
  }

  .l-header__menu-btn {
    display: inline-flex;
    flex-shrink: 0;
  }
}

/* 【576px以下】スマホコンパクトヘッダー＋固定CVバー */
@media (max-width: 576px) {
  .l-header__inner {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 0 clamp(16px, 4vw, 24px);
  }

  .l-header__logo {
    grid-column: unset;
    flex: 1;
    min-width: 0;
  }

  .l-header__nav {
    display: none;
  }

  .l-header__actions {
    display: flex;
    flex-shrink: 0;
    align-items: center;
  }

  .l-header__contact {
    display: none;
  }

  .l-header__menu-btn {
    display: inline-flex;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
  }

  .l-header__menu-icon {
    width: 24px;
    gap: 5px;
  }

  .l-header__logo a {
    gap: clamp(10px, 2.5vw, 14px);
  }

  .l-header__logo-text {
    font-size: calc(clamp(1.5rem, 4.5vw, 1.7rem) * 0.9) !important;
  }

  .l-header__logo-img {
    height: calc(clamp(26px, 6.9vw, 36px) * 0.9) !important;
  }

  :root {
    --fixed-cv-height: 64px;
    --header-sp-padding-y: 10px;
    --header-sp-inner-height: 44px;
    --header-sp-height: calc(var(--header-sp-padding-y) * 2 + var(--header-sp-inner-height));
  }

  body {
    padding-bottom: var(--fixed-cv-height);
  }

  main {
    padding-top: var(--header-sp-height);
  }

  .l-drawer {
    z-index: 1001;
  }

  .l-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background-color: var(--clr-white);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    padding-top: var(--header-sp-padding-y);
    padding-bottom: var(--header-sp-padding-y);
  }

  .p-hero {
    min-height: auto;
    margin-top: 0 !important;
    background: none;
    aspect-ratio: 828 / 1220;
  }

  .p-hero__slider.is-pc-only {
    display: none;
  }

  .p-hero__slider.is-sp-only {
    display: block;
    width: 100%;
    min-height: auto;
    aspect-ratio: 828 / 1220;
  }

  .p-hero__slider.is-sp-only .p-hero__slide img {
    width: 100%;
    height: auto;
    aspect-ratio: 828 / 1220;
    object-fit: cover;
    object-position: center top;
  }

  .p-js-footer-cv,
  .l-fixed-cv {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: var(--z-fixed-cv);
    width: 100%;
    height: var(--fixed-cv-height);
    background-color: var(--clr-white);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
  }

  .l-fixed-cv__tel,
  .l-fixed-cv__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    flex: 0 0 50%;
    width: 50%;
    max-width: 50%;
    min-width: 0;
    min-height: 48px;
    height: 100%;
    padding: 0 4px;
    font-size: 1.65rem;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    transition: all 0.3s ease;
  }

  .l-fixed-cv__tel {
    gap: 0.35em;
    color: var(--clr-nav);
    background-color: var(--clr-white);
    border-top: 1px solid #e0e8ef;
  }

  .l-fixed-cv__tel-icon {
    width: 1em;
    height: auto;
    flex-shrink: 0;
  }

  .l-fixed-cv__btn {
    gap: 0.35em;
    color: var(--clr-white);
    background: linear-gradient(90deg, #f26622 0%, #ff9e42 100%);
  }

  .l-fixed-cv__btn-icon {
    width: 1em;
    height: 1em;
    flex-shrink: 0;
  }

  .l-fixed-cv__tel:active,
  .l-fixed-cv__btn:active {
    opacity: 0.85;
  }
}

/* ==========================================================================
   10. 問題提起セクション（.p-problem）
   ========================================================================== */
.p-problem {
  background-color: var(--clr-white);
  padding: clamp(30px, 3vw, 50px) 0;
  text-align: center;
}

.p-problem .l-inner {
  max-width: var(--max-width);
}

.p-problem__title {
  font-size: clamp(2.6rem, 2.9vw, 4rem);
  font-weight: 900;
  color: #003c7b;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.p-problem__lead {
  margin-top: clamp(14px, 1.5vw, 19px);
  font-size: clamp(1.5rem, 1.2vw, 1.8rem);
  font-weight: 400;
  color: #333333;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   11. 3大課題カードセクション（.p-challenges）
   ========================================================================== */
.p-challenges {
  position: relative;
  background: url("./img/problem_cards_bg.webp") no-repeat center top;
  background-size: cover;
  background-position: center top;
  padding: clamp(40px, 5vw, 80px) 0 clamp(60px, 8vw, 120px);
}

.p-challenges .l-inner {
  max-width: 1100px;
}

.p-challenges__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.5vw, 32px);
}

.p-challenges__card {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.p-challenges__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.12);
}

.p-challenges__card-thumb {
  width: 100%;
  margin-bottom: 0;
  line-height: 0;
  font-size: 0;
}

.p-challenges__card-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  vertical-align: bottom;
  margin: 0;
}

.p-challenges__card-title {
  width: 100%;
  margin-top: 0;
  padding: 10px 12px;
  box-sizing: border-box;
  font-size: clamp(1.4rem, 1.2vw, 1.6rem);
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  background: linear-gradient(180deg, #008a9e 0%, #007185 100%);
  border-radius: 6px;
  line-height: 1.4;
}

.p-challenges__card-text {
  margin-top: 16px;
  font-size: clamp(1.3rem, 1.1vw, 1.4rem);
  font-weight: 400;
  color: #333333;
  line-height: 1.7;
  text-align: left;
}

@media (max-width: 768px) {
  .p-challenges__list {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .p-challenges__card:hover {
    transform: none;
  }
}

/* ==========================================================================
   12. ソリューションセクション（.p-solution）
   ========================================================================== */
.p-solution {
  background-color: #fafbfc;
  padding: clamp(60px, 6vw, 100px) 0;
}

.p-solution .l-inner {
  max-width: var(--max-width);
}

.p-solution__grid-container {
  display: grid;
  grid-template-columns: minmax(0, 72%) minmax(0, 28%);
  grid-template-areas:
    "header machine"
    "body body";
  gap: clamp(32px, 3.5vw, 48px);
  align-items: start;
}

.p-solution__header-area {
  grid-area: header;
  min-width: 0;
}

.p-solution__machine-area {
  grid-area: machine;
  min-width: 0;
  align-self: start;
}

.p-solution__visual {
  margin-bottom: clamp(24px, 2.5vw, 36px);
}

.p-solution__scene-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.p-solution__head {
  min-width: 0;
}

.p-solution__title {
  font-size: clamp(2.2rem, 2.5vw, 3.5rem);
  font-weight: 900;
  color: #003c7b;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.p-solution__subtitle {
  margin-top: clamp(20px, 2vw, 28px);
  font-size: clamp(1.76rem, 1.54vw, 2.2rem);
  font-weight: 900;
  color: #003c7b;
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.p-solution__body-area {
  grid-area: body;
}

.p-solution__body {
  width: 100%;
  max-width: 100%;
  margin-top: 0;
  line-height: 1.45;
}

.p-solution__body p {
  margin-top: 0 !important;
  margin-bottom: 14px !important;
  font-size: clamp(1.4rem, 1.1vw, 1.5rem);
  font-weight: 400;
  color: #333333;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.p-solution__body p:last-child {
  margin-bottom: 0 !important;
}

.p-solution__body strong {
  font-weight: 700;
  color: #333333;
}

.p-solution__text--alert,
.p-solution__text--alert strong {
  font-size: clamp(1.4rem, 1.1vw, 1.5rem);
  font-weight: 700;
  color: #333333;
  line-height: 1.45;
}

.p-solution__machine-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: center top;
}

.u-highlight {
  color: #db8511;
  border-bottom: 2px solid #db8511;
  padding-bottom: 0.1em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.u-highlight.u-text-large,
.u-highlight.u-text-large strong {
  font-size: 1.1em;
  font-weight: 700;
  color: #db8511;
}

.u-highlight.u-text-large strong {
  border-bottom: inherit;
}

.u-text-mega {
  line-height: 1.35 !important;
  font-size: 1.65em;
  font-weight: 900;
  color: #db8511;
  border-bottom: none;
  padding-bottom: 0;
  text-decoration: none;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.u-highlight.u-text-mega {
  line-height: 1.35 !important;
  font-size: 1.65em;
  font-weight: 900;
  color: #db8511;
  border-bottom: 2px solid #db8511;
  padding-bottom: 0.1em;
  text-decoration: none;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

@media (max-width: 768px) {
  .p-solution__grid-container {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "body"
      "machine";
    gap: clamp(28px, 5vw, 40px);
  }

  .p-solution__visual {
    width: 100%;
    margin-bottom: 0;
  }

  .p-solution__machine-area {
    width: 100%;
    padding: 0 clamp(20px, 8vw, 60px);
  }

  .p-solution__machine-img {
    display: block;
    max-width: 280px;
    margin: 0 auto;
  }

  .p-solution__head {
    width: 100%;
  }

  .p-solution__body {
    width: 100%;
  }
}

/* ==========================================================================
   13. メリット共通ラッパー ＆ 4つのメリット（1. スピード）
   ========================================================================== */
.p-benefits,
.l-benefits-wrapper {
  background-image:
    url("./img/bg_water_elements.webp"),
    linear-gradient(to bottom, #c9e6f3 0%, #e6f3f9 20%, #ffffff 38%, #ffffff 100%) !important;
  background-position:
    center top,
    center top;
  background-repeat: no-repeat, no-repeat;
  background-size: 100% auto, 100% 100%;
}

.p-benefits {
  padding: clamp(35px, 4.2vw, 63px) 0 0;
  overflow: visible;
}

.p-benefits .l-inner {
  max-width: var(--max-width);
  overflow: visible;
}

.p-benefits__header {
  text-align: center;
}

.p-benefits__main-title {
  font-size: clamp(2.6rem, 2.9vw, 4rem);
  font-weight: 900;
  color: #003c7b;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.p-benefits__sub-title {
  margin-top: clamp(14px, 1.5vw, 19px);
  font-size: clamp(1.6rem, 1.4vw, 2.1rem);
  font-weight: 700;
  color: #003c7b;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* 4つのメリットタブ */
.p-benefit-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: clamp(8px, 1vw, 12px);
  margin-top: clamp(32px, 4vw, 48px);
  margin-bottom: 50px !important;
  padding: 0;
  list-style: none;
  overflow: visible;
}

.p-benefit-tabs__item {
  flex: 1 1 0;
  min-width: 0;
}

.p-benefit-tabs__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 0.96vw, 16px);
  width: 100%;
  min-height: clamp(112px, 14.4vw, 176px);
  padding: clamp(16px, 1.6vw, 26px) clamp(10px, 1.2vw, 16px);
  background-color: #ffffff;
  border: 2px solid #c9d3de !important;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 60, 123, 0.06);
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease,
    color 0.3s ease;
}

.p-benefit-tabs__link:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0, 60, 123, 0.16);
  border-color: #b5c2d0 !important;
}

#merit,
.p-benefits,
#benefit-speed,
#benefit-cost,
#benefit-safety,
#benefit-environment {
  scroll-margin-top: 100px !important;
}

@media (max-width: 768px) {
  #merit,
  .p-benefits,
  #benefit-speed,
  #benefit-cost,
  #benefit-safety,
  #benefit-environment,
  .l-benefit-section,
  .p-benefit-box {
    scroll-margin-top: 70px !important;
  }
}

.p-benefit-tabs__icon {
  width: clamp(100px, 8.2vw, 157px);
  height: auto;
  flex-shrink: 0;
}

.p-benefit-tabs__name {
  font-size: clamp(3rem, 2.5vw, 3.5rem);
  font-weight: 700;
  color: #db8511;
  line-height: 1.25;
  text-align: center;
  letter-spacing: 0.02em;
}

.p-benefit-tabs__name small {
  display: block;
  margin-top: clamp(4px, 0.5vw, 8px);
  font-size: clamp(1.88rem, 1.59vw, 2.06rem);
  font-weight: 700;
  color: #003c7b;
  line-height: 1.3;
}

/* メイン詳細ボックス */
.p-benefit-box {
  position: relative !important;
  z-index: 10 !important;
  width: 100%;
  max-width: 1200px !important;
  margin-top: clamp(24px, 3vw, 36px);
  margin-left: auto;
  margin-right: auto;
  padding: 0 clamp(20px, 3vw, 48px) clamp(20px, 2vw, 30px);
  height: auto !important;
  overflow: visible !important;
  background-color: #ffffff;
  border: 2px solid #c1cfdf !important;
  border-radius: 16px;
  box-shadow: 0 0 35px 5px rgba(0, 60, 123, 0.12) !important;
}

.p-benefit-box__badge {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.5vw, 20px);
  padding-top: clamp(19px, 2.4vw, 32px);
}

.p-benefit-box__number {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(53px, 5.23vw, 68px);
  height: clamp(53px, 5.23vw, 68px);
  font-size: clamp(2.28rem, 2.47vw, 3.04rem);
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
  background-color: #db8511;
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(219, 133, 17, 0.35);
}

.p-benefit-box__title {
  flex: 1;
  min-width: 0;
  font-size: clamp(2.88rem, 2.88vw, 3.52rem);
  font-weight: 900;
  color: #db8511;
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.p-benefit-box__title-group {
  flex: 1;
  min-width: 0;
}

.p-benefit-box__title small,
.p-benefit-box__subtitle {
  display: block;
  margin-top: clamp(6px, 0.8vw, 10px);
  font-size: clamp(1.95rem, 1.65vw, 2.25rem);
  font-weight: 700;
  color: #333333;
  line-height: 1.35;
}

.p-benefit-box__line {
  display: block;
  width: 100% !important;
  height: 0;
  margin: clamp(20px, 2.5vw, 28px) 0 !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  border: none;
  border-top: 3px solid #db8511;
}

.p-benefit-box__desc > p {
  margin-top: 0 !important;
  margin-bottom: 14px !important;
  font-size: clamp(1.4rem, 1.1vw, 1.5rem);
  font-weight: 400;
  color: #333333;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.p-benefit-box__desc > p:last-child,
.p-benefit-box__desc > p.u-text-lead:last-child,
.p-benefit-box__desc > p.u-text-lead-sub:last-child {
  margin-bottom: 0 !important;
}

.p-benefit-box__desc strong {
  font-weight: 400;
  color: inherit;
}

/* YouTube埋め込み（16:9レスポンシブ・高画質ファサード） */
.p-benefit-box__video-wrap {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: clamp(28px, 3vw, 40px) auto 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 8px;
  background-color: #000;
}

.p-benefit-box__video-cover {
  position: absolute;
  inset: 0;
  cursor: pointer;
  overflow: hidden;
  border: none;
  padding: 0;
  background: none;
}

.p-benefit-box__video-cover:focus-visible {
  outline: 3px solid var(--clr-sub);
  outline-offset: 3px;
}

.p-benefit-box__video-thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.p-benefit-box__video-play-trigger {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(56px, 10vw, 80px);
  height: clamp(56px, 10vw, 80px);
  background-color: rgba(255, 0, 0, 0.9);
  border-radius: 50%;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.p-benefit-box__video-play-trigger::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 54%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: clamp(10px, 1.8vw, 14px) 0 clamp(10px, 1.8vw, 14px) clamp(16px, 2.8vw, 22px);
  border-color: transparent transparent transparent #ffffff;
}

.p-benefit-box__video-cover:hover .p-benefit-box__video-play-trigger,
.p-benefit-box__video-cover:focus-visible .p-benefit-box__video-play-trigger {
  transform: translate(-50%, -50%) scale(1.08);
  background-color: #ff0000;
}

.p-benefit-box__video-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
}

/* 下部グラフィック（2カラム） */
.p-benefit-box__charts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 28px);
  margin-top: clamp(28px, 3vw, 40px);
  height: auto !important;
  overflow: visible !important;
}

.p-benefit-box__chart-item {
  min-width: 0;
}

.p-benefit-box__img {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  .p-benefit-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(10px, 2.5vw, 16px);
  }

  .p-benefit-tabs__link:hover {
    transform: none;
    box-shadow: 0 2px 8px rgba(0, 60, 123, 0.06);
    border-color: #c9d3de !important;
  }

  .p-benefit-tabs__item {
    flex: none;
    min-height: auto;
    padding: clamp(13px, 2.8vw, 19px) clamp(8px, 2vw, 13px);
  }

  .p-benefit-tabs__icon {
    width: clamp(72px, 22vw, 120px);
  }

  .p-benefit-tabs__name {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
  }

  .p-benefit-tabs__name small {
    font-size: clamp(1.2rem, 2.85vw, 1.65rem);
  }

  .p-benefit-box__badge {
    gap: clamp(8px, 2vw, 12px) !important;
  }

  .p-benefit-box {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .p-benefit-box__number {
    width: 45px !important;
    height: 45px !important;
    font-size: 18px !important;
  }

  .p-benefit-box__title {
    font-size: clamp(1.92rem, 4.4vw, 2.56rem);
    white-space: nowrap !important;
    letter-spacing: -0.02em !important;
  }

  .p-benefit-box__title small,
  .p-benefit-box__subtitle {
    font-size: clamp(1.2rem, 2.88vw, 1.68rem);
    white-space: normal;
  }

  .p-benefit-box__charts {
    grid-template-columns: 1fr;
  }

  .p-benefit-box__desc > p,
  .p-benefit-box__desc > p.u-text-lead,
  .p-benefit-box__desc > p.u-text-lead-sub,
  .p-solution__body p,
  .p-solution__text--alert,
  .u-text-lead,
  .u-text-lead-sub {
    line-height: 1.45 !important;
    margin-top: 0 !important;
    margin-bottom: 10px !important;
  }

  .p-benefit-box__desc > p:last-child,
  .p-benefit-box__desc > p.u-text-lead:last-child,
  .p-benefit-box__desc > p.u-text-lead-sub:last-child,
  .p-solution__body p:last-child {
    margin-bottom: 0 !important;
  }

  .p-benefit-box__desc .u-text-mega,
  .u-highlight-main-sync,
  .u-highlight-main-sync strong,
  .p-solution__body .u-text-mega,
  .p-solution__body .u-highlight.u-text-mega {
    line-height: 1.45 !important;
  }

  .p-benefit-box__desc .u-text-mega,
  .u-text-lead .u-text-mega,
  .u-text-lead-sub .u-text-mega,
  .p-benefit-box__desc .u-highlight-main-sync,
  .p-benefit-box__desc .u-highlight-main-sync strong,
  .u-text-lead .u-highlight-main-sync,
  .u-text-lead .u-highlight-main-sync strong,
  .u-text-lead-sub .u-highlight-main-sync,
  .u-text-lead-sub .u-highlight-main-sync strong {
    font-size: clamp(1.92rem, 4.4vw, 2.56rem) !important;
    font-weight: 900;
    letter-spacing: 0.04em;
  }
}

@media (min-width: 769px) {
  .p-benefit-box {
    padding-top: 0;
    padding-bottom: clamp(20px, 2vw, 30px);
    padding-left: 60px !important;
    padding-right: 60px !important;
  }

  .p-benefit-box__line {
    display: block;
    width: 100% !important;
    margin-top: clamp(14px, 1.75vw, 20px);
    margin-bottom: clamp(14px, 1.75vw, 20px);
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

  .p-benefit-box__badge,
  .p-benefit-box__desc,
  .p-benefit-box__video-wrap,
  .p-benefit-box__charts {
    box-sizing: border-box;
    padding-left: 0;
    padding-right: 0;
  }

  /* 見出し（.p-benefit-box__badge）の幅は変更せず、本文・動画のみ同期 */
  .p-benefit-box__desc,
  .p-benefit-box__video-wrap {
    display: block;
    width: 100%;
    max-width: none;
    margin-left: auto;
    margin-right: auto;
  }

  .p-benefit-box__badge {
    gap: clamp(18px, 2.25vw, 30px);
  }

  .p-benefit-box__number {
    width: clamp(80px, 7.84vw, 103px);
    height: clamp(80px, 7.84vw, 103px);
    font-size: clamp(3.42rem, 3.71vw, 4.56rem);
    line-height: 1;
  }

  .p-benefit-box__title {
    margin-top: -0.1em;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
  }

  .p-benefit-box__title small,
  .p-benefit-box__subtitle {
    margin-top: clamp(4px, 0.56vw, 7px);
  }
}

/* ==========================================================================
   14. メリット個別セクションラッパー ＆ ②コスト削減
   ========================================================================== */
.l-benefit-section {
  padding: 0;
  overflow: visible;
}

.l-benefit-section--speed {
  padding-top: 0;
}

.l-benefit-section--cost,
.l-benefit-section--safety,
.l-benefit-section--environment {
  position: relative;
  padding-top: 50px !important;
  background: transparent;
}

.l-benefit-section--environment {
  padding: 0;
  padding-top: 50px !important;
  z-index: 0;
}

.l-benefit-section--environment .p-benefit-box {
  margin-bottom: 50px !important;
}

.l-benefit-section--cost {
  z-index: 2;
}

.l-benefit-section--safety {
  z-index: 1;
}

.l-benefit-section .p-benefit-box {
  margin-top: 0 !important;
}

.l-benefit-section--cost::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -700px !important;
  width: 100vw;
  max-width: 100%;
  height: 1350px !important;
  background-image: url("./img/bg_water_between_1_2.webp");
  background-repeat: no-repeat;
  background-position: center top !important;
  background-size: 100% auto;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 25%, black 100%) !important;
  mask-image: linear-gradient(to bottom, transparent 0%, black 25%, black 100%) !important;
  z-index: -1 !important;
  pointer-events: none;
}

.l-benefit-section--safety::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0 !important;
  width: 100vw;
  max-width: 100%;
  height: 900px !important;
  background-image: url("./img/bg_water_between_1_2.webp");
  background-repeat: no-repeat;
  background-position: center top !important;
  background-size: 100% auto;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.35) 10%, black 28%, black 100%) !important;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.35) 10%, black 28%, black 100%) !important;
  z-index: -1 !important;
  pointer-events: none;
}

.l-benefit-section--environment::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -100px !important;
  width: 100vw;
  max-width: 100%;
  height: 950px !important;
  background-image: url("./img/bg_water_between_1_2.webp");
  background-repeat: no-repeat;
  background-position: center top !important;
  background-size: 100% auto;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.35) 10%, black 28%, black 100%) !important;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.35) 10%, black 28%, black 100%) !important;
  z-index: -1 !important;
  pointer-events: none;
}

.l-benefit-section .l-inner {
  max-width: var(--max-width);
  overflow: visible;
}

.l-benefit-section .p-benefit-box {
  margin-top: 0;
}

.u-text-lead {
  font-size: clamp(1.5rem, 1.2vw, 1.65rem);
  font-weight: 700;
  line-height: 1.45;
  margin-top: 0 !important;
  margin-bottom: 14px !important;
}

.p-benefit-box__desc > p.u-text-lead,
.p-benefit-box__desc > p.u-text-lead-sub {
  line-height: 1.45;
  margin-top: 0 !important;
  margin-bottom: 14px !important;
  letter-spacing: 0.04em;
}

.u-highlight-main-sync,
.u-highlight-main-sync strong {
  line-height: 1.35 !important;
}

.p-benefit-box__desc .u-text-mega,
.u-text-lead .u-text-mega,
.u-text-lead-sub .u-text-mega,
.p-benefit-box__desc .u-highlight-main-sync,
.p-benefit-box__desc .u-highlight-main-sync strong,
.u-text-lead .u-highlight-main-sync,
.u-text-lead .u-highlight-main-sync strong,
.u-text-lead-sub .u-highlight-main-sync,
.u-text-lead-sub .u-highlight-main-sync strong {
  line-height: 1.35 !important;
  font-size: clamp(2.31rem, 1.815vw, 2.475rem);
  font-weight: 900;
  color: #db8511;
  border-bottom: none;
  padding-bottom: 0;
  text-decoration: none;
}

.u-highlight-orange,
.u-highlight-orange strong {
  color: #db8511;
  font-weight: 700;
}

.u-text-red,
.u-text-red strong {
  color: #d32f2f;
  font-weight: 700;
}

.p-benefit-badge-blue {
  display: block;
  width: fit-content !important;
  max-width: 100%;
  box-sizing: border-box;
  margin-top: clamp(20px, 2.5vw, 28px);
  margin-bottom: 10px !important;
  margin-left: 0 !important;
  margin-right: auto;
  padding: clamp(11px, 1.2vw, 14px) clamp(20px, 2.5vw, 32px);
  font-size: clamp(1.3rem, 1.1vw, 1.45rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.5;
  text-align: left;
  background-color: #003c7b !important;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.p-benefit-badge-blue--fit {
  width: fit-content !important;
  margin-left: 0 !important;
  margin-right: auto;
  text-align: left !important;
}

.p-benefit-box__charts--cost {
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: stretch;
  gap: clamp(6px, 1vw, 12px);
}

.p-benefit-chart__before,
.p-benefit-chart__after {
  min-width: 0;
  line-height: 0;
}

.p-benefit-chart__img-main {
  display: block;
  width: 100%;
  height: auto;
}

.p-benefit-chart__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
}

.p-benefit-chart__arrow-icon {
  display: inline-block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 75px 0 75px 35px;
  border-color: transparent transparent transparent #db8511;
  margin: 0 10px;
}

@media (max-width: 768px) {
  .l-benefit-section--cost::before {
    top: -175px !important;
    height: 480px !important;
    width: 100vw !important;
    background-size: 100% auto !important;
    background-position: center top !important;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 22%, black 100%) !important;
    mask-image: linear-gradient(to bottom, transparent 0%, black 22%, black 100%) !important;
  }

  .l-benefit-section--safety::before {
    top: 0 !important;
    height: 420px !important;
    width: 100vw !important;
    background-size: 100% auto !important;
    background-position: center top !important;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.35) 12%, black 30%, black 100%) !important;
    mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.35) 12%, black 30%, black 100%) !important;
  }

  .l-benefit-section--environment::before {
    top: -100px !important;
    height: 500px !important;
    width: 100vw !important;
    background-size: 100% auto !important;
    background-position: center top !important;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.35) 12%, black 30%, black 100%) !important;
    mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.35) 12%, black 30%, black 100%) !important;
  }

  .p-benefit-box__charts--cost {
    grid-template-columns: 1fr;
    gap: clamp(8px, 2vw, 12px);
  }

  .p-benefit-chart__arrow {
    padding: clamp(4px, 1vw, 6px) 0;
  }

  .p-benefit-chart__arrow-icon {
    border-width: 52.5px 50px 0 50px !important;
    border-color: #db8511 transparent transparent transparent !important;
    border-style: solid;
    margin: 10px auto !important;
    display: block;
  }
}

/* ==========================================================================
   15. メリット③安心安全
   ========================================================================== */
.p-benefit-box__subtitle-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: clamp(12px, 2vw, 24px);
  margin-top: clamp(6px, 0.8vw, 10px);
}

.p-benefit-box__subtitle-row .p-benefit-box__subtitle {
  margin-top: 0;
  flex-shrink: 0;
}

.p-benefit-box__target-models {
  font-size: clamp(1.2rem, 1vw, 1.35rem);
  font-weight: 500;
  color: #333333;
  line-height: 1.4;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  white-space: nowrap;
}

.u-text-lead-sub {
  margin-top: 0 !important;
  margin-bottom: 14px !important;
  font-size: clamp(1.5rem, 1.2vw, 1.65rem);
  font-weight: 700;
  line-height: 1.45;
  color: #333333;
}

.u-text-lead:last-child,
.u-text-lead-sub:last-child {
  margin-bottom: 0 !important;
}

.p-solution__text--alert {
  margin-top: 0 !important;
  margin-bottom: 14px !important;
  line-height: 1.45;
}

.p-benefit-box__charts--speed,
.p-benefit-box__charts--safety {
  align-items: stretch;
}

.p-benefit-chart__col-left,
.p-benefit-chart__col-right {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
}

.p-benefit-box__charts--speed .p-benefit-badge-blue,
.p-benefit-box__charts--safety .p-benefit-badge-blue {
  width: 100% !important;
  margin-top: 0;
  margin-left: 0 !important;
  margin-right: 0 !important;
  margin-bottom: clamp(12px, 1.5vw, 18px);
  text-align: center !important;
}

.p-benefit-box__charts--speed .p-benefit-chart__img-wrapper,
.p-benefit-box__charts--safety .p-benefit-chart__img-wrapper {
  flex: 1;
}

.p-benefit-chart__img-wrapper {
  min-width: 0;
  line-height: 0;
}

@media (max-width: 768px) {
  .p-benefit-box__subtitle-row {
    flex-direction: column;
    align-items: flex-start;
    gap: clamp(4px, 1vw, 8px);
  }

  .p-benefit-box__target-models {
    margin-left: 0 !important;
    font-size: clamp(1.1rem, 2.8vw, 1.25rem);
    white-space: normal;
  }

  .p-benefit-box__charts--speed,
  .p-benefit-box__charts--safety,
  .p-benefit-box__charts--environment {
    grid-template-columns: 1fr;
    gap: clamp(20px, 4vw, 28px);
  }
}

@media (min-width: 769px) {
  .p-benefit-box__subtitle-row {
    flex-wrap: nowrap;
    gap: 0;
  }

  .p-benefit-box__target-models {
    margin-left: 60px !important;
  }

  .p-benefit-box__charts--safety {
    display: grid !important;
    grid-template-columns: calc(60% - 15px) calc(40% - 15px) !important;
    gap: 30px !important;
    align-items: stretch !important;
  }
}

/* ==========================================================================
   16. メリット④環境貢献
   ========================================================================== */
.p-benefit-box__charts--environment {
  align-items: stretch;
}

.p-benefit-chart__col-env-left,
.p-benefit-chart__col-env-right {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
}

.p-benefit-box__charts--environment .p-benefit-chart__img-wrapper {
  flex: 1;
}

@media (min-width: 769px) {
  #benefit-environment .u-text-lead .u-highlight-main-sync,
  #benefit-environment .u-text-lead .u-highlight-main-sync strong {
    white-space: nowrap;
    letter-spacing: -0.02em;
  }
}

/* ==========================================================================
   17. 4つの給水モデルセクション
   ========================================================================== */
#section-models {
  scroll-margin-top: 100px !important;
}

@media (max-width: 768px) {
  #section-models {
    scroll-margin-top: 70px !important;
  }
}

.l-models-section {
  position: relative !important;
  z-index: 1;
  padding: 0 0 clamp(60px, 7vw, 100px);
  overflow: hidden;
  background: transparent !important;
  background-image: url("./img/bg_models_factory.webp") !important;
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
}

.p-models-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url("./img/bg_models_factory.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  pointer-events: none;
}

.p-models-bg::after {
  content: none;
}

.p-models-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(40px, 5vw, 60px) 0 0;
  background: transparent !important;
}

.p-models-header {
  text-align: center;
  margin-bottom: clamp(28px, 3.5vw, 44px);
  background: transparent !important;
}

.p-models-main-title {
  font-size: clamp(2.2rem, 2.8vw, 3.6rem);
  font-weight: 900;
  color: #003c7b;
  line-height: 1.55;
  letter-spacing: 0.04em;
}

.p-models-box {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  filter: drop-shadow(0 0 35px rgba(0, 60, 123, 0.12));
}

@media (min-width: 769px) {
  .p-models-header {
    padding-left: 60px !important;
    padding-right: 60px !important;
  }

  .p-models-box {
    padding-left: 60px !important;
    padding-right: 60px !important;
  }
}

.p-models-tabs-parent {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  margin: 0 0 -1px;
}

.p-models-tab-btn-p {
  flex: 1 1 50%;
  min-width: 0;
  padding: clamp(16px, 2vw, 22px) clamp(16px, 2vw, 28px);
  font-family: var(--font-base);
  font-size: clamp(3rem, 2.7vw, 3.7rem);
  font-weight: 700;
  color: #ffffff !important;
  background-color: #159bb4 !important;
  border: none;
  border-radius: 12px 12px 0 0 !important;
  cursor: pointer;
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin-bottom: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.p-models-tab-btn-p.is-active {
  color: #ffffff !important;
  background-color: #003c7b !important;
}

.p-models-body {
  background-color: #003c7b;
  border-radius: 0 0 12px 12px !important;
  border-top-left-radius: 0 !important;
  border-top-right-radius: 0 !important;
  margin-top: 0;
  padding-top: clamp(20px, 2.5vw, 32px);
  padding-left: clamp(7.5px, 1.5vw, 30px);
  padding-right: clamp(7.5px, 1.5vw, 30px);
  padding-bottom: clamp(7.5px, 1.5vw, 30px) !important;
  transition: padding-top 0.3s ease;
}

.p-models-box.is-child-hidden .p-models-body {
  padding-top: clamp(24px, 3vw, 36px);
}

.p-models-tabs-child {
  display: flex;
  flex-wrap: nowrap;
  gap: clamp(10px, 1.5vw, 16px);
  margin-bottom: clamp(20px, 2.5vw, 28px);
}

.p-models-tabs-child[hidden] {
  display: none !important;
}

.p-models-tab-btn-c {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 0;
  padding: clamp(12px, 1.4vw, 16px) clamp(16px, 2vw, 24px);
  font-family: var(--font-base);
  font-size: clamp(2.5rem, 2.2vw, 2.9rem);
  font-weight: 700;
  color: #333333 !important;
  background-color: #ffffff;
  border: none;
  border-radius: 999px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  text-align: center;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.p-models-tab-btn-c__label {
  flex-shrink: 0;
  white-space: nowrap;
}

.p-models-tab-btn-c .arrow {
  flex-shrink: 0;
  font-size: clamp(1.8rem, 1.7vw, 2.1rem);
  color: #db8511;
  line-height: 1;
}

.p-models-tab-btn-c.is-active,
.p-models-tab-btn-c.active {
  box-shadow: inset 0 0 0 4px #db8511 !important;
  transform: translateY(-1px);
}

.p-models-tab-btn-c.is-active .arrow,
.p-models-tab-btn-c.active .arrow {
  color: #db8511;
}

.p-models-content {
  display: none;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(16px, 2vw, 24px);
  align-items: stretch;
  background-color: #ffffff !important;
  border-radius: 12px;
  padding: clamp(16px, 2vw, 24px);
  box-sizing: border-box;
}

.p-models-content.is-active {
  display: grid;
  align-items: stretch !important;
}

.p-models-slider-block {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: stretch;
  width: 100%;
  min-width: 0;
  height: 100%;
}

.p-models-slider-wrapper {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  min-height: clamp(200px, 22vw, 300px);
  height: 100%;
  overflow: hidden;
  background-color: transparent;
  border-radius: 8px;
  display: flex;
  align-items: center;
}

.p-models-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.p-models-slider-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.p-models-slider-img.is-active {
  opacity: 1;
  pointer-events: auto;
}

.p-models-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(36px, 3.8vw, 44px);
  height: clamp(36px, 3.8vw, 44px);
  padding: 0;
  background-color: #ffffff;
  border: 2px solid #36a9bf !important;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(54, 169, 191, 0.2);
  cursor: pointer;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.p-models-slider-arrow__icon {
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
}

.p-models-slider-arrow.prev {
  left: clamp(4px, 0.8vw, 10px);
}

.p-models-slider-arrow.prev .p-models-slider-arrow__icon {
  margin-left: -3px;
  border-width: 7px 11px 7px 0;
  border-color: transparent #36a9bf transparent transparent !important;
}

.p-models-slider-arrow.next {
  right: clamp(4px, 0.8vw, 10px);
}

.p-models-slider-arrow.next .p-models-slider-arrow__icon {
  margin-right: -3px;
  border-width: 7px 0 7px 11px;
  border-color: transparent transparent transparent #36a9bf !important;
}

.p-models-slider-arrow:hover,
.p-models-slider-arrow:focus-visible {
  box-shadow: 0 4px 12px rgba(54, 169, 191, 0.35);
  transform: translateY(-50%) scale(1.05);
}

.p-models-slider-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(8px, 1vw, 12px);
  margin-top: clamp(14px, 1.8vw, 20px);
}

.p-models-slider-dots .dot {
  width: clamp(10px, 1vw, 12px);
  height: clamp(10px, 1vw, 12px);
  padding: 0;
  background-color: #bce7ef !important;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.p-models-slider-dots .dot.is-active {
  background-color: #36a9bf !important;
  transform: scale(1.15);
}

.p-models-info-block {
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
  background-color: transparent;
  border-radius: 0;
  padding: 0;
}

.p-models-model-name {
  font-size: clamp(4.8rem, 5vw, 6.4rem);
  font-weight: 900;
  color: #333333 !important;
  line-height: 1.2;
  letter-spacing: 0.04em;
  margin-bottom: clamp(16px, 2vw, 24px);
}

.p-models-tags {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: clamp(8px, 1vw, 12px);
  margin-bottom: clamp(16px, 2vw, 24px);
}

.p-models-tags .tag {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(9px, 1.05vw, 14px) clamp(12px, 1.4vw, 18px);
  font-size: clamp(1.575rem, 1.425vw, 1.8rem);
  font-weight: 700;
  color: #ffffff;
  background-color: #003c7b;
  border-radius: 8px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  text-align: center;
}

.p-models-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(1.25rem, 1.05vw, 1.4rem);
  line-height: 1.55;
  border-radius: 8px;
  overflow: hidden;
}

.p-models-spec-table th,
.p-models-spec-table td {
  padding: clamp(9px, 1.1vw, 13px) clamp(10px, 1.2vw, 14px);
  border: none !important;
  text-align: left;
  vertical-align: top;
}

.p-models-spec-table th {
  width: 34%;
  font-weight: 700;
  color: #003c7b;
  white-space: nowrap;
  background-color: transparent !important;
}

.p-models-spec-table td {
  font-weight: 400;
  color: #333333;
  background-color: transparent !important;
}

.p-models-spec-table tr:nth-child(odd) {
  background-color: #ffffff !important;
}

.p-models-spec-table tr:nth-child(even) {
  background-color: #e8f1fa !important;
}

@media (max-width: 768px) {
  .p-models-header {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .p-models-box {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .p-models-tabs-parent {
    display: flex !important;
    width: 100% !important;
    flex-direction: row;
  }

  .p-models-tab-btn-p {
    flex: 1 !important;
    font-size: 16px !important;
    padding: 12px 10px !important;
    white-space: nowrap !important;
    text-align: center !important;
  }

  .p-models-tabs-child {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: clamp(6px, 1.5vw, 10px);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .p-models-tabs-child::-webkit-scrollbar {
    display: none;
  }

  .p-models-tab-btn-c {
    flex: 1 1 0;
    min-width: clamp(88px, 28vw, 120px);
    width: auto;
    font-size: clamp(2rem, 4.2vw, 2.5rem);
    padding: clamp(10px, 2vw, 14px) clamp(10px, 2vw, 14px);
    white-space: nowrap;
  }

  .p-models-tab-btn-c .arrow {
    font-size: clamp(1.5rem, 3.2vw, 1.8rem);
  }

  br.is-sp-only {
    display: block;
  }

  .p-models-content.is-active {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    gap: clamp(20px, 4vw, 28px);
  }

  .p-models-info-block {
    display: contents;
  }

  .p-models-model-name {
    grid-row: 1;
    justify-self: center;
    width: 100%;
    font-size: clamp(2.4rem, 5.5vw, 3.4rem);
    white-space: nowrap;
    margin-bottom: 0;
    text-align: center;
  }

  .p-models-slider-block {
    grid-row: 2;
  }

  .p-models-tags {
    grid-row: 3;
  }

  .p-models-spec-table {
    grid-row: 4;
  }

  .p-models-slider-wrapper {
    overflow: hidden !important;
    aspect-ratio: 1 / 1 !important;
    height: auto !important;
    min-height: auto !important;
  }

  .p-models-slider-arrow {
    width: 30px;
    height: 30px;
  }

  .p-models-slider-arrow.prev {
    left: 4px;
  }

  .p-models-slider-arrow.prev .p-models-slider-arrow__icon {
    margin-left: -3px;
    border-width: 5px 8px 5px 0;
  }

  .p-models-slider-arrow.next {
    right: 4px;
  }

  .p-models-slider-arrow.next .p-models-slider-arrow__icon {
    margin-right: -3px;
    border-width: 5px 0 5px 8px;
  }

  .p-models-tags .tag {
    font-size: clamp(1.2rem, 2.8vw, 1.5rem);
    padding: clamp(8px, 2vw, 12px) clamp(10px, 2vw, 14px);
  }

}

/* ==========================================================================
   15. ページトップへ戻るボタン
   ========================================================================== */
.l-page-top {
  position: fixed;
  right: clamp(16px, 2vw, 24px);
  bottom: clamp(24px, 3vw, 32px);
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 2px solid #c9d3de;
  border-radius: 50%;
  background-color: #003c7b;
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 60, 123, 0.28);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease,
    transform 0.2s ease,
    background-color 0.2s ease;
}

.l-page-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.l-page-top:hover,
.l-page-top:focus-visible {
  background-color: #db8511;
  transform: translateY(-2px);
}

.l-page-top:focus-visible {
  outline: 2px solid #db8511;
  outline-offset: 3px;
}

@media (max-width: 576px) {
  .l-page-top {
    bottom: calc(var(--fixed-cv-height) + 16px);
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }
}

/* ==========================================================================
   16. 導入・サポートセクション
   ========================================================================== */

/* 固定ヘッダー被り防止（ページ内ジャンプ用） */
#support {
  scroll-margin-top: 100px !important;
}

@media (max-width: 768px) {
  #support {
    scroll-margin-top: 70px !important;
  }
}

/* セクション全体のラッパー */
.p-support {
  padding: clamp(50px, 6vw, 80px) 0;
  background-color: var(--clr-white);
}

/* ① 上部：無料相談ボタンエリア */
.p-support__cta {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(40px, 5vw, 64px);
}

/* 無料相談ボタン専用（高さ2倍・カプセル型・3色グラデーション） */
.p-support__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: clamp(320px, 38vw, 480px);
  padding: clamp(24px, 2.4vw, 28px) clamp(56px, 6vw, 96px) !important;
  border: none;
  border-radius: 9999px !important;
  font-size: clamp(3rem, 2.8vw, 3.8rem) !important;
  font-weight: 900 !important;
  letter-spacing: 0.06em;
  color: var(--clr-white) !important;
  background: linear-gradient(90deg, #ef4000 0%, #fa7a43 50%, #f59d22 100%) !important;
  box-shadow: none;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.p-support__btn:hover,
.p-support__btn:focus-visible {
  background: linear-gradient(90deg, #ef4000 0%, #fa7a43 50%, #f59d22 100%) !important;
  transform: translateY(-2px);
  filter: brightness(1.05);
}

/* ② 中部：導入までの流れ（5ステップ） */
.p-support__flow {
  margin-bottom: clamp(40px, 5vw, 60px);
}

/* セクションタイトル（メインカラー #003c7b） */
.p-support__flow-title {
  margin-bottom: clamp(28px, 3.5vw, 44px);
  font-size: clamp(2rem, 2.4vw, 3.2rem);
  font-weight: 900;
  color: var(--clr-nav);
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-align: center;
}

/* 5ステップのフロー（PC：横並び） */
.p-support__steps {
  --support-border-width: 3px;
  --support-step-clearance: 10px;
  /* 矢印：1.5倍サイズ（底辺16px・枠線外への飛び出し12px） */
  --support-arrow-depth: 12px;
  --support-arrow-half: 8px;
  /* 先端〜次ボックス枠線まで10px：gap ＝ 飛び出し幅(12px) ＋ すき間(10px) ＝ 22px */
  --support-step-gap: calc(var(--support-arrow-depth) + var(--support-step-clearance));
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: var(--support-step-gap);
  width: 100%;
  overflow: visible;
}

/* 各ステップのボックス領域 */
.p-support__step {
  flex: 1 1 0;
  min-width: 0;
}

/* 白いステップボックス（共通・3px枠線・フラット） */
.p-support__step-box {
  position: relative;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: clamp(88px, 10vw, 128px);
  padding: clamp(12px, 1.4vw, 18px) clamp(6px, 0.8vw, 10px);
  background-color: var(--clr-white);
  border: var(--support-border-width) solid var(--clr-nav);
  border-radius: 12px;
  box-shadow: none;
  text-align: center;
}

/* PC：右向き正三角形（枠線外側に完全飛び出し・底辺が右枠線に密着・1〜4番目のみ） */
.p-support__step:not(:last-child) .p-support__step-box::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  z-index: 2;
  width: var(--support-border-width);
  height: 0;
  transform: translateX(100%) translateY(-50%);
  border-top: var(--support-arrow-half) solid transparent;
  border-bottom: var(--support-arrow-half) solid transparent;
  border-left: var(--support-arrow-depth) solid var(--clr-nav);
  border-right: none;
  pointer-events: none;
}

/* ステップ5のみ：薄い水色の背景 */
.p-support__step-box--final {
  background-color: #e8f1fa;
}

/* ステップ内のテキスト */
.p-support__step-text {
  margin: 0;
  font-size: clamp(1.15rem, 1.05vw, 1.45rem);
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.55;
  letter-spacing: 0.02em;
}

/* ステップ4内の下向き矢印（ボックス間矢印と同スケール・中央揃え） */
.p-support__step-inner-arrow {
  display: block;
  width: 0;
  height: 0;
  margin: clamp(4px, 0.45vw, 6px) auto;
  border-top: var(--support-arrow-depth) solid var(--clr-nav);
  border-right: var(--support-arrow-half) solid transparent;
  border-left: var(--support-arrow-half) solid transparent;
}

/* ③ 下部：充実のサポート体制（2大ボックス・PC横並び） */
.p-support__services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 2.8vw, 32px);
}

/* サポート体制の各ボックス（3px枠線・フラット・上下余白70%に凝縮） */
.p-support__service-card {
  padding-top: clamp(17px, 2.1vw, 25px);
  padding-bottom: clamp(17px, 2.1vw, 25px);
  padding-left: clamp(20px, 2.5vw, 32px);
  padding-right: clamp(20px, 2.5vw, 32px);
  background-color: var(--clr-white);
  border: 3px solid var(--clr-nav);
  border-radius: 16px;
  box-shadow: none;
  text-align: center;
}

/* ボックスタイトル（青色・中央配置） */
.p-support__service-title {
  margin: 0 0 clamp(16px, 2vw, 24px);
  font-size: clamp(1.8rem, 1.9vw, 2.4rem);
  font-weight: 700;
  color: var(--clr-nav);
  line-height: 1.4;
  letter-spacing: 0.04em;
}

/* アイコン画像エリア（中央配置） */
.p-support__service-icon {
  margin: 0 0 clamp(16px, 2vw, 24px);
}

/* アイコン：標準サイズの70%（64〜96px → 45〜67px） */
.p-support__service-icon img {
  display: block;
  width: clamp(45px, 5.25vw, 67px);
  max-width: 67px;
  height: auto;
  margin: 0 auto;
}

/* 説明文 */
.p-support__service-desc {
  margin: 0;
  font-size: clamp(1.3rem, 1.15vw, 1.5rem);
  font-weight: 400;
  color: var(--clr-text);
  line-height: 1.85;
  letter-spacing: 0.02em;
  text-align: left;
}

/* スマホ版：5ステップ縦並び＋CSS下三角矢印、サポート2列→1列 */
@media (max-width: 768px) {
  .p-support__steps {
    flex-direction: column;
    align-items: stretch;
    /* 縦並びも同式：飛び出し12px ＋ 先端から次ボックスまで10px ＝ gap 22px */
    gap: var(--support-step-gap);
  }

  .p-support__step {
    flex: none;
    width: 100%;
  }

  /* スマホ：下向き正三角形（下枠線外側に完全飛び出し・上端が下枠線に密着） */
  .p-support__step:not(:last-child) .p-support__step-box::after {
    top: auto;
    right: auto;
    left: 50%;
    bottom: 0;
    width: 0;
    height: var(--support-border-width);
    border-top: var(--support-arrow-depth) solid var(--clr-nav);
    border-right: var(--support-arrow-half) solid transparent;
    border-bottom: none;
    border-left: var(--support-arrow-half) solid transparent;
    transform: translateX(-50%) translateY(100%);
  }

  .p-support__step-box {
    min-height: clamp(64px, 16vw, 88px);
    padding: clamp(14px, 3.5vw, 20px) clamp(12px, 3vw, 16px);
  }

  .p-support__step-text {
    font-size: clamp(1.25rem, 3.4vw, 1.5rem);
  }

  .p-support__services {
    grid-template-columns: 1fr;
    gap: clamp(20px, 5vw, 28px);
  }

  .p-support__service-desc {
    font-size: clamp(1.25rem, 3.2vw, 1.45rem);
  }

  /* 無料相談ボタン（スマホ：125%拡大後の可変フォント） */
  .p-support__btn {
    min-width: clamp(260px, 72vw, 360px);
    padding: clamp(20px, 5vw, 24px) clamp(40px, 10vw, 64px) !important;
    font-size: clamp(2.25rem, 6.25vw, 3rem) !important;
  }

  /* アイコン70%（スマホ） */
  .p-support__service-icon img {
    width: clamp(40px, 11vw, 56px);
    max-width: 56px;
  }
}

/* ==========================================================================
   17. よくあるご質問（FAQ）セクション
   ========================================================================== */

/* 固定ヘッダー被り防止（ページ内ジャンプ用） */
#faq {
  scroll-margin-top: 100px !important;
}

@media (max-width: 768px) {
  #faq {
    scroll-margin-top: 70px !important;
  }
}

/* セクション全体（1rem＝11px基準・24px＝2.18rem） */
.p-faq {
  --faq-text-pc: 2.18rem;
  --faq-text-fluid: clamp(1.55rem, 2vw, var(--faq-text-pc));
  padding: clamp(50px, 6vw, 80px) 0;
  background-color: var(--clr-white);
}

/* セクションタイトル（中央・太字・メインカラー） */
.p-faq__title {
  margin: 0 0 clamp(36px, 4.5vw, 56px);
  font-size: clamp(2rem, 2.4vw, 3.2rem);
  font-weight: 900;
  color: var(--clr-nav);
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-align: center;
}

/* Q&Aリスト */
.p-faq__list {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* 各Q&Aセット（広めの縦余白） */
.p-faq__item {
  margin-bottom: clamp(32px, 4vw, 48px);
}

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

/* 質問行・回答行（Flexbox：2行目以降がアイコン下に回り込まない） */
.p-faq__question,
.p-faq__answer {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 1.5vw, 20px);
}

.p-faq__question {
  margin-bottom: clamp(14px, 1.8vw, 22px);
}

/* Q / A アイコン共通（CSS描画・角丸四角・同一サイズ） */
.p-faq__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(36px, 3.5vw, 48px);
  height: clamp(36px, 3.5vw, 48px);
  border-radius: 8px;
  font-family: var(--font-base);
  font-size: clamp(1.5rem, 1.4vw, 1.9rem);
  font-weight: 900;
  line-height: 1;
  color: #ffffff;
}

/* Qアイコン（背景 #36A9BF） */
.p-faq__icon--q {
  background-color: #36a9bf;
}

/* Aアイコン（背景 #DB8511） */
.p-faq__icon--a {
  background-color: #db8511;
}

/* 質問テキスト（太字・PC時24px＝2.18rem相当） */
.p-faq__question-text {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding-top: clamp(4px, 0.5vw, 8px);
  font-size: var(--faq-text-fluid);
  font-weight: 800;
  color: var(--clr-text);
  line-height: 1.6;
  letter-spacing: 0.02em;
}

/* 回答テキスト領域（1行目以降の左端を縦一列に揃える） */
.p-faq__answer-text {
  flex: 1;
  min-width: 0;
  padding-top: clamp(4px, 0.5vw, 8px);
}

.p-faq__answer-text p {
  margin: 0;
  font-size: var(--faq-text-fluid);
  font-weight: 400;
  color: var(--clr-text);
  line-height: 1.85;
  letter-spacing: 0.02em;
}

.p-faq__answer-text p + p {
  margin-top: clamp(8px, 1vw, 12px);
}

/* 回答3の注釈行（本文より少し小さめ） */
.p-faq__answer-note {
  font-size: clamp(1.35rem, 1.5vw, 1.65rem) !important;
  line-height: 1.7 !important;
}

/* スマホ版（24pxから可変縮小） */
@media (max-width: 768px) {
  .p-faq {
    --faq-text-fluid: clamp(1.45rem, 4.2vw, 1.85rem);
  }

  .p-faq__question-text {
    padding-top: clamp(2px, 0.5vw, 6px);
  }

  .p-faq__answer-note {
    font-size: clamp(1.2rem, 3.4vw, 1.45rem) !important;
  }

  .p-faq__icon {
    width: clamp(32px, 8.5vw, 40px);
    height: clamp(32px, 8.5vw, 40px);
    font-size: clamp(1.3rem, 3.4vw, 1.6rem);
  }
}

/* ==========================================================================
   18. クロージング（CTA）セクション
   ========================================================================== */

/* 固定ヘッダー被り防止 */
#contact {
  scroll-margin-top: 100px !important;
}

@media (max-width: 768px) {
  #contact {
    scroll-margin-top: 70px !important;
  }
}

/* 背景：4つのメリットと同じ水エレメント＋グラデーション */
.p-contact {
  padding: clamp(60px, 6vw, 80px) 0;
  background-image:
    url("./img/bg_water_elements.webp"),
    linear-gradient(to bottom, #c9e6f3 0%, #e6f3f9 20%, #ffffff 38%, #ffffff 100%);
  background-position:
    center top,
    center top;
  background-repeat: no-repeat, no-repeat;
  background-size: 100% auto, 100% 100%;
  overflow: visible;
}

/* 左右2部屋（60% / 35%） */
.p-contact__container {
  display: grid;
  grid-template-columns: minmax(0, 60%) minmax(0, 35%);
  justify-content: space-between;
  column-gap: clamp(24px, 3vw, 48px);
  align-items: start;
  overflow: visible;
}

/* 左の部屋：キャッチ・リード・CTA縦並び */
.p-contact__left {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.p-contact__catch {
  margin-bottom: clamp(20px, 2.5vw, 32px);
}

.p-contact__lead {
  margin-bottom: 50px;
}

/* 右の部屋：製品写真 */
.p-contact__right {
  min-width: 0;
  overflow: visible;
}

.p-contact__visual {
  display: grid;
  justify-items: end;
  align-items: start;
  overflow: visible;
}

/* キャッチコピー（3行・太字・メインカラー） */
.p-contact__catch-line {
  margin: 0 0 clamp(6px, 0.8vw, 10px);
  font-size: clamp(1.85rem, 2vw, 2.8rem);
  font-weight: 900;
  color: var(--clr-nav);
  line-height: 1.45;
  letter-spacing: 0.04em;
}

@media (min-width: 769px) {
  .p-contact__catch-line {
    white-space: nowrap;
  }
}

.p-contact__catch-line:last-child {
  margin-bottom: 0;
}

/* リード文（1rem＝11px基準・PC最大24px＝2.18rem相当） */
.p-contact__lead p {
  margin: 0;
  font-size: clamp(1.45rem, 2vw, 2.18rem);
  font-weight: 400;
  color: #222222;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

/* 製品本体写真（120%・右にはみ出し） */
.p-contact__machine-img {
  display: block;
  width: 120%;
  max-width: none;
  height: auto;
  margin-bottom: 40px;
}

/* ── CTA縦並び・等幅480px（横幅競合ゼロ） ── */
.p-contact__cta-column {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 24px);
  width: 480px;
  max-width: 100%;
}

.p-contact__cta-block {
  width: 480px;
  max-width: 100%;
}

.p-contact__cta-block--btn {
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1vw, 12px);
}

/* 無料相談ボタン（高さ88px相当・カプセル型・3色グラデーション） */
.p-contact__btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 98px;
  min-height: 98px;
  padding: 0 clamp(32px, 3vw, 56px);
  border: none;
  border-radius: 9999px;
  font-size: clamp(3rem, 2.8vw, 3.8rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--clr-white);
  background: linear-gradient(90deg, #ef4000 0%, #fa7a43 50%, #f59d22 100%);
  box-shadow: none;
  text-decoration: none;
  white-space: nowrap;
  box-sizing: border-box;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.p-contact__btn-main:hover,
.p-contact__btn-main:focus-visible {
  background: linear-gradient(90deg, #ef4000 0%, #fa7a43 50%, #f59d22 100%);
  transform: translateY(-2px);
  filter: brightness(1.05);
}

/* 注記文（ボタン直下・中央揃え） */
.p-contact__btn-note {
  margin: 0;
  font-size: clamp(1.1rem, 1vw, 1.35rem);
  font-weight: 400;
  color: #333333;
  line-height: 1.6;
  letter-spacing: 0.02em;
  text-align: center;
  white-space: nowrap;
}

/* お電話カプセル（ボタンと同幅480px・高さ88px同期） */
.p-contact__cta-block--tel {
  display: flex;
  flex-direction: column;
}

.p-contact__tel-box-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 98px;
  min-height: 98px;
  padding: clamp(6px, 0.7vw, 10px) clamp(20px, 2.4vw, 36px);
  background-color: var(--clr-white);
  border: 2px solid #c1cfdf;
  border-radius: 9999px;
  box-shadow: 0 2px 8px rgba(0, 60, 123, 0.08);
  box-sizing: border-box;
}

.p-contact__tel-label {
  margin: 0 0 clamp(2px, 0.3vw, 4px);
  font-size: clamp(1.25rem, 1.1vw, 1.45rem);
  font-weight: 700;
  color: #333333;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

.p-contact__tel-content {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1vw, 12px);
  max-width: 100%;
  min-width: 0;
}

.p-contact__tel-icon {
  width: auto;
  height: clamp(26px, 2.4vw, 36px);
  flex-shrink: 0;
}

.p-contact__tel-link {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  color: var(--clr-nav);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.p-contact__tel-link:hover,
.p-contact__tel-link:focus-visible {
  opacity: 0.85;
}

.p-contact__tel-num {
  font-size: clamp(2.8rem, 2.5vw, 3.6rem);
  font-weight: 800;
  color: var(--clr-nav);
  letter-spacing: 0.02em;
  white-space: nowrap;
  line-height: 1;
}

.p-contact__tel-time {
  margin: clamp(2px, 0.3vw, 4px) 0 0;
  font-size: clamp(1.15rem, 1vw, 1.35rem);
  font-weight: 400;
  color: #333333;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
}

/* スマホ版：縦1カラム・中央揃え */
@media (max-width: 768px) {
  .p-contact {
    padding: clamp(48px, 12vw, 64px) 0;
  }

  .p-contact__container {
    grid-template-columns: 1fr;
    row-gap: clamp(20px, 5vw, 28px);
    justify-items: center;
  }

  .p-contact__left {
    display: contents;
  }

  .p-contact__catch {
    order: 1;
    width: 100%;
    text-align: center;
  }

  .p-contact__lead {
    order: 2;
    width: 100%;
    margin-bottom: clamp(32px, 8vw, 48px);
    text-align: center;
  }

  .p-contact__right {
    order: 3;
    width: 100%;
  }

  .p-contact__visual {
    justify-items: center;
  }

  .p-contact__machine-img {
    width: 120%;
    max-width: min(235px, 55vw);
    margin: 0 auto 40px;
  }

  .p-contact__catch-line {
    white-space: normal;
    font-size: clamp(1.7rem, 5vw, 2.4rem);
  }

  .p-contact__cta-column {
    order: 4;
    width: 100%;
    max-width: 480px;
    align-items: center;
  }

  .p-contact__cta-block {
    width: 100%;
    max-width: 480px;
  }

  .p-contact__btn-main {
    height: auto;
    min-height: clamp(6rem, 18vw, 8rem);
    padding: clamp(20px, 5vw, 24px) clamp(40px, 10vw, 64px);
    font-size: clamp(2.25rem, 6.25vw, 3rem);
  }

  .p-contact__tel-box-main {
    height: auto;
    min-height: clamp(6rem, 18vw, 8rem);
  }

  .p-contact__tel-num {
    font-size: clamp(2.8rem, 8vw, 3.6rem);
  }

  .p-contact__tel-content {
    justify-content: center;
  }
}

/* ==========================================================================
   19. フッター（最下部）
   ========================================================================== */
.l-footer {
  width: 100%;
  padding: clamp(10px, 1.5vw, 16px) clamp(16px, 3vw, 24px);
  background-color: var(--clr-nav);
}

.l-footer__inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.l-footer__copy {
  margin: 0;
  font-size: clamp(1rem, 0.9vw, 1.15rem);
  font-weight: 400;
  color: #ffffff;
  line-height: 1.6;
  letter-spacing: 0.04em;
}