/* 色は :root の変数に集約。使用箇所は var(--*) のみ。 */
:root {
  /* レイアウト */
  --hero-logo-width: clamp(180px, 44vw, 520px);

  /* パレット：基本 */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-text-body: #0a3763;
  --color-text-default: #333333;
  --color-text-brown: #221815;
  --color-text-note: #1c4678;
  --color-text-muted: #666666;

  /* ブランド・青系 */
  --section-blue: #06439b;
  --section-blue-light: #00a0e9;
  --color-brand: #0f4898;
  --color-link-blue: #1a549d;
  --color-accent-navy: #173f70;
  --section-border: #7ea2ca;

  /* 枠線・面 */
  --border-subtle: #d4deea;
  --border-table: #b3b3b3;
  --section-bg-light: #e7edf4;
  --surface-pale-cyan: #f7fcff;
  --surface-row-alt: #f0fdff;
  --surface-table-header: #e6e6e6;
  --surface-table-header-wash: #c5e2f6;
  --surface-flow-pale: #edf6fb;

  /* アクセント */
  --color-gold: #e28400;
  --color-highlight-yellow: #ffde6e;
  --partner-title-color: #ffdd69;

  /* 対象区間表：列車行 */
  --train-mizuho: #d81b60;
  --train-kodama: #0d47a1;
  --train-nozomi: #e67e22;
  --train-hikari: #b71c1c;

  /* グラデーション */
  --gradient-flow-hero: linear-gradient(to right, #60bae9 0%, #1255a6 100%);
  --gradient-item: linear-gradient(to bottom, #fee590 0%, #febe4e 100%);

  /* セクション固有（1箇所のみの色はここに直接定義） */
  --quick-section-bg: #f2fbfe;
  --comparison-head-quick: #009fe8;

  /* ヒーロー直下ナビ */
  --nav-primary-bg: #004098;
}

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

/* ページ内アンカー（#〜）のスクロールをスムーズに（全幅で有効） */
html {
  scroll-behavior: smooth;
  /* 固定ヘッダー分のスクロール上端オフセット */
  scroll-padding-top: var(--header-offset, 96px);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: "Noto Sans CJK JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--color-text-body);
  background-color: var(--color-white);
}

/* アンカースクロール中はヘッダー遷移を止めて位置ズレを防ぐ */
#main-header.anchor-scrolling {
  transition: none !important;
  -webkit-transition: none !important;
}

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

/* ユーティリティ：<br> の表示切替（同一文で SP / PC の改行位置を分ける） */
.u-br-sp-only {
  display: none;
}

@media (max-width: 768px) {
  .u-br-sp-only {
    display: block;
  }
}

.u-br-pc-only {
  display: block;
}

@media (max-width: 768px) {
  .u-br-pc-only {
    display: none;
  }
}

.lp-main {
  width: 100%;
  padding-top: 0;
}

/* アンカーターゲットのスクロール位置補正（URL直打ち・JS非依存） */
[id] {
  scroll-margin-top: var(--header-offset, 96px);
}

.hero-section {
  width: 100%;
  aspect-ratio: 1024 / 460;
  background-color: var(--color-white);
  background-image: url("../img/bg_mainvisual.jpg");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.hero-section__inner {
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 0;
  height: 100%;
  padding: clamp(16px, 4vw, 48px);
}

.hero-section__logo {
  width: var(--hero-logo-width);
  max-width: 100%;
  height: auto;
}

.service-navigation {
  width: 100%;
  background-color: var(--section-blue);
}

.service-navigation__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  width: min(100%, 1024px);
  margin: 0 auto;
  padding: 22px 44px;
  list-style: none;
}

.service-navigation__item {
  display: flex;
  justify-content: center;
  align-items: stretch;
}

.service-navigation__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-sizing: border-box;
  width: 100%;
  min-height: 48px;
  padding: 14px 12px;
  color: var(--color-white);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.03em;
  text-decoration: none;
}

.service-navigation__link::after {
  content: "";
  width: 0;
  height: 0;
  border-top: 5px solid var(--color-white);
  border-right: 3px solid transparent;
  border-left: 3px solid transparent;
  transform: translateY(1px);
}

.service-navigation__link:hover,
.service-navigation__link:focus-visible {
  color: var(--color-highlight-yellow);
}

.service-navigation__link:hover::after,
.service-navigation__link:focus-visible::after {
  border-top-color: var(--color-highlight-yellow);
}

.section-container {
  width: min(100%, 1024px);
  margin: 0 auto;
  padding: 0 24px;
}

.service-overview-section {
  padding: 56px 0 80px;
  background-color: var(--section-bg-light);
  background-image: url("../img/bg_decoration_left.png"), url("../img/bg_decoration_right.png.png");
  background-position: top 30px right 70vw, top 40px left 66vw;
  background-repeat: no-repeat, no-repeat;
  background-size: 100vw auto, 100vw auto;
}

.section-title {
  text-align: center;
}

.section-title__jp {
  display: inline-block;
  margin: 0;
  color: var(--section-blue);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.08em;
}

.section-title__jp::after {
  content: "";
  display: block;
  width: 106%;
  transform: translateX(-3%);
  height: 3px;
  margin: 6px 0 0;
  background-color: var(--section-blue);
  clip-path: polygon(0 0, 95% 0, 100% 3px, 5% 3px);
}

.section-title__en {
  margin: 12px 0 0;
  color: var(--section-blue-light);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.service-overview-section__description {
  max-width: 820px;
  margin: 22px auto 0;
  color: var(--color-text-brown);
  font-size: 14px;
  line-height: 1.9;
  text-align: center;
}

.service-highlight-block {
  margin-top: 34px;
}

.service-highlight-block__image-wrap {
  margin-top: 80px;
}

.service-highlight-block__image-wrap picture {
  display: block;
  width: 100%;
  max-width: 1024px;
  margin: 0 auto;
}

.service-highlight-block__image {
  width: 100%;
  max-width: 1024px;
  height: auto;
}

.service-content-block {
  margin-top: 120px;
}

.service-content-block__title {
  margin: 0;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--section-blue);
  color: var(--section-blue);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.4;
}

.strength-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  border-top: 1px solid var(--border-subtle);
  border-left: 1px solid var(--border-subtle);
}

.strength-card {
  min-height: 200px;
  padding: 20px 12px;
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--color-white);
  text-align: center;
}

.strength-card__icon {
  margin-bottom: 10px;
}

.strength-card__icon-image {
  width: auto;
  height: 40px;
  object-fit: contain;
}

.strength-card__title {
  margin: 0;
  color: var(--section-blue);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.25;
}

.strength-card__text {
  margin: 12px 0 0;
  color: var(--color-text-default);
  font-size: 14px;
  line-height: 1.65;
  font-weight: 500;
}

.strength-card__text strong {
  color: var(--color-gold);
  font-weight: 700;
}

/* 横スクロール対応表ラッパー（案内オーバーレイの基準・スクロール領域） */
.table-scroll-wrap {
  position: relative;
  overflow-x: auto;
}

/* 対象区間・列車・荷量（表） */
.service-table-wrap {
  margin-top: 40px;
}

/* SP：横スクロール案内（中央オーバーレイ・pointer-events なしで下の表を操作可） */
.table-scroll-hint {
  display: none;
}

.table-scroll-hint__img {
  display: block;
  width: min(140px, 46vw);
  height: auto;
  max-width: 100%;
}

.service-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background-color: var(--color-white);
}

.service-table th,
.service-table td {
  padding: 14px 12px;
  border: 1px solid var(--border-table);
  text-align: center;
  vertical-align: middle;
}

.service-table thead th {
  background-color: var(--surface-table-header);
  color: var(--color-black);
  font-size: 15px;
  font-weight: 700;
}

.service-table thead tr:last-child th.service-table__subhead {
  font-size: 14px;
  font-weight: 700;
}

.service-table__route {
  color: var(--color-text-default);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.65;
}

.service-table__route-note {
  display: inline-block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--color-text-default);
}

.service-table__route-note--asterisk {
  margin-top: 6px;
  font-size: 12px;
}

.service-table tbody th {
  font-size: 16px;
  font-weight: 700;
}

.service-table__capacity {
  font-size: 17px;
  font-weight: 700;
}

.service-table__row--mizuho-sakura .service-table__train-name,
.service-table__row--mizuho-sakura .service-table__capacity:not(.service-table__capacity--dash) {
  color: var(--train-mizuho);
}

.service-table__row--kodama .service-table__train-name,
.service-table__row--kodama .service-table__capacity:not(.service-table__capacity--dash) {
  color: var(--train-kodama);
}

.service-table__row--nozomi .service-table__train-name,
.service-table__row--nozomi .service-table__capacity:not(.service-table__capacity--dash) {
  color: var(--train-nozomi);
}

.service-table__row--hikari .service-table__train-name,
.service-table__row--hikari .service-table__capacity:not(.service-table__capacity--dash) {
  color: var(--train-hikari);
}

.service-table__row--nozomi .service-table__capacity--dash,
.service-table__row--hikari .service-table__capacity--dash {
  color: var(--section-border);
  font-weight: 700;
}

/* クイック参照：対象区間（SVG） */
.quick-service-area__figure {
  margin: 12px 0 0;
}

.quick-service-area__image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.service-content-block__note {
  margin: 12px 0 0;
  color: var(--color-text-note);
  font-size: 14px;
}

.service-range-illustration {
  margin: 60px 20px;
}

.service-range-illustration__image {
  width: 100%;
  max-width: 1024px;
}

/* --- Flow Section --- */
.flow-section {
  padding: 80px 0;
  background: var(--gradient-flow-hero);
}

.section-title__jp--white {
  color: var(--color-highlight-yellow);
}

.section-title__jp--white::after {
  background-color: var(--color-highlight-yellow);
}

.section-title__en--white {
  color: var(--color-white);
}

.flow-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 48px;
}

/* STEP間：二重線の下向きシェブロン（HTML .arrow） */
.flow-arrow-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  padding: 4px 0 8px;
}

.flow-arrow-wrap .arrow {
  position: relative;
  display: inline-block;
  width: 34.6px;
  height: 18.6px;
}

.flow-arrow-wrap .arrow::before,
.flow-arrow-wrap .arrow::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: calc(50% - 1px);
  width: 2px;
  height: 25px;
  border-radius: 9999px;
  background-color: var(--color-white);
  transform-origin: 50% calc(100% - 1px);
}

.flow-arrow-wrap .arrow::before {
  transform: rotate(50deg);
}

.flow-arrow-wrap .arrow::after {
  transform: rotate(-50deg);
}

.flow-step {
  display: flex;
}

.flow-step__header {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 160px;
  padding: 30px 40px;
  background-color: var(--surface-flow-pale);
}

.flow-step__label {
  display: inline-block;
  padding: 8px 28px;
  color: var(--color-white);
  font-size: 16px;
  font-style: italic;
  background-color: var(--section-blue);
  clip-path: polygon(15% 0, 100% 0, 85% 100%, 0 100%);
  font-family: Helvetica;
  font-weight: 600;
  font-style: oblique;
  letter-spacing: 0.16em;
}

.flow-step__time {
  margin-top: 12px;
  color: var(--section-blue);
  font-size: 20px;
  font-weight: 700;
}

.flow-step__body {
  flex: 1;
  padding: 30px 30px;
  background-color: var(--color-white);
}

.flow-step__title {
  margin: 0 0 16px;
  color: var(--color-text-default);
  font-size: 22px;
  font-weight: 700;
}

.flow-step__description {
  color: var(--color-text-default);
  font-size: 16px;
  line-height: 1.7;
}

.flow-step__note {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--color-text-default);
}

.flow-step--last {
  display: block;
  padding: 0;
  background-color: transparent;
}
.flow-step--last .flow-step__time {
  color: var(--color-gold);
}

.flow-step--last .flow-step__main {
  display: flex;
  background-color: var(--color-white);
}

.flow-action-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.flow-action-label {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 120px;
  padding: 6px 12px;
  border-radius: 999px;
  background-color: var(--color-gold);
  color: var(--color-white);
  font-weight: 700;
}

.flow-action-text {
  margin: 0;
  color: var(--color-gold);
  font-weight: 700;
}

.flow-photo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.flow-photo-item {
  margin: 0;
}

.flow-photo-item__image {
  width: 100%;
  aspect-ratio: 210 / 190;
  object-fit: cover;
  display: block;
}

.flow-photo-item__caption {
  margin-top: 8px;
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

/* --- Item Section --- */
.item-section {
  padding: 80px 0;
  background: var(--gradient-item);
}

.item-section__title .section-title__en {
  color: var(--color-gold);
}

.item-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  max-width: 900px;
  margin: 80px auto 0;
}

/* 幅に対し padding-top:100% で正方形化 → 正円（画面幅が変わっても崩れない） */
.item-circle {
  position: relative;
  width: calc(33.333% - 20px);
  max-width: 280px;
  margin-top: -40px;
}

.item-circle__aspect {
  width: 100%;
  padding-top: 100%;
  pointer-events: none;
}

.item-circle__fill {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 24px;
  border: 2px solid var(--color-accent-navy);
  border-radius: 50%;
  background-color: var(--color-white);
  text-align: center;
}

.item-circle__icon {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 60px;
  margin-bottom: 12px;
}

.item-circle__icon-image {
  max-height: 100%;
  width: auto;
}

.item-circle__title {
  margin: 0 0 10px;
  color: var(--color-link-blue);
  font-size: 20px;
  font-weight: 700;
}

.item-circle__text {
  margin: 0;
  color: var(--color-text-default);
  font-size: 14px;
  line-height: 1.5;
}

/* --- Conditions Section --- */
.conditions-section {
  padding: 80px 0;
  background-color: var(--color-white);
  background: url("../img/bg_decoration_right.png.png") top 20px left 60vw no-repeat;
  background-size: 100vw auto; /* バランスを見て調整 */
}

.conditions-list {
  display: block;
  width: 100%;
  max-width: 960px;
  margin: 48px auto 0;
  border-top: none;
  border-bottom: none;
}

.conditions-list__row {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
}

.conditions-list__row:last-child {
  border-bottom: none;
}

.conditions-list__row:nth-child(even) {
  background-color: var(--surface-pale-cyan);
}

.conditions-list__term {
  display: flex;
  align-items: center;
  width: 240px;
  padding: 20px 24px;
  color: var(--color-link-blue);
  font-weight: 700;
  font-size: 18px;
}

.conditions-list__desc {
  flex: 1;
  margin: 0;
  padding: 20px 24px;
  color: var(--color-text-default);
  font-size: 16px;
  line-height: 1.8;
}

.conditions-list__desc p {
  margin: 0;
}

.conditions-list__desc p + p {
  margin-top: 10px;
}

.conditions-list__desc strong {
  color: var(--color-gold);
  font-weight: 700;
}

.conditions-list__note {
  margin-top: 8px;
  font-size: 14px;
  color: var(--color-text-default);
}

/* --- Quick Service Section --- */
.quick-service-section {
  padding: 100px 0;
  background-color: var(--quick-section-bg);
}

.quick-service-header {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 80px;
  margin-bottom: 40px;
}

/* ロゴ画像スタイル */
.quick-logo-wrap {
  margin: 0;
}

.quick-logo-image {
  width: 100%;
  height: auto; /* バランスを見て調整 */
  max-width: 900px;
}

.quick-service-box {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--color-brand);
  color: var(--color-white);
}

.quick-service-box__header {
  padding: 30px;
  text-align: center;
}

.quick-service-box__title {
  margin: 0 0 16px;
  font-size: 24px;
  font-weight: 700;
}

.quick-service-box__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-white);
}

.quick-service-box__body {
  padding: 0 20px 30px;
}

.quick-service-layout {
  display: flex;
  gap: 30px;
  background-color: var(--color-white);
  padding: 30px;
  color: var(--color-accent-navy);
}

.quick-service-area {
  flex: 1;
}

.quick-service-price {
  flex: 1;
  border-left: 1px solid var(--border-subtle);
  padding-left: 30px;
}

.quick-service-area__title,
.quick-service-price__title {
  margin: 0 0 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--section-border);
  color: var(--color-brand);
  font-size: 18px;
  font-weight: 700;
}

/* 料金表スタイル（区間：薄グレー／料金：水色ヘッダー） */
.quick-price-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-table);
}

.quick-price-table th,
.quick-price-table td {
  padding: 6px 14px;
  border: 1px solid var(--border-table);
  text-align: center;
  font-size: 15px;
  color: var(--color-black);
}
.quick-price-table th {
  padding: 2px 14px;
}

.quick-price-table thead th:nth-child(1) {
  background-color: var(--surface-table-header);
  font-weight: 700;
}

.quick-price-table thead th:nth-child(2) {
  background-color: var(--surface-table-header-wash);
  font-weight: 700;
}

.quick-price-table tbody td {
  background-color: var(--color-white);
}

.quick-price-note {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Partner Section --- */
.partner-section {
  padding: 80px 0;
  background-color: var(--color-brand);
  color: var(--color-white);
}

.partner-section__title .section-title__jp {
  color: var(--partner-title-color);
}

.partner-section__title .section-title__jp::after {
  background-color: var(--partner-title-color);
}

.partner-section__desc {
  max-width: 820px;
  margin: 32px auto 40px;
  text-align: center;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-white);
}

.partner-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 60px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.partner-item {
  width: calc(33.333% - 14px);
  max-width: 280px;
  text-align: center;
}

a.partner-item.partner-item--link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.partner-item--link:hover {
  opacity: 0.92;
}

.partner-item--link:focus-visible {
  outline: 2px solid var(--color-highlight-yellow);
  outline-offset: 4px;
  border-radius: 4px;
}

.partner-item__logo-box {
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 280 / 140;
  background-color: var(--color-white);
  padding: 20px;
  margin-bottom: 12px;
}

.partner-item__logo {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
}

.partner-item__name {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
}

.partner-item__url {
  display: block;
  color: var(--color-white);
  font-size: 12px;
  word-break: break-all;
}

/* --- Comparison Section --- */
.comparison-section {
  padding: 80px 0;
  background: url("../img/bg_decoration_left.png") top 0 right 70vw no-repeat;
  background-size: 100vw auto; /* サイズ調整 */
}

.comparison-table-wrap {
  margin-top: 48px;
  padding-bottom: 32px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-white);
}

.comparison-table th,
.comparison-table td {
  padding: 16px;
  border: 1px solid var(--border-subtle);
  color: var(--color-text-default);
  text-align: center;
  font-size: 16px;
  line-height: 1.6;
}
.comparison-table th {
  color: var(--color-white);
}

/* 左端項目セル */
.comparison-table tbody th {
  background-color: var(--surface-row-alt);
  color: var(--color-brand);
  font-weight: 700;
  width: 180px;
}

/* ヘッダー行：左上セルは外周の上・左のみなし（th の一括 border より詳細度を上げる） */
.comparison-table th.comparison-table__head-empty {
  background-color: var(--color-white);
  border-top: none;
  border-left: none;
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table__head-regular {
  background-color: var(--color-brand);
  color: var(--color-white);
  font-size: 18px;
  font-weight: 700;
  padding: 20px;
  width: 40%;
}

.comparison-table__head-quick {
  background-color: var(--comparison-head-quick);
  color: var(--color-white);
  font-size: 18px;
  font-weight: 700;
  padding: 20px;
  width: 40%;
}

.comparison-table__note {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-text-default);
  text-align: center;
}

/* --- Contact Section --- */
.contact-section {
  padding: 60px 0 80px;
  background: var(--gradient-flow-hero);
}

.contact-section__company-name {
  margin: 60px 0 16px;
  color: var(--color-white);
  font-size: 20px;
  font-weight: 700;
  text-align: center;
}

.contact-box {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--color-white);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  display: flex;
}

.contact-box__row {
  display: contents; /* 親のflexに従う */
}

.contact-box__item {
  flex: 1;
  display: flex;
  align-items: stretch;
  padding: 0;
  text-align: center;
}

.contact-box__item--tel {
  background-color: var(--color-white);
  letter-spacing: 1.4em;
}

.contact-box__item--mail {
  background-color: var(--surface-flow-pale);
}

.contact-link {
  display: flex;
  flex: 1 1 auto;
  align-self: stretch;
  align-items: center;
  justify-content: center;
  gap: 16px;
  box-sizing: border-box;
  width: 100%;
  padding: 30px 20px;
  text-decoration: none;
  color: var(--color-brand);
}

.contact-link:focus-visible {
  outline: 2px solid var(--color-highlight-yellow);
  outline-offset: -2px;
}

.contact-icon {
  width: auto;
  height: 28px;
}

.contact-text {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-body);
}

/* メールアドレスのみ少し小さく調整 */
.contact-box__item--mail .contact-text {
  font-size: 16px;
  letter-spacing: 0.08em;
}

@media (max-width: 768px) {
  /* --- ヒーロー（SP：MV画像比率 750:1106 に合わせた枠＋cover） --- */
  .hero-section {
    display: flex;
    flex-direction: column;
    width: 100%;
    aspect-ratio: 750 / 1106;
    min-height: 0;
    max-height: none;
    background-color: var(--color-white);
    background-image: url("../img/bg_mainvisual_sp.jpg");
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
  }

  .hero-section__inner {
    flex: 1;
    display: grid;
    place-items: center;
    align-self: stretch;
    width: 100%;
    min-height: 0;
    padding: clamp(12px, 4vw, 28px) 16px;
  }

  .hero-section__logo {
    width: 100%;
  }

  /* --- ナビ（SP：2列×4行・区切り線なし） --- */
  .service-navigation__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    padding: 0 0 28px;
    width: 100%;
    max-width: 340px;
    margin: 0 auto;
  }

  .service-navigation__item {
    justify-content: stretch;
  }

  .service-navigation__link {
    justify-content: flex-start;
    padding: 14px 12px 14px 14px;
    font-size: 15px;
    font-weight: 600;
  }

  .section-container {
    padding: 0 16px;
  }

  .service-overview-section {
    padding: 34px 0 52px;
    background-position: top 80px right 65vw, top 40px right -100%;
    background-size: 180% 160px , 0;
  }

  .section-title__jp {
    font-size: 22px;
    letter-spacing: 0.14em;
  }

  .section-title__jp::after {
    
    height: 8px;
  }

  .section-title__en {
    margin-top: 4px;
    font-size: 12px;
    letter-spacing: 0.16em;
  }

  .service-overview-section__description {
    font-size: 14px;
    line-height: 1.8;
  }

  .service-highlight-block {
    margin-top: 30px;
  }

  .service-highlight-block__image-wrap {
    margin: 40px auto 80px;
  }
  
  .service-highlight-block__image {
    width: 100%;
  }

  .service-content-block {
    margin-top: 36px;
  }

  .service-content-block__title {
    font-size: 18px;
    letter-spacing: 0.04em;
  }

  .strength-card-grid {
    grid-template-columns: 1fr;
  }

  .strength-card {
    min-height: 0;
    padding: 16px 8px;
  }

  .strength-card__icon {
    margin-bottom: -12px;
  }

  .strength-card__icon-image {
    height: 28px;
  }

  .strength-card__title {
    font-size: 18px;
  }

  .strength-card__text {
    font-size: 14px;
  }

  .service-table-wrap {
    margin-top: 28px;
    padding-bottom: 16px;
  }

  .table-scroll-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
  }

  .table-scroll-hint:not(.table-scroll-hint--hide) {
    opacity: 1;
  }

  .table-scroll-hint.table-scroll-hint--hide {
    opacity: 0;
  }

  .service-table {
    min-width: 620px;
  }
  .service-table thead th {
    font-size: 13px;
  }
  .service-table thead tr:last-child th.service-table__subhead {
    font-size: 13px;
  }
  .service-table th,
  .service-table td {
    padding: 12px 4px;
    font-size: 12px;
  }

  .service-table tbody th {
    font-size: 12px;
  }
  .service-table .service-table__route-note {
    font-size: 12px;
  }

  .service-table__capacity {
    font-size: 12px;
  }

  .service-range-illustration {
    margin-top: 18px;
  }

  .flow-section {
    padding: 40px 0 60px;
  }

  .flow-content {
    gap: 12px;
    margin-top: 32px;
  }

  .flow-arrow-wrap {
    padding: 2px 0 6px;
  }

  .flow-step {
    flex-direction: column;
    padding: 0;
  }

  .flow-step__header {
    padding: 16px;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    border-bottom: 1px solid var(--border-subtle);
  }
  .flow-step__label {
    font-size: 12px;
    padding: 4px 16px;
  }

  .flow-step__time {
    margin-top: 0;
    font-size: 16px;
  }

  .flow-step__body {
    padding: 12px 18px;
    border-left: none;
  }

  .flow-step__title {
    font-size: 18px;
  }

  .flow-step__description {
    font-size: 13px;
  }

  .flow-step--last .flow-step__main {
    flex-direction: column;
  }

  .flow-action-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .flow-action-label {
    font-size: 12px;
    padding: 4px 16px;
    min-width: 92px;
  }
  .flow-action-text {
    font-size: 14px;
  }

  .flow-step__note {
    font-size: 12px;
  }

  .flow-photo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 8px;
  }

  .item-section {
    padding: 40px 0 60px;
  }

  /* 2列 → 1列（中央） → 2列 */
  .item-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 10px;
    margin-top: 40px;
    justify-items: stretch;
  }
  .item-circle {
    width: 100%;
    max-width: none;
    margin-top: -8px;
  }

  .item-circle:nth-child(3) {
    grid-column: 1 / -1;
    justify-self: center;
    width: calc((100% - 10px) / 2);
  }

  .item-circle__fill {
    padding: 18px;
  }
  .item-circle__icon-image {
    height: 40px;
  }
  .item-circle__icon {
    margin-bottom: 4px;
  }

  .item-circle__title {
    font-size: 14px;
    margin-bottom: 4px;
  }

  .item-circle__text {
    font-size: 12px;
  }

  .conditions-section {
    padding: 60px 0;

      background-position: top 10px left 60vw;
      background-size: 100vw 140px; /* バランスを見て調整 */
  }

  .conditions-list {
    margin-top: 32px;
  }

  .conditions-list__row {
    flex-direction: column;
  }

  .conditions-list__term {
    width: 100%;
    padding: 12px 16px 8px;
    font-size: 16px;
  }

  .conditions-list__desc {
    padding: 0 16px 16px;
    font-size: 13px;
  }

  .quick-service-section {
    padding: 40px 0 60px;
  }

  .quick-service-header {
    flex-direction: column;
    gap: 30px;
    margin-top: 30px;
  }

  .quick-service-box__header {
    padding: 24px 16px;
  }

  .quick-service-box__title {
    font-size: 20px;
  }

  .quick-service-box__body {
    padding: 0 12px 20px;
  }

  .quick-service-box__desc {
    font-size: 13px;
  }

  .quick-service-layout {
    flex-direction: column;
    gap: 30px;
    padding: 20px 16px;
  }

  .quick-service-price {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
    padding-left: 0;
    padding-top: 30px;
  }
  .quick-price-note {
    font-size: 10px;
  }

  .partner-section {
    padding: 60px 0;
  }

  .partner-section__desc {
    font-size: 14px;
    text-align: center;
  }

  .partner-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 8px;
    max-width: none;
  }

  .partner-item {
    width: 100%;
    max-width: none;
    min-width: 0;
  }

  .partner-item:last-child {
    grid-column: 1 / -1;
    justify-self: center;
    width: calc((100% - 8px) / 2);
  }

  .partner-item__url {
    font-size: 11px;
  }

  .comparison-section {
    padding: 80px 0;
    background-size: 100vw 160px;
    background-position: top -60px right 60vw;
  }

  .comparison-table {
    min-width: 680px;
  }
  .comparison-table th {
    font-size: 14px;
  }
  .comparison-table th, .comparison-table td {
    padding: 12px 8px;
  }

  .comparison-table__head-empty {
    width: 80px;
    min-width: 80px;
    max-width: 80px;
  }

  .comparison-table tbody th {
    width: 80px;
    min-width: 80px;
    max-width: 80px;
  }

  /* Contact Section Mobile */
  .contact-section {
    padding: 40px 0 60px;
  }

  .contact-section__company-name {
    font-size: 16px;
    margin: 24px 0 32px;
  }

  .contact-box {
    flex-direction: column;
  }

  .contact-box__item {
    padding: 12px;
  }

  .contact-link {
    padding: 24px 16px;
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .contact-box__item--tel {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }

  .contact-text {
    font-size: 28px;
  }

  .contact-box__item--mail .contact-text {
    font-size: 18px;
  }
}