/* =====================================================
   株式会社ケアテク 公式サイト
   ===================================================== */

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

:root {
  /* Brand */
  --color-green: #3fae7e;
  --color-green-dark: #2e8d65;
  --color-blue: #2e9cd8;
  --color-blue-dark: #1f7eb3;
  --color-ink: #1b3a4b;
  --color-ink-soft: #46606e;
  --color-muted: #7a8a93;
  --color-line: #e6ddd0;
  --color-cream: #f7f4ed;
  --color-cream-soft: #fbf9f4;
  --color-white: #ffffff;
  --color-accent: #d29a3a;

  /* Typography */
  --font-jp: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --font-jp-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
  --font-en: "Cormorant Garamond", "Times New Roman", serif;
  --font-en-sans: "Nunito Sans", "Helvetica Neue", sans-serif;

  /* Sizing */
  --max-content: 1200px;
  --max-narrow: 880px;

  /* Effects */
  --shadow-card: 0 24px 48px -24px rgba(27, 58, 75, 0.18);
  --shadow-soft: 0 8px 24px -16px rgba(27, 58, 75, 0.2);
  --transition-base: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-jp-sans);
  color: var(--color-ink);
  background: var(--color-cream-soft);
  line-height: 1.85;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-green);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

p {
  margin: 0;
}

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

/* ---------- Layout helpers ---------- */
.container {
  width: min(92%, var(--max-content));
  margin-inline: auto;
}

.container-narrow {
  width: min(92%, var(--max-narrow));
  margin-inline: auto;
}

.section {
  padding: clamp(72px, 10vw, 140px) 0;
  position: relative;
}

.section-cream {
  background: var(--color-cream);
}

.section-dark {
  background: linear-gradient(160deg, #15303f 0%, #1b3a4b 60%, #234a5f 100%);
  color: var(--color-cream);
}

.section-gradient {
  background: linear-gradient(170deg, var(--color-cream-soft) 0%, var(--color-cream) 100%);
}

/* ---------- Section heading ---------- */
.eyebrow {
  font-family: var(--font-en);
  font-size: 15px;
  font-style: italic;
  letter-spacing: 0.3em;
  color: var(--color-green);
  text-transform: uppercase;
  margin-bottom: 18px;
  display: inline-block;
}

.section-title {
  font-family: var(--font-jp);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.section-title small {
  display: block;
  font-family: var(--font-en);
  font-style: italic;
  font-size: 0.42em;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0.25em;
  margin-top: 18px;
  text-transform: uppercase;
}

.section-lead {
  margin-top: 32px;
  font-size: 16px;
  line-height: 2.1;
  color: var(--color-ink-soft);
  max-width: 640px;
}

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

.section-head-center .section-lead {
  margin-inline: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 38px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.18em;
  border-radius: 999px;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-green);
  color: var(--color-white);
  box-shadow: 0 12px 28px -12px rgba(63, 174, 126, 0.7);
}

.btn-primary:hover {
  background: var(--color-green-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -14px rgba(63, 174, 126, 0.7);
}

.btn-outline {
  border: 1px solid var(--color-ink);
  color: var(--color-ink);
}

.btn-outline:hover {
  background: var(--color-ink);
  color: var(--color-cream);
}

.btn-ghost-light {
  border: 1px solid rgba(247, 244, 237, 0.4);
  color: var(--color-cream);
}

.btn-ghost-light:hover {
  background: var(--color-cream);
  color: var(--color-ink);
}

.btn.is-disabled,
.btn[aria-disabled="true"] {
  background: transparent;
  border: 1px solid var(--color-line);
  color: var(--color-muted);
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
  opacity: 0.85;
}

.btn-arrow::after {
  content: "→";
  display: inline-block;
  transition: transform var(--transition-base);
}

.btn-arrow:hover::after {
  transform: translateX(6px);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 22px 0;
  transition: background var(--transition-base), padding var(--transition-base),
    box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(140%) blur(12px);
  padding: 14px 0;
  box-shadow: 0 4px 24px -16px rgba(27, 58, 75, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 60;
  position: relative;
}

.brand img {
  height: 46px;
  width: auto;
  transition: height var(--transition-base), filter var(--transition-base);
  /* ダーク背景でロゴを少し浮かせる効果 */
  filter: drop-shadow(0 1px 6px rgba(0, 0, 0, 0.18));
}

.site-header.is-scrolled .brand img {
  height: 38px;
  filter: none;
}

@media (max-width: 540px) {
  .brand img {
    height: 38px;
  }
  .site-header.is-scrolled .brand img {
    height: 32px;
  }
}

.nav {
  display: flex;
  align-items: center;
  gap: 38px;
}

.nav a {
  font-size: 13px;
  letter-spacing: 0.18em;
  font-weight: 600;
  position: relative;
  color: var(--color-ink);
}

.site-header:not(.is-scrolled) .nav a:not(.btn) {
  color: var(--color-cream);
}

.site-header:not(.is-scrolled) .brand .brand-fallback {
  color: var(--color-cream);
}

.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.nav a:not(.btn):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav .btn {
  padding: 12px 26px;
  font-size: 12px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  z-index: 60;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform var(--transition-base), opacity var(--transition-base),
    background var(--transition-base);
}

.site-header:not(.is-scrolled) .nav-toggle span {
  background: var(--color-cream);
}

.nav-toggle span:nth-child(1) {
  top: 16px;
}

.nav-toggle span:nth-child(2) {
  top: 22px;
}

.nav-toggle span:nth-child(3) {
  top: 28px;
}

body.nav-open .nav-toggle span {
  background: var(--color-ink);
}

body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- Hero (top) ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  color: var(--color-cream);
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(135deg, #1b3a4b 0%, #2c5f74 50%, #3fae7e 100%);
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../images/hero-main.svg");
  background-size: cover;
  background-position: center;
  opacity: 1;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(27, 58, 75, 0.5) 100%);
}

.hero-inner {
  padding-top: 120px;
  padding-bottom: 120px;
  width: min(92%, var(--max-content));
  margin-inline: auto;
}

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 16px;
  font-style: italic;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(247, 244, 237, 0.85);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-jp);
  font-size: clamp(34px, 6.4vw, 76px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.hero-title span {
  display: block;
}

.hero-title .accent {
  color: #b9efd5;
}

.hero-sub {
  margin-top: 32px;
  max-width: 540px;
  font-size: 16px;
  line-height: 2;
  color: rgba(247, 244, 237, 0.92);
}

.hero-cta {
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-en);
  letter-spacing: 0.3em;
  font-size: 12px;
  text-transform: uppercase;
  color: rgba(247, 244, 237, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-scroll::after {
  content: "";
  width: 1px;
  height: 50px;
  background: rgba(247, 244, 237, 0.5);
  animation: scroll-line 2.4s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Page hero (sub pages) */
.page-hero {
  min-height: 60svh;
  position: relative;
  display: flex;
  align-items: center;
  color: var(--color-cream);
  overflow: hidden;
  isolation: isolate;
  padding-top: 100px;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(135deg, #1b3a4b 0%, #2c5f74 60%, #3fae7e 110%);
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: var(--page-hero-image, none);
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  filter: saturate(0.85);
}

.page-hero-inner {
  width: min(92%, var(--max-content));
  margin-inline: auto;
  padding-block: 80px;
}

.page-hero .hero-eyebrow {
  margin-bottom: 18px;
}

.page-hero h1 {
  font-family: var(--font-jp);
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.5;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
}

.page-hero p {
  margin-top: 28px;
  max-width: 600px;
  line-height: 2;
  color: rgba(247, 244, 237, 0.9);
}

/* ---------- Concept block ---------- */
.concept {
  text-align: center;
}

.concept-vertical-text {
  font-family: var(--font-jp);
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 2.2;
  letter-spacing: 0.18em;
  color: var(--color-ink);
  font-weight: 500;
}

.concept-quote {
  margin-top: 36px;
  font-family: var(--font-en);
  font-size: 18px;
  font-style: italic;
  letter-spacing: 0.2em;
  color: var(--color-green);
}

/* ---------- Service overview ---------- */
.service-grid {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 64px -28px rgba(27, 58, 75, 0.3);
}

.service-card .service-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #d6eee2 0%, #a9dfca 100%);
}

.service-card .service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.service-card:hover .service-image img {
  transform: scale(1.06);
}

.service-card .service-no {
  position: absolute;
  top: 24px;
  left: 28px;
  font-family: var(--font-en);
  font-style: italic;
  font-size: 18px;
  letter-spacing: 0.3em;
  color: var(--color-cream);
  z-index: 2;
}

.service-card .service-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0) 50%);
}

.service-card .service-body {
  padding: 40px 36px 44px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  flex: 1;
}

/* 画像なし版のサービスカード */
.service-grid.no-image .service-card {
  border-top: 4px solid var(--color-green);
}

.service-grid.no-image .service-card:nth-child(2) {
  border-top-color: var(--color-blue);
}

.service-grid.no-image .service-card .service-body {
  padding: 56px 44px 52px;
  gap: 18px;
}

.service-grid.no-image .service-no {
  position: static;
  color: var(--color-muted);
  font-family: var(--font-en);
  font-style: italic;
  letter-spacing: 0.3em;
  font-size: 16px;
}

.service-card h3 {
  font-family: var(--font-jp);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.service-card .service-tag {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--color-green);
  text-transform: uppercase;
}

.service-card p {
  color: var(--color-ink-soft);
  line-height: 2;
  font-size: 15px;
}

.service-card .service-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  letter-spacing: 0.18em;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-ink);
  border-bottom: 1px solid currentColor;
  padding-bottom: 6px;
}

.service-card .service-link::after {
  content: "→";
  transition: transform var(--transition-base);
}

.service-card:hover .service-link::after {
  transform: translateX(6px);
}

/* ---------- Story / Origin ---------- */
.story-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.story-image {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 4px;
  overflow: hidden;
  background: linear-gradient(135deg, #2c5f74, #3fae7e);
}

.story-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-image::after {
  content: "";
  position: absolute;
  width: 70%;
  height: 70%;
  border: 2px solid var(--color-green);
  bottom: -28px;
  right: -28px;
  z-index: -1;
  border-radius: 4px;
}

.story-text p + p {
  margin-top: 28px;
}

.story-text {
  color: var(--color-ink-soft);
  line-height: 2.1;
}

.story-text-center {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
}

.story-text-center p {
  text-align: left;
}

.three-pillars {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar {
  text-align: center;
  padding: 36px 24px;
  background: var(--color-white);
  border-radius: 8px;
  border: 1px solid var(--color-line);
}

.pillar-num {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--color-green);
  font-style: italic;
}

.pillar h4 {
  margin-top: 14px;
  font-family: var(--font-jp);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.pillar p {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-ink-soft);
}

.pillar-merge {
  text-align: center;
  margin-top: 40px;
  font-family: var(--font-jp);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-ink);
}

.pillar-merge span {
  color: var(--color-green);
}

/* ---------- Feature blocks ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 80px;
}

.feature-row.reverse .feature-image {
  order: 2;
}

.feature-row.reverse .feature-text-wrap {
  order: 1;
}

.feature-row.no-image {
  grid-template-columns: minmax(0, var(--max-narrow));
  justify-content: center;
  text-align: left;
}

.feature-row.no-image .feature-text-wrap {
  max-width: 720px;
  margin-inline: auto;
}

.feature-row + .feature-row {
  margin-top: 100px;
}

.feature-image {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, #f0e6d3, #d8c8a3);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-num {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--color-green);
  font-style: italic;
}

.feature-title {
  margin-top: 18px;
  font-family: var(--font-jp);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.55;
}

.feature-text {
  margin-top: 26px;
  color: var(--color-ink-soft);
  line-height: 2.05;
}

.feature-list {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-list li {
  position: relative;
  padding-left: 24px;
  color: var(--color-ink-soft);
  line-height: 1.9;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 14px;
  height: 1.5px;
  background: var(--color-green);
}

/* ---------- 悩み ---------- */
.pain-grid {
  margin-top: 60px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.pain-grid .pain-card {
  /* 5枚等分。1100px以下は3カラム、760px以下は2カラム相当に切り替え */
  flex: 0 0 calc((100% - 16px * 4) / 5);
  min-width: 0;
}

@media (max-width: 1100px) {
  .pain-grid .pain-card {
    flex: 0 0 calc((100% - 16px * 2) / 3);
  }
}

@media (max-width: 760px) {
  .pain-grid .pain-card {
    flex: 0 0 calc((100% - 16px) / 2);
  }
}

.pain-card {
  padding: 32px 24px;
  background: var(--color-white);
  border-radius: 4px;
  border-top: 3px solid var(--color-green);
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.pain-card .pain-num {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 36px;
  color: var(--color-green);
  font-weight: 400;
  line-height: 1;
}

.pain-card .pain-text {
  margin-top: 14px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.05em;
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- Process flow ---------- */
.flow {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.flow-step {
  background: var(--color-white);
  padding: 36px 28px;
  border-radius: 6px;
  border: 1px solid var(--color-line);
  position: relative;
}

.flow-step h4 {
  font-family: var(--font-jp);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-ink);
}

.flow-step .step-no {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--color-green);
  font-style: italic;
  margin-bottom: 12px;
}

.flow-step p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-ink-soft);
}

/* ---------- BPO 業務範囲タイムライン ---------- */
.bpo-scope {
  margin-top: 60px;
  background: var(--color-white);
  border-radius: 8px;
  padding: 48px 36px;
  border: 1px solid var(--color-line);
}

.bpo-scope h3 {
  font-family: var(--font-jp);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  text-align: center;
  color: var(--color-ink);
}

.bpo-tasks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.bpo-tasks .task {
  background: var(--color-cream);
  border-radius: 4px;
  padding: 18px 14px;
  text-align: center;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0.05em;
  border-left: 3px solid var(--color-green);
}

.bpo-tasks .task .task-no {
  display: block;
  font-family: var(--font-en);
  font-style: italic;
  font-size: 12px;
  color: var(--color-green);
  margin-bottom: 6px;
  letter-spacing: 0.2em;
}

.bpo-out {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px dashed var(--color-line);
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.9;
}

.bpo-out strong {
  display: block;
  color: var(--color-ink);
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: 0.1em;
}

/* ---------- 効果 ---------- */
.effect-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.effect-card {
  background: var(--color-white);
  padding: 40px 32px;
  border-radius: 6px;
  border: 1px solid var(--color-line);
  text-align: center;
}

.effect-card .effect-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 600;
  font-style: italic;
}

.effect-card h4 {
  font-family: var(--font-jp);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.effect-card p {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-ink-soft);
}

.effect-card .effect-stat {
  margin-top: 18px;
  font-family: var(--font-en);
  font-size: 32px;
  color: var(--color-green);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.effect-card .effect-stat small {
  font-size: 13px;
  font-family: var(--font-jp-sans);
  font-weight: 500;
  color: var(--color-muted);
  margin-left: 4px;
}

/* ---------- Pricing ---------- */
.pricing {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.price-card {
  background: var(--color-white);
  padding: 48px 40px;
  border-radius: 8px;
  border: 1px solid var(--color-line);
  text-align: center;
}

.price-card .price-label {
  font-family: var(--font-en);
  letter-spacing: 0.3em;
  color: var(--color-green);
  font-style: italic;
  font-size: 13px;
  text-transform: uppercase;
}

.price-card h4 {
  margin-top: 8px;
  font-family: var(--font-jp);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.price-card .price-amount {
  margin-top: 24px;
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.price-card .price-amount small {
  font-size: 16px;
  color: var(--color-muted);
  margin-left: 6px;
  font-weight: 400;
}

.price-card .price-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.9;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  position: relative;
  padding: clamp(72px, 10vw, 120px) 0;
  text-align: center;
  background: linear-gradient(135deg, #1b3a4b 0%, #2c5f74 60%, #3fae7e 130%);
  color: var(--color-cream);
  overflow: hidden;
  isolation: isolate;
}

.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(247, 244, 237, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: -1;
}

.cta-banner h2 {
  font-family: var(--font-jp);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

.cta-banner p {
  margin-top: 24px;
  color: rgba(247, 244, 237, 0.9);
  line-height: 2;
}

.cta-actions {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ---------- Company table ---------- */
.company-table {
  margin-top: 40px;
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 22px 8px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  font-size: 15px;
  line-height: 1.8;
  vertical-align: top;
}

.company-table th {
  width: 200px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-ink);
}

.company-table td {
  color: var(--color-ink-soft);
}

.partner-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.partner-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
  padding-bottom: 1px;
  width: fit-content;
}

.partner-list a:hover {
  color: var(--color-green);
  border-bottom-color: var(--color-green);
}

.partner-list .ext-icon {
  flex-shrink: 0;
  color: var(--color-muted);
  transition: color var(--transition-base), transform var(--transition-base);
}

.partner-list a:hover .ext-icon {
  color: var(--color-green);
  transform: translate(2px, -2px);
}

/* ---------- Contact methods ---------- */
.contact-methods {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.contact-method {
  background: var(--color-white);
  padding: 48px 32px;
  border-radius: 8px;
  border: 1px solid var(--color-line);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-method:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.contact-method .contact-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-green) 0%, var(--color-blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 26px;
}

.contact-method h3 {
  font-family: var(--font-jp);
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  font-weight: 600;
}

.contact-method p {
  margin-top: 16px;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--color-ink-soft);
}

.contact-method .contact-value {
  display: block;
  margin-top: 18px;
  font-family: var(--font-en);
  font-size: 22px;
  color: var(--color-green);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.contact-method .btn {
  margin-top: 24px;
}

/* ---------- FAQ ---------- */
.faq-list {
  margin-top: 60px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--color-white);
  border-radius: 6px;
  border: 1px solid var(--color-line);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 600;
  color: var(--color-ink);
  position: relative;
  font-size: 15.5px;
  letter-spacing: 0.05em;
}

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

.faq-item summary::before {
  content: "Q";
  font-family: var(--font-en);
  font-style: italic;
  color: var(--color-green);
  font-weight: 600;
  font-size: 18px;
  flex-shrink: 0;
}

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  color: var(--color-green);
  font-size: 22px;
  transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 28px 26px 60px;
  color: var(--color-ink-soft);
  line-height: 2;
  font-size: 14.5px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #142a37;
  color: rgba(247, 244, 237, 0.75);
  padding: 80px 0 36px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand img {
  height: 44px;
  width: auto;
  background: rgba(255, 255, 255, 0.96);
  padding: 6px 10px;
  border-radius: 6px;
}

.footer-brand p {
  margin-top: 24px;
  font-size: 13.5px;
  line-height: 1.95;
  color: rgba(247, 244, 237, 0.7);
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--color-cream);
  text-transform: uppercase;
  margin-bottom: 22px;
  font-weight: 500;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(247, 244, 237, 0.7);
}

.footer-col a:hover {
  color: var(--color-green);
}

.footer-col address {
  font-style: normal;
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(247, 244, 237, 0.7);
}

.footer-bottom {
  margin-top: 60px;
  padding-top: 28px;
  border-top: 1px solid rgba(247, 244, 237, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(247, 244, 237, 0.55);
  letter-spacing: 0.1em;
}

.footer-bottom .legal {
  display: flex;
  gap: 28px;
}

/* ---------- Animations (scroll) ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 1s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in.delay-1 { transition-delay: 0.1s; }
.fade-in.delay-2 { transition-delay: 0.2s; }
.fade-in.delay-3 { transition-delay: 0.3s; }
.fade-in.delay-4 { transition-delay: 0.4s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .three-pillars {
    grid-template-columns: 1fr;
  }
  .effect-grid {
    grid-template-columns: 1fr;
  }
  .flow {
    grid-template-columns: 1fr;
  }
  .bpo-tasks {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-row {
    gap: 48px;
  }
  .page-hero-inner {
    padding-block: 60px;
  }
  .bpo-scope {
    padding: 36px 24px;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: block;
  }
  .nav {
    position: fixed;
    inset: 0;
    background: var(--color-cream);
    flex-direction: column;
    justify-content: center;
    gap: 36px;
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
    z-index: 55;
  }
  .nav a:not(.btn) {
    color: var(--color-ink) !important;
    font-size: 15px;
  }
  body.nav-open .nav {
    transform: translateX(0);
  }
  body.nav-open {
    overflow: hidden;
  }
  .service-grid,
  .pricing,
  .contact-methods {
    grid-template-columns: 1fr;
  }
  .story-grid,
  .feature-row {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .feature-row .feature-image {
    order: -1 !important;
  }
  .feature-row .feature-text-wrap {
    order: 0 !important;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
  .company-table th {
    width: 130px;
    font-size: 13.5px;
  }
}

@media (max-width: 540px) {
  body {
    line-height: 1.8;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .bpo-tasks {
    grid-template-columns: 1fr;
  }
  .hero-cta .btn,
  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .btn {
    padding: 16px 24px;
    font-size: 13px;
  }
  .section {
    padding: 60px 0;
  }
  .pain-grid {
    gap: 12px;
  }
  .pain-grid .pain-card {
    flex: 0 0 calc((100% - 12px) / 2);
    padding: 24px 14px;
  }
  .hero-inner {
    padding-top: 100px;
    padding-bottom: 100px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .section-title {
    line-height: 1.55;
  }
  .section-lead {
    font-size: 15px;
    line-height: 2;
  }
  .feature-row,
  .feature-row.no-image {
    gap: 32px;
  }
  .feature-num {
    font-size: 12px;
  }
  .price-card {
    padding: 36px 24px;
  }
  .price-card .price-amount {
    font-size: 38px;
  }
  .effect-card {
    padding: 32px 24px;
  }
  .contact-method {
    padding: 36px 24px;
  }
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 8px 0;
    border-bottom: none;
  }
  .company-table tr {
    display: block;
    border-bottom: 1px solid var(--color-line);
    padding: 18px 0;
  }
  .company-table th {
    font-size: 12px;
    color: var(--color-muted);
    letter-spacing: 0.15em;
    margin-bottom: 4px;
  }
  .faq-item summary {
    padding: 18px 18px;
    font-size: 14.5px;
  }
  .faq-answer {
    padding: 0 18px 22px 48px;
    font-size: 14px;
  }
  .footer-brand p {
    font-size: 13px;
  }
  .site-footer {
    padding: 60px 0 28px;
  }
  .cta-banner h2 {
    font-size: 22px;
    line-height: 1.7;
  }
  .hero-scroll {
    bottom: 24px;
    font-size: 11px;
  }
  .hero-scroll::after {
    height: 36px;
  }
  /* iOSで入力時に自動ズームしないよう16px最低 */
  input,
  select,
  textarea {
    font-size: 16px;
  }
}

/* タブレット縦向き専用調整 */
@media (min-width: 541px) and (max-width: 860px) {
  .hero-inner {
    padding-top: 130px;
  }
  .container,
  .container-narrow {
    width: 88%;
  }
}

/* ノッチ・セーフエリア対応 */
@supports (padding: max(0px)) {
  .container,
  .container-narrow,
  .header-inner {
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
  }
}