@charset "UTF-8";

/* =========================================
   Reset & Base
========================================= */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Noto Sans JP", system-ui, -apple-system, sans-serif;
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  word-break: auto-phrase;
  line-break: strict;
}
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.4; letter-spacing: -0.02em; word-break: auto-phrase; line-break: strict; text-wrap: balance; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease, opacity 0.2s ease; }
a:hover { opacity: 0.7; }
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: transparent; border: 0; padding: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
:root {
  --c-bg: #FFFFFF;
  --c-bg-alt: #F5F8FB;
  --c-main: #0B3D91;
  --c-main-dark: #082C6B;
  --c-accent: #19B5B0;
  --c-accent-dark: #138F8B;
  --c-text: #1A1A1A;
  --c-text-sub: #5A6470;
  --c-border: #E2E8EE;
  --shadow-card: 0 4px 20px rgba(11, 61, 145, 0.08);
  --shadow-card-hover: 0 8px 32px rgba(11, 61, 145, 0.14);
  --shadow-header: 0 2px 12px rgba(11, 61, 145, 0.06);
  --header-h: 72px;
  --header-h-sp: 60px;
}

/* =========================================
   Utilities
========================================= */
.u-pc-only { display: inline; }
.u-sp-only { display: none; }
@media (max-width: 768px) {
  .u-pc-only { display: none; }
  .u-sp-only { display: inline; }
}

/* =========================================
   Section common
========================================= */
.section { position: relative; padding: 96px 0; }
.section--alt { background: #F7F6F2; }
.section__inner { width: 92%; max-width: 1200px; margin: 0 auto; }
.section__inner--narrow { max-width: 880px; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header__en {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Inter", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-accent);
  margin: 0 0 12px;
}
.section-header__num {
  display: inline-flex;
  align-items: center;
  padding-right: 12px;
  border-right: 1px solid currentColor;
  color: var(--c-text-sub);
  letter-spacing: 0.08em;
  opacity: 0.7;
}
.section-header__ja { font-size: 3.2rem; line-height: 1.5; color: var(--c-main); }
.section-header__lead { margin-top: 20px; font-size: 1.5rem; color: var(--c-text-sub); line-height: 1.9; }

/* =========================================
   Buttons
========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 220px;
  padding: 16px 32px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.25s ease, color 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
}
.btn:hover {
  transform: translateY(2px);
  opacity: 1;
}
.btn:active {
  transform: translateY(4px);
}
.btn--primary {
  background: var(--c-main);
  color: #fff;
  box-shadow: 0 2px 6px rgba(11, 61, 145, 0.18);
}
.btn--primary:hover {
  background: var(--c-main-dark);
  box-shadow: 0 1px 3px rgba(11, 61, 145, 0.2), inset 0 1px 2px rgba(0, 0, 0, 0.12);
}
.btn--primary:active {
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.2);
}
.btn--outline {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}
.btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.22), inset 0 1px 2px rgba(0, 0, 0, 0.08);
}
.btn--outline:active {
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.18);
}
.btn--large { min-width: 280px; padding: 20px 40px; font-size: 1.6rem; }

/* =========================================
   Global Header
========================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(12px);
  box-shadow: var(--shadow-header);
  border-bottom: 1px solid var(--c-border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 92%;
  max-width: 1400px;
  height: var(--header-h);
  margin: 0 auto;
}
.header__logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header__logo:hover { opacity: 1; }
.header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--c-main), var(--c-accent));
  color: #fff;
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  border-radius: 10px;
}
.header__logo-text { font-family: "Inter", sans-serif; font-weight: 700; font-size: 1.6rem; letter-spacing: 0.08em; color: var(--c-main); }
.header__nav { flex: 1; }
.header__nav-list { display: flex; align-items: center; justify-content: flex-end; gap: 28px; }
.header__nav-list a {
  position: relative;
  display: inline-block;
  padding: 8px 0;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--c-text);
}
.header__nav-list a:hover { opacity: 1; color: var(--c-main); }
.header__nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.4s cubic-bezier(.2,.7,.2,1);
}
.header__nav-list a:hover::after { transform: scaleX(1); }
.header__cta {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: var(--c-main);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  border-radius: 4px;
  flex-shrink: 0;
  box-shadow: 0 2px 4px rgba(11, 61, 145, 0.15);
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.25s ease, opacity 0.2s ease;
}
.header__cta:hover {
  background: var(--c-main-dark);
  transform: translateY(2px);
  box-shadow: 0 1px 2px rgba(11, 61, 145, 0.2), inset 0 1px 2px rgba(0, 0, 0, 0.1);
  opacity: 1;
}
.header__cta:active {
  transform: translateY(3px);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.2);
}
.header__burger { display: none; }

@media (max-width: 1024px) {
  .header__nav { display: none; }
  .header__cta { display: none; }
  .header__inner { height: var(--header-h-sp); }
  .header__burger {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 40px;
    height: 40px;
  }
  .header__burger-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-main);
    transition: transform 0.3s ease, opacity 0.2s ease;
  }
  .header__burger[aria-expanded="true"] .header__burger-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .header__burger[aria-expanded="true"] .header__burger-bar:nth-child(2) { opacity: 0; }
  .header__burger[aria-expanded="true"] .header__burger-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

/* =========================================
   Drawer (SP)
========================================= */
.drawer {
  position: fixed;
  top: var(--header-h-sp);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background: #fff;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}
.drawer.is-open { transform: translateX(0); }
.drawer__nav { padding: 24px; }
.drawer__list { display: flex; flex-direction: column; gap: 4px; }
.drawer__list a {
  display: block;
  padding: 16px 0;
  font-size: 1.6rem;
  font-weight: 500;
  border-bottom: 1px solid var(--c-border);
}
.drawer__cta {
  margin-top: 16px;
  padding: 16px 24px !important;
  background: var(--c-main);
  color: #fff;
  text-align: center;
  border-radius: 999px;
  border: 0 !important;
}

/* =========================================
   Hero
========================================= */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(100vh - var(--header-h));
  padding: 80px 0;
  background: #051E54;
  color: #fff;
  overflow: hidden;
}
.hero__bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(5,30,84,0.85) 0%, rgba(11,61,145,0.7) 50%, rgba(21,94,142,0.55) 100%);
  z-index: 1;
}
.hero__inner {
  position: relative;
  z-index: 2;
  width: 92%;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.hero__content { text-align: center; }
.hero__eyebrow {
  display: block;
  margin: 0 0 36px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(2.0rem, 2.8vw, 2.8rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}
.hero__eyebrow-tagline {
  display: block;
  margin-top: 10px;
  font-size: 0.55em;
  font-weight: 500;
  color: var(--c-accent);
  letter-spacing: 0.12em;
  text-shadow: 0 2px 12px rgba(25, 181, 176, 0.35);
}
.hero__title {
  font-size: clamp(3.2rem, 6vw, 6.4rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.025em;
  margin: 0 0 28px;
}
.hero__title-accent { color: var(--c-accent); }
.hero__lead {
  font-size: 1.6rem;
  line-height: 2;
  color: rgba(255,255,255,0.85);
  margin: 0 0 16px;
}
.hero__lead--sub {
  font-size: 1.4rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
}
.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}


@media (max-width: 768px) {
  .hero { padding: 60px 0; min-height: calc(100vh - var(--header-h-sp)); }
  .hero__title { font-size: 3.4rem; }
  .hero__lead { font-size: 1.5rem; }
  .hero__cta { flex-direction: column; gap: 14px; }
  .btn { width: 100%; max-width: 320px; }
}

/* =========================================
   Intro
========================================= */
.intro__lead {
  text-align: center;
  font-size: 1.6rem;
  color: var(--c-text-sub);
  margin: 0 auto 24px;
  max-width: 760px;
  line-height: 2;
}
.intro__lead--sub {
  font-size: 1.4rem;
  margin: 0 auto 56px;
}
.intro__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.intro__card {
  padding: 36px 28px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  text-align: center;
}
.intro__card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  color: var(--c-accent);
}
.intro__card-icon svg { width: 100%; height: 100%; }
.intro__card-title { font-size: 1.9rem; color: var(--c-main); margin: 0 0 12px; }
.intro__card-text { font-size: 1.4rem; color: var(--c-text-sub); line-height: 1.9; }

@media (max-width: 768px) {
  .intro__cards { grid-template-columns: 1fr; gap: 16px; }
}

/* =========================================
   Problems
========================================= */
.problems__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.problems__card {
  position: relative;
  padding: 36px 32px 36px 36px;
  background: #fff;
  border-radius: 16px;
  border-left: 4px solid var(--c-accent);
  box-shadow: var(--shadow-card);
}
.problems__card-num {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--c-accent);
  margin-bottom: 12px;
}
.problems__card-title { font-size: 1.8rem; color: var(--c-main); margin: 0 0 12px; }
.problems__card-text { font-size: 1.4rem; color: var(--c-text-sub); line-height: 1.9; }

@media (max-width: 768px) {
  .problems__cards { grid-template-columns: 1fr; gap: 16px; }
}

/* =========================================
   Solutions
========================================= */
.solutions__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.solutions__card {
  display: flex;
  flex-direction: column;
  padding: 0;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  overflow: hidden;
}
.solutions__card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #F4F6F8;
  overflow: hidden;
}
.solutions__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.solutions__card-body {
  padding: 32px 28px;
}
.solutions__card-tag {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 16px;
  font-family: "Inter", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #fff;
  background: var(--c-main);
  border-radius: 999px;
}
.solutions__card-title { font-size: 2.1rem; color: var(--c-main); margin: 0 0 16px; }
.solutions__card-text { font-size: 1.5rem; color: var(--c-text-sub); line-height: 1.9; margin: 0 0 20px; }
.solutions__card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.solutions__card-tags li {
  padding: 4px 12px;
  font-size: 1.2rem;
  color: var(--c-accent);
  background: rgba(25, 181, 176, 0.1);
  border-radius: 4px;
}

@media (max-width: 768px) {
  .solutions__grid { grid-template-columns: 1fr; gap: 18px; }
}

/* =========================================
   Technology
========================================= */
.technology__diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 12px;
}
.technology__step {
  padding: 32px 24px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  text-align: center;
}
.technology__step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  color: var(--c-main);
  background: linear-gradient(135deg, rgba(11,61,145,0.08), rgba(25,181,176,0.08));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.technology__step-icon svg { width: 60%; height: 60%; }
.technology__step-title { font-size: 1.6rem; color: var(--c-main); margin: 0 0 12px; }
.technology__step-text { font-size: 1.4rem; color: var(--c-text-sub); line-height: 1.9; text-align: left; }
.technology__arrow {
  align-self: center;
  font-size: 2.4rem;
  color: var(--c-accent);
  font-weight: 700;
}
.technology__note {
  margin-top: 28px;
  text-align: center;
  font-size: 1.3rem;
  color: var(--c-text-sub);
}

@media (max-width: 1024px) {
  .technology__diagram {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .technology__arrow {
    transform: rotate(90deg);
    justify-self: center;
  }
}

/* =========================================
   Strengths
========================================= */
.strengths__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.strengths__card {
  padding: 36px 24px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
}
.strengths__card-num {
  font-family: "Inter", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--c-accent);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
}
.strengths__card-title { font-size: 1.7rem; color: var(--c-main); margin: 0 0 12px; line-height: 1.5; }
.strengths__card-text { font-size: 1.3rem; color: var(--c-text-sub); line-height: 1.9; text-align: left; }

@media (max-width: 1024px) {
  .strengths__grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 480px) {
  .strengths__grid { grid-template-columns: 1fr; }
}

/* =========================================
   Industries
========================================= */
.industries__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}
.industries__card {
  padding: 28px 16px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
}
.industries__card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  color: var(--c-main);
}
.industries__card-icon svg { width: 100%; height: 100%; }
.industries__card-title { font-size: 1.5rem; color: var(--c-main); margin: 0 0 8px; }
.industries__card-text { font-size: 1.2rem; color: var(--c-text-sub); line-height: 1.7; }

.industries__logos {
  padding: 36px 28px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--c-border);
}
.industries__logos-label {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-main);
  margin: 0 0 24px;
}
.industries__logos-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.industries__logo-box {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  background: var(--c-bg-alt);
  border: 1px dashed var(--c-border);
  border-radius: 8px;
  font-size: 1.2rem;
  color: var(--c-text-sub);
}
.industries__logos-note {
  text-align: center;
  font-size: 1.2rem;
  color: var(--c-text-sub);
  margin-top: 16px;
}

@media (max-width: 1024px) {
  .industries__grid { grid-template-columns: repeat(3, 1fr); }
  .industries__logos-list { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .industries__grid { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 480px) {
  .industries__logos-list { grid-template-columns: repeat(2, 1fr); }
}

/* =========================================
   Cases
========================================= */
.cases__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cases__card {
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
}
.cases__card-tag {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 16px;
  font-family: "Inter", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-accent);
  background: rgba(25, 181, 176, 0.1);
  border-radius: 999px;
}
.cases__card-title { font-size: 1.7rem; color: var(--c-main); margin: 0 0 20px; }
.cases__card-numbers {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  padding: 20px;
  margin: 0 0 20px;
  background: var(--c-bg-alt);
  border-radius: 12px;
}
.cases__card-before, .cases__card-after {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.cases__card-label {
  font-family: "Inter", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-text-sub);
}
.cases__card-before .cases__card-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--c-text-sub);
}
.cases__card-after .cases__card-value {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--c-accent);
}
.cases__card-arrow {
  font-size: 1.8rem;
  color: var(--c-main);
}
.cases__card-text {
  font-size: 1.3rem;
  color: var(--c-text-sub);
  line-height: 1.9;
}

@media (max-width: 1024px) {
  .cases__grid { grid-template-columns: 1fr; gap: 18px; }
}

/* =========================================
   Flow
========================================= */
.flow__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: flow;
}
.flow__item {
  position: relative;
  padding: 36px 24px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
}
.flow__item-step {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 16px;
  font-family: "Inter", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #fff;
  background: var(--c-main);
  border-radius: 999px;
}
.flow__item-title { font-size: 1.7rem; color: var(--c-main); margin: 0 0 12px; }
.flow__item-text { font-size: 1.3rem; color: var(--c-text-sub); line-height: 1.9; }

@media (max-width: 1024px) {
  .flow__list { grid-template-columns: repeat(2, 1fr); gap: 18px; }
}
@media (max-width: 480px) {
  .flow__list { grid-template-columns: 1fr; }
}

/* =========================================
   FAQ
========================================= */
.faq__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq__item {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}
.faq__item:hover { box-shadow: var(--shadow-card); }
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 22px 24px;
  text-align: left;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-main);
  cursor: pointer;
}
.faq__q:hover { background: var(--c-bg-alt); }
.faq__q-text { flex: 1; line-height: 1.6; }
.faq__q-icon {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}
.faq__q-icon::before,
.faq__q-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: var(--c-accent);
  transform: translate(-50%, -50%);
  transition: transform 0.3s cubic-bezier(.2,.7,.2,1);
}
.faq__q-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.faq__q[aria-expanded="true"] .faq__q-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq__a-inner {
  padding: 0 24px 22px;
  font-size: 1.4rem;
  line-height: 1.9;
  color: var(--c-text-sub);
}

/* =========================================
   Resources
========================================= */
.resources__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.resources__card {
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.resources__card:hover {
  border-color: var(--c-main);
  background: #FAFBFC;
  opacity: 1;
}
.resources__card-icon {
  width: 56px;
  height: 56px;
  margin: 0 0 20px;
  color: var(--c-accent);
}
.resources__card-icon svg { width: 100%; height: 100%; }
.resources__card-title { font-size: 1.8rem; color: var(--c-main); margin: 0 0 12px; }
.resources__card-text { font-size: 1.4rem; color: var(--c-text-sub); line-height: 1.9; margin: 0 0 20px; flex: 1; }
.resources__card-cta {
  display: inline-block;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-accent);
}

@media (max-width: 768px) {
  .resources__grid { grid-template-columns: 1fr; gap: 16px; }
}

/* =========================================
   Contact
========================================= */
.contact__tabs {
  display: flex;
  gap: 0;
  margin-bottom: 32px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  overflow: hidden;
}
.contact__tab {
  flex: 1;
  padding: 16px 12px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-text-sub);
  text-align: center;
  cursor: pointer;
  transition: background 0.25s ease, color 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.contact__tab:hover { background: var(--c-bg-alt); color: var(--c-main); }
.contact__tab.is-active {
  background: var(--c-main);
  color: #fff;
}
.contact__tab.is-active:hover {
  background: var(--c-main-dark);
  color: #fff;
}

.contact__form {
  padding: 40px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
}
.contact__form-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  align-items: start;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-border);
}
.contact__form-row:last-of-type { border-bottom: 0; }
.contact__form-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--c-main);
  padding-top: 12px;
}
.contact__form-required {
  display: inline-block;
  padding: 2px 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  background: var(--c-accent);
  border-radius: 4px;
}
.contact__form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 1.5rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.contact__form-input:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(25,181,176,0.18);
}
.contact__form-input--textarea {
  resize: vertical;
  min-height: 140px;
  font-family: inherit;
}
.contact__form-submit {
  margin-top: 32px;
  text-align: center;
}
.contact__form-note {
  margin-top: 16px;
  font-size: 1.2rem;
  color: var(--c-text-sub);
}

@media (max-width: 768px) {
  .contact__tabs { flex-direction: column; }
  .contact__tab { padding: 14px; border-bottom: 1px solid var(--c-border); }
  .contact__tab:last-child { border-bottom: 0; }
  .contact__form { padding: 24px; }
  .contact__form-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 0;
  }
  .contact__form-label { padding-top: 0; }
}

/* =========================================
   Footer
========================================= */
.footer {
  background: linear-gradient(180deg, #0B3D91 0%, #051E54 100%);
  color: rgba(255,255,255,0.8);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 0 32px;
}
.footer__col-title {
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.18);
}
.footer__col-title--gap { margin-top: 28px; }
.footer__list { display: flex; flex-direction: column; gap: 10px; }
.footer__list li { font-size: 1.3rem; line-height: 1.7; }
.footer__list a { color: rgba(255,255,255,0.8); }
.footer__list a:hover { color: var(--c-accent); opacity: 1; }
.footer__logo { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer__logo:hover { opacity: 1; }
.footer__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #fff, var(--c-accent));
  color: var(--c-main);
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  border-radius: 10px;
}
.footer__logo-text {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: #fff;
}
.footer__brand-text { font-size: 1.3rem; line-height: 1.9; }
.footer__placeholder {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  font-size: 1rem;
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.7);
  border-radius: 4px;
}
.footer__sns {
  display: flex;
  gap: 12px;
}
.footer__sns-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  border-radius: 50%;
  transition: background 0.2s ease;
}
.footer__sns-link:hover { background: var(--c-accent); opacity: 1; }
.footer__copyright {
  padding: 20px 0;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.18);
  font-size: 1.2rem;
  color: rgba(255,255,255,0.6);
}

@media (max-width: 1024px) {
  .footer__inner { grid-template-columns: repeat(2, 1fr); gap: 32px; padding-top: 48px; }
}
@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
}

/* =========================================
   CTA Strip
========================================= */
.cta-strip {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, #051E54 0%, #0B3D91 55%, #19B5B0 130%);
  color: #fff;
}
.cta-strip--alt {
  background: linear-gradient(135deg, #19B5B0 -20%, #0B3D91 35%, #051E54 100%);
}
.cta-strip__inner {
  position: relative;
  z-index: 1;
  width: 92%;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}
.cta-strip__eyebrow {
  display: inline-block;
  padding: 6px 16px;
  margin: 0 0 20px;
  font-family: "Inter", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--c-accent);
  background: rgba(255,255,255,0.06);
}
.cta-strip__title {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  line-height: 1.5;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.cta-strip__lead {
  font-size: 1.5rem;
  line-height: 2;
  color: rgba(255,255,255,0.85);
  margin: 0 0 36px;
}
.cta-strip__buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 768px) {
  .cta-strip { padding: 56px 0; }
  .cta-strip__title { font-size: 2.2rem; }
  .cta-strip__lead { font-size: 1.4rem; margin: 0 0 28px; }
  .cta-strip__buttons { flex-direction: column; gap: 12px; }
  .cta-strip__buttons .btn { width: 100%; max-width: 320px; }
}

/* =========================================
   Back to Top
========================================= */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--c-main);
  color: #fff;
  font-size: 1.4rem;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(11,61,145,0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s linear 0.3s, background 0.2s ease;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s, background 0.2s ease;
}
.back-to-top:hover { background: var(--c-accent); opacity: 1; }

@media (max-width: 768px) {
  .back-to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
}

/* =========================================
   Section padding (SP adjustment)
========================================= */
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header__ja { font-size: 2.4rem; }
  .section-header__lead { font-size: 1.4rem; }
}

/* =========================================
   Scroll reveal animation
========================================= */
.js-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .js-reveal { opacity: 1; transform: none; }
}