/* =============================================
   片桐建設 移住プロジェクトLP — style.css
   BEM methodology / Mobile-first
   ============================================= */

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
a { text-decoration: none; }
button { cursor: pointer; border: none; background: none; }

/* ---- CSS Variables ---- */
:root {
  /* Colors */
  --color-bg:           #faf9f6;
  --color-bg-light:     #ffffff;
  --color-bg-section:   #f5f3ee;
  --color-bg-dark:      #2a2d24;
  --color-primary:      #3d5a3e;    /* 深緑 */
  --color-primary-light:#5a7a5b;
  --color-primary-dark: #2a3f2b;
  --color-accent:       #8b6f4e;    /* 温かいブラウン */
  --color-text:         #2c2c2c;
  --color-text-mid:     #5a5a5a;
  --color-text-light:   #888888;
  --color-text-white:   #ffffff;
  --color-border:       #e0dbd3;
  --color-label:        #8b6f4e;

  /* Typography */
  --font-serif:    'Noto Serif JP', 'Georgia', serif;
  --font-sans:     "Zen Kaku Gothic New", 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en:       "Poppins", 'Georgia', sans-serif;
  --font-logo:     "Jost", sans-serif;

  /* Spacing */
  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   6rem;
  --space-2xl:  8rem;

  /* Container */
  --container-max: 1160px;
  --container-pad: 1.25rem;

  /* Transitions */
  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
}

/* ---- Base ---- */
body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* ---- Utilities ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section-label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-label);
  text-transform: uppercase;
  margin-bottom: 0.875rem;
}

.section-label--light {
  color: rgba(255,255,255,0.65);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: var(--radius-sm);
  padding: 0.875rem 2rem;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-base),
              box-shadow var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border: 1px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-white);
  border: 1px solid rgba(255,255,255,0.55);
}

.btn--ghost:hover {
  background-color: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.9);
}

.btn--lg {
  font-size: 0.9375rem;
  padding: 1.0625rem 2.25rem;
}

.btn--support,
.btn--flow,
.btn--staff  {
    font-size: 1.25rem;
}

.btn--contact {
  background-color: var(--color-text-white);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-text-white);
  font-size: 1.25rem;
  font-weight: 500;
  padding: 1.1875rem 2.75rem;
  letter-spacing: 0.08em;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
}

.btn--contact:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

/* ---- Scroll Animation ---- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background-color var(--transition-base), box-shadow var(--transition-base), padding var(--transition-base);
}

.header--scrolled {
  background-color: rgba(250, 249, 246, 0.97);
  box-shadow: 0 1px 0 var(--color-border);
  padding: 0.875rem 0;
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header__logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
  flex-shrink: 0;
	gap: 0.25em;
	position: relative;
	padding-left: 1.5rem
}

.header__logo::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: .8689rem;
    height: 3.9412rem;
    background: #d51e24;
    -webkit-clip-path: url(#icon-path);
    clip-path: url(#icon-path);
	transform: scale(0.8);
}

.logo_m_svg {
	position: absolute;
}

.header__logo > a {
	display: flex;
    flex-direction: column;
    line-height: 1.1;
    text-decoration: none;
    flex-shrink: 0;
}

.header__logo-name {
  font-family: var(--font-logo);
  font-size: 1.2625rem;
  font-weight: 600;
  color: var(--color-text-white);
  letter-spacing: 0.08em;
  transition: color var(--transition-base);
}

.header--scrolled .header__logo-name {
	color: var(--color-primary-dark);
}

.header__logo-en {
  font-family: var(--font-logo);
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--color-text-white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header--scrolled .header__logo-en {
	color: var(--color-text-light);
}

.header__logo-sub {
  font-family: var(--font-sans);
  font-size: 1.025rem;
  font-weight: 500;
  color: var(--color-text-white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header--scrolled .header__logo-sub {
	color: var(--color-text-light);
}

.header__nav {
  display: none;
  margin-left: auto;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.header__nav-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-white);
  letter-spacing: 0.04em;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.header__nav-link:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.header--scrolled .header__nav-link {
	color: var(--color-text-mid);
}

.header__cta-btn {
  display: none;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.625rem 1.25rem;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.header__cta-btn:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.header__cta-icon {
  width: 30px;
}

.header__menu-toggle {
  margin-left: auto;
  width: 32px;
  height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.header__menu-toggle span {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.header--menu-open .header__menu-toggle span:nth-child(1) {
  transform: translateY(11.5px) rotate(45deg);
}
.header--menu-open .header__menu-toggle span:nth-child(2) {
  opacity: 0;
}
.header--menu-open .header__menu-toggle span:nth-child(3) {
  transform: translateY(-11.5px) rotate(-45deg);
}

.header__mobile-nav {
  display: none;
  background-color: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
  padding: 0.5rem 0 1.5rem;
}

.header--menu-open .header__mobile-nav {
  display: block;
}

.header--menu-open {
  background-color: rgba(250, 249, 246, 0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.header__mobile-nav-list {
  padding: 0 var(--container-pad);
}

.header__mobile-nav-link {
  display: block;
  font-size: 0.9375rem;
  color: var(--color-text-mid);
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.04em;
}

.header__mobile-nav-link--cta {
  margin-top: 1rem;
  display: inline-flex;
  border-bottom: none;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  height: 100svh;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
  transform: scale(1.03);
  animation: hero-zoom 12s ease-out forwards;
}

@keyframes hero-zoom {
  from { transform: scale(1.08); }
  to   { transform: scale(1.0); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(20, 30, 20, 0.28) 0%,
    rgba(20, 30, 20, 0.52) 60%,
    rgba(20, 30, 20, 0.70) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  padding-top: 5rem;
  animation: hero-fade-in 1.2s ease-out 0.2s both;
}

@keyframes hero-fade-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.8);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 0.375rem 0.875rem;
}

.hero__title {
  font-family: var(--font-sans);
  font-size: clamp(2.5rem, 4vw, 4.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text-white);
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
  position: relative;
}

.hero__sub {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.06em;
  margin-bottom: 2.5rem;
  max-width: 480px;
}

.hero__sub-br { display: none; }

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.6);
  animation: hero-fade-in 1.4s ease 1s both;
}

.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), rgba(255,255,255,0));
  animation: scroll-line 1.8s ease-in-out infinite;
}

@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; }
}

/* =============================================
   MERIT
   ============================================= */
.merit {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-light);
}

.merit__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.merit__title {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.merit__desc {
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--color-text-mid);
  max-width: 520px;
}

.merit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.merit__item {
  display: flex;
  flex-direction: column;
}

.merit__item-img-wrap {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
}

.merit__item-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.merit__item:hover .merit__item-img {
  transform: scale(1.04);
}

.merit__item-title {
  font-family: var(--font-sans);
  font-size: 1.3625rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 0.625rem;
}

.merit__item-text {
  font-size: 0.875rem;
	text-align: justify;
  line-height: 1.85;
  color: var(--color-text-mid);
}

/* =============================================
   ABOUT
   ============================================= */
.about {
  padding: var(--space-xl) 0 var(--space-xl);
  background-color: var(--color-bg-section);
	position: relative;
}

.about__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
	position: relative;
	z-index: 3;
}

.about__title {
  font-family: var(--font-sans);
  font-size: clamp(1.625rem, 3.5vw, 2.375rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
}

.about__lead {
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--color-text-mid);
  margin-bottom: 1.75rem;
}

.about__points {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.75rem;
}

.about__point {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.1375rem;
  font-weight: 600;
  color: var(--color-text);
	line-height: 1.6;
}

.about__point-icon {
  color: var(--color-primary);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.about__text {
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--color-text-mid);
	margin-bottom: 2rem;
}

.about__text-block {
  position: relative;
  z-index: 3;
}

.about__image-block {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.about__image-main,
.about__image-sub {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.about__image-main {
/*  aspect-ratio: 4 / 3;*/
}

.about__image-sub {
/*  aspect-ratio: 16 / 9;*/
}

.about__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.about__image-main:hover .about__img,
.about__image-sub:hover .about__img {
  transform: scale(1.04);
}

/* =============================================
   SUPPORT
   ============================================= */
.support {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-light);
}

.support__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.support__title {
  font-family: var(--font-sans);
  font-size: clamp(1.625rem, 3.5vw, 2.375rem);
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}

.support__desc {
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--color-text-mid);
}

.support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: var(--space-lg);
}

.support__card {
  position: relative;
  padding: 2rem 1.5rem;
  background-color: var(--color-bg-section);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
	text-align: center;
}

.support__card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-primary-light);
}

.support__card--featured {
  background-color: #f0f5f0;
  border-color: var(--color-primary-light);
}

.support__card-badge {
  position: absolute;
  top: -0.75rem;
  left: 1.5rem;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
}

.support__card-icon {
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.support__card-title {
  font-family: var(--font-sans);
  font-size: 1.325rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 0.375rem;
  line-height: 1.5;
}

.support__card-area {
  display: inline-block;
  font-size: 0.6875rem;
  color: var(--color-accent);
  background-color: rgba(139, 111, 78, 0.1);
  padding: 0.1875rem 0.625rem;
  border-radius: 100px;
  letter-spacing: 0.06em;
  margin-bottom: 0.975rem;
}

.support__card-text {
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--color-text-mid);
	text-align: justify;
}

.support__card-note {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.support__card-note li {
  font-size: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.6;
	text-align: left;
}

.support__cta {
  text-align: center;
}

/* =============================================
   INA
   ============================================= */
.ina {
  position: relative;
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.ina__bg {
  position: absolute;
  inset: 0;
}

.ina__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ina__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(20, 35, 22, 0.82) 0%,
    rgba(20, 35, 22, 0.68) 100%
  );
}

.ina__inner {
  position: relative;
  z-index: 2;
}

.ina__title {
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text-white);
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.ina__desc {
  font-size: 0.9375rem;
  line-height: 2;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2.5rem;
  max-width: 540px;
}

.ina__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.ina__card {
  background-color: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.ina__card:hover {
  background-color: rgba(255,255,255,0.16);
  transform: translateY(-3px);
}

.ina__card-img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.ina__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.ina__card:hover .ina__card-img {
  transform: scale(1.05);
}

.ina__card-body {
  padding: 1.5rem 1.5rem 1.85rem;
}

.ina__card-tag {
  display: inline-block;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.2rem 0.625rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

.ina__card-title {
  font-family: var(--font-sans);
  font-size: 1.325rem;
  font-weight: 500;
  color: var(--color-text-white);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.ina__card-text {
  font-size: 0.875rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.75);
}

.ina__youtube {
  display: flex;
  justify-content: flex-start;
}

.ina__youtube-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255,255,255,0.9);
  font-size: 0.975rem;
	font-weight: 500;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(255,255,255,0.5);
  padding-bottom: 7px;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.ina__youtube-link:hover {
  color: var(--color-text-white);
  border-color: rgba(255,255,255,0.8);
}

.ina__youtube-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: rgba(255,255,255,0.15);
  border-radius: 50%;
  font-size: 0.75rem;
  transition: background-color var(--transition-base);
	padding-left: 3px;
}

.ina__youtube-link:hover .ina__youtube-icon {
  background-color: rgba(255,255,255,0.25);
}

/* =============================================
   FLOW
   ============================================= */
.flow {
  padding: var(--space-xl) 0 var(--space-sm);
  background-color: var(--color-bg-section);
  position: relative;
}

.flow__inner {
  padding-bottom: clamp(80px, 10vw, 130px);
}

.flow__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.flow__title {
  font-family: var(--font-sans);
  font-size: clamp(1.625rem, 3.5vw, 2.375rem);
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 0.875rem;
}

.flow__desc {
  font-size: 0.9375rem;
  color: var(--color-text-mid);
}

.flow__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: 0 auto var(--space-lg);
  counter-reset: flow-step;
}

.flow__step {
  display: flex;
  gap: 1.5rem;
  padding-bottom: 2.5rem;
  position: relative;
}

.flow__step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 24px;
  top: 48px;
  width: 1px;
  height: calc(100% - 48px);
  background: linear-gradient(to bottom, var(--color-primary-light), var(--color-border));
}

.flow__step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  flex-shrink: 0;
}

.flow__step-num span {
  font-family: var(--font-en);
  font-size: 1.2125rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.flow__step-body {
  padding-top: 0.25rem;
  flex: 1;
}

.flow__step-title {
  font-family: var(--font-sans);
  font-size: 1.325rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 0.625rem;
}

.flow__step-text {
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--color-text-mid);
}

.flow__cta {
  text-align: center;
}

.flow__cta-note {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

.flow__wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
  overflow: hidden;
}

.flow__wave svg {
  display: block;
  width: 100%;
  height: clamp(60px, 9vw, 110px);
}

/* =============================================
   VOICE
   ============================================= */
.voice {
  padding: var(--space-lg) 0  var(--space-xl);
  background-color: var(--color-bg-light);
	position: relative;
}

.voice__inner {
  padding-bottom: clamp(60px, 10vw, 80px);
}

.voice__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.voice__title {
  font-family: var(--font-sans);
  font-size: clamp(1.625rem, 3.5vw, 2.375rem);
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.voice__note {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.voice__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.voice__card {
  padding: 2rem 1.75rem;
  background-color: var(--color-bg-section);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  position: relative;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.voice__card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.voice__card-text {
  font-family: var(--font-sans);
  font-size: 1.2375rem;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.voice__card-footer {
  text-align: right;
}

.voice__card-author {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  font-style: normal;
  letter-spacing: 0.06em;
}

.voice__wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  line-height: 0;
  overflow: hidden;
}

.voice__wave svg {
  display: block;
  width: 100%;
  height: clamp(60px, 9vw, 110px);
}

/* =============================================
   FAQ
   ============================================= */
.faq {
  padding: var(--space-lg) 0 var(--space-xl);
  background-color: var(--color-bg-section);
}

.faq__header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.faq__title {
  font-family: var(--font-sans);
  font-size: clamp(1.625rem, 3.5vw, 2.375rem);
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
}

.faq__list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  width: 100%;
}

.faq__question-btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.375rem 0;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-base);
}

.faq__question-btn:hover {
  color: var(--color-primary);
}

.faq__q-mark {
  font-family: var(--font-en);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: -1px;
  width: 24px;
}

.faq__question-text {
  font-size: 1.2375rem;
	font-weight: 500;
  color: inherit;
  flex: 1;
  letter-spacing: 0.03em;
  line-height: 1.7;
}

.faq__toggle {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  position: relative;
}

.faq__toggle::before,
.faq__toggle::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.faq__toggle::before {
  width: 12px;
  height: 1px;
}

.faq__toggle::after {
  width: 1px;
  height: 12px;
}

.faq__question-btn[aria-expanded="true"] .faq__toggle::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq__answer {
  padding: 0 2.5rem 1.375rem 2.5rem;
}

.faq__answer p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-mid);
}

/* =============================================
   STAFF
   ============================================= */
.staff {
  padding: var(--space-xl) 0;
  background-color: var(--color-bg-light);
}

.staff__inner {
  max-width: 940px;
}

.staff__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.staff__image-wrap {
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
  max-width: 400px;
}

.staff__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.staff__title {
  font-family: var(--font-sans);
  font-size: clamp(1.375rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-primary-dark);
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
}

.staff__text {
  font-size: 0.9375rem;
  line-height: 2.1;
  color: var(--color-text-mid);
  margin-bottom: 2rem;
}

.staff__contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.cta--staff {
  width: 40px;
}

.staff__mail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-mid);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1px;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.staff__mail-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* =============================================
   CONTACT CTA
   ============================================= */
.contact {
  position: relative;
  padding: var(--space-2xl) 0;
  overflow: hidden;
}

.contact__bg {
  position: absolute;
  inset: 0;
}

.contact__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.contact__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(20, 35, 22, 0.72) 0%,
    rgba(20, 35, 22, 0.62) 100%
  );
}

.contact__inner {
  position: relative;
  z-index: 2;
  text-align: center;
}

.contact__title {
  font-family: var(--font-sans);
  font-size: clamp(1.75rem, 4.5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text-white);
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.contact__desc {
  font-size: 0.9375rem;
  line-height: 2;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2.5rem;
}

.contact__sub {
  font-family: var(--font-en);
  font-size: 1.65rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.8);
  margin-top: 1.25rem;
  text-transform: uppercase;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background-color: var(--color-bg-dark);
  padding: 3.5rem 0 2rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer__logo {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-white);
  letter-spacing: 0.1em;
  margin-bottom: 0.375rem;
}

.footer__tagline {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.4);
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.footer__nav-link {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
  transition: color var(--transition-base);
}

.footer__nav-link:hover {
  color: rgba(255,255,255,0.85);
}

.footer__copy {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
}

.footer__copy small {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.06em;
}

/* =============================================
   RESPONSIVE — Tablet (768px+)
   ============================================= */
@media (min-width: 768px) {
  :root {
    --container-pad: 2rem;
  }

  .hero__sub-br { display: inline; }

  .hero__actions {
    flex-direction: row;
    align-items: center;
  }

  .merit__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .merit__inner {
    gap: var(--space-lg);
  }

  .about__inner {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-lg);
  }

  .about__text-block {
    flex: 1.3;
  }

  .about__image-block {
    flex: 1;
    grid-template-columns: 1fr;
  }

  .support__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ina__cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .voice__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .staff__content {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .staff__image-wrap {
    width: 320px;
    flex-shrink: 0;
    aspect-ratio: 3 / 4;
  }

  .staff__contact {
    flex-direction: row;
    align-items: flex-end;
  }

  .footer__inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2.5rem;
  }

  .footer__copy {
    width: 100%;
  }
}

/* =============================================
   RESPONSIVE — Desktop (1024px+)
   ============================================= */
@media (min-width: 1024px) {
  :root {
    --container-pad: 2.5rem;
    --space-xl: 7rem;
    --space-2xl: 10rem;
  }

  .header__nav {
    display: block;
  }

  .header__cta-btn {
    display: inline-flex;
  }

  .header__menu-toggle {
    display: none;
  }

  .header__mobile-nav {
    display: none !important;
  }

  .merit__lead {
    max-width: 520px;
  }

  .support__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.0rem;
  }

  .about__image-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    flex-shrink: 0;
    width: 42%;
  }

  .about__image-main {
/*    aspect-ratio: 4 / 3;*/
  }

  .about__image-sub {
/*    aspect-ratio: 16 / 12;*/
	  margin-left: 2rem;
  }
}

/* =============================================
   RESPONSIVE — Large Desktop (1200px+)
   ============================================= */
@media (min-width: 1200px) {
  .support__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .merit__inner {
    flex-direction: row;
    align-items: flex-start;
  }

  .merit__lead {
    width: 380px;
    flex-shrink: 0;
  }

  .merit__grid {
    flex: 1;
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =============================================
   REDUCED MOTION
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  .hero__bg-img {
    transform: none;
  }
}



/* =============================================
   ILLUSTRATIONS — 人物イラスト装飾
   ============================================= */

/* 共通：pointer-events除外、ユーザー選択不可 */
.illust {
  position: absolute;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  z-index: 3;
}

/* ---- Merit イラスト ---- */
.merit {
  position: relative;
}

.illust--merit-left {
  bottom: -50px;
  left: -10px;
  height: clamp(100px, 14vw, 190px);
  width: auto;
}

.illust--merit-right {
  top: 2.4rem;
  right: -8px;
  height: clamp(90px, 11vw, 150px);
  width: auto;
}

/* ---- About イラスト ---- */
.about {
  position: relative;
  overflow: hidden;
}

.illust--about-bottom {
  bottom: 0;
  right: 5%;
  height: clamp(110px, 15vw, 200px);
  width: auto;
}

/* ---- Support イラスト ---- */
.support {
  position: relative;
  overflow: hidden;
}

.illust--support-right {
  top: 12%;
  right: -8px;
  height: clamp(120px, 16vw, 210px);
  width: auto;
}

/* ---- Flow イラスト ---- */
.flow {
  position: relative;
  overflow: hidden;
}

.illust--flow-left {
  bottom: 8rem;
  left: -10px;
  height: clamp(120px, 16vw, 200px);
  width: auto;
}

/* ---- FAQ イラスト ---- */
.faq {
  position: relative;
  overflow: hidden;
}

.illust--faq-right {
  top: 16%;
  right: -8px;
  height: clamp(90px, 12vw, 150px);
  width: auto;
}