@charset "UTF-8";
:root {
  /* Typography */
  --font-family-base: "Mulish", "Noto Sans JP", sans-serif;
  --font-family-en: "Mulish", sans-serif;
  --font-size-xs: clamp(0.6875rem, 0.65rem + 0.12vw, 0.75rem);
  --font-size-sm: clamp(0.75rem, 0.7rem + 0.16vw, 0.8125rem);
  --font-size-md: clamp(0.8125rem, 0.76rem + 0.18vw, 0.875rem);
  --font-size-base: clamp(0.875rem, 0.82rem + 0.2vw, 0.9375rem);
  --font-size-lg: clamp(0.9375rem, 0.88rem + 0.2vw, 1rem);
  --font-size-xl: clamp(1rem, 0.94rem + 0.2vw, 1.0625rem);
  --font-size-2xl: clamp(1.0625rem, 0.98rem + 0.28vw, 1.125rem);
  --font-size-3xl: clamp(1.125rem, 1.02rem + 0.35vw, 1.25rem);
  --font-size-4xl: clamp(1.25rem, 1.1rem + 0.5vw, 1.375rem);
  --font-size-5xl: clamp(1.375rem, 1.18rem + 0.65vw, 1.5rem);
  --header-height: 88px;
  --container-max-width: 1440px;
  --container-horizontal-space: 48px;
  /* Colors */
  --color-white: #fff;
  --color-neutral-600: #666;
  --black: #071d25;
  --green: #04bf8a;
  --green-dark: #026874;
  --green-bright: #3ff3bd;
  --green-btn: #04a777;
  --green-btn-hover: #028b6a;
  --green-light: #def8f0;
  --gold: #b8ef54;
  --gold-text: #4f7b1c;
  --gold-light: #effbdc;
  --gray: #66747a;
  --text-sub: #52646a;
  --paper: #f2f7f7;
  --light: #e7f1f2;
  --border: #d7e4e5;
  --hairline: rgba(2, 64, 89, 0.12);
  /* Shape and elevation */
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 10px 30px rgba(2, 64, 89, 0.08);
  --shadow-md: 0 18px 48px rgba(2, 64, 89, 0.14);
  --shadow-lg: 0 32px 80px rgba(1, 39, 55, 0.24);
  --ease: cubic-bezier(0.16, 0.8, 0.24, 1);
}

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

.site-header {
  position: absolute;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  color: var(--color-white);
  transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-fixed {
  position: fixed;
  background: rgba(1, 47, 59, 0.96);
  box-shadow: 0 10px 30px rgba(1, 27, 36, 0.2);
  backdrop-filter: blur(14px);
  animation: header-slide-in 0.35s var(--ease);
}

.site-header.is-nav-open {
  position: fixed;
  background: rgba(1, 47, 59, 0.98);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  width: min(var(--container-max-width), 100% - var(--container-horizontal-space));
  height: 100%;
  margin: auto;
}

.site-header__logo {
  display: block;
  width: clamp(180px, 15vw, 240px);
  flex-shrink: 0;
}

.site-header__logo img {
  width: 100%;
  height: auto;
}

.site-header__panel {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  min-width: 0;
  margin-left: auto;
}

.site-header__nav ul {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.3vw, 24px);
}

.site-header__nav a {
  position: relative;
  display: block;
  padding: 12px 0;
  font-size: var(--font-size-sm);
  font-weight: 700;
  line-height: 1.4;
  white-space: nowrap;
}

.site-header__nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 1px;
  background: var(--green-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}

.site-header__nav a:hover::after,
.site-header__nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-header__phone {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
  white-space: nowrap;
  transition: color 0.3s var(--ease);
}

.site-header__phone:hover,
.site-header__phone:focus-visible {
  color: var(--green-bright);
}

.site-header__phone-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-family-en);
  font-size: clamp(12px, 1vw, 14px);
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1;
}

.site-header__phone-hours {
  font-family: var(--font-family-base);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.site-header__phone-number {
  margin-top: 4px;
  font-family: var(--font-family-en);
  font-size: clamp(18px, 1.7vw, 24px);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
}

.site-header__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 800;
  white-space: nowrap;
  transition: color 0.3s var(--ease), background-color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.site-header__action--document {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.site-header__action--consultation {
  border-color: var(--green);
  background: var(--green);
}

.site-header__action:hover,
.site-header__action:focus-visible {
  border-color: var(--green-bright);
  background: var(--green-bright);
  color: var(--black);
  transform: translateY(-2px);
}

.site-header__toggle {
  display: none;
}

@keyframes header-slide-in {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}
@media (max-width: 1100px) {
  :root {
    --container-horizontal-space:36px;
  }
  .site-header {
    --header-height:72px;
  }
  .site-header__inner {
    width: min(var(--container-max-width), 100% - var(--container-horizontal-space));
  }
  .site-header__logo {
    width: min(210px, 58vw);
  }
  .site-header__toggle {
    display: flex;
    position: relative;
    z-index: 2;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 48px;
    height: 48px;
    margin-left: auto;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    background: rgba(1, 47, 59, 0.28);
    color: inherit;
    cursor: pointer;
  }
  .site-header__toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }
  .site-header.is-nav-open .site-header__toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .site-header.is-nav-open .site-header__toggle span:nth-child(2) {
    opacity: 0;
  }
  .site-header.is-nav-open .site-header__toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .site-header__panel {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-height: 0;
    padding: 0 24px;
    overflow: hidden;
    visibility: hidden;
    background: rgba(1, 47, 59, 0.98);
    box-shadow: 0 24px 40px rgba(1, 27, 36, 0.24);
    opacity: 0;
    transition: max-height 0.4s var(--ease), padding 0.4s var(--ease), opacity 0.25s var(--ease), visibility 0.25s;
  }
  .site-header.is-nav-open .site-header__panel {
    max-height: calc(100svh - var(--header-height));
    padding: 20px 24px 28px;
    overflow-y: auto;
    visibility: visible;
    opacity: 1;
  }
  .site-header__nav ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 24px;
  }
  .site-header__nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: var(--font-size-base);
  }
  .site-header__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .site-header__phone {
    align-items: flex-start;
    justify-self: start;
  }
  .site-header__action {
    width: 100%;
    min-height: 50px;
  }
}
@media (max-width: 640px) {
  .site-header__nav ul {
    grid-template-columns: 1fr;
  }
  .site-header__actions {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  .site-header.is-fixed {
    animation: none;
  }
}
/* ==========================================
HERO
========================================== */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--black);
  height: 100svh;
  min-height: 0;
  padding: var(--header-height) 0 32px;
  overflow: hidden;
  isolation: isolate;
}

.hero__image {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
}

.hero__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.04);
  transform-origin: center center;
  backface-visibility: hidden;
  transition: opacity 1.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.hero__slide.is-active {
  z-index: 1;
  opacity: 1;
  transform: scale(1.14);
  transition: opacity 1.6s cubic-bezier(0.4, 0, 0.2, 1), transform 7s linear;
}

.hero__slide.is-initial {
  animation: heroInitialZoom 7s linear forwards;
}

.hero__slide.is-leaving {
  z-index: 2;
  opacity: 0;
  transform: scale(1.14);
  transition: opacity 1.6s cubic-bezier(0.4, 0, 0.2, 1), transform 1.6s linear;
}

@keyframes heroInitialZoom {
  from {
    transform: scale(1.04);
  }
  to {
    transform: scale(1.14);
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero__slide {
    transition: none;
    animation: none;
    transform: scale(1);
  }
  .hero__slide.is-active,
  .hero__slide.is-leaving {
    transition: none;
    transform: scale(1);
  }
}
.hero__overlay {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(90deg, rgba(1, 34, 48, 0.94) 0%, rgba(1, 48, 62, 0.72) 43%, rgba(1, 48, 62, 0.06) 78%), linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(1, 22, 31, 0.52));
}

.hero .container {
  position: relative;
  z-index: 10;
}

.hero__content {
  color: var(--color-white);
  max-width: 760px;
}

.hero__tag {
  display: inline-block;
  border-radius: 999px;
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  background: rgba(2, 64, 89, 0.24);
  backdrop-filter: blur(8px);
  font-family: var(--font-family-en);
  font-weight: 500;
}

.hero h1 {
  line-height: 1.08;
  font-size: clamp(52px, 6.4vw, 88px);
  margin-bottom: 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-wrap: balance;
}

.hero__lead {
  font-size: clamp(0.58em, 0.5em + 0.8vw, 0.62em);
  display: inline-block;
}

.hero__particle {
  display: inline-block;
  margin-left: 0.08em;
  font-size: clamp(0.5em, 0.45em + 0.5vw, 0.55em);
}

.hero__accent {
  position: relative;
  display: inline-block;
  color: #48f2c0;
}

.hero__accent::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.22em;
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(116, 217, 140, 0.4);
  transform: scaleX(1);
  height: 0.08em;
  min-height: 5px;
  background: linear-gradient(90deg, #04bf8a, #b8ef54);
}

.hero p {
  max-width: 590px;
  margin-bottom: 38px;
  color: rgba(255, 255, 255, 0.84);
  font-size: var(--font-size-2xl);
  line-height: 1.9;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.hero__dots {
  position: absolute;
  z-index: 20;
  bottom: 28px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateX(-50%);
}

.hero__dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-pill);
  background: transparent;
  cursor: pointer;
  transition: width 0.3s var(--ease), background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.hero__dot.is-active {
  width: 28px;
  border-color: var(--green-bright);
  background: var(--green-bright);
}

@media (max-width: 768px) {
  .hero {
    align-items: flex-start;
    height: 100svh;
    min-height: 0;
    padding: calc(var(--header-height) - 8px) 0 32px;
  }
  .hero__overlay {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.65) 60%, rgba(0, 0, 0, 0.8));
  }
  .hero__content {
    max-width: 100%;
  }
  .hero p {
    font-size: var(--font-size-xl);
    line-height: 1.9;
    margin-bottom: 38px;
  }
  .hero__buttons {
    flex-wrap: wrap;
    gap: 14px;
  }
}
/*==================================================
HERO STATS
==================================================*/
.hero__stats {
  position: absolute;
  top: 55%;
  right: 0;
  display: flex;
  gap: 0;
  width: auto;
  margin: 0;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(1, 47, 59, 0.2);
  backdrop-filter: blur(8px);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 180px;
  min-height: 96px;
  padding: 18px 24px;
  text-align: center;
}

.hero__stat + .hero__stat {
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.hero__stat-num {
  font-size: clamp(19px, 1.55vw, 22px);
  font-weight: 800;
  line-height: 1.35;
  font-family: var(--font-family-base);
}

.hero__stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.72);
  margin-top: 10px;
  text-align: center;
}

@media (max-width: 1180px) {
  .hero__stats {
    position: static;
    display: flex;
    gap: 0;
    width: auto;
    margin-top: 42px;
    padding: 20px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.22);
    border-bottom: 0;
    background: transparent;
    backdrop-filter: none;
    transform: none;
  }
  .hero__stat {
    flex: 1;
    width: auto;
    min-height: 0;
    padding: 0 16px;
  }
  .hero__stat-num {
    font-size: clamp(16px, 1.25vw, 18px);
  }
}
.hero::before {
  content: "";
  position: absolute;
  z-index: 2;
  top: -24%;
  right: 7%;
  width: 17vw;
  min-width: 150px;
  height: 150%;
  background: linear-gradient(180deg, rgba(63, 243, 189, 0.2), rgba(4, 191, 138, 0.02));
  clip-path: polygon(70% 0, 100% 0, 30% 100%, 0 100%);
  pointer-events: none;
}

.hero__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(1, 27, 37, 0.06), rgba(1, 27, 37, 0.42));
  pointer-events: none;
}

@media (max-width: 960px) {
  .hero {
    padding: 112px 0 80px;
  }
  .hero__overlay {
    background: linear-gradient(90deg, rgba(1, 34, 48, 0.93), rgba(1, 48, 62, 0.5));
  }
}
@media (max-width: 640px) {
  .hero {
    height: 100svh;
    min-height: 0;
    padding: calc(var(--header-height) - 8px) 0 36px;
  }
  .hero__overlay {
    background: linear-gradient(180deg, rgba(1, 34, 48, 0.42), rgba(1, 34, 48, 0.84) 62%, rgba(1, 22, 31, 0.97));
  }
  .hero__tag {
    margin-bottom: 20px;
    font-size: clamp(9px, 0.72vw, 10px);
    letter-spacing: 0.14em;
  }
  .hero h1 {
    margin-bottom: 22px;
    font-size: clamp(39px, 12vw, 54px);
    line-height: 1.12;
  }
  .hero p {
    margin-bottom: 28px;
    font-size: var(--font-size-base);
    line-height: 1.85;
  }
  .hero p br {
    display: none;
  }
  .hero__buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .hero__stats {
    justify-content: center;
    margin-top: 24px;
    padding-top: 16px;
  }
  .hero__stat {
    flex-basis: 0;
    width: auto;
    height: auto;
    padding: 0 8px;
  }
  .hero__stat-num {
    font-size: clamp(11px, 0.85vw, 12px);
  }
  .hero__stat-label {
    margin-top: 6px;
    font-size: clamp(8px, 0.65vw, 9px);
  }
  .hero__dots {
    bottom: 14px;
  }
}
@media (max-width: 640px) and (max-height: 720px) {
  .hero {
    padding-bottom: 24px;
  }
  .hero__tag {
    margin-bottom: 10px;
    padding: 6px 12px;
  }
  .hero h1 {
    margin-bottom: 12px;
    font-size: clamp(32px, 9.5vw, 40px);
  }
  .hero p {
    margin-bottom: 14px;
    font-size: var(--font-size-sm);
    line-height: 1.55;
  }
  .hero__buttons {
    gap: 8px;
  }
  .hero .btn--primary,
  .hero .btn--secondary {
    height: 46px;
    min-height: 46px;
  }
  .hero__stats {
    margin-top: 10px;
    padding-top: 8px;
  }
  .hero__stat {
    flex-basis: 0;
    width: auto;
    height: auto;
    padding: 0 5px;
  }
  .hero__stat-num {
    font-size: clamp(9px, 0.72vw, 10px);
  }
  .hero__stat-label {
    margin-top: 4px;
    font-size: clamp(8px, 0.6vw, 9px);
  }
  .hero__dots {
    bottom: 7px;
  }
}
/* ===========================================================
Container
=========================================================== */
.container {
  margin: auto;
  position: relative;
  z-index: 1;
  width: min(var(--container-max-width), 100% - var(--container-horizontal-space));
}

/* ===========================================================
Section
=========================================================== */
section {
  padding: 128px 0;
}

.section__title {
  position: relative;
  z-index: 1;
  font-weight: 800;
  margin-bottom: 20px;
  font-size: clamp(36px, 4.2vw, 54px);
  line-height: 1.3;
  letter-spacing: 0.04em;
  text-wrap: balance;
}

.section__sub {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-2xl);
  max-width: 760px;
  color: var(--text-sub);
  line-height: 1.95;
}

/*==================================================
MARKET
==================================================*/
.market {
  background-color: var(--paper);
  position: relative;
  overflow: hidden;
  background: linear-gradient(125deg, transparent 0 72%, rgba(4, 191, 138, 0.06) 72% 78%, transparent 78%), radial-gradient(circle at 88% 18%, rgba(4, 191, 138, 0.12), transparent 32%), var(--paper);
}

.market__heading-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 70px;
}

.market__heading {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.market__map {
  flex-shrink: 0;
  width: 340px;
  color: var(--green-dark);
  opacity: 0.78;
  filter: drop-shadow(0 24px 35px rgba(23, 101, 54, 0.16));
}

.market__map svg {
  width: 100%;
  height: auto;
  display: block;
}

.section__label {
  display: block;
  position: absolute;
  left: 0;
  margin: 0;
  font-size: clamp(46px, 7vw, 104px);
  font-family: var(--font-family-en);
  font-weight: 200;
  line-height: 1;
  white-space: nowrap;
  z-index: 0;
  pointer-events: none;
  top: -0.68em;
  color: var(--green-dark);
  opacity: 0.075;
  letter-spacing: -0.04em;
}

.reason__heading .section__label,
.case-study__heading .section__label,
.flow__heading .section__label,
.faq__heading .section__label,
.sim .section__label {
  left: 50%;
  transform: translateX(-50%);
}

.cta__heading .section__label {
  color: var(--color-white);
  opacity: 0.14;
}

.market__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.market__card {
  background: var(--color-white);
  padding: 50px;
  border-radius: var(--radius-lg);
  transition: 0.35s var(--ease);
  border: 1px solid var(--hairline);
  border-color: rgba(16, 32, 24, 0.1);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.market__card--dark {
  background: var(--black);
  color: var(--color-white);
  border-color: var(--black);
}

.market__card--green {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: white;
  border-color: transparent;
}

.market__card-label {
  font-family: var(--font-family-en);
  font-size: var(--font-size-lg);
  font-weight: 500;
  letter-spacing: 0.05em;
  opacity: 0.75;
  display: block;
  margin-bottom: 22px;
}

.market__card-title {
  margin-bottom: 24px;
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.market__value {
  font-size: clamp(42px, 4.5vw, 58px);
  line-height: 1;
  font-family: var(--font-family-en);
  margin-bottom: 18px;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.market__count {
  font-variant-numeric: tabular-nums;
}

.market__unit {
  margin-left: 0.2em;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(0.38em, 0.35em + 0.3vw, 0.42em);
  font-weight: 700;
}

.market__card p {
  font-size: var(--font-size-xl);
  line-height: 1.8;
  opacity: 0.9;
}

/*==================================================
PROBLEM
==================================================*/
.problem {
  padding: 160px 0;
  background-image: linear-gradient(180deg, var(--paper), var(--color-white) 130px);
  position: relative;
  background: var(--color-white);
  overflow: hidden;
}

.problem__wrapper {
  position: relative;
}

.problem__heading {
  position: relative;
  max-width: 640px;
}

.problem__divider {
  margin-top: 48px;
  height: 1px;
  background: rgba(20, 20, 20, 0.15);
}

.problem__row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 56px;
}

.problem__item {
  padding: 0 30px;
  border-left: 1px solid var(--border);
}

.problem__item:first-child {
  padding-left: 0;
  border-left: none;
}

.problem__item:last-child {
  padding-right: 0;
}

.problem__item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-dark);
  border: 1.5px solid var(--border);
  margin-bottom: 28px;
  background: var(--green-light);
  border-radius: 50%;
  width: 58px;
  height: 58px;
}

.problem__item-icon svg {
  width: 32px;
  height: 32px;
}

.problem__item h3 {
  font-size: clamp(17px, 1.3vw, 19px);
  line-height: 1.55;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.problem__item p {
  color: var(--gray);
  line-height: 1.8;
  font-size: var(--font-size-md);
}

/*==================================================
REASON
==================================================*/
.reason {
  padding: 180px 0;
  background-color: var(--light);
  background-image: linear-gradient(180deg, var(--color-white), var(--light) 150px);
  position: relative;
  overflow: hidden;
  background: linear-gradient(rgba(255, 255, 255, 0.93), rgba(255, 255, 255, 0.93)), linear-gradient(135deg, var(--green-light), transparent 42%);
}

.reason__heading {
  position: relative;
  text-align: center;
  max-width: 760px;
  margin: 0 auto 100px;
}

/*==================================================
CASE STUDY
==================================================*/
.case-study {
  padding: 180px 0;
  background-color: var(--paper);
  position: relative;
  overflow: hidden;
  background: #012f3b;
  background-image: linear-gradient(122deg, transparent 0 62%, rgba(4, 191, 138, 0.1) 62% 70%, transparent 70%), radial-gradient(circle at 75% 0%, rgba(63, 243, 189, 0.13), transparent 32%);
  color: var(--color-white);
}

.case-study__heading {
  position: relative;
  text-align: center;
  max-width: 760px;
  margin: 0 auto 90px;
}

.case-study__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.case-study__card {
  transition: 0.35s var(--ease);
  border-color: rgba(16, 32, 24, 0.1);
  box-shadow: var(--shadow-sm);
  background: var(--color-white);
  color: var(--black);
  border: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.case-study__image {
  overflow: hidden;
  background: #dce7df;
}

.case-study__image img {
  width: 100%;
  object-fit: cover;
  background: linear-gradient(135deg, #EAF8EE, #DCE7E1);
  color: transparent;
  height: 250px;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  transition: transform 0.65s var(--ease), filter 0.65s var(--ease);
}

.case-study__content {
  padding: 36px;
}

.case-study__category {
  display: inline-block;
  padding: 8px 14px;
  background: var(--green-light);
  font-size: var(--font-size-xs);
  font-family: var(--font-family-en);
  font-weight: 500;
  letter-spacing: 0.15em;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
  color: var(--green-dark);
}

.case-study__content h3 {
  font-size: clamp(24px, 2.2vw, 30px);
  margin-bottom: 16px;
  line-height: 1.3;
}

.case-study__content p {
  color: var(--color-neutral-600);
  margin-bottom: 24px;
  line-height: 1.8;
}

.case-study__content ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 0;
}

.case-study__content li {
  margin-bottom: 0;
  padding: 6px 14px;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  font-size: var(--font-size-sm);
  font-weight: 600;
  list-style: none;
}

/*==================================================
FLOW
==================================================*/
.flow {
  padding: 0 0 180px;
  background-image: linear-gradient(180deg, var(--paper), var(--color-white) 150px);
  position: relative;
  overflow: visible;
  background: var(--paper);
}

.flow__horizontal {
  position: relative;
  height: 100svh;
}

.flow__sticky {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100svh;
  overflow: hidden;
  padding: clamp(88px, 10vh, 128px) 0 56px;
}

.flow__heading {
  position: relative;
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.flow__viewport {
  width: 100%;
  overflow: hidden;
}

.flow__list {
  display: flex;
  gap: 32px;
  width: max-content;
  max-width: none;
  margin: 0;
  padding: 0 max(24px, (100vw - var(--container-max-width)) / 2);
  will-change: transform;
}

.flow__item {
  position: relative;
  flex: 0 0 clamp(320px, 28vw, 420px);
  width: clamp(320px, 28vw, 420px);
  height: clamp(280px, 34vh, 340px);
  margin: 0;
}

.flow__number {
  position: absolute;
  z-index: 2;
  top: 30px;
  left: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  font-family: var(--font-family-en);
  font-size: var(--font-size-5xl);
  font-weight: 500;
  border: 1px solid rgba(4, 191, 138, 0.28);
  background: var(--green-light);
  color: var(--green-dark);
}

.flow__content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  width: 100%;
  height: 100%;
  padding: 120px 36px 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.flow__text {
  width: 100%;
}

.flow__text h3 {
  font-size: clamp(23px, 2vw, 28px);
  margin-bottom: 16px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.flow__text p {
  font-size: var(--font-size-lg);
  line-height: 1.9;
  color: var(--color-neutral-600);
}

.flow__icon {
  position: absolute;
  top: 28px;
  right: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 76px;
}

.flow__icon svg {
  width: 58px;
  height: 58px;
  color: var(--green-btn);
}

.flow__horizontal.is-static {
  height: auto !important;
}

.flow__horizontal.is-static .flow__sticky {
  position: static;
  height: auto;
}

.flow__horizontal.is-static .flow__viewport {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scrollbar-width: thin;
}

.flow__horizontal.is-static .flow__list {
  transform: none !important;
}

.flow__horizontal.is-static .flow__item {
  scroll-snap-align: start;
}

/*==================================================
CTA
==================================================*/
.cta {
  padding: 180px 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(122deg, transparent 0 64%, rgba(184, 239, 84, 0.08) 64% 70%, transparent 70%), radial-gradient(circle at 90% 5%, rgba(63, 243, 189, 0.16), transparent 30%), linear-gradient(140deg, #012a37, #024059 56%, #026874);
}

.cta::before {
  content: "";
  position: absolute;
  width: 700px;
  height: 700px;
  right: -250px;
  top: -200px;
  background: radial-gradient(circle, var(--green) 0%, transparent 70%);
  opacity: 0.08;
}

.cta__left {
  color: var(--color-white);
  position: relative;
  z-index: 2;
}

.cta__right {
  position: relative;
  z-index: 2;
  background: var(--color-white);
  padding: 50px;
  border-color: rgba(16, 32, 24, 0.1);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-lg);
}

.cta__button {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 62px;
  background: var(--green-btn);
  color: var(--color-white);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(21, 20, 15, 0.1), 0 12px 26px rgba(30, 72, 42, 0.2);
  transition: 0.3s var(--ease);
}

.cta__button:hover {
  background: var(--green-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(21, 20, 15, 0.12), 0 16px 32px rgba(30, 72, 42, 0.26);
}

.cta__layout .info-card h3 {
  color: var(--black);
}

.cta__layout .info-card p {
  color: var(--color-neutral-600);
  margin-bottom: 0;
}

/*==================================================
FAQ
==================================================*/
.faq {
  padding: 180px 0;
  background-color: var(--paper);
  background-image: linear-gradient(180deg, var(--color-white), var(--paper) 150px);
  position: relative;
  overflow: hidden;
  background: var(--color-white);
}

.faq__heading {
  position: relative;
  text-align: center;
  max-width: 760px;
  margin: 0 auto 80px;
}

.faq__list {
  max-width: 900px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq__item {
  background: var(--color-white);
  border: 1px solid var(--hairline);
  overflow: hidden;
  transition: 0.3s var(--ease);
  border-color: rgba(16, 32, 24, 0.1);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
}

.faq__item:hover {
  box-shadow: var(--shadow-md);
}

.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 30px 36px;
  font-size: var(--font-size-4xl);
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq__item summary::after {
  content: "+";
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: 400;
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: 0.3s var(--ease);
  color: var(--green-dark);
}

.faq__item.is-open summary::after {
  content: "−";
  background: var(--black);
  color: var(--color-white);
  border-color: var(--black);
}

.faq__answer {
  padding: 0 36px 30px;
}

.faq__answer p {
  font-size: var(--font-size-lg);
  line-height: 2;
  color: var(--color-neutral-600);
}

/*==================================================
CONTACT
==================================================*/
.info-card {
  background: #F7F8FA;
  padding: 36px;
  border-radius: 24px;
}

.info-card h3 {
  margin-bottom: 20px;
  font-size: var(--font-size-4xl);
}

.cta__tel {
  display: block;
  font-size: clamp(28px, 2.6vw, 34px);
  font-family: var(--font-family-en);
  font-weight: 500;
  color: var(--green-dark);
  margin-bottom: 10px;
}

.info-card ul {
  padding-left: 20px;
}

.info-card li {
  margin-bottom: 12px;
}

.form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
}

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

.form__group.form__group--full {
  grid-column: 1/-1;
}

.form__group label {
  font-weight: 700;
  margin-bottom: 10px;
}

.form__group input,
.form__group textarea {
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
  font-family: inherit;
  transition: 0.3s var(--ease);
}

.form__group input:focus,
.form__group textarea:focus {
  border-color: var(--green);
  outline: none;
  box-shadow: 0 0 0 4px rgba(85, 180, 106, 0.15);
}

/*==================================================
FOOTER
==================================================*/
.footer {
  color: rgba(255, 255, 255, 0.6);
  padding: 80px 0 0;
  background: #011b24;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
}

.footer__brand {
  max-width: 420px;
}

.footer__brand .logo {
  width: 150px;
  margin-bottom: 22px;
}

.footer__brand p {
  font-size: var(--font-size-md);
  line-height: 1.9;
}

.footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
}

.footer__nav a {
  font-size: var(--font-size-md);
  font-weight: 500;
  transition: 0.25s;
}

.footer__nav a:hover {
  color: var(--color-white);
}

.footer__bottom {
  padding: 26px 0;
  font-size: var(--font-size-sm);
  text-align: center;
}

/*==================================================
MARKET (2-column override)
==================================================*/
.market__grid {
  grid-template-columns: repeat(2, 1fr);
}

/*==================================================
EMPATHY CTA (PAIN section)
==================================================*/
.problem__cta {
  grid-column: 1/-1;
  margin-top: 40px;
  border-radius: var(--radius-lg);
  padding: 48px 52px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 92% 0%, rgba(255, 255, 255, 0.17), transparent 35%), linear-gradient(110deg, #024059 0%, #026874 52%, #04bf8a 140%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 28px 64px rgba(13, 67, 34, 0.22);
}

.problem__cta::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16) 0%, transparent 70%);
  top: -140px;
  right: -100px;
  pointer-events: none;
}

.problem__cta-icon {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.problem__cta-icon svg {
  width: 38px;
  height: 38px;
}

.problem__cta-body {
  flex: 1;
  min-width: 280px;
  position: relative;
  z-index: 1;
}

.problem__cta-text {
  font-size: clamp(24px, 2.1vw, 29px);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--color-white);
}

.problem__cta-br {
  display: none;
}

.problem__cta-sub {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 10px;
  letter-spacing: 0.08em;
  line-height: 1.8;
  max-width: 600px;
}

.problem__cta-btn {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  background: var(--color-white);
  color: var(--green-btn);
  font-size: var(--font-size-lg);
  padding: 17px 34px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.problem__cta-btn:hover {
  background: #F0FBF2;
  color: var(--green-btn-hover);
  transform: translateY(-3px);
}

/*==================================================
REASON — icon card grid
==================================================*/
.reason__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.reason__card {
  position: relative;
  background: var(--color-white);
  padding: 42px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  transition: 0.35s var(--ease);
  border-color: rgba(16, 32, 24, 0.1);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.reason__card-num {
  position: absolute;
  top: 32px;
  right: 36px;
  font-family: var(--font-family-en);
  font-size: clamp(72px, 7vw, 100px);
  font-weight: 500;
  letter-spacing: -0.02em;
  z-index: 0;
  color: rgba(2, 104, 116, 0.08);
}

.reason__card .reason__icon {
  width: 84px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-dark);
  margin-bottom: 26px;
  background: var(--green-light);
  border-radius: 50%;
}

.reason__card .reason__icon svg {
  width: 60px;
  height: 60px;
}

.reason__card h3 {
  font-size: var(--font-size-4xl);
  line-height: 1.5;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.reason__card p {
  color: var(--color-neutral-600);
  line-height: 1.9;
  font-size: var(--font-size-base);
}

/*==================================================
SUPPORT BANNER (FLOW section)
==================================================*/
.support-banner {
  margin-top: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  gap: 28px;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.support-banner .reason__icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-dark);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.support-banner .reason__icon svg {
  width: 30px;
  height: 30px;
}

.support-banner__text {
  flex: 1;
}

.support-banner__title {
  font-size: var(--font-size-lg);
  font-weight: 800;
}

.support-banner__sub {
  font-size: var(--font-size-sm);
  color: var(--color-neutral-600);
  margin-top: 4px;
}

/*==================================================
SIM (収支シミュレーション)
==================================================*/
.sim {
  padding: 140px 0;
  background-image: linear-gradient(180deg, var(--paper), var(--light) 110px);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(128deg, transparent 0 70%, rgba(4, 191, 138, 0.08) 70% 76%, transparent 76%), radial-gradient(circle at 50% 25%, rgba(4, 191, 138, 0.13), transparent 44%), var(--light);
}

.sim .section__label,
.sim .section__title,
.sim .section__sub {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.sim .section__sub {
  max-width: 640px;
}

.sim__preview {
  margin: 48px auto 0;
  max-width: 960px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  border-color: rgba(16, 32, 24, 0.1);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.sim__preview img {
  width: 100%;
  display: block;
}

.sim__cta {
  margin-top: 40px;
}

/*==================================================
CTA + CONTACT (merged)
==================================================*/
.cta__heading {
  position: relative;
  max-width: 720px;
  margin-bottom: 48px;
}

.cta__heading h2 {
  color: var(--color-white);
  font-size: clamp(34px, 3.5vw, 44px);
  font-weight: 900;
  line-height: 1.35;
  margin: 18px 0 20px;
  letter-spacing: 0.04em;
}

.cta__heading p {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.9;
}

.cta__layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.cta__layout .info-card .cta__tel {
  margin-top: 12px;
}

.cta__layout .info-card .cta__button {
  display: flex;
  margin-top: 20px;
}

.cta__divider {
  margin: 24px 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
  position: relative;
}

.cta__feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta__feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-md);
  color: rgba(255, 255, 255, 0.75);
}

.cta__feature-list li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--green-bright);
}

.cta__form-title {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  margin-bottom: 4px;
}

.cta__form-sub {
  display: block;
  font-size: clamp(10px, 0.78vw, 11px);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: #999;
  font-family: var(--font-family-en);
  margin-bottom: 26px;
}

.form__required,
.form__optional {
  display: inline-block;
  font-size: clamp(9px, 0.72vw, 10px);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

.form__required {
  background: var(--black);
  color: var(--color-white);
}

.form__optional {
  background: var(--border);
  color: var(--color-neutral-600);
}

.form__select {
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
  font-family: inherit;
  transition: 0.3s var(--ease);
  background: var(--color-white);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 20px center;
}

.form__select:focus {
  border-color: var(--green);
  outline: none;
  box-shadow: 0 0 0 4px rgba(85, 180, 106, 0.12);
}

.form__privacy {
  font-size: var(--font-size-xs);
  color: #777;
  line-height: 1.8;
  padding: 14px 18px;
  background: var(--light);
  border-radius: 12px;
}

.cta-footer-line {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.8;
}

/*==================================================
RESPONSIVE
==================================================*/
@media (max-width: 1100px) {
  .problem__row {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 36px;
    column-gap: 32px;
  }
  .problem__item {
    border-top: 1px solid var(--border);
    padding-top: 28px;
  }
  .problem__item:nth-child(odd) {
    border-left: none;
    padding-left: 0;
  }
  .problem__item:nth-child(-n+2) {
    border-top: none;
    padding-top: 0;
  }
  .reason__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .cta__layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .cta__feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 24px;
  }
}
@media (max-width: 960px) {
  section {
    padding: 96px 0;
  }
  .market {
    padding: 96px 0;
  }
  .flow {
    padding: 0 0 96px;
  }
  .problem,
  .reason,
  .case-study,
  .cta,
  .faq,
  .sim {
    padding: 96px 0;
  }
  .section__title {
    font-size: clamp(30px, 3vw, 38px);
  }
  .market__heading-row {
    gap: 0;
  }
  .market__map {
    display: none;
  }
  .market__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .problem__row {
    grid-template-columns: 1fr;
    row-gap: 28px;
  }
  .problem__item {
    border-left: none;
    padding-left: 0;
    padding-right: 0;
  }
  .problem__item:not(:first-child) {
    border-top: 1px solid var(--border);
    padding-top: 28px;
  }
  .case-study__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .case-study__image img {
    height: 240px;
  }
}
@media (max-width: 768px) {
  .flow {
    padding: 0 0 96px;
  }
  .flow__horizontal {
    height: auto !important;
  }
  .flow__sticky {
    position: static;
    height: auto;
    padding: 96px 0 40px;
  }
  .flow__heading {
    margin-bottom: 48px;
  }
  .flow__viewport {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-width: thin;
  }
  .flow__list {
    gap: 16px;
    padding: 0 18px;
    transform: none !important;
  }
  .flow__item {
    flex-basis: min(82vw, 320px);
    width: min(82vw, 320px);
    height: 320px;
    scroll-snap-align: start;
  }
  .support-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    padding: 28px 24px;
  }
  .support-banner .reason__icon {
    width: 56px;
    height: 56px;
  }
  .support-banner__text {
    width: 100%;
    min-width: 0;
  }
  .support-banner__title {
    font-size: var(--font-size-xl);
    line-height: 1.6;
  }
  .support-banner__sub {
    margin-top: 8px;
    line-height: 1.8;
  }
  .support-banner .btn {
    width: 100%;
  }
}
@media (max-width: 640px) {
  .problem__cta {
    padding: 32px 26px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .problem__cta-text {
    font-size: var(--font-size-4xl);
  }
  .problem__cta-btn {
    width: 100%;
  }
  .section__title {
    font-size: clamp(26px, 2.4vw, 32px);
  }
  .section__sub {
    font-size: var(--font-size-lg);
  }
  .market__card {
    padding: 36px;
  }
  .market__value {
    font-size: clamp(34px, 3.5vw, 44px);
  }
  .problem__item h3 {
    font-size: var(--font-size-2xl);
  }
  .reason__card {
    padding: 28px 24px;
  }
  .reason__card h3 {
    font-size: clamp(17px, 1.3vw, 19px);
  }
  .flow__item {
    margin: 0;
  }
  .flow__number {
    top: 24px;
    left: 24px;
    width: 58px;
    height: 58px;
    font-size: var(--font-size-2xl);
  }
  .flow__content {
    padding: 106px 26px 26px;
  }
  .flow__content h3 {
    font-size: var(--font-size-4xl);
  }
  .flow__icon {
    top: 22px;
    right: 22px;
    width: 64px;
    height: 64px;
  }
  .flow__icon svg {
    width: 48px;
    height: 48px;
  }
  .cta__left h2 {
    font-size: clamp(28px, 2.6vw, 34px);
  }
  .cta__right {
    max-width: 100%;
    padding: 28px 24px;
  }
  .faq__item summary {
    padding: 22px 24px;
    font-size: var(--font-size-xl);
    gap: 16px;
  }
  .faq__answer {
    padding: 0 24px 24px;
  }
  .form {
    grid-template-columns: 1fr;
  }
  .info-card {
    min-width: 100%;
  }
  .footer__inner {
    flex-direction: column;
    gap: 36px;
    padding-bottom: 40px;
  }
  .footer__nav ul {
    gap: 14px 28px;
  }
  section {
    padding: 72px 0;
  }
  .market {
    padding: 72px 0;
  }
  .problem {
    padding: 72px 0;
  }
  .reason {
    padding: 72px 0;
  }
  .case-study {
    padding: 72px 0;
  }
  .flow {
    padding: 0 0 72px;
  }
  .cta {
    padding: 72px 0;
  }
  .faq {
    padding: 72px 0;
  }
  .sim {
    padding: 72px 0;
  }
  .section__label {
    white-space: normal;
    font-size: clamp(36px, 3.7vw, 46px);
  }
  .case-study__image img {
    height: 220px;
  }
  .support-banner {
    align-items: stretch;
  }
}
.section__title::after {
  content: "";
  display: block;
  width: 74px;
  height: 6px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--green-dark), var(--green), var(--gold));
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}

.reason__heading .section__title::after {
  margin-right: auto;
  margin-left: auto;
}

.case-study__heading .section__title::after {
  margin-right: auto;
  margin-left: auto;
}

.flow__heading .section__title::after {
  margin-right: auto;
  margin-left: auto;
}

.faq__heading .section__title::after {
  margin-right: auto;
  margin-left: auto;
}

.sim .section__title::after {
  margin-right: auto;
  margin-left: auto;
}

.market__card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--gold));
  clip-path: polygon(0 70%, 100% 0, 100% 100%, 0 100%);
}

.problem::before {
  content: "";
  position: absolute;
  top: 4%;
  right: -120px;
  width: 340px;
  height: 76px;
  background: linear-gradient(90deg, transparent, rgba(4, 191, 138, 0.15));
  transform: rotate(-32deg);
  pointer-events: none;
}

.reason__card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--green-dark), var(--green), var(--gold));
}

.reason__card > * {
  position: relative;
  z-index: 1;
}

.case-study .section__label {
  color: var(--color-white);
  opacity: 0.08;
}

.case-study .section__sub {
  color: var(--color-white);
  opacity: 0.72;
}

.case-study__card:hover .case-study__image img {
  transform: scale(1.035);
  filter: saturate(1.05) contrast(1.02);
}

.flow__item:hover .flow__number {
  background: linear-gradient(135deg, var(--green-dark), var(--green));
  color: var(--color-white);
}

.faq__item[open] {
  border-color: rgba(47, 143, 82, 0.3);
  box-shadow: 0 16px 40px rgba(16, 32, 24, 0.08);
}

.form input {
  border-color: #d9dfd8;
  background-color: #fbfcfa;
}

.form select {
  border-color: #d9dfd8;
  background-color: #fbfcfa;
}

.form textarea {
  border-color: #d9dfd8;
  background-color: #fbfcfa;
}

.form input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(47, 143, 82, 0.11);
}

.form select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(47, 143, 82, 0.11);
}

.form textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(47, 143, 82, 0.11);
}

.problem__item-icon img {
  width: 20px;
  height: auto;
}

.cta__anchor {
  display: block;
  position: relative;
  visibility: hidden;
}

@media (hover: hover) {
  .reason__card:hover,
  .case-study__card:hover,
  .faq__item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
  }
}
/* ===========================================================
CONTACT FORM -- 入力チェック・確認画面
=========================================================== */
.form[hidden] {
  display: none;
}

.form__error {
  margin-top: 8px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  line-height: 1.6;
  color: #d0342c;
}

.form__error[hidden] {
  display: none;
}

.form__group input.is-error,
.form__group textarea.is-error,
.form__select.is-error {
  border-color: #d0342c;
  background-color: #fef6f5;
}

.form__group input.is-error:focus,
.form__group textarea.is-error:focus,
.form__select.is-error:focus {
  box-shadow: 0 0 0 4px rgba(208, 52, 44, 0.15);
}

.form__alert {
  grid-column: 1/-1;
  margin: 0;
  padding: 14px 18px;
  border-radius: 12px;
  background: #fdecea;
  border: 1px solid #f5c6c2;
  color: #a5251f;
  font-size: var(--font-size-sm);
  font-weight: 700;
  line-height: 1.8;
}

.form__alert[hidden] {
  display: none;
}

/* -- 確認画面 -------------------------------------------- */
.form-confirm[hidden] {
  display: none;
}

.form-confirm__lead {
  padding: 16px 20px;
  margin-bottom: 28px;
  border-radius: 12px;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: var(--font-size-md);
  font-weight: 700;
  line-height: 1.9;
}

.form-confirm__list {
  margin-bottom: 28px;
  border-top: 1px solid var(--border);
}

.form-confirm__list dt {
  padding: 18px 0 6px;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-sub);
}

.form-confirm__list dd {
  padding: 0 0 18px;
  border-bottom: 1px solid var(--border);
  font-size: var(--font-size-lg);
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
}

.form-confirm__list dd.is-empty {
  color: #9aa8ac;
}

.form-confirm__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.form-confirm__actions .form__submit {
  flex: 1;
}

.form-confirm__back {
  padding: 18px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--color-white);
  color: var(--text-sub);
  font-family: inherit;
  font-size: var(--font-size-md);
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s var(--ease);
}

.form-confirm__back:hover {
  border-color: var(--gray);
  background: var(--paper);
}

.form__submit:disabled,
.form-confirm__back:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 768px) {
  .form-confirm__actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }
}
/* ===========================================================
THANKS -- 送信完了ページ
=========================================================== */
.site-header--solid {
  position: relative;
  background: var(--black);
}

.thanks {
  padding: 100px 0 120px;
  background: var(--paper);
}

.thanks__inner {
  max-width: 760px;
  text-align: center;
}

.thanks__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  margin: 0 auto 28px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green-btn);
}

.thanks__icon svg {
  width: 44px;
  height: 44px;
}

.thanks__label {
  display: block;
  margin-bottom: 14px;
  font-size: clamp(11px, 0.9vw, 12px);
  font-family: var(--font-family-en);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--green-dark);
}

.thanks__title {
  margin-bottom: 24px;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--black);
}

.thanks__lead {
  margin-bottom: 48px;
  font-size: var(--font-size-lg);
  line-height: 2;
  color: var(--text-sub);
}

.thanks__card {
  padding: 40px;
  margin-bottom: 48px;
  border-radius: 24px;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.thanks__card h2 {
  margin-bottom: 24px;
  font-size: var(--font-size-3xl);
  text-align: center;
}

.thanks__steps {
  margin-bottom: 32px;
}

.thanks__steps li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--font-size-lg);
  line-height: 1.7;
}

.thanks__steps li:last-child {
  border-bottom: none;
}

.thanks__steps span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--green-btn);
  color: var(--color-white);
  font-family: var(--font-family-en);
  font-weight: 500;
  font-size: var(--font-size-md);
}

.thanks__note {
  padding: 16px 20px;
  margin-bottom: 28px;
  border-radius: 12px;
  background: var(--light);
  font-size: var(--font-size-sm);
  line-height: 1.9;
  color: var(--text-sub);
}

.thanks__card .cta__tel {
  text-align: center;
  margin-bottom: 4px;
}

.thanks__hours {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-sub);
}

@media (max-width: 768px) {
  .thanks {
    padding: 64px 0 80px;
  }
  .thanks__card {
    padding: 28px 20px;
  }
}
/* Shared brand assets */
.logo {
  width: 150px;
  flex-shrink: 0;
}

/* Shared buttons and reusable action controls */
/* ===========================================================
Buttons
=========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--font-size-base);
  white-space: nowrap;
  color: var(--color-white);
  box-shadow: 0 1px 2px rgba(21, 20, 15, 0.1), 0 10px 20px rgba(30, 72, 42, 0.18);
  transition: 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  background: linear-gradient(110deg, #04bf8a 0%, #026874 100%);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(21, 20, 15, 0.12), 0 14px 26px rgba(30, 72, 42, 0.24);
  background: linear-gradient(110deg, #14d69e, #024059);
}

.btn--main {
  background: var(--green);
  color: var(--color-white);
  box-shadow: 0 15px 35px rgba(85, 180, 106, 0.25);
}

.btn--main:hover {
  background: var(--green-dark);
  transform: translateY(-3px);
}

.btn--sub {
  border: 1px solid #ddd;
  background: var(--color-white);
}

.btn--sub:hover {
  background: #f8f8f8;
}

.form__submit {
  grid-column: 1/-1;
  height: 64px;
  border: none;
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: 700;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  background: linear-gradient(110deg, #04bf8a 0%, #026874 100%);
  min-height: 58px;
  box-shadow: 0 15px 30px rgba(2, 104, 116, 0.24);
}

.form__submit:hover {
  background: var(--green-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(21, 20, 15, 0.12), 0 18px 34px rgba(30, 72, 42, 0.28);
}

.btn--outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1.5px solid var(--black);
  font-weight: 700;
  font-size: var(--font-size-md);
  white-space: nowrap;
  transition: 0.3s;
  flex-shrink: 0;
}

.btn--outline:hover {
  background: var(--black);
  color: var(--color-white);
}

/*==================================================
FLOATING CONSULTATION BUTTON
==================================================*/
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  display: flex;
  align-items: center;
  gap: 10px;
}

.float-cta__tel {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--green-dark);
  border: 1px solid var(--border);
  transition: 0.3s var(--ease);
  box-shadow: 0 15px 34px rgba(1, 39, 55, 0.3);
}

.float-cta__tel svg {
  width: 22px;
  height: 22px;
}

.float-cta__tel:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.float-cta__main {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px 14px 18px;
  border-radius: 999px;
  color: var(--color-white);
  transition: 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  background: linear-gradient(110deg, #04bf8a 0%, #026874 100%);
  box-shadow: 0 15px 34px rgba(1, 39, 55, 0.3);
}

.float-cta__main:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 20px 46px rgba(59, 153, 80, 0.5);
}

.float-cta__pulse {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  box-shadow: 0 0 0 0 rgba(85, 180, 106, 0.55);
  animation: float-cta-pulse 2.4s infinite;
  pointer-events: none;
}

@keyframes float-cta-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(85, 180, 106, 0.5);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(85, 180, 106, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(85, 180, 106, 0);
  }
}
.float-cta__badge {
  position: absolute;
  top: -11px;
  left: 14px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: var(--gold-text);
  color: var(--color-white);
  font-size: clamp(9px, 0.72vw, 10px);
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.float-cta__label {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.float-cta__label strong {
  font-size: var(--font-size-lg);
  font-weight: 800;
}

.float-cta__label small {
  font-size: clamp(10px, 0.78vw, 11px);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
}

.float-cta__arrow {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

@media (prefers-reduced-motion: reduce) {
  .float-cta__pulse {
    animation: none;
  }
}
@media (max-width: 600px) {
  .float-cta {
    right: 16px;
    bottom: 16px;
    gap: 8px;
  }
  .float-cta__tel {
    width: 46px;
    height: 46px;
  }
  .float-cta__tel svg {
    width: 19px;
    height: 19px;
  }
  .float-cta__main {
    padding: 12px 18px 12px 16px;
    gap: 8px;
  }
  .float-cta__label small {
    display: none;
  }
  .float-cta__label strong {
    font-size: var(--font-size-md);
  }
}
.btn--primary {
  height: 60px;
  padding: 0 34px;
  display: flex;
  align-items: center;
  color: var(--color-white);
  border-radius: var(--radius-pill);
  font-weight: 700;
  transition: 0.3s var(--ease);
  position: relative;
  overflow: hidden;
  background: linear-gradient(110deg, #04bf8a 0%, #026874 100%);
  min-width: 220px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.28);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.18), 0 18px 36px rgba(10, 30, 15, 0.36);
  background: linear-gradient(110deg, #14d69e, #024059);
}

.btn--secondary {
  height: 60px;
  padding: 0 34px;
  display: flex;
  align-items: center;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: var(--color-white);
  backdrop-filter: blur(16px);
  transition: 0.3s;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 768px) {
  .btn--primary,
  .btn--secondary {
    height: 56px;
    padding: 0 26px;
    font-size: var(--font-size-base);
  }
}
@media (max-width: 640px) {
  .float-cta {
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
  }
  .btn--primary,
  .btn--secondary {
    width: 100%;
    min-width: 0;
    justify-content: center;
  }
}
.btn--primary::before {
  content: "";
  position: absolute;
  top: -80%;
  left: -34%;
  width: 22%;
  height: 260%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.42), transparent);
  transform: rotate(18deg);
  transition: left 0.7s var(--ease);
  pointer-events: none;
}

.btn::before {
  content: "";
  position: absolute;
  top: -80%;
  left: -34%;
  width: 22%;
  height: 260%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.42), transparent);
  transform: rotate(18deg);
  transition: left 0.7s var(--ease);
  pointer-events: none;
}

.form__submit::before {
  content: "";
  position: absolute;
  top: -80%;
  left: -34%;
  width: 22%;
  height: 260%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.42), transparent);
  transform: rotate(18deg);
  transition: left 0.7s var(--ease);
  pointer-events: none;
}

.float-cta__main::before {
  content: "";
  position: absolute;
  top: -80%;
  left: -34%;
  width: 22%;
  height: 260%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.42), transparent);
  transform: rotate(18deg);
  transition: left 0.7s var(--ease);
  pointer-events: none;
}

.btn--primary:hover::before {
  left: 118%;
}

.btn:hover::before {
  left: 118%;
}

.form__submit:hover::before {
  left: 118%;
}

.float-cta__main:hover::before {
  left: 118%;
}

.btn--primary:focus-visible {
  background: linear-gradient(110deg, #14d69e, #024059);
}

.btn:focus-visible {
  background: linear-gradient(110deg, #14d69e, #024059);
}

/* Shared reveal and title animations */
/* ===========================================================
Scroll Reveal
=========================================================== */
.reveal {
  opacity: 0;
  filter: blur(3px);
  transform: translateY(30px) skewY(0.6deg);
  transition: opacity 0.82s var(--ease), filter 0.82s var(--ease), transform 0.82s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.in-view {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0) skewY(0);
}

/* セクションタイトル専用：下から柔らかく浮かび上がる演出 */
.title-reveal {
  opacity: 0;
  filter: blur(4px);
  transform: translateY(36px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), filter 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.title-reveal.in-view {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .title-reveal {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }
}