/* ==============================
   Base / design tokens
============================== */
:root {
  --color-green: #005936;
  --color-green-dark: #00512f;
  --color-green-deep: #004824;
  --color-green-light: #dff6e8;
  --color-green-pale: #effaf3;
  --color-text: #1d2520;
  --color-muted: #5c665f;
  --color-border: #dbe4de;
  --color-bg-soft: #fafafa;
  --shadow-soft: 0 8px 28px rgba(0, 67, 35, 0.07);
  --radius-small: 6px;
  --radius-medium: 10px;
  /* 全セクションで共通使用するPC基準幅 */
  --content-width: 1200px;
  --wide-width: 1200px;
  --page-gutter: 24px;
  --color-body-copy: #20251f;
  --color-heading: #00511f;
  --color-heading-accent: #00511f;
  --color-heading-soft: #00511f;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--color-body-copy);
  background: #fff;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid #e2a900;
  outline-offset: 3px;
}

.bold {
  font-weight: bold
}

.container {
  width: min(calc(100% - var(--page-gutter)), var(--content-width));
  margin-inline: auto;
}

.container--wide {
  width: min(calc(100% - var(--page-gutter)), var(--wide-width));
}

.section {
  padding-block: 64px;
}

.section--compact {
  padding-block: 28px 56px;
}

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

.section-title {
  margin: 0 0 24px;
  color: var(--color-heading);
  font-size: clamp(1.65rem, 7vw, 2.25rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.04em;
  text-align: center;
}

#comparison-title,
#download-title {
  font-size: clamp(1.4rem, 5.5vw, 1.5rem);
}

#comparison-title {
  color: var(--color-heading-accent);
}

#consultation-title,
.consultation__faq-title {
  color: var(--color-heading-soft);
}

#download-title {
  color: #2a613d;
}

.section-lead {
  margin: -12px auto 32px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.8;
  text-align: center;
}

.mobile-only {
  display: initial;
}

/* ==============================
   Header / hero
============================== */
.site-header {
  background: #fff;
}

.site-header__inner {
  display: flex;
  align-items: center;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  line-height: 1;
}

.brand__symbol {
  width: 29px;
  height: 27px;
  object-fit: contain;
}

.brand__name {
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.hero {
  background: #fff;
}

.hero__content {
  position: relative;
  z-index: 2;
  min-height: 0;
  padding: 28px 0 0;
  overflow: hidden;
  isolation: isolate;
}

.hero__content::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.92) 0%,
      rgba(255, 255, 255, 0.86) 55%,
      rgba(255, 255, 255, 0.62) 100%
    ),
    url("../../assets/images/generated/hero-wind-solar.webp") center / cover no-repeat;
  content: "";
}

.hero__title {
  margin: 0;
  color: var(--color-heading);
  font-size: clamp(1.65rem, 7.4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: 0.045em;
}

.hero__title span {
  display: block;
}

span.hero__title-kicker {
  display: inline;
  font-size: 2.4rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.hero__button {
  margin-top: 22px;
}

.hero__visual {
  display: none;
  position: relative;
  width: calc(100% + 32px);
  margin-left: -16px;
  overflow: hidden;
  aspect-ratio: 1.7;
}

.hero__visual::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 75%, #fff 100%);
  content: "";
  pointer-events: none;
}

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

/* ==============================
   Buttons / CTA
============================== */
.button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 360px);
  min-height: 52px;
  padding: 12px 52px 12px 32px;
  border: 1px solid transparent;
  border-radius: var(--radius-small);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.4;
  text-align: center;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.button::after {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 9px;
  height: 9px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

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

.button--primary {
  color: #fff;
  background: var(--color-green);
  box-shadow: none;
}

.button--primary:hover {
  background: var(--color-green-dark);
  box-shadow: none;
}

.button--outline {
  color: var(--color-green-dark);
  border-color: var(--color-green);
  background: #fff;
}

.button--outline::after {
  top: 48%;
  width: 8px;
  height: 8px;
  border: 0;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.button--outline:hover {
  background: var(--color-green-pale);
}

.cta-band {
  padding: 26px 16px;
  background: #fafafa;
}

.cta-band .button,
.consultation__cta .button {
  margin-inline: auto;
}

/* ==============================
   Client logos
============================== */
.client-logos__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  color: var(--color-heading-accent);
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.5;
  text-align: center;
}

.client-logos__title::before,
.client-logos__title::after {
  flex: 1;
  height: 1px;
  background: var(--color-border);
  content: "";
}

.client-logos__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

/* 奇数枚になった最終行も、ロゴカードを中央に配置する */
/* ==============================
   Reasons
============================== */
.reasons__grid {
  display: grid;
  gap: 14px;
}

.reason-card {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid #e3e8e4;
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 3px 14px rgba(0, 54, 28, 0.035);
  text-align: center;
}

.reason-card__number {
  position: absolute;
  top: 14px;
  left: 14px;
  color: var(--color-heading-accent);
  font-size: 1rem;
  font-weight: 800;
}

.reason-card__icon {
  display: grid;
  width: 70px;
  height: 70px;
  margin: 2px auto 10px;
  border-radius: 50%;
  background: var(--color-green-pale);
  place-items: center;
}

.reason-card__icon img {
  width: 46px;
  height: 50px;
  object-fit: contain;
}

.reason-card h3 {
  margin: 0 0 14px;
  color: var(--color-heading);
  font-size: 1.08rem;
  line-height: 1.65;
}

.reason-card p {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid #e5e9e6;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.8;
}

/* ==============================
   PPA diagram / merits
============================== */
.ppa {
  padding-bottom: 52px;
}

.ppa-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 30px;
}

.ppa-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 150px;
  margin: 0;
  text-align: center;
}

.ppa-node img {
  width: 105px;
  height: 100px;
  object-fit: contain;
}

.ppa-node figcaption {
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 800;
}

.ppa-connector {
  position: relative;
  width: 68px;
  height: 66px;
  margin-block: 4px;
}

.ppa-connector__line {
  position: absolute;
  top: 7px;
  width: 2px;
  height: 46px;
  background: currentColor;
}

.ppa-connector__line::after {
  position: absolute;
  bottom: 0;
  left: -4px;
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.ppa-connector__line--power {
  left: 17px;
  color: #111;
}

.ppa-connector__line--value {
  left: 33px;
  color: #118134;
}

.ppa-connector__line--money {
  left: 49px;
  color: #8b8f8c;
}

.ppa-connector__line--money::after {
  top: 0;
  bottom: auto;
  border: 0;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
}

.ppa-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin: 24px 0 36px;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  font-weight: 700;
}

.ppa-legend li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.ppa-legend__line {
  display: inline-block;
  width: 28px;
  height: 3px;
  background: #111;
}

.ppa-legend__line--value {
  background: #118134;
}

.ppa-legend__line--money {
  background: #8b8f8c;
}

.subheading {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  color: var(--color-heading-accent);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.subheading::before,
.subheading::after {
  flex: 1;
  height: 1px;
  background: #9dc8ac;
  content: "";
}

.merits-grid {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.merits-grid li {
  padding: 14px 12px;
  border: 1px solid #e0e6e2;
  border-radius: var(--radius-small);
  background: #fff;
  box-shadow: 0 3px 12px rgba(0, 64, 34, 0.035);
  color: var(--color-heading);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.7;
  text-align: center;
}

/* ==============================
   Comparison
============================== */
.comparison-table-wrap {
  display: none;
}

.comparison-mobile {
  display: grid;
  gap: 14px;
}

.comparison-card {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.comparison-card h3 {
  margin: 0;
  padding: 14px 16px;
  color: var(--color-heading);
  background: #eef3f0;
  font-size: 1rem;
  line-height: 1.45;
  text-align: center;
}

.comparison-card--featured {
  border-color: #6da884;
}

.comparison-card--featured h3 {
  color: #fff;
  background: var(--color-green);
}

.comparison-card dl {
  margin: 0;
}

.comparison-card dl div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(90px, 0.8fr);
  align-items: center;
  min-height: 46px;
  padding: 8px 14px;
  border-top: 1px solid #e6eae7;
  gap: 12px;
}

.comparison-card dt,
.comparison-card dd {
  margin: 0;
}

.comparison-card dt {
  font-size: 0.77rem;
  font-weight: 700;
}

.comparison-card dd {
  color: var(--color-heading);
  font-size: 0.86rem;
  font-weight: 800;
  text-align: right;
}

/* ==============================
   Checkpoints
============================== */
.checkpoints-list {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: #fff;
}

.checkpoints-list__header {
  display: none;
}

.checkpoint-row {
  padding: 18px 16px;
  border-top: 1px solid var(--color-border);
}

.checkpoint-row:first-of-type {
  border-top: 0;
}

.checkpoint-row h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 10px;
  font-size: 1rem;
  line-height: 1.5;
}

.checkpoint-row h3 img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.checkpoint-row__check {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  border: 2px solid #4a9367;
}

.checkpoint-row__check::after {
  position: absolute;
  top: -1px;
  left: 4px;
  width: 7px;
  height: 12px;
  border-right: 2px solid var(--color-green);
  border-bottom: 2px solid var(--color-green);
  content: "";
  transform: rotate(42deg);
}

.checkpoint-row p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.8;
}

.checkpoint-row__content {
  min-width: 0;
}

.list-wrap {
  margin-top: 6px;
}

.note-list-v2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.6;
}

.note-list-v2 li {
  display: flex;
  align-items: flex-start;
}

.note-list-v2__mark {
  flex: 0 0 auto;
}

/* ==============================
   Process
============================== */
.process-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-step {
  position: relative;
  display: grid;
  grid-template-columns: 42px 84px minmax(0, 1fr);
  align-items: center;
  min-height: 108px;
  gap: 14px;
}

.process-step:not(:last-child)::after {
  position: absolute;
  bottom: -3px;
  left: 20px;
  width: 1px;
  height: 30px;
  border-left: 3px dotted #58a273;
  content: "";
}

.process-step__number {
  display: grid;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #fff;
  background: var(--color-green);
  font-size: 1rem;
  font-weight: 800;
  place-items: center;
}

.process-step img {
  width: 78px;
  height: 72px;
  object-fit: contain;
}

.process-step p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.6;
}

.process__note {
  margin: 26px 0 0;
  padding: 14px 16px;
  border: 1px solid #d9e9df;
  border-radius: var(--radius-small);
  color: var(--color-heading);
  background: #f4faf6;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
}

/* ==============================
   Accordions / consultation
============================== */
.accordion-list {
  display: grid;
  gap: 4px;
}

.accordion {
  overflow: hidden;
  border: 1px solid #d3efdc;
  border-radius: var(--radius-small);
  background: #e3f8eb;
}

.accordion summary,
.accordion--placeholder {
  position: relative;
  min-height: 50px;
}

.accordion summary {
  display: flex;
  align-items: center;
  padding: 12px 48px 12px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
  list-style: none;
}

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

.accordion summary::after,
.accordion--placeholder::after {
  position: absolute;
  top: 50%;
  right: 18px;
  width: 8px;
  height: 8px;
  border-right: 2px solid #17251d;
  border-bottom: 2px solid #17251d;
  content: "";
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease;
}

.accordion[open] summary::after {
  transform: translateY(-25%) rotate(225deg);
}

.consultation__faq-title {
  margin-top: 50px;
}

.consultation__cta {
  margin-top: 20px;
  padding: 20px 16px;
  background: #fafafa;
}

/* ==============================
   Download
============================== */
.download__grid {
  display: grid;
  gap: 28px;
}

.document-stack {
  position: relative;
  width: min(100%, 448px);
  aspect-ratio: 448 / 195;
  margin-inline: auto;
}

.document-stack__image {
  position: absolute;
  width: 62.3%;
  height: auto;
  box-shadow: 0 9px 22px rgba(0, 68, 45, 0.12);
}

.document-stack__image--preview {
  z-index: 1;
  top: 19%;
  left: 38%;
}

.document-stack__image--cover {
  z-index: 2;
  top: 0;
  left: 0;
}

.download__content {
  align-self: center;
}

.download__lead {
  margin: 0 0 16px;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.65;
}

.download__content ul {
  margin: 0 0 22px;
  padding-left: 1.25em;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.9;
}

.download__content li::marker {
  color: var(--color-green);
}

/* ==============================
   Footer
============================== */
.site-footer {
  padding-block: 22px;
  color: #fff;
  background: var(--color-green);
}

.site-footer__inner {
  display: grid;
  justify-items: center;
  gap: 12px;
  text-align: center;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 800;
}

.site-footer__brand img {
  width: 26px;
  filter: brightness(0) invert(1);
}

.site-footer p {
  margin: 0;
  font-size: 0.62rem;
}

/* ==============================
   Mid-size adjustments
============================== */
@media (min-width: 600px) {
  .reasons__grid,
  .merits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .client-logos__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .comparison-mobile {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .comparison-card:last-child {
    grid-column: 1 / -1;
    width: calc(50% - 7px);
    justify-self: center;
  }
}

/* ==============================
   Desktop layout
============================== */
@media (min-width: 880px) {
  body {
    font-family: "Yu Gothic", YuGothic, sans-serif;
  }

  html {
    font-size: 18px;
  }

  body {
    font-size: 16px;
  }

  .section {
    padding-block: 78px;
  }

  .section--compact {
    padding-block: 20px 64px;
  }

  .section-title {
    margin-bottom: 28px;
    font-size: 2.25rem;
  }

  .section-lead {
    margin-top: -16px;
    margin-bottom: 34px;
  }

  #ppa-title + .section-lead {
    font-size: 1.15rem;
    line-height: 1.65;
  }

  .checkpoints .section-lead {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.65;
  }

  .mobile-only {
    display: none;
  }

  .site-header__inner {
    width: min(calc(100% - var(--page-gutter)), 1340px);
    min-height: 56px;
    padding: 0 0 0 107px;
  }

  .brand__symbol {
    width: 30px;
    height: 29px;
  }

  .brand__name {
    font-size: 1.05rem;
  }

  .hero__inner {
    position: relative;
    width: min(calc(100% - var(--page-gutter) - 140px), 1200px);
    box-sizing: content-box;
    padding: 0 52px 0 88px;
    gap: 0;
  }

  .hero__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 0;
    padding-block: 20px;
    padding-left: 0;
    overflow: visible;
    isolation: auto;
  }

  .hero__content::before {
    content: none;
  }

  .hero__title {
    font-size: 2.08rem;
    line-height: 1.55;
  }

  .hero__button {
    width: 274px;
    min-height: 46px;
    margin-top: 16px;
    font-size: 0.95rem;
  }

  .hero__inner::before {
    position: absolute;
    z-index: 1;
    inset: 0 auto 0 0;
    left: 50%;
    width: 35%;
    background: linear-gradient(90deg, #fff 0%, rgba(255, 255, 255, 0.88) 22%, rgba(255, 255, 255, 0) 100%);
    content: "";
  }

  .client-logos__title {
    margin-bottom: 10px;
    font-size: 0.92rem;
  }

  .client-logos__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 7px;
  }

  .reasons__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
  }

  .reason-card {
    min-height: 294px;
    padding: 18px 12px 20px;
  }

  .reason-card__number {
    top: 12px;
    left: 14px;
    font-size: 0.9rem;
  }

  .reason-card__icon {
    width: 64px;
    height: 64px;
  }

  .reason-card__icon img {
    width: 42px;
    height: 47px;
  }

  .reason-card h3 {
    min-height: 59px;
    margin-bottom: 12px;
    font-size: 0.98rem;
    line-height: 1.55;
  }

  .reason-card p {
    padding-top: 13px;
    font-size: 0.71rem;
    line-height: 1.75;
  }

  .button {
    min-height: 48px;
  }

  .cta-band {
    padding-block: 24px;
  }

  .cta-band .button,
  .consultation__cta .button {
    width: 350px;
  }

  .ppa-diagram {
    display: grid;
    grid-template-columns: 160px 1fr 160px 1fr 160px;
    align-items: center;
    margin-top: 22px;
  }

  .ppa-node {
    width: 160px;
  }

  .ppa-node img {
    width: 115px;
    height: 105px;
  }

  .ppa-connector {
    width: 100%;
    height: 66px;
    margin: 0;
  }

  .ppa-connector__line {
    left: 8px;
    width: calc(100% - 16px);
    height: 3px;
  }

  .ppa-connector__line::after {
    top: -3px;
    right: 0;
    bottom: auto;
    left: auto;
    border: 0;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
    transform: rotate(45deg);
  }

  .ppa-connector__line--power {
    top: 11px;
  }

  .ppa-connector__line--value {
    top: 31px;
  }

  .ppa-connector__line--money {
    top: 51px;
  }

  .ppa-connector__line--money::after {
    top: -3px;
    right: auto;
    left: 0;
    border: 0;
    border-bottom: 2px solid currentColor;
    border-left: 2px solid currentColor;
    transform: rotate(45deg);
  }

  .ppa-legend {
    margin-top: 18px;
    margin-bottom: 34px;
  }

  .merits-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
  }

  .merits-grid li {
    min-height: 58px;
    padding: 10px 8px;
    font-size: 0.72rem;
  }

  .comparison-mobile {
    display: none;
  }

  .comparison-table-wrap {
    display: block;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: #fff;
  }

  .comparison-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 1rem;
    line-height: 1.45;
  }

  .comparison-table th,
  .comparison-table td {
    height: 66px;
    padding: 10px 8px;
    border-right: 1px solid #e0e5e2;
    border-bottom: 1px solid #e0e5e2;
    text-align: center;
    vertical-align: middle;
  }

  .comparison-table tr:last-child th,
  .comparison-table tr:last-child td {
    border-bottom: 0;
  }

  .comparison-table th:last-child,
  .comparison-table td:last-child {
    border-right: 0;
  }

  .comparison-table thead th {
    color: #1d2922;
    background: #f1f3f2;
    font-size: 1rem;
    font-weight: 800;
  }

  .comparison-table thead tr:first-child th:first-child {
    width: 220px;
    color: #fff;
    background: var(--color-green);
  }

  .comparison-table thead .comparison-table__featured {
    color: var(--color-green-dark);
    background: #fff;
    box-shadow: inset 1px 0 #2f934e, inset -1px 0 #2f934e;
  }

  .comparison-table thead tr:first-child .comparison-table__featured {
    color: #fff;
    background: #278a3c;
  }

  .comparison-table tbody th {
    display: flex;
    align-items: center;
    height: 66px;
    gap: 10px;
    padding-left: 16px;
    font-weight: 700;
    text-align: left;
  }

  .comparison-table tbody th img {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    object-fit: contain;
  }

  .comparison-table__featured {
    background: #fff;
    box-shadow: inset 1px 0 #2f934e, inset -1px 0 #2f934e;
  }

  .comparison-table__emphasis {
    color: var(--color-green);
    font-weight: 800;
  }

  .comparison-table__mark {
    font-size: 1.35rem;
  }

  .checkpoints-list__header {
    display: grid;
    grid-template-columns: 39% 61%;
    color: #fff;
    background: var(--color-border);
    font-size: 1rem;
    font-weight: 800;
    text-align: center;
  }

  .checkpoints-list__header span {
    padding: 10px;
    background: var(--color-green);
  }

  .checkpoints-list__header span + span {
    border-left: 1px solid rgba(255, 255, 255, 0.45);
  }

  .checkpoint-row {
    display: grid;
    grid-template-columns: 39% 61%;
    min-height: 66px;
    padding: 0;
  }

  .checkpoint-row h3,
  .checkpoint-row p {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 10px 30px;
  }

  .checkpoint-row__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .checkpoint-row__content p {
    padding-bottom: 0;
  }

  .checkpoint-row__content .list-wrap {
    margin-top: 2px;
    padding: 0 30px 10px;
  }

  .checkpoint-row h3 {
    border-right: 1px solid var(--color-border);
    font-size: 1rem;
  }

  .checkpoint-row p {
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .checkpoint-row h3 img {
    width: 40px;
    height: 40px;
  }

  .checkpoint-row__check {
    width: 19px;
    height: 19px;
  }

  .process-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    margin-top: 8px;
  }

  .process-step {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 180px;
    gap: 9px;
    text-align: center;
  }

  .process-step:not(:last-child)::after {
    top: 88px;
    right: -20px;
    bottom: auto;
    left: auto;
    width: 40px;
    height: 1px;
    border: 0;
    border-top: 3px dotted #58a273;
  }

  .process-step:not(:last-child)::before {
    position: absolute;
    z-index: 1;
    top: 84px;
    right: -22px;
    width: 8px;
    height: 8px;
    border-top: 2px solid #58a273;
    border-right: 2px solid #58a273;
    content: "";
    transform: rotate(45deg);
  }

  .process-step img {
    width: 84px;
    height: 76px;
  }

  .process-step p {
    font-size: 0.78rem;
  }

  .process__note {
    margin-top: 4px;
    padding-block: 10px;
    font-size: 0.86rem;
  }

  .accordion summary,
  .accordion--placeholder {
    min-height: 43px;
  }

  .accordion summary {
    padding-block: 9px;
    font-size: 0.76rem;
  }

  .consultation__faq-title {
    margin-top: 34px;
  }

  .consultation__cta {
    margin-top: 8px;
    padding-block: 18px;
  }

  .download__grid {
    grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);
    align-items: center;
    gap: 28px;
  }

  .document-stack {
    width: min(100%, 640px);
  }

  .download__lead {
    font-size: 1.1rem;
  }

  .download__content ul {
    font-size: 0.85rem;
  }

  .download__content .button {
    width: 238px;
    min-height: 40px;
    padding-inline: 18px 40px;
    font-size: 0.88rem;
  }

  .site-footer {
    padding-block: 16px;
  }

  .site-footer__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 24px;
    text-align: left;
  }

  .site-footer__inner > p {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
  }

  .util-pc-hidden{
    display: none;
  }

.checkpoint-row h3 {
  gap: 30px;
}

.checkpoint-row__check::after {
  position: absolute;
  top: -11px;
  left: 12px;
  width: 12px;
  height: 30px;
  border-right: 3px solid var(--color-green);
  border-bottom: 3px solid var(--color-green);
  content: "";
  transform: rotate(42deg);
}

  .checkpoints-list__header span {
    padding: 8px;
  }

  .checkpoint-row__check {
    width: 30px;
    height: 30px;
  }
}

/* ==============================
   Visual alignment corrections
   元デザインとの比較に基づく最終調整
============================== */
.brand__logo {
  width: 214px;
  height: 32px;
  object-fit: contain;
  opacity: 1;
  filter: brightness(0) saturate(100%) invert(34%) sepia(97%) saturate(1487%) hue-rotate(173deg) brightness(91%) contrast(101%);
}

.brand {
  width: 214px;
  height: 32px;
  background: transparent;
  -webkit-mask: none;
  mask: none;
}

.section {
  padding-block: 48px;
}

.section--compact {
  padding-block: 20px 42px;
}

.checkpoints.section {
  padding-bottom: 36px;
}

.process.section {
  padding-block: 36px;
}

.faq.section {
  padding-block: 36px 28px;
}

.download.section {
  padding-block: 28px 48px;
}

.reasons-image,
.ppa-diagram-image {
  display: grid;
  position: relative;
  width: min(100%, 800px);
  aspect-ratio: 800 / 281;
  margin: 0 auto;
  overflow: hidden;
  background: #fff;
  place-items: center;
}

.reasons-image {
  max-width: 800px;
}

.reasons-image picture {
  display: block;
  width: 100%;
  height: 100%;
}

.ppa-diagram-image {
  max-width: 800px;
  margin-top: 18px;
}

.reasons-image img,
.ppa-diagram-image img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: auto;
  object-fit: contain;
  transform: translate(-50%, -50%);
}

.reasons-image img {
  position: static;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
  transform: none;
}

.ppa-diagram-image img {
  width: auto;
  max-width: 1200px;
  height: min(100%, 275px);
}

.merits-grid li {
  display: grid;
  min-height: 72px;
  padding: 12px 10px;
  font-size: 0.92rem;
  line-height: 1.65;
  place-items: center;
}

/* 画像内の透明余白を考慮し、ロゴ本体のみを縦横比を保って拡大 */
.client-logo {
  position: relative;
}

.client-logo__image > img {
  width: 100%;
}

.faq__cta {
  margin-top: 20px;
  padding: 18px 16px;
}

.faq__cta .button {
  margin-inline: auto;
}

.flow__cta {
  margin-top: 38px;
}

.flow__cta .button {
  margin-inline: auto;
}

.accordion__content {
  padding: 14px 16px;
  border-top: 1px solid #e5eee8;
  background: #fff;
  font-size: 0.82rem;
  line-height: 1.75;
}

.accordion[open] {
  background: #fff;
}

.accordion[open] summary {
  background: #e3f8eb;
}

.accordion__content p {
  margin: 0;
}

.accordion__note {
  display: inline-block;
}

.button--outline::after {
  content: none;
}

.button__download-icon {
  position: absolute;
  top: 50%;
  right: 17px;
  width: 20px;
  height: 20px;
  object-fit: contain;
  transform: translateY(-50%);
}

.site-footer__logo,
.site-footer__brand img {
  width: 214px;
  height: 32px;
  object-fit: contain;
  filter: none;
}

@media (min-width: 880px) {
  .section {
    padding-block: 64px;
  }

  .section--compact {
    padding-block: 18px 48px;
  }

  .section-title {
    margin-bottom: 32px;
    font-size: 2.5rem;
    line-height: 1.3;
  }

  #comparison-title,
  #download-title {
    font-size: 1.8rem;
  }

  #download-title {
    color: var(--color-heading);
  }

  .hero__inner {
    padding: 0 33px 0 107px;
    background-image: url(../../assets/images/generated/hero-wind-solar.webp);
    background-repeat: no-repeat;
    background-position: right center;
    background-size: 50% auto;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__title-kicker {
    font-size: 2.4rem;
  }

  .hero__button {
    width: 390px;
    min-height: 64px;
    margin-top: 26px;
    font-size: 1.1rem;
  }

  .client-logos__title {
    margin-bottom: 14px;
    font-size: 1rem;
  }

  .client-logos__grid {
    gap: 8px;
  }

  .reasons.section {
    padding-block: 64px;
  }

  .reasons-image {
    width: min(100%, 1152px);
    max-width: 1152px;
    aspect-ratio: 1152 / 387;
  }

  .ppa.section,
  .checkpoints.section {
    padding-block: 64px;
  }

  .ppa-diagram-image {
    width: min(100%, 800px);
    max-width: 800px;
    aspect-ratio: 800 / 281;
  }

  .ppa-diagram-image picture {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }

  .ppa-diagram-image img {
    display: block;
    position: static;
    width: 100%;
    max-width: 100%;
    height: 100%;
    object-fit: contain;
    transform: none;
  }

  .cta-band {
    padding-block: 28px;
  }

  .cta-band .button,
  .consultation__cta .button,
  .faq__cta .button,
  .flow__cta .button {
    width: 500px;
    min-height: 64px;
    font-size: 1.1rem;
  }

  .process.section {
    padding-block: 64px;
  }

  .process-list {
    margin-top: 18px;
  }

  .process-step {
    min-height: 220px;
    gap: 12px;
  }

  .process-step__number {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }

  .process-step img {
    width: 104px;
    height: 94px;
  }

  .process-step p {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .process-step:not(:last-child)::after {
    top: 108px;
  }

  .process-step:not(:last-child)::before {
    top: 104px;
  }

  .process__note {
    margin-top: 8px;
    padding-block: 15px;
    font-size: 1rem;
  }

  .faq.section {
    padding-block: 64px 48px;
  }

  .accordion-list {
    gap: 6px;
  }

  .accordion summary,
  .accordion--placeholder {
    min-height: 60px;
  }

  .accordion summary {
    padding: 14px 52px 14px 20px;
    font-size: 1rem;
  }

  .faq__cta {
    margin-top: 28px;
    padding: 24px 16px;
  }

  .flow__cta {
    margin-top: 50px;
  }

  .download.section {
    padding-block: 54px 64px;
  }

  .download__grid {
    margin-top: 8px;
  }

  .site-footer__inner {
    padding-inline: 28px;
  }

  .site-footer {
    width: min(calc(100% - var(--page-gutter)), var(--content-width));
    margin-inline: auto;
    border-radius: var(--radius-small) var(--radius-small) 0 0;
  }

  .client-logos__grid {
    grid-template-columns: repeat(10, minmax(0, 1fr));
  }

  .client-logo {
    grid-column: span 2;
  }

  .merits-grid li {
    min-height: 72px;
    font-size: max(0.9vw, 0.86rem);
    line-height: 1.65;
  }

  .comparison-note {
    margin: 1.5rem 0 0;
    padding: 0;
    font-size: 0.8rem
  }

  .comparison-note > li {
    position: relative;
    padding-left: calc(1em + 10px);
    list-style: none;
  }

  .comparison-note > li > .comparison-note__mark {
    position: absolute;
    top: 0;
    left: 0;
  }

  .comparison-note > li + li {
    margin-top: 1em;
  }
}

/* SPでは比較表の列を保ち、横スクロールで全項目を確認できるようにする */
@media (max-width: 879px) {
  span.hero__title-kicker {
    font-size: 6.2vw;
  }
  .reasons-image,
  .ppa-diagram-image {
    width: min(100%, 345px);
    aspect-ratio: 345 / 728;
  }

  .reasons-image picture,
  .ppa-diagram-image picture {
    display: block;
    width: 100%;
    height: 100%;
  }

  .reasons-image img,
  .ppa-diagram-image img {
    position: static;
    width: 100%;
    max-width: 100%;
    height: 100%;
    object-fit: contain;
    transform: none;
  }

  .comparison-mobile {
    display: none;
  }

  .comparison-table-wrap {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-small);
    background: #fff;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  .comparison-table {
    width: 860px;
    min-width: 860px;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 0.82rem;
    line-height: 1.35;
  }

  .comparison-table th,
  .comparison-table td {
    height: 50px;
    padding: 7px 5px;
    border-right: 1px solid #e0e5e2;
    border-bottom: 1px solid #e0e5e2;
    text-align: center;
    vertical-align: middle;
  }

  .comparison-table tr:last-child th,
  .comparison-table tr:last-child td {
    border-bottom: 0;
  }

  .comparison-table th:last-child,
  .comparison-table td:last-child {
    border-right: 0;
  }

  .comparison-table thead th {
    color: #1d2922;
    background: #f1f3f2;
    font-size: 0.88rem;
    font-weight: 800;
  }

  .comparison-table thead tr:first-child th:first-child {
    width: 170px;
    color: #fff;
    background: var(--color-green);
  }

  .comparison-table thead .comparison-table__featured {
    color: var(--color-green-dark);
    background: #f7fbf8;
    box-shadow: inset 1px 0 #5e9f77, inset -1px 0 #5e9f77;
  }

  .comparison-table thead tr:first-child .comparison-table__featured {
    color: #fff;
    background: #2c8a4e;
  }

  .comparison-table tbody th {
    height: 50px;
    padding-left: 13px;
    font-weight: 700;
    text-align: left;
  }

  .comparison-table tbody th img {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 8px;
    object-fit: contain;
    vertical-align: middle;
  }

  .comparison-table__label {
    display: inline-block;
    line-height: 1.35;
    vertical-align: middle;
  }

  .comparison-table__featured {
    background: #fbfefc;
    box-shadow: inset 1px 0 #5e9f77, inset -1px 0 #5e9f77;
  }

  .comparison-table__emphasis {
    color: var(--color-green);
    font-weight: 800;
  }

  .comparison-table__mark {
    font-size: 1.25rem;
  }

  .comparison-note {
    margin: 1.5rem 0 0;
    padding: 0;
    font-size: 0.8rem
  }

  .comparison-note > li {
    position: relative;
    padding-left: calc(1em + 8px);
    list-style: none;
  }

  .comparison-note > li > .comparison-note__mark {
    position: absolute;
    top: 0;
    left: 0;
  }

  .comparison-note > li + li {
    margin-top: 1em;
  }
}

/* フィジカル／バーチャルの副見出しは同じ背景色で統一 */
.comparison-table thead tr:nth-child(2) .comparison-table__featured {
  color: var(--color-green-dark);
  background: #fff;
}

/* 比較表は一枚画像で表示し、狭い画面では横スクロールに対応 */
.comparison-image-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.comparison-image {
  display: block;
  width: 1200px;
  min-width: 1200px;
  max-width: none;
  height: auto;
}

.comparison-table-wrap,
.comparison-mobile {
  display: none !important;
}

@media (min-width: 1240px) {
  .comparison-image {
    width: 100%;
    min-width: 0;
    max-width: 1200px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}