:root {
  color-scheme: light;
  --display-font: "Noto Sans JP", sans-serif;
  --serif-font: "Noto Serif JP", serif;
  --number-font: "Montserrat", sans-serif;
  --body-font: "Noto Sans JP", sans-serif;
  --ink: #06283f;
  --ink-soft: #24475d;
  --muted: #657b89;
  --paper: #ffffff;
  --mist: #eef8fb;
  --line: #cfe3e9;
  --aqua: #0f8fb4;
  --aqua-deep: #075d82;
  --green: #2d8f63;
  --green-deep: #116044;
  --amber: #d9952f;
  --coral: #d95445;
  --shadow: 0 22px 70px rgb(6 40 63 / 18%);
  --soft-shadow: 0 14px 36px rgb(6 40 63 / 14%);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  max-width: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #f6fbfc 0%, #edf7f8 48%, #ffffff 100%);
  color: var(--ink);
  font-family: var(--body-font);
  line-height: 1.7;
  letter-spacing: 0;
  max-width: 100%;
  overflow-x: hidden;
}

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

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

.proposal {
  min-height: 100vh;
  overflow: hidden;
  background: #f8fcfd;
}

.site-header {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  min-height: 86px;
  padding: 14px max(26px, calc((100% - 1380px) / 2));
  border-bottom: 1px solid rgb(207 227 233 / 86%);
  background: rgb(255 255 255 / 96%);
  backdrop-filter: blur(14px);
  max-width: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand img {
  width: 238px;
  display: block;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  padding: 4px 0;
}

.site-nav a:hover {
  border-bottom-color: var(--aqua);
  color: var(--aqua-deep);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.tel-box {
  display: grid;
  gap: 1px;
  min-width: 174px;
  border: 1px solid #bcd9e2;
  border-radius: var(--radius);
  background: #f7fcfd;
  padding: 7px 12px;
  line-height: 1.22;
  text-align: center;
  max-width: 100%;
}

.tel-box span {
  color: var(--green-deep);
  font-size: 0.76rem;
  font-weight: 900;
}

.tel-box strong {
  color: var(--ink);
  font-family: var(--number-font);
  font-size: 1.12rem;
  font-weight: 900;
}

.cta-button,
.flow-cta {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--green-deep), var(--green));
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 900;
  padding: 10px 18px;
  box-shadow: 0 12px 26px rgb(17 96 68 / 26%);
  min-width: 0;
  max-width: 100%;
  line-height: 1.3;
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
}

.hero {
  position: relative;
  min-height: 740px;
  isolation: isolate;
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  z-index: -3;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.12) contrast(1.08);
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgb(255 255 255 / 91%) 0%, rgb(255 255 255 / 78%) 36%, rgb(255 255 255 / 28%) 63%, rgb(255 255 255 / 0%) 100%),
    linear-gradient(180deg, rgb(255 255 255 / 0%) 0%, rgb(239 248 250 / 56%) 100%);
}

.hero-inner {
  width: min(1380px, calc(100% - 52px));
  min-height: 740px;
  display: grid;
  grid-template-columns: minmax(480px, 1fr) minmax(424px, 0.78fr);
  align-items: center;
  gap: 38px;
  margin: 0 auto;
  padding: 48px 0 54px;
}

.hero-copy {
  max-width: 710px;
  min-width: 0;
}

.eyebrow {
  width: fit-content;
  margin: 0 0 18px;
  border: 1px solid rgb(15 143 180 / 28%);
  border-radius: 999px;
  background: rgb(255 255 255 / 84%);
  color: var(--aqua-deep);
  font-size: 0.9rem;
  font-weight: 900;
  padding: 7px 17px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  color: var(--ink);
  font-family: var(--display-font);
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.16;
  line-break: strict;
  overflow-wrap: anywhere;
}

h1 span {
  display: block;
  font-family: var(--serif-font);
  font-size: 3.1rem;
  font-weight: 700;
}

.lead {
  max-width: 620px;
  margin-bottom: 26px;
  color: var(--ink-soft);
  font-size: 1.04rem;
  font-weight: 500;
}

.price-hero {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 650px;
  margin-bottom: 18px;
}

.price-hero > div {
  border: 1px solid rgb(188 217 226 / 92%);
  border-radius: var(--radius);
  background: rgb(255 255 255 / 90%);
  box-shadow: var(--soft-shadow);
  padding: 14px 16px 15px;
}

.price-hero span,
.price-lines span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.price-hero strong {
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: var(--ink);
  font-family: var(--number-font);
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1.05;
}

.price-hero b {
  color: var(--coral);
  font-size: 2.25rem;
}

.price-hero small {
  color: var(--ink-soft);
  font-family: var(--display-font);
  font-size: 0.78rem;
  font-weight: 900;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 8px;
}

.hero-badges span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  min-height: 36px;
  border: 1px solid rgb(17 96 68 / 22%);
  border-radius: 999px;
  background: rgb(255 255 255 / 88%);
  color: var(--green-deep);
  font-size: 0.86rem;
  font-weight: 900;
  padding: 6px 14px;
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
}

.hero-badges span:last-child {
  border-color: rgb(217 84 69 / 28%);
  background: #fff7f4;
  color: #ae3e34;
}

.subsidy-note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
}

.product-panel {
  display: grid;
  gap: 12px;
  min-width: 0;
  align-self: center;
}

.product-card {
  position: relative;
  display: grid;
  gap: 10px;
  border: 1px solid rgb(203 225 231 / 94%);
  border-radius: var(--radius);
  background: rgb(255 255 255 / 96%);
  box-shadow: var(--soft-shadow);
  padding: 14px;
  min-width: 0;
}

.product-card--featured {
  border-color: rgb(217 84 69 / 38%);
  box-shadow:
    inset 0 0 0 3px rgb(217 84 69 / 8%),
    var(--soft-shadow);
}

.card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 30px;
}

.maker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: var(--radius);
  background: var(--mist);
  color: var(--aqua-deep);
  font-family: var(--number-font);
  font-size: 0.84rem;
  font-weight: 900;
  padding: 4px 9px;
}

.maker--corona {
  color: #17356b;
}

.maker--hitachi {
  color: #c9223b;
}

.maker--panasonic {
  color: #0a5fa9;
}

.popular-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(135deg, #fff1d3, #ffd77a);
  color: #7c5113;
  font-size: 0.78rem;
  font-weight: 900;
  padding: 5px 10px;
}

.card-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 112px;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.card-main > div {
  min-width: 0;
}

.card-main h2 {
  margin-bottom: 2px;
  color: var(--ink);
  font-family: var(--number-font);
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.2;
}

.card-main p {
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.card-main ul {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card-main li {
  border: 1px solid #dcebf0;
  border-radius: 999px;
  background: #f8fcfd;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
}

.card-main img {
  width: 112px;
  max-width: 100%;
  height: 124px;
  object-fit: contain;
  justify-self: end;
  filter: drop-shadow(0 8px 14px rgb(6 40 63 / 14%));
}

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

.price-lines p {
  min-width: 0;
  min-height: 56px;
  display: grid;
  align-content: center;
  gap: 2px;
  margin: 0;
  border-radius: var(--radius);
  background: #f7fbfc;
  padding: 8px 10px;
}

.price-lines strong {
  color: var(--ink);
  font-family: var(--number-font);
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.price-lines small {
  color: var(--muted);
  font-family: var(--display-font);
  font-size: 0.66rem;
  font-weight: 900;
}

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

.more-products span {
  display: grid;
  gap: 2px;
  min-width: 0;
  border: 1px solid #d7e8ee;
  border-radius: var(--radius);
  background: rgb(255 255 255 / 92%);
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 900;
  padding: 10px 12px;
}

.more-products strong {
  color: var(--coral);
  font-family: var(--number-font);
  font-size: 1rem;
  font-weight: 900;
  overflow-wrap: anywhere;
}

.photo-flow,
.reasons {
  position: relative;
  width: min(1380px, calc(100% - 52px));
  margin: 0 auto;
  padding: 42px 0;
}

.photo-flow {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  border-top: 1px solid var(--line);
}

.section-heading p {
  margin-bottom: 8px;
  color: var(--aqua-deep);
  font-size: 0.84rem;
  font-weight: 900;
}

.section-heading h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-family: var(--serif-font);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.38;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  min-height: 148px;
  display: grid;
  align-content: start;
  gap: 6px;
  border: 1px solid #d6e9ee;
  border-radius: var(--radius);
  background: #ffffff;
  padding: 18px;
  box-shadow: 0 10px 24px rgb(6 40 63 / 8%);
}

.flow-list span {
  color: var(--amber);
  font-family: var(--number-font);
  font-size: 0.78rem;
  font-weight: 900;
}

.flow-list strong {
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 900;
}

.flow-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.flow-cta {
  min-width: 154px;
  white-space: nowrap;
}

.reasons {
  border-top: 1px solid var(--line);
}

.reasons > .section-heading {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  align-items: end;
  gap: 20px;
  margin-bottom: 22px;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.reason-grid article {
  min-height: 190px;
  border: 1px solid #d5e8ee;
  border-radius: var(--radius);
  background: #ffffff;
  padding: 20px;
  box-shadow: 0 10px 24px rgb(6 40 63 / 8%);
}

.reason-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: #e9f7f2;
  color: var(--green-deep);
}

.reason-icon svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.reason-grid h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 900;
}

.reason-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.staff-placeholder {
  width: 244px;
  height: 138px;
  display: none;
  place-items: center;
  margin-top: 18px;
  border: 1px dashed #aac7d1;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgb(255 255 255 / 82%), rgb(239 248 250 / 82%));
  color: var(--muted);
  font-family: var(--number-font);
  font-size: 0.78rem;
  font-weight: 900;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto 1fr;
  }

  .site-nav {
    display: none;
  }

  .header-actions {
    justify-content: flex-end;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    padding-top: 54px;
  }

  .hero-copy {
    max-width: 820px;
  }

  .product-panel {
    max-width: 820px;
  }

  .photo-flow {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .flow-cta {
    width: fit-content;
  }

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

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px 18px;
    overflow: hidden;
  }

  .brand img {
    width: 214px;
    max-width: 100%;
  }

  .header-actions {
    justify-content: stretch;
    width: 100%;
    flex-wrap: wrap;
  }

  .tel-box,
  .cta-button {
    flex: 1;
    min-width: 0;
  }

  .tel-box {
    min-width: min(174px, 100%);
  }

  .tel-box strong {
    font-size: 0.98rem;
  }

  .cta-button {
    padding-inline: 12px;
  }

  .hero {
    min-height: 0;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgb(255 255 255 / 97%) 0%, rgb(255 255 255 / 90%) 50%, rgb(238 248 251 / 94%) 100%);
  }

  .hero-inner,
  .photo-flow,
  .reasons {
    width: calc(100% - 28px);
    max-width: 1380px;
  }

  .hero-inner {
    min-height: 0;
    padding: 34px 0 38px;
  }

  .eyebrow {
    font-size: 0.8rem;
  }

  h1 {
    font-size: 2.2rem;
  }

  h1 span {
    font-size: 1.94rem;
  }

  .lead {
    font-size: 0.94rem;
  }

  .price-hero,
  .price-lines,
  .more-products,
  .flow-list,
  .reason-grid,
  .reasons > .section-heading {
    grid-template-columns: 1fr;
  }

  .product-card {
    padding: 13px;
    max-width: 100%;
  }

  .card-main {
    grid-template-columns: minmax(0, 1fr) 96px;
  }

  .card-main img {
    width: 96px;
    max-width: 100%;
    height: 110px;
  }

  .photo-flow,
  .reasons {
    padding: 30px 0;
  }

  .section-heading h2 {
    font-size: 1.42rem;
  }

  .flow-list li,
  .reason-grid article {
    min-height: 0;
  }

  .flow-cta {
    width: 100%;
  }

  .staff-placeholder {
    width: 100%;
  }
}

@media (max-width: 460px) {
  .header-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .tel-box,
  .cta-button {
    width: 100%;
  }

  h1 {
    font-size: 1.86rem;
  }

  h1 span {
    font-size: 1.64rem;
  }

  .hero-badges span {
    width: 100%;
    justify-content: center;
  }

  .card-main {
    grid-template-columns: 1fr;
  }

  .card-main img {
    width: min(148px, 100%);
    height: auto;
    justify-self: center;
  }
}

@media (max-width: 430px) {
  .site-header {
    padding-inline: 14px;
  }

  .hero-inner,
  .photo-flow,
  .reasons {
    width: calc(100% - 24px);
  }

  .brand img {
    width: min(204px, 100%);
  }

  .eyebrow {
    max-width: 100%;
    white-space: normal;
  }

  .price-hero > div,
  .price-lines p,
  .more-products span {
    padding-inline: 10px;
  }

  .product-card {
    padding: 12px;
  }
}
