:root {
  --ink: #17231f;
  --text: #2e3835;
  --muted: #66736f;
  --line: #dfe7e3;
  --paper: #f5f1e8;
  --paper-light: #fbf8f1;
  --white: #fff;
  --green: #15604d;
  --green-dark: #0d3e33;
  --lime: #d7e66c;
  --blue: #315d7c;
  --orange: #c87536;
  --radius: 18px;
  --shadow: 0 18px 45px rgba(16, 42, 35, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper-light);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.82;
  overflow-x: hidden;
}

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

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 52px);
  border-bottom: 1px solid rgba(21, 96, 77, 0.16);
  background: rgba(251, 248, 241, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 21px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  color: var(--green-dark);
  background: var(--lime);
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.6vw, 24px);
  color: #2e453e;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  white-space: nowrap;
}

.nav-contact {
  padding: 9px 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--green-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(21, 96, 77, 0.18);
  border-radius: 50%;
  background: var(--white);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: clamp(620px, 74vh, 760px);
  display: grid;
  align-items: center;
  padding: clamp(60px, 8vw, 96px) 0;
  background: #0d3e33;
}

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

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(10, 31, 26, 0.88) 0%, rgba(10, 31, 26, 0.72) 34%, rgba(10, 31, 26, 0.32) 66%, rgba(10, 31, 26, 0.08) 100%),
    linear-gradient(180deg, rgba(10, 31, 26, 0.18) 0%, rgba(10, 31, 26, 0.42) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.hero-copy {
  position: relative;
  max-width: 980px;
  color: var(--white);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero .eyebrow {
  color: var(--lime);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 980px;
  margin: 0;
  color: var(--white);
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.18;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 780px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.button-primary {
  color: var(--green-dark);
  background: var(--lime);
}

.button-primary:hover {
  background: #e3f079;
}

.button-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.48);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.hero-points li {
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
  font-weight: 700;
}

.section {
  padding: clamp(76px, 9vw, 116px) 0;
  background: var(--white);
}

.section-inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.muted {
  background:
    linear-gradient(90deg, rgba(21, 96, 77, 0.04) 0 1px, transparent 1px 100%),
    var(--paper);
  background-size: 28px 100%;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.32;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.45;
}

.section-heading p:not(.section-kicker),
.intro p,
.two-column p {
  color: var(--muted);
  font-size: 16px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card,
.case-grid article,
.voice-grid blockquote,
.price-box {
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(21, 96, 77, 0.13);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 34px rgba(14, 45, 38, 0.08);
}

.service-card {
  position: relative;
  padding: 28px;
  overflow: hidden;
}

.service-card:nth-child(1) {
  background: var(--green-dark);
  color: var(--white);
}

.service-card p,
.case-grid p,
.price-box p,
.price-box li,
.voice-grid p,
.faq-list p {
  color: var(--muted);
}

.service-card:nth-child(1) p {
  color: rgba(255, 255, 255, 0.86);
}

.service-card:nth-child(1) h3,
.service-card:nth-child(1) .icon {
  color: var(--white);
}

.icon {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 16px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.price-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 18px;
}

.price-box {
  padding: 28px;
}

.price-box.main {
  color: var(--white);
  background: var(--green-dark);
}

.price-box.main h3,
.price-box.main p {
  color: var(--white);
}

.price-large {
  margin: 6px 0 12px;
  color: var(--lime);
  font-size: 29px;
  font-weight: 800;
}

.check-list {
  padding-left: 1.2em;
  margin: 0;
}

.check-list li + li {
  margin-top: 8px;
}

.area-main {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 24px;
  font-weight: 800;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-grid article {
  padding: 28px;
}

.case-grid article:nth-child(2) {
  transform: none;
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.voice-grid blockquote {
  padding: 30px;
  border-left: 6px solid var(--lime);
}

.voice-grid p {
  margin-top: 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
}

.voice-grid cite {
  color: var(--muted);
  font-style: normal;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid rgba(21, 96, 77, 0.14);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 24px rgba(14, 45, 38, 0.06);
}

.faq-list summary {
  padding: 20px 22px;
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.faq-list p {
  margin: 0;
  padding: 0 22px 22px;
}

.company-table {
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(21, 96, 77, 0.15);
  border-radius: var(--radius);
  margin: 0;
  background: var(--white);
}

.company-table div {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  padding: 17px 22px;
  border-bottom: 1px solid var(--line);
}

.company-table div:last-child {
  border-bottom: 0;
}

.company-table dt {
  color: var(--green);
  font-weight: 800;
}

.company-table dd {
  margin: 0;
  color: var(--text);
}

.contact-section {
  position: relative;
  overflow: hidden;
  background: var(--green-dark);
  color: var(--white);
}

.contact-section .section-inner {
  position: relative;
  z-index: 1;
}

.contact-section .section-kicker {
  color: var(--lime);
}

.contact-section h2 {
  color: var(--white);
}

.contact-section p {
  color: rgba(255, 255, 255, 0.82);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1fr);
  gap: clamp(30px, 6vw, 76px);
  align-items: start;
}

.contact-direct {
  display: grid;
  gap: 6px;
  margin-top: 32px;
}

.contact-direct a {
  color: var(--lime);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
}

.contact-direct span {
  color: rgba(255, 255, 255, 0.7);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  border-radius: var(--radius);
  background: #fffdf8;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #18362f;
  font-weight: 800;
}

.contact-form label span {
  display: inline-flex;
  width: fit-content;
  margin-left: 8px;
  padding: 1px 8px;
  border-radius: 999px;
  color: var(--white);
  background: var(--orange);
  font-size: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #c9d5cf;
  border-radius: 12px;
  padding: 13px 14px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(215, 230, 108, 0.45);
  border-color: var(--green);
}

.contact-form textarea {
  resize: vertical;
}

.hp-field {
  position: absolute;
  left: -9999px;
}

.form-message {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 700;
}

.form-message.success {
  color: #15543e;
  background: #e5f5ec;
}

.form-message.error {
  color: #8b2434;
  background: #fff0f2;
}

.site-footer {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.8);
  background: #13231f;
}

.footer-inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.footer-brand {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 22px;
  font-weight: 800;
}

.site-footer p {
  margin: 4px 0;
}

@media (max-width: 1080px) {
  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 74px;
    left: 18px;
    right: 18px;
    display: none;
    padding: 18px;
    border: 1px solid rgba(21, 96, 77, 0.16);
    border-radius: 18px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
    gap: 10px;
  }

  .nav-contact {
    width: fit-content;
  }

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

  .two-column,
  .contact-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
  }

  .site-nav {
    top: 66px;
  }

  .hero {
    min-height: 680px;
    align-items: start;
    padding: 46px 0;
  }

  .hero-content {
    width: min(100% - 32px, 430px);
  }

  .hero-copy {
    max-width: 100%;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(10, 31, 26, 0.84) 0%, rgba(10, 31, 26, 0.58) 58%, rgba(10, 31, 26, 0.34) 100%);
  }

  h1 {
    font-size: clamp(32px, 9.2vw, 40px);
    line-height: 1.24;
  }

  h1 br {
    display: none;
  }

  h2 {
    font-size: clamp(26px, 7.6vw, 34px);
    line-height: 1.42;
  }

  .hero-lead {
    max-width: 21em;
    font-size: 16px;
    line-height: 1.85;
  }

  .section-heading {
    margin-bottom: 28px;
  }

  .section-heading p:not(.section-kicker),
  .intro p,
  .two-column p {
    line-height: 1.9;
  }

  .hero-actions .button {
    width: 100%;
  }

  .company-table div {
    gap: 2px;
  }

  .service-grid,
  .price-layout,
  .case-grid,
  .voice-grid {
    grid-template-columns: 1fr;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .case-grid article:nth-child(2) {
    transform: none;
  }

  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}