:root {
  --color-main: #535b51;
  --color-main-deep: #41483f;
  --color-accent: #b16928;
  --color-sub: #adb9b6;
  --color-sub-light: #d9d8bb;
  --color-text: #1f231e;
  --color-bg: #f3f0e8;
  --color-surface: #fcfaf5;
  --color-white: #ffffff;
  --color-line: rgba(83, 91, 81, 0.14);
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.08);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Sans", sans-serif;
  line-height: 1.75;
  word-break: normal;
  overflow-wrap: normal;
}

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

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

.container {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(65, 72, 63, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 82px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.lang-switch a {
  opacity: 0.7;
}

.lang-switch a.is-active,
.lang-switch a:hover,
.lang-switch a:focus-visible {
  opacity: 1;
}

.brand-logo {
  width: min(312px, 42vw);
  height: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.95rem;
}

.site-nav a {
  opacity: 0.88;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  opacity: 1;
}

.hero {
  background:
    linear-gradient(90deg, var(--color-main-deep) 0 68%, transparent 68%),
    var(--color-bg);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.82fr);
  gap: 32px;
  align-items: end;
  padding: 72px 0 48px;
}

.hero-copy {
  padding: 24px 0 12px;
  color: var(--color-white);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
}

h1,
h2 {
  font-family: "Noto Serif JP", "Yu Mincho", serif;
  line-height: 1.2;
}

h1 {
  max-width: 9.4em;
  font-size: clamp(3.4rem, 6.6vw, 5.9rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  word-break: keep-all;
  overflow-wrap: normal;
  line-break: strict;
  text-wrap: balance;
}

.display-line {
  display: block;
  word-break: keep-all;
  overflow-wrap: normal;
}

h2 {
  font-size: clamp(2rem, 4.6vw, 4rem);
  color: var(--color-main-deep);
  word-break: keep-all;
  overflow-wrap: normal;
  line-break: strict;
  text-wrap: balance;
}

h3 {
  color: var(--color-main-deep);
  font-size: 1.14rem;
}

.hero-lead,
.hero-sublead,
.service-card p,
.strength-panels p,
.intro-copy p,
.salon-copy p,
.message-box p,
.contact-panel p,
.hero-note p,
.signal-grid p {
  margin: 0;
}

.hero-lead {
  max-width: 42rem;
  margin-top: 28px;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero-sublead {
  max-width: 40rem;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.72);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.34);
  color: var(--color-white);
}

.hero-aside {
  display: grid;
  gap: 16px;
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center center;
  box-shadow: var(--shadow-soft);
}

.hero-note {
  padding: 18px 20px;
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
}

.hero-note-meta p + p {
  margin-top: 6px;
}

.note-label,
.signal-label {
  margin-bottom: 8px;
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-band {
  background: var(--color-main-deep);
  padding: 0 0 52px;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-grid article {
  padding: 22px 24px 0;
  color: rgba(255, 255, 255, 0.84);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-grid article:last-child {
  border-right: 0;
}

.section {
  padding: 96px 0 0;
}

.dark-section {
  background: var(--color-main-deep);
  color: rgba(255, 255, 255, 0.86);
  padding: 84px 0;
}

.dark-section h2,
.dark-section .eyebrow {
  color: var(--color-white);
}

.intro-layout,
.strengths-layout,
.salon-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: 44px;
  align-items: start;
}

.section-head.narrow {
  max-width: 52rem;
}

.intro-copy p + p,
.salon-copy p + p,
.contact-panel p + p {
  margin-top: 18px;
}

.section-services {
  background: var(--color-surface);
  padding-bottom: 8px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.service-card {
  min-height: 260px;
  padding: 28px;
  background: var(--color-white);
  border-top: 4px solid var(--color-main);
  box-shadow: var(--shadow-soft);
}

.service-card span {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.strengths-section {
  padding-bottom: 8px;
}

.strengths-section .section-head h2 {
  max-width: 6.4em;
  font-size: clamp(2rem, 3.2vw, 3.8rem);
  line-height: 1.18;
}

.strength-panels {
  display: grid;
  gap: 18px;
}

.strength-panels article {
  padding: 24px 26px;
  background: var(--color-white);
  border-left: 4px solid var(--color-main);
  box-shadow: var(--shadow-soft);
}

.section-salon {
  padding-bottom: 8px;
}

.salon-layout {
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
}

.salon-visual img {
  width: 100%;
  aspect-ratio: 4 / 2.6;
  object-fit: cover;
  object-position: center 58%;
  box-shadow: var(--shadow-soft);
}

.message-section {
  padding-bottom: 8px;
}

.message-box {
  padding: 44px;
  background: var(--color-main-deep);
  color: var(--color-white);
}

.message-box h2,
.message-box .eyebrow {
  color: var(--color-white);
}

.message-box p:last-child {
  max-width: 46rem;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.82);
}

.contact-section {
  padding-bottom: 84px;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 28px;
  background: var(--color-white);
  border-top: 4px solid var(--color-main);
  box-shadow: var(--shadow-soft);
}

.contact-intro,
.form-note {
  margin: 0;
}

.form-hidden {
  display: none;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field span {
  color: var(--color-main-deep);
  font-size: 0.92rem;
  font-weight: 700;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(83, 91, 81, 0.18);
  border-radius: 0;
  background: #fffefb;
  color: var(--color-text);
  font: inherit;
}

.form-field textarea {
  resize: vertical;
  min-height: 160px;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(177, 105, 40, 0.28);
  border-color: var(--color-accent);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.button-form {
  background: var(--color-main-deep);
  color: var(--color-white);
}

.contact-link {
  color: var(--color-main-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.site-footer {
  padding: 20px 0 32px;
  border-top: 1px solid rgba(83, 91, 81, 0.12);
  background: var(--color-bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-copy,
.footer-meta {
  margin: 0;
  color: rgba(31, 35, 30, 0.74);
  font-size: 0.92rem;
}

.page-en h1 {
  max-width: 10.5em;
  font-size: clamp(3rem, 5.9vw, 5.2rem);
}

.thanks-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 48px 0;
  background:
    linear-gradient(180deg, rgba(65, 72, 63, 0.9), rgba(65, 72, 63, 0.82)),
    var(--color-main-deep);
}

.thanks-box {
  padding: 40px;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.thanks-box h1 {
  max-width: 100%;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  color: var(--color-main-deep);
}

.thanks-box p + p {
  margin-top: 14px;
}

@media (max-width: 1080px) {
  .hero {
    background: var(--color-main-deep);
  }

  .hero-inner,
  .intro-layout,
  .strengths-layout,
  .salon-layout,
  .contact-layout,
  .services-grid,
  .signal-grid {
    grid-template-columns: 1fr;
  }

  .signal-grid article {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding-bottom: 22px;
  }

  .signal-grid article:last-child {
    border-bottom: 0;
  }

  .hero-visual img {
    aspect-ratio: 4 / 2.8;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  h1 {
    max-width: 10em;
  }

  .section-head.narrow {
    max-width: 100%;
  }

  .strengths-section .section-head h2 {
    max-width: 100%;
    font-size: clamp(1.95rem, 4.4vw, 3.1rem);
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .site-header {
    position: static;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0 20px;
  }

  .site-nav {
    gap: 14px 18px;
  }

  .brand-logo {
    width: min(280px, 72vw);
  }

  .hero-inner {
    padding: 44px 0 36px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding-top: 72px;
  }

  h1,
  h2 {
    text-wrap: pretty;
  }

  .service-card,
  .message-box,
  .contact-form,
  .thanks-box {
    padding: 24px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }
}