/* =========================================================
   Office Assist - style.css
   オンライン秘書・事務代行サービス LP

   COLOR PALETTE
   --color-bg-base:    #FDFBF8  (やわらかい白)
   --color-bg-warm:    #F6F0E6  (ベージュ)
   --color-bg-soft:    #F1ECE3  (淡いベージュグレー)
   --color-line:       #E4DACB  (区切り線)
   --color-accent:     #B08F6A  (テラコッタ寄りのベージュ／CTA)
   --color-accent-dark:#8C6B49  (ホバー時など)
   --color-text-main:  #3E3A33  (本文濃いグレーブラウン)
   --color-text-sub:   #79705F  (サブテキスト)
   ========================================================= */

:root {
  --color-bg-base: #FDFBF8;
  --color-bg-warm: #F6F0E6;
  --color-bg-soft: #F1ECE3;
  --color-line: #E4DACB;
  --color-accent: #B08F6A;
  --color-accent-dark: #8C6B49;
  --color-text-main: #3E3A33;
  --color-text-sub: #79705F;
  --color-white: #FFFFFF;

  --font-serif: 'Shippori Mincho', serif;
  --font-sans: 'Noto Sans JP', sans-serif;

  --max-width: 1080px;
  --radius-card: 16px;
  --radius-btn: 999px;

  --shadow-soft: 0 8px 24px rgba(120, 100, 70, 0.08);
  --shadow-card: 0 4px 16px rgba(120, 100, 70, 0.06);
}

/* ---------- RESET ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  line-height: 1.9;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}

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

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

ul {
  list-style: none;
}

table {
  border-collapse: collapse;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- COMMON TYPOGRAPHY ---------- */
.section-eyebrow {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.28em;
  color: var(--color-accent);
  text-align: center;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 23px;
  text-align: center;
  color: var(--color-text-main);
  letter-spacing: 0.05em;
  margin-bottom: 48px;
}

/* ---------- BUTTON ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.06em;
  padding: 18px 44px;
  border-radius: var(--radius-btn);
  transition: all 0.25s ease;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(120, 100, 70, 0.16);
}

.text-link {
  color: var(--color-accent-dark);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 1px;
  font-size: 14px;
  transition: opacity 0.2s ease;
}

.text-link:hover {
  opacity: 0.7;
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(253, 251, 248, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-main);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-main);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--color-accent);
}

.main-nav .nav-cta {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-weight: 600;
}

.main-nav .nav-cta:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
}

/* =========================================================
   1. HERO
   ========================================================= */
.hero {
  position: relative;
  padding: 96px 24px 100px;
  background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg-base) 100%);
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-size: 14px;
  letter-spacing: 0.22em;
  color: var(--color-accent-dark);
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--color-text-main);
  margin-bottom: 32px;
  letter-spacing: 0.03em;
}

.hero-title-accent {
  color: var(--color-accent);
}

.hero-lead {
  font-size: 16px;
  color: var(--color-text-sub);
  margin-bottom: 44px;
  line-height: 1.9;
}

.hero-deco {
  position: absolute;
  top: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(176, 143, 106, 0.10) 0%, rgba(176, 143, 106, 0) 70%);
  z-index: 1;
}

/* =========================================================
   2. WORRIES
   ========================================================= */
.worries {
  padding: 88px 24px;
  background-color: var(--color-bg-base);
}

.worries .section-inner {
  max-width: 680px;
}

.worries-list {
  margin-bottom: 40px;
}

.worries-list li {
  position: relative;
  font-size: 16px;
  color: var(--color-text-main);
  padding: 18px 8px 18px 36px;
  border-bottom: 1px solid var(--color-line);
}

.worries-list li:first-child {
  border-top: 1px solid var(--color-line);
}

.worry-mark {
  position: absolute;
  left: 8px;
  top: 24px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.worries-lead {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-accent-dark);
  letter-spacing: 0.04em;
}

/* =========================================================
   3. SERVICE
   ========================================================= */
.service {
  padding: 96px 24px;
  background-color: var(--color-bg-warm);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  padding: 36px 30px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-line);
}

.service-card-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-line);
}

.service-card-list li {
  position: relative;
  font-size: 14.5px;
  color: var(--color-text-main);
  padding-left: 18px;
  margin-bottom: 12px;
  line-height: 1.7;
}

.service-card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.service-card-list li:last-child {
  margin-bottom: 0;
}

.service-note {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 2;
}

/* =========================================================
   4. PROFILE
   ========================================================= */
.profile {
  padding: 96px 24px;
  background-color: var(--color-bg-base);
}

.profile-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  max-width: 980px;
}

.profile-photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  background-color: var(--color-bg-soft);
}

.profile-content .section-eyebrow,
.profile-content .section-title {
  text-align: left;
}

.profile-content .section-title {
  margin-bottom: 4px;
}

.profile-name {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-text-sub);
  letter-spacing: 0.1em;
  margin-bottom: 28px;
}

.profile-text {
  font-size: 15px;
  color: var(--color-text-main);
  margin-bottom: 18px;
}

.profile-quote {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-accent-dark);
  padding: 22px 28px;
  background-color: var(--color-bg-warm);
  border-radius: 12px;
  margin: 28px 0;
  letter-spacing: 0.03em;
}

.profile-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--color-line);
}

.profile-detail h3 {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 14px;
  letter-spacing: 0.06em;
}

.profile-detail li {
  font-size: 13.5px;
  color: var(--color-text-sub);
  line-height: 1.8;
  padding-left: 14px;
  position: relative;
}

.profile-detail li::before {
  content: "・";
  position: absolute;
  left: 0;
}

.profile-footnote {
  margin-top: 28px;
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* =========================================================
   5. PRICING
   ========================================================= */
.pricing {
  padding: 96px 24px;
  background-color: var(--color-bg-warm);
  text-align: center;
}

.pricing-sub {
  font-size: 14px;
  color: var(--color-text-sub);
  letter-spacing: 0.1em;
  margin-top: -28px;
  margin-bottom: 28px;
}

.pricing-hero {
  margin-bottom: 12px;
}

.pricing-amount {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-accent-dark);
  letter-spacing: 0.02em;
}

.pricing-yen {
  font-size: 28px;
  font-weight: 600;
  margin-left: 2px;
}

.pricing-tax {
  font-size: 14px;
  color: var(--color-text-sub);
  margin-left: 6px;
}

.pricing-lead {
  font-size: 15px;
  color: var(--color-text-main);
  margin-bottom: 44px;
}

.pricing-table-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}

.pricing-table {
  width: 100%;
  max-width: 520px;
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-line);
}

.pricing-table th,
.pricing-table td {
  padding: 18px 24px;
  font-size: 15px;
  text-align: center;
}

.pricing-table thead th {
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: 0.04em;
}

.pricing-table tbody tr:not(:last-child) td {
  border-bottom: 1px solid var(--color-line);
}

.pricing-table tbody td:first-child {
  color: var(--color-text-sub);
}

.pricing-table tbody td:last-child {
  font-weight: 700;
  color: var(--color-accent-dark);
  font-family: var(--font-serif);
}

.pricing-footnote {
  font-size: 12.5px;
  color: var(--color-text-sub);
  line-height: 2;
}

/* =========================================================
   6. FLOW
   ========================================================= */
.flow {
  padding: 96px 24px;
  background-color: var(--color-bg-base);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.flow-card {
  position: relative;
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 36px 20px 28px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.flow-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}

.flow-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(120, 100, 70, 0.2);
}

.flow-icon {
  width: 56px;
  height: 56px;
  margin: 16px auto 18px;
  color: var(--color-accent-dark);
}

.flow-icon svg {
  width: 100%;
  height: 100%;
}

.flow-card h3 {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
  letter-spacing: 0.03em;
}

.flow-card p {
  font-size: 12.5px;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* =========================================================
   7. FAQ
   ========================================================= */
.faq {
  padding: 96px 24px;
  background-color: var(--color-bg-warm);
}

.faq .section-inner {
  max-width: 760px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 26px 30px;
  box-shadow: var(--shadow-card);
}

.faq-q,
.faq-a {
  font-size: 14.5px;
  line-height: 1.8;
  display: flex;
  gap: 12px;
}

.faq-q {
  color: var(--color-text-main);
  font-weight: 600;
  margin-bottom: 10px;
}

.faq-q span,
.faq-a span {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
}

.faq-q span {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.faq-a {
  color: var(--color-text-sub);
}

.faq-a span {
  background-color: var(--color-bg-soft);
  color: var(--color-accent-dark);
}

/* =========================================================
   8. CONTACT
   ========================================================= */
.contact {
  padding: 100px 24px 110px;
  background-color: var(--color-bg-base);
  text-align: center;
}

.contact-title {
  margin-bottom: 20px;
}

.contact-lead {
  max-width: 560px;
  margin: 0 auto 40px;
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 2;
}

.contact-btn {
  margin-bottom: 56px;
}

.contact-form-embed {
  max-width: 720px;
  margin: 0 auto;
  background-color: var(--color-bg-soft);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-card);
  padding: 16px;
}

.contact-form-placeholder {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--color-white);
  border-radius: 10px;
  padding: 48px 24px;
}

.placeholder-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.placeholder-text {
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.8;
}

.contact-form-embed iframe {
  border-radius: 10px;
  background-color: var(--color-white);
  min-height: 200px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  padding: 48px 24px;
  text-align: center;
  background-color: var(--color-text-main);
  color: var(--color-bg-warm);
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.footer-sub {
  font-size: 13px;
  color: rgba(246, 240, 230, 0.7);
  margin-bottom: 16px;
}

.footer-copy {
  font-size: 12px;
  color: rgba(246, 240, 230, 0.5);
}

/* =========================================================
   RESPONSIVE - TABLET
   ========================================================= */
@media (max-width: 900px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .flow-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .flow-card:nth-child(4),
  .flow-card:nth-child(5) {
    grid-column: span 1;
  }

  .profile-inner {
    grid-template-columns: 1fr;
  }

  .profile-photo {
    max-width: 240px;
    margin: 0 auto;
  }

  .profile-content .section-eyebrow,
  .profile-content .section-title,
  .profile-name {
    text-align: center;
  }
}

/* =========================================================
   RESPONSIVE - MOBILE
   ========================================================= */
@media (max-width: 600px) {
  .header-inner {
    padding: 14px 16px;
    flex-wrap: nowrap;
  }

  .logo {
    font-size: 15px;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .main-nav {
    gap: 10px;
  }

  .main-nav a:not(.nav-cta) {
    font-size: 11.5px;
  }

  .main-nav .nav-cta {
    padding: 7px 12px;
    font-size: 11.5px;
    white-space: nowrap;
  }

  .section-title {
    font-size: 23px;
    margin-bottom: 36px;
  }

  .hero {
    padding: 72px 20px 72px;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-lead {
    font-size: 14.5px;
  }

  .btn {
    padding: 16px 32px;
    font-size: 14.5px;
    width: 100%;
  }

  .worries,
  .service,
  .profile,
  .pricing,
  .flow,
  .faq,
  .contact {
    padding: 64px 20px;
  }

  .worries-list li {
    font-size: 14.5px;
    padding: 16px 4px 16px 30px;
  }

  .service-grid {
    gap: 20px;
  }

  .service-card {
    padding: 28px 24px;
  }

  .profile-detail-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pricing-amount {
    font-size: 38px;
  }

  .pricing-table th,
  .pricing-table td {
    padding: 14px 12px;
    font-size: 13.5px;
  }

  .flow-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .flow-card {
    padding: 32px 20px 24px;
  }

  .faq-item {
    padding: 22px 20px;
  }

  .contact-form-embed iframe {
    height: 600px;
  }
}

@media (max-width: 380px) {
  .header-inner {
    padding: 12px 12px;
    gap: 8px;
  }

  .logo {
    font-size: 13.5px;
  }

  .main-nav {
    gap: 7px;
  }

  .main-nav a:not(.nav-cta) {
    font-size: 10.5px;
  }

  .main-nav .nav-cta {
    padding: 6px 10px;
    font-size: 10.5px;
  }
}

/* ---------- Accessibility: focus states ---------- */
a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 3px;
}