/*
 * kashii-souzoku.css
 * 香椎相続不動産事務所 — 全固定ページ共通スタイル
 * ver 3.0.0
 */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600&family=Noto+Sans+JP:wght@300;400;500&display=swap');

/* =============================================
   CSS変数（デザイントークン）
   ============================================= */
:root {
  --ks-sumi:         #1A2B48;
  --ks-washi:        #F5F0E8;
  --ks-section-bg:   #FAF7F2;
  --ks-kincha:       #B8860B;
  --ks-kincha-light: #D4A843;
  --ks-white:        #FFFFFF;
  --ks-text-main:    #2C3E50;
  --ks-text-sub:     #5C6B7A;
  --ks-border:       #DDD8CE;
  --font-serif:      "Shippori Mincho", "Noto Serif JP", serif;
  --font-sans:       "Noto Sans JP", sans-serif;
  --max-width:       1100px;
  --max-width-text:  760px;
}

/* =============================================
   Section 01 — ヒーロー
   ============================================= */
.ks-hero {
  position: relative;
  min-height: 85vh;
  overflow: hidden;
  font-family: var(--font-sans);
}
.ks-hero-bg {
  position: absolute;
  inset: 0;
  background: var(--ks-sumi);
}
.ks-hero-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.ks-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,18,36,0.93) 0%, rgba(10,18,36,0.78) 55%, rgba(10,18,36,0.15) 100%);
}
.ks-hero-line {
  position: absolute;
  top: 0;
  right: 20%;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent 5%, rgba(184,134,11,0.38) 35%, rgba(184,134,11,0.38) 65%, transparent 95%);
}
.ks-hero-inner {
  position: relative;
  z-index: 3;
  min-height: 85vh;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 52px;
  display: flex;
  align-items: center;
}
.ks-hero-text {
  max-width: 560px;
  padding: 80px 0;
}
.ks-hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--ks-kincha-light);
  border-bottom: 1px solid rgba(184,134,11,0.6);
  display: inline-block;
  padding-bottom: 7px;
  margin-bottom: 30px;
}
.ks-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 500;
  color: var(--ks-white);
  line-height: 2.0;
  letter-spacing: 0.06em;
  margin-bottom: 26px;
}
.ks-hero-title em {
  font-style: normal;
  color: var(--ks-kincha-light);
}
.ks-hero-lead {
  font-size: 0.95rem;
  font-weight: 300;
  color: rgba(245,240,232,0.75);
  line-height: 2.35;
  margin-bottom: 38px;
  border-left: 2px solid rgba(184,134,11,0.4);
  padding-left: 16px;
}
.ks-hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.ks-hero-cta-main {
  display: inline-block;
  padding: 15px 36px;
  background: rgba(184,134,11,0.15);
  border: 1px solid var(--ks-kincha);
  color: var(--ks-kincha-light);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
  white-space: nowrap;
}
.ks-hero-cta-main:hover {
  background: var(--ks-kincha);
  color: var(--ks-white);
}
.ks-hero-cta-sub {
  display: inline-block;
  padding: 15px 28px;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-decoration: none;
  transition: border-color 0.3s, color 0.3s;
  white-space: nowrap;
}
.ks-hero-cta-sub:hover {
  border-color: rgba(255,255,255,0.5);
  color: var(--ks-white);
}
.ks-hero-scroll {
  display: flex;
  align-items: center;
  gap: 10px;
}
.ks-hero-scroll-line {
  width: 40px;
  height: 1px;
  background: rgba(184,134,11,0.5);
}
.ks-hero-scroll-text {
  font-size: 10px;
  letter-spacing: 0.25em;
  color: rgba(184,134,11,0.6);
}

/* =============================================
   共通：セクションラベル
   ============================================= */
.ks-section-label {
  text-align: center;
  margin-bottom: 52px;
}
.ks-section-label-en {
  display: block;
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.32em;
  color: var(--ks-kincha);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.ks-section-label-ja {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 500;
  color: var(--ks-sumi);
  letter-spacing: 0.08em;
  line-height: 1.6;
}

/* =============================================
   Section 02 — お悩みセクション
   ============================================= */
.ks-worry {
  background: var(--ks-white);
  padding: 88px 40px;
  font-family: var(--font-sans);
}
.ks-worry-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ks-worry-item {
  background: var(--ks-section-bg);
  border-top: 3px solid var(--ks-kincha);
  overflow: hidden;
}
.ks-worry-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: var(--ks-border);
}
.ks-worry-body {
  padding: 28px 24px;
}
.ks-worry-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ks-sumi);
  margin-bottom: 12px;
  line-height: 1.8;
}
.ks-worry-text {
  font-size: 0.82rem;
  color: var(--ks-text-sub);
  line-height: 2.1;
}

/* =============================================
   Section 03 — 3つの姿勢
   ============================================= */
.ks-philosophy {
  background: var(--ks-section-bg);
  padding: 88px 40px;
  font-family: var(--font-sans);
}
.ks-philosophy-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.ks-philosophy-item {
  background: var(--ks-white);
  padding: 48px 36px;
  transition: transform 0.3s ease;
}
.ks-philosophy-item:hover {
  transform: translateY(-4px);
}
.ks-philosophy-number {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 400;
  color: var(--ks-border);
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}
.ks-philosophy-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ks-sumi);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  line-height: 1.75;
}
.ks-philosophy-accent {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ks-kincha);
  margin-bottom: 16px;
}
.ks-philosophy-text {
  font-size: 0.82rem;
  color: var(--ks-text-sub);
  line-height: 2.2;
}

/* =============================================
   Section 04 — 私たちにできること
   ============================================= */
.ks-service {
  background: var(--ks-white);
  padding: 88px 40px;
  font-family: var(--font-sans);
}
.ks-service-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ks-service-item {
  background: var(--ks-section-bg);
  overflow: hidden;
  position: relative;
}
.ks-service-item::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ks-kincha);
  transition: width 0.4s ease;
}
.ks-service-item:hover::after {
  width: 100%;
}
.ks-service-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: var(--ks-border);
}
.ks-service-body {
  padding: 28px 24px;
}
.ks-service-tag {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--ks-kincha);
  display: block;
  margin-bottom: 10px;
}
.ks-service-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ks-sumi);
  margin-bottom: 12px;
  line-height: 1.75;
}
.ks-service-text {
  font-size: 0.82rem;
  color: var(--ks-text-sub);
  line-height: 2.1;
}

/* =============================================
   Section 05 — 選ばれる理由
   ============================================= */
.ks-reason {
  background: var(--ks-sumi);
  padding: 88px 40px;
  font-family: var(--font-sans);
}
.ks-reason .ks-section-label-ja {
  color: var(--ks-white);
}
.ks-reason .ks-section-label-en {
  color: var(--ks-kincha-light);
}
.ks-reason-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(184,134,11,0.2);
}
.ks-reason-item {
  background: var(--ks-sumi);
  overflow: hidden;
}
.ks-reason-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  background: #243d5a;
  opacity: 0.85;
}
.ks-reason-body {
  padding: 32px 28px;
  text-align: center;
}
.ks-reason-number {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.28em;
  color: var(--ks-kincha-light);
  display: block;
  margin-bottom: 14px;
}
.ks-reason-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ks-white);
  margin-bottom: 12px;
  line-height: 1.75;
  letter-spacing: 0.04em;
}
.ks-reason-accent {
  display: block;
  width: 20px;
  height: 1px;
  background: rgba(184,134,11,0.5);
  margin: 0 auto 14px;
}
.ks-reason-text {
  font-size: 0.82rem;
  color: rgba(245,240,232,0.65);
  line-height: 2.2;
}

/* =============================================
   Section 06 — メッセージ
   ============================================= */
.ks-message-section {
  background: var(--ks-washi);
  padding: 88px 40px;
  font-family: var(--font-sans);
  position: relative;
  overflow: hidden;
}
.ks-message-section::before {
  content: "想い";
  position: absolute;
  font-family: var(--font-serif);
  font-size: 20rem;
  font-weight: 600;
  color: rgba(26,43,72,0.04);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}
.ks-message-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.ks-message-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.ks-message-img-wrap {
  position: relative;
}
.ks-message-img-wrap::before {
  content: "";
  position: absolute;
  top: -12px;
  left: -12px;
  right: 12px;
  bottom: 12px;
  border: 1px solid rgba(184,134,11,0.35);
  z-index: 0;
}
.ks-message-img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 1;
  background: var(--ks-border);
}
.ks-message-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 500;
  color: var(--ks-sumi);
  line-height: 2.0;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  padding: 28px 28px;
  border: 1px solid var(--ks-border);
  background: var(--ks-white);
}
.ks-message-quote em {
  font-style: normal;
  color: var(--ks-kincha);
}
.ks-message-body {
  font-size: 0.88rem;
  color: var(--ks-text-sub);
  line-height: 2.4;
  margin-bottom: 24px;
}
.ks-message-link {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ks-kincha);
  border-bottom: 1px solid rgba(184,134,11,0.4);
  padding-bottom: 4px;
  text-decoration: none;
}

/* =============================================
   Section 07 — 相談の流れ
   ============================================= */
.ks-flow {
  background: var(--ks-section-bg);
  padding: 88px 40px;
  font-family: var(--font-sans);
}
.ks-flow-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.ks-flow-line {
  position: absolute;
  top: 36px;
  left: calc(12.5% + 4px);
  right: calc(12.5% + 4px);
  height: 1px;
  background: var(--ks-border);
  z-index: 0;
}
.ks-flow-item {
  padding: 0 20px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.ks-flow-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--ks-white);
  border: 1px solid var(--ks-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  gap: 2px;
}
.ks-flow-step-label {
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--ks-kincha);
}
.ks-flow-step-num {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--ks-sumi);
  line-height: 1;
}
.ks-flow-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ks-sumi);
  margin-bottom: 10px;
  letter-spacing: 0.03em;
  line-height: 1.65;
}
.ks-flow-text {
  font-size: 0.8rem;
  color: var(--ks-text-sub);
  line-height: 2.1;
}
.ks-flow-arrow {
  position: absolute;
  top: 22px;
  right: -4px;
  font-size: 18px;
  color: var(--ks-kincha);
  z-index: 2;
}

/* =============================================
   Section 08 — コンテンツナビ
   ============================================= */
.ks-nav-section {
  background: var(--ks-white);
  padding: 88px 40px;
  font-family: var(--font-sans);
}
.ks-nav-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.ks-nav-item {
  display: block;
  text-decoration: none;
  background: var(--ks-section-bg);
  border-bottom: 3px solid transparent;
  overflow: hidden;
  position: relative;
  transition: border-color 0.3s, background 0.3s;
}
.ks-nav-item:hover {
  border-bottom-color: var(--ks-kincha);
  background: var(--ks-washi);
}
.ks-nav-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  background: var(--ks-border);
}
.ks-nav-body {
  padding: 24px 28px 40px;
}
.ks-nav-tag {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--ks-kincha);
  display: block;
  margin-bottom: 8px;
}
.ks-nav-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ks-sumi);
  margin-bottom: 8px;
  line-height: 1.65;
  letter-spacing: 0.03em;
}
.ks-nav-text {
  font-size: 0.8rem;
  color: var(--ks-text-sub);
  line-height: 2.1;
}
.ks-nav-arrow {
  position: absolute;
  bottom: 16px;
  right: 20px;
  font-size: 13px;
  color: var(--ks-kincha);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.3s, transform 0.3s;
}
.ks-nav-item:hover .ks-nav-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* =============================================
   Section 09 — ブログ・最新記事
   ============================================= */
.ks-blog {
  background: var(--ks-section-bg);
  padding: 88px 40px;
  font-family: var(--font-sans);
}
.ks-blog-grid {
  max-width: var(--max-width);
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.ks-blog-item {
  background: var(--ks-white);
  overflow: hidden;
  border-bottom: 3px solid transparent;
  transition: border-color 0.3s;
  text-decoration: none;
  display: block;
}
.ks-blog-item:hover {
  border-bottom-color: var(--ks-kincha);
}
.ks-blog-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  background: var(--ks-border);
}
.ks-blog-body {
  padding: 24px 24px 28px;
}
.ks-blog-cat {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: var(--ks-kincha);
  display: block;
  margin-bottom: 6px;
}
.ks-blog-date {
  font-size: 11px;
  color: #9AA5B0;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 8px;
}
.ks-blog-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ks-sumi);
  margin-bottom: 10px;
  line-height: 1.75;
  letter-spacing: 0.03em;
}
.ks-blog-text {
  font-size: 0.8rem;
  color: var(--ks-text-sub);
  line-height: 2.1;
}
.ks-blog-more {
  text-align: center;
}
.ks-blog-more a {
  display: inline-block;
  padding: 13px 40px;
  border: 1px solid var(--ks-sumi);
  color: var(--ks-sumi);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
}
.ks-blog-more a:hover {
  background: var(--ks-sumi);
  color: var(--ks-white);
}

/* =============================================
   Section 10 — CTA＋事務所情報バー
   ============================================= */
.ks-cta-bar {
  background: var(--ks-kincha);
  padding: 56px 40px;
  text-align: center;
  font-family: var(--font-sans);
}
.ks-cta-title {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 500;
  color: var(--ks-white);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  line-height: 1.7;
}
.ks-cta-sub {
  font-size: 0.88rem;
  font-weight: 300;
  color: rgba(255,255,255,0.82);
  margin-bottom: 32px;
  line-height: 2.0;
}
.ks-cta-btn {
  display: inline-block;
  padding: 16px 52px;
  background: var(--ks-white);
  color: var(--ks-kincha);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-decoration: none;
  transition: opacity 0.3s;
}
.ks-cta-btn:hover {
  opacity: 0.88;
}
.ks-office-bar {
  background: var(--ks-sumi);
  padding: 52px 40px;
  border-top: 1px solid rgba(184,134,11,0.28);
  font-family: var(--font-sans);
}
.ks-office-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.ks-office-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ks-white);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.ks-office-info {
  font-size: 0.8rem;
  font-weight: 300;
  color: rgba(245,240,232,0.55);
  line-height: 2.0;
  letter-spacing: 0.05em;
}
.ks-office-right {
  text-align: right;
}
.ks-office-tel-label {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: var(--ks-kincha-light);
  display: block;
  margin-bottom: 6px;
}
.ks-office-tel {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--ks-kincha-light);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 8px;
  text-decoration: none;
}
.ks-office-hours {
  font-size: 11px;
  font-weight: 300;
  color: rgba(245,240,232,0.45);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 20px;
}
.ks-office-contact-btn {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid rgba(184,134,11,0.5);
  color: var(--ks-kincha-light);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-decoration: none;
  transition: background 0.3s;
}
.ks-office-contact-btn:hover {
  background: rgba(184,134,11,0.15);
}
.ks-copyright {
  background: #111e2e;
  padding: 16px 40px;
  text-align: center;
  font-family: var(--font-sans);
}
.ks-copyright p {
  font-size: 11px;
  font-weight: 300;
  color: rgba(245,240,232,0.3);
  letter-spacing: 0.1em;
}

/* =============================================
   レスポンシブ
   ============================================= */
@media (max-width: 960px) {
  .ks-hero-inner { padding: 0 28px; }
  .ks-hero-btns { flex-direction: column; align-items: flex-start; }
  .ks-worry-grid,
  .ks-philosophy-grid,
  .ks-service-grid,
  .ks-reason-grid,
  .ks-nav-grid,
  .ks-blog-grid { grid-template-columns: 1fr; }
  .ks-flow-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .ks-flow-line { display: none; }
  .ks-flow-arrow { display: none; }
  .ks-message-grid { grid-template-columns: 1fr; gap: 36px; }
  .ks-office-bar-inner { grid-template-columns: 1fr; }
  .ks-office-right { text-align: left; }
}
@media (max-width: 600px) {
  .ks-hero-title { font-size: 1.5rem; }
  .ks-flow-grid { grid-template-columns: 1fr; }
  .ks-worry, .ks-philosophy, .ks-service, .ks-reason,
  .ks-message-section, .ks-flow, .ks-nav-section,
  .ks-blog, .ks-cta-bar, .ks-office-bar { padding: 64px 20px; }
}