/* ===========================
   Dia Feliz — Minimal Warm
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --terra:  #C0392B;
  --coral:  #E76F51;
  --orange: #F4A261;
  --gold:   #E9C46A;
  --cream:  #FFF9F2;
  --paper:  #FBF1E2;
  --ink:    #2A1810;
  --ink-2:  #6B5848;
  --line:   #ECE0D2;
  --white:  #FFFFFF;

  --sans:  'Noto Sans JP', sans-serif;
  --mono:  'Montserrat', sans-serif;
  --ease:  cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.85;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ol, ul { list-style: none; }

.wrap { width: 88%; max-width: 1080px; margin: 0 auto; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 16px;
  display: block;
}

.h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}

/* ========== Header ========== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(255, 249, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease);
}
.site-header.is-scrolled { border-color: var(--line); }
.site-header__inner {
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.brand__sun {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--gold), var(--coral) 75%);
  flex-shrink: 0;
}
.brand small {
  display: block;
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  color: var(--coral);
  margin-top: 2px;
}
.brand__txt { line-height: 1.1; }

.nav-list {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-list a {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
  transition: color 0.25s var(--ease);
}
.nav-list a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--terra);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-list a:hover { color: var(--terra); }
.nav-list a:hover::after { transform: scaleX(1); }

.menu-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--ink);
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.menu-toggle.is-open { background: var(--ink); color: var(--cream); }

/* Mobile menu (hidden by default) */
.overlay-menu {
  position: fixed; inset: 0;
  background: var(--cream);
  z-index: 90;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.overlay-menu.is-open { opacity: 1; pointer-events: auto; }
.overlay-menu ol {
  text-align: center;
  display: flex; flex-direction: column; gap: 28px;
}
.overlay-menu a {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.overlay-menu a:hover { color: var(--terra); }

/* ========== Hero ========== */
.hero {
  padding: 180px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero__inner {
  width: 88%;
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
}
.hero__sun {
  position: absolute;
  top: -20px; right: 0;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--gold) 0%, var(--coral) 60%, var(--terra) 100%);
  opacity: 0.85;
  z-index: -1;
  filter: blur(2px);
}
.hero__copy {
  max-width: 640px;
  position: relative;
}
.hero__title {
  font-size: clamp(2rem, 4.8vw, 3.4rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
}
.hero__title em {
  font-style: normal;
  color: var(--terra);
  border-bottom: 4px solid var(--gold);
  padding-bottom: 4px;
}
.hero__desc {
  font-size: 1rem;
  color: var(--ink-2);
  margin-bottom: 36px;
  max-width: 520px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--ink);
  color: var(--cream);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn::after { content: '→'; transition: transform 0.25s var(--ease); }
.btn:hover { background: var(--terra); }
.btn:hover::after { transform: translateX(4px); }
.btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn--outline:hover { background: var(--ink); color: var(--cream); }

/* ========== Section base ========== */
.section { padding: 100px 0; }
.section--paper { background: var(--paper); }
.section--ink { background: var(--ink); color: var(--cream); }
.section--ink .eyebrow { color: var(--gold); }
.section--ink .h2 { color: var(--cream); }

.section-head {
  margin-bottom: 56px;
  text-align: left;
}

/* ========== Concept ========== */
.concept__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.concept__visual {
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold) 0%, var(--coral) 60%, var(--terra) 100%);
  position: relative;
  max-width: 360px;
}
.concept__lead {
  color: var(--ink-2);
  margin-bottom: 20px;
  font-size: 1rem;
}

/* ========== Services ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px 28px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.service-card:hover {
  border-color: var(--coral);
  transform: translateY(-4px);
}
.service-card__num {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--coral);
  margin-bottom: 18px;
}
.service-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.service-card__desc {
  font-size: 0.9rem;
  color: var(--ink-2);
  line-height: 1.85;
}

/* ========== Company ========== */
.info-list {
  border-top: 1px solid rgba(255, 249, 242, 0.2);
  max-width: 720px;
}
.info-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 249, 242, 0.2);
  align-items: center;
}
.info-row__label {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}
.info-row__value {
  font-size: 1rem;
  color: var(--cream);
}
.info-row__value a { border-bottom: 1px solid currentColor; }
.info-row__value a:hover { color: var(--gold); }

/* ========== Locations ========== */
.loc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.loc-card {
  padding: 28px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  border-top: 3px solid var(--coral);
  transition: transform 0.25s var(--ease);
}
.loc-card:hover { transform: translateY(-4px); }
.loc-card__num {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--coral);
  margin-bottom: 10px;
}
.loc-card__city {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.loc-card__addr {
  font-size: 0.85rem;
  color: var(--ink-2);
  line-height: 1.7;
}

/* ========== Footer ========== */
.site-footer {
  padding: 60px 0 30px;
  background: var(--paper);
  border-top: 1px solid var(--line);
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 36px;
}
.site-footer__contact {
  text-align: right;
  font-size: 0.85rem;
  color: var(--ink-2);
}
.site-footer__contact a {
  display: inline-block;
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.site-footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--ink-2);
}

/* ========== Sub page (Flow) ========== */
.page-sub { padding-top: 80px; }
.page-hero {
  padding: 80px 0 60px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-hero__title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.4;
  margin: 12px 0 16px;
}
.page-hero__desc { color: var(--ink-2); max-width: 560px; }

/* Flow */
.flow {
  padding: 100px 0;
}
.flow__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}
.flow__list::before {
  content: '';
  position: absolute;
  left: 22px; top: 12px; bottom: 12px;
  width: 1px;
  background: var(--line);
}
.flow-step {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  position: relative;
}
.flow-step__num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid var(--coral);
  color: var(--terra);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
}
.flow-step__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.flow-step__desc {
  color: var(--ink-2);
  font-size: 0.92rem;
  margin-bottom: 12px;
}
.flow-step__time {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--coral);
  background: var(--paper);
  padding: 5px 14px;
  border-radius: 999px;
}

/* FAQ */
.faq { padding: 100px 0; }
.faq__list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item__q {
  list-style: none;
  cursor: pointer;
  padding: 22px 8px;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 16px;
}
.faq-item__q::-webkit-details-marker { display: none; }
.faq-item__q::after {
  content: '+';
  margin-left: auto;
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--coral);
  transition: transform 0.25s var(--ease);
}
.faq-item[open] .faq-item__q::after { transform: rotate(45deg); }
.faq-item__a {
  padding: 0 8px 22px 8px;
  color: var(--ink-2);
  font-size: 0.92rem;
  line-height: 1.85;
}

.cta {
  margin-top: 80px;
  padding: 56px 32px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  text-align: center;
}
.cta__title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta__desc { color: var(--ink-2); margin-bottom: 24px; font-size: 0.92rem; }

/* ========== Responsive ========== */
@media (max-width: 880px) {
  .nav-list { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .concept__grid { grid-template-columns: 1fr; gap: 36px; }
  .concept__visual { max-width: 280px; margin: 0 auto; }
  .services-grid { grid-template-columns: 1fr; gap: 16px; }
  .loc-grid { grid-template-columns: 1fr 1fr; }
  .info-row { grid-template-columns: 1fr; gap: 4px; padding: 18px 0; }
  .hero__sun { width: 220px; height: 220px; top: 80px; right: -40px; opacity: 0.55; }
  .site-footer__inner { flex-direction: column; align-items: flex-start; }
  .site-footer__contact { text-align: left; }
}
@media (max-width: 540px) {
  .loc-grid { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .hero { padding: 140px 0 80px; }
  .flow-step { grid-template-columns: 44px 1fr; gap: 18px; }
  .flow__list::before { left: 16px; }
}