/* ===========================
   Variables & Reset
   =========================== */
:root {
  --c-primary:    #f97316;
  --c-primary-d:  #ea580c;
  --c-primary-l:  #fff7ed;
  --c-accent:     #fb923c;
  --c-accent-l:   #ffedd5;
  --c-text:       #1c1412;
  --c-text-mid:   #3d2e28;
  --c-text-mute:  #78624f;
  --c-bg:         #ffffff;
  --c-bg-soft:    #fffaf7;
  --c-border:     #f0e4d8;
  --font:         'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --radius-sm:    6px;
  --radius:       12px;
  --radius-lg:    20px;
  --shadow-sm:    0 1px 2px rgba(0,0,0,.05);
  --shadow:       0 4px 12px rgba(0,0,0,.07);
  --shadow-md:    0 8px 24px rgba(0,0,0,.10);
  --shadow-lg:    0 20px 40px rgba(0,0,0,.10);
  --t:            0.25s ease;
  --max-w:        1100px;
  --pad:          1.5rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); color: var(--c-text); background: var(--c-bg); line-height: 1.75; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===========================
   Utility
   =========================== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: 6rem 0; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header--left { text-align: left; }
.section-label {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .7rem; font-weight: 700; letter-spacing: .18em;
  color: var(--c-primary); text-transform: uppercase; margin-bottom: .75rem;
}
.section-label::before, .section-label::after {
  content: ''; flex: 1; height: 1px; background: var(--c-primary); opacity: .35;
  width: 24px;
}
.section-title { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; letter-spacing: -.02em; color: var(--c-text); }
.pc-only { display: none; }
.sp-only { display: inline; }
@media (min-width: 768px) { .pc-only { display: inline; } .sp-only { display: none; } }

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .75rem 1.75rem; border-radius: 9999px;
  font-weight: 700; font-size: .9rem; letter-spacing: .02em;
  cursor: pointer; transition: all var(--t); border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.btn-primary:hover { background: var(--c-primary-d); border-color: var(--c-primary-d); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(249,115,22,.4); }
.btn-ghost { background: rgba(249,115,22,.08); color: var(--c-primary-d); border-color: rgba(249,115,22,.35); }
.btn-ghost:hover { background: rgba(249,115,22,.15); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--c-primary-d); border-color: #fff; }
.btn-white:hover { background: rgba(255,255,255,.88); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.15); }
.btn-lg { padding: .9rem 2.25rem; font-size: 1rem; }
.btn-full { width: 100%; border-radius: var(--radius); }

/* ===========================
   Header
   =========================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(226,232,240,.8);
  box-shadow: var(--shadow-sm);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: .6rem;
  line-height: 1.15;
}
.logo-text { font-size: 1.35rem; font-weight: 900; color: var(--c-primary); letter-spacing: .04em; }
.logo-sub { font-size: .62rem; color: var(--c-text-mute); letter-spacing: .06em; }

/* Hamburger */
.nav-toggle {
  display: flex; flex-direction: column; justify-content: space-between;
  width: 28px; height: 18px; background: none; border: none; cursor: pointer; padding: 0;
}
.nav-toggle span { display: block; height: 2px; background: var(--c-text); border-radius: 2px; transition: all var(--t); }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Nav */
.site-nav {
  display: none; position: absolute; top: 68px; left: 0; right: 0;
  background: rgba(255,255,255,.97); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border); padding: 1.25rem var(--pad) 1.5rem;
  box-shadow: var(--shadow-md);
}
.site-nav.open { display: block; }
.site-nav ul { display: flex; flex-direction: column; gap: .25rem; }
.site-nav a { display: block; padding: .65rem .75rem; font-weight: 500; font-size: .95rem; border-radius: var(--radius-sm); color: var(--c-text-mid); transition: all var(--t); }
.site-nav a:hover { color: var(--c-primary); background: var(--c-primary-l); }
.site-nav .nav-cta { display: inline-flex; margin-top: .75rem; background: var(--c-primary); color: #fff; padding: .65rem 1.5rem; border-radius: 9999px; }
.site-nav .nav-cta:hover { background: var(--c-primary-d); color: #fff; }

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav { display: flex !important; position: static; background: none; border: none; padding: 0; box-shadow: none; backdrop-filter: none; }
  .site-nav ul { flex-direction: row; align-items: center; gap: .15rem; }
  .site-nav a { padding: .45rem .8rem; font-size: .875rem; }
  .site-nav .nav-cta { margin-top: 0; padding: .45rem 1.25rem; font-size: .875rem; }
}

/* ===========================
   Hero
   =========================== */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  overflow: hidden;
  background: #fffaf7;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 10% 50%, rgba(249,115,22,.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 20%, rgba(251,146,60,.10) 0%, transparent 60%),
    radial-gradient(ellipse 80% 40% at 50% 100%, rgba(234,88,12,.07) 0%, transparent 60%);
}
/* Subtle animated grid */
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(249,115,22,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(249,115,22,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-content { position: relative; z-index: 1; padding-top: 5rem; padding-bottom: 5rem; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: 1.75rem;
}
.hero-eyebrow::before {
  content: ''; width: 28px; height: 1px; background: var(--c-primary); opacity: .5;
}

.hero-title {
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 900; line-height: 1.15; letter-spacing: -.03em;
  color: var(--c-text); margin-bottom: 1.75rem;
}
.hero-title br.sp-only { display: block; }
@media (min-width: 640px) { .hero-title br.sp-only { display: none; } }

/* Keyword highlight */
.hero-title .highlight {
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-d));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.hero-desc {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: var(--c-text-mute); margin-bottom: 2.5rem; max-width: 480px;
  line-height: 1.85;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Scroll hint */
.hero-scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
}
.hero-scroll-hint span {
  width: 1px; height: 56px;
  background: linear-gradient(to bottom, var(--c-primary), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: .3; }
}

/* ===========================
   Services
   =========================== */
.services { background: var(--c-bg-soft); }
.services-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 640px) { .services-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

.service-card {
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 2.25rem 2rem;
  transition: box-shadow var(--t), transform var(--t), border-color var(--t);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--c-primary-d), var(--c-accent));
  opacity: 0; transition: opacity var(--t);
}
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 56px; height: 56px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--c-primary-l), #ffe4c8);
  color: var(--c-primary);
}
.service-icon svg { width: 28px; height: 28px; }
.service-title { font-size: 1.15rem; font-weight: 800; margin-bottom: .75rem; letter-spacing: -.01em; }
.service-desc { font-size: .88rem; color: var(--c-text-mute); margin-bottom: 1.5rem; line-height: 1.8; }
.service-list { display: flex; flex-direction: column; gap: .45rem; }
.service-list li {
  font-size: .83rem; color: var(--c-text-mid);
  padding: .35rem .75rem .35rem 2rem; position: relative;
  background: var(--c-bg-soft); border-radius: var(--radius-sm);
}
.service-list li::before {
  content: ''; position: absolute; left: .75rem; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px; background: var(--c-primary); border-radius: 50%;
}

/* ===========================
   About
   =========================== */
.about { background: var(--c-bg); }
.about-inner { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 768px) { .about-inner { grid-template-columns: 1fr 1fr; gap: 4rem; } }

.about-tagline {
  font-size: 1.2rem; font-weight: 800; color: var(--c-primary);
  margin-bottom: 1.25rem; letter-spacing: -.01em;
  padding-left: 1rem; border-left: 3px solid var(--c-primary);
}
.about-text p { color: var(--c-text-mute); margin-bottom: .9rem; line-height: 1.85; font-size: .95rem; }
.about-text .btn { margin-top: 1.25rem; }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.stat-item {
  border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  padding: 2rem 1.5rem; text-align: center;
  background: linear-gradient(135deg, #fff, var(--c-bg-soft));
  transition: box-shadow var(--t), transform var(--t);
}
.stat-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.stat-number {
  display: block; font-size: 2.8rem; font-weight: 900;
  background: linear-gradient(135deg, var(--c-primary-d), var(--c-accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1.1; margin-bottom: .5rem;
}
.stat-label { font-size: .78rem; color: var(--c-text-mute); font-weight: 600; letter-spacing: .04em; }

/* ===========================
   CTA Section
   =========================== */
.cta-section {
  background: linear-gradient(135deg, #431407 0%, #7c2d12 50%, #9a3412 100%);
  padding: 6rem 0; text-align: center; color: #fff; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 70% at 30% 50%, rgba(251,146,60,.2) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 70% 50%, rgba(249,115,22,.2) 0%, transparent 60%);
}
.cta-section > .container { position: relative; z-index: 1; }
.cta-label {
  font-size: .7rem; font-weight: 700; letter-spacing: .2em; color: rgba(255,255,255,.5);
  margin-bottom: 1rem; display: block;
}
.cta-section h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); font-weight: 900; margin-bottom: 1rem; letter-spacing: -.02em; }
.cta-section p { color: rgba(255,255,255,.65); margin-bottom: 2.5rem; font-size: 1rem; }

/* ===========================
   Footer
   =========================== */
.site-footer { background: #1a0a04; color: rgba(255,255,255,.55); }
.footer-inner {
  display: flex; flex-direction: column; gap: 2rem;
  padding-top: 3.5rem; padding-bottom: 3.5rem;
}
@media (min-width: 640px) { .footer-inner { flex-direction: row; justify-content: space-between; align-items: center; } }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: .78rem; margin-top: .3rem; }
.footer-nav ul { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.footer-nav a { font-size: .85rem; transition: color var(--t); }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 1.25rem var(--pad); text-align: center;
  font-size: .75rem; color: rgba(255,255,255,.3);
}

/* ===========================
   Page Hero (Contact etc)
   =========================== */
.page-hero {
  background: linear-gradient(135deg, #1a0e08 0%, #7c2d12 100%);
  padding: 5.5rem 0 4rem; color: #fff;
}
.page-hero .section-label { color: rgba(255,255,255,.5); }
.page-hero .section-label::before, .page-hero .section-label::after { background: rgba(255,255,255,.25); }
.page-hero h1 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); font-weight: 900; margin: .6rem 0 1rem; letter-spacing: -.03em; }
.page-hero p { color: rgba(255,255,255,.65); font-size: 1rem; }

/* ===========================
   Contact Form
   =========================== */
.contact-section { background: var(--c-bg-soft); }
.contact-inner { max-width: 660px; margin: 0 auto; }
.contact-form {
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 1.75rem;
}
@media (min-width: 640px) { .contact-form { padding: 2.5rem 2.5rem; } }

.form-group { display: flex; flex-direction: column; gap: .55rem; }
.form-group label { font-size: .875rem; font-weight: 700; display: flex; align-items: center; gap: .5rem; }
.required { font-size: .65rem; background: #fef2f2; color: #dc2626; padding: .15em .5em; border-radius: 4px; font-weight: 700; letter-spacing: .04em; }

.form-group input,
.form-group textarea {
  padding: .8rem 1rem; border: 1.5px solid var(--c-border); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .95rem; color: var(--c-text); background: var(--c-bg-soft);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  outline: none; width: 100%;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--c-primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-group textarea { resize: vertical; }
input.error, textarea.error { border-color: #dc2626; background: #fef2f2; }
.field-error { font-size: .78rem; color: #dc2626; min-height: 1.2em; }

.alert {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.5rem; border-radius: var(--radius);
  font-size: .95rem; line-height: 1.7;
}
.alert-success { background: #f0fdf4; border: 1.5px solid #86efac; color: #15803d; }
.alert-success svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: .1rem; }

/* ===========================
   Scroll reveal (JS sets initial state)
   =========================== */

/* ===========================
   Message Page
   =========================== */
.message-inner { max-width: 760px; }

.message-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow);
  position: relative;
}
.message-card::before {
  content: '\201C';
  position: absolute; top: 1.5rem; left: 2rem;
  font-size: 6rem; line-height: 1;
  color: var(--c-primary); opacity: .08;
  font-family: Georgia, serif;
}

.message-tagline {
  font-size: 1.15rem; font-weight: 800;
  color: var(--c-primary); margin-bottom: 2rem;
  padding-left: 1rem; border-left: 3px solid var(--c-primary);
  letter-spacing: -.01em;
}

.message-body p {
  color: var(--c-text-mid); line-height: 2; margin-bottom: 1.25rem;
  font-size: .97rem;
}

.message-sign {
  margin-top: 2.5rem; padding-top: 1.5rem;
  border-top: 1px solid var(--c-border);
  text-align: right;
}
.sign-title { font-size: .85rem; color: var(--c-text-mute); margin-bottom: .3rem; }
.sign-name { font-size: 1.15rem; font-weight: 700; letter-spacing: .04em; }

/* ===========================
   Company Page
   =========================== */
.company-inner { max-width: 760px; }

.company-table-wrap {
  background: var(--c-bg); border: 1px solid var(--c-border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow);
}

.company-table { width: 100%; border-collapse: collapse; }
.company-table tr { border-bottom: 1px solid var(--c-border); }
.company-table tr:last-child { border-bottom: none; }

.company-table th {
  width: 30%; min-width: 110px;
  padding: 1.25rem 1.5rem;
  background: var(--c-bg-soft);
  font-size: .85rem; font-weight: 700;
  color: var(--c-text-mid); text-align: left;
  vertical-align: top;
  border-right: 1px solid var(--c-border);
}

.company-table td {
  padding: 1.25rem 1.5rem;
  font-size: .9rem; color: var(--c-text-mid);
  line-height: 1.75; vertical-align: top;
}

.company-list { display: flex; flex-direction: column; gap: .4rem; }
.company-list li { padding-left: 1rem; position: relative; }
.company-list li::before {
  content: ''; position: absolute; left: 0; top: .65em;
  width: 5px; height: 5px; background: var(--c-primary); border-radius: 50%;
}

.company-cta {
  margin-top: 2.5rem; text-align: center;
  padding: 2.5rem; background: var(--c-bg);
  border: 1px solid var(--c-border); border-radius: var(--radius-lg);
}
.company-cta p { color: var(--c-text-mute); margin-bottom: 1.25rem; font-size: .95rem; }

@media (max-width: 560px) {
  .company-table th, .company-table td { padding: 1rem; }
  .company-table th { width: 35%; min-width: 90px; font-size: .8rem; }
  .company-table td { font-size: .85rem; }
  .message-card { padding: 2rem 1.25rem; }
}

/* ===========================
   Mission / Vision block
   =========================== */
.message-mv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.75rem 0;
}

.mv-item {
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.mv-label {
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--c-primary);
  margin-bottom: .75rem;
}

.mv-text {
  font-size: .92rem;
  color: var(--c-text-mid);
  line-height: 1.8;
  margin-bottom: 0 !important;
}

.mv-item .message-tagline {
  font-size: 1rem;
  margin-bottom: 0;
  padding-left: .85rem;
}

/* ===========================
   Contact (Google Form link)
   =========================== */
.contact-card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 480px;
}

.contact-desc {
  color: var(--c-text-mid);
  font-size: .95rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-card .btn svg {
  width: 16px;
  height: 16px;
  margin-left: .5rem;
  flex-shrink: 0;
}

.contact-note {
  margin-top: 1.25rem;
  font-size: .78rem;
  color: var(--c-text-mute);
}

/* ===========================
   Logo image
   =========================== */
.logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

.about-inner--single { grid-template-columns: 1fr; max-width: 680px; }