/*
Theme Name: ELARA
Theme URI: https://elara-inc.com
Author: ELARA Inc.
Description: 株式会社ELARA コーポレートサイト用オリジナルテーマ
Version: 1.0
Text Domain: elara
*/

/* ==========================================================
   ELARA Inc. - stylesheet
   ========================================================== */

:root {
  --navy: #0c4a6e;
  --navy-soft: #1382b8;
  --navy-dark: #063247;
  --ink: #123047;
  --paper: #f0fbff;
  --paper-dim: #e1f3fb;
  --line: #cfeaf7;
  --mint: #14b8a6;
  --mint-soft: #5eead4;
  --muted: #5b7c90;
  --placeholder: #9db8c7;
  --white: #ffffff;

  --radius: 14px;
  --radius-lg: 20px;

  --shadow-sm: 0 4px 16px rgba(12, 74, 110, 0.08);
  --shadow-md: 0 12px 32px rgba(12, 74, 110, 0.14);
  --shadow-lg: 0 24px 60px rgba(12, 74, 110, 0.18);

  --container: 100%;

  --font-heading: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.4;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.placeholder { color: var(--placeholder); font-style: italic; }

/* ---------- notice banner ---------- */
.note-banner {
  background: var(--paper-dim);
  border-bottom: 1px solid var(--line);
  color: var(--navy);
  font-size: 0.8rem;
  text-align: center;
  padding: 10px 16px;
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  border: 1.5px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--mint); color: var(--white); box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); opacity: 0.95; }
.btn-ghost { border-color: rgba(255, 255, 255, 0.35); color: var(--white); }
.btn-ghost:hover { border-color: var(--white); transform: translateY(-3px); }
.btn-block { width: 100%; }

/* ---------- header ---------- */
.header {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background:
    radial-gradient(560px 140px at 8% -40%, rgba(94, 234, 212, 0.28), transparent 70%),
    radial-gradient(420px 160px at 92% 140%, rgba(19, 130, 184, 0.55), transparent 70%),
    linear-gradient(115deg, rgba(4, 26, 38, 0.94) 0%, rgba(6, 50, 71, 0.94) 45%, rgba(12, 74, 110, 0.94) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(94, 234, 212, 0.14);
  box-shadow: 0 8px 30px rgba(4, 26, 38, 0.25);
}
.header-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 32px 14px;
}
.header-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo {
  color: var(--white);
  font-family: "Alex Brush", cursive;
  font-weight: 400;
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: 0.02em;
}

.nav { display: flex; align-items: center; justify-content: center; gap: 30px; }
.nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}
.nav-link:hover { color: var(--white); }
.nav-cta {
  background: var(--mint);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.78rem;
}
.nav-cta:hover { opacity: 0.92; }

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}
.menu-btn span {
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(100deg, rgba(4, 26, 38, 0.96) 0%, rgba(6, 50, 71, 0.93) 45%, rgba(12, 74, 110, 0.85) 75%, rgba(19, 130, 184, 0.72) 100%),
    url("https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?auto=format&fit=crop&w=1920&q=80") center / cover no-repeat;
  color: var(--white);
  padding: 150px 0 130px;
  overflow: hidden;
}
.hero-ring {
  position: absolute;
  right: -120px; top: -120px;
  width: 520px; height: 520px;
  border: 1px solid rgba(94, 234, 212, 0.3);
  border-radius: 50%;
}
.hero-ring::before {
  content: "";
  position: absolute;
  inset: -60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94, 234, 212, 0.25), transparent 65%);
}
.hero-inner { max-width: 680px; position: relative; z-index: 1; }
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--mint-soft);
  font-weight: 600;
  margin-bottom: 20px;
  display: inline-block;
}
.hero-title {
  font-size: clamp(1.9rem, 4.2vw, 2.75rem);
  color: var(--white);
  margin-bottom: 26px;
}
.text-accent { color: var(--mint-soft); }
.hero-text {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.15rem;
  line-height: 1.9;
  max-width: 620px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 70px; }

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  max-width: 680px;
  flex-wrap: wrap;
}
.hero-stat { min-width: 140px; }
.hero-stat .num {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.7rem;
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--white);
  margin-bottom: 8px;
  white-space: nowrap;
}
.hero-stat .num .unit {
  font-size: 1rem;
  font-weight: 700;
  margin-left: 2px;
}
.hero-stat .num.num-text {
  font-size: 1.15rem;
  letter-spacing: 0.03em;
}
.hero-stat .num.placeholder { font-size: 1.1rem; color: rgba(255,255,255,0.55); }
.hero-stat p {
  font-size: 0.78rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.03em;
}

/* ---------- section shared ---------- */
section { padding: 100px 0; }
.section-head { max-width: 600px; margin-bottom: 56px; }
.section-eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mint);
  font-weight: 600;
  margin-bottom: 14px;
  display: inline-block;
}
.section-title { font-size: clamp(1.6rem, 3vw, 2rem); color: var(--navy); margin-bottom: 16px; }
.section-lead { color: var(--muted); font-size: 0.95rem; }

/* ---------- reasons ---------- */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.reason-card { background: var(--white); padding: 44px 40px; }
.reason-card .num {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 0.8rem;
  color: var(--mint);
  letter-spacing: 0.1em;
  margin-bottom: 18px;
  display: block;
}
.reason-card h3 { font-size: 1.1rem; margin-bottom: 12px; color: var(--navy); }
.reason-card p { color: var(--muted); font-size: 0.88rem; }

/* ---------- service ---------- */
.service-section { background: var(--white); }
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.service-grid-3 { grid-template-columns: repeat(3, 1fr); }
.service-card {
  background: var(--navy);
  color: var(--white);
  padding: 44px 40px;
  border-radius: var(--radius-lg);
}
.service-card.alt { background: var(--paper); color: var(--ink); border: 1px solid var(--line); }
.service-card .tag {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint-soft);
  font-weight: 700;
  margin-bottom: 18px;
  display: block;
}
.service-card.alt .tag { color: var(--mint); }
.service-card h3 { font-size: 1.3rem; margin-bottom: 14px; }
.service-desc { font-size: 0.88rem; opacity: 0.8; margin-bottom: 28px; }
.service-list li {
  padding: 11px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.88rem;
  display: flex;
  gap: 10px;
}
.service-card.alt .service-list li { border-top: 1px solid var(--line); }
.service-list li::before { content: "—"; color: var(--mint-soft); flex-shrink: 0; }
.service-card.alt .service-list li::before { color: var(--mint); }
.service-note { margin-top: 18px; font-size: 0.8rem; opacity: 0.75; }

/* ---------- SNS / YouTube plan ---------- */
.plan-section { background: var(--paper-dim); }
.plan-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 60px;
}
.plan-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.plan-card.featured {
  border: 2px solid var(--mint);
  box-shadow: var(--shadow-md);
}
.plan-badge {
  position: absolute;
  top: -14px; left: 26px;
  background: var(--mint);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
}
.plan-tag {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
  font-weight: 700;
  margin-bottom: 10px;
}
.plan-card h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 16px; min-height: 2.6em; }
.plan-price {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--navy);
  margin-bottom: 4px;
}
.plan-price span { font-size: 0.85rem; font-weight: 500; color: var(--muted); }
.plan-price-sub { font-size: 0.78rem; color: var(--muted); margin-bottom: 18px; }
.plan-card > .plan-list { margin-top: 18px; }
.plan-list { flex: 1; margin-bottom: 16px; }
.plan-list li {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 0.82rem;
  color: var(--ink);
  border-top: 1px solid var(--line);
}
.plan-list li:first-child { border-top: none; }
.plan-list li::before { content: "・"; position: absolute; left: 0; color: var(--mint); }
.plan-audience {
  font-size: 0.74rem;
  color: var(--muted);
  background: var(--paper);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 12px;
}
.plan-note { font-size: 0.78rem; color: var(--muted); }

.plan-sub-title { font-size: 1.1rem; color: var(--navy); margin-bottom: 20px; }
.single-plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 50px; }
.single-plan-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.single-plan-card h4 { font-size: 0.95rem; color: var(--navy); margin-bottom: 10px; }
.single-plan-price { font-family: var(--font-heading); font-weight: 800; color: var(--mint); font-size: 1.1rem; margin-bottom: 10px; }
.single-plan-card p { font-size: 0.8rem; color: var(--muted); }

.plan-footnotes { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.plan-options, .plan-terms {
  background: var(--white);
  border-radius: var(--radius);
  padding: 26px 28px;
  border: 1px solid var(--line);
}
.plan-options h4, .plan-terms h4 { font-size: 0.9rem; color: var(--navy); margin-bottom: 14px; }
.plan-options li, .plan-terms li {
  font-size: 0.78rem;
  color: var(--muted);
  padding: 6px 0 6px 16px;
  position: relative;
}
.plan-options li::before, .plan-terms li::before { content: "・"; position: absolute; left: 0; color: var(--mint); }

/* ---------- case studies ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.case-card { background: var(--white); padding: 40px; }
.case-card .industry {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
  font-weight: 700;
  margin-bottom: 16px;
  display: block;
}
.case-card h3 { font-size: 1.1rem; color: var(--navy); margin-bottom: 20px; }
.case-card h4 { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.06em; margin: 18px 0 8px; font-weight: 500; }
.case-card ul { font-size: 0.85rem; color: var(--ink); }
.case-card li { padding: 4px 0 4px 16px; position: relative; }
.case-card li::before { content: "・"; position: absolute; left: 0; }
.case-card .result { margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line); }
.case-card .result li { font-weight: 500; }
.case-card .story { margin-top: 18px; font-size: 0.82rem; color: var(--muted); }

.confidentiality {
  margin-top: 48px;
  padding: 28px 32px;
  background: var(--paper-dim);
  border-left: 3px solid var(--mint);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ---------- capability ---------- */
.capability-section { background: var(--white); }
.capability-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cap-card { background: var(--navy); color: var(--white); padding: 32px 26px; min-height: 220px; }
.cap-card.alt { background: var(--navy-soft); }
.cap-card .n {
  color: var(--mint-soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: block;
}
.cap-card h3 { font-size: 0.95rem; margin-bottom: 16px; color: var(--white); }
.cap-card ul { font-size: 0.78rem; opacity: 0.8; }
.cap-card li { padding: 3px 0; }

/* ---------- profile ---------- */
.profile-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.profile-copy .section-title { font-size: 1.8rem; }
.profile-table { font-size: 0.9rem; }
.profile-table tr { border-bottom: 1px solid var(--line); }
.profile-table th {
  text-align: left;
  padding: 18px 24px 18px 0;
  width: 140px;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
  vertical-align: top;
}
.profile-table td { padding: 18px 0; }

.profile-photo {
  margin-top: 36px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
}
.profile-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- contact ---------- */
.contact-section { background: var(--navy); color: var(--white); }
.contact-section .section-title { color: var(--white); }
.contact-section .section-lead { color: rgba(255, 255, 255, 0.6); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.contact-grid-single { grid-template-columns: 1fr; max-width: 640px; margin: 0 auto; }

.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label {
  display: block;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}
.field-label { display: inline; white-space: nowrap; }
.req { color: var(--mint-soft); font-size: 0.7rem; margin-left: 6px; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.9rem;
  padding: 13px 14px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--white);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(255, 255, 255, 0.35); }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--mint-soft);
  background: rgba(255, 255, 255, 0.1);
}
.contact-form textarea { resize: vertical; min-height: 90px; }
.contact-form select option { color: var(--ink); }
.form-block { display: flex; flex-direction: column; gap: 8px; }
.form-note { text-align: center; font-size: 0.82rem; color: var(--mint-soft); min-height: 1em; font-weight: 700; }

/* ---------- Contact Form 7 ---------- */
.wpcf7-form { display: flex; flex-direction: column; gap: 18px; }
.wpcf7-form p { display: contents; }
.wpcf7-form-control-wrap { display: block; margin-top: 8px; }
.wpcf7-not-valid-tip { display: block; color: #ffb4b4; font-size: 0.72rem; margin-top: 6px; font-weight: 500; }
.contact-form .wpcf7-response-output {
  text-align: center;
  font-size: 0.82rem;
  color: var(--mint-soft) !important;
  font-weight: 700;
  border: none !important;
  border-width: 0 !important;
  background: transparent !important;
  border-radius: 0 !important;
  margin: 8px 0 0 !important;
  padding: 0 !important;
}
.wpcf7-form input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 15px 32px;
  border-radius: var(--radius);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  border: 1.5px solid transparent;
  background: var(--mint);
  color: var(--white);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}
.wpcf7-form input[type="submit"]:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); opacity: 0.95; }
.wpcf7-spinner { margin-left: 10px; }

/* ---------- footer ---------- */
.footer { background: var(--navy-dark); color: rgba(255, 255, 255, 0.55); padding: 32px 0; font-size: 0.78rem; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---------- to top ---------- */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--mint);
  border: none;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  z-index: 90;
}
.to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top svg { width: 20px; height: 20px; fill: var(--white); }

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 960px) {
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid-3 { grid-template-columns: 1fr 1fr; }
  .plan-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .header-top { justify-content: flex-start; gap: 14px; }
  .logo { font-size: 2rem; }
  .menu-btn { order: -1; }
  .nav {
    position: fixed; inset: 0; height: 100vh; width: 100vw;
    background: rgba(6, 50, 71, 0.97);
    backdrop-filter: blur(10px);
    flex-direction: column; justify-content: center;
    align-items: center; gap: 30px; padding: 40px;
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
  }
  .nav.open { opacity: 1; visibility: visible; }
  .nav-link { font-size: 1.15rem; }
  .nav-cta { margin-top: 14px; padding: 14px 34px; }
  .menu-btn { display: flex; z-index: 110; position: relative; top: auto; right: auto; transform: none; }

  .reasons-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .single-plan-grid { grid-template-columns: 1fr; }
  .plan-footnotes { grid-template-columns: 1fr; }
  .br-pc { display: none; }
}

@media (max-width: 520px) {
  .capability-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
  section { padding: 70px 0; }
  .header-inner { padding: 16px 20px; }
  .hero { padding: 100px 0 80px; }
}