@charset "UTF-8";

/* ============================
   Base / Reset
============================ */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", "Hiragino Sans", sans-serif;
  color: #333;
  line-height: 1.8;
  background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

:root {
  --navy: #0b5c8a;
  --navy-dark: #064063;
  --orange: #f39800;
  --orange-dark: #d98000;
  --red: #e53935;
  --light: #f5f9fc;
  --gray: #f0f0f0;
  --text: #333;
  --max-w: 1100px;
}

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

/* ============================
   Header
============================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  gap: 16px;
}
.header-logo img { height: 50px; width: auto; }
.gnav ul { display: flex; gap: 20px; }
.gnav a { font-size: 14px; font-weight: 600; color: #333; transition: color .2s; }
.gnav a:hover { color: var(--navy); }
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-tel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.2;
}
.header-tel .tel-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  font-family: "Arial Black", sans-serif;
}
.header-tel .tel-hours { font-size: 11px; color: #777; }
.header-btn {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  padding: 10px 18px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 13px;
  transition: background .2s;
}
.header-btn:hover { background: var(--orange-dark); }

/* Burger */
.burger {
  display: none;
  background: none;
  border: 0;
  width: 36px;
  height: 36px;
  cursor: pointer;
  position: relative;
}
.burger span {
  position: absolute;
  left: 6px;
  right: 6px;
  height: 3px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform .3s, opacity .2s;
}
.burger span:nth-child(1) { top: 10px; }
.burger span:nth-child(2) { top: 17px; }
.burger span:nth-child(3) { top: 24px; }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================
   Hero
============================ */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(74,170,220,0.55) 0%, rgba(135,206,235,0.45) 100%),
              url("../image/hero-bg.png") center/cover no-repeat;
  color: #fff;
  padding: 80px 20px 100px;
  overflow: hidden;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero-copy .hero-mini {
  display: inline-block;
  background: #fff59d;
  border-left: 6px solid var(--orange);
  padding: 10px 22px;
  font-size: 22px;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 20px;
  letter-spacing: 2px;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.hero-copy h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 18px;
  text-shadow: 2px 2px 6px rgba(0,0,0,0.3);
}
.hero-copy h1 .em {
  color: #fff100;
  font-size: 1.2em;
  text-shadow: 2px 2px 6px rgba(0,0,0,0.45);
}
.hero-copy h1 .danger {
  color: #ff1f1f;
  text-shadow: 2px 2px 6px rgba(0,0,0,0.45);
}
.hero-copy h1 .title-top,
.hero-copy h1 .title-bottom { display: block; }
.hero-copy .hero-sub {
  font-size: 16px;
  margin-bottom: 28px;
  color: var(--navy-dark);
  font-weight: 600;
  background: rgba(255,255,255,0.7);
  padding: 14px 18px;
  border-radius: 6px;
  display: inline-block;
}
.hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero-tags li {
  background: #b3e5fc;
  color: var(--navy-dark);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  border: 0;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
  text-align: center;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(243,152,0,0.4); }
.btn-tel { background: var(--navy); color: #fff; }
.btn-tel:hover { background: var(--navy-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(11,92,138,0.4); }
.icon-tel { vertical-align: -3px; margin-right: 6px; }
.btn-ghost { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-ghost:hover { background: #fff; color: var(--navy); }

.hero-visual {
  position: relative;
}
.hero-visual .frame {
  border: 6px solid #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* ============================
   Section common
============================ */
.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 50px; }
.section-head .label {
  display: inline-block;
  color: var(--orange);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: clamp(24px, 3.5vw, 34px);
  color: var(--navy);
  font-weight: 800;
  margin: 0;
  position: relative;
  display: inline-block;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background: var(--orange);
  margin: 12px auto 0;
}

/* ============================
   Strengths
============================ */
.strengths { background: var(--light); }
.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.strength-card {
  background: #fff;
  border-radius: 8px;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: transform .3s, box-shadow .3s;
}
.strength-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0,0,0,0.1); }
.strength-card img { width: 80px; height: 80px; margin: 0 auto 16px; border-radius: 50%; }
.strength-card h3 { color: var(--navy); font-size: 18px; margin: 0 0 10px; }
.strength-card p { font-size: 14px; color: #555; margin: 0; }

/* ============================
   Problem
============================ */
.problem { background: #fff7f0; }
.problem-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.problem-list li {
  background: #fff;
  padding: 16px 20px 16px 50px;
  margin-bottom: 12px;
  border-left: 5px solid var(--red);
  border-radius: 4px;
  position: relative;
  font-weight: 600;
  font-size: 15px;
}
.problem-list li::before {
  content: "✔";
  color: var(--red);
  font-weight: 700;
  position: absolute;
  left: 18px;
  top: 16px;
  font-size: 18px;
}
.problem-img img { border-radius: 8px; box-shadow: 0 10px 24px rgba(0,0,0,0.15); }

.arrow-down {
  text-align: center;
  font-size: 40px;
  color: var(--orange);
  background: #fff7f0;
  padding-bottom: 20px;
  margin-top: -20px;
}

/* ============================
   Solution
============================ */
.solution { background: linear-gradient(180deg, #e8f4fa 0%, #fff 100%); }
.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.solution-points h3 {
  color: var(--navy);
  font-size: 20px;
  margin: 0 0 8px;
  padding-left: 16px;
  border-left: 4px solid var(--orange);
}
.solution-points .point { margin-bottom: 24px; }
.solution-points p { margin: 0; }
.solution-images { display: grid; gap: 16px; }
.solution-images img { border-radius: 8px; box-shadow: 0 8px 20px rgba(0,0,0,0.12); }

.solution-video{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 40px;
}
.solution-video-wrap{
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
}
.solution-video-wrap iframe{
  display: block;
  width: 100%;
  height: 100%;}

/* ============================
   Flow
============================ */
.flow-list { display: grid; gap: 32px; }
.flow-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.flow-row:nth-child(even) .flow-image { order: 2; }
.flow-image img { border-radius: 8px; box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.flow-text .step {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}
.flow-text h3 { color: var(--navy); font-size: 22px; margin: 0 0 10px; }

/* ============================
   Features lineup
============================ */
.features { background: var(--light); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
}
.feature-card img { width: 100%; height: 320px; object-fit: cover; }
.feature-card .body { padding: 20px; }
.feature-card h3 { color: var(--navy); margin: 0 0 8px; font-size: 18px; }
.feature-card p { font-size: 14px; margin: 0; color: #555; }

/* ============================
   FAQ
============================ */
.faq { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%); color: #fff; }
.faq .section-head h2 { color: #fff; }
.faq .section-head h2::after { background: var(--orange); }
.faq .section-head .label { color: var(--orange); }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  padding: 18px 60px 18px 60px;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  user-select: none;
}
.faq-q::before {
  content: "Q";
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  background: var(--navy);
  color: #fff;
  border-radius: 50%;
  text-align: center;
  font-weight: 700;
  line-height: 28px;
  font-size: 14px;
}
.faq-q::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--orange);
  transition: transform .3s;
}
.faq-item.is-open .faq-q::after { content: "−"; transform: translateY(-50%) rotate(180deg); }
.faq-a {
  padding: 0 60px 0 60px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
  position: relative;
  font-size: 15px;
}
.faq-a::before {
  content: "A";
  position: absolute;
  left: 20px;
  top: 18px;
  width: 28px;
  height: 28px;
  background: var(--orange);
  color: #fff;
  border-radius: 50%;
  text-align: center;
  font-weight: 700;
  line-height: 28px;
  font-size: 14px;
}
.faq-item.is-open .faq-a { padding: 18px 60px 22px 60px; max-height: 600px; }

/* ============================
   CTA banner
============================ */
.cta {
  background: linear-gradient(135deg, var(--orange) 0%, #f5a623 100%);
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}
.cta .cta-inner { max-width: 800px; margin: 0 auto; }
.cta h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 12px; font-weight: 800; }
.cta p { margin: 0 0 24px; font-size: 16px; }
.cta-tel-row {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  color: var(--text);
}
.cta-tel-row .tel-big {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 800;
  color: var(--navy);
  font-family: "Arial Black", sans-serif;
  margin-bottom: 6px;
}
.cta-tel-row .tel-big a { display: inline-flex; align-items: center; gap: 8px; }
.cta-tel-row .hours { font-size: 13px; color: #666; margin-bottom: 16px; }

/* ============================
   Voice
============================ */
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.voice-card {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  border-top: 4px solid var(--navy);
}
.voice-card .voice-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.voice-card img { width: 56px; height: 56px; border-radius: 50%; }
.voice-card h4 { margin: 0; color: var(--navy); font-size: 15px; }
.voice-card p { margin: 0; font-size: 14px; }

/* ============================
   Cases (works)
============================ */
.cases { background: #fafafa; }
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.case-card {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: transform .3s;
}
.case-card:hover { transform: translateY(-4px); }
.case-card img { width: 100%; height: 160px; object-fit: cover; }
.case-card .case-body { padding: 12px; }
.case-card h4 { margin: 0 0 4px; color: var(--navy); font-size: 14px; }
.case-card p { margin: 0; font-size: 12px; color: #666; }

/* ============================
   Spec table
============================ */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 30px;
  font-size: 14px;
}
.spec-table th, .spec-table td {
  border: 1px solid #ddd;
  padding: 14px;
  text-align: left;
  vertical-align: top;
}
.spec-table th { background: var(--navy); color: #fff; width: 30%; }
.spec-table tr:nth-child(even) td { background: var(--light); }
.spec-note {
  margin-top: 20px;
  padding: 18px;
  background: #fff7f0;
  border: 2px solid var(--orange);
  border-radius: 8px;
  text-align: center;
  font-weight: 700;
  color: var(--navy);
}
.spec-note .em { color: var(--red); font-size: 1.4em; }

/* ============================
   Footer
============================ */
.footer {
  background: #e8f4fa;
  color: var(--text);
  padding: 50px 20px 20px;
  text-align: center;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; }
.footer img { margin: 0 auto 16px; height: 60px; width: auto; }
.footer h3 { color: var(--navy); font-size: 18px; margin: 0 0 12px; }
.footer p { margin: 4px 0; font-size: 14px; }
.copy {
  margin-top: 30px;
  padding-top: 16px;
  border-top: 1px solid #bcd9e6;
  font-size: 12px;
  color: #5a7a8c;
}

/* ============================
   Floating CTA (mobile)
============================ */
.float-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
  padding: 10px;
  gap: 8px;
}
.float-cta a {
  flex: 1;
  padding: 12px;
  text-align: center;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
}
.float-cta .tel { background: var(--navy); color: #fff; }
.float-cta .form { background: var(--orange); color: #fff; }

/* ============================
   Responsive — Tablet (~960px)
============================ */
@media (max-width: 960px) {
  .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .voice-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
  .problem-inner, .solution-grid { grid-template-columns: 1fr; }
  .flow-row { grid-template-columns: 1fr; }
  .flow-row:nth-child(even) .flow-image { order: 0; }
}

/* ============================
   Responsive — Mobile (~720px)
============================ */
@media (max-width: 720px) {
  .section { padding: 50px 0; }
  .section-head { margin-bottom: 30px; }
  .gnav { display: none; position: absolute; top: 70px; left: 0; right: 0; background: #fff; box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
  .gnav.is-open { display: block; }
  .gnav ul { flex-direction: column; gap: 0; padding: 10px 0; }
  .gnav li { border-bottom: 1px solid #eee; }
  .gnav a { display: block; padding: 14px 20px; }
  .header-cta .header-tel,
  .header-cta .header-btn { display: none; }
  .burger { display: block; }

  .hero { padding: 16px 12px 30px; }
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
      "image"
      "head"
      "subhead"
      "sub"
      "tags"
      "ctas";
    gap: 10px;
    align-items: start;
    position: relative;
  }
  .hero-copy { display: contents; }
  .hero-copy h1 { display: contents; }
  .hero-copy h1 .title-top br { display: none; }
  .hero-copy .hero-mini {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    font-size: 13px;
    padding: 5px 12px;
    letter-spacing: 0.5px;
    margin: 0;
    border-left-width: 4px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  }
  .hero-copy h1 .title-top {
    grid-area: head;
    font-size: 30px;
    line-height: 1.25;
    margin: 0;
    font-weight: 800;
  }
  .hero-copy h1 .title-bottom {
    grid-area: subhead;
    font-size: 22px;
    line-height: 1.35;
    margin: 0;
    font-weight: 800;
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
  }
  .hero-copy h1 .em { font-size: 1.25em; }
  .hero-copy .hero-sub {
    grid-area: sub;
    font-size: 14px;
    margin: 4px 0 0;
    padding: 12px 14px;
    line-height: 1.6;
    display: block;
  }
  .hero-tags {
    grid-area: tags;
    gap: 6px;
    margin: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  .hero-tags::-webkit-scrollbar { display: none; }
  .hero-tags li {
    font-size: 12px;
    padding: 5px 12px;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .hero-ctas {
    grid-area: ctas;
    flex-direction: row;
    gap: 10px;
    margin-top: 6px;
  }
  .hero-ctas .btn {
    flex: 1;
    width: auto;
    padding: 12px 8px;
    font-size: 13px;
  }
  .hero-visual { grid-area: image; align-self: stretch; }
  .hero-visual .frame {
    border-width: 4px;
    transform: none;
    width: 100%;
  }
  .hero-visual .frame img { width: 100%; height: auto; display: block; }

  .strength-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .spec-table { font-size: 13px; }
  .spec-table th, .spec-table td { padding: 10px; word-break: break-word; }

  .float-cta { display: flex; }
  body { padding-bottom: 70px; }
}