html {
  font-size: 100%;
  scroll-behavior: smooth;
}

:root {
  --color-brand: #00125e;
  --color-accent: #e6ff00;
  --color-text: #333333;
  --color-soft-gray: #f7f8fc;
  --color-white: #ffffff;
  --color-border-gray: #e5e7e9;
}

body {
  color: var(--color-text);
  font-family: "LINE Seed JP", sans-serif;
  font-weight: 400;
  font-style: normal;
  line-height: 1.7;
  background-color: var(--color-white);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

/* =========================================
  section
========================================= */
.section {
  padding: 80px 20px;
}

.bg-white {
  background-color: var(--color-white);
}

.bg-soft-gray {
  background-color: var(--color-soft-gray);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 48px;
  line-height: 1.4;
}

.section-title-en {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 800;
  padding: 0;
  margin-bottom: 8px;
  letter-spacing: 0.2em;
}

/* responsive */
@media (max-width: 768px) {
  .section {
    padding: 50px 16px;
  }
  .section-title {
    font-size: 24px;
  }
}

/* =========================================
   button
========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  transition: opacity 0.3s ease;
  cursor: pointer;
  box-sizing: border-box;
}

.btn:hover {
  opacity: 0.8;
}

/* header */
.btn-header {
  background-color: var(--color-brand);
  color: var(--color-white);
  padding: 10px 24px;
  font-size: 14px;
  border-radius: 4px;
  border: 2px solid var(--color-brand);
  transition: all 0.3s ease;
}

.btn-header:hover {
  opacity: 1 !important;
  background-color: var(--color-white);
  color: var(--color-brand);
}

/* fv */
.btn-fv {
  background-color: var(--color-white);
  color: var(--color-brand);
  padding: 16px 60px;
  font-size: 20px;
  border-radius: 4px;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-fv::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 24px;
  width: 12px;
  height: 12px;
  border-top: 3px solid var(--color-brand);
  border-right: 3px solid var(--color-brand);
  transform: translateY(-50%) rotate(45deg);
  transition: right 0.3s ease;
}

.btn-fv:hover {
  opacity: 1 !important;
  background-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.btn-fv:hover::after {
  right: 18px;
}

/* section */
.section-cta {
  text-align: center;
  margin-top: 56px;
}

.speech-bubble {
  display: inline-block;
  background-color: var(--color-white);
  color: var(--color-text);
  border: 1px solid var(--color-brand);
  border-radius: 40px;
  padding: 6px 24px;
  font-size: 14px;
  font-weight: 700;
  position: relative;
  margin-bottom: 16px;
}

.speech-bubble::before,
.speech-bubble::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-style: solid;
}

.speech-bubble::before {
  border-width: 8px 6px 0 6px;
  border-color: var(--color-brand) transparent transparent transparent;
}

.speech-bubble::after {
  border-width: 7px 5px 0 5px;
  border-color: var(--color-white) transparent transparent transparent;
  margin-top: -1.5px;
}

.btn-section {
  background-color: var(--color-brand);
  color: var(--color-white);
  padding: 18px 80px;
  font-size: 20px;
  border-radius: 4px;
  position: relative;
  transition: all 0.3s ease;
}

.btn-section::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 32px;
  width: 10px;
  height: 10px;
  border-top: 3px solid var(--color-white);
  border-right: 3px solid var(--color-white);
  transform: translateY(-50%) rotate(45deg);
  transition: right 0.3s ease;
}

.btn-section:hover {
  background-color: var(--color-white);
  color: var(--color-brand);
  box-shadow: inset 0 0 0 2px var(--color-brand);
}

.btn-section:hover::after {
  border-color: var(--color-brand);
  right: 28px;
}

/* responsive */
@media (max-width: 768px) {
  .btn-section {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
    box-sizing: border-box;
  }
}

/* =========================================
  header
========================================= */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border-gray);
  position: sticky;
  top: 0;
  z-index: 100;
  height: 80px;
  display: flex;
  align-items: center;
}

.header-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.header-logo {
  display: flex;
  align-items: center;
}

.header-logo a {
  display: block;
  line-height: 0;
}

.header-logo img,
.header-logo svg {
  height: 30px;
  width: auto;
  display: block;
}

/* responsive */
@media (max-width: 768px) {
  .header {
    height: 60px;
  }

  .header-inner {
    justify-content: center;
  }

  .header-cta {
    display: none;
  }
}

/* =========================================
   FV
========================================= */
.fv {
  background-image: url("../img/fv-bg.jpg");
  background-size: cover;
  background-position: center;
  padding: 80px 20px 100px;
  text-align: center;
}

.fv-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.fv-catch {
  color: var(--color-white);
  font-size: 44px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 32px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.fv-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin: 0 0 32px 0;
  padding: 0;
  list-style: none;
}

.fv-badges li {
  background-color: var(--color-accent);
  color: var(--color-text);
  padding: 8px 24px;
  border-radius: 40px;
  font-weight: 800;
  font-size: 16px;
}

.fv-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 48px;
}

.fv-sub p {
  background-color: var(--color-brand);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0 8px;
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.text-accent {
  color: var(--color-accent);
}

.fv-illustration {
  width: 600px;
  text-align: center;
  margin: -80px auto 80px;
  position: relative;
  z-index: 10;
}

/* responsive */
@media (max-width: 768px) {
  .fv {
    padding: 60px 16px 80px;
  }
  .fv-catch {
    font-size: 28px;
  }
  .fv-badges li {
    font-size: 14px;
    padding: 6px 16px;
  }
  .fv-sub p {
    text-align: left;
    font-size: 14px;
  }
  .btn-fv {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
  }
  .fv-illustration {
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    margin: -60px auto 60px;
  }
}

/* =========================================
   benefits
========================================= */

.card {
  background-color: var(--color-white);
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  padding: 32px;
}

.card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
}

.marker-bg {
  background: linear-gradient(transparent 40%, var(--color-accent) 40%);
  padding: 0 4px;
}

.card-wide {
  margin-bottom: 32px;
}

.card-wide-content {
  display: flex;
  align-items: center;
  gap: 40px;
}

.card-wide-img {
  flex: 1;
  text-align: center;
}

.card-wide-text {
  flex: 1.2;
}

.card-wide-text p {
  margin-bottom: 24px;
  line-height: 1.8;
}

.card-wide-text p:last-child {
  margin-bottom: 0;
}

.card-row {
  display: flex;
  gap: 24px;
}

.card-row .card {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-img {
  text-align: center;
  margin-bottom: 24px;
}

.card-text {
  margin: 0;
}

/* responsive */
@media (max-width: 768px) {
  .card-wide-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .card-wide-text {
    order: 1;
  }
  .card-wide-img {
    order: 2;
    margin-bottom: 0;
  }

  .card-row {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .card-row .card {
    display: flex;
    flex-direction: column;
  }
  .card-row .card-title {
    order: 1;
    margin-bottom: 16px;
  }
  .card-text {
    order: 2;
    margin-bottom: 24px;
  }
  .card-img {
    order: 3;
    margin-bottom: 0;
  }

  .btn-section {
    width: 100%;
    padding: 16px 20px;
    font-size: 16px;
    box-sizing: border-box;
  }
}

/* =========================================
  location
========================================= */
.location-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.location-box {
  padding: 32px 24px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 24px;
}

.location-text-group {
  display: flex;
  flex-direction: column;
}

.location-title {
  color: var(--color-brand);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
  min-height: 3em;
}

.location-desc {
  font-size: 16px;
  margin-bottom: 0;
  line-height: 1.7;
  min-height: 5.1em;
}

.location-img-wrap {
  margin-bottom: 0;
}

.location-img-wrap img {
  width: 100%;
  display: block;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.location-caption {
  font-size: 11px;
  color: #666;
  text-align: right;
  margin: 4px 0 0 0;
}

.location-points {
  list-style: none;
  padding: 0;
  margin: 0;
}

.location-points li {
  margin-bottom: 20px;
}

.location-points li:last-child {
  margin-bottom: 0;
}

.point-title {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-text);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.point-desc {
  font-size: 15px;
  margin: 0;
}

/* responsive */
@media (max-width: 768px) {
  .location-row {
    grid-template-columns: 1fr;
  }

  .location-box {
    padding: 24px 16px;
  }

  .location-title,
  .location-desc {
    min-height: auto;
  }
}

/* =========================================
  image
========================================= */
.full-width-image {
  width: 100%;
  line-height: 0;
}

.full-width-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* =========================================
  company
========================================= */

.req-wrapper {
  padding: 40px 60px;
  margin-bottom: 64px;
}

.req-list {
  margin: 0;
}

.req-row {
  display: flex;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border-gray);
}

.req-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.req-row:first-child {
  padding-top: 0;
}

.req-row dt {
  width: 200px;
  flex-shrink: 0;
  font-weight: 700;
}

.req-row dd {
  margin: 0;
  flex-grow: 1;
}

.flow-section {
  margin-bottom: 40px;
}

.flow-title {
  font-size: 20px;
  font-weight: 700;
  border-left: 5px solid var(--color-brand);
  padding-left: 12px;
  margin-bottom: 16px;
}

.flow-desc {
  margin-bottom: 64px;
}

.flow-row {
  display: flex;
  gap: 24px;
}

.flow-card {
  flex: 1;
  background-color: var(--color-white);
  border-radius: 8px;
  padding: 40px 24px 32px;
  position: relative;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.flow-badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-brand);
  color: var(--color-white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
}

.flow-card-title {
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
  min-height: 3em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-card-desc {
  margin: 0;
}

/* responsive */
@media (max-width: 768px) {
  .req-wrapper {
    padding: 24px 16px;
  }

  .req-row {
    flex-direction: column;
    padding: 20px 0;
  }

  .req-row dt {
    width: 100%;
    margin-bottom: 16px;
    font-size: 15px;
  }

  .req-row dd {
    font-size: 15px;
    line-height: 1.8;
  }

  .flow-desc {
    margin-bottom: 40px;
  }

  .flow-row {
    flex-direction: column;
    gap: 48px;
  }

  .flow-row .flow-card:first-child {
    margin-top: 24px;
  }
}

/* =========================================
   voice
========================================= */
.voice-container {
  display: flex;
  align-items: flex-start;
  gap: 48px;
  max-width: 960px;
  margin: 0 auto;
}

.voice-img {
  width: 240px;
  flex-shrink: 0;
}

.voice-img img {
  width: 100%;
  display: block;
}

.voice-content {
  flex-grow: 1;
}

.voice-title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 24px;
}

.voice-text p {
  margin-bottom: 16px;
}

.voice-text p:last-child {
  margin-bottom: 0;
}

/* responsive */
@media (max-width: 768px) {
  .voice-container {
    flex-direction: column;
    gap: 32px;
  }

  .voice-img {
    width: 100%;
    max-width: 240px;
    margin: 0 auto;
  }

  .voice-title {
    font-size: 20px;
  }

  .voice-text p {
    font-size: 15px;
    line-height: 1.8;
  }
}

/* =========================================
   company
========================================= */
.company-container {
  display: flex;
  align-items: center;
  gap: 64px;
}

.company-info {
  flex: 1;
}

.company-lead {
  margin-bottom: 24px;
}

.company-logo {
  margin-bottom: 24px;
}

.company-logo img {
  width: 100%;
  max-width: 240px;
  display: block;
}

.company-details {
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.company-message {
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

.company-img {
  width: 50%;
  max-width: 500px;
  flex-shrink: 0;
}

.company-img img {
  width: 100%;
  height: auto;
  display: block;
}

/* responsive */
@media (max-width: 768px) {
  .company-container {
    flex-direction: column;
    gap: 32px;
  }

  .company-lead {
    font-size: 15px;
  }

  .company-img {
    width: 100%;
    max-width: 100%;
  }

  .company-info {
    width: 100%;
  }
}

/* =========================================
   footer
========================================= */
.footer {
  padding: 64px 0;
  text-align: center;
}

.footer-logo {
  margin-bottom: 24px;
}

.footer-logo img {
  height: 40px;
  width: auto;
  display: inline-block;
}

.copyright {
  margin: 0;
}

.copyright small {
  font-size: 12px;
  color: #666;
}

/* responsive */
@media (max-width: 768px) {
  .footer {
    padding: 40px 0;
    border-top: 1px solid var(--color-soft-gray);
  }

  .footer-logo img {
    height: 32px;
  }

  .copyright small {
    font-size: 10px;
  }
}

/* =========================================
   floating btn
========================================= */
.sticky-bottom-btn {
  display: none;
}

/* responsive */
@media (max-width: 768px) {
  .mobile-cta-area {
    display: block;
    background-color: var(--color-white);
    padding: 32px 16px;
  }

  .sticky-bottom-btn {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    border-top: 1px solid var(--color-soft-gray);
    padding: 12px 16px;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.05);
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
  }

  .sticky-bottom-btn.is-show {
    transform: translateY(0);
  }

  .sticky-bottom-btn.is-docked {
    position: static;
    transform: translateY(0);
    box-shadow: none;
    border-top: none;
    background-color: transparent;
    padding: 0;
  }

  .sticky-bottom-btn .btn {
    width: 100%;
    margin: 0;
    padding: 16px;
    font-size: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--color-brand);
    color: var(--color-white);
    border-radius: 4px;
    text-decoration: none;
  }
}