/* ===== Variables ===== */
:root {
  --green:        #2F8FE0;
  --green-dark:   #1A6DB5;
  --green-deep:   #0B2D52;
  --green-forest: #154E8A;
  --green-light:  #5DAAEE;
  --green-pale:   #EBF4FD;
  --green-mid:    #BAD9F5;
  --text:         #1A2B3C;
  --text-mid:     #3D5A70;
  --text-light:   #6B85A0;
  --white:        #FFFFFF;
  --off-white:    #F6F9FB;
  --border:       #D0E5F5;
  --shadow:       0 2px 20px rgba(26,109,181,.1);
  --shadow-lg:    0 8px 48px rgba(26,109,181,.16);
  --radius:       4px;
  --font-jp:      'Noto Sans JP', sans-serif;
  --font-en:      'Inter', sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-jp);
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== Container ===== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== Section ===== */
.section { padding: 108px 0; }
.section--pale { background: var(--green-pale); }

/* ===== Section Header ===== */
.section-header {
  text-align: center;
  margin-bottom: 72px;
}
.section-en {
  display: block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .4em;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: 18px;
}
.section-line {
  width: 36px;
  height: 2px;
  background: linear-gradient(to right, var(--green), var(--green-light));
  margin: 0 auto;
  border-radius: 2px;
  position: relative;
}
.section-line::after {
  content: '';
  position: absolute;
  left: 44px; top: 0;
  width: 10px; height: 2px;
  background: var(--green-mid);
  border-radius: 2px;
}
.section-desc {
  margin-top: 20px;
  font-size: 15px;
  color: var(--text-mid);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .05em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .3s ease;
}
.btn--primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn--primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(47,143,224,.38);
}
.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.55);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.9);
}
.btn--outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn--outline:hover {
  background: var(--green);
  color: var(--white);
}
.btn--full { width: 100%; }

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 22px 0;
  transition: background .4s, padding .4s, box-shadow .4s;
}
.nav.scrolled {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(14px);
  padding: 14px 0;
  box-shadow: 0 2px 24px rgba(0,0,0,.08);
}
.nav__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .04em;
  transition: color .4s;
}
.nav.scrolled .nav__logo { color: var(--text); }
.nav__logo-icon { flex-shrink: 0; transition: color .4s; }
.nav__logo-img  { height: 36px; width: auto; object-fit: contain; flex-shrink: 0; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}
.nav__link {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .05em;
  color: rgba(255,255,255,.88);
  transition: color .25s;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1.5px;
  background: var(--green-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s;
}
.nav__link:hover::after { transform: scaleX(1); }
.nav.scrolled .nav__link { color: var(--text-mid); }
.nav.scrolled .nav__link:hover { color: var(--green); }
.nav__link--cta {
  background: var(--green);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: var(--radius);
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { background: var(--green-dark); }
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1100;
}
.nav__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all .3s;
}
.nav.scrolled .nav__hamburger span { background: var(--text); }
.nav__hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(155deg, var(--green-deep) 0%, var(--green-forest) 45%, #1E6BB5 75%, #2576C0 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 65% 35%, rgba(93,170,238,.13) 0%, transparent 70%),
    radial-gradient(ellipse 40% 50% at 20% 70%, rgba(47,143,224,.08) 0%, transparent 60%);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  top: -100px; right: -100px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(47,143,224,.1) 0%, transparent 65%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
  padding-top: 80px;
}
.hero__eyebrow {
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .2em;
  color: var(--green-mid);
  margin-bottom: 22px;
  opacity: 0;
}
.hero__title {
  font-size: clamp(48px, 7.5vw, 96px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 28px;
  letter-spacing: -.01em;
}
.hero__line {
  display: block;
  opacity: 0;
}
.hero__line--accent {
  color: var(--green-light);
}
.hero__sub {
  font-size: 14px;
  font-weight: 300;
  letter-spacing: .25em;
  color: rgba(255,255,255,.65);
  margin-bottom: 52px;
  opacity: 0;
}
.hero__btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
}
.hero__scroll-hint {
  position: absolute;
  bottom: 44px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 10;
}
.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .35em;
  color: rgba(255,255,255,.4);
}
.hero__scroll-bar {
  width: 1px;
  height: 56px;
  background: rgba(255,255,255,.12);
  position: relative;
  overflow: hidden;
}
.hero__scroll-bar::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 40%;
  background: linear-gradient(to bottom, var(--green-light), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: translateY(-100%); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(350%); opacity: 0; }
}

/* ===== Wind-In Animation ===== */
@keyframes windIn {
  0% {
    opacity: 0;
    transform: translateX(-45px) skewX(4deg);
    filter: blur(8px);
  }
  55% {
    transform: translateX(7px) skewX(-0.5deg);
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateX(0) skewX(0);
    filter: blur(0);
  }
}
.wind-animate {
  animation: windIn .95s cubic-bezier(.22,1,.36,1) forwards;
}

/* ===== Scroll Fade-Up ===== */
.fade-up {
  opacity: 1;
  transform: translateY(0);
}
.fade-up.fade-ready {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-up.fade-ready.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-up.fade-ready {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== About ===== */
.about__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: stretch;
}
.about__message {
  display: flex;
  flex-direction: column;
}
.about__catch {
  font-size: 26px;
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.4;
  margin-bottom: 64px;
  padding-left: 18px;
  position: relative;
}
.about__catch::before {
  content: '';
  position: absolute;
  left: 0; top: 4px;
  width: 3px;
  height: calc(100% - 8px);
  background: linear-gradient(to bottom, var(--green), var(--green-light));
  border-radius: 3px;
}
.about__text {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 2;
  margin-bottom: 20px;
}
.about__text:last-child {
  margin-bottom: 0;
  flex: 1;
}
.about__info-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--green-pale);
}
.about__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.about__table th,
.about__table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.about__table th {
  width: 90px;
  font-weight: 500;
  color: var(--text-mid);
  background: var(--green-pale);
  white-space: nowrap;
}
.about__table tr:last-child th,
.about__table tr:last-child td {
  border-bottom: none;
}

/* ===== Shared card style (Services & Strengths) ===== */
.services__grid,
.strengths__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 340px));
  justify-content: center;
  gap: 24px;
}

.service-card,
.strength-item {
  background: var(--white);
  border-radius: 10px;
  padding: 36px 28px 32px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.service-card:hover,
.strength-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-card::after,
.strength-item::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--green), var(--green-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s;
}
.service-card:hover::after,
.strength-item:hover::after { transform: scaleX(1); }

/* ===== Services ===== */
.service-card__num {
  font-family: var(--font-en);
  font-size: 38px;
  font-weight: 800;
  color: var(--green-mid);
  line-height: 1;
  margin-bottom: 14px;
}
.service-card__icon {
  color: var(--green);
  margin-bottom: 18px;
}
.service-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.service-card__text {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.95;
}

/* ===== Strengths ===== */
.strength-item__num {
  font-family: var(--font-en);
  font-size: 38px;
  font-weight: 800;
  color: var(--green-mid);
  line-height: 1;
  margin-bottom: 14px;
}
.strength-item__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 12px;
}
.strength-item__text {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.95;
}

/* ===== Profile ===== */
.profile__body {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 72px;
  align-items: start;
}
.profile__photo-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-dark);
  margin-bottom: 22px;
}
.profile__photo-frame img {
  width: 100%;
  height: auto;
  display: block;
}
.profile__name-block { text-align: center; margin-bottom: 16px; }
.profile__role {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: .12em;
  margin-bottom: 6px;
}
.profile__name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}
.profile__name-en {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: .12em;
}
.profile__badge-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}
.profile__badge {
  background: var(--green);
  color: var(--white);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
  letter-spacing: .03em;
}
.profile__quote {
  font-family: Georgia, serif;
  font-size: 80px;
  color: var(--green-mid);
  line-height: .8;
  margin-bottom: 8px;
  height: 48px;
  overflow: hidden;
}
.profile__message {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 2.1;
  margin-bottom: 16px;
}
.profile__sign {
  font-size: 22px;
  font-weight: 700;
  color: var(--green-dark);
  margin-top: 28px;
  text-align: right;
  letter-spacing: .08em;
}

/* ===== Contact ===== */
.contact__body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: start;
}
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}
.form-req {
  background: var(--green);
  color: var(--white);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 6px;
  font-weight: 500;
  vertical-align: middle;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color .25s, box-shadow .25s;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(47,143,224,.14);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B85A0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.form-textarea { resize: vertical; line-height: 1.8; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group--check { margin-top: 24px; }
.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  user-select: none;
}
.form-check input { position: absolute; opacity: 0; width: 0; height: 0; }
.form-check__box {
  width: 18px; height: 18px;
  border: 1.5px solid var(--border);
  border-radius: 3px;
  flex-shrink: 0;
  position: relative;
  transition: all .2s;
}
.form-check input:checked + .form-check__box {
  background: var(--green);
  border-color: var(--green);
}
.form-check input:checked + .form-check__box::after {
  content: '';
  position: absolute;
  top: 2px; left: 5px;
  width: 5px; height: 9px;
  border: 2px solid white;
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
.form-success {
  text-align: center;
  padding: 64px 40px;
}
.form-success__icon { margin-bottom: 22px; }
.form-success h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 12px;
}
.form-success p {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.9;
}
.contact__info {
  background: var(--green-pale);
  border-radius: 10px;
  padding: 36px 28px;
  position: sticky;
  top: 100px;
}
.contact__info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 26px;
}
.contact__hours {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border-top: 1px solid var(--border);
  padding-top: 22px;
  margin-top: 4px;
}
.contact__info-icon,
.contact__hours > svg {
  width: 38px;
  height: 38px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
  padding: 9px;
}
.contact__info-label {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: .1em;
  margin-bottom: 3px;
  text-transform: uppercase;
}
.contact__info-val {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

/* ===== Footer ===== */
.footer {
  background: var(--green-deep);
  color: rgba(255,255,255,.75);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
  padding-top: 60px;
  padding-bottom: 52px;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
#footerLogoImg { height: 26px; width: auto; object-fit: contain; }
.footer__name {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: .04em;
}
.footer__desc {
  font-size: 13px;
  color: rgba(255,255,255,.45);
  line-height: 1.7;
}
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.footer__nav a {
  font-size: 13px;
  color: rgba(255,255,255,.55);
  transition: color .2s;
}
.footer__nav a:hover { color: var(--green-light); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer__bottom p {
  font-family: var(--font-en);
  font-size: 12px;
  color: rgba(255,255,255,.3);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .about__body { grid-template-columns: 1fr; gap: 44px; }
  .profile__body { grid-template-columns: 1fr; }
  .contact__body { grid-template-columns: 1fr; }
  .contact__info { position: static; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 72px 0; }
  .section-title { font-size: 28px; }
  .hero__content { padding: 0 20px; padding-top: 80px; }
  .hero__title { font-size: 40px; }
  .hero__btns { flex-direction: column; align-items: flex-start; }
  .nav__inner { padding: 0 20px; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(11,45,82,.97);
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 1050;
  }
  .nav__links.open .nav__link {
    font-size: 22px;
    color: var(--white) !important;
  }
  .nav__links.open .nav__link--cta {
    padding: 12px 36px;
    font-size: 18px;
  }
  .services__grid,
  .strengths__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__nav { flex-direction: row; flex-wrap: wrap; gap: 12px 24px; }
  .strength-item__num { font-size: 32px; }
}