@charset "UTF-8";

/* =========================================
   環ビ塾 (DATAPOT ECOLIX) - Top Page  v4
   ========================================= */

/* ---------- Variables ---------- */
:root {
  --c-navy: #0f2a47;
  --c-navy-deep: #0a1f36;
  --c-navy-light: #1a3a5e;
  --c-gold: #c8923d;
  --c-gold-hover: #b07e2f;
  --c-gold-light: #e2b876;

  --c-text: #1a2238;
  --c-text-sub: #4d5468;
  --c-text-muted: #8a92a4;
  --c-line: #e6e8ee;
  --c-bg: #ffffff;
  --c-bg-soft: #f5f7fa;
  --c-bg-soft2: #eef1f6;

  --c-red: #d94a4a;
  --c-blue: #2f6fb5;
  --c-green: #2f9b6e;

  --container: 1200px;
  --container-wide: 1280px;
  --header-h: 104px;
  --header-h-sp: 76px;

  --ff-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", "Yu Gothic", "Meiryo", sans-serif;
  --ff-en: "Montserrat", "Roboto", -apple-system, BlinkMacSystemFont, sans-serif;
  --ff-num: "Montserrat", "Roboto", sans-serif;

  --shadow-sm: 0 2px 8px rgba(15, 42, 71, 0.06);
  --shadow-md: 0 6px 20px rgba(15, 42, 71, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 42, 71, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-jp);
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "palt";
}
img { max-width: 100%; height: auto; vertical-align: middle; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease), opacity .2s var(--ease); }
a:hover { color: var(--c-gold); }
button { font-family: inherit; cursor: pointer; border: 0; background: none; padding: 0; color: inherit; }
ul, ol { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }

/* ---------- Common ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + 48px);
  margin: 0 auto;
  padding: 0 24px;
}
.container-wide {
  width: 100%;
  max-width: calc(var(--container-wide) + 48px);
  margin: 0 auto;
  padding: 0 24px;
}

/* Section heading */
.sec-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.sec-head--center {
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 56px;
}
.sec-head__label {
  font-family: var(--ff-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--c-gold);
  display: block;
  margin-bottom: 8px;
}
.sec-head__title {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: .04em;
  color: var(--c-navy);
}
.sec-head__lead {
  margin-top: 16px;
  color: var(--c-text-sub);
  font-size: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .04em;
  transition: background .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
  white-space: nowrap;
  cursor: pointer;
  text-align: center;
}
.btn--gold {
  background: var(--c-gold);
  color: #fff;
}
.btn--gold:hover {
  background: var(--c-gold-hover);
  color: #fff;
}
.btn--navy {
  background: var(--c-navy);
  color: #fff;
}
.btn--navy:hover {
  background: var(--c-navy-light);
  color: #fff;
}
.btn--ghost {
  background: #fff;
  color: var(--c-gold);
  border: 1.5px solid var(--c-gold);
  padding: 10px 20px;
  font-size: 14px;
}
.btn--ghost:hover {
  background: var(--c-gold);
  color: #fff;
}
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--c-line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 28px;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  min-width: 0;
}
.header__logo img {
  height: 84px;
  width: auto;
  flex-shrink: 0;
}
.header__logo-text {
  font-family: var(--ff-jp);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1.3;
  color: var(--c-navy);
  padding-left: 16px;
  border-left: 2px solid var(--c-gold);
  white-space: nowrap;
}
.header__nav { margin-left: auto; }
.gnav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.gnav a {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .05em;
  position: relative;
  padding: 10px 0;
  color: var(--c-navy);
}
.gnav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform .3s var(--ease);
}
.gnav a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}
.header__cta { flex-shrink: 0; }

/* Header Contact CTA - simple gold button */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--c-gold);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  transition: background .25s var(--ease);
}
.header-cta:hover {
  background: var(--c-gold-hover);
  color: #fff;
}
.header-cta i { font-size: 14px; }

/* Mobile menu - hidden by default */
.mobile-menu { display: none !important; }

.hamburger {
  display: none;
  width: 48px;
  height: 48px;
  position: relative;
  z-index: 101;
}
.hamburger span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--c-navy);
  transition: transform .3s var(--ease), opacity .2s var(--ease), top .3s var(--ease);
}
.hamburger span:nth-child(1) { top: 16px; }
.hamburger span:nth-child(2) { top: 23px; }
.hamburger span:nth-child(3) { top: 30px; }
.hamburger.is-open span:nth-child(1) { top: 23px; transform: rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { top: 23px; transform: rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + 24px);
  padding-bottom: 32px;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fafd 0%, #ffffff 100%);
}
.hero::before {
  content: "";
  position: absolute;
  top: 18%;
  left: 3%;
  width: 220px;
  height: 220px;
  background-image: radial-gradient(rgba(15,42,71,0.16) 1.2px, transparent 1.4px);
  background-size: 18px 18px;
  opacity: 0.6;
  z-index: 0;
  pointer-events: none;
}

.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__bg-img {
  position: absolute;
  top: 0;
  right: 0;
  width: 64%;
  height: 100%;
  background-size: cover;
  background-position: center;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.15) 6%, rgba(0,0,0,0.7) 24%, #000 50%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,0.15) 6%, rgba(0,0,0,0.7) 24%, #000 50%);
  opacity: 0;
  transform-origin: 60% 50%;
  animation: heroSlideShow 35s infinite linear;
}
.hero__bg-img--1 { background-image: url("../img/hero1.webp"); animation-delay: -1.4s; }
.hero__bg-img--2 { background-image: url("../img/hero2.webp"); animation-delay:  5.6s; }
.hero__bg-img--3 { background-image: url("../img/hero3.webp"); animation-delay: 12.6s; }
.hero__bg-img--4 { background-image: url("../img/hero4.webp"); animation-delay: 19.6s; }
.hero__bg-img--5 { background-image: url("../img/hero5.webp"); animation-delay: 26.6s; }
@keyframes heroSlideShow {
  0%   { opacity: 0; transform: scale(1); }
  4%   { opacity: 1; }
  20%  { opacity: 1; transform: scale(1.04); }
  24%  { opacity: 0; }
  100% { opacity: 0; }
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  min-height: 440px;
}
.hero__copy { max-width: 620px; padding: 8px 0; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-en);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .25em;
  color: var(--c-gold);
  margin-bottom: 20px;
}
.hero__eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--c-gold);
}
.hero__title {
  font-size: clamp(34px, 4.2vw, 50px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .04em;
  color: var(--c-navy);
  margin-bottom: 24px;
}
.hero__title-line {
  display: block;
  opacity: 0;
  transform: translateY(18px);
  animation: heroLineIn .9s var(--ease) forwards;
}
.hero__title-line:nth-of-type(1) { animation-delay: .15s; }
.hero__title-line:nth-of-type(2) { animation-delay: .35s; }
@keyframes heroLineIn {
  to { opacity: 1; transform: translateY(0); }
}
.hero__title .accent {
  color: var(--c-gold);
  position: relative;
}
.hero__title .accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 5px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-gold-light) 100%);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  animation: heroAccentDraw .8s var(--ease) forwards;
  animation-delay: .95s;
}
@keyframes heroAccentDraw {
  to { transform: scaleX(1); }
}
.hero__lead {
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 2;
  color: var(--c-text-sub);
  font-weight: 500;
  margin-bottom: 32px;
}
.hero__features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 620px;
}
.hero__feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  padding: 20px 10px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(15,42,71,0.06);
  border-radius: 10px;
  transition: border-color .25s var(--ease);
}
.hero__feature:hover { border-color: var(--c-gold); }
.hero__feature i { font-size: 28px; color: var(--c-gold); }
.hero__feature span {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.5;
  letter-spacing: .02em;
}

/* ---------- News & Seminar ---------- */
.info { padding: 70px 0 90px; background: var(--c-bg-soft); position: relative; }
.info__grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 64px;
  align-items: start;
}
.info__grid > * { min-width: 0; }
.swiper { min-width: 0; }
.seminar__track-wrap { min-width: 0; overflow: hidden; margin: 0 -10px; padding: 4px 0; }

/* Seminar */
.seminar__head { margin-bottom: 28px; }
.swiper { position: relative; }
.seminar__track-wrap { overflow: hidden; margin: 0 -10px; padding: 4px 0; }
.seminar-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease);
  border: 1px solid transparent;
}
.seminar-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--c-gold-light);
}
.seminar-card__thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}
.seminar-card__thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 30%, rgba(200,146,61,0.18) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(200,146,61,0.12) 0%, transparent 50%);
}
.seminar-card__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1.2px);
  background-size: 16px 16px;
  opacity: .6;
}
.seminar-card__thumb-icon {
  position: relative;
  z-index: 2;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #fff;
  backdrop-filter: blur(6px);
}
.seminar-card__thumb-num {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--ff-en);
  font-size: 36px;
  font-weight: 800;
  color: rgba(255,255,255,0.18);
  letter-spacing: .02em;
  line-height: 1;
  z-index: 2;
}
.seminar-card__thumb-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--c-gold);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  padding: 5px 12px;
  border-radius: 4px;
  z-index: 2;
}
/* Photo backgrounds (CSS-only "scenes") */
.seminar-card__thumb--strategy { background: linear-gradient(135deg, #1a3a5e 0%, #0f2a47 70%, #0a1f36 100%); }
.seminar-card__thumb--law { background: linear-gradient(135deg, #2c4a6e 0%, #1a3a5e 100%); }
.seminar-card__thumb--profit { background: linear-gradient(135deg, #b07e2f 0%, #8a5f1e 100%); }
.seminar-card__thumb--profit::after { opacity: .35; }
.seminar-card__thumb--dx { background: linear-gradient(135deg, #2f6fb5 0%, #1a4d80 100%); }
.seminar-card__thumb--workshop { background: linear-gradient(135deg, #2f9b6e 0%, #1e6b4a 100%); }

/* Photo thumb (uses inline background-image) */
.seminar-card__thumb--photo { background-size: cover; background-position: center; background-repeat: no-repeat; }
.seminar-card__thumb--photo::before {
  background-image: linear-gradient(180deg, rgba(15,42,71,0.45) 0%, rgba(15,42,71,0.05) 38%, rgba(0,0,0,0) 60%);
}
.seminar-card__thumb--photo::after { display: none; }
.seminar-card__thumb--photo .seminar-card__thumb-icon { display: none; }
.seminar-card__thumb--photo .seminar-card__thumb-num {
  color: rgba(255,255,255,0.55);
  text-shadow: 0 1px 6px rgba(0,0,0,0.25);
}

.seminar-card__body {
  padding: 26px 26px 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.seminar-card__title {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: 18px;
  color: var(--c-text);
  letter-spacing: .01em;
}
.seminar-card__dates {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.seminar-card__date-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 10px 12px;
  background: #f6f8fb;
  border-left: 3px solid var(--c-navy);
  border-radius: 3px;
}
.seminar-card__date-when {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.seminar-card__date {
  font-family: var(--ff-num);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-navy);
  letter-spacing: .02em;
  line-height: 1.2;
}
.seminar-card__date .day {
  font-size: 12px;
  margin-left: 6px;
  color: var(--c-text-sub);
  letter-spacing: .1em;
}
.seminar-card__time {
  font-family: var(--ff-num);
  font-size: 14px;
  color: var(--c-text-sub);
  font-weight: 600;
  letter-spacing: .04em;
}
.seminar-card__date-types {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-left: auto;
}
.seminar-card__type {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 3px;
  white-space: nowrap;
}
.seminar-card__type--online { background: #e8f0f9; color: var(--c-blue); }
.seminar-card__type--venue { background: #fbeec9; color: #9a6f1c; }
.seminar-card__type--video { background: #e7f3ec; color: var(--c-green); }
.seminar-card__formats { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; }

/* --- 横長カード（トップページ「直近のセミナー」用） --- */
.seminar-rows { display: flex; flex-direction: column; gap: 18px; }
.seminar-rows__empty { padding: 2rem; text-align: center; color: #6b7a8d; }
.seminar-card--row {
  display: grid;
  grid-template-columns: 220px 1fr;
  background: #fff;
  border: 1px solid #e5e9f0;
  border-radius: 14px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.seminar-card--row:hover {
  border-color: var(--c-gold);
  box-shadow: 0 8px 24px -16px rgba(15,42,71,.25);
}
.seminar-card--row .seminar-card__thumb {
  aspect-ratio: auto;
  height: 100%;
  min-height: 160px;
}
.seminar-card--row .seminar-card__body { padding: 18px 22px 18px; }
.seminar-card--row .seminar-card__title { font-size: 16px; margin: 0 0 10px; line-height: 1.55; }
.seminar-card--row .seminar-card__desc { font-size: 13px; margin: 0 0 12px; -webkit-line-clamp: 2; display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.seminar-card--row .btn--block { width: auto; display: inline-flex; padding: 8px 18px; font-size: 13px; }
@media (max-width: 640px) {
  .seminar-card--row { grid-template-columns: 1fr; }
  .seminar-card--row .seminar-card__thumb { min-height: 0; aspect-ratio: 16 / 9; }
}
.seminar-card__desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-sub);
  margin-bottom: 22px;
  flex: 1;
}
.seminar-card .btn {
  padding: 14px 18px;
  font-size: 14.5px;
}

.swiper-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
}
.swiper-nav > button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--c-line);
  color: var(--c-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.swiper-nav > button:hover:not([disabled]) {
  background: var(--c-navy);
  color: #fff;
  border-color: var(--c-navy);
}
.swiper-nav > button[disabled] { opacity: .3; cursor: not-allowed; }

/* Slider dots (pagination) */
.slider-dots {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 8px;
}
.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(10, 31, 54, 0.18);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background .25s var(--ease), transform .25s var(--ease), width .25s var(--ease);
}
.slider-dot:hover { background: rgba(10, 31, 54, 0.4); }
.slider-dot.is-active {
  background: var(--c-gold);
  width: 22px;
  border-radius: 4px;
}
.swiper-nav--center { justify-content: center; }
.voice__track-wrap { overflow: hidden; margin: 0 -10px; padding: 4px 0; }
.slide-item { display: flex; height: auto; }
.slide-item > * { flex: 1; }
[data-slider-track] { align-items: stretch; }

/* News */
.news__head { margin-bottom: 20px; }
.news-list {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 8px 28px;
  box-shadow: var(--shadow-sm);
}
.news-item {
  display: block;
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line);
}
.news-list li:last-child .news-item { border-bottom: 0; }
.news-item__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.news-item__date {
  font-family: var(--ff-num);
  font-weight: 600;
  color: var(--c-text-sub);
  font-size: 14px;
  letter-spacing: .03em;
}
.news-item__cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 4px 12px;
  border-radius: 4px;
  white-space: nowrap;
  min-width: 88px;
  text-align: center;
}
.news-item__cat--media { background: #fdecea; color: #b53a2f; }
.news-item__cat--service { background: #e7f3ec; color: var(--c-green); }
.news-item__cat--seminar { background: #e8f0f9; color: var(--c-blue); }
.news-item__cat--column { background: #fbeec9; color: #9a6f1c; }
.news-item__cat--release { background: #ecebf6; color: #5e4faf; }
.news-item__cat--info   { background: #e8f0f9; color: var(--c-blue); }
.news-item__cat--event  { background: #fbeec9; color: #9a6f1c; }
.news-item__cat--others { background: #eef1f6; color: #4d5468; }
.news-item__title {
  display: block;
  color: var(--c-text);
  font-size: 15.5px;
  line-height: 1.7;
  font-weight: 500;
}
.news-item:hover .news-item__title { color: var(--c-gold); }

/* ---------- Satei AI ---------- */
.satei {
  background: linear-gradient(135deg, var(--c-navy-deep) 0%, var(--c-navy) 50%, var(--c-navy-light) 100%);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.satei::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 12% 30%, rgba(200,146,61,0.12) 0%, transparent 35%),
    radial-gradient(circle at 88% 70%, rgba(200,146,61,0.1) 0%, transparent 35%);
  pointer-events: none;
}
.satei__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: center;
}
.satei__copy { padding-right: 0; }
.satei__badge {
  display: inline-block;
  background: var(--c-gold);
  color: #fff;
  font-family: var(--ff-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .25em;
  padding: 7px 16px;
  border-radius: 4px;
  margin-bottom: 22px;
}
.satei__title {
  font-size: clamp(32px, 3.6vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .04em;
  margin-bottom: 14px;
}
.satei__sub {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 22px;
  color: var(--c-gold-light);
  line-height: 1.6;
}
.satei__desc {
  font-size: 15.5px;
  line-height: 2;
  color: rgba(255,255,255,0.88);
  margin-bottom: 28px;
}
.satei__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.satei__buttons .btn--ghost-w {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.45);
  padding: 16px 26px;
}
.satei__buttons .btn--ghost-w:hover {
  background: rgba(255,255,255,0.08);
  border-color: #fff;
  color: #fff;
}

/* Visual: phone + items grid */
.satei__visual {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 32px;
  align-items: center;
}
.satei__phone {
  position: relative;
  background: #1a1a1a;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.35), 0 0 0 2px rgba(255,255,255,0.04);
  aspect-ratio: 9 / 18;
  width: 100%;
  max-width: 240px;
  margin-left: auto;
}
.satei__phone-screen {
  background: #fff;
  border-radius: 26px;
  height: 100%;
  padding: 28px 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.satei__phone-screen::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 16px;
  background: #1a1a1a;
  border-radius: 0 0 12px 12px;
}
.satei__phone-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--c-text-sub);
  letter-spacing: .08em;
  margin-top: 10px;
  margin-bottom: 14px;
}
.satei__phone-photo {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #f0f4f8 0%, #e3eaf2 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  overflow: hidden;
}
.satei__phone-photo i {
  font-size: 56px;
  color: #8a9aae;
}
.satei__phone-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.satei__phone-est {
  font-size: 11px;
  font-weight: 700;
  color: var(--c-text-sub);
  letter-spacing: .08em;
  margin-bottom: 4px;
}
.satei__phone-price {
  font-family: var(--ff-num);
  font-size: 28px;
  font-weight: 800;
  color: var(--c-navy);
  line-height: 1;
  margin-bottom: 2px;
}
.satei__phone-note {
  font-size: 10px;
  color: var(--c-text-muted);
  margin-bottom: 14px;
}
.satei__phone-btn {
  display: block;
  width: 100%;
  background: var(--c-navy);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 11px 0;
  border-radius: 4px;
  letter-spacing: .06em;
  margin-top: auto;
}

.satei__items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.satei__item {
  background: linear-gradient(135deg, #ffffff 0%, #f3f6fa 100%);
  border-radius: 10px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(0,0,0,0.18);
  overflow: hidden;
}
.satei__item i {
  font-size: 36px;
  color: var(--c-navy);
  opacity: .65;
}
.satei__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Service ---------- */
.service { padding: 110px 0; background: #fff; }
.service__list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.service-card:hover {
  border-color: var(--c-gold);
  box-shadow: var(--shadow-md);
}
.service-card__ribbon {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--c-gold);
  color: #fff;
  font-family: var(--ff-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  padding: 5px 12px;
  border-radius: 3px;
  z-index: 1;
}
.service-card__img {
  aspect-ratio: 4 / 3;
  background: var(--c-bg-soft2);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.service-card__img i { font-size: 48px; color: var(--c-navy); opacity: .55; }
.service-card__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-card__img--satei { background: linear-gradient(135deg, #1a3a5e 0%, #0f2a47 100%); }
.service-card__img--satei i { color: var(--c-gold); opacity: .9; }
.service-card__img--web { background: linear-gradient(135deg, #e8f0f9 0%, #d6e3f0 100%); }
.service-card__img--web i { color: var(--c-blue); opacity: .7; }
.service-card__img--meo { background: linear-gradient(135deg, #fbeec9 0%, #f3dca0 100%); }
.service-card__img--meo i { color: #9a6f1c; opacity: .7; }
.service-card__img--consul { background: linear-gradient(135deg, #e7f3ec 0%, #cfe5d8 100%); }
.service-card__img--consul i { color: var(--c-green); opacity: .7; }
.service-card__img--seminar { background: linear-gradient(135deg, #ecebf6 0%, #d8d5ed 100%); }
.service-card__img--seminar i { color: #5e4faf; opacity: .7; }
.service-card__body {
  padding: 22px 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.service-card__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--c-text);
}
.service-card__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-sub);
  flex: 1;
  margin-bottom: 16px;
}
.service-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-gold);
  align-self: flex-start;
}
.service-card__more i { font-size: 11px; }

/* ---------- Voice / Testimonials ---------- */
.voice { padding: 110px 0; background: var(--c-bg-soft); position: relative; }
.voice__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.voice-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 36px 32px 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
}
.voice-card__rating {
  display: flex;
  gap: 4px;
  color: var(--c-gold);
  font-size: 14px;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}
.voice-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.55;
  margin-bottom: 16px;
  letter-spacing: .03em;
}
.voice-card__body {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--c-text-sub);
  margin-bottom: 26px;
  flex: 1;
}
.voice-card__profile {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 22px;
  border-top: 1px solid var(--c-line);
}
.voice-card__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  font-weight: 700;
  letter-spacing: .04em;
}
.voice-card__avatar--a { background: linear-gradient(135deg, #2f6fb5 0%, #1a4d80 100%); }
.voice-card__avatar--b { background: linear-gradient(135deg, #2f9b6e 0%, #1e6b4a 100%); }
.voice-card__avatar--c { background: linear-gradient(135deg, #c8923d 0%, #8a5f1e 100%); }
.voice-card__avatar--photo {
  overflow: hidden;
  border: 2px solid var(--c-line);
  background: var(--c-bg-soft);
}
.voice-card__avatar--photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.voice__more {
  text-align: center;
  margin-top: 36px;
}
.voice-card__profile-text { line-height: 1.4; }
.voice-card__profile-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-text);
}
.voice-card__profile-meta {
  font-size: 12.5px;
  color: var(--c-text-muted);
}
.voice-card__service {
  display: inline-block;
  margin-top: 6px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .04em;
  background: var(--c-bg-soft);
  color: var(--c-navy);
  padding: 3px 10px;
  border-radius: 3px;
}

/* ---------- Achievement & CTA ---------- */
.achievement {
  background: var(--c-navy-deep);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.achievement::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(200,146,61,0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 50%, rgba(200,146,61,0.06) 0%, transparent 40%);
}
.achievement__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr) 1.4fr;
  gap: 36px;
  align-items: center;
}
.achievement__item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.achievement__icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200,146,61,0.15);
  border-radius: 50%;
  color: var(--c-gold);
  font-size: 22px;
  margin-bottom: 6px;
}
.achievement__num {
  font-family: var(--ff-num);
  font-size: 50px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1;
}
.achievement__num small { font-size: 20px; font-weight: 700; margin-left: 4px; }
.achievement__label {
  font-size: 14px;
  color: rgba(255,255,255,0.78);
  line-height: 1.6;
  font-weight: 500;
}
/* Big CTA card */
.achievement__cta {
  background: linear-gradient(135deg, #d9a14e 0%, var(--c-gold) 60%, #a87a2a 100%);
  border-radius: var(--radius-md);
  padding: 28px 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 14px 30px rgba(0,0,0,0.28), 0 0 0 1px rgba(255,255,255,0.08) inset;
}
.achievement__cta::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255,255,255,0.25) 0%, transparent 65%);
  border-radius: 50%;
}
.achievement__cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .25em;
  color: rgba(255,255,255,0.95);
  position: relative;
}
.achievement__cta-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: rgba(255,255,255,0.7);
}
.achievement__cta-label {
  font-size: 19px;
  font-weight: 800;
  color: #fff;
  letter-spacing: .04em;
  line-height: 1.5;
  position: relative;
}
.achievement__cta-note {
  font-size: 13px;
  color: rgba(255,255,255,0.88);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
}
.achievement__cta-note span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.achievement__cta-note i { font-size: 11px; }
.achievement__cta-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  position: relative;
}
.achievement__cta-btn {
  background: #fff;
  color: var(--c-navy);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: background .25s var(--ease), color .25s var(--ease);
  border: 2px solid transparent;
}
.achievement__cta-btn--main {}
.achievement__cta-btn--main:hover {
  background: var(--c-navy);
  color: #fff;
}
.achievement__cta-btn--main:hover i.achievement__cta-btn-icon { color: var(--c-gold); }
.achievement__cta-btn--sub {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.7);
  padding: 14px 22px;
}
.achievement__cta-btn--sub:hover {
  background: rgba(255,255,255,0.14);
  color: #fff;
  border-color: #fff;
}
.achievement__cta-btn-text {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
}
.achievement__cta-btn-icon {
  color: var(--c-gold);
  font-size: 18px;
  transition: color .25s var(--ease);
}
.achievement__cta-btn--sub .achievement__cta-btn-icon { color: #fff; }

/* ---------- Footer ---------- */
.footer { background: #fff; padding: 72px 0 28px; border-top: 1px solid var(--c-line); }
.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 56px;
}
.footer__brand-logo { height: 72px; width: auto; margin-bottom: 18px; }
.footer__brand-desc {
  font-size: 13px;
  line-height: 1.9;
  color: var(--c-text-sub);
  margin-bottom: 22px;
}
.footer__sns { display: flex; gap: 10px; }
.footer__sns a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-bg-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--c-navy);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.footer__sns a:hover { background: var(--c-navy); color: #fff; }
.footer__nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.footer__col-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 16px;
  letter-spacing: .05em;
}
.footer__col ul li { margin-bottom: 10px; font-size: 13px; }
.footer__col ul li a { color: var(--c-text-sub); }
.footer__col ul li a:hover { color: var(--c-gold); }
.footer__bottom {
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--c-line);
  display: flex;
  justify-content: center;
  align-items: center;
}
.footer__copy {
  font-family: var(--ff-en);
  font-size: 12px;
  color: var(--c-text-muted);
  letter-spacing: .12em;
}

/* ---------- Page top ---------- */
.pagetop {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--c-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease), background .25s var(--ease);
  box-shadow: var(--shadow-md);
}
.pagetop.is-show { opacity: 1; visibility: visible; }
.pagetop:hover { background: var(--c-gold); color: #fff; }

/* ---------- Recruit Banner ---------- */
.recruit-banner {
  display: block;
  margin-top: 28px;
  line-height: 0;
  transition: opacity .2s var(--ease);
}
.recruit-banner img {
  width: 100%;
  height: auto;
}
.recruit-banner:hover { opacity: .88; }

/* ---------- Fade In ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: calc(var(--fu-i, 0) * 80ms);
}
.fade-up.is-shown { opacity: 1; transform: translateY(0); }

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .hero__bg-img,
  .hero__title-line,
  .hero__title .accent::after { animation: none !important; }
  .hero__bg-img { opacity: 0; transform: none; }
  .hero__bg-img--1 { opacity: 1; }
  .hero__title-line { opacity: 1; transform: none; }
  .hero__title .accent::after { transform: scaleX(1); }
  .fade-up {
    transition: none !important;
    transition-delay: 0s !important;
    opacity: 1;
    transform: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
  .service__list { grid-template-columns: repeat(3, 1fr); }
  .satei__inner { grid-template-columns: 1fr; gap: 48px; }
  .achievement__grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .achievement__cta { grid-column: 1 / -1; }
  .voice__list { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 1199px) {
  .header__logo-text { font-size: 14px; padding-left: 12px; letter-spacing: .04em; }
  .header__logo { gap: 12px; }
}

@media (max-width: 1023px) {
  :root { --header-h: 88px; }
  .header__inner { gap: 16px; }
  .header__logo img { height: 64px; }
  .header__logo-text { display: none; }
  .header__nav,
  .header__cta { display: none; }
  .hamburger { display: block; }

  .mobile-menu {
    display: flex !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #fff;
    z-index: 95;
    padding: calc(var(--header-h) + 24px) 24px 24px;
    flex-direction: column;
    gap: 0;
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    overflow-y: auto;
  }
  .mobile-menu.is-open { transform: translateX(0); }
  .mobile-menu a {
    display: block;
    padding: 18px 4px;
    font-size: 17px;
    font-weight: 700;
    border-bottom: 1px solid var(--c-line);
    color: var(--c-text);
  }
  .mobile-menu .btn,
  .mobile-menu .header-cta {
    margin-top: 24px;
    width: 100%;
    border-bottom: 0;
  }
  .header-cta__icon { width: 44px; font-size: 16px; }
  .header-cta__body { padding: 10px 16px 10px 12px; }
  .header-cta__main { font-size: 14px; }
  .header-cta__sub { font-size: 10px; }
  .info__grid { grid-template-columns: 1fr; gap: 56px; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__nav { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .hero__bg-img { width: 70%; }
}

@media (max-width: 767px) {
  :root { --header-h: 72px; }
  body { font-size: 16px; }
  .container, .container-wide { padding: 0 16px; }
  .header__logo img { height: 52px; }

  .hero {
    padding-top: 0;
    padding-bottom: 32px;
    display: flex;
    flex-direction: column;
  }
  .hero__bg-img {
    width: 100%;
    height: 100%;
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.35) 0%, #000 28%, #000 100%);
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.35) 0%, #000 28%, #000 100%);
  }
  .hero__inner,
  .hero__copy { display: contents; }
  .hero__bg {
    position: relative;
    order: 1;
    width: 100%;
    height: calc(var(--header-h) + 180px);
    margin-top: 0;
  }
  .hero__eyebrow,
  .hero__title,
  .hero__lead {
    padding-left: 16px;
    padding-right: 16px;
    text-align: center;
    order: 2;
  }
  .hero__eyebrow {
    justify-content: center;
    margin-top: 24px;
  }
  .hero__lead { margin-bottom: 24px; }
  .hero__features {
    grid-template-columns: repeat(2, 1fr);
    margin: 28px 0 0;
    padding: 0 16px;
    max-width: none;
    order: 3;
  }
  .hero__title { font-size: 30px; }

  .info { padding: 60px 0; }

  .satei { padding: 60px 0; }
  .satei__title { font-size: 28px; }
  .satei__visual { grid-template-columns: 1fr; gap: 28px; }
  .satei__phone { max-width: 200px; margin: 0 auto; }
  .satei__items { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .satei__item i { font-size: 28px; }

  .service { padding: 70px 0; }
  .service__list { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .service-card__img i { font-size: 36px; }
  .service-card__body { padding: 16px 14px; }
  .service-card__title { font-size: 15px; }
  .service-card__desc { font-size: 13px; }

  .voice { padding: 70px 0; }
  .voice-card { padding: 28px 24px 26px; }
  .voice-card__title { font-size: 16px; }

  .achievement { padding: 56px 0; }
  .achievement__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .achievement__cta { grid-column: 1 / -1; padding: 24px; }
  .achievement__cta-label { font-size: 17px; }
  .achievement__num { font-size: 40px; }

  .footer { padding: 56px 0 24px; }
  .footer__nav { grid-template-columns: 1fr 1fr; gap: 20px; }

  .pagetop { right: 16px; bottom: 16px; width: 44px; height: 44px; }

  .sec-head { margin-bottom: 28px; }
  .sec-head--center { margin-bottom: 36px; }
  .sec-head__title { font-size: 24px; }
}