/* ============================================
   Komi Lab. モック v2
   キーカラー：黄色 (#ffd803)
   見出し：ネイビー (#272343)
   図色：ミント (#e3f6f5 / #bae8e8)
   ============================================ */

:root {
  --bg-base: #fffffe;       /* 背景・白 */
  --bg-soft: #e3f6f5;       /* セクション切替・ミント */
  --bg-soft2: #bae8e8;      /* 図・濃いめミント */
  --heading: #272343;       /* 見出し・ネイビー */
  --text-main: #2d334a;     /* 段落 */
  --text-sub: #6b7390;      /* サブテキスト */
  --accent: #ffd803;        /* キーカラー・黄色 */
  --accent-dark: #f0c800;
  --btn-text: #272343;      /* ボタンテキスト */
  --border-soft: #e6e8ef;
  --white: #ffffff;

  --max-w: 1080px;
  --radius-card: 16px;
  --radius-pill: 999px;
  --shadow-soft: 0 4px 20px rgba(39, 35, 67, 0.06);
  --shadow-hover: 0 10px 30px rgba(39, 35, 67, 0.12);

  --font-body: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-heading: "M PLUS Rounded 1c", var(--font-body);
  --font-hand: "Klee One", var(--font-body);
  --font-en: "Quicksand", var(--font-body);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-main);
  background: var(--bg-base);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity 0.2s ease; }
a:hover { opacity: 0.7; }

/* ============================================
   共通レイアウト
   ============================================ */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 120px 0; }
.section--soft { background: var(--bg-soft); }

.section__label {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--heading);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.section__label::before {
  content: "";
  width: 24px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 56px;
  color: var(--heading);
}
.section__title--center { text-align: center; }
.section__title-accent {
  background: linear-gradient(transparent 60%, var(--accent) 60%);
  padding: 0 4px;
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .section__title { font-size: 27px; margin-bottom: 36px; }
}

/* ============================================
   ヘッダー
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 254, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-soft);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.header__logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--heading);
  display: inline-flex;
  align-items: center;
}
.header__logo-dot { color: var(--accent); }
.header__logo--img img {
  height: 56px;
  width: auto;
  display: block;
}
@media (max-width: 640px) {
  .header__logo--img img { height: 44px; }
}
.header__nav { display: flex; gap: 32px; }
.header__nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--heading);
}
.header__cta {
  display: inline-block;
  padding: 10px 22px;
  background: var(--accent);
  color: var(--btn-text);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.header__cta:hover {
  background: var(--accent-dark);
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(255, 216, 3, 0.4);
}
.header__burger {
  display: none;
  width: 28px; height: 22px;
  background: none; border: none; padding: 0;
  cursor: pointer; position: relative;
}
.header__burger span {
  display: block; width: 100%; height: 2px;
  background: var(--heading);
  position: absolute; left: 0;
}
.header__burger span:nth-child(1) { top: 0; }
.header__burger span:nth-child(2) { top: 10px; }
.header__burger span:nth-child(3) { top: 20px; }

@media (max-width: 880px) {
  .header__nav, .header__cta { display: none; }
  .header__burger { display: block; }
  .header__nav.is-open {
    display: flex !important; flex-direction: column; gap: 20px;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg-base);
    padding: 32px 24px;
    border-bottom: 1px solid var(--border-soft);
  }
}

/* ============================================
   ヒーロー
   ============================================ */

.hero {
  position: relative;
  padding: 96px 0 120px;
  background: var(--bg-base);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 480px; height: 480px;
  background: var(--bg-soft);
  border-radius: 50%;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: -80px; left: -80px;
  width: 280px; height: 280px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.15;
  z-index: 0;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.hero__tag {
  display: inline-block;
  font-family: var(--font-en);
  color: var(--heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  background: var(--accent);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: 56px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 24px;
  letter-spacing: 0.02em;
  color: var(--heading);
}
.hero__title-em {
  background: linear-gradient(transparent 65%, var(--accent) 65%);
  padding: 0 6px;
}
.hero__lead {
  font-size: 17px;
  line-height: 2;
  color: var(--text-main);
  margin: 0 0 40px;
}
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: none;
  cursor: pointer;
}
.btn--primary {
  background: var(--accent);
  color: var(--btn-text);
  box-shadow: 0 4px 16px rgba(255, 216, 3, 0.35);
}
.btn--primary:hover {
  background: var(--accent-dark);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 216, 3, 0.5);
}
.btn--ghost {
  background: transparent;
  color: var(--heading);
  border: 2px solid var(--heading);
}
.btn--ghost:hover {
  background: var(--heading);
  color: var(--white);
  opacity: 1;
}

.hero__visual { display: flex; justify-content: center; align-items: center; }
.hero__avatar {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1;
  filter: drop-shadow(0 12px 32px rgba(39, 35, 67, 0.12));
}

.hero__avatar--img {
  border-radius: 50%;
  object-fit: cover;
}

@media (max-width: 900px) {
  .hero { padding: 64px 0 80px; }
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__title { font-size: 38px; }
  .hero__ctas { justify-content: center; }
  .hero__avatar { max-width: 280px; margin: 0 auto; }
}

/* ============================================
   About
   ============================================ */

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}
.about__heading {
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1.55;
  font-weight: 700;
  margin: 0 0 24px;
  color: var(--heading);
}
.about__lead {
  font-size: 16px;
  line-height: 2;
  margin-bottom: 24px;
}
.about__lead strong {
  background: linear-gradient(transparent 60%, var(--accent) 60%);
  font-weight: 700;
  color: var(--heading);
}
.about__values {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  display: grid;
  gap: 20px;
}
.about__values li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.about__values-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--btn-text);
  font-family: var(--font-en);
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.about__values-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 17px;
  margin-bottom: 4px;
  color: var(--heading);
}
.about__values-text span {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.9;
}

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__heading { font-size: 24px; }
}

/* ============================================
   Prep / 要件整理（First Step）
   ============================================ */

.prep-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.prep-step {
  background: var(--bg-soft);
  border-radius: var(--radius-card);
  padding: 28px 32px;
  position: relative;
  border: 2px solid transparent;
  transition: border-color 0.3s ease, transform 0.3s ease;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
}

.prep-step:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.prep-step__badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--heading);
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  flex-shrink: 0;
  align-self: center;
}

.prep-step__body {
  min-width: 0;
}

.prep-step__title {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--heading);
  line-height: 1.5;
}

.prep-step__desc {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-main);
  margin: 0;
}

.prep__note {
  text-align: center;
  margin: 40px auto 0;
  max-width: 720px;
  font-size: 13.5px;
  color: var(--text-main);
  line-height: 1.9;
  padding: 18px 24px;
  background: var(--bg-soft2);
  border-radius: var(--radius-card);
}

@media (max-width: 640px) {
  .prep-step {
    padding: 22px 20px;
    gap: 16px;
  }
  .prep-step__badge {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
}

/* ============================================
   Service
   ============================================ */

.service__lead {
  text-align: center;
  font-size: 16px;
  color: var(--text-main);
  margin: -32px auto 56px;
  max-width: 640px;
  line-height: 2;
}
.service__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.service-card__icon {
  width: 56px; height: 56px;
  margin-bottom: 20px;
  color: var(--heading);
  background: var(--bg-soft);
  border-radius: 14px;
  padding: 12px;
}
.service-card__label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-sub);
  font-weight: 700;
  margin-bottom: 8px;
}
.service-card__title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.5;
  color: var(--heading);
}
.service-card__catch {
  font-size: 14px;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.85;
}
.service-card__list-title {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  margin: 16px 0 8px;
  color: var(--heading);
}
.service-card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  font-size: 13.5px;
  color: var(--text-main);
}
.service-card__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 6px;
  line-height: 1.75;
}
.service-card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 10px; height: 6px;
  background: var(--accent);
  border-radius: 2px;
}

.service__note {
  margin-top: 40px;
  padding: 24px 32px;
  background: var(--bg-soft2);
  border-radius: var(--radius-card);
  font-size: 13.5px;
  color: var(--heading);
  line-height: 2;
}

@media (max-width: 900px) {
  .service__cards { grid-template-columns: 1fr; }
}

/* ============================================
   Tech Stack（ロゴウォール）
   ============================================ */

.logo-wall-group {
  margin-bottom: 56px;
}

.logo-wall-group:last-child {
  margin-bottom: 0;
}

.logo-wall-group__title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--heading);
  text-align: center;
  margin: 0 auto 28px;
  padding: 6px 18px 8px;
  display: inline-block;
  position: relative;
  letter-spacing: 0.04em;
}

.logo-wall-group__title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
}

.logo-wall-group {
  text-align: center;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 32px 16px;
  max-width: 960px;
  margin: 0 auto;
  align-items: start;
  justify-items: center;
}

.logo-wall__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 14px 10px;
  border-radius: 12px;
  transition: transform 0.3s ease, background 0.3s ease;
}

.logo-wall__item:hover {
  transform: translateY(-3px);
  background: var(--bg-soft);
}

.logo-wall__icon {
  width: 38px;
  height: 38px;
  color: var(--heading);
  flex-shrink: 0;
}

.logo-wall__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--heading);
  letter-spacing: 0.02em;
  text-align: center;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .logo-wall {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px 8px;
  }
  .logo-wall__icon { width: 32px; height: 32px; }
  .logo-wall__name { font-size: 12px; }
}

/* ============================================
   対応領域
   ============================================ */

.areas__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.area-item {
  background: var(--bg-soft);
  border: 2px solid transparent;
  border-radius: var(--radius-card);
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}
.area-item:hover {
  transform: translateY(-2px);
  background: var(--bg-soft2);
  border-color: var(--accent);
}
.area-item__icon {
  width: 40px; height: 40px;
  margin: 0 auto 12px;
  color: var(--heading);
}
.area-item__name {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--heading);
}
.area-item__desc {
  font-size: 12.5px;
  color: var(--text-main);
  line-height: 1.75;
}

@media (max-width: 900px) {
  .areas__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================
   Voice
   ============================================ */

.voice__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.voice-card {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  border: 1px solid var(--border-soft);
  position: relative;
  box-shadow: var(--shadow-soft);
}
.voice-card::before {
  content: "“";
  position: absolute;
  top: 8px; left: 20px;
  font-family: var(--font-hand);
  font-size: 64px;
  color: var(--accent);
  line-height: 1;
}
.voice-card__text {
  font-size: 15px;
  line-height: 2;
  margin: 16px 0 20px;
  position: relative;
  z-index: 1;
  color: var(--heading);
}
.voice-card__from {
  font-size: 13px;
  color: var(--text-sub);
  border-top: 1px solid var(--border-soft);
  padding-top: 14px;
}

@media (max-width: 900px) {
  .voice__list { grid-template-columns: 1fr; }
}

/* ============================================
   Contact
   ============================================ */

.contact {
  background: var(--bg-base);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 600px; height: 600px;
  background: var(--bg-soft);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  opacity: 0.6;
}
.contact .container { position: relative; z-index: 1; }
.contact__title {
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.4;
  color: var(--heading);
}
.contact__lead {
  font-size: 16px;
  color: var(--text-main);
  margin: 0 auto 40px;
  max-width: 560px;
  line-height: 2;
}
.contact__ctas {
  display: flex; gap: 16px;
  justify-content: center; flex-wrap: wrap;
}

@media (max-width: 640px) {
  .contact__title { font-size: 27px; }
}

/* ============================================
   フッター
   ============================================ */

.footer {
  background: var(--heading);
  color: rgba(255, 255, 255, 0.75);
  padding: 48px 0 32px;
}
.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex; flex-wrap: wrap; gap: 32px;
  justify-content: space-between; align-items: flex-start;
}
.footer__brand {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--white);
  font-weight: 700;
}
.footer__brand-dot { color: var(--accent); }
.footer__brand-img {
  height: 36px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
}
.footer__tagline {
  font-size: 13px;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.6);
}
.footer__nav {
  display: flex; gap: 24px;
  font-size: 13px;
  flex-wrap: wrap;
}
.footer__copyright {
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   スクロールアニメーション
   ============================================ */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   profile.html
   ============================================ */

.profile-hero {
  padding: 80px 0 56px;
  background: var(--bg-soft);
  text-align: center;
}
.profile-hero__title {
  font-family: var(--font-heading);
  font-size: 36px;
  margin: 0 0 8px;
  color: var(--heading);
}
.profile-hero__sub {
  color: var(--heading);
  font-family: var(--font-en);
  letter-spacing: 0.15em;
  font-weight: 700;
}
.profile-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 24px;
}
.profile-body h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  margin: 48px 0 16px;
  color: var(--heading);
  padding-left: 12px;
  border-left: 4px solid var(--accent);
}
.profile-body ul { padding-left: 20px; }
.profile-body li { margin-bottom: 8px; }
.back-link {
  display: inline-block;
  margin-top: 48px;
  color: var(--heading);
  font-weight: 700;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
}