/* Inner pages share the site's quiet, warm-white / forest-green design system. */
.page-hero,
.detail-hero,
.case-hero,
.contact-page,
.error-page {
  width: min(calc(100% - 2 * var(--side)), 1200px);
  margin-inline: auto;
  color: var(--ink);
}

.page-hero {
  padding-block: 78px 66px;
}

.page-hero .section-index,
.detail-hero .section-index,
.contact-intro .section-index {
  display: block;
  margin-bottom: 26px;
  color: var(--primary);
}

.page-hero h1,
.detail-hero h1,
.case-hero h1,
.contact-intro h1,
.error-page h1 {
  max-width: 930px;
  margin: 0;
  font-size: clamp(38px, 4.5vw, 64px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -.055em;
  text-wrap: balance;
  overflow-wrap: break-word;
}

.page-hero > p,
.detail-hero > p {
  max-width: 650px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.75;
}

.page-hero--compact { padding-bottom: 54px; }

.index-list.section-pad,
.product-index.section-pad,
.detail-blocks.section-pad,
.work-archive.section-pad,
.case-content.section-pad,
.about-principles.section-pad,
.insights-list.section-pad,
.legal-content.section-pad {
  width: min(calc(100% - 2 * var(--side)), 1200px);
  margin-inline: auto;
  padding: 0 0 104px;
}

.index-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.index-row {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 294px;
  flex-direction: column;
  align-items: flex-start;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  color: var(--ink);
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}

.index-row > span,
.detail-blocks article > span,
.about-principles article > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 35px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
}

.index-row h2,
.detail-blocks h2,
.about-principles h2 {
  margin: 0 0 14px;
  font-size: 24px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -.035em;
}

.index-row p,
.detail-blocks p,
.about-principles p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.index-row > i {
  position: absolute;
  top: 32px;
  right: 30px;
  color: var(--primary);
  font-size: 22px;
  font-style: normal;
}

.index-row:hover { transform: translateY(-4px); border-color: #9f7d7a; background: #fbfafa; }

.product-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  background: transparent;
  color: var(--ink);
}

.product-index-row {
  position: relative;
  display: flex;
  min-height: 380px;
  flex-direction: column;
  padding: 40px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #ede4e3;
  color: var(--ink);
  transition: border-color .2s ease, transform .2s ease;
}

.product-index-row--crm { background: #f0ece3; }
.product-index-row > div { display: flex; align-items: center; gap: 15px; margin-bottom: 68px; }
.product-index-row > div span { color: var(--muted); font-size: 11px; }
.product-index-row > div b { font-size: 13px; font-weight: 600; }
.product-index-row h2 { max-width: 410px; margin: 0 0 20px; font-size: clamp(28px, 3vw, 40px); font-weight: 500; letter-spacing: -.045em; line-height: 1.15; }
.product-index-row p { max-width: 390px; margin: 0 35px 0 0; color: #834c47; font-size: 14px; line-height: 1.8; }
.product-index-row > i { position: absolute; right: 28px; bottom: 28px; display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid #cbb9b7; border-radius: 50%; font-size: 22px; font-style: normal; }
.product-index-row:hover { transform: translateY(-4px); border-color: #9f7d7a; }

.detail-hero {
  position: relative;
  margin-top: 60px;
  margin-bottom: 54px;
  padding: 65px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
}

.detail-hero h1 { max-width: 800px; }
.detail-hero > p { max-width: 680px; }
.detail-code { display: inline-block; max-width: 100%; margin-top: 50px; padding: 10px 14px; border: 1px solid #d2c2c1; border-radius: 7px; color: #894f4a; font-size: 10px; letter-spacing: .08em; overflow-wrap: anywhere; }
.product-detail { min-height: 422px; padding-right: 270px; }
.product-monogram { position: absolute; top: 50%; right: 55px; display: grid; width: 170px; aspect-ratio: 1; place-items: center; transform: translateY(-50%) rotate(-6deg); border: 1px solid #c9b6b5; border-radius: 35px; background: #e4d6d5; color: var(--primary); font-size: 42px; font-weight: 500; letter-spacing: -.055em; box-shadow: 14px 18px 0 #d4c5c342; }
.product-detail--crm .product-monogram { border-color: #d1c5af; background: #e9dfcc; box-shadow: 14px 18px 0 #d5cbb942; }

.detail-blocks,
.about-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.detail-blocks article,
.about-principles article {
  min-width: 0;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.system-principle.section-pad,
.about-statement.section-pad,
.vision-section.section-pad {
  width: min(calc(100% - 2 * var(--side)), 1200px);
  margin: 0 auto 90px;
  padding: 55px 60px;
  border-radius: 22px;
  background: var(--primary);
  color: var(--paper);
}

.system-principle .section-index,
.about-statement .section-index { color: #d0c0bf; }
.system-principle p,
.about-statement p { max-width: 970px; margin: 28px 0 0; font-size: clamp(24px, 3vw, 38px); font-weight: 400; letter-spacing: -.03em; line-height: 1.45; text-wrap: pretty; }
.vision-section.section-pad { background: var(--surface); color: var(--ink); }
.vision-section p { max-width: 850px; margin: 25px 0 0; color: #774540; font-size: clamp(22px, 2.5vw, 30px); line-height: 1.55; letter-spacing: -.025em; }
.external-product { display: flex; width: min(calc(100% - 2 * var(--side)), 1200px); margin: -35px auto 90px; padding: 30px 0; align-items: center; justify-content: space-between; gap: 24px; border-block: 1px solid var(--line); }
.external-product > p { margin: 0; font-size: 24px; letter-spacing: -.03em; }

.work-archive { background: transparent; color: var(--ink); }
.filter-nav { display: flex; flex-wrap: wrap; gap: 9px; margin: 0 0 32px; }
.filter-nav a { padding: 11px 18px; border: 1px solid var(--line); border-radius: 100px; color: var(--muted); font-size: 12px; line-height: 1.3; transition: color .2s ease, background .2s ease; }
.filter-nav a:hover { color: var(--primary); border-color: #9d7a77; }
.filter-nav a.is-active { border-color: var(--primary); background: var(--primary); color: #fff; }
.case-hero { padding-block: 78px 56px; }
.case-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; color: var(--primary); font-size: 12px; }
.case-meta span { padding: 7px 12px; border: 1px solid var(--line); border-radius: 100px; }
.case-hero > p { margin: 23px 0 0; color: var(--muted); font-size: 18px; }
.case-cover { width: min(calc(100% - 2 * var(--side)), 1200px); margin: 0 auto 60px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); }
.case-cover img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.case-content { display: grid; grid-template-columns: 1.5fr 1fr; gap: 90px; }
.case-content > div > p { margin: 24px 0 0; font-size: 22px; line-height: 1.65; letter-spacing: -.02em; }
.case-content dl { margin: 0; }
.case-content dl > div { padding: 17px 0; border-bottom: 1px solid var(--line); }
.case-content dl > div:first-child { padding-top: 0; }
.case-content dt { margin-bottom: 8px; color: var(--muted); font-size: 11px; }
.case-content dd { margin: 0; font-size: 14px; line-height: 1.6; }

.insights-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.insights-list article { position: relative; min-width: 0; padding: 35px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.insights-list article > span { display: block; margin-bottom: 60px; color: var(--muted); font-size: 11px; }
.insights-list h2 { max-width: 420px; margin: 0 0 18px; font-size: 29px; font-weight: 500; line-height: 1.25; letter-spacing: -.04em; }
.insights-list p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.insights-list article > i { display: none; }

.contact-page { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: 80px; padding-block: 78px 105px; }
.contact-intro { position: sticky; top: 125px; }
.contact-intro h1 { font-size: clamp(38px, 4vw, 54px); }
.contact-intro > p { max-width: 420px; margin: 26px 0 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.contact-intro > a { display: inline-block; margin-top: 38px; padding-bottom: 8px; border-bottom: 1px solid #a88a88; color: var(--primary); font-size: 17px; }
.contact-panel { min-width: 0; padding: 35px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 23px 19px; }
.form-grid label { display: flex; min-width: 0; flex-direction: column; gap: 9px; }
.form-grid label > span { font-size: 11px; font-weight: 600; }
.form-grid :is(input, select, textarea) { width: 100%; min-width: 0; min-height: 47px; margin: 0; padding: 12px 13px; border: 1px solid #dfd3d2; border-radius: 8px; outline: none; background: #fbf8f8; color: var(--ink); font: inherit; font-size: 14px; transition: border-color .2s ease, box-shadow .2s ease; }
.form-grid :is(input, select, textarea):focus { border-color: #a05c56; box-shadow: 0 0 0 3px #a05c561c; }
.form-grid textarea { min-height: 144px; line-height: 1.65; resize: vertical; }
.form-wide { grid-column: 1 / -1; }
.form-grid label.honeypot { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.form-grid small:empty { display: none; }
.form-grid .field-validation-valid:empty { display: none; }
.form-grid label > .field-validation-error { display: block; color: #a33c32; font-size: 11px; font-weight: 400; line-height: 1.5; }
.contact-panel .input-validation-error,
.contact-panel .was-validated :is(input, select, textarea):invalid { border-color: #b76457; }
.validation-summary-errors { margin-bottom: 25px; padding: 14px; border: 1px solid #e3bdb6; border-radius: 8px; background: #fff5f2; color: #a33c32; font-size: 13px; }
.validation-summary-errors ul { margin: 0; padding-left: 18px; }
.validation-summary-valid { display: none; }
.contact-required-note { margin: 0 0 20px; color: var(--muted); font-size: 12px; }
.contact-error-summary { margin-bottom: 24px; padding: 18px; border: 1px solid #b65f50; border-radius: 9px; background: #fff4f0; color: #812e25; }
.contact-error-summary[hidden] { display: none; }
.contact-error-summary h2 { margin: 0 0 7px; font-size: 17px; line-height: 1.4; }
.contact-error-summary p { margin: 0 0 10px; font-size: 12px; }
.contact-error-summary ul { margin: 0; padding-left: 20px; }
.contact-error-summary li { margin-block: 5px; font-size: 12px; line-height: 1.5; }
.contact-error-summary a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.contact-error-summary a:focus-visible, .contact-error-summary:focus { outline: 2px solid #812e25; outline-offset: 3px; }
.form-grid .contact-field-hint { font-size: 11px; line-height: 1.6; color: var(--muted); }
.contact-panel [aria-invalid="true"] { border-color: #a33c32; }
.contact-panel [aria-invalid="true"]:focus { box-shadow: 0 0 0 3px #a33c3225; }
.contact-panel :is(input, select, textarea), .contact-error-summary { scroll-margin-top: 120px; }
.submit-button { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; margin-top: 26px; padding: 15px 18px; border: 1px solid var(--primary); border-radius: 8px; background: var(--primary); color: #fff; font: inherit; font-size: 13px; cursor: pointer; transition: background .2s ease; }
.submit-button i { font-size: 20px; font-style: normal; }
.submit-button:hover { background: #500204; }
.form-success { padding: 45px 15px; text-align: center; }
.form-success > span { display: inline-grid; width: 60px; height: 60px; margin-bottom: 28px; place-items: center; border-radius: 50%; background: #ece1e1; color: var(--primary); font-size: 25px; }
.form-success h2 { margin: 0 0 17px; font-size: 29px; font-weight: 500; letter-spacing: -.04em; }
.form-success p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

.legal-content { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 70px; align-items: start; }
.legal-content aside { position: sticky; top: 120px; display: flex; flex-direction: column; align-items: flex-start; gap: 18px; padding-top: 10px; }
.legal-content aside a { color: var(--muted); font-size: 13px; }
.legal-content aside a:hover { color: var(--primary); }
.legal-content article { padding: 0 0 40px; margin-bottom: 35px; border-bottom: 1px solid var(--line); scroll-margin-top: 110px; }
.legal-content article:last-child { margin-bottom: 0; }
.legal-content h2 { margin: 0 0 20px; font-size: 27px; font-weight: 500; letter-spacing: -.03em; }
.legal-content p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.error-page { display: flex; min-height: 70svh; flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 155px 100px; }
.error-page > span { display: inline-block; margin-bottom: 26px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 100px; color: var(--primary); font-size: 14px; }
.error-page .text-link { margin-top: 35px; color: var(--primary); }

@media (max-width: 1000px) {
  .index-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-page { gap: 38px; grid-template-columns: .8fr 1.2fr; }
  .contact-panel { padding: 26px; }
  .detail-hero { padding: 45px; }
  .product-detail { padding-right: 235px; }
  .product-monogram { width: 145px; right: 42px; font-size: 36px; }
  .detail-blocks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-principles { gap: 16px; }
  .about-principles article { padding: 24px; }
  .case-content { gap: 45px; }
}

@media (max-width: 760px) {
  .page-hero { padding-block: 58px 52px; }
  .page-hero h1,
  .detail-hero h1,
  .case-hero h1,
  .contact-intro h1,
  .error-page h1 { font-size: clamp(34px, 6.6vw, 48px); letter-spacing: -.045em; }
  .page-hero > p,
  .detail-hero > p { margin-top: 22px; font-size: 16px; }
  .product-index { gap: 16px; }
  .product-index-row { padding: 28px; min-height: 340px; }
  .product-index-row > div { margin-bottom: 42px; }
  .product-index-row h2 { font-size: 30px; }
  .product-index-row p { margin-right: 0; padding-bottom: 50px; }
  .product-index-row > i { bottom: 22px; right: 24px; }
  .detail-hero { margin-top: 40px; margin-bottom: 32px; padding: 34px; }
  .product-detail { padding-right: 34px; }
  .product-monogram { position: relative; top: auto; right: auto; width: 104px; margin: 34px 0 10px; transform: rotate(-5deg); border-radius: 22px; font-size: 29px; }
  .detail-code { margin-top: 30px; font-size: 9px; }
  .about-principles { grid-template-columns: 1fr; }
  .system-principle.section-pad,
  .about-statement.section-pad,
  .vision-section.section-pad { padding: 35px; margin-bottom: 65px; border-radius: 18px; }
  .external-product { margin-block: -15px 65px; }
  .case-hero { padding-block: 58px 42px; }
  .case-cover { margin-bottom: 38px; border-radius: 15px; }
  .case-content { grid-template-columns: 1fr; gap: 38px; }
  .case-content > div > p { font-size: 20px; }
  .case-content dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
  .case-content dl > div { padding-block: 0 17px; }
  .contact-page { grid-template-columns: 1fr; gap: 40px; padding-block: 58px 75px; }
  .contact-intro { position: static; }
  .contact-intro > p { max-width: 540px; margin-top: 23px; }
  .contact-intro > a { margin-top: 24px; }
  .contact-panel { padding: 30px; }
  .insights-list { gap: 16px; }
  .insights-list article { padding: 28px; }
  .insights-list h2 { font-size: 26px; }
  .legal-content { grid-template-columns: 1fr; gap: 35px; }
  .legal-content aside { position: static; flex-direction: row; gap: 25px; padding: 0 0 23px; border-bottom: 1px solid var(--line); }
}

@media (max-width: 520px) {
  .page-hero { padding-block: 45px 42px; }
  .index-list,
  .product-index,
  .detail-blocks,
  .insights-list { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .index-list.section-pad,
  .product-index.section-pad,
  .detail-blocks.section-pad,
  .work-archive.section-pad,
  .case-content.section-pad,
  .about-principles.section-pad,
  .insights-list.section-pad,
  .legal-content.section-pad { padding-bottom: 64px; }
  .index-row { min-height: 260px; padding: 26px; }
  .index-row > span { margin-bottom: 30px; }
  .index-row h2 { font-size: 24px; }
  .index-row > i { top: 28px; right: 26px; }
  .product-index-row { padding: 28px; min-height: 365px; }
  .product-index-row h2 { font-size: 33px; }
  .detail-hero { width: min(calc(100% - 2 * var(--side)), 1200px); padding: 28px 24px; border-radius: 18px; }
  .detail-hero h1 { font-size: 34px; }
  .detail-hero > p { font-size: 14px; }
  .detail-blocks article,
  .about-principles article { padding: 26px; }
  .system-principle.section-pad,
  .about-statement.section-pad,
  .vision-section.section-pad { padding: 30px 26px; }
  .system-principle p,
  .about-statement p { font-size: 24px; line-height: 1.45; }
  .vision-section p { font-size: 22px; }
  .external-product { align-items: flex-start; flex-direction: column; gap: 22px; }
  .external-product > p { font-size: 22px; }
  .case-hero { padding-block: 45px 35px; }
  .case-meta { margin-bottom: 23px; }
  .case-hero > p { font-size: 16px; }
  .case-cover img { aspect-ratio: 4 / 3; }
  .case-content dl { grid-template-columns: 1fr; gap: 16px; }
  .filter-nav { gap: 7px; margin-bottom: 25px; }
  .filter-nav a { padding: 10px 13px; font-size: 11px; }
  .insights-list article { padding: 28px; }
  .insights-list article > span { margin-bottom: 44px; }
  .contact-page { padding-top: 45px; }
  .contact-panel { padding: 23px; border-radius: 17px; }
  .form-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .form-grid :is(input, select, textarea) { font-size: 16px; }
  .form-grid label > span { font-size: 12px; }
  .form-success { padding: 30px 0; }
  .form-success h2 { font-size: 25px; }
  .legal-content h2 { font-size: 25px; }
  .legal-content p { font-size: 14px; }
  .error-page { min-height: 65svh; padding-block: 130px 75px; }
}

.module-heading { grid-column: 1 / -1; margin-bottom: 8px; }
.detail-blocks .module-heading h2 { margin-bottom: 10px; font-size: clamp(26px, 3vw, 38px); }
.module-status { display: inline-block; margin-top: 18px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; color: var(--primary); background: var(--paper); font-size: 11px; font-weight: 600; line-height: 1.5; }

@media (prefers-reduced-motion: reduce) {
  .index-row,
  .product-index-row,
  .filter-nav a,
  .form-grid :is(input, select, textarea),
  .submit-button { transition: none; }
  .index-row:hover,
  .product-index-row:hover { transform: none; }
}