:root {
  --dai-green: #10ad92;
  --dai-green-deep: #078c79;
  --dai-cyan: #08aee0;
  --dai-mint: #dff5f0;
  --dai-sky: #e5f5fa;
  --dai-ink: #4b484c;
  --dai-ink-deep: #27262a;
  --dai-muted: #747176;
  --dai-line: #d9dadd;
  --dai-soft: #f5f6f7;
  --dai-white: #fff;
  --dai-gradient: linear-gradient(120deg, #35b79f 0%, #08aee0 100%);
}

.about-page {
  margin: 0;
  color: var(--dai-ink);
  background: var(--dai-white);
  font-family: sofia-pro, "Helvetica Neue", "Yu Gothic", YuGothic, "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", Verdana, Meiryo, sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
  letter-spacing: .03em;
}
.about-page *, .about-page *::before, .about-page *::after { box-sizing: border-box; }
.about-page h1, .about-page h2, .about-page h3, .about-page h4, .about-page p { margin-top: 0; }
.about-page h1, .about-page h2, .about-page h3, .about-page h4 { color: var(--dai-ink-deep); font-weight: 700; line-height: 1.34; letter-spacing: .03em; }
.about-page a { color: inherit; }
.about-page [data-content] { white-space: pre-line; }
.about-page [data-content]:empty { display: none; }
.about-shell { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }

.about-header { position: relative; z-index: 10; border-bottom: 1px solid #ececef; background: rgba(255,255,255,.96); }
.about-header-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 24px; }
.about-brand { color: var(--dai-green-deep); font-size: 22px; font-weight: 700; letter-spacing: .03em; text-decoration: none; }
.about-header-contact { display: inline-flex; min-height: 44px; align-items: center; padding: 0 24px; border: 1px solid var(--dai-green); color: var(--dai-green-deep); font-size: 14px; font-weight: 700; text-decoration: none; transition: .2s ease; }
.about-header-contact:hover { color: #fff; background: var(--dai-green); }

.about-hero { position: relative; overflow: hidden; padding: 112px 0 104px; background: #fff; }
.about-hero::before { position: absolute; inset: 0 0 auto; height: 8px; background: var(--dai-gradient); content: ""; }
.about-hero::after { position: absolute; z-index: 0; right: -140px; bottom: -240px; width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(8,174,224,.12), rgba(16,173,146,0) 68%); content: ""; }
.about-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.22fr .78fr; gap: 52px; align-items: center; }
.about-hero-grid-single { grid-template-columns: minmax(0, 820px); }
.about-overline, .about-section-heading > p:first-child, .about-specialization-title > p:first-child, .about-contact-copy > p:first-child, .about-intro-inner > p:first-child { margin-bottom: 18px; color: var(--dai-green-deep); font-size: 14px; font-weight: 700; letter-spacing: .03em; }
.about-hero h1 { margin-bottom: 30px; font-size: clamp(36px, 3vw, 42px); font-weight: 700; }
.about-hero h1 span { color: var(--dai-green); }
.about-hero-lead { max-width: 720px; margin-bottom: 30px; color: var(--dai-ink); font-size: 16px; font-weight: 300; }
.about-primary-link { display: inline-flex; min-height: 52px; align-items: center; gap: 30px; padding: 0 28px; color: #fff !important; background: var(--dai-gradient); font-size: 14px; font-weight: 700; text-decoration: none; }
.about-primary-link span { font-size: 20px; }

.about-hero-visual { padding: 42px 34px 32px; border: 1px solid #cfe9e7; border-top: 8px solid var(--dai-green); background: linear-gradient(160deg, var(--dai-mint), var(--dai-sky)); box-shadow: 18px 18px 0 #f0f1f2; }
.about-visual-heading { margin-bottom: 30px; color: var(--dai-ink-deep); font-size: 22px; font-weight: 700; line-height: 1.45; }
.about-visual-flow { display: grid; grid-template-columns: 1fr 1.45fr 1fr; gap: 8px; align-items: stretch; }
.about-visual-flow span, .about-visual-flow strong { display: grid; min-height: 112px; place-items: center; padding: 12px; text-align: center; font-size: 12px; line-height: 1.5; }
.about-visual-flow span { color: #fff; background: #93a7ad; }
.about-visual-flow strong { color: #fff; background: var(--dai-gradient); }
.about-hero-visual > p { margin: 24px 0 0; color: var(--dai-green-deep); font-weight: 700; text-align: center; }

.about-intro { padding: 100px 0; color: #fff; background: var(--dai-gradient); text-align: center; }
.about-intro-inner { max-width: 940px; }
.about-intro-inner > p:first-child { color: #fff; }
.about-intro h2 { margin-bottom: 24px; color: #fff; font-size: clamp(34px, 3vw, 38px); }
.about-intro-inner > p:last-child { max-width: 820px; margin: 0 auto; font-size: 16px; font-weight: 300; }

.about-section { padding: 112px 0; }
.about-section-heading { display: grid; grid-template-columns: .85fr 1.15fr; column-gap: 70px; align-items: end; margin-bottom: 64px; }
.about-section-heading > p:first-child { grid-column: 1 / -1; }
.about-section-heading h2 { margin-bottom: 0; font-size: clamp(34px, 3vw, 38px); }
.about-section-heading > p:last-child { margin-bottom: 4px; color: var(--dai-muted); }

.about-process-list { padding: 0; margin: 0; list-style: none; counter-reset: steps; }
.about-process-list li { position: relative; display: grid; grid-template-columns: 72px 1fr; gap: 28px; align-items: start; padding: 28px 24px 28px 0; border: 0; }
.about-process-list li::before { position: absolute; top: 66px; bottom: -10px; left: 27px; width: 1px; background: rgba(255,255,255,.24); content: ""; }
.about-process-list li:last-child::before { display: none; }
.about-process-list li:nth-child(even) { background: var(--dai-soft); }
.about-process-list li > span { display: grid; width: 56px; height: 56px; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--dai-green); font-size: 16px; font-weight: 700; line-height: 1; }
.about-process-list li > span::after { display: none; }
.about-process-list h3 { margin-bottom: 10px; font-size: 22px; }
.about-process-list p { max-width: 750px; margin-bottom: 0; color: var(--dai-muted); }

.about-solution-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.about-solution-list article { padding: 34px 30px; border-top: 5px solid var(--dai-green); background: var(--dai-soft); }
.about-solution-list h3 { margin-bottom: 16px; font-size: 21px; }
.about-solution-list p { margin-bottom: 0; color: var(--dai-muted); }

.about-process-list-dark { max-width: 820px; margin-inline: auto; }
.about-process-list-dark li { color: #fff; }
.about-process-list-dark li:nth-child(even) { background: transparent; }
.about-process-list-dark h3 { color: #fff; }
.about-process-list-dark p { color: #d7d5d8; }

.about-principles { color: #fff; background: var(--dai-ink-deep); }
.about-section-heading-light > p:first-child { color: #5de1cb; }
.about-section-heading-light h2 { color: #fff; }
.about-principle-list { border-top: 1px solid rgba(255,255,255,.24); }
.about-principle-list article { display: grid; grid-template-columns: 120px .8fr 1.2fr; gap: 34px; align-items: start; padding: 42px 0; border-bottom: 1px solid rgba(255,255,255,.24); }
.about-principle-list span { color: #5de1cb; font-size: 24px; font-weight: 700; }
.about-principle-list h3 { margin: 2px 0 0; color: #fff; font-size: 22px; }
.about-principle-list p { margin-bottom: 0; color: #d7d5d8; }

.about-specialization { background: var(--dai-soft); }
.about-specialization-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.about-specialization-title h2 { font-size: clamp(34px, 3vw, 38px); }
.about-specialization-body > p { color: var(--dai-muted); }
.about-scope { margin: 42px 0 0; border-top: 4px solid var(--dai-green); }
.about-scope > div { display: grid; grid-template-columns: 170px 1fr; gap: 28px; padding: 22px 0; border-bottom: 1px solid var(--dai-line); }
.about-scope dt { color: var(--dai-green-deep); font-weight: 700; }
.about-scope dd { margin: 0; }

.about-operator-compact { max-width: 820px; margin-inline: auto; }
.about-operator { padding-block: 80px; }
.about-operator-compact > h2 { margin-bottom: 34px; padding-bottom: 14px; border-bottom: 1px solid var(--dai-line); font-size: 24px; }
.about-operator-profile { max-width: 760px; }
.about-operator-photo { overflow: hidden; aspect-ratio: 4/5; margin: 0; background: var(--dai-mint); }
.about-operator-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-operator-role { margin-bottom: 6px; color: var(--dai-green-deep); font-weight: 700; }
.about-operator-profile h3 { margin-bottom: 4px; font-size: 26px; }
.about-operator-location { margin-bottom: 18px; color: var(--dai-muted); font-size: 14px; }
.about-achievements { margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--dai-line); }
.about-achievements h4 { margin-bottom: 12px; font-size: 18px; }
.about-achievements ul { display: grid; gap: 8px; padding-left: 1.3em; margin: 0; }
.about-story { max-width: 760px; margin-top: 34px; padding-top: 28px; border-top: 1px solid var(--dai-line); }
.about-story h3 { margin-bottom: 22px; font-size: 20px; }
.about-story p { color: var(--dai-muted); white-space: pre-line; }
.about-story p:last-child { margin-bottom: 0; }

.about-contact { padding: 112px 0; background: var(--dai-gradient); }
.about-contact-single { max-width: 820px; }
.about-contact-single > h2 { margin-bottom: 32px; color: #fff; font-size: clamp(30px, 3vw, 38px); text-align: center; }
.about-contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 76px; align-items: start; }
.about-contact-copy { position: sticky; top: 40px; color: #fff; }
.about-contact-copy > p:first-child { color: #fff; }
.about-contact-copy h2 { margin-bottom: 26px; color: #fff; font-size: clamp(34px, 3vw, 38px); }
.about-contact-copy > p { font-weight: 300; }
.about-contact-note { display: grid; gap: 5px; margin-bottom: 28px; padding: 16px 18px; color: var(--dai-muted); background: var(--dai-soft); font-size: 13px; }
.about-contact-note strong { color: var(--dai-ink-deep); }
.about-contact-form { padding: 46px; background: #fff; box-shadow: 20px 20px 0 rgba(30,87,91,.17); }
.about-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.about-form-field { margin-bottom: 22px; }
.about-form-field label { display: block; margin-bottom: 7px; color: var(--dai-ink-deep); font-size: 14px; font-weight: 700; }
.about-form-field label span { margin-left: 6px; color: var(--dai-green-deep); font-size: 11px; }
.about-form-field label em { margin-left: 6px; color: var(--dai-muted); font-size: 11px; font-style: normal; }
.about-form-field input, .about-form-field select, .about-form-field textarea { width: 100%; border: 1px solid #c8cbd0; border-radius: 0; color: var(--dai-ink-deep); background: #fff; font: inherit; font-size: 14px; }
.about-form-field input, .about-form-field select { min-height: 50px; padding: 0 14px; }
.about-form-field textarea { padding: 13px 14px; resize: vertical; }
.about-form-field input:focus, .about-form-field select:focus, .about-form-field textarea:focus { border-color: var(--dai-green); outline: 2px solid rgba(16,173,146,.2); outline-offset: 1px; }
.about-privacy-check { display: flex; gap: 10px; align-items: flex-start; margin: 4px 0 22px; color: var(--dai-ink); font-size: 13px; }
.about-privacy-check input { flex: 0 0 18px; width: 18px; min-height: 18px; margin-top: 3px; padding: 0; accent-color: var(--dai-green); }
.about-privacy-check a { color: var(--dai-green-deep); font-weight: 700; }
.about-submit { display: flex; width: 100%; min-height: 58px; align-items: center; justify-content: space-between; padding: 0 24px; border: 0; color: #fff; background: var(--dai-ink-deep); font: inherit; font-weight: 700; cursor: pointer; }
.about-submit:hover { background: var(--dai-green-deep); }
.about-submit:disabled { cursor: not-allowed; opacity: .58; }
.about-submit:disabled:hover { background: var(--dai-ink-deep); }
.about-form-note { margin: 12px 0 0; color: var(--dai-muted); font-size: 12px; text-align: center; }
.about-contact-form .form-status { margin-bottom: 16px; }

.about-footer { padding: 64px 0 28px; color: #c9c7ca; background: #232226; }
.about-footer-inner { display: flex; justify-content: space-between; gap: 48px; }
.about-brand-footer { color: #fff; }
.about-footer-inner p { margin: 10px 0 0; font-size: 13px; }
.about-footer nav { display: grid; gap: 8px; justify-items: end; font-size: 13px; }
.about-footer nav a { color: #d8d6d9; text-decoration: none; }
.about-footer nav a:hover { color: #fff; }
.about-copyright { margin-top: 44px; padding-top: 22px; border-top: 1px solid #403e43; font-size: 12px; }

@media (max-width: 900px) {
  .about-shell { width: min(100% - 40px, 1180px); }
  .about-hero-grid, .about-section-heading, .about-specialization-grid { grid-template-columns: 1fr; }
  .about-hero-grid { gap: 58px; }
  .about-section-heading { gap: 18px; }
  .about-specialization-grid { gap: 30px; }
  .about-principle-list article { grid-template-columns: 80px 1fr; }
  .about-principle-list p { grid-column: 2; }
  .about-solution-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .about-page { font-size: 14px; line-height: 1.75; letter-spacing: 0; }
  .about-page h1, .about-page h2, .about-page h3, .about-page h4 { line-height: 1.6; letter-spacing: 0; }
  .about-shell { width: min(100% - 32px, 1180px); }
  .about-header-inner { min-height: 64px; }
  .about-brand { font-size: 28px; line-height: 1.15; letter-spacing: 0; }
  .about-header-contact { min-height: 38px; padding: 0 15px; font-size: 12px; }
  .about-hero { padding: 72px 0 68px; }
  .about-overline { font-size: 12px; }
  .about-hero h1 { margin-bottom: 24px; font-size: 28px; line-height: 1.55; }
  .about-hero-lead { font-size: 14px; }
  .about-hero-visual { padding: 28px 18px 22px; box-shadow: 9px 9px 0 #f0f1f2; }
  .about-visual-heading { font-size: 18px; }
  .about-visual-flow { grid-template-columns: 1fr; }
  .about-visual-flow span, .about-visual-flow strong { min-height: 72px; }
  .about-intro, .about-section, .about-contact { padding: 76px 0; }
  .about-intro h2, .about-section-heading h2, .about-specialization-title h2, .about-contact-copy h2 { font-size: 24px; }
  .about-section-heading { margin-bottom: 40px; }
  .about-process-list li { grid-template-columns: 52px 1fr; gap: 16px; padding: 24px 0; }
  .about-process-list li:nth-child(even) { margin-inline: 0; padding-inline: 0; }
  .about-process-list li > span { width: 42px; height: 42px; font-size: 13px; }
  .about-process-list li::before { top: 54px; left: 20px; }
  .about-process-list h3 { font-size: 18px; }
  .about-principle-list article { grid-template-columns: 45px 1fr; gap: 8px 16px; padding: 30px 0; }
  .about-principle-list span { font-size: 18px; }
  .about-principle-list h3 { font-size: 18px; }
  .about-scope > div { grid-template-columns: 1fr; gap: 5px; }
  .about-operator-profile h3 { font-size: 24px; }
  .about-story { margin-top: 28px; }
  .about-contact-form { padding: 28px 20px; box-shadow: 10px 10px 0 rgba(30,87,91,.17); }
  .about-form-row { grid-template-columns: 1fr; gap: 0; }
  .about-footer-inner { flex-direction: column; }
  .about-footer nav { justify-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* 2026-09-06 About page visual direction */
:root {
  --dai-green: #14b8a6;
  --dai-green-deep: #078f86;
  --dai-cyan: #19aee5;
  --dai-ink: #3f4a52;
  --dai-ink-deep: #29343d;
  --dai-muted: #687780;
  --dai-soft: #f3fbfb;
  --dai-gradient: linear-gradient(112deg, #17b9a8 0%, #13aae4 100%);
}

.about-page { overflow-x: hidden; color: var(--dai-ink); background: #fff; font-weight: 500; }
.about-page main p, .about-page main dd { color: #53616a; font-weight: 600; }
.about-page input, .about-page textarea { font-weight: 500; }
.about-shell { width: min(1120px, calc(100% - 56px)); }
.about-header { position: sticky; top: 0; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); }
.about-header-inner { min-height: 72px; }
.about-brand { display: inline-flex; align-items: center; gap: 9px; color: var(--dai-ink-deep); }
.about-header-nav { display: flex; align-items: center; gap: 34px; font-size: 13px; }
.about-header-contact { border-radius: 999px; padding-inline: 25px; }

.about-hero { min-height: 530px; padding: 92px 0 82px; background-image: linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 38%, rgba(255,255,255,.28) 72%, rgba(255,255,255,.08) 100%), url("./images/about-hero-clinic.png"); background-position: center; background-size: cover; }
.about-hero::before { height: 4px; }
.about-hero::after { display: none; }
.about-hero-copy { width: 100%; min-width: 0; max-width: 660px; }
.about-overline { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.about-hero h1 { margin-bottom: 22px; font-size: clamp(38px, 4.1vw, 57px); line-height: 1.38; }
.about-hero-lead { max-width: 620px; margin-bottom: 30px; font-size: 16px; line-height: 2; }
.about-primary-link { min-width: 220px; justify-content: center; border-radius: 999px; box-shadow: 0 12px 28px rgba(15,174,184,.22); }

.about-centered-label { display: flex; align-items: center; justify-content: center; gap: 22px; margin-bottom: 28px; }
.about-centered-label p { margin: 0; color: var(--dai-ink-deep); font-size: 21px; font-weight: 700; }
.about-centered-label span { width: 72px; height: 2px; background: var(--dai-green); }

.about-intro { position: relative; padding: 90px 0 100px; color: var(--dai-ink); background: #fff; text-align: left; }
.about-intro::after { display: none; }
.about-intro-inner { position: relative; z-index: 1; max-width: 1120px; }
.about-intro-copy { width: 58%; max-width: 680px; }
.about-intro-visual { position: absolute; right: 0; bottom: -100px; width: 40%; height: 330px; background: linear-gradient(90deg, rgba(255,255,255,.15), rgba(255,255,255,.02)), url("./images/about-hero-clinic.png") 75% center/cover; }
.about-intro h2 { max-width: 720px; margin-bottom: 24px; color: var(--dai-ink-deep); font-size: clamp(34px, 3.5vw, 46px); }
.about-intro-inner > p:last-child, .about-intro-copy > p { color: var(--dai-muted); font-size: 15px; line-height: 2; }

.about-section { padding: 94px 0; }
.about-section-heading { display: block; margin-bottom: 48px; text-align: center; }
.about-section-heading .about-centered-label { margin-bottom: 24px; }
.about-section-heading h2 { max-width: 820px; margin-inline: auto; font-size: clamp(32px, 3.2vw, 43px); }
.about-section-heading > p:last-child { margin-top: 10px; color: var(--dai-green-deep); font-weight: 700; }
.about-solution-list { grid-auto-rows: 1fr; gap: 20px; }
.about-solution-list article { position: relative; display: flex; height: 100%; min-height: 260px; padding: 28px 28px 30px; border: 1px solid #d9f0ef; border-radius: 14px; background: linear-gradient(145deg, #fff, #eefafa); box-shadow: 0 12px 34px rgba(30,105,107,.07); }
.about-solution-list article > div { display: flex; width: 100%; flex-direction: column; }
.about-solution-list article::before { display: none; }
.about-solution-icon, .about-flow-icon { display: grid; width: 52px; height: 52px; place-items: center; margin-bottom: 18px; border: 2px solid var(--dai-green); border-radius: 50%; color: var(--dai-green); font-size: 28px; font-weight: 700; line-height: 1; }
.about-solution-icon svg, .about-flow-icon svg { width: 27px; height: 27px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.about-solution-list h3 { min-height: 3.4em; font-size: 18px; line-height: 1.7; }
.about-solution-list p { font-size: 14px; line-height: 1.9; }

.about-principles { color: var(--dai-ink); background: #fff; }
.about-section-heading-light .about-centered-label p, .about-section-heading-light h2 { color: var(--dai-ink-deep); }
.about-section-heading-light .about-centered-label span { background: var(--dai-green); }
.about-process-list-dark { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: none; }
.about-process-list-dark li { display: block; min-height: 250px; padding: 42px 24px 28px; color: var(--dai-ink); border: 1px solid #d9ecec; border-radius: 12px; background: #fff; text-align: center; box-shadow: 0 10px 30px rgba(33,100,102,.06); }
.about-process-list-dark li::before { top: 50%; right: -21px; bottom: auto; left: auto; width: 20px; height: 2px; background: var(--dai-green); }
.about-process-list-dark li::after { position: absolute; top: calc(50% - 4px); right: -21px; width: 9px; height: 9px; border-top: 2px solid var(--dai-green); border-right: 2px solid var(--dai-green); content: ""; transform: rotate(45deg); }
.about-process-list-dark li:last-child::after { display: none; }
.about-process-list-dark li > span { position: absolute; top: -16px; left: -8px; width: 52px; height: 52px; color: var(--dai-ink-deep); border: 0; background: #a9f1ed; }
.about-process-list-dark .about-flow-icon { margin: 0 auto 18px; }
.about-process-list-dark h3 { color: var(--dai-ink-deep); font-size: 18px; }
.about-process-list-dark p { color: var(--dai-muted); font-size: 14px; line-height: 1.85; }

.about-specialization { background: linear-gradient(180deg, #f4fbfb, #fff); }
.about-specialization { padding-bottom: 52px; }
.about-specialization-grid { display: block; }
.about-specialization-title { text-align: center; }
.about-specialization-title h2 { margin-bottom: 44px; font-size: clamp(32px, 3.2vw, 43px); }
.about-specialization-body { max-width: 980px; margin-inline: auto; }
.about-specialization-body > p { padding-left: 0; border-left: 0; color: var(--dai-muted); line-height: 2; }
.about-specialization-body > p + p { margin-top: 28px; }
.about-scope { overflow: hidden; margin-top: 42px; border: 0; border-radius: 10px; box-shadow: 0 8px 26px rgba(26,116,117,.06); }
.about-scope > div { grid-template-columns: 220px 1fr; gap: 0; padding: 0; border: 0; }
.about-scope dt, .about-scope dd { padding: 18px 24px; }
.about-scope dt { display: grid; place-items: center; color: #176b68; background: #b9f0e9; }
.about-scope dd { background: #effafa; }
.about-scope > div + div { border-top: 8px solid #fff; }

.about-operator { padding-top: 44px; }
.about-operator-compact { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 0 38px; max-width: 980px; }
.about-operator-compact > h2, .about-story > h3 { padding-left: 18px; border-bottom: 0; border-left: 4px solid var(--dai-cyan); color: #087a99; font-size: 25px; }
.about-operator-compact > h2 { grid-column: 1 / -1; margin-bottom: 36px; padding-bottom: 0; }
.about-operator-photo { width: 250px; aspect-ratio: 1; margin: 0; border-radius: 10px; }
.about-operator-profile { max-width: none; min-height: 270px; }
.about-operator-profile h3 { padding-top: 2px; margin-bottom: 18px; font-size: 32px; }
.about-operator-profile > p { color: var(--dai-muted); line-height: 2; }
.about-story { grid-column: 1 / -1; max-width: none; margin-top: 60px; padding-top: 0; border: 0; }
.about-story > h3 { margin-bottom: 34px; }
.about-story [data-founding-story] { display: block; }
.about-story-group { padding: 30px 0; border-top: 1px solid #dcebea; }
.about-story-group:first-child { padding-top: 0; border-top: 0; }
.about-story h4 { display: block; margin: 0 0 18px; color: var(--dai-green-deep); font-size: 20.25px; line-height: 1.2; }
.about-story p { margin: 0 0 20px; padding: 0; border: 0; color: var(--dai-muted); line-height: 2; }
.about-story-group p:last-child { margin-bottom: 0; }

.about-contact { position: relative; overflow: hidden; padding: 86px 0 96px; background: radial-gradient(circle at 0 100%, rgba(56,185,134,.22), transparent 25%), radial-gradient(circle at 100% 20%, rgba(41,194,220,.2), transparent 27%), #eafafa; }
.about-contact-single > h2 { display: flex; align-items: center; justify-content: center; gap: 24px; color: var(--dai-green-deep); white-space: nowrap; }
.about-contact-single > h2::before, .about-contact-single > h2::after { width: 58px; height: 2px; background: var(--dai-green); content: ""; }
.about-contact-form { border-radius: 12px; box-shadow: 0 18px 50px rgba(34,120,119,.12); }
.about-form-field input, .about-form-field textarea { border-color: #d8e5e5; border-radius: 7px; background: rgba(255,255,255,.94); }
.about-submit { justify-content: center; border-radius: 8px; }

.about-footer { position: relative; overflow: hidden; padding-bottom: 64px; color: var(--dai-muted); background: #fff; }
.about-footer::after { position: absolute; right: -6%; bottom: -64px; width: 65%; height: 110px; border-radius: 50% 0 0; background: linear-gradient(165deg, rgba(45,205,194,.16), rgba(26,180,226,.46)); content: ""; transform: rotate(-4deg); }
.about-brand-footer { color: var(--dai-ink-deep); }
.about-footer nav a { color: var(--dai-muted); }
.about-copyright { border-color: #e8eeee; }

@media (max-width: 900px) {
  .about-process-list-dark { grid-template-columns: repeat(2, 1fr); }
  .about-process-list-dark li::before, .about-process-list-dark li::after { display: none; }
  .about-intro::after { left: 58%; }
}

@media (max-width: 640px) {
  .about-shell { width: min(100% - 32px, 1120px); }
  .about-header-nav { flex: 0 0 auto; gap: 0; }
  .about-header-contact { min-height: 36px; padding-inline: 12px; }
  .about-brand { font-size: 20px; }
  .about-hero { min-height: 0; padding: 62px 0 68px; background-image: linear-gradient(90deg, rgba(255,255,255,.98), rgba(255,255,255,.86)), url("./images/about-hero-clinic.png"); }
  .about-hero h1 { max-width: 100%; font-size: 30px; overflow-wrap: anywhere; }
  .about-hero-lead { max-width: 100%; overflow-wrap: anywhere; }
  .about-centered-label { gap: 12px; }
  .about-centered-label p { font-size: 17px; text-align: center; }
  .about-centered-label span { width: 34px; }
  .about-intro-copy { width: 100%; }
  .about-intro-visual { display: none; }
  .about-section-heading h2, .about-specialization-title h2 { font-size: 25px; }
  .about-process-list-dark { grid-template-columns: 1fr; gap: 28px; }
  .about-process-list-dark li { min-height: 0; }
  .about-solution-list h3 { min-height: 0; }
  .about-scope > div { grid-template-columns: 1fr; }
  .about-scope dt { place-items: start; }
  .about-operator-compact { grid-template-columns: 1fr; }
  .about-operator-compact > h2, .about-story { grid-column: 1; }
  .about-operator-photo { width: min(100%, 280px); margin: 0 0 28px; }
  .about-operator-profile h3 { font-size: 27px; }
  .about-contact-single > h2 { gap: 8px; font-size: 16px; }
  .about-contact-single > h2::before, .about-contact-single > h2::after { width: 12px; }
}

/* TEMAIRAZU typography reference: font properties only */
.about-page {
  font-family: "游ゴシック", "Yu Gothic", YuGothic, "メイリオ", Meiryo, Rubik, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: normal;
}
.about-page h1,
.about-page h2,
.about-page h3,
.about-page h4 {
  line-height: 1.2;
  letter-spacing: normal;
}
.about-brand { font-size: 20.25px; line-height: 1.2; letter-spacing: normal; }
.about-header-nav,
.about-header-contact { font-size: 10.5px; line-height: 1.6; }
.about-overline { font-size: 15px; line-height: 1.6; letter-spacing: normal; }
.about-hero h1 { font-size: clamp(30px, 3.45vw, 49.5px); line-height: 1.2; }
.about-hero-lead { font-size: 16.5px; line-height: 1.7; }
.about-primary-link { font-size: 15px; line-height: 1.6; }
.about-centered-label p { font-size: 19.5px; line-height: 1.2; }
.about-intro h2,
.about-section-heading h2,
.about-specialization-title h2,
.about-contact-single > h2 { font-size: 30px; line-height: 1.2; }
.about-intro-copy > p,
.about-specialization-body > p,
.about-operator-profile > p,
.about-story p { font-size: 15px; line-height: 1.6; }
.about-solution-list h3,
.about-process-list-dark h3 { font-size: 20.25px; line-height: 1.2; }
.about-solution-list p,
.about-process-list-dark p { font-size: 15px; line-height: 1.6; }
.about-operator-compact > h2,
.about-story > h3,
.about-operator-profile h3 { font-size: 30px; line-height: 1.2; }
.about-form-field label,
.about-form-field input,
.about-form-field textarea { font-size: 15px; line-height: 1.6; }
.about-footer { font-size: 15px; line-height: 1.6; }

@media (max-width: 640px) {
  .about-page { font-size: 15px; line-height: 1.6; letter-spacing: normal; }
  .about-brand { font-size: 20.25px; line-height: 1.2; }
  .about-header-contact { font-size: 10.5px; line-height: 1.6; }
  .about-overline { font-size: 15px; line-height: 1.6; }
  .about-hero h1 { font-size: 30px; line-height: 1.2; }
  .about-hero-lead { font-size: 16.5px; line-height: 1.7; }
  .about-centered-label p { font-size: 19.5px; line-height: 1.2; }
  .about-intro h2,
  .about-section-heading h2,
  .about-specialization-title h2 { font-size: 30px; line-height: 1.2; }
  .about-operator-compact > h2,
  .about-story > h3,
  .about-operator-profile h3 { font-size: 30px; line-height: 1.2; }
  .about-contact-single > h2 { font-size: 16px; line-height: 1.2; }
}

/* 2026-09-07 readability adjustments */
.about-header-contact { font-size: 15px; }
.about-page main p,
.about-page main dd,
.about-intro-copy > p,
.about-solution-list p,
.about-process-list-dark p,
.about-specialization-body > p,
.about-operator-profile > p,
.about-story p { color: #34434d; font-size: 18px; }
.about-overline,
.about-centered-label p,
.about-operator-compact > h2,
.about-story > h3,
.about-story h4 { color: #075f58; }
.about-hero-copy { max-width: 560px; }
.about-hero-lead { max-width: 540px; }
.about-operator-compact { grid-template-columns: minmax(0, 1fr); gap: 0; }
.about-operator-compact > h2,
.about-operator-profile,
.about-story { grid-column: 1; }
.about-operator-profile { min-height: 0; }

@media (max-width: 640px) {
  .about-header-contact { font-size: 15px; }
  .about-page main p,
  .about-page main dd,
  .about-intro-copy > p,
  .about-solution-list p,
  .about-process-list-dark p,
  .about-specialization-body > p,
  .about-operator-profile > p,
  .about-story p { font-size: 18px; }
}

/* 2026-09-07 requested sizing corrections */
.about-hero-copy {
  max-width: 720px;
}

.about-hero h1 {
  max-width: 720px;
  font-size: clamp(30px, 2.5vw, 36px);
  white-space: pre-line;
}

.about-page main .about-solution-list p,
.about-page main .about-process-list-dark p,
.about-page main .about-operator-profile > p,
.about-page main .about-story p {
  font-size: 15px;
}

.about-operator-profile h3 {
  font-size: 20.25px;
  font-weight: 700;
  line-height: 1.2;
}

@media (max-width: 900px) {
  .about-hero {
    background-image:
      linear-gradient(90deg, #fff 0%, rgba(255,255,255,.99) 58%, rgba(255,255,255,.94) 68%, rgba(255,255,255,.2) 86%),
      url("./images/about-hero-clinic.png");
  }

  .about-hero-copy,
  .about-hero h1 {
    max-width: 540px;
  }

  .about-hero h1 {
    font-size: 27px;
  }
}

@media (max-width: 640px) {
  .about-hero-copy,
  .about-hero h1 {
    max-width: 100%;
  }

  .about-hero h1 {
    font-size: 27px;
  }

  .about-page main .about-solution-list p,
  .about-page main .about-process-list-dark p,
  .about-page main .about-operator-profile > p,
  .about-page main .about-story p,
  .about-operator-profile h3 {
    font-size: 20.25px;
  }
}