/* Corporate design: quiet surfaces, clear Japanese hierarchy, cyan brand accents. */
:root {
  --color-accent: #30DCFF;
  --color-accent-2: #8CE9FF;
  --color-accent-3: #C4F2FF;
  --color-surface: #E8F8FE;
  --color-primary: #0B78A0;
  --color-primary-hover: #08597A;
  --color-heading-en: #0E86B0;
  --color-text: #1C2B2E;
  --color-text-sub: #3E5054;
  --color-text-muted: #4B5D61;
  --color-line: #E2EBEF;
  --color-line-accent: #CDEFFA;
  --color-white: #FFFFFF;
  --color-diagram: #D3F0FA;
  --color-hero-dot: #B5E8F7;
  --color-works-dot: #CDEEF9;
  --color-input-line: #CDDBE2;
  --color-menu-line: #EDF3F6;
  --color-diagram-muted: #9FB3B5;
  --font-ja: 'IBM Plex Sans JP', 'Hiragino Sans', sans-serif;
  --font-en: 'Outfit', sans-serif;
  --container: 1200px;
  --space-24: 24px;
  --radius-16: 16px;
  --space-8: 8px;
  --space-12: 12px;
  --space-28: 28px;
  --radius-999: 999px;
  --space-32: 32px;
  --space-10: 10px;
  --radius-24: 24px;
  --space-14: 14px;
  --space-20: 20px;
  --space-200: 200px;
  --space-96: 96px;
  --space-1320: 1320px;
  --radius-2: 2px;
  --space-4: 4px;
  --radius-240: 240px;
  --space-150: 150px;
  --space-72: 72px;
  --space-56: 56px;
  --space-80: 80px;
  --space-144: 144px;
  --space-136: 136px;
  --space-48: 48px;
  --space-64: 64px;
  --space-16: 16px;
  --space-40: 40px;
  --radius-3: 3px;
  --space-18: 18px;
  --radius-96: 96px;
  --radius-80: 80px;
  --space-128: 128px;
  --radius-20: 20px;
  --radius-72: 72px;
  --space-44: 44px;
  --space-3: 3px;
  --space-2: 2px;
  --radius-32: 32px;
  --radius-200: 200px;
  --space-88: 88px;
  --radius-14: 14px;
  --space-6: 6px;
  --space-53: 53px;
  --space-160: 160px;
  --space-22: 22px;
  --radius-6: 6px;
  --radius-5: 5px;
  --radius-4: 4px;
  --space-66: 66px;
  --space-36: 36px;
  --radius-12: 12px;
  --space-120: 120px;
  --radius-120: 120px;
}

.b-page__layout { width: 100%; background: var(--color-white); color: var(--color-text); font-family: var(--font-ja); font-size: 16px; line-height: 1.9; letter-spacing: 0.02em; position: relative; overflow: hidden; }
.b-header__header { position: relative; z-index: 5; padding: 20px 32px; border-bottom: 1px solid var(--color-line); background: #fff; }
.b-header__layout { max-width: 1280px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.b-header__link { display: flex; align-items: center; text-decoration: none; background: var(--color-white); border-radius: var(--radius-16); padding: var(--space-8) var(--space-12); }
.b-header__logo { height: 44px; width: auto; display: block; }
.b-nav--layout { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 500; }
.b-header__link-2 { color: var(--color-text); text-decoration: none; padding: var(--space-10) 0; }
.b-btn-primary--layout { color: var(--color-white); background: var(--color-primary); text-decoration: none; padding: var(--space-12) var(--space-28); border-radius: var(--radius-999); line-height: 1.4; }
.b-menu-btn--layout { width: 52px; height: 52px; border: 0; background: var(--color-white); border-radius: var(--radius-999); box-shadow: 0 10px 30px rgba(11, 110, 150, 0.16); align-items: center; justify-content: center; cursor: pointer; padding: 0; color: var(--color-text); }
.b-header__nav { margin: var(--space-12) 0 0; background: var(--color-white); border-radius: var(--radius-24); box-shadow: 0 16px 40px rgba(11, 110, 150, 0.16); padding: var(--space-12) var(--space-24) var(--space-24); display: flex; flex-direction: column; font-size: 16px; font-weight: 500; }
.b-header__link-3 { color: var(--color-text); text-decoration: none; padding: var(--space-14) 0; border-bottom: 1px solid var(--color-menu-line); }
.b-header__link-4 { display: block; color: var(--color-text); text-decoration: none; padding: var(--space-14) 0; border-bottom: 1px solid var(--color-menu-line); }
.b-header__link-5 { margin-top: var(--space-20); color: var(--color-white); background: var(--color-primary); text-decoration: none; padding: var(--space-14) var(--space-24); border-radius: var(--radius-999); text-align: center; }
.b-top__section { display: grid; grid-template-columns: 1.15fr 1fr; max-width: 1344px; margin: auto; padding: 32px; gap: 40px; align-items: stretch; }
.b-hero-text--layout { min-width: 0; padding: 56px 0 64px; display: flex; flex-direction: column; justify-content: center; gap: 28px; }
.b-top__text { margin: 0; display: flex; align-items: center; gap: var(--space-12); font-family: var(--font-en); font-weight: 400; font-size: 14px; letter-spacing: 0.26em; color: var(--color-primary); }
.b-top__decoration { width: 10px; height: 10px; background: var(--color-accent); border-radius: var(--radius-2); flex: none; }
.b-top__title { margin: 0; font-size: clamp(38px, 4.6vw, 66px); line-height: 1.45; font-weight: 700; letter-spacing: -.045em; }
.b-top__layout { width: 48px; height: 3px; background: var(--color-accent); }
.b-top__text-2 { margin: 0; font-size: clamp(16px, 1.25vw, 18px); line-height: 2; color: var(--color-text-sub); max-width: 30em; text-wrap: pretty; }
.b-top__layout-2 { display: flex; flex-wrap: wrap; gap: var(--space-14); margin-top: var(--space-4); }
.b-btn-primary-2 { display: inline-flex; align-items: center; justify-content: space-between; gap: var(--space-28); min-height: 58px; padding: 0 var(--space-12) 0 var(--space-32); box-sizing: border-box; background: var(--color-primary); color: var(--color-white); text-decoration: none; border-radius: var(--radius-999); font-weight: 700; font-size: 16px; }
.b-top__decoration-2 { width: 36px; height: 36px; border-radius: var(--radius-999); background: var(--color-white); color: var(--color-primary); display: inline-flex; align-items: center; justify-content: center; }
.b-btn-secondary--layout { display: inline-flex; align-items: center; gap: var(--space-10); min-height: 58px; padding: 0 var(--space-28); box-sizing: border-box; background: var(--color-surface); color: var(--color-primary); text-decoration: none; border-radius: var(--radius-999); border: 1.5px solid var(--color-surface); font-weight: 700; font-size: 16px; }
.b-hero-visual--layout { min-width: 0; background: #102f3a; border-radius: 8px 8px 80px 8px; padding: 32px; display: flex; flex-direction: column; justify-content: space-between; align-items: center; }
.b-top__diagram { width: 100%; max-width: 420px; height: auto; display: block; font-family: var(--font-ja); }
.b-services__section { padding: clamp(var(--space-80), 10vw, var(--space-144)) var(--space-24) clamp(var(--space-80), 10vw, var(--space-136)); box-sizing: border-box; }
.b-services__layout { max-width: var(--container); margin: 0 auto; display: flex; flex-direction: column; gap: clamp(var(--space-48), 6vw, var(--space-80)); }
.b-services__layout-2 { display: flex; flex-direction: row-reverse; align-items: flex-end; justify-content: space-between; gap: 32px 64px; }
.b-services__text { margin: 0; flex: 1 1 360px; max-width: 30em; font-size: 17px; line-height: 2; color: var(--color-text-sub); text-wrap: pretty; }
.b-services__layout-3 { text-align: left; flex: 1 1 50%; }
.b-services__heading { margin: 0 0 18px; font-family: var(--font-en), var(--font-ja); font-size: 12px; font-weight: 500; line-height: 1.6; letter-spacing: .15em; color: var(--color-primary); }
.b-services__text-2 { margin: 0; font-size: clamp(26px, 2.8vw, 38px); font-weight: 700; letter-spacing: -.035em; line-height: 1.55; color: var(--color-text); }
.b-services__list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; }
.b-services__item { display: flex; gap: clamp(var(--space-16), 3vw, var(--space-40)); }
.b-rail--layout { display: none; }
.b-services__decoration { width: 14px; height: 14px; border-radius: var(--radius-3); background: var(--color-accent); margin-top: var(--space-18); flex: none; }
.b-services__decoration-2 { width: 2px; flex: 1; background: var(--color-line-accent); margin-top: var(--space-8); }
.b-services__layout-4 { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: var(--space-32) var(--space-56); padding: 0 0 clamp(var(--space-56), 6vw, var(--space-80)); border-bottom: 1px solid var(--color-line); margin-bottom: clamp(var(--space-40), 5vw, var(--space-64)); }
.b-services__layout-5 { flex: 1 1 400px; min-width: 0; display: flex; flex-direction: column; gap: var(--space-18); }
.b-services__layout-6 { display: flex; align-items: baseline; gap: var(--space-18); flex-wrap: wrap; }
.b-num--layout { font-family: var(--font-en); font-weight: 200; font-size: 48px; line-height: 1; color: var(--color-heading-en); }
.b-services__decoration-3 { font-family: var(--font-en); font-weight: 400; font-size: 13px; letter-spacing: 0.16em; color: var(--color-text-muted); }
.b-services__title { margin: 0; font-size: clamp(22px, 2vw, 26px); line-height: 1.5; font-weight: 700; }
.b-services__text-3 { margin: 0; font-size: 16px; line-height: 1.95; color: var(--color-text-sub); max-width: 34em; }
.b-services__features { margin: var(--space-4) 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-8) var(--space-28); font-size: 15px; font-weight: 500; }
.b-services__item-2 { display: flex; align-items: center; gap: var(--space-10); }
.b-services__decoration-4 { width: 14px; height: 2px; background: var(--color-accent); }
.b-services__layout-7 { flex: 0 1 300px; min-width: 0; background: #f2f7f8; border-radius: 8px; padding: 24px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; }
.b-services__diagram { width: 100%; max-width: 320px; height: auto; display: block; }
.b-services__decoration-5 { width: 14px; height: 14px; border-radius: var(--radius-3); background: var(--color-primary); margin-top: var(--space-18); flex: none; }
.b-services__layout-8 { flex: 1; min-width: 0; display: flex; flex-wrap: wrap; gap: var(--space-32) var(--space-56); }
.b-services__diagram-2 { width: 100%; max-width: 320px; height: auto; display: block; font-family: var(--font-ja); }
.b-cases__section { background: #f2f7f8; padding: clamp(64px, 8vw, 112px) 24px; box-sizing: border-box; }
.b-cases__layout { max-width: var(--container); margin: 0 auto; display: flex; flex-direction: column; gap: clamp(var(--space-40), 5vw, var(--space-64)); }
.b-cases__layout-2 { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-24) var(--space-64); }
.b-cases__layout-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: var(--space-28); }
.b-cases__card { background: #fff; border: 1px solid #dce6e9; border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; }
.b-cases__layout-4 { padding: clamp(24px, 3vw, 40px); display: flex; flex-direction: column; gap: 20px; border-top: 3px solid var(--color-primary); }
.b-cases__layout-5 { display: flex; flex-wrap: wrap; gap: var(--space-8); }
.b-cases__decoration { font-size: 13px; font-weight: 700; color: var(--color-primary); background: var(--color-surface); border-radius: var(--radius-999); padding: var(--space-4) var(--space-14); }
.b-cases__decoration-2 { font-size: 13px; font-weight: 700; color: var(--color-text); background: var(--color-white); border: 1.5px solid var(--color-accent); border-radius: var(--radius-999); padding: var(--space-3) var(--space-14); }
.b-cases__title { margin: 0; font-size: clamp(20px, 1.8vw, 23px); line-height: 1.6; font-weight: 700; }
.b-cases__text { margin: -8px 0 0; font-size: 14px; color: var(--color-text-muted); }
.b-cases__details { margin: var(--space-4) 0 0; display: flex; flex-direction: column; }
.b-cases__layout-6 { display: flex; gap: var(--space-14); }
.b-cases__decoration-3 { display: flex; flex-direction: column; align-items: center; flex: none; }
.b-cases__decoration-4 { width: 10px; height: 10px; border-radius: var(--radius-2); background: var(--color-accent-2); margin-top: var(--space-8); }
.b-cases__decoration-5 { width: 2px; flex: 1; background: var(--color-diagram); }
.b-cases__layout-7 { padding-bottom: var(--space-16); }
.b-cases__term { font-size: 14px; font-weight: 700; color: var(--color-primary); }
.b-cases__description { margin: var(--space-2) 0 0; font-size: 15px; line-height: 1.9; color: var(--color-text-sub); }
.b-cases__decoration-6 { width: 10px; height: 10px; border-radius: var(--radius-2); background: var(--color-accent); margin-top: var(--space-8); }
.b-process__list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: var(--space-40) 0; }
.b-step--layout { position: relative; padding-right: var(--space-32); display: flex; flex-direction: column; gap: var(--space-12); }
.b-step-node--layout { position: absolute; width: 14px; height: 14px; border-radius: var(--radius-3); background: var(--color-accent-2); }
.b-process__decoration { font-family: var(--font-en); font-weight: 300; font-size: 15px; letter-spacing: 0.16em; color: var(--color-primary); }
.b-process__title { margin: 0; font-size: 21px; line-height: 1.5; font-weight: 700; }
.b-process__text { margin: 0; font-size: 16px; line-height: 1.95; color: var(--color-text-sub); }
.b-step-node-2 { position: absolute; width: 14px; height: 14px; border-radius: var(--radius-3); background: var(--color-accent); }
.b-step-node-3 { position: absolute; width: 14px; height: 14px; border-radius: var(--radius-3); background: var(--color-heading-en); }
.b-step-node-4 { position: absolute; width: 14px; height: 14px; border-radius: var(--radius-3); background: var(--color-primary); }
.b-about__section { padding: 0 var(--space-24) clamp(var(--space-80), 10vw, var(--space-144)); box-sizing: border-box; }
.b-about__layout { max-width: var(--container); margin: auto; background: #f2f7f8; border-radius: 8px; padding: clamp(28px, 5vw, 64px); box-sizing: border-box; display: flex; flex-wrap: wrap; gap: 40px 64px; align-items: center; }
.b-about__layout-2 { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: var(--space-24); }
.b-about__text { margin: var(--space-16) 0 0; font-size: clamp(24px, 2.4vw, 30px); line-height: 1.6; font-weight: 700; }
.b-about__text-2 { margin: 0; font-size: 16px; line-height: 2; color: var(--color-text-sub); text-wrap: pretty; }
.b-about__layout-3 { flex: 1 1 360px; min-width: 0; display: flex; flex-direction: column; }
.b-about__layout-4 { background: #fff; border: 1px solid var(--color-line); border-radius: 8px; padding: 24px; display: flex; gap: 20px; align-items: flex-start; }
.b-about__decoration { width: 52px; height: 52px; border-radius: var(--radius-14); background: var(--color-surface); display: flex; align-items: center; justify-content: center; flex: none; }
.b-about__title { margin: 0; font-size: 19px; line-height: 1.5; font-weight: 700; }
.b-about__text-3 { margin: var(--space-6) 0 0; font-size: 15px; line-height: 1.9; color: var(--color-text-sub); }
.b-about__layout-5 { display: flex; justify-content: flex-start; padding-left: var(--space-53); }
.b-about__decoration-2 { width: 2px; height: 32px; background: var(--color-accent); }
.b-about__decoration-3 { width: 52px; height: 52px; border-radius: var(--radius-14); background: var(--color-primary); display: flex; align-items: center; justify-content: center; flex: none; }
.b-company__section { padding: 0 var(--space-24) clamp(var(--space-96), 11vw, var(--space-160)); box-sizing: border-box; }
.b-company__layout { max-width: var(--container); margin: 0 auto; display: flex; flex-wrap: wrap; gap: var(--space-40) var(--space-80); }
.b-company__layout-2 { flex: 0 1 320px; }
.b-company__details { flex: 1 1 560px; min-width: 0; margin: 0; display: flex; flex-direction: column; }
.b-row--layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 0 var(--space-40); }
.b-company__term { padding: var(--space-22) 0 var(--space-22) var(--space-4); border-bottom: 2px solid var(--color-accent); font-weight: 700; }
.b-company__description { margin: 0; padding: var(--space-22) 0; border-bottom: 1px solid var(--color-line); }
.b-company__description-2 { margin: 0; padding: var(--space-22) 0; border-bottom: 1px solid var(--color-line); display: flex; flex-wrap: wrap; gap: var(--space-8) var(--space-12); align-items: center; }
.b-contact__section { background: #102f3a; color: #fff; padding: clamp(64px, 8vw, 112px) 24px; box-sizing: border-box; }
.b-contact__layout { max-width: var(--container); margin: 0 auto; display: flex; flex-wrap: wrap; gap: var(--space-48) var(--space-80); align-items: flex-start; }
.b-contact__layout-2 { flex: 1 1 360px; min-width: 0; display: flex; flex-direction: column; gap: var(--space-24); }
.b-contact__heading { margin: 0; font-family: var(--font-en), var(--font-ja); font-size: 12px; font-weight: 500; line-height: 1.6; letter-spacing: .15em; color: #8ce9ff; }
.b-contact__text { margin: 24px 0 0; font-size: clamp(32px, 3.6vw, 48px); font-weight: 700; letter-spacing: -.03em; line-height: 1.5; }
.b-contact__text-2 { margin: var(--space-8) 0 0; font-size: 17px; line-height: 2; max-width: 26em; text-wrap: pretty; }
.b-contact__layout-3 { display: flex; gap: var(--space-10); align-items: flex-end; margin-top: var(--space-16); }
.b-contact__decoration { width: 40px; height: 40px; border-radius: var(--radius-6); background: var(--color-accent); }
.b-contact__decoration-2 { width: 26px; height: 26px; border-radius: var(--radius-5); background: var(--color-accent-2); margin-bottom: var(--space-40); }
.b-contact__decoration-3 { width: 16px; height: 16px; border-radius: var(--radius-4); background: var(--color-accent-3); margin-bottom: var(--space-66); }
.b-contact__form { flex: 1.3 1 480px; min-width: 0; background: #fff; color: var(--color-text); border-radius: 8px; padding: clamp(24px, 4vw, 48px); box-sizing: border-box; display: flex; flex-direction: column; gap: 22px; }
.b-contact__layout-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: var(--space-22); }
.b-field--layout { display: flex; flex-direction: column; gap: var(--space-8); }
.b-contact__label { font-size: 15px; font-weight: 700; }
.b-contact__label-2 { font-size: 15px; font-weight: 700; display: flex; gap: var(--space-8); align-items: center; }
.b-contact__decoration-4 { font-size: 12px; color: var(--color-white); background: var(--color-primary); border-radius: var(--radius-4); padding: 0 var(--space-6); }
.b-contact__label-3 { display: flex; align-items: center; gap: var(--space-12); font-size: 15px; min-height: 44px; cursor: pointer; }
.b-contact__input { width: 22px; height: 22px; accent-color: var(--color-primary); margin: 0; }
.b-contact__link { color: var(--color-primary); }
.b-submit--layout { align-self: flex-start; display: inline-flex; align-items: center; gap: var(--space-24); min-height: 58px; padding: 0 var(--space-12) 0 var(--space-36); border: 0; background: var(--color-primary); color: var(--color-white); border-radius: var(--radius-999); font: inherit; font-weight: 700; font-size: 16px; cursor: pointer; }
.b-footer__footer { background: var(--color-white); padding: var(--space-56) var(--space-24) var(--space-40); box-sizing: border-box; }
.b-footer__layout { max-width: var(--container); margin: 0 auto; display: flex; flex-direction: column; gap: var(--space-32); }
.b-footer__layout-2 { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-24); }
.b-footer__link { display: flex; text-decoration: none; }
.b-footer__logo { height: 40px; width: auto; display: block; }
.b-footer__nav { display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-28); font-size: 14px; font-weight: 500; }
.b-footer__link-2 { display: inline-block; color: var(--color-text); text-decoration: none; padding: var(--space-10) 0; }
.b-footer__layout-3 { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-8) var(--space-24); border-top: 1px solid var(--color-line); padding-top: var(--space-24); font-size: 13px; color: var(--color-text-muted); }
.b-footer__decoration { font-family: var(--font-en); letter-spacing: 0.06em; }

/* Interaction and responsive layouts */

body{margin: 0;background:var(--color-white)}
a{color:var(--color-primary)}a:hover{color:var(--color-primary-hover)}
.b-menu-btn{display:none !important}
.b-nav a:not(.b-btn-primary):hover{color:var(--color-primary)}
.b-btn-primary:hover,.b-header__link-5:hover{color:#fff}
.b-btn-primary:hover{background:var(--color-primary-hover) !important}
.b-btn-secondary:hover{background:var(--color-white) !important;border-color:var(--color-primary) !important}
.b-flow{stroke-dasharray:6 12;animation:b-flow 2.4s linear infinite}
@keyframes b-flow{to{stroke-dashoffset:-36}}
@media (prefers-reduced-motion: reduce){.b-flow{animation:none}}
.b-field input,.b-field select,.b-field textarea{font:inherit;color:var(--color-text);background:var(--color-white);border:1.5px solid var(--color-input-line);border-radius: var(--radius-12);padding: var(--space-12) var(--space-16);min-height:52px;box-sizing:border-box;width:100%}
.b-field textarea{min-height:160px;resize:vertical;line-height:1.8}
.b-field input:focus,.b-field select:focus,.b-field textarea:focus{outline:3px solid rgba(48,220,255,0.45);outline-offset:1px;border-color:var(--color-primary)}
.b-submit:hover{background:var(--color-primary-hover) !important}
.b-step{border-top:2px solid var(--color-line-accent);padding-top: var(--space-32)}
.b-step-node{top:-8px;left:0}
@media (max-width: 1100px){
.b-nav{display:none !important}
.b-menu-btn{display:inline-flex !important}
}
@media (max-width: 960px){
.b-top__section{gap:24px}
.b-hero-text{padding:32px 0}
.b-services__layout-2{flex-direction:column-reverse;align-items:stretch}
.b-services__text,.b-services__layout-3{flex:auto}
}
@media (max-width: 640px){
.b-rail{width:36px !important}
.b-num{font-size:32px !important}
.b-step{border-top:0 !important;border-left:2px solid var(--color-line-accent);padding-top: 0 !important;padding-left: var(--space-28);padding-bottom: var(--space-8)}
.b-step-node{top:6px !important;left:-8px !important}
.b-row{grid-template-columns:1fr !important;gap: 0 !important}
.b-row dt{border-bottom:0 !important;padding: var(--space-20) 0 0 !important;font-size:14px;color:var(--color-primary)}
.b-row dd{padding: var(--space-4) 0 var(--space-20) !important}
}

html{scroll-behavior:smooth}section[id]{scroll-margin-top: var(--space-96)}

/* hidden must override flex layouts, including the mobile navigation. */
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
#contact :focus-visible { outline-color: var(--color-accent); }
html[data-show-works="false"] #cases,
html[data-show-works="false"] a[href="#cases"] { display: none !important; }
.b-contact-status { margin: 0; font-size: 16px; line-height: 1.9; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.b-cases__entry { margin: 0; min-width: 0; }

/* Contact submission: confirmation is shown only after validation. */
.b-contact-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.b-contact-confirm { width: min(560px, calc(100% - 48px)); max-height: calc(100% - 48px); box-sizing: border-box; overflow-y: auto; padding: var(--space-24); border: 0; border-radius: var(--radius-24); color: var(--color-text); font-family: var(--font-ja); font-size: 16px; line-height: 1.9; }
.b-contact-confirm::backdrop { background: rgba(28, 43, 46, 0.5); }
.b-contact-confirm h2 { margin: 0 0 var(--space-24); font-size: 24px; }
.b-contact-confirm__details { margin: 0; overflow-wrap: anywhere; }
.b-contact-confirm__details dt { font-weight: 700; }
.b-contact-confirm__details dd { margin: 0 0 var(--space-16); white-space: pre-wrap; }
.b-contact-confirm__actions { display: flex; flex-wrap: wrap; gap: var(--space-12); }
.b-contact-confirm button { font: inherit; min-height: 48px; padding: var(--space-8) var(--space-24); border: 1px solid var(--color-primary); border-radius: var(--radius-999); background: var(--color-white); color: var(--color-primary); cursor: pointer; }
#confirm-send { background: var(--color-primary); color: var(--color-white); }
.b-contact-confirm__feedback { display: flex; flex-direction: column; align-items: center; gap: var(--space-24); text-align: center; padding: var(--space-16) 0; }
.b-contact-confirm__feedback p { margin: 0; overflow-wrap: anywhere; }
.b-contact-confirm__indicator { box-sizing: border-box; width: 56px; height: 56px; border: 4px solid var(--color-line); border-top-color: var(--color-primary); border-radius: 50%; animation: b-contact-spin 0.8s linear infinite; }
.b-contact-confirm[data-state="success"] .b-contact-confirm__indicator { display: grid; place-items: center; border: 0; background: var(--color-primary); color: var(--color-white); font-size: 32px; font-weight: 700; animation: none; }
.b-contact-confirm[data-state] h2 { text-align: center; }
@keyframes b-contact-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .b-contact-confirm__indicator { animation: none; } }
button:disabled { cursor: wait; opacity: 0.65; }

.b-contact-note { margin: 0; font-size: 16px; line-height: 1.9; overflow-wrap: anywhere; }

/* Editorial details and compact-screen composition. */
.b-top__emphasis { color: var(--color-primary); }
.b-visual-label { align-self: flex-start; color: #b3d2dc; font: 12px var(--font-en); letter-spacing: .14em; margin: 0; }
.b-visual-caption { align-self: flex-start; color: #c6dae1; font-size: 14px; line-height: 1.9; margin: 12px 0 0; }
.b-visual-caption strong { color: #fff; font-size: 20px; }
.b-service-index { max-width: 1280px; margin: 0 auto; padding: 24px 32px; display: grid; grid-template-columns: .85fr 1fr 1fr 1fr; align-items: center; border-bottom: 1px solid var(--color-line); gap: 24px; }
.b-service-index > span { font-size: 13px; color: var(--color-text-muted); }
.b-service-index a { display: flex; align-items: center; gap: 12px; padding: 12px 0; text-decoration: none; color: var(--color-text); font-size: 14px; font-weight: 500; }
.b-service-index a > span { margin-left: auto; color: var(--color-primary); }
.b-service-index small { color: var(--color-primary); font-family: var(--font-en); }
.b-service-index a:hover { color: var(--color-primary); }
.b-services__item[id] { scroll-margin-top: 32px; }
.b-form-intro { margin: 0; font-size: 19px; font-weight: 700; }
.b-form-intro span { display: block; font-size: 13px; font-weight: 400; color: var(--color-text-muted); margin-top: 8px; }
.b-contact__input { flex: none; }
.b-field textarea::placeholder { color: #667b82; opacity: 1; }
.b-contact-note { font-size: 13px; }
.b-skip-link { position: fixed; left: 16px; top: -100px; z-index: 20; background: #fff; padding: 12px 20px; font-family: sans-serif; }
.b-skip-link:focus { top: 12px; }
@media (max-width: 760px) {
 .b-header__header { padding: 12px 20px; }
 .b-header__link { padding: 0; }
 .b-header__logo { height: 40px; }
 .b-top__section { grid-template-columns: 1fr; padding: 12px 24px 32px; gap: 8px; }
 .b-hero-text { padding: 28px 0 32px; gap: 22px; }
 .b-top__title { font-size: clamp(36px, 7.7vw, 54px); }
 .b-hero-visual { padding: 24px; border-radius: 8px 8px 48px 8px; }
 .b-top__diagram { max-width: 300px; }
 .b-visual-caption { font-size: 12px; }
 .b-visual-caption strong { font-size: 17px; }
 .b-service-index { grid-template-columns: 1fr; gap: 0; padding: 16px 24px 24px; }
 .b-service-index > span { padding-bottom: 8px; }
 .b-service-index a { border-bottom: 1px solid var(--color-line); min-height: 28px; }
 .b-services__layout-7 { flex-basis: 100%; padding: 20px; }
 .b-services__diagram,.b-services__diagram-2 { max-width: 260px; }
 .b-services__layout-4,.b-services__layout-8 { gap: 24px; }
 .b-process__list { grid-template-columns: 1fr; }
 .b-step--layout { padding-right: 0; }
 .b-contact__layout { gap: 32px; }
 .b-contact__label-3 { align-items: flex-start; font-size: 14px; }
 .b-contact__input { margin-top: 3px; }
 .b-submit--layout { padding-left: 20px; gap: 16px; font-size: 15px; }
 .b-about__layout-4 { padding: 20px; gap: 12px; }
}
@media (max-width: 380px) {
 .b-top__layout-2 { flex-direction: column; }
 .b-btn-secondary--layout { justify-content: center; }
}