/**
 * OSwrite / C2-C editorial extension v0.1
 * Scope: support entrances, 3-step background, method flow, case studies only.
 * Pair with the v0.3d HTML and home.css. Does not style .hero, header, footer.
 * Design-only; do not upload without integrating with the approved C2-C hero source.
 */

/* 01 ─ Two audiences / full-width editorial split */
#support-entrances {
  background: #fbfaf7;
  padding-block: clamp(76px, 7.4vw, 124px);
}
#support-entrances .section-heading {
  max-width: 820px;
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.1vw, 47px);
  line-height: 1.45;
  letter-spacing: -0.045em;
  color: var(--color-primary);
  text-align: left;
  margin-bottom: clamp(34px, 4.5vw, 58px);
}
#support-entrances .support-entrances {
  max-width: none;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 0;
  border-top: 1px solid #c5ae82;
  border-bottom: 1px solid #d7d4ca;
}
#support-entrances .support-entrance {
  position: relative;
  min-height: 365px;
  padding: 66px clamp(22px, 3.5vw, 50px) 35px 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transform: none;
  transition: background-color 200ms ease;
}
#support-entrances .support-entrance:nth-child(2) {
  border-left: 1px solid #d7d4ca;
  padding-left: clamp(22px, 3.5vw, 50px);
  padding-right: 0;
}
#support-entrances .support-entrance::before {
  content: '01';
  position: absolute;
  top: 24px;
  left: 0;
  color: #9b7c47;
  font: 600 12px/1.4 var(--font-sans);
  letter-spacing: .16em;
}
#support-entrances .support-entrance:nth-child(2)::before {
  content: '02';
  left: clamp(22px, 3.5vw, 50px);
}
#support-entrances .support-entrance:hover { background-color: rgba(238,234,226,.34); }
#support-entrances .service-card__tag {
  background: none;
  border-radius: 0;
  padding: 0;
  width: auto;
  color: #6b7580;
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: .045em;
  margin-bottom: 18px;
}
#support-entrances .service-card__title {
  max-width: 440px;
  color: var(--color-primary);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(23px, 2.6vw, 34px);
  line-height: 1.46;
  letter-spacing: -.035em;
  margin-bottom: 22px;
}
#support-entrances .service-card__lead {
  color: #475563;
  font-size: 15.5px;
  line-height: 1.98;
  margin-bottom: 28px;
  max-width: 480px;
}
#support-entrances .service-card__link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-block: 7px;
  border-bottom: 1px solid #a9a28e;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
  text-decoration: none;
  transition: border-color 170ms ease, color 170ms ease;
}
#support-entrances .service-card__link:hover,
#support-entrances .service-card__link:focus-visible {
  border-color: var(--color-primary);
  color: #0f2a4a;
}

/* 02 ─ Interview / edit / deliver: three editorial chapters */
.backgrounds {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #193653 !important;
  padding-block: clamp(82px, 8vw, 132px) !important;
  color: #fff;
}
.backgrounds::before {
  content: '';
  position: absolute;
  pointer-events: none;
  z-index: -1;
  inset: 0 0 0 40%;
  opacity: .13;
  background: repeating-linear-gradient(90deg, rgba(236,230,214,.25) 0, rgba(236,230,214,.25) 1px, transparent 1px, transparent 52px);
  mask-image: linear-gradient(to right, transparent, #000);
}
.backgrounds .section-heading {
  font: 700 clamp(30px,4.1vw,47px)/1.45 var(--font-serif);
  letter-spacing: -.035em;
  text-align: left;
  color: #f8f7f2;
  margin-bottom: clamp(42px,5vw,65px);
}
.backgrounds__list {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 0;
  max-width: none;
  margin: 0;
  border-top: 1px solid rgba(226,209,175,.76);
}
.backgrounds__item {
  min-width: 0;
  position: relative;
  display: block;
  padding: 30px clamp(17px,2.9vw,34px) 6px 0;
}
.backgrounds__item + .backgrounds__item {
  border-left: 1px solid rgba(229,235,240,.18);
  padding-left: clamp(17px,2.9vw,34px);
}
.backgrounds__item::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #c9a86a;
}
.backgrounds__item + .backgrounds__item::before {
  left: clamp(17px,2.9vw,34px);
}
.backgrounds__number {
  display: block;
  width: auto;
  height: auto;
  margin: 0 0 25px;
  background: none;
  border-radius: 0;
  color: #d8bf86;
  font: 400 29px/1.2 var(--font-serif);
  text-align: left;
}
.backgrounds__heading {
  color: #fff;
  font: 700 clamp(24px,2.55vw,34px)/1.4 var(--font-serif);
  letter-spacing: -.03em;
  margin-bottom: 20px;
}
.backgrounds__item p {
  color: #e1e8ed;
  font-size: 15px;
  line-height: 2.02;
  padding-top: 0;
  margin-bottom: 0;
}

/* 03 ─ Patient journey: four readable phases, no new copy */
.method-summary {
  padding-block: clamp(82px,8vw,132px) !important;
  background: #f2efe7 !important;
}
.method-summary .section-heading {
  color: var(--color-primary);
  text-align: left;
  font: 700 clamp(34px,4.1vw,49px)/1.4 var(--font-serif);
  letter-spacing: -.04em;
  margin-bottom: 24px;
}
.method-summary .section-lead {
  max-width: 840px;
  margin-left: 0;
  text-align: left;
  font-size: 16px;
  line-height: 2;
  margin-bottom: 32px;
}
.method-summary .method-summary__steps {
  display: flex;
  width: 100%;
  align-items: stretch;
  gap: 0;
  margin: 48px 0 36px;
  padding: 0 14px;
  border-block: 1px solid #c5ae82;
  background-color: rgba(255,255,255,.48);
  counter-reset: os-stage;
  text-align: left;
  line-height: 1.5;
}
.method-summary__steps .method-stage {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  min-height: 140px;
  padding: 25px 12px 25px;
  font: 700 clamp(15px,1.7vw,21px)/1.45 var(--font-serif);
  color: var(--color-primary);
  letter-spacing: -.025em;
  white-space: normal;
  text-align: center;
  counter-increment: os-stage;
}
.method-summary__steps .method-stage::before {
  content: '0' counter(os-stage);
  position: static;
  display: block;
  margin-bottom: 18px;
  color: #927244;
  font: 600 12px/1.2 var(--font-sans);
  letter-spacing: .1em;
}
.method-summary__steps .method-arrow {
  flex: 0 0 auto;
  align-self: center;
  padding: 0 4px;
  margin: 0;
  color: #b19259;
  font: 400 23px/1 var(--font-serif);
}
.method-summary .section-cta { text-align: left; margin-top: 36px; }
.method-summary .section-cta .btn--text {
  padding: 5px 0 9px;
  border-bottom: 1px solid #9f8d6b;
  border-radius: 0;
  font-size: 15px;
}

/* 04 ─ Projects: editorial asymmetry without unlicensed imagery */
.cases {
  background: #fff !important;
  padding-block: clamp(84px,8vw,132px) !important;
}
.cases .section-heading {
  max-width: 900px;
  margin-bottom: clamp(38px,4.6vw,60px);
  color: var(--color-primary);
  text-align: left;
  font: 700 clamp(30px,3.9vw,48px)/1.46 var(--font-serif);
  letter-spacing: -.04em;
}
.cases__grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  grid-template-rows: auto;
  gap: 12px;
}
.cases__grid .case-card {
  position: relative;
  min-width: 0;
  padding: clamp(25px,3vw,43px);
  border: 1px solid #dedbd2;
  border-radius: 0;
  box-shadow: none;
  transform: none;
  background: #faf9f6;
  transition: border-color 200ms ease, background-color 200ms ease;
}
.cases__grid .case-card:first-child {
  grid-column: 1 / -1;
  background: #f2efe8;
  border-color: #d9d3c7;
}
.cases__grid .case-card:hover {
  transform: none;
  box-shadow: none;
  background: #f6f4ee;
  border-color: #b29b6d;
}
.cases__grid .case-card::before {
  content: '01';
  color: #a18456;
  font: 600 12px/1 var(--font-sans);
  letter-spacing: .14em;
  margin-bottom: clamp(28px,3.6vw,48px);
}
.cases__grid .case-card:nth-child(2)::before { content: '02'; }
.cases__grid .case-card:nth-child(3)::before { content: '03'; }
.cases__grid .case-card__field {
  color: #586573;
  font-size: 12px;
  letter-spacing: .07em;
  line-height: 1.65;
  margin-bottom: 12px;
}
.cases__grid .case-card__title {
  font: 700 clamp(22px,2.35vw,30px)/1.5 var(--font-serif);
  letter-spacing: -.035em;
  color: var(--color-primary);
  margin-bottom: 22px;
}
.cases__grid .case-card:first-child .case-card__title {
  font-size: clamp(29px,3.2vw,40px);
}
.cases__grid .case-card__details {
  color: #465360;
  font-size: 14px;
  line-height: 1.9;
  flex-grow: 1;
  margin-bottom: 25px;
}
.cases__grid .case-card__details dt {
  padding-top: 12px;
  margin-top: 14px;
  border-top: 1px solid #d4d0c6;
  color: #4c5c6d;
  font-size: 11px;
  letter-spacing: .08em;
}
.cases__grid .case-card__details dd { margin-top: 5px; }
.cases__grid .case-card__link {
  width: fit-content;
  color: var(--color-primary);
  border-bottom: 1px solid #aa9470;
  padding-bottom: 8px;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.6;
  text-decoration: none;
}
.cases__grid .case-card__link:hover,
.cases__grid .case-card__link:focus-visible { text-decoration: none; border-color: var(--color-primary); }
.cases .section-note { text-align: left; line-height: 1.9; margin-top: 25px; }
.cases__related {
  justify-content: flex-start;
  padding-top: 22px;
  border-top: 1px solid #dedbd2;
  margin-top: 40px;
  line-height: 1.9;
}
.cases__related a { text-underline-offset: 4px; }

/* v0.2.1: one full-width feature, followed by two equal-width cases.
   Keep the existing DOM order; only the feature's visual columns change. */
@media (min-width: 768px) {
  .cases__grid .case-card:first-child {
    display: grid;
    grid-template-columns: minmax(0,1fr) minmax(0,1fr);
    grid-template-rows: auto auto auto 1fr;
    grid-template-areas: "number details" "field details" "title details" "link details";
    column-gap: clamp(32px,5vw,72px);
    align-items: start;
  }
  .cases__grid .case-card:first-child::before {
    grid-area: number;
    margin-bottom: 24px;
  }
  .cases__grid .case-card:first-child .case-card__field { grid-area: field; }
  .cases__grid .case-card:first-child .case-card__title { grid-area: title; }
  .cases__grid .case-card:first-child .case-card__details {
    grid-area: details;
    margin-bottom: 0;
    align-self: center;
  }
  .cases__grid .case-card:first-child .case-card__link {
    grid-area: link;
    margin-top: 0;
  }
}

@media (max-width: 767px) {
  #support-entrances, .backgrounds, .method-summary, .cases {
    padding-block: 74px !important;
  }
  #support-entrances .section-heading, .backgrounds .section-heading,
  .method-summary .section-heading, .cases .section-heading { font-size: clamp(28px,7vw,36px); }
  #support-entrances .support-entrances { grid-template-columns: 1fr; }
  #support-entrances .support-entrance {
    min-height: 0;
    padding: 63px 4px 32px 4px;
  }
  #support-entrances .support-entrance:nth-child(2) {
    padding: 63px 4px 32px 4px;
    border-top: 1px solid #d7d4ca;
    border-left: none;
  }
  #support-entrances .support-entrance::before,
  #support-entrances .support-entrance:nth-child(2)::before { left: 4px; top: 22px; }
  #support-entrances .service-card__title { font-size: 27px; }
  .backgrounds__list { grid-template-columns: 1fr; }
  .backgrounds__item, .backgrounds__item + .backgrounds__item {
    padding: 28px 4px 34px;
    border-left: none;
  }
  .backgrounds__item + .backgrounds__item {
    border-top: 1px solid rgba(231,222,205,.32);
  }
  .backgrounds__item + .backgrounds__item::before { left: 0; }
  .backgrounds__item:not(:last-child) { padding-bottom: 30px; }
  .backgrounds__number { font-size: 24px; margin-bottom: 12px; }
  .backgrounds__heading { font-size: 28px; margin-bottom: 14px; }
  .method-summary .section-lead { font-size: 15px; }
  .method-summary .method-summary__steps {
    flex-direction: column;
    padding: 12px 22px;
    margin-block: 28px;
  }
  .method-summary__steps .method-stage {
    width: 100%; flex: auto;
    min-height: 0;
    padding: 24px 6px 13px;
    text-align: left;
    font-size: 20px;
  }
  .method-summary__steps .method-stage::before {
    display: inline-block;
    min-width: 43px;
    margin-bottom: 0;
    vertical-align: baseline;
  }
  .method-summary__steps .method-arrow {
    align-self: flex-start;
    transform: rotate(90deg);
    transform-origin: center;
    padding: 0 0 0 14px;
    font-size: 18px;
    line-height: 1;
  }
  .cases__grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .cases__grid .case-card:first-child { grid-row: auto; }
  .cases__grid .case-card { padding: 27px 23px 32px; }
  .cases__grid .case-card::before { margin-bottom: 22px; }
  .cases__grid .case-card:first-child .case-card__title { font-size: 28px; }
  .cases__related { gap: 8px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  #support-entrances .support-entrance,
  .cases__grid .case-card { transition: none; }
}

/* Local integration QA corrections. Scope remains the four sections only.
   1. Avoid narrow-width overflow of Japanese titles and long responsibility text.
   2. Give the existing destinations a 44px minimum interaction area.
   3. Keep the existing case note readable against white.
   No hero/shared component rules or new motion are added. */
.cases .case-card__title,
.cases .case-card__details dd { overflow-wrap: anywhere; line-break: strict; }
.cases .case-card__title { padding-inline-end: .5em; }
.cases .section-note { color: #4b5563; }
.method-summary .section-cta .btn--text,
.cases .case-card__link,
.cases .cases__related a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
#support-entrances a:focus-visible,
.method-summary a:focus-visible,
.cases a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
  #support-entrances *, .backgrounds *, .method-summary *, .cases * {
    animation: none !important;
    transition: none !important;
  }
}

/* Allow the existing H2 to use the section width; avoids a one-character
   last line caused by the attachment's fixed 820px cap on desktop. */
@media (min-width: 1024px) {
  #support-entrances .section-heading { max-width: none; }
}

/* The supplied tag color measured 4.49:1 on #fbfaf7. */
#support-entrances .service-card__tag { color: #65717d; }